332 results about "Overhead crane" patented technology

A multi-claw game machine includes a housing defining a game space, a plurality of action units, and a control unit signally connected to the action units and configured to control at least one of the action units. The action units are disposed in the game space and are spaced apart from each other, so that the game space is divided into a plurality of sub-areas that respectively correspond to the action units. Each action unit includes a bridge crane module disposed at a top of a respective one of the sub-areas, a claw mechanism connected to the bridge crane module, and a driving module connected to the bridge crane module. Each action unit has a specific parameter having a value different from the value of the specific parameter of at least another one of action units. A method is also provided for controlling the multi-claw game machine.

A crane game machine includes a cabinet, an operation unit, and an operation interface. The operation unit includes a bridge crane mechanism, a gripper mechanism that is movably mounted to the bridge crane mechanism, and a crane motor that is connected to the gripper mechanism. The crane motor is operable for urging the gripper mechanism to undertake a lowering journey in which the gripper mechanism is moved downwardly, and a lifting journey in which the gripper mechanism is moved upwardly. At least one of the lowering journey and the lifting journey is divided into a plurality of subsections. A moving speed of the gripper mechanism in one of the plurality of subsections is different from the moving speed of the gripper mechanism in at least another one of the plurality of subsections. The operation interface is operable for urging the bridge crane mechanism to drive movement of the gripper mechanism.

The invention relates to a bridge crane game model-free optimal control method based on event triggering, and the method comprises the steps: collecting a state vector of a bridge crane in real time, and building a nonlinear multi-player system model of the bridge crane; estimating an unknown dynamic function and an input gain matrix on line in the input identifier neural network; according to an event triggering mechanism, whether triggering is conducted or not is judged based on the error between the current state vector and the state vector of the recently-triggered sampling; if so, triggering a dynamic updating instruction; under a non-zero sum game framework, obtaining an optimal value function gradient based on an estimation result and a current state vector through a self-adaptive evaluator network, and generating an event triggering optimal control law of each player based on a sampled state vector; and the event triggering optimal control law is processed by a zero-order retainer and then is output as a physical driving signal to control the operation of the bridge crane. Compared with the prior art, the method has the advantages of high applicability, high disturbance resistance, high accuracy and the like.

The utility model relates to the technical field of crane lifting appliances, and particularly discloses an adjustable bridge crane lifting hook which comprises a connecting piece connected with a lifting steel wire rope and a hook connected to the bottom of the connecting piece, the inner cambered surface of an arc-shaped block is in sliding fit with the outer cambered surface of the hook, and a through hole is formed in the middle of the arc-shaped block; the anti-disengaging rod comprises a rod piece movably connected with the penetrating hole in a sleeved mode, a threaded column fixedly connected to one end of the rod piece in a butt joint mode and a rotating wheel fixed to the other end of the rod piece. An inner cambered surface sliding groove is formed in the position, located on the lower side of the opening, of the inner cambered surface of the hook, a ball is movably clamped in the inner cambered surface sliding groove, a threaded hole matched with the threaded column in a threaded sleeving mode is formed in the middle of the ball, a side sliding groove opposite to the inner cambered surface sliding groove is formed in the other side of the hook, and the rod piece is slidably clamped with the side sliding groove. The problem that the anti-falling effect of the lifting hook of the bridge crane is poor is well solved.

The invention discloses a crown block speed control method, device and equipment, a medium and a product. The crown block speed control method comprises the following steps: determining a point to be decelerated, a deceleration target speed and an initial deceleration starting point according to speed limit information in a path label sequence associated with a crown block transportation task; after the crown block travels to the initial deceleration starting point, according to a preset triggering condition, the initial deceleration speed of the crown block is obtained multiple times, a final deceleration distance is determined according to the initial deceleration speed, the target deceleration speed and a preset deceleration limiting value, and a final deceleration starting point is determined based on the final deceleration distance; according to the deceleration initial speed, the deceleration target speed, the final deceleration distance, the crown block transportation task type and the label type in the path label sequence, an S-shaped speed curve is generated; and when the final deceleration starting point is reached, controlling the crown block to move based on the S-shaped speed curve until the to-be-decelerated point is reached. According to the technical scheme of the embodiment of the invention, the starting point of the deceleration point is dynamically adjusted to adapt to real-time path change.

The utility model relates to the technical field of weighing and metering, and particularly discloses a gravity sensing device for a motor, which comprises a motor (10), a bearing (20) mounted on a shaft of the motor (10), and a gravity sensing device (30) mounted on the bearing (20), a lifting rope of an existing bridge crane is arranged on a motor, the motor rotates to achieve ascending and descending of the lifting rope, a gravity sensing device is installed on a bearing of the motor, rotation of the motor is not affected, and when a heavy object is lifted, the gravity of the heavy object can be transmitted to the motor through the lifting rope and then transmitted to the bearing through the motor. And finally, the gravity data is transmitted to the gravity sensing device through the bearing, the gravity data obtained by the gravity sensing device is displayed on an external display through infrared connection, and at the moment, an operator can judge whether the heavy object is overloaded or not according to the specific weight, so that the unnecessary danger caused by blind hoisting in the prior art is avoided, and meanwhile, the service life of the electric hoist is also prolonged.

The invention discloses a limited space bridge crane hoisting mechanism dismounting system and a dismounting method thereof.The system comprises a main lifting device and an auxiliary lifting device, and the main lifting device comprises a telescopic stand column, a main cross beam, a first lifting beam and a second lifting beam; the four telescopic stand columns are used for being installed on two girders of the bridge crane in a pairwise mode respectively, the tops of the two telescopic stand columns on the girders are connected with a main cross beam in a supporting mode, the two ends of a first lifting beam and the two ends of a second lifting beam are installed on the two main cross beams respectively, and a first electric hoist is installed on the first lifting beam. And a second electric hoist is mounted on the second lifting beam. The auxiliary lifting device is carried and installed manually, then the main lifting device is installed through the auxiliary lifting device, and then the main lifting device completes disassembly of an old lifting mechanism and installation and replacement of a new lifting mechanism through lifting. The dismounting and mounting system is simple and compact in structure, convenient to construct and capable of smoothly replacing the main hoisting mechanism of the bridge crane.

The utility model discloses an anti-unhooking bridge crane, which comprises an X-axis moving mechanism, Y-axis moving mechanisms, an electric hoist, a clamping underpinning assembly and an anti-unhooking hook assembly, the Y-axis moving mechanisms are both fixedly installed at two sides of the bottom of the X-axis moving mechanism, the electric hoist is fixedly installed at the center of the bottom of the X-axis moving mechanism, and the clamping underpinning assembly is fixedly installed at the center of the bottom of the X-axis moving mechanism. The clamping bottom supporting assemblies are arranged on the two sides of the electric hoist, and the anti-disengaging hook assembly is arranged at the bottom of the electric hoist. The anti-unhooking bridge crane provided by the utility model has the advantages of unhooking prevention and good fixing and underpinning effects, and solves the problems that anti-unhooking devices of part of bridge cranes are not reasonable enough in design, the connection between the anti-unhooking devices and the lifting hooks is not stable enough, or heavy objects cannot be effectively prevented from falling off from the lifting hooks in a complex working environment, and the lifting hooks cannot be firmly connected with the anti-unhooking devices. The problems that some anti-disengaging devices are prone to loosening and failure after being frequently lifted and put down, and the anti-disengaging effect cannot be continuously and reliably achieved are solved.

The utility model relates to the technical field of film winding, in particular to a PET pulling piece winding device which comprises a base, a driving mechanism, a limiting mechanism and a roller core shaft, the driving mechanism comprises a driving stand column, a driving module and a driving motor, the driving module comprises a rotating shaft, a pneumatic installation base and a driving disc, and the driving stand column is arranged on the rotating shaft. The driving disc is in transmission connection with the driving motor, a movable stand column mechanism is arranged on the side, away from the mounting stand column, of the mounting base, the limiting mechanism comprises a translation module and a supporting module, the translation module is movably arranged on the base, and a top head is arranged at the upper end of the translation module; and the supporting module comprises a mounting plate, a supporting piece and a supporting column, rolling wheels are arranged at the lower end of the supporting column, and the rolling wheels abut against the upper surface of the base. The reel replacing device is convenient to operate, during reel replacing, all assemblies work cooperatively, fixation is released and reset rapidly, a crane can be lifted away from a reel conveniently, the downtime is remarkably shortened, and the production efficiency is improved.

The invention provides a vehicle-mounted steel coil center position detection method based on a three-dimensional laser radar, and relates to the technical field of automatic control. According to the method, a three-line laser radar is used for collecting environment and calibrated point cloud data, and position calibration between the three-dimensional laser radar and a world coordinate system is completed; the laser radar obtains three-dimensional point cloud data of a to-be-detected vehicle, sends the data to the information processing server, extracts a vehicle plate corner point position through data processing modes such as plane fitting and straight-through filtering, and finally obtains the position of a vehicle plate plane in a world coordinate system and coordinate information of the center of a to-be-detected vehicle-mounted steel coil in a three-dimensional space. The method has the advantages of being simple, low in manufacturing cost, easy to maintain, high in target recognition speed and high in recognition precision, and can be applied to unmanned crown block hoisting operation on an actual site.

The invention relates to the technical field of cranes, in particular to a bridge crane capable of realizing secondary stacking, which comprises a crane cart, a crane trolley, a vertical frame and a secondary stacking mechanism, the vertical frame is fixedly connected to the side face of the crane trolley and extends in the Z-axis direction. The secondary stacking mechanism is installed on the side, away from the crane trolley, of the vertical frame and used for stacking goods to the area above the bridge frame. Wherein the secondary stacking mechanism comprises a supporting plate, a transverse frame and a clamp; through cooperation of the supporting plate, the transverse frame and the clamp in the secondary stacking mechanism, a plurality of cargoes (such as nine low-medium-level radioactive waste bags arranged in a 3 * 3 matrix) arranged in a matrix mode can be clamped at a time, the cargoes do not need to be hoisted and transferred one by one like in the prior art, the stacking efficiency is greatly improved, and then the operation period is shortened.

1. Name of the product in this design: Overhead Crane Running Assembly. 2. Purpose of this design: for suspending and moving heavy objects. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a bridge crane limiting device which comprises a sliding rail, two pulleys are connected to the bottoms of the front end and the rear end of the sliding rail in a sliding mode, the front pulley and the rear pulley are connected with a sliding frame in a rotating mode through rotating shafts, a lifting hook is installed at the lower end of the sliding frame, and the bridge crane limiting device further comprises a limiting mechanism. The limiting mechanism comprises first dovetail grooves, convex tooth clamping strips, a rack plate and a driving assembly, the first dovetail grooves are symmetrically formed in the front side and the rear side of the sliding frame in the left-right direction correspondingly, and the convex tooth clamping strips are slidably connected between the two first dovetail grooves in the front side and between the two first dovetail grooves in the rear side correspondingly. Through mutual cooperation of all the elements, accurate stopping and limiting operation can be conducted on movement of the bridge crane, the situation that the bridge crane continues to slide along the corresponding sliding rails due to self or external reasons after overall stopping is avoided, and stopping and limiting of overall movement of the bridge crane are accurate.

This utility model discloses a tension roll replacement hoisting device for a cold rolling mill, including a main beam, a transmission mechanism, a traveling mechanism, and a counterweight. The transmission mechanism is installed on one side of the main beam, and the counterweight and the traveling mechanism are both connected to the lead screw nut of the transmission mechanism. The wheels of the traveling mechanism roll on the main beam. Two tension roll lifting lugs are provided at the lower end of the other side of the main beam, and two or more overhead crane hoisting holes are provided at the middle of the top of the main beam. This utility model allows for direct replacement without the need to hoist the closed cover plate, improving operational safety and work efficiency.

The invention discloses an adjustable unfolding and rolling device for an excavator crawler belt, and relates to the technical field of excavator crawler belt machining, the device is composed of a supporting part, a folding and unfolding part, an adjusting part and a fixing part, the supporting part forms a fast-assembling cavity through three-point rollers, and the folding and unfolding part is integrally pushed in or out; the folding and unfolding part drives a folding and unfolding shaft through a motor and a worm gear pair to drive a plurality of connecting rods to synchronously expand or contract, and automatic clamping and rewinding of a track roll are completed; according to the adjusting part, stepless rotation and power-off self-locking of the support within a certain range are achieved through a motor, a worm and a worm gear mechanism, and constant-tension unwinding, angle adjustment and rewinding can be conducted on any section of the crawler belt on the ground in cooperation with a lead screw and a pressing plate traction mechanism. A bolt type height adjusting mechanism is arranged at the bottom of the device and can adapt to track rolls of different specifications. Forklift, crown block and high-altitude operation are not needed in the whole process, the falling risk is eliminated, track pitch lengthening and pin shaft hole deformation are avoided, and maintenance and detection efficiency and safety are remarkably improved.

This invention discloses a steelmaking overhead crane weighing system for low-quality industrial data, belonging to the field of steel production technology. The system includes: a data acquisition and fusion module for collecting real-time crane data and production event data from the manufacturing execution system; a feature extraction and data governance module for identifying hoisting operation segments and performing time-series reconstruction and completion of production event data to generate a unified process time sequence table; and a core matching and calculation engine module, including a multi-condition dynamic matching engine and a multi-mode adaptive weight calculation engine, used respectively for multi-dimensional rule matching of hoisting segments and process nodes, and for calculating the weight of molten steel using robust mean or morphological recognition modes. This invention achieves highly robust and accurate molten steel weight tracking even in environments with missing, delayed, and noisy multi-source data, significantly improving the system's process adaptability and maintainability.

The present application relates to a kind of centrifuges for reducing tank processing, belong to mechanical equipment field.The present application includes centrifugal main machine, casting trolley, spraying trolley and pipe pulling machine, the casting trolley and spraying trolley are respectively located at the both ends of centrifugal main machine, its structural features are as follows:It further includes molten steel transfer trolley, core lifting crane and protective cover, the centrifugal main machine is located in protective cover, the molten steel transfer trolley is cooperated with casting trolley, the centrifugal main machine is cooperated with core lifting crane, casting trolley, pipe pulling machine and spraying trolley;The molten steel transfer trolley includes transfer device, positioning device and conveying device, the conveying device is set on transfer device, the transfer device is cooperated with positioning device, the pipe pulling machine is cooperated with pipe holding overhead crane;The transfer device includes transfer trolley frame, transfer trolley wheel, transfer speed reducer and transfer support, the transfer trolley wheel, transfer speed reducer and transfer support are all set on transfer trolley frame, and the transfer speed reducer is used to drive transfer trolley wheel.

The present application relates to the technical field of control of underactuated bridge crane, and discloses a finite time tracking control method of underactuated bridge crane, which is characterized by the following steps: installing an incremental encoder at the tail of the motor of the bridge crane, measuring the displacement of the trolley by the incremental encoder, calculating the required displacement of the trolley and the signal size of the load swing by the finite time tracking controller of the bridge crane, and then moving the trolley to the target position by the motor of the bridge crane, so as to indirectly control the load swing. The establishment method of the finite time tracking controller comprises the following steps: proposing the acceleration motion trajectory of the bridge crane system, and then using the sliding mode control to perform the finite time tracking control on the bridge crane system, so that the bridge crane can maintain good control performance even under adverse conditions, and the control target is achieved.

The auxiliary traction device comprises a traction rope, a balancing weight, a vertical guide rail, a speed reduction assembly and a switch assembly, the vertical guide rail is arranged below the end of a traveling guide rail of the bridge crane, the balancing weight is in sliding connection with the vertical guide rail, a first guide wheel is arranged above the vertical guide rail, and a second guide wheel is arranged below the first guide wheel. One end of the traction rope is fixedly connected with the balancing weight, and the other end of the traction rope is detachably connected with a bridge frame of the bridge crane; the speed reduction assembly is fixedly arranged on the balancing weight and makes contact with the vertical guide rail to be used for controlling the descending speed of the balancing weight. The switch assembly is used for controlling the speed reduction assembly to be switched between the braking state and the braking releasing state. According to the invention, through a pure mechanical counterweight traction mode, controllable moving capability is provided for the bridge crane which is powered off.

The application relates to the field of crane technology and discloses a simple electric hoist bridge crane, which comprises an end beam, the outer surface of the upper end of the end beam is fixedly connected with a cross beam, the outer surface of the upper end of the cross beam is provided with a slide, the outer surface of the upper end of the cross beam is slidably connected with a support, the outer surface of the upper end of the support is fixedly connected with a hydraulic tank, the outer surfaces of the front end and the rear end of the hydraulic tank are fixedly connected with air pipes, the inside of the support is rotationally connected with a main shaft, the outer circular surface of the main shaft is slidably connected with a steel rope, and the lower end of the steel rope is fixedly connected with a hook. The simple electric hoist bridge crane has the advantages of avoiding the harm of steel rope fracture to the personal safety of surrounding workers, avoiding the chaotic winding of the steel rope in the electric hoist, and the like, and solves the problems of the harm of steel rope fracture to the personal safety of surrounding workers and the chaotic winding of the steel rope in the electric hoist.

The low-noise dustproof anti-static bridge crane for the clean room comprises two cross beams additionally provided with shells, the two ends of a bridge frame are movably connected between the two cross beams through two lengthened air cushion sliding seats, exhaust ports are formed in the bottoms of the air cushion sliding seats, and a circle of elastic lining edge is further fixed to the periphery of the lower end of each air cushion sliding seat. Air guide grooves are formed in the two sides of a guide rail sliding way on the cross beam respectively, bosses are further arranged on the guide rails on the outer sides of the two air guide grooves respectively, flanges are fixed to the inner sides of the two bosses respectively, and the two sides of the elastic lining edge are located between the tops of the air guide grooves and the flanges respectively. The two groups of traction mechanisms are used for dragging the air cushion sliding seats to move back and forth along the guide rails, and the two groups of high-pressure fans are used for enabling air to circulate between the shell and the air cushion sliding seats. The bridge frame has the advantages of low noise, dust prevention and static prevention when moving.

A system is provided for managing safety of bridge cranes in an industrial environment. The system comprises: (a) a first real-time locating component for generating a first location data stream about a crane within the industrial environment; (b) a second real-time locating component for generating a second location data stream about mobile persons and objects within the industrial environment; (c) one or more processors in communication with the first real-time locating component and the second and configured to: synchronizing the first location data stream and the second location data stream, converting the first location data stream into a coordinate of the second time locating component, and determine a collision event between the crane and the movable object; and (d) optionally a component using optical / infrared sensors (camera, LIDAR, etc.) backed by artificial intelligence for visualization and high-level analytics.

The utility model provides a kind of double-beam double-lifting-point bridge crane, including bridge, the trolley travelling mechanism being arranged at the lower side of bridge, the trolley rail being arranged at the upper side of bridge, the hoist trolley being arranged on trolley rail, the winch being arranged on hoist trolley and the hoisting spreader being connected with winch;Hoisting spreader includes central support, telescopic support being arranged at the both sides of central support and the hoisting hook being arranged at telescopic support telescopic end, and telescopic support is hinged with central support;The upper side of central support is provided with several groups of movable pulley, and movable pulley is connected with winch by steel wire rope.The double-beam double-lifting-point bridge crane design science, easy to operate, can fully guarantee the stability of lifting.

A multiple brake hoist system includes a hoist for lifting and lowering a load and a power supply for supplying electrical power to the hoist. The power supply is configured to retain electromagnetic and capacitive energy upon deactivation. Primary and secondary brakes engage the hoist upon deactivation from the power supply. The primary and secondary brakes are connected to the power supply in a fail-safe configuration to maintain a non-engaged state on the hoist during activation of the power supply. The primary brake establishes an engaged state on the hoist upon deactivation from the power supply. The secondary brake establishes an engaged state on the hoist after a predetermined time-delay associated with consuming the predetermined amount of electromagnetic and capacitive energy of the power supply upon deactivation. In this manner, the primary and secondary brakes prevent a differential torsional stress between the mechanical components upon deactivation of the power supply.

The invention discloses a crown block track surface cleaning device in a semiconductor workshop, which comprises a bottom plate, a frame is arranged on the bottom plate, and a first negative pressure fan and a second negative pressure fan are arranged in the frame; a negative-pressure air draft longitudinal cylinder extending upwards is arranged in the frame, and the bottom end of the negative-pressure air draft longitudinal cylinder is connected with a first negative-pressure fan and a second negative-pressure fan through pipelines in a communicating mode. A negative pressure air draft transverse barrel is arranged at the top end of the negative pressure air draft longitudinal barrel, the negative pressure air draft transverse barrel is vertically arranged at the top end of the negative pressure air draft longitudinal barrel, and the negative pressure air draft transverse barrel is communicated and connected with the negative pressure air draft longitudinal barrel; the two ends of the negative-pressure air draft transverse barrel are provided with dust removal modules which protrude downwards and are matched and symmetrical, and each dust removal module comprises a dust removal head cavity. Through non-contact suspended positive and negative air passage cleaning, efficient and automatic cleaning of the crown block rail surface of the semiconductor workshop is achieved, and the cleanliness of the semiconductor production environment is effectively improved.

The utility model discloses an electrical control cabinet of a bridge crane, and relates to the technical field of electrical control cabinets of bridge cranes, in particular to an electrical control cabinet of a bridge crane, which comprises an electrical control cabinet body, a supporting seat is fixedly mounted on one side of the electrical control cabinet body, a sliding groove is arranged on one side of the supporting seat, and a sliding block is arranged on the sliding groove. A sliding groove is formed in one side of the supporting seat, a sliding seat is slidably connected into the sliding groove, a support is fixedly mounted on one side of the sliding seat, a mounting frame is fixedly mounted on one side of the support, a mounting hole is formed in one side of the mounting frame, a limiting hole is formed in one side of the supporting seat, and a telescopic groove is formed in one side of the sliding seat. According to the electrical control cabinet of the bridge crane, through the arrangement of the sliding seat, the electrical control cabinet of the bridge crane has the effects that different types of bridge cranes can be conveniently mounted, and the mounting process is relatively simple, so that the effect of relatively simple mounting is achieved, and the purpose of relatively convenient use is achieved.

This invention belongs to the field of engineering machinery manufacturing and discloses an auxiliary installation device for a turntable assembly and an engineering machinery production line. The auxiliary installation device for the turntable assembly includes: a suspended base frame; a base frame displacement mechanism, including an overall three-way moving mechanism and a rotation mechanism connecting the overall three-way moving mechanism and the suspended base frame; a turntable capturing mechanism, disposed on the suspended base frame and used to capture and fix the turntable; and a connecting member installation mechanism, disposed on the suspended base frame and used to connect and fix the connecting member to the frame mounting holes and the outer ring mounting holes of the slewing bearing, which are aligned with each other. Through the technical solution of this invention, during the entire installation process of the turntable assembly and the frame, there is no need for manual operation of the overhead crane to pull the turntable at an angle, no need for manual holding of the pneumatic wrench, and no need for manual bending over to operate the torque wrench. Therefore, there is no improper use or wear and tear on the overhead crane, no need for multiple people to cooperate in the installation, which can reduce the labor intensity of workers, improve safety, and provide high controllability of the rotation angle, effectively improving installation efficiency.

This application discloses a method for transporting semiconductor chips via an overhead crane, including: moving the entire crane to move a clamping unit to a position corresponding to a semiconductor chip carrier; the clamping unit extending horizontally into the placement position of a simulation device and clamping the semiconductor chip carrier; the clamping unit moving the semiconductor chip carrier out of the placement position; and the entire crane moving to transport the semiconductor chip carrier. The clamping unit extends horizontally into the placement position of the simulation device to clamp the semiconductor chip carrier, thus avoiding obstruction of the placement position from the top of the semiconductor chip carrier.