6554results about "Winding mechanisms" patented technology

A power transmission line crimped pipe detection system, and a method. The detection system comprises: a beam-type platform (25) and a detection robot (30). The beam-type platform (25) is connected to the detection robot (30) by means of a rope body and is arranged on a bundled conductor (23) to control the ascent and descent of the detection robot (30). The detection robot (30) comprises: a robot body (65), a rotating mechanism connected to the robot body (65), and a detection mechanism, the rotating mechanism being connected to the detection mechanism. The detection robot (30) is configured to change the relative position between the detection mechanism and the robot body (65) by means of the rotating mechanism, so as to perform balance control during processes of climbing up and down a line and during detection processes.

Load stability systems and methods for stabilizing swinging motions of suspended loads. The load stability systems include a fully automated, self-powered device that employs thrust to counteract and control lateral and rotational motion of an external load. The device is a temporary installment on the load, cable, or boom, and is agnostic to the platform from which it is suspended.

An unmanned aerial vehicle includes: a mooring member capable of mooring an article; a linear member connected to the mooring member; a reel around which the linear member is wound. The unmanned aerial vehicle acquires information relating to wind strength around the article when the article is to be lowered from the unmanned aerial vehicle by controlling the reel; and controls the reel so as to provide a feeding amount of the linear member in dependence on the wind strength, on the basis of the acquired information.

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.

Disclosed is a multifunctional stable winch hook guide rail system. The system includes: a storage buckle; a guiding groove, where the guiding groove is formed on a front face of the storage buckle, a movable opening is formed on a back face of an inner wall of the guiding groove, and a winch hook is arranged inside the guiding groove; a hanging opening, where the hanging opening is located at a top of the winch hook at a position close to one end thereof, a side of an inner wall of the hanging opening is fixedly connected to a connector, an outer surface of the connector, through an insertion pin, is rotatably connected to a movable buckle. The winch hook can be easily tightened and securely locked in the guiding groove. The winch hook has a uniform and clean appearance and is used for rescue and heavy-duty towing tasks.

The utility model provides a port container crane which comprises a fixed frame, a movable frame is arranged at the front end of the fixed frame, pulleys are mounted at the bottom of the movable frame, two groups of rolling seats are mounted at the top of the fixed frame, rolling shafts in the rolling seats are in transmission connection through shaft rods, and sliding blocks are driven by bidirectional electric push rods to slide along a transverse frame. The transverse distance between the hooks and the lifting rope is adjusted, the first inserting rod and the second inserting rod are moved along the interior of the sliding frame, and then the distance between the side faces of the hooks is adjusted by fixing the extending lengths of the first inserting rod and the second inserting rod through bolts. The container is lifted and hoisted through the winding seat, then the rotating frame rotates from the vertical state to the horizontal state, the movable frame moves outwards, the hoisting assembly and the container are driven to move outwards, the container is conveniently conveyed to a transfer vehicle, and then the hoisting efficiency of the container is improved.

The invention discloses a flexible cable hanging and picking device for 10 kV bypass bridging and a use method thereof, and belongs to the technical field of bypass operation, the flexible cable hanging and picking device for 10 kV bypass bridging comprises a bypass cable fixing hanging plate device, a bypass cable traction locking device and a bypass hanging and picking tool quick-change device; the bypass cable fixing hanging plate device is used for fixing a bypass cable head, and the bypass cable traction locking device is used for pulling a whole formed by the bypass cable fixing hanging plate device and the bypass cable head and is in transmission fit with the bypass cable fixing hanging plate device. According to the invention, traction and locking of the flexible cable for 10kV bypass bridging can be realized in a full-automatic manner, and the main cable base instead of the bypass cable head can still bear most weight after traction in place, so that the operation efficiency is improved, in addition, manual traction of the bypass cable is not needed, and the labor intensity of workers is reduced. The physical exhaustion of the operating personnel is greatly reduced; and the safety of the operating personnel is ensured.

The invention discloses a blast furnace top feeding winch control system which comprises four multi-transmission high-performance motion control frequency converters, and wire inlet structures of the transmission high-performance motion control frequency converters specifically comprise a system wire inlet structure A, a system wire inlet structure B and a system wire inlet structure C, the A system wire inlet structure comprises an A system wire inlet cabinet, an A system first rectifier cabinet, an A system second rectifier cabinet, an A system first inverter cabinet, an A system second inverter cabinet and an A system resistor cabinet; and B, a system wire inlet structure. A winch control system is optimized, a PLC alternating-current variable-frequency speed regulation mode is adopted, the speed dynamic response is high, the overload capacity is large, operation is safe and reliable, and the PLC self-control technology, the position encoder measurement technology, the large-scale variable-frequency speed regulation dragging technology and the intelligent master controller are organically combined and applied; and the faults of galloping, sliding, derailing and the like of the skip car in operation are reduced through double closed-loop control and multi-section speed control of a current loop and a speed loop of the motor.

The invention provides an automatic speed changing assembly which comprises a planetary gear speed reducing mechanism, a first-stage speed changing mechanism and a second-stage speed changing mechanism. An inner rotation driving member; the outer element is movably connected with the inner rotation driving part, so that the outer element can be driven to rotate under the driving of the inner rotation driving part, and the outer element is allowed to axially move between a first position and a second position relative to the inner rotation driving part; the driving disc is movably connected with the outer element, so that the driving disc can be driven to rotate under the driving of the outer element, and the driving disc is configured to be capable of changing between a first state in which the driving disc is combined with the power output element and a second state in which the driving disc is separated from the power output element; the first stage sun gear is configured to disengage from the outer element in a first position of the outer element and to engage with the outer element in a second position of the outer element. According to the automatic speed changing assembly and the electric capstan with the automatic speed changing assembly, the automatic speed changing function can be achieved, and reliability is good.

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.

The utility model relates to the technical field of marine scientific investigation equipment, in particular to a winch emergency lowering and pressure compensation system which comprises a reversing valve, a winch assembly, a brake assembly and an emergency function assembly. The brake part is controlled by a brake assembly to brake the power motor, and two cavities of the power motor are communicated with the reversing valve to form a working loop. The emergency function assembly comprises an energy accumulator, a first stop valve, a hydraulic control valve and a speed regulating valve, the first stop valve, the hydraulic control valve and the speed regulating valve are sequentially communicated, the first stop valve and the speed regulating valve are correspondingly communicated with two cavities of the power motor to form an emergency lowering loop, and the energy accumulator is communicated with one cavity of the power motor through an energy storage oil way. The energy accumulator is further communicated with the two cavities of the power motor through a compensation oil way, the working loop and the compensation oil way are each provided with a control oil way for providing a control oil source for the brake assembly, and a second stop valve is arranged on the control oil way of the compensation oil way.

The safe hoisting mechanism comprises two driving devices, the two winding drums, a speed reducing mechanism, a synchronous gear box assembly, a fault detection device and a safe braking assembly, the two driving devices are connected with one sides of the two winding drums for driving through the speed reducing mechanism, and the synchronous gear box assembly is connected with the other sides of the two winding drums correspondingly; the synchronous gear box assembly is used for synchronous rotation of the two winding drums, the fault detection device is arranged in the synchronous gear box assembly and used for detecting load torque in the synchronous gear box assembly, and the safety braking assemblies are arranged on the two winding drums respectively and used for decelerating and braking the winding drums. The whole structure is simple, it is effectively ensured that normal operation can be achieved after one side of the speed reducing mechanism breaks down, the safety and timeliness of fault handling when dangerous goods are hoisted are greatly improved, the fault occurrence position can be detected in time, and the fault overhauling efficiency is effectively improved.

A compact anti-falling high-stability dual-steel-wire lamp lifter. By providing a wire arrangement assembly, steel wire ropes (4) can be wound in a dual-groove steel wire reel (3) in an orderly manner in the winding process of the steel wire ropes (4), avoiding the occurrence of disorderly winding of the steel wire ropes (4). A lamp holder (2) can be locked by means of a mechanical self-locking and self-releasing hook mechanism, so that accidental falling of the lamp holder (2) can be avoided, greatly improving the safety of the lamp during use; and when the lamp holder (2) needs to be lowered, the mechanical self-locking and self-releasing hook mechanism can automatically unlock the lamp holder (2) mechanically, ensuring normal ascent and descent of the lamp holder (2). By providing a first transmission mechanism and a second transmission mechanism, the dual-groove steel wire reel (3), the wire arrangement assembly and the mechanical self-locking and self-releasing hook mechanism can be simultaneously driven by one motor (5) to operate, reducing manufacturing costs, and realizing high energy efficiency; moreover, reasonable space utilization can be achieved, allowing for a more compact structure.

The invention discloses a mechanical anti-top-rushing hoisting mechanism, which relates to the technical field of hoisting equipment and comprises a winding drum, a speed reducing motor, a ball screw, a driving plate, a driving gear, a pawl and a connecting rod system, the gear motor drives the winding drum through friction transmission, and the ball screw is in linkage with the gear motor through belt transmission. When the lifting hook is close to the top punching position, the sliding block of the ball screw pushes the drive plate to be meshed with the driving gear, power transmission is cut off, and meanwhile the connecting rod system triggers the pawl to lock the winding drum; through friction transmission, ball screw linkage and a pawl locking mechanism, power is automatically cut off and hook slipping is prevented when the lifting hook approaches to the ejection position; the system adopts pure mechanical design, so that the risk of electronic control failure is avoided; a double-lead ball screw ensures that no top dead point exists, and clamping stagnation cannot be caused by continuous lifting input; the mechanism obviously improves the safety of hoisting equipment, and is suitable for high-altitude operation, port loading and unloading and other scenes.

The invention discloses a photovoltaic cleaning robot suspension method and a photovoltaic cleaning robot transportation system, and belongs to the technical field of photovoltaic cleaning robots. The photovoltaic cleaning robot transportation system comprises a carrying unmanned aerial vehicle and a carrying assembly. In the carrying assembly, a winch suspends a grabbing unmanned aerial vehicle through a rope, and the grabbing unmanned aerial vehicle grabs the photovoltaic cleaning robot; air outlets are formed in any one of the front, back, left and right side walls of a robot body in the photovoltaic cleaning robot; the method comprises the steps that under the condition that the lowering length of a rope exceeds the preset length, the wind direction of current environment wind acting on the photovoltaic cleaning robot is obtained; and according to the wind direction of the current environment wind, a fan is controlled to blow air to the outside of the machine body through at least part of air outlets in at least one side wall, so that the direction of a first acting force acting on the photovoltaic cleaning robot through blowing is opposite to that of a second acting force acting on the photovoltaic cleaning robot through the current environment wind. According to the embodiment of the invention, the suspension stability of the photovoltaic cleaning robot can be improved.

The invention discloses a lightweight Chinese-style bridge crane, relates to the field of hoisting equipment, and aims to solve the problems that an existing bridge crane is simple in structure, easy to shake when hoisting an object and too high in production cost and transportation cost due to the fact that the overall equipment is too large and too heavy, the lightweight Chinese-style bridge crane comprises two groups of movable frames, a main beam and a crane carriage, the two sets of moving frames are fixedly connected to the two sides of the main beam, the hoisting trolley is slidably connected to the main beam and comprises a hoisting block and a hoisting hook, the hoisting hook is rotationally connected to the bottom of the hoisting block, a hoisting rope is connected between the upper end of the hoisting block and the hoisting trolley, hoisting block balancers are fixedly connected to the two sides of the hoisting block, and adjusting supports are arranged on the two sides of the main beam. The device has the advantages that the hoisting block is stabilized through the hoisting block balancer, shaking in the hoisting process is avoided, the whole device is stabilized through the balance rope, the balance rope is light in overall weight, convenient to store and high in flexibility, the overall weight and size of the device are reduced, and the production and transportation cost is reduced.

The utility model discloses a winch reduction motor, including a winch reduction motor, including a motor and a reduction gear housing, the reduction gear housing is fixedly installed at one end of the motor by bolts, the motor shaft rotates and extends into the reduction gear housing and is fixedly installed with a first gear, the reduction gear housing is rotatably installed with a rotating shaft, one end of the rotating shaft close to the motor is fixedly connected with a second gear, the other end of the rotating shaft is fixedly connected with a third gear, the side of the reduction gear housing away from the motor is rotatably installed with a main shaft, one end of the main shaft is fixedly installed with a fourth gear, the other end of the main shaft is fixedly connected with the rotating shaft of the capstan, a rope is wound around the capstan, the fourth gear is meshed with the third gear, the second gear is meshed with the first gear, and a ratchet is fixedly sleeved on the rotating shaft. The winch reduction motor of the utility model can effectively prevent the ratchet from reversing, thereby locking the position of the load.

The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.

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.

The utility model relates to the technical field of building construction, and discloses a material lifting mechanism for building a steel structure shed, which comprises a base, a lifting component is mounted at the top of the base, a lifting bin is fixedly connected to the top of the lifting component, a winding roller is rotatably connected to the inside of the lifting bin, a lifting rope is fixedly connected to the periphery of the winding roller, and the lifting rope is fixedly connected to the top of the lifting component. A mounting plate is fixedly connected to the outer wall of the hoisting bin, a motor is fixedly connected to the top of the mounting plate, a self-locking assembly is mounted in the middle of the mounting plate, a lubricating assembly is mounted in the middle of the hoisting bin, and an output assembly is mounted at the bottom of the mounting plate. According to the self-locking device, after the motor stops running, the self-locking assembly can rapidly trigger a locking mechanism, it is ensured that the lifting rope is firmly fixed through the friction effect of the self-locking wheel and the rubber ring and the cooperation of the clamping column and the spring, and the risk of loosening of the lifting rope or falling of materials can be effectively avoided even in unforeseen circumstances.

The invention discloses a marine winch brake device, which relates to the technical field of winches, and comprises an outer shell, a movable shell, a brake mechanism, a pinion, a bull gear, a multi-stage buffer mechanism, a locking mechanism, a clamping mechanism and a connecting shaft, the piston is pushed through the oil cylinder, power is transmitted through hydraulic oil, the brake block is driven to brake the brake disc, primary braking of the winch main shaft is achieved, and the braking mode is efficient and reliable; the wear-resistant anti-skid layers are arranged on the opposite faces of the brake blocks, friction force is effectively increased, the braking effect is improved, and the stability of the braking process is guaranteed; the tooth grooves in the outer circle face of the movable shell are matched with the movable clamping teeth, when the braking resistance is increased, the movable clamping teeth and the tooth grooves are indirectly separated for braking, and the braking performance is further optimized; the large gear is used for driving the multi-stage buffering mechanism to work, oil in the oil storage cavity is pumped into the buffering oil cavity through the hydraulic pump for buffering and energy absorption, winch damage caused by braking is avoided, and the service life of the winch is prolonged.

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.

The invention provides a crane hoisting mechanism operation state monitoring method and system, and the method can obtain the real-time working condition data and state data of a crane hoisting mechanism, integrates the collected vibration signals of the crane hoisting mechanism with the working condition data, and achieves the real-time monitoring of the operation state of the crane hoisting mechanism through professional analysis and big data analysis means. And determining the fault abnormal condition of the hoisting mechanism of the crane. The equipment state of the hoisting mechanism of the crane can be monitored in real time, the possibility of operation accidents of the hoisting mechanism of the crane is predicted according to the equipment state, and corresponding measures are taken in time, so that the production safety of the crane is improved, the operation accidents of the crane are avoided, and the working efficiency of the crane is improved.

The utility model discloses a steel wire rope pressing and looseness preventing integrated device which comprises a rotating frame assembly, a microswitch, a first rolling shaft and a second rolling shaft. Wherein the first rolling shaft is located in the middle of the rotating frame assembly and coupled with the machine shell, and the second rolling shaft is located at the other end of the rotating frame assembly. The torsion spring arranged at the first end of the rotating frame assembly ensures that when the motor operates normally, the pressure of the tightened steel wire rope on the first rolling shaft maintains the stability of the rotating frame assembly. When resistance is encountered, the loosened steel wire rope causes the torsion spring to push the rotating frame assembly to trigger the microswitch, so that the motor is stopped, and damage is prevented; therefore, safety, stability and maintenance efficiency are improved, and cost and space occupation are reduced.

The invention belongs to the field of mineral product analysis, and particularly relates to a mineral product component detection method and a detection device.The detection device comprises a supporting frame, a connecting frame is fixedly connected to one side of the supporting frame, a gear motor is fixedly connected to the top of the supporting frame, and a first winding roller is fixedly connected to the output end of the gear motor; the outer side of the first winding roller is fixedly connected with a suspension cable in a winding mode, an adjusting assembly is arranged on the side, away from the connecting frame, of the supporting frame and used for adjusting the horizontal position of the suspension cable, a detection module is arranged at the bottom of the suspension cable, and ore analyzers are arranged on the two sides of the detection module. The component analysis function of the mineral products on the mine wall can be completed only by the aid of the detection module, exploration personnel do not need to perform sinking operation, potential safety hazards are reduced, the detection module is small in structure, vertical movement and horizontal movement of the detection module are convenient to adjust, and detection efficiency is improved.

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.

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.

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.