17results about How to "Keep a safe distance" patented technology

The utility model discloses a gun type device for hanging a 500kV ground wire, which belongs to the field of drip irrigation emitter design, and is characterized by comprising a launching tube and a supporting tube, a storage device and a launching device are arranged in the launching tube, a ground wire is stored in the storage device, the ground wire is fixed on a cable after being launched by the launching device, a sighting device is arranged at the side part of the launching tube, and the sighting device is connected with the supporting tube. A grounding claw is arranged at the end of the grounding wire, a trigger for controlling the launching device is arranged on the side portion of the launching support, a rotating wheel for controlling the storage device is arranged on the side portion of the launching tube, a prefabricated hole for the grounding wire to stretch out is formed in the side portion of the launching tube, and an auxiliary handle for a worker to grasp is arranged on the side portion of the launching tube. Compared with the prior art, the grounding wire hanging device has the advantages that the grounding wire hanging is more convenient, the operation time is greatly shortened, the grounding wire hanging efficiency is improved, the safety distance is kept when a worker hangs the grounding wire, and in addition, the grounding wire is more convenient to store due to the arrangement of the storage device.

This invention belongs to the field of mechanical engineering technology and discloses a support device for a telescopic arm of a robot for adding a cover to a mixed-iron car. The device includes a support plate, a limiting box fixedly installed on the top of the support plate, a threaded sleeve movably installed inside the limiting box, and an mounting plate fixedly installed on the top of the threaded sleeve. The mounting plate has a sliding groove inside. Compared with traditional devices, this invention, through the cooperation between the threaded sleeve and the threaded rod, facilitates the slow upward movement of the telescopic arm, greatly improving operational flexibility. It allows the robot to easily cope with different working conditions and positional requirements, expands the working range, reduces adjustment time due to height mismatch, optimizes the work process, significantly enhances work efficiency, and ensures a safe distance between the robot and the mixed-iron workshop through precise height adjustment, reducing operational risks and improving the stability of the telescopic arm during operation, effectively ensuring operational safety.

A method for installing a hydraulic pump station using a combination of tools: S1. The hydraulic pump station is lifted using claw jacks. Three pallet jacks are placed at the bottom of the hydraulic pump station, one of which is a main pallet jack with electric power and remote steering function, and the other two are follow-up auxiliary pallet jacks. The hydraulic pump station is lowered to support it on the three pallet jacks. S2. The hydraulic pump station is moved horizontally by the electric power of the main pallet jack. The direction of the rollers of the main pallet jack is controlled by a remote control to achieve steering. The two auxiliary pallet jacks follow the movement, moving the hydraulic pump station to the vicinity of the installation foundation. S3. The hydraulic pump station is lifted again using claw jacks, all pallet jacks are removed, and the hydraulic pump station is lowered onto the installation base. S4. The level of the hydraulic pump station is adjusted, the anchor bolts are tightened, and the connection between the hydraulic pump station and the external hydraulic pipeline is completed. This method solves the technical problems of existing installation methods, which make it difficult to lift, steer, and accurately position equipment in narrow spaces.

This utility model discloses a conductor support rod, including an insulating connecting rod; each end of the insulating connecting rod is provided with a connector; the connector is provided with a conductor through groove, and the top of the conductor through groove is provided with a detachable fixing member. By providing a connector at each end of the insulating connecting rod, and the connector being provided with a conductor through groove and a fixing member that cooperates with the conductor through groove, the conductor through groove on the connector at both ends is brought into contact with the transmission conductor, and then the fixing member limits the transmission conductor within the conductor through groove, so that the conductor support rod is supported by the transmission conductor; at the same time, under the action of the insulating connecting rod, adjacent transmission conductors are isolated by the insulating connecting rod, ensuring that the transmission conductors maintain a safe distance, realizing the rapid installation of the conductor support rod and ensuring operational safety, thereby improving the efficiency of conductor operation.

The present application relates to a kind of pet vehicle restraint device, including fixed plate and first bandage;The fixed plate can be installed on car seat;One end of the first bandage is fixed on the fixed plate to form fixed end, the other end of the first bandage is free end, and the free end can be connected to pet;The first bandage has an anchor point on the fixed plate, the distance between the anchor point and the fixed end is first length, the distance between the anchor point and the free end is second length, and the anchor point can be displaced relative to the fixed plate, with the displacement of the anchor point, the first length increases, and the second length correspondingly decreases, or the first length decreases, and the second length correspondingly increases.Compared with prior art, the pet vehicle restraint device of the present application can improve the comfort of pet when being restrained in the vehicle body.

The utility model discloses a safety remote monitoring system for a cluster type flywheel energy storage system, which belongs to the field of flywheel energy storage and comprises an upper computer, a control cabinet, a first unit terminal execution device and a second unit terminal execution device. The unit terminal execution equipment II comprises an energy storage motor system, an energy storage safety pit, a converter system, a video monitoring system and a sensor monitoring system; the sensor monitoring system obtains operation data of the energy storage motor system and the converter system and transmits the operation data to the control cabinet; the video monitoring system obtains video data of the energy storage safety pit and transmits the video data to the control cabinet through a video signal; the control cabinet processes the collected data and then transmits the data to the upper computer; and the upper computer sends out a corresponding control signal so as to finish remote monitoring. According to the utility model, the remote monitoring of the operation state can be realized, and the safety of personnel and equipment is ensured.

The application provides a robot welding path planning and obstacle avoidance method and system for complex workpieces, which comprises the following steps: extracting all welds from the workpiece, clustering the welds to obtain a weld grouping result; sorting the welds between each weld cluster and sorting the welds in each weld cluster to generate a welding path for each weld cluster; generating a welding sequence that meets process constraints; generating a safe transition path between the initial position of the welding gun and the first welding point of the welding sequence, between adjacent welds in the welding sequence, and between the last welding point of the welding sequence and the reset position of the welding gun, to obtain a complete welding path; and searching for an optimal welding path in the welding path in the minimum welding path comprehensive cost as the target. G The application solves the welding path planning problem under the combined action of multiple factors such as obstacles, differences in weld position distribution, and multiple process constraints. G The application solves the welding path planning problem under the combined action of multiple factors such as obstacles, differences in weld position distribution, and multiple process constraints.

The invention discloses a dynamic outdoor environment-oriented scene graph semantic navigation method, which comprises the following steps: S1, constructing a multi-level ownership graph which comprises a plurality of types of nodes associated through a hierarchical clustering relationship; s2, receiving a natural language instruction, performing hierarchical semantic retrieval and reasoning on the natural language instruction and the node description of the multi-level avatar, and determining a target node corresponding to the natural language instruction from the multi-level avatar; s3, acquiring a node of the current robot, and performing global path planning according to the target node and the node of the current robot; and S4, acquiring local real-time sensing data, performing local trajectory planning and safety control decision based on the planned global path and the local real-time sensing data, and generating a control instruction. According to the method, semantic navigation guided by natural language instructions can be realized in a large-scale dynamic outdoor environment.

The invention discloses a motor stator, a motor and a compressor, and relates to the technical field of compressors, the motor stator comprises a stator core, a stator winding, an outgoing line assembly and a plurality of first terminals, the stator winding comprises a winding body, a winding joint and a transition section, the winding body is wound on stator teeth, and the winding joint is wound on the transition section. The transition section is arranged between the winding body and the winding joint; the outgoing line assembly is provided with a plurality of wire harness groups, and each wire harness group is provided with x conductive wires; each first terminal is crimped with at least one winding joint and one wire harness group; wherein the wire diameter of the transition section is d1, the wire diameter of the conductive wire is d2, and d1 is smaller than or equal to x1 / 2 * d2. According to the technical scheme, the relation among d1, d2 and x is adjusted, so that d1 is smaller than or equal to x1 / 2 * d2, the temperature rise of the conductor wire can be reduced, meanwhile, the safe distance between the outgoing line assembly and the peripheral wall of the stator iron core is guaranteed, the conductor wire with the large wire diameter can be adopted by the motor stator, and the difficulty of the manufacturing process of the outgoing line assembly is reduced.

This invention discloses a manned-unmanned aerial vehicle (UAV) cooperative formation control and adaptive obstacle avoidance method, relating to the field of aircraft cooperative control technology. The method includes acquiring the state information of the lead manned aircraft and following UAVs within the formation; filtering and estimating the state information of the lead manned aircraft to obtain a posterior state estimate, which includes posterior position, posterior velocity, and posterior yaw angle; calculating the turn rate based on the difference in posterior yaw angles between adjacent periods; and calculating the predicted position and predicted velocity of the lead manned aircraft. Based on the posterior and predicted positions, a forward-shifting envelope center is determined through linear interpolation; an envelope direction reference is determined based on the predicted velocity; and a lateral offset is determined based on the turn rate, constructing a dynamic asymmetric safety envelope. This eliminates the inner collision blind spot during maneuvering and following, improving the safety and stability of formation flight.

The application discloses a real-time scheduling method for same-track double cranes based on joint action space deep reinforcement learning, and belongs to the technical field of industrial scheduling. The method first acquires a real-time production state of double cranes; a mathematical model for real-time scheduling of double cranes is constructed, with the objective of minimizing the maximum completion time and the constraints of crane collision avoidance, workpiece process sequence and the like; then, a real-time scheduling model based on joint action space deep reinforcement learning is constructed, which adopts a joint action space mechanism; subsequently, historical data and a simulation environment are used to train the model by using a multi-agent deep reinforcement learning algorithm; finally, the real-time task and the system state are input into the trained model, so that the collaborative operation instructions of the double cranes can be output to guide the real-time operation of the production line. The application can effectively solve the path conflict, task allocation and real-time disturbance problems in the collaborative operation of double cranes, and provides reliable and efficient decision support for intelligent scheduling of the production line.

The utility model discloses a top-air-out type air conditioner outdoor unit which comprises a machine shell, an air inlet and an air outlet, a mounting cavity is defined in the machine shell, and an outdoor air outlet and an outdoor air inlet are formed in the top and the side portion of the machine shell correspondingly; the electric control box is connected with the machine shell and located outside the mounting cavity, a containing cavity used for mounting the electric control board is defined in the electric control box, and a heat dissipation air inlet part is arranged on the electric control box; the air cooling radiator is mounted on the side face, facing the mounting cavity, of the electric control board, and cooling fins of the air cooling radiator penetrate through the electric control box and extend into the mounting cavity; the air guide piece is arranged in the mounting cavity, the air guide piece is connected with the electric control box so as to cover at least part of the heat dissipation fins and the heat dissipation air inlet part, and a heat dissipation air outlet is formed in the top of the air guide piece; the baffle is arranged above the air-cooled radiator, the downward projection of the baffle in the height direction of the machine shell covers the radiating fins, the height of the bottom end of the baffle is not larger than that of the blade tips of the outdoor fan, foreign matter can be effectively prevented from entering the radiating fin area, filth blockage of the radiating fin area is prevented, and therefore the radiating efficiency is improved.

The utility model discloses a battery pack fire extinguishing structure and a vehicle. The battery pack fire extinguishing structure comprises a shell, a liquid guide pipeline and an ejection assembly, and a containing cavity is defined by the shell; the liquid guide pipeline is provided with a first end for the fire-fighting liquid to flow in and a second end for the fire-fighting liquid to flow out, the liquid guide pipeline has a compressed state and an unfolded state, the liquid guide pipeline is located in the containing cavity when the liquid guide pipeline is in the compressed state, and the first end extends out of the containing cavity when the liquid guide pipeline is in the unfolded state; the ejection assembly comprises a limiting piece and a driving piece, the limiting piece is configured to act on the liquid guide pipeline to keep the liquid guide pipeline in the compressed state, and the driving piece is configured to drive the liquid guide pipeline to be switched from the compressed state to the unfolded state after the limiting piece releases limitation. And by arranging the battery pack fire extinguishing structure, the safety distance of fire fighting is guaranteed, firefighters are prevented from conducting pipeline butt joint operation in the high-temperature dense smoke environment, the pipeline butt joint difficulty is lowered, and high safety is achieved.

The utility model discloses a distance control device for a coal mine cross line pipe, which relates to the technical field of coal mining and is mounted between a drainage pipeline and a communication cable which are vertically crossed. Comprising a hanging bracket hung at the bottom of a drainage pipeline, an isolation rod installed at the bottom of the hanging bracket and extending downwards and a supporting frame connected to the bottom of the isolation rod. The supporting frame comprises a supporting rod parallel to the drainage pipeline. The communication cable is supported at the bottom of the supporting rod. Therefore, the risk of explosion caused by ignition of gas by electric sparks generated by the communication cable due to too short distance is greatly reduced, heat can be prevented from being quickly transferred to the cable when high-temperature gas is conveyed by a pipeline or a fire occurs, a cable insulating layer is prevented from being melted and fired, time is bought for emergency disposal, the probability of simultaneous damage of the communication cable and the cable due to construction collision can be reduced, and the service life of the communication cable is prolonged. The composite fault risk is reduced, and the safety of coal mine underground operation and the stability of a communication system are guaranteed.

The embodiment of the utility model provides a heater and a single crystal furnace, the heater comprises a heating body, and the heating body comprises a plurality of heating petals connected end to end; in at least two adjacent heating petals, the head end of one heating petal is provided with at least one first connecting part, and the tail end of the other heating petal is provided with at least one second connecting part corresponding to the first connecting part; the second connecting part is clamped with the first connecting part; and in the radial direction of the heating body, the thicknesses of the second connecting parts, the first connecting parts and the head ends or the tail ends of the heating petals are the same. And meanwhile, the structural strength of the splicing position of the heating petals and the safety distance between the splicing position and other thermal field components are guaranteed, and virtual connection sparking caused by bolt fixing and bolt hole cracking is avoided.

The utility model discloses an insulation protection framework and a plug-in inductor, the insulation protection framework comprises two side plates, the two side plates are respectively provided with a plurality of mounting holes, the plurality of mounting holes in the same side plate are arranged along the left-right direction, the mounting holes of the two side plates are arranged in a one-to-one correspondence manner, and the mounting holes are used for mounting magnetic cores; the connecting plate is connected with the upper ends of the two side plates respectively, the connecting plate and the two side plates jointly form a mounting cavity with a downward opening, the mounting holes are communicated with the mounting cavity respectively, and the mounting cavity is used for mounting a coil winding. The insulation protection framework can improve the safety of the plug-in inductor.

This invention provides a real-time visual trajectory correction system and control method for a robotic arm applied to electromagnetic induction heating forming of ship curved plates. The system includes the following steps: synchronously acquiring joint angles, images, and heating power and rate; real-time reconstruction of local point clouds in the heating area; using observed values ​​and process parameters as input, recursively estimating and predicting the height and normal vector of the curved plate surface; generating pre-correction commands based on online correction of the end-effector pose; simultaneously generating joint fine-tuning amounts based on visual ranging deviations; and finally, superimposing these to obtain the final joint control commands to drive the robotic arm. The system includes a data acquisition and point cloud reconstruction module, a deformation prediction module, a trajectory pre-correction module, a distance closed-loop fine-tuning module, and a command synthesis and execution module. This invention integrates process parameters into deformation prediction and coordinates with visual closed-loop control, achieving real-time and accurate trajectory correction even at extremely narrow operating distances.