15results about How to "Achieve interchange" patented technology

The invention provides a task allocation method for multiple AUV (Autonomous Underwater Vehicle) systems in a communication limited scene, which belongs to the technical field of AUVs and comprises the following steps: S1, establishing a Markov decision model; s2, designing a strategy estimation module by using a linear regression algorithm; s3, designing a reward function for guiding cooperation according to the strategy estimation module in the step S2; and S4, improving the DQN algorithm of the distributed multi-AUV system. According to the invention, the strategy estimation module is used for estimating the real-time strategy of each AUV, so that the information exchange between the AUVs in a non-communication state is realized, the task target is efficiently and cooperatively accessed by a multi-AUV system, and the overall efficiency and performance are greatly improved.

The utility model relates to the technical field of woven bag production, and provides a wire drawing machine for manufacturing environment-friendly woven bags, which comprises a frame, a circular shaft is rotatably connected between the middle parts of the inner walls of the two sides of the frame, the two ends of the circular shaft penetrate through the frame, and the outer surface of the circular shaft is fixedly sleeved with a sleeve; and cutter groups are fixedly mounted on the upper side and the lower side of the outer surface of the sleeve. By arranging the gear, the toothed plate, the square frame and the round block, the rotating shaft can drive the disc and the round block to rotate by starting the brake motor, so that the square frame can drive the toothed plate to move leftwards or rightwards, the gear can drive the round shaft, the sleeve and the cutter sets to rotate, and the positions of the upper cutter set and the lower cutter set can be exchanged; according to the technical scheme, the cutter set is replaced, the effect of conveniently replacing the cutter set is finally achieved, the labor intensity of workers is reduced, the production efficiency of woven bags is also improved, and through the technical scheme, the problem that in the prior art, a wire drawing cutter set is inconvenient to replace is solved.

The present invention discloses a digital embroidery, printing and hot stamping machine, which includes: a textile area, a conveying device and a working device; the working device includes a digital embroidery, printing and hot stamping working table; the digital embroidery, printing and hot stamping working table includes a working table, an embroidery machine head, a printing machine head, a hot stamping machine head and a frame; the textile area includes a material part, and the material part is used to place processed textiles and unprocessed textiles at the same time; the conveying device includes a swing frame, and also includes a first power mechanism for conveying the swing frame from the textile area to the working device; the first driving mechanism can also make the swing frame move in the vertical direction; the swing frame is connected to the first power mechanism through a rotating shaft and forms a gantry structure with the first power mechanism; the rotating shaft is provided with a connecting piece at the far end relative to the first power mechanism. Through this technical solution, automated and efficient digital embroidery, printing and hot stamping can be realized.

The utility model relates to the technical field of robots, and particularly discloses a robot joint facilitating heat dissipation of a motor. The first joint assembly comprises a shell and a driving piece arranged on the shell, the shell is used for being connected with an external assembly, and the driving piece is used for driving the external assembly to rotate relative to the shell; the shell is provided with the end cover used in cooperation with the shell, the end cover and / or the shell are / is provided with the fins, the fins are used for accelerating dissipation of heat generated by the driving part, the fins can effectively increase the surface area of the shell in contact with air, heat transfer is accelerated, heat is conducted to the shell and / or the end cover from the driving part, and the heat dissipation efficiency is improved. And then the heat is effectively transmitted to the surrounding environment through the fins, so that the heat dissipation efficiency is improved, and the fins are arranged on the end cover and / or the shell, so that the heat dissipation can be improved, and the mechanical strength of the end cover and / or the shell can be effectively improved.

This utility model discloses a tea fermentation turning machine, which includes a shell. An upper rotating roller and a lower rotating roller are rotatably connected to the inner wall of the shell. An upper flip plate is fixedly connected to the side surface of the upper rotating roller, and a lower flip plate is fixedly connected to the side surface of the lower rotating roller. A layering plate is fixedly connected to the inner wall of the shell, and a layer-changing frame is fixedly connected to the side surface of the layering plate. A flow-diverting plate and a gathering plate are fixedly connected to the upper surface of the layer-changing frame. A shovel plate is also included. A rotating shaft is rotatably connected to the inner wall of the shovel plate, and a conveyor belt is drivenly connected to the side surface of the rotating shaft. A protruding strip is fixedly connected to the side surface of the conveyor belt, and a discharge plate is arranged on the side of the conveyor belt. A dispersing plate is fixedly connected to the upper surface of the discharge plate. Through the above structure, the layering plate, upper flip plate, lower flip plate, flow-diverting plate, layer-changing frame, gathering plate, conveyor belt, discharge plate, and dispersing plate work together to achieve the interchange of upper and lower layers of tea, preventing some tea leaves from remaining in the upper or lower layers, which would lead to uneven fermentation.

The invention relates to the technical field of building decoration, and discloses an assembly type adjustable-leveling wallboard structure which is formed by splicing a plurality of leveling plates, the leveling plates are provided with a plurality of hollowed-out holes which are evenly distributed, screw holes are formed in the hollowed-out holes, a plurality of round holes which are evenly distributed are formed in the edges of the hollowed-out holes, leveling assemblies are arranged in the screw holes, and the leveling assemblies are connected with the leveling plates. The leveling assembly comprises an expansion pipe, a locking nut and a built-in reverse nut, threads are arranged on the outer portion of the expansion pipe, the expansion pipe is inserted into the screw hole from the front face of the leveling plate, and the built-in reverse nut is in an inverted T shape, inserted into the screw hole from the back face of the leveling plate and screwed with the expansion pipe in a matched mode. The locking nut is located on the outer side of the built-in reverse nut and is in threaded connection with the expansion pipe, and a veneer installation assembly is arranged in the round hole. The leveling assembly is arranged in the leveling plate and can adapt to high-low effect arrangement of veneer design, the locking screw disc is manually rotated by the leveling plate, operation is easily completed, and the leveling action is easy and effective to operate.

The utility model discloses an exhibition wall structure for a museum, which is arranged in a wall body and comprises two first support plates arranged in the wall body, and a cavity is formed between the first support plates; the first supporting plate is connected with a first wall plate through a first sliding mechanism, and a first picture frame groove is formed in the first wall plate; second supporting plates are symmetrically arranged in the cavities respectively, connecting plates are connected to the second supporting plates through second sliding mechanisms, guide mechanisms are arranged on the connecting plates, second wall plates are connected to the outer ends of the guide mechanisms, second picture frame grooves are formed in the second wall plates, connecting rods are connected to the lower ends of the second picture frame grooves, and the connecting rods penetrate through the connecting plates to be rotationally connected with guide wheels; a guide plate is arranged between the second supporting plates, a guide groove is formed in the guide plate, and the guide groove is in rolling connection with the guide wheel; the first wall plate and the second wall plate are connected through a driving mechanism. Two exhibition pictures can be placed on the exhibition wall, the area of the wall surface is effectively utilized, meanwhile, the positions of the exhibition pictures can be vertically exchanged, and the exhibition pictures can be conveniently watched.

The present invention provides a power supply control circuit and device with switchable input and output, wherein the power supply control circuit comprises a first connector; a first circuit, connected to the first connector and the power supply, respectively; a second connector; a second circuit, connected to the second connector and the power supply, respectively; a controller, connected to the first circuit and the second circuit, respectively; when the first connector is the input end of the power supply, the control circuit controls the second circuit to be an output circuit, so as to control the output voltage of the second connector by controlling the disconnection or conduction of the second circuit; when the second connector is the input end of the power supply, the control circuit controls the first circuit to be an output circuit, so as to control the output voltage of the first connector by controlling the disconnection or conduction of the first circuit. The beneficial effects of the present invention are as follows: the input circuit and the output circuit of the first circuit and the second circuit are interchangeable, and the first connector and the second connector can use the same connector, and the phenomenon of inserting the wrong connector interface is avoided.

The utility model discloses a kind of material distribution transfer devices for ship unloader, it includes first conveyor belt, second conveyor belt, electric push rod, material distribution hopper;The first conveyor belt and second conveyor belt are side by side arrangement, the material distribution hopper is located above first conveyor belt and second conveyor belt, the material distribution hopper includes upper and lower opening rectangular cylinder, the middle part of the rectangular cylinder is equipped with baffle and is divided into first cylinder and second cylinder;First inclined plate is equipped in the first cylinder;Second inclined plate is equipped in the second cylinder;Material distribution hopper both sides are respectively arranged one track and sliding assembly, and the sliding assembly is connected with material distribution hopper by connecting rod;Electric push rod is fixedly installed between first conveyor belt and second conveyor belt, and the moving end of electric push rod is fixedly connected with material distribution hopper.This device adopts the mode of material distribution hopper and exchanges discharge port, achieves the purpose of left and right material distribution, improves anti-blocking capacity and work efficiency.

The invention discloses a measuring unit and method for measuring the heat exchange efficiency of various falling film heads, the measuring unit is provided and comprises a falling film evaporation module and a cold source and heat source module, and heat sources and cold sources with various temperatures can be provided for the falling film evaporation module through the cold source and heat source module. A measuring unit is used for measuring the evaporation capacity of the falling film evaporator per hour, the evaporation capacity comprises the evaporation capacity of the falling film evaporator under the conditions that no falling film head is added, the evaporation capacity of the falling film head is added and the evaporation capacity of the falling film evaporator under the conditions that different falling film heads are added, and hot water at various set temperatures and cold water at the set temperatures are used under each condition. After the evaporation capacity is measured, the heat exchange coefficient of the falling film head can be calculated according to a calculation formula, the relatively accurate heat exchange coefficient is obtained through actual measurement, and the heat exchange area just meeting the requirement can be calculated, so that the equipment cost can be greatly reduced.

The invention discloses a power grid material intelligent storage optimization method and device, and relates to the technical field of power grid material storage, the power grid material intelligent storage optimization device comprises a server, the output end of the server is connected with a display module, one side of the server is provided with uniformly distributed goods shelves, and under the cooperation of electronic scales, storage boxes and display screens in the goods shelves, the storage boxes are connected with the display module. The functions of weighing when materials are stored in the storage boxes in the goods shelf and the names, specifications, codes, numbers and the like of the stored materials can be achieved, data of the materials can be known in real time, checking is not needed, human participation is reduced, the accuracy of the data is improved, goods locations and goods information are efficiently guided, accurate management and control and automatic checking of the goods are achieved, and through cooperation of the management work station and the server, the management efficiency is improved. According to the goods shelf, automatic counting, data summarization and data interaction work of goods can be achieved, manual data recording is not needed, the influence of human factors on information such as the number is completely eliminated, and the overall efficiency is improved while the product management efficiency is improved.

The present invention discloses a digital embroidery, printing and hot stamping machine with multiple head groups, characterized in that it comprises: a conveying device and a working device; the working device comprises a digital embroidery, printing and hot stamping working table; the digital embroidery, printing and hot stamping working table comprises a working table, an embroidery, printing and hot stamping three-head group and a driving mechanism; the embroidery, printing and hot stamping three-head group is arranged on the driving mechanism, and the embroidery, printing and hot stamping three-head group can be moved above the working table respectively; the conveying device comprises a swing frame, and also comprises a power mechanism for conveying the swing frame from a textile area to the working device; the driving mechanism can also make the swing frame move in a vertical direction; the swing frame is connected to the power mechanism through a rotating shaft and forms a gantry structure with the power mechanism; the rotating shaft is provided with a connecting piece at the far end relative to the power mechanism, and the connecting piece is provided with at least two clamping parts for taking and placing textiles.

The utility model relates to the technical field of keyboards, in particular to a multifunctional keyboard with interchangeable accessories, the multifunctional keyboard comprises a keyboard body, main keyboard keys and functional keyboard keys, the keyboard body comprises an upper cover, a PC positioning plate, PO noise reduction cotton, an IXPE shaft lower pad, a PET sound optimization pad, a PCB and a lower cover, the upper cover and the lower cover are buckled to form a cavity structure with an opening in the upper end and a hollow interior, the PC positioning plate, the PO silencing cotton, the IXPE shaft lower pad, the PET sound optimization pad and the PCB are sequentially arranged in the cavity from top to bottom, the main keyboard keys and the functional keyboard keys are arranged at the opening in the upper end of the cavity, and the functional keyboard keys are detachably provided with decorating parts. According to the utility model, the ornament can play a role in decoration and also can play a role in function keys, the appearance modeling is attractive, the use satisfaction degree of a user is high, and the user can place electronic products such as a display screen, a mobile phone or a tablet computer through the arrangement of the placing groove, so that the exchange of accessories is realized.

An optical device and optical switching equipment belong to the technical field of light. The optical device comprises an electrode module, a first liquid crystal layer, a polarization adjustment layer and a second liquid crystal layer, the electrode module is used for applying different electric fields to two opposite edge areas in the liquid crystal layer; the first liquid crystal layer performs first phase adjustment on first polarized light in the light beam under the action of an electric field; the light beam further comprises second polarized light, and the polarization direction of the first polarized light is perpendicular to that of the second polarized light; the polarization adjustment layer performs polarization direction adjustment on polarized light in the light beam passing through the first liquid crystal layer, so that the polarization directions of the first polarized light and the second polarized light are exchanged; and the second liquid crystal layer performs second phase adjustment on the second polarized light in the light beam subjected to polarization direction adjustment of the at least one first liquid crystal layer and the polarization adjustment layer under the action of the electric field. The problem that the performance of the optical switching equipment is poor can be solved, the performance of the optical switching equipment is improved, and the application is applied to the optical switching equipment.