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4270results about "Winding mechanisms" patented technology

Crossbow with de-cocking crank mechanism having sprockets

A crossbow with a de-cocking crank mechanism having sprockets preferably includes a cranking mechanism, which utilizes a clutch sprocket and clutch assembly axial to a drive gear, and a one-way bearing axial to a bearing sprocket to cock a crossbow. The clutch assembly includes a clutch sprocket, a flywheel surface, a friction disc, and a pressure plate. The use of a one-way bearing may control the rotation of the drive unit used to wind (take-up) an elongated connecting device. Functional properties of a crank mechanism for the winding and unwinding of the elongated connecting device such as a rope, chord or the like device for pulling a secondary object from a first position to a second position are well known in the art.
Owner:BARNETT OUTDOORS LLC

Electric capstan with multiple safety protection

The invention discloses an electric capstan with multiple safety protections.The electric capstan comprises a capstan assembly, the capstan assembly comprises a cable body, two first protection assemblies are arranged at the bottom of the capstan assembly, and a second protection assembly is arranged between the outer surfaces of the two first protection assemblies; and two first protection assemblies. According to the electric capstan with the multiple safety protections, when a laser scanner detects that a certain position of the cable body is damaged, the upper portion of the damaged position is clamped and fixed through the four clamping blocks located on the upper portion, and then the four clamping blocks located on the lower portion are moved to the position below the damaged position to clamp and fix the cable body; multiple protection of the cable body in the electric capstan is achieved, and the problem that in the prior art, when a heavy object is lifted by a cable in the electric capstan, a certain section of the cable is damaged, the cable is broken, and the heavy object falls off is solved.
Owner:NINGBO ELEVATOR WINCH MFG

Automatic safety rope arrangement mechanism of lifting equipment

The invention relates to the technical field of traction, in particular to an automatic safety rope arrangement mechanism of lifting equipment, which comprises a track base, a rope winding module, a driving module, a protective shell, a vertical frame, a detection cylinder and a clamping module, the top end of the track base is fixedly connected with a connecting plate, and the top end of the connecting plate is fixedly connected with a first vertical frame and a second vertical frame. Through a detection mode of combining the dynamic visual detection mechanism and the sinus element sensor, the rope abrasion detection capability of the rope arrangement mechanism in a working state is improved, and the dynamic visual detection mechanism is suitable for various ropes such as mooring ropes and steel belts; the sinus element sensor further improves the detection precision of ropes such as steel wires and steel cables, it is ensured that the ropes can be detected in real time, and the applicability of the rope arranging mechanism is improved.
Owner:HANGZHOU YAOYI STAGE EQUIP CO LTD

Automatic lifting device for jacket purse net

The automatic lifting device comprises a net opening pull rope and a net bottom pull rope and further comprises a walking platform, the walking platform is provided with a rope winding device, the rope winding device is provided with a first rope hinging barrel, a rope passing wheel and a second rope hinging barrel, and the first rope hinging barrel and the second rope hinging barrel are rotationally installed and arranged. The net opening pull rope is wound on the first rope hinging barrel, the rope passing wheel is installed on the guide pipe frame and located below the surrounding net, the net bottom pull rope is wound on the second rope hinging barrel, and rotation driving devices which drive the first rope hinging barrel and the second rope hinging barrel to rotate synchronously and are opposite in rotating direction are installed on the walking platform. Compared with the prior art, the lifting and descending operation of the purse seine is very simple, the structure is simple, the purse seine culture space cannot be influenced in the lifting and descending processes of the purse seine, and the living environment of cultured organisms cannot be influenced by the lifting and descending of the purse seine.
Owner:CHINA THREE GORGES CORP FUJIAN ENERGY INVESTMENT CO LTD +2

System for lowering and recovering hydraulic pipe of underwater blowout preventer

The invention discloses a system for lowering and recovering a hydraulic pipe of an underwater blowout preventer, which comprises a winch drum, a driving assembly and a bearing seat are respectively arranged on shafts at two ends of the winch drum, the driving assembly is used for driving the winch drum to rotate, and the bearing seat is used for supporting the winch drum; a replaceable chain wheel and a hydraulic slip ring are sequentially mounted on the projecting shaft on the other side of the bearing seat, and the replaceable chain wheel is connected with a cable arrangement device through a chain; a hydraulic pipe of the underwater blowout preventer is led into the winch roller through the hydraulic sliding ring, then led to the cable arrangement device through the winch roller and finally led to the underwater blowout preventer through the cable arrangement device, and the cable arrangement device is used for enabling the hydraulic pipe to be arranged in order along the winch roller. The driving assembly is connected with a pneumatic control system which is used for controlling the driving assembly to drive the winch drum. According to the system, hydraulic pipes with different diameters can be automatically collected and released, the heat dissipation effect is good in the collecting and releasing process, and serious heating of the hydraulic pipes cannot be caused.
Owner:CNPC NATIONAL OIL & GAS DRILLING EQUIPMENT ENGINEERING & TECHNOLOGY RESEARCH CENTER CO LTD +2

Control hydraulic system of winch

The utility model provides a control hydraulic system of a winch, which comprises a first cartridge valve and a second cartridge valve, an A port of the first cartridge valve is connected with a first oil return port of an oil tank, a B port of the first cartridge valve is connected with a second port of a motor, an A port of the second cartridge valve is connected with a second oil return port of the oil tank, and a B end of the second cartridge valve is connected with a second port of the motor; a first port of the motor is connected with a first oil outlet and a second oil outlet of the oil tank, the first oil outlet is further connected with the control end of the second cartridge valve, and the second oil outlet is further connected with the control end of the first cartridge valve. A first oil outlet of the oil tank is connected with the control end of the second cartridge valve, and a second oil outlet is connected with the control end of the first cartridge valve; the first oil return opening is further connected with the control end of the second cartridge valve, and the second oil return opening is further connected with the control end of the first cartridge valve. The oil way is simple in structure, and the speed of the motor can be adjusted only through a simple control valve.
Owner:SOUTH CHINA MARINE MACHINERY

A winch hydraulic control system and control method thereof

A winch hydraulic control system includes a hydraulic oil tank, a hydraulic pump, and an electric motor. The hydraulic pump's oil inlet is connected to the hydraulic oil tank, the electric motor is connected to the hydraulic pump, and the hydraulic pump's oil outlet is connected to both port P of the main reversing valve assembly and port P of the control valve assembly. Ports A and B of the main reversing valve assembly are connected to port A of the first shuttle valve, port A of the balancing valve assembly, and port B of the control valve assembly, respectively. Port X is connected to port B of the second solenoid reversing valve. Ports B and C of the first shuttle valve are connected to port B of the balancing valve assembly and port B of the second shuttle valve, respectively. A third pressure reducing valve is connected in parallel with the second solenoid valve. Port P of the second solenoid reversing valve is connected to port X of the control valve assembly, port A of the second shuttle valve, and port SP of the balancing valve assembly. Port C of the second shuttle valve is connected to the rod chamber of the brake. The brake is connected to the hydraulic motor, and the oil outlet of the control valve assembly is connected to the oil inlet of the balancing valve assembly. This design can maintain constant wire rope tension and stable operation.
Owner:WUHAN MARINE MACHINERY PLANT

Self-climbing module of specialized robot

The invention discloses a self-climbing module of a specialized robot. The self-climbing module comprises an irradiation-resistant shell, an adsorption device and a rope climbing device, a propeller device is mounted on the outer side wall of the radiation-resistant shell; the adsorption device comprises a gas control system and a suction cup assembly, the suction cup assembly is installed on the outer side wall, away from the propeller device, of the irradiation-resistant shell, the gas control system is installed in the irradiation-resistant shell, and the gas control system communicates with the suction cup assembly; the rope climbing device comprises a driving assembly, a positioning guide wheel set and a rope coiling winch. The driving assembly is installed in the irradiation-resistant shell, the rope coiling winch is installed at the output end of the driving assembly, and the positioning guide wheel set is rotationally connected into the irradiation-resistant shell. Wherein a traction rope is wound on the rope coiling winch and the positioning guide wheel group. The robot can realize high-precision climbing, positioning and hovering capabilities, can be stably adsorbed on the surface of a wall body in a high-radiation and high-risk environment, and provides efficient and reliable technical support for wall body repairing operation in a nuclear environment.
Owner:BEIJING UNIV OF TECH

Distributed roof photovoltaic panel winding and conveying device

The invention relates to the technical field of photovoltaic construction, in particular to a distributed roof photovoltaic panel winch conveying device which comprises a climbing frame, a limiting mechanism and a traction mechanism. The limiting mechanism comprises a climbing frame plate, a lower supporting plate, an upper limiting plate assembly and two sets of guide sliding blocks. The two sets of guide sliding blocks are fixedly connected to the climbing frame plate and slidably connected to the climbing frame in a sleeving mode. A clamping area is formed between the supporting plate and the upper limiting assembly. The lower supporting plate is fixedly connected to the climbing frame; the upper limiting assembly comprises an upper limiting plate and a driving piece; the upper limiting plate is in sliding connection with the climbing frame plate; the driving piece is mounted on the climbing frame plate; the traction mechanism is mounted on the climbing frame; through the adjustable upper limiting plate, the distance between the upper limiting plate and the lower supporting plate can be adjusted conveniently, photovoltaic panels of different heights can be limited and clamped conveniently, limiting of the photovoltaic panels in the lifting process is achieved, collision of the photovoltaic panels in the lifting process is avoided, and the mounting effect of the photovoltaic panels is guaranteed.
Owner:THE FOURTH ENG CORP OF NORTHWEST POWER CONSTR

Manual overload protection system

The utility model provides a manual overload protection system which comprises an oil tank, a pilot overflow valve, a first switch valve, a motor and a first control valve group, a hydraulic pump is arranged on the oil tank and connected with a first port of the motor through an oil inlet pipeline, and a second port of the motor is connected with the oil tank through an oil return pipeline. A pilot-operated overflow valve is arranged between the oil inlet pipeline and the oil return pipeline, the oil inlet end of the pilot-operated overflow valve is connected with the oil inlet pipeline, and the oil outlet end of the pilot-operated overflow valve is connected with the oil return pipeline; the first control valve group comprises a first control switch valve, a first control reversing valve and a first control overflow valve; by means of the structure, under the emergency condition, the adjusting pressure of the overflow valve can be adjusted and relieved, and therefore the winch is controlled to quickly loosen the steel wire rope to achieve emergency rope abandoning.
Owner:SOUTH CHINA MARINE MACHINERY

Unloading hydraulic system

The utility model provides an unloading hydraulic system which comprises a hydraulic pump station and a winch control system, the hydraulic pump station supplies oil to the winch control system, the winch control system drives a motor to rotate, and the winch control system comprises a first middle-position unloading valve and a first operating valve. An oil outlet of the hydraulic pump station is connected with the P end of the first operating valve through a first oil outlet pipeline, the T end of the first operating valve is connected with an oil return opening of the hydraulic pump station through a first oil return pipeline, the A end of the first operating valve is connected with a first port of the motor, and the B end of the first operating valve is connected with a second port of the motor. A first middle-position unloading valve is arranged between the first oil inlet pipeline and the first oil return pipeline; by means of the structure, when the winch is standby, oil supplied by the hydraulic pump station can be unloaded and flow back to the oil tank, and therefore it is guaranteed that an oil way of the hydraulic system can circulate at low pressure, and energy consumption of the hydraulic system is small.
Owner:SOUTH CHINA MARINE MACHINERY

Steel wire rope winding device

The invention provides a steel wire rope winding device, which belongs to the technical field of winch winding equipment and comprises an operating frame, the operating frame is connected with a guide wheel, an electric cabinet and a supporting flange plate, the supporting flange plate is connected with a rotary supporting plate and a variable-frequency speed reducer, and the upper end of the supporting flange plate is provided with a driven fluted disc, a rotary disc and a winding frame. The variable-frequency speed reducer is connected with a driving fluted disc, and the guide assembly comprises a locking mechanism and a protection mechanism; the steel wire rope winding device has the beneficial effects that the winding position of a steel wire rope can be changed through the motor, the lead screw and the guide frame, uniform arrangement is achieved, the winding quality is guaranteed, the torsion condition can be reduced through the clamping and guiding effects of the guide wheel, meanwhile, protective liquid can be smeared on the surface of the steel wire rope through the liquid suction column to reduce friction loss, and when the steel wire rope is clamped, the steel wire rope is prevented from falling off. And winding can be automatically stopped, the steel wire rope can be locked, an operator can be reminded in time, and therefore equipment damage or safety accidents are reduced.
Owner:JUNWEI STEEL ROPE (XUZHOU) CO LTD

Electrically-driven winch energy recovery control method, system, equipment and medium

The invention discloses an electric drive winch energy recovery control method, system and device and a medium, and belongs to the technical field of battery management control technologies. The electric drive winch energy recovery control method comprises the steps that the maximum pulse recharging power and the current charge state of a power battery at the current moment are determined; if the winch lowering instruction is received, a winch motor is controlled to conduct lowering according to the speed corresponding to the winch lowering instruction; the current gravitational potential energy feedback power generated in the descending process of the winch motor is detected, the average value of the current gravitational potential energy feedback power in the preset period is calculated, and the average feedback power is obtained; and determining a recharging strategy according to the maximum pulse recharging power, the current charge state and the average feedback power, and adjusting the recharging power of the target device to the power battery according to the recharging strategy. According to the invention, the safety of the recharging process of the power battery of the extended-range electric engineering machinery can be improved.
Owner:SUNWARD INTELLIGENT EQUIP CO LTD

Compact low-clearance anti-swing crane and anti-swing method

The invention belongs to the technical field of cranes, and particularly relates to a compact low-clearance anti-swing crane and an anti-swing method. The device comprises a door frame; a hoist frame; a reel; a transverse driving motor; the hoisting mechanism is in transmission connection with the reel through a steel wire rope; the two groups of upper lifting pulley blocks are mounted on the hoisting frame and are arranged in parallel along the axis direction of the winding drum; the two lower lifting pulley blocks are installed on the lifting mechanism and arranged in parallel in the axis direction of the winding drum. The rotating center line of the upper lifting pulley block and the rotating center of the roller are located on the same plane. And the rotating center line of the lower lifting pulley block is lower than that of the lifting mechanism. The driving motor is transversely arranged, power is transmitted to the winding drum through the gearbox, meanwhile, the static size in the vertical direction is further reduced through the arrangement of the upper and lower pulley blocks with the low gravity center and the design of the lifting hook assembly with the high gravity center, and therefore under the given workshop clearance height, the working efficiency is improved. And the vast majority of vertical space is released to an effective cargo lifting stroke.
Owner:REDWOOD HEAVY IND MASCH (SHANGHAI) CO LTD

Multi-winch connecting oil way

A multi-winch connecting oil way comprises a variable pump station, an oil tank, a first signal amplifier and more than three executive components, feedback oil ways are further connected among the executive components and comprise an LS feedback oil way, an LX feedback oil way and an LY feedback oil way, the LS feedback oil way of the head executive component is connected with the control end of the first signal amplifier, and the LX feedback oil way of the head executive component is connected with the control end of the second signal amplifier. The LS feedback oil way and the LX feedback oil way of every two adjacent execution elements are connected, the LS feedback oil way and the LX feedback oil way of each independent execution element are connected in the corresponding execution element through a valve, and the LY feedback oil ways of the head execution element, the middle execution element and the tail execution element are connected together in parallel. The control signal feedback oil paths LY among the plurality of executive components are connected in parallel, so that the pressure differences among the executive components are consistent, and a certain executive component can be accurately controlled independently.
Owner:SOUTH CHINA MARINE MACHINERY

Hoisting assembly of roof moving winch

A roof moving winch hoisting assembly comprises a winch body, a composite pipe, a winch mounting frame, a moving support, a suspension arm mechanism and a counterweight assembly. The winch body is mounted on the winch mounting frame; one end of the composite pipe is wound on a winding drum of the winch body, and the other end of the composite pipe is forwards unwound from the winding drum; the winch mounting frame is rotationally mounted on the movable bracket; a plurality of universal wheels are arranged at the bottom of the movable support, and a plurality of supporting leg mechanisms are further arranged on the movable support. The suspension arm mechanism is mounted on the front side of the winch mounting frame; the counterweight assembly is installed on the rear side of the winch installation frame. The lifting device can get rid of the influence of a roof structure on lifting work, prevents the whole device from overturning or rollover during lifting, adapts to the conditions of uneven floor protrusions and the like, prevents a cable, a water pipe and a lifting rope from being intertwined when the wall cleaning robot is lifted, and is convenient and rapid in lifting direction adjustment.
Owner:NINGBO KELINING TECHNOLOGY CO LTD

Lifting device for construction engineering

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.
Owner:QINGDAO JIANSHENG STEEL STRUCTURE CONSTR ENG CO LTD

Electric capstan capable of improving release speed of traction element

The invention provides an electric capstan for improving the release speed of a traction element. The electric capstan comprises an actuator (5); the transmission and braking device (4) is in transmission connection with the actuator (5); one end of the transmission shaft (3) is connected with the transmission and braking device (4); the speed change assembly (1) comprises a power input element and a power output element, and the other end of the transmission shaft (3) interacts with the power input element; the drum (2) is connected with the power output element of the speed change assembly (1), the traction element is wound on the drum (2), and the electric capstan is configured in the mode that the other end of the transmission shaft (3) is combined with the power input element when the traction element is tightened, and the other end of the transmission shaft (3) is separated from the power input element when the traction element is released in an idle load mode. According to the electric capstan, different working conditions of no-load rope releasing and load working can be automatically switched, manual intervention is not needed, and the working intensity is effectively reduced.
Owner:ZHEJIANG HONGBIN IND & TRADE CO LTD

Quick disassembly and assembly type bottom foot of scientific investigation winch

The utility model relates to a scientific investigation winch quick disassembly and assembly type bottom foot which comprises a frame welding base, a deck welding installation plate, an installation pin, a fastening screw and a cushion block, the frame welding base is welded with a scientific investigation winch structure frame, and the deck welding installation plate is connected with the frame welding base through the installation pin. And the deck welding mounting plate, the mounting pins and the scientific investigation winch structure frame are connected into a whole through fastening screws. The rapid disassembly and assembly type bottom foot for the scientific investigation winch is applied to connection of the scientific investigation winch and a deck, on the premise that the structural strength is guaranteed, the rapid falling and installation functions are achieved, stable installation of the scientific investigation winch is guaranteed, and the rapid disassembly and assembly type bottom foot is suitable for deck faces with different flatness degrees.
Owner:THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP

Lifting system and lifting method of lateral hidden type clothes airing machine

The invention discloses a lifting system and a lifting method of a lateral hidden type clothes airing machine. The lifting system comprises a main machine shell, two clothes airing rods and two sets of lifting units, and each set of lifting unit is used for lifting one clothes airing rod; the two side walls in the width direction of the main machine shell are provided with airing rod positions used for containing the airing rods. Each lifting unit comprises a power winding module, two steel wire ropes and two pairs of overturning assemblies hinged to the airing rod positions. The steel wire ropes are led out of the power winding module, oppositely extend to the two ends of the main machine shell, laterally enter the airing rod positions, sequentially penetrate through the overturning assemblies and then are connected with the airing rods; when the clothesline pole ascends to a rated position, the clothesline pole is combined with the turnover assembly and is turned into the clothesline pole position along with the turnover assembly, the steel wire rope achieves outward position movement and angle switching through the turnover assembly, unfolding and hiding of the clothesline pole are facilitated, excessive abrasion of the steel wire rope at the turning position is avoided, and the clothes airing pole is safe and reliable. And the continuity and the stability of equipment operation are also ensured.
Owner:ZHEJIANG HOOEASY SMART TECH

Metallurgical electric hoist overspeed protection device

The invention discloses an overspeed protection device for a metallurgical electric hoist, and relates to the technical field of cranes. The overspeed protection device for the metallurgical electric hoist comprises the electric hoist, a walking device is fixedly connected to the top of the electric hoist, a connecting shaft is fixedly connected to the right side of a reel of the electric hoist, an overspeed detection mechanism is fixedly connected to the right side of the reel of the electric hoist, and a speed reduction mechanism is fixedly connected to the outer wall of the connecting shaft. The outer wall of the connecting shaft is fixedly connected with a brake mechanism on the right side of the speed reduction mechanism. According to the overspeed protection device for the metallurgical electric hoist, a locking telescopic rod extends and is clamped into a corresponding groove in a locking disc, so that a connecting wheel rolls up a pulling wire, a pulling-up block is lifted upwards from the bottom of a guide pipe, part of energy is converted into potential energy of the pulling-up block, and the speed of a lifting hook of the electric hoist is slowed down; and the disc brake disc is prevented from losing the braking capacity due to overheating.
Owner:NINGBO SPECIAL EQUIP INSPECTION & RES INST +1

Brake valve block hydraulic system

The utility model provides a hydraulic system of a brake valve block, which is applied to winch brake of a crane and comprises a winch, a brake device connected with the winch, an oil way communication device, a two-way valve, an oil inlet and an oil tank, and the brake device is respectively connected with one end of the oil way communication device and one end of the two-way valve through one-way valves. According to the hydraulic control system of the winch, the electromagnetic valves which are connected in series are arranged in the hydraulic oil circuit, and the safety of the oil circuit for controlling the brake of the winch is improved. The hydraulic control system of the winch has the advantages that the electromagnetic valves which are connected in series are arranged in the hydraulic oil circuit, and the safety of the oil circuit for controlling the brake of the winch is improved.
Owner:SOUTH CHINA MARINE MACHINERY

Unloading system

The utility model provides an unloading system which comprises a hydraulic pump station and a winch control system, the hydraulic pump station supplies oil to the winch control system, the winch control system drives a motor and a second motor to rotate, the winch control system comprises a first oil way and a second oil way, the first oil way drives the motor to rotate, and the second oil way drives the second motor to rotate. The second oil way drives the second motor to rotate; the first oil way comprises a first middle-position unloading valve and a first operating valve, the second oil way comprises a second middle-position unloading valve and a second operating valve, and a first unloading shuttle valve is arranged between the first oil way and the second oil way; according to the structure, when one winch needs to be started, unloading oil ways of the two winches are closed, and full-load operation of the winches can be conducted.
Owner:SOUTH CHINA MARINE MACHINERY

Cam limiting external fixing spiral clutch device for lifting opening and closing of grab ship unloader

The invention provides a cam limiting external fixing spiral clutch device for lifting opening and closing of a grab ship unloader, and relates to the technical field of bulk cargo wharf grab ship unloaders, which comprises a pinion in clearance fit with a planetary reducer shaft, a bull gear connected with a cam limiting switch through a bolt, and an adjusting bolt in threaded fit with a shaft hole at the end part of the pinion. A shaft shoulder unthreaded hole is formed in the center of the planetary reducer shaft to limit axial movement of the adjusting bolt. The small gear is driven to slide in the axial direction by twisting the adjusting bolt so as to be meshed with or separated from the large gear, the adjusting bolt is reversely rotated before rope replacement to enable the gear to be separated, the large gear is prevented from being driven by rotation of the small gear, and therefore the cam limiting switch shaft is fixed; after the rope is replaced, the gears are meshed through reverse rotation again, and connection is recovered. The device is simple in structure, realizes fixation and reconnection of the limit switch shaft through mechanical transmission, does not need manual disassembly, assembly and debugging, saves manpower and time cost, is low in failure rate, and is suitable for the scene of replacing the steel wire rope of the four-drum grab ship unloader.
Owner:DALIAN HUARUI HEAVY IND GRP CO LTD

A crane double winch synchronous control method

The present application relates to the technical field of crane control, and discloses a crane double-hoist synchronous control method, comprising the following steps: collecting working condition data of the crane double-hoist in real time, calculating the synchronous speed error and displacement error of the crane double-hoist, inputting the working condition data of the crane double-hoist into a pre-trained decision tree working condition classification model, outputting a working condition type, calling a corresponding synchronous control model based on an LSTM neural network model trained for multiple working conditions according to the working condition type; based on the monitored synchronous speed error and synchronous displacement error, if the synchronous speed error and the synchronous displacement error are less than the expected control precision, further fine-tuning the control parameters, and re-examining the accuracy of the decision tree working condition classification model and the LSTM neural network synchronous control model, and optimizing and improving the model.
Owner:EUROCRANE (CHINA) CO LTD

Winch Assembly of a Load Handling Device

A robotic load handling device for lifting and moving storage container stacked in stacks in a grid framework structure including a track system. A first timing pulley is disposed between a drive pulley and a second timing pulley of a lifting drive assembly which includes a belt tensioner wheel arranged between the first timing pulley and the second timing pulley, the belt tensioning wheel being arranged to urge the single timing belt against the first timing pulley such that the tension in a first section of the single timing belt between the first timing pulley and the drive pulley, moving in a direction towards the drive pulley, in use, is greater than the tension in a second section of the single timing belt between the first timing pulley and the second timing pulley when the single motor rotates in the first rotational direction.
Owner:OCADO INNOVATION LTD

Winding drum rope arranging device

The invention discloses a winding drum rope arranging device which comprises a winding drum base, a winding drum, a gear transmission mechanism, a lead screw, a swing roller assembly, a convex shaft and a reversing assembly. The reversing assembly comprises a power assembly and a reversing clutch assembly. The gear transmission mechanism and the lead screw convert rotary motion of the winding drum into linear motion of the swing roller assembly, so that the winding drum moves along with the rope coiling position. When the winding drum is full of one layer, the swing roller assembly reaches the limit deviation position to drive the protruding shaft to rotate, the power assembly amplifies the rotation angle and conducts one-way transmission, and the reversing clutch assembly changes the rotation direction of the lead screw to achieve reversing. A pure mechanical structure is adopted, a sensor and an electric control system are not needed, reliability is high, and cost is low; the swing roller assembly reduces abrasion of the steel wire rope and limits the support to guarantee accurate movement; rope arrangement synchronization is achieved through the transmission ratio design, the reversing assembly has the precise reversing function and the torque protection function, the rope disorder and rope sinking phenomena can be effectively avoided, and the service life of the steel wire rope is prolonged.
Owner:XUZHOU HEAVY MASCH CO LTD

Steel structure riding track mounting structure

The utility model discloses a steel structure riding track installation structure, and relates to the technical field of constructional engineering, the riding track installation structure comprises a first riding track, a first suspender, an operation platform and a hoisting device, the two ends of the first riding track respectively extend towards opposite wall bodies of a roof frame, and the two end parts of the first riding track are respectively spaced from the inner side surfaces of the wall bodies; the first suspender is used for being matched with the hoisting device to hoist the first riding track to a preset position and then connecting the first riding track with the roof, the operation platform is arranged in the circumferential direction of a wall body of the roof frame, and the hoisting device comprises two first winches which are arranged on the ground in the roof frame; the two first winches are arranged close to the two ends of the first riding track respectively, and a steel wire rope of each first winch is connected with the first riding track after bypassing the first suspender; according to the steel structure riding track installation structure, the first riding track can be integrally lifted, the aloft work amount is reduced, and therefore the installation efficiency of the steel structure riding track is improved, and the construction risk is reduced.
Owner:中交四航局第六工程有限公司

Metal wire rope tension adjusting device

The invention provides a metal wire rope tension adjusting device which comprises a support, an adjusting circular truncated cone, an adjusting mechanism, a top restraining mechanism, two sets of side restraining mechanisms and a guiding mechanism, the adjusting circular truncated cone is rotationally arranged on the support, and the adjusting circular truncated cone is sleeved with a metal wire rope; the adjusting mechanism is arranged on the support and connected with the adjusting circular truncated cone, and the adjusting mechanism comprises a driving seat, a pressure sensor and an adjusting driving structure; the top restraining mechanism is arranged at the top of the adjusting circular truncated cone and is clamped on the metal wire rope; the two side restraining mechanisms are arranged on the two sides of the adjusting circular truncated cone correspondingly and connected to the metal wire rope in a clamped mode correspondingly. The guiding mechanism is arranged below the adjusting circular truncated cone and connected with the support, and the metal wire rope is inserted into the guiding mechanism. According to the embodiment of the invention, the device can be used in a production environment and a lifting actual use environment at the same time, response adjustment can be quickly made, the adjustment directly acts on the driving assembly, the contact surface with the driving assembly is ensured, and the use flexibility and stability are ensured.
Owner:JIANGSU BRINDIN INTELLIGENT MASCH CO LTD

Intelligent coal bunker detection system based on three-dimensional laser

The invention discloses a three-dimensional laser-based intelligent bunker detecting system for a coal bunker, which comprises a motion control device, a bunker detecting robot, a remote control system and a bunker detecting data analysis system, and is characterized in that the motion control device comprises a lifting device erected at an inlet of the coal bunker, and the bunker detecting robot is driven by the lifting device to go in and out of the coal bunker; the bin detection robot carries out three-dimensional laser scanning on the form of a coal bin through a built-in laser detection module, collects parameter data of the coal bin through a built-in multi-dimensional sensor module, and sends the scanned three-dimensional data and the parameter data in the coal bin to the remote control system through a communication module. The remote control system realizes remote control of the lifting device and acquisition of data acquired by the bunker exploration robot, and the bunker exploration data analysis system constructs a three-dimensional structure and size data of a coal bunker by utilizing a three-dimensional reconstruction technology and a coal bunker size extraction algorithm. According to the invention, the high-precision detection of the sticking substances on the wall of the underground coal bunker and the deformation of the bunker body is realized, and a basis is provided for the repair decision of the coal bunker.
Owner:JIANGSU WHIST TECH CO LTD