511 results about "Overhead crane" patented technology

The utility model relates to a semiconductor wafer box transfer device which has high precision, high stability and high automation level and is suitable for wafer box transfer in the semiconductor production process. The device comprises a connection table arranged in a bottom area, the connection table is provided with a power assembly and a groove transmission structure which are used for lifting and transmitting a wafer box, and the periphery of the connection table is provided with an anti-vibration device made of a flexible material. And the crown block is positioned at the upper part of the device and moves along the guide system track so as to ensure smooth transfer of the wafer box among different areas. A manipulator is arranged on one side of the connection table, the tail end of the manipulator is provided with a grabbing device of an open type U-shaped structure, and a positioning column is arranged to be matched with a positioning hole in the bottom of the wafer box, so that the positioning accuracy of the wafer box is guaranteed. An automatic induction device is installed above the grabbing device and cooperates with an inductor to monitor the position of the wafer box in real time. The power assembly adopts a belt transmission system to ensure stable transmission of the wafer box.

The invention belongs to the technical field of industrial crane control, and provides a bridge crane motion path planning method and system, and the method comprises the steps: uniformly dividing the motion environment of a bridge crane into grid units, recognizing a dynamic obstacle, endowing each grid unit with a state value, carrying out the track prediction of the dynamic obstacle, and carrying out the prediction of the motion path of the bridge crane. The method comprises the following steps: generating a time grid state matrix, constructing a time sequence passing grid set sequence, exploring a shortest path by adopting an improved A * algorithm, exploring multiple feasible paths by adopting an RRT algorithm, marking change nodes, screening the multiple feasible paths based on the shortest path, marking an initial path, and sorting an initial path set and a path node sequence; and quantitatively calculating the path tortuosity of the initial path, screening based on the path tortuosity, marking an optimal path, analyzing the load swing of the load at the change node, calculating the swing envelope range of the load, marking a risk change node, and screening to obtain an optimal path.

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.

The present application belongs to the field of wafer cassette transport equipment, and specifically relates to an overhead crane, an overhead crane transport system, and a control method thereof. The overhead crane includes a main body, a detection device, and a posture adjustment device. The main body is used to travel along a main track, pick up and place, and transport goods, including wafer cassettes. The detection device is provided on the main body and is used to detect environmental information. The posture adjustment device connects the main body and the detection device. The posture adjustment device can adjust the angle of the detection surface of the detection device relative to the main body by adjusting the posture of the detection device. During the operation, maintenance, and troubleshooting of the overhead crane, if the detection device on the overhead crane produces an angular or positional offset, the posture adjustment device can correct the posture of the detection device to ensure the normal operation of the overhead crane transport system.

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 invention belongs to the technical field of bridge cranes, and provides a bridge crane metal structure fatigue life evaluation method, which comprises the following steps: establishing a bridge crane simulation model through finite element software ANSYS according to a bridge crane structure, and respectively carrying out concentrated analysis on stress under a static working condition and a dynamic working condition to obtain the fatigue life of a bridge crane metal structure. The method comprises the following steps: determining a dangerous stress area, carrying out dominant analysis on stress components of the dangerous stress area under a static condition from a spatial distribution dimension of the stress components, and monitoring a uniaxial stress state of the dangerous stress area under the static condition. Deviation analysis is carried out through the multi-axis stress damage value of the dangerous stress area at the single-multi-axis change time point, the single-axis evaluation error is eliminated through multi-axis stress equivalent correction, and it is ensured that the fatigue life evaluation result is highly consistent with the actual stress damage rule of the structure.

The invention discloses a packaging unit front aluminum coil intelligent plane warehouse and an operation method thereof.The intelligent plane warehouse comprises a cache warehouse area composed of a plurality of plane saddles, the plane saddles are provided with sensor arrays for monitoring the storage position and number of coiled materials and the bearing condition of the plane saddles, and the warehouse inlet end and the warehouse outlet end of the cache warehouse area are provided with a designated position TOP1 and a designated position TOP2 correspondingly; an AGV ground automatic coiled material conveying trolley and a packaging unit feeding trolley are correspondingly arranged at the designated position TOP1 and the designated position TOP2, and an intelligent crown block is arranged above the buffer storage area; scratches caused by transferring the aluminum coil by a manual crown block are avoided; full automation of edge cutting discharging and packaging feeding of aluminum coils can be achieved, the labor intensity and the safety risk are reduced, and the production efficiency is improved. Production continuity between the edge cutting unit and the packaging unit is achieved, butt joint of production data is automatically completed, manual data input and proofreading time is saved, transportation time is shortened, and the automation level is improved.

The invention belongs to the technical field of intelligent logistics and automatic control, and particularly relates to a lithium electrochemical capacity grading OHT crown block scheduling system based on visual identification, which comprises an information acquisition module, a path planning module and a dynamic adjustment module, the information acquisition module is used for acquiring surface state data and spatial position data of the battery through the multi-mode sensor group and transmitting the data to the feature extraction unit for processing; wherein the multi-mode sensor group comprises a high-resolution industrial camera, an infrared thermal imager and an ultrasonic ranging sensor; and the path planning module is used for generating an initial path planning scheme according to the target battery position information output by the feature extraction unit and the current crown block running state information. Through the design of the conflict detection unit and the dynamic adjustment module, the path conflict rate in a multi-crown-block complex scene is remarkably reduced, and real-time environment changes such as sudden obstacles can be quickly adapted, so that the overall efficiency and reliability of crown block adjustment are improved.

The invention belongs to the technical field of crane path planning, and provides a bridge crane path planning method considering obstacle avoidance, which comprises the following steps of: extracting operation data of a bridge crane in a moving process from historical data, carrying out clustering analysis on the historical operation data according to similar working condition categories, and obtaining a clustering result; determining the maximum swing area range of each load with the similar working condition category as the maximum detection range on a preset path in the moving process of the bridge crane; according to the method, the detection range is dynamically adjusted according to different working conditions, redundancy calculation is reduced, a scheme with the minimum efficiency loss is preferentially selected when a bypassing path is generated, task delay caused by blind bypassing is reduced, when bypassing is not feasible, the optimal stop point is determined through compound navigation coherence evaluation, it is guaranteed that an original path can be rapidly returned subsequently, and the efficiency is improved. The obstacle avoidance requirement and the operation rhythm are considered, and various working conditions in a complex environment can be flexibly adapted.

The invention discloses a trolley for cleaning an OHT crown block track, and relates to the technical field of OHT crown blocks, the trolley comprises a shell and a crown block track, the crown block track is located right above the shell, the upper surface of the shell is fixedly connected with a mounting plate, and the upper surface of the mounting plate is fixedly provided with a driving mechanism; the device comprises a mounting plate, a driving mechanism is fixedly mounted on the upper surface of the mounting plate, the output end of the driving mechanism is slidably connected with a crown block track, a cleaning mechanism is fixedly mounted on the upper surface of the mounting plate and comprises a dust removal suction nozzle and a first sweeping mechanism, and the dust removal suction nozzle is located over the crown block track. Dust is sucked into the dust suction and collection device through the dust removal suction nozzle to be collected; the cleaning efficiency of the crown block track is improved, the potential safety hazard of falling injury of personnel is avoided, a padlock is not needed to stop production equipment in the cleaning process, the cleaning trolley is started in a production gap, and the production efficiency is improved.

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.

The invention discloses an intelligent truss transfer system and method for lead stack warehouse-in and warehouse-out, the system comprises a transfer RGV, a warehouse-in and warehouse-out conveying line and a warehouse-in and warehouse-out truss, and lead stack transfer is executed by taking the warehouse-in and warehouse-out truss as a core. A warehouse area is divided into two areas, a simultaneous warehouse-in, warehouse-out or mixed operation mode is supported, two warehouse-out conveying lines for alternate stock-up are matched, and the loading efficiency is greatly improved; the warehouse-in conveying line and the warehouse-out conveying line are arranged in a high-low crossed mode, space utilization is optimized, and path conflicts are avoided. During operation, the WCS dispatch equipment cooperates, the WMS manages data information, and full-process tracing is achieved. Compared with a traditional manual forklift and crown block hoisting mode, the system reduces personnel assistance, and the labor cost and the safety risk are reduced; through automatic and intelligent operation, the flexibility, the efficiency and the management level of lead stack warehouse-in and warehouse-out are remarkably improved, and an efficient, safe and intelligent solution is provided for enterprise warehouse transfer.

The present invention relates to an intelligent operation control strategy for an automated overhead crane grab bucket. A material yard is divided into a number of regularly arranged operating points. A loading bay is provided outside a material truck. When loading is required, the overhead crane grab bucket grabs material from an operating point in the material yard and moves to the top of the loading bay to discharge the material. The material-grabbing point is the operating point closest to the loading bay among the operating points in the material yard that are allowed to grab material. When loading is not required, the overhead crane grab bucket grabs material from an operating point farther from the loading bay and moves to the top of an operating point closer to the loading bay to discharge the material. The material yard is optimized. The material-discharging point is the operating point closest to the loading bay among the operating points in the material yard that are allowed to discharge material, and the material-grabbing point is the operating point farthest from the loading bay among the operating points that are allowed to grab material. The present invention can effectively reduce the operation time of unloading and loading materials from the material yard, thereby saving the time spent by transport vehicles on loading, improving the working efficiency of transport vehicles, and reducing transportation costs.

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.

A general bridge crane hoisting mechanism braking distance on-line detection device comprises a strong magnet used for being fixedly attracted to a crane roller fixing support, the strong magnet is connected with a dust cover through an adjusting assembly, a photoelectric rotary encoder is fixedly arranged below the dust cover, and the photoelectric rotary encoder is connected with a motor. A roller connected with the photoelectric rotary encoder is arranged in the dust cover, and one side, exposed out of the dust cover, of the roller is in contact with a rotating shaft of the crane roller. The adjusting assembly is arranged to enable the rubber roller and the photoelectric rotary encoder to be close to the rotating shaft of the crane roller, so that the rotating shaft can be measured at different positions, and the dustproof cover is arranged to prevent the roller and the photoelectric rotary encoder from being interfered by dust and the like during working so as not to affect the measurement result.

The utility model discloses a crown block and a material moving system for a graphitization furnace. The crown block comprises a rack, and a first track is arranged on the rack in the length direction of the rack; the material moving assembly is arranged on the machine frame and moves along the first track, the material receiving device comprises a material bin used for temporarily storing materials and a material receiving pipe arranged at the bottom of the material bin, and the material receiving pipe is used for sucking or discharging the materials in the material bin; a cooler for cooling the flowing gas; one side of the first dust remover is communicated with the material bin, and the other side of the first dust remover is communicated with the cooler; and the second dust remover is communicated with the cooler. According to the scheme, the material moving assembly is installed on the rack and comprises the material receiving device, the cooler, the first dust remover and the second dust remover which communicate with one another, so that gas generated in the material moving process is synchronously dedusted and cooled, and the production efficiency is improved.

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.