13results about How to "Moderate length" patented technology

The invention discloses a trajectory prediction method and system based on a hybrid expert model, a medium and a product, and relates to the field of data processing systems specially suitable for the prediction purpose, and the method comprises the steps: obtaining an observation trajectory of any length; a preset encoder is utilized to encode the observation track, and track feature representation is obtained; inputting the track feature representation into a gating network, and calculating an optimal observation length; according to the optimal observation length, activating a corresponding target expert module in a preset hybrid expert model, and performing optimization processing on the observation trajectory to obtain an optimized trajectory; the optimization processing comprises the following steps: comparing the current length of the observation track with the optimal observation length; if the observation length is greater than or equal to the optimal observation length, executing observation pruning; if the observation length is smaller than the optimal observation length, reverse prediction is executed; and inputting the optimized trajectory into the trajectory prediction backbone network to obtain a future trajectory prediction result. By implementing the method, the trajectory prediction accuracy under the observation condition of any length can be improved.

The utility model discloses an integrated double-layer electric power cabinet which comprises a double-layer electric power cabinet body, an electric component and a triangular plate are fixedly installed in the double-layer electric power cabinet body, a connecting cylinder is fixedly installed on the upper surface of the triangular plate, a winding mechanism is rotatably installed in the connecting cylinder in a damping mode, and a wire port is formed in the outer surface of the connecting cylinder. A wire guiding opening is formed in the connecting cylinder, the wire guiding opening can be matched with the winding mechanism, a wire winding ring opening is formed in the connecting cylinder and communicates with the wire guiding opening, a wire can penetrate into the wire guiding opening and penetrate into the winding mechanism through the wire winding ring opening, and the wire can penetrate out of the winding mechanism and is electrically connected with the electric component. According to the utility model, through the design of the connecting cylinder and the winding mechanism, a worker does not need to reserve enough length in advance for winding, the required length can be directly pulled out for connection, the operation steps are reduced, and the length of the wire connected to equipment is ensured to be always proper because the wire is directly pulled out according to the length.

This utility model relates to the field of crushing equipment and discloses a high-efficiency straw crushing device, including a crushing box. The top of the crushing box has a feed hole, and a feed hopper is installed inside the crushing box. Two crushing rollers for straw crushing are rotatably installed inside the crushing box, and a discharge hole is opened on one inner wall of the crushing box. A conveying shell for feeding straw is fixedly installed on the top of the crushing box. A conveying mechanism for conveying straw is provided inside the conveying shell, and a discharge hole is opened on the bottom inner wall of the conveying shell, located directly above the feed hole. A housing is fixedly installed on the top of the conveying shell, and a lifting seat is slidably installed inside the housing. This utility model has the following advantages and effects: it achieves efficient straw feeding through the conveying mechanism, continuously cuts the straw using a cutting blade, and efficiently crushes the straw with the help of the crushing rollers, significantly improving the straw processing efficiency and effect.

The utility model discloses a coil tin soldering device and a wireless charger production line, the coil tin soldering device comprises a rack, a first cutting mechanism, a tin soldering mechanism and a second cutting mechanism, the rack is provided with a conveying mechanism, and the rack is sequentially provided with a first cutting station, a tin soldering station and a second cutting station along the length direction of the conveying mechanism; the conveying mechanism can convey the clamps to the first cutting station, the tin soldering station and the second cutting station in sequence. The first cutting mechanism is used for cutting a pin of the coil, and the first cutting mechanism is installed at the first cutting station; the tin soldering mechanism is used for conducting tin soldering on the pins of the coils and installed on the tin soldering station. And the second cutting mechanism is used for cutting the head of the pin of the coil subjected to tin soldering, and the second cutting mechanism is installed at the second cutting station. According to the coil tin soldering equipment, the head of the pin of the coil subjected to tin soldering can be cut through the second cutting mechanism, and therefore the situation that the head of the pin of the coil is too large to affect follow-up welding is prevented.

The application relates to a multilingual news abstract extraction method based on reinforcement subgraph mining, and belongs to the technical field of natural language processing and artificial intelligence. The application is proposed in view of the problems of the traditional extractive abstract method, such as insufficient coherence between sentences, much redundant information, low abstract quality and the like in long document processing, and comprises the following steps: document multi-level semantic heterogeneous graph construction and initialization; feature enhancement is performed on the sentence nodes through a heterogeneous graph hierarchical structure encoder, a global context encoder and an extraction history encoder; key subgraph mining is strengthened; the abstract extraction process is modeled as a multi-step Markov decision process, key sentence nodes are dynamically selected based on a sentence-level feature graph to form an abstract subgraph, and the selection process is optimized through a reinforcement learning strategy. The application is suitable for automatic abstract generation tasks of long texts such as scientific literature, academic papers and long news reports, and has good interpretability, adaptability and abstract quality.

The utility model provides an assembly with a main shaft head and a main body pressed by screws, and relates to the technical field of offshore oil exploration equipment. The spindle comprises a spindle head and a body, the bottom end of the spindle head is provided with an unthreaded hole, the top end of the body is provided with a smooth shaft, the smooth shaft and the unthreaded hole are connected in a matched mode through the unthreaded hole, and meanwhile the spindle head is connected with the top end of the body through an inner hexagonal screw. Threaded connection between the main shaft head and the main body is omitted, unthreaded hole matched connection is adopted, the plastic lining is additionally arranged to enable the main shaft head and the main body to be assembled and disassembled smoothly, meanwhile, the inner hexagonal screw is selected for pressing assembly, the length of the upper end of the main body is lengthened, the length of the pressing inner hexagonal screw is moderate, and pressing force and strength are guaranteed.

The utility model discloses a fastener rotation dismounting device for mechanical assembly, including main part cylinder and dismounting subassembly, wherein dismounting subassembly includes at least two dismounting rods, and the tail end of dismounting rod is equipped with the dismounting end of cooperation bolt or nut, the main part cylinder is cylindrical structure, and the side surface detachably installs operating handle, and the top is connected with the top cover of screw thread, and the bottom surface is equipped with the connecting column of cooperation dismounting rod, and the quick dismounting is realized through the cooperation and connection of dismounting rod and connecting column, the utility model discloses modularization design, and a variety of bolts nuts are adapted through replacing dismounting rod, and the tool carrying is reduced, and the labor intensity is reduced, the dismounting rod is convenient to replace, and the versatility and efficiency are improved, the operating handle is detachable, is convenient for the nimble force in the narrow space, the simple structure is low in cost, and is convenient to maintain, and the operation convenience and work efficiency are improved significantly.

The utility model relates to the technical field of acetylene carbon black, in particular to a cracking device which comprises a cracking furnace, an electrostatic contactor and an electrostatic generator, the electrostatic generator is arranged outside the cracking furnace, and the electrostatic contactor is arranged on the cracking furnace and electrically connected with the electrostatic generator; a reaction area is formed in the cracking furnace, and the electrostatic output end of the electrostatic contactor is located in the cracking furnace and used for providing single-polarity static electricity into the cracking furnace. According to the novel cracking device provided by the invention, the electrostatic contactor is introduced into the original acetylene carbon black cracking furnace, the electrostatic contactor is electrically connected with the electrostatic generator, and the electrostatic contactor always carries the same static electricity under the action of the external electrostatic generator, so that after carbon black is generated, the carbon black is in contact with the electrostatic contactor so as to carry the same charge; by utilizing the mutual repulsion effect of the same charges, the carbon black is prevented from forming a longer and excessively developed branch chain, the agglomeration among microscopic branch chains of the carbon black is reduced, a proper branch chain length is formed, and the use performance of the carbon black is ensured.

The invention relates to a dipyrrolothiophene compound, a photoelectric device and photoelectric equipment. The structural formula of the dipyrrolothiophene compound is shown in the specification, in the formula, R1, R2, R3, R4, R5 and R6 are respectively and independently selected from one or a combination of more of hydrogen, an energy level regulating group, a conjugate group, a solubility regulating group, an anchoring group and a polar group, the molecule takes a dipyrrolothiophene ring as a core to form a symmetrical planar tricyclic system, and a rigid planar structure without obvious distortion is formed. The rigidity derives from condensed ring conjugated strong bond energy, thermal vibration distortion of molecular configuration is effectively avoided, and a stable conjugate channel is provided for charge transfer. And the prepared photoelectric device and photoelectric equipment are high in photoelectric conversion efficiency.

The utility model discloses a portable vibrating rod which comprises a main sleeve, an end sleeve and an eccentric shaft, and the end sleeve is connected to one end of the main sleeve in a plugging and sleeving mode. The eccentric shaft is arranged between the main sleeve and the end sleeve in a sleeved mode, bearing assemblies are arranged at the two ends of the eccentric shaft respectively, one bearing assembly is installed in the main sleeve, the other bearing assembly is installed in the end sleeve and is opposite to an existing bearing assembly which is arranged in the main sleeve, and the length of the eccentric shaft is not limited by the main sleeve. The eccentric shaft is sleeved between the main sleeve and the end sleeve, at the moment, the end sleeve can contain and install a part of the eccentric shaft, the total vibration length range of the vibration rod comprises the length of the end sleeve and the length of the main sleeve, and under the same vibration length range, the main sleeve can be shortened, and the end sleeve can be prolonged to be matched with the length of the eccentric shaft, so that the eccentric shaft is not damaged when leaving a factory. The end sleeve and the main sleeve can be kept at a proper length so as to be convenient to produce, manufacture and transport.

The utility model provides a battery string, relates to the field of photovoltaic technology, and solves the technical problem of fragmentation risk caused by unreasonable distribution of bonding pads in the prior art. The device comprises at least two battery piece base bodies welded through a welding strip, the distance between the centers of two bonding pads on the outermost sides of the two adjacent battery piece base bodies is L, the distance between the two side edges, away from each other, of the two adjacent battery piece base bodies is W, the range of L / W is 87%-94%, and the range of W / L is 87%-94%. The lengths of the welding strips connected to the two adjacent battery piece substrates are proper, so that the collection of current carriers and the conduction of current are facilitated; meanwhile, edge subfissure of the cell substrate caused by the fact that the first bonding pad is too close to the edge of the cell substrate can be avoided; and battery piece warping or breaking caused by thermal stress before and after welding of the welding strip can be avoided, so that the battery piece yield and the assembly efficiency are improved.

The utility model discloses a carpet laying and flattening device, including frame and flattening mechanism, flattening mechanism connects on frame, and frame includes middle frame and two bottom disc, is equipped with two horizontal setting optical axes on middle frame, and two bottom disc are located two sides of middle frame respectively, and are slidably connected through optical axis between middle frame, flattening mechanism includes width adjusting assembly, two flattening assemblies and two flattening head assemblies, and width adjusting assembly is fixed on middle frame, and the adjusting part of width adjusting assembly is connected with two bottom disc respectively, two flattening assemblies are fixed on two bottom disc respectively, and two flattening head assemblies are fixed on the adjusting part of two flattening assemblies respectively, the utility model discloses reasonable structure makes the carpet flattening work be able to mechanization replacement, and the work efficiency is greatly improved.

The application relates to the technical field of electrical installation fixing, and discloses an electrical installation fixing device for electrical engineering, which comprises a mounting base, a mounting box is slidably arranged at the top of the mounting base, a box cover is arranged at the top of the mounting box, a winding module, a wire feeding transmission module and a wire winding module are arranged in the mounting box, electrical wires are wound and stored on the winding module, the winding module is rotated to release the wires after the wires are pulled out through the wire feeding transmission module; the winding module comprises a winding drum, one end of the winding drum is fixed to a rear support plate arranged in the mounting box, the other end of the winding drum is rotatably arranged with a rotating ring, the electrical wires are wound on the winding drum, one end of the electrical wires is connected with the wire feeding transmission module after passing through a wire releasing hole arranged on the rotating ring, and the other end of the electrical wires is arranged by passing through a wire inlet hole arranged on one side of the rear support plate; compared with the prior art, the electrical wires are stored and wound by winding, the length of the released electrical wires can be adjusted, and the electrical wires can be conveniently connected with devices or lines at different positions.