14results about How to "Avoid back and forth" patented technology

The utility model discloses a network wall-mounted case convenient for back wire incoming, which relates to the technical field of network wall-mounted cases and comprises a case body, a connecting shaft connected with a hole, a connecting rod connected with a spring, an inserting rod connected with an inserting groove and a winding block fixed on a fixing plate. The fixing plate is installed on the wall, the fixing block corresponds to the connecting block, the box body is moved downwards to enable the connecting shaft to be inserted into the hole, the pull rod is pulled to enable the inserting rod to move to the maximum limit, the box body is rotated to be attached to the connecting plate, the pull rod is loosened, and the inserting rod returns to the original position and is inserted into the inserting groove. When the rear side of the box body is maintained, the pull rod is pulled to separate the insertion rod from the insertion groove, and the box body is rotated to open the rear side of the box body; when the cables are added, the rear side of the box body is opened, the cables enter from the rear side of the box body, and the redundant cables are wound on the winding block; the problem that comprehensive maintenance can be carried out only after the box body is taken down is solved, repeated taking and placing are avoided, and convenience is achieved; cable incoming and outgoing are facilitated, and the problem of disordered accumulation of cables is solved.

This utility model discloses an integrated machine for laying double-layer plastic film and drip irrigation tape, comprising: a frame; a drip irrigation tape placement shaft mounted on the frame, with two drip irrigation tape rolls sleeved on the placement shaft; a white plastic film placement shaft mounted on the frame, with a white plastic film roll sleeved on the white plastic film placement shaft; a black plastic film placement shaft mounted on the frame, with a black plastic film roll sleeved on the black plastic film placement shaft; and a film pressing shaft assembly mounted on the frame. This integrated machine can lay black and white plastic film and drip irrigation tape completely in one operation, which not only improves agricultural efficiency, but also allows the black plastic film to inhibit weed growth, the laid white plastic film to lower the soil surface temperature and prevent seeds from being burned by high temperatures, while also helping to maintain soil moisture and promote seed germination. The laid drip irrigation tape achieves water conservation and eliminates the need for manual watering.

This invention provides a stacker crane for aisle storage, including a traveling base beam and a stacking device on the traveling base beam. A buffer device is also provided on the traveling base beam, and an adjustment device is installed at the outer end of the buffer device. The buffer device includes a buffer frame on the traveling base beam, with multiple sets of buffer crossbeams fixedly connected to both sides of the buffer frame, defining multiple buffer levels distributed vertically within the buffer frame. Buffer plates are fixedly connected to the multiple sets of buffer crossbeams, and multiple sets of goods are placed on the buffer plates. A conveying component is provided on the buffer plates, and scanning components are provided on the multiple sets of buffer crossbeams. A contact component is provided at one end of each set of buffer crossbeams. This invention improves storage and retrieval efficiency through multi-level buffering and path optimization, achieves real-time monitoring and automatic correction of goods status through intelligent scanning and pressure sensing fusion, and completes high-precision automatic docking based on laser ranging and electromechanical linkage. Ultimately, it constructs a highly efficient, reliable, and fully automated intelligent warehousing and stacking system.

The present invention proposes a quantum-classical hybrid machine learning model construction system, which includes a data set unit, a computing layer unit, an automatic differentiation unit and a model training unit. The data set unit provides optional data set loading services, data set preprocessing services and encoding services to generate a target training set. The computing layer unit builds an initial machine learning model based on the classical and quantum computing layers selected or customized by the user. The automatic differentiation unit provides optional loss function configuration services and differentiator configuration services and automatically configures the classical differentiator based on the initial machine learning model. The model training unit provides classical optimizer configuration services, classical scheduler configuration services and training method configuration services and trains the initial machine learning model into a target machine learning model based on the user's selection. At the same time, in the forward and backward propagation processes of the model training, the gradient information of the machine learning model is automatically updated.

The invention relates to the technical field of fine metal mask processing, in particular to fine metal mask detection and repair integrated equipment which comprises a repair platform and a comprehensive repair head, and the comprehensive repair head is arranged above the repair platform and performs three-dimensional motion relative to the repair platform; the repairing platform comprises a mounting seat, an ESC adsorption platform, a porous ceramic adsorption platform and a backlight mechanism; the comprehensive repairing head comprises a large mounting plate, a dust sticking mechanism, a repairing mechanism, detection mechanisms and a grinding mechanism, the large mounting plate is arranged above the repairing platform in the X direction, the dust sticking mechanism is mounted at the left end of the large mounting plate, the repairing mechanism is mounted in the middle of the large mounting plate, and the detection mechanisms are arranged on the right side of the repairing mechanism in parallel and used for detecting defects on products; the grinding mechanism is mounted at the right end of the mounting large plate; the invention provides the detection and repair integrated equipment for the fine metal mask, which integrates detection and repair, ensures the repair efficiency and precision, and is low in cost and high in repair capacity.

The application discloses a torque control method, device, equipment and medium of an electrically driven vehicle. The method comprises the following steps: acquiring the current rotating speed of the walking driving motor of the electrically driven vehicle in real time; when it is determined that the current rotating speed falls into a torque reduction interval, a target torque control curve is acquired from a plurality of torque control curves, and the output torque of the electrically driven vehicle is adjusted according to the target torque control curve; if the current rotating speed is detected to decrease for the first time during the control process of the output torque according to the target torque control curve, the torque reduction interval is divided into a plurality of hysteresis adjustment intervals according to the rotating speed of the speed reduction point at the time of the first decrease; when it is determined that the torque hysteresis adjustment condition is met according to the real-time rotating speed, the output torque of the electrically driven vehicle is adjusted according to the rotating speed limit value corresponding to at least one hysteresis adjustment interval. According to the torque limiting curve, the application carries out the anti-over-speed control, avoids the back-and-forth fluctuation of the motor torque in the anti-over-speed control process, and improves the driving efficiency and driving comfort.

The application provides a profile automatic feeding and discharging control method, a feeding trolley is moved to clamp a first profile located at a first roller table station, and the first profile is dragged along a feeding roller table until the first profile is completely dragged onto the feeding roller table; after the first profile is cut, a roller bracket is moved to align a second roller table station with a discharging port of a cutting mechanism, and meanwhile, the first roller table station is away from the discharging port of the cutting mechanism; the feeding trolley is moved to clamp a second profile on the second roller table station, and the second profile is dragged along the feeding roller table until the second profile is completely dragged onto the feeding roller table; and during the cutting of the second profile, the first workpiece on the first roller table station of the roller bracket and the remaining first profile excess material are cleaned. The automatic feeding and discharging are realized at the same position, the mechanical structure is greatly simplified, the equipment manufacturing cost is reduced, and the profile cutting efficiency is improved.

The invention provides a straddle-type all-terrain vehicle, belongs to the technical field of vehicles, and solves the technical problems that the existing all-terrain vehicle is poor in side tipping and suspension stability, and cannot perform stable multi-directional damping and buffering on the straddle-type all-terrain vehicle. A straddle type all-terrain vehicle comprises a main vehicle frame, a wrapping piece fixedly connected to the surface of the main vehicle frame, mud guards connected to the two sides of the wrapping piece, a handle rotationally arranged above the main vehicle frame, a saddle fixedly installed in the middle of the main vehicle frame and walking wheels rotationally connected to the two sides of the vehicle frame. According to the shock absorption device, through the arrangement of the shock absorption assembly, the installation position and the installation angle of the shock absorber are changed, the space utilization rate of the bottom of the vehicle is increased, the shock absorption effect on the vehicle in the depth direction is achieved through the obliquely-arranged shock absorber, and compared with existing up-down shock absorption, the shock absorption direction is more, and the shock absorption effect is better. Multidirectional vibration energy generated on the uneven ground can be effectively absorbed, and the stability and comfort of a vehicle are improved.

The utility model discloses a low-noise water dripping wheel which comprises a main shaft, a bearing, a line wheel assembly, a gear and an elastic piece. The bearing is arranged at one end of the main shaft, the line wheel assembly is arranged on the main shaft and the bearing in a matched mode and located on the inner side of the bearing, the gear is arranged at the end, close to the bearing, of the main shaft and located on the outer side of the bearing, and the elastic piece is arranged between the bearing and the gear. And the elastic piece is arranged to prevent the bearing and the gear from moving back and forth in the axial direction of the main shaft, so that the generation of vibration noise is effectively reduced, the throwing and transmission of the water dripping wheel are more silent, the product quality is improved, the experience feeling of a user is greatly improved, and the existing requirements are met.

The utility model provides a medicine dispensing workbench, which comprises an upper cabinet, a medicine dispensing operation area, an operation table top and a lower cabinet, and is characterized in that the medicine dispensing operation area is positioned between the upper cabinet and the operation table top, and the lower cabinet is positioned below the operation table top; the upper cabinet comprises an upper cabinet door; the medicine dispensing operation area comprises a middle partition, the middle partition divides the medicine dispensing operation area into at least two medicine dispensing areas, at least two layers of supporting strips are arranged on the two sides of each medicine dispensing area, medicine trays are placed on the supporting strips when placed in the medicine dispensing areas, and medicine boxes are placed in the medicine trays. The lower cabinet comprises a lower cabinet door and at least one drawer, the at least one drawer is arranged between the operation table top and a cabinet cavity of the lower cabinet, supporting rails are arranged on the two sides of the interior of the cabinet cavity, and medicine baskets are placed on the supporting rails when being placed in the cabinet cavity of the lower cabinet. According to the medicine dispensing working table, the structure of the upper cabinet, the lower cabinet and the table top is adopted, the medicine dispensing working table is divided into a plurality of storage areas and one medicine dispensing operation area, functions are more complete, and division of the storage areas is finer.

The utility model discloses a modularly-designed drill rod supporting device and a drill jumbo propelling device adopting the same, which are characterized in that a guide sleeve is embedded and mounted in an inner cavity of a drill rod supporting seat, and a limiting plate is inserted to be cushioned below the guide sleeve to limit up and down, so that the drill rod supporting device is prevented from moving up and down in the drill rod supporting seat. Meanwhile, a first through hole is formed in the bottom face of an inner cavity of the drill rod supporting support, a clamping groove is formed in the bottom face of the limiting plate, a limiting space is formed after the first through hole and the clamping groove are aligned, the limiting rod is inserted into the limiting space from one side and then stretches out from the other side, and a second through hole is formed in the stretching-out end of the limiting rod. And the bolt is inserted into the second through hole to fix the limiting rod, so that the axial limiting of the guide sleeve is realized, and the guide sleeve is prevented from moving back and forth in the drill rod supporting seat. When the guide sleeve needs to be replaced, the plug pin is pulled out firstly, then the limiting plate is taken out, the guide sleeve can be taken out, and the whole device is very convenient to assemble and disassemble. In addition, the whole drill rod supporting device is a modular assembly, and the universality of the drill rod supporting device is improved.

The utility model discloses a chair with a replaceable seat back soft package, which relates to the technical field of chairs, and comprises a cushion frame, a backrest frame, two armrests, a back cushion and a limit component, a plurality of universal wheels are uniformly fixed at the bottom of the cushion frame, the backrest frame is fixed on one side of the cushion frame, the two armrests are symmetrically fixed on two sides of the cushion frame, the back cushion is arranged in the backrest frame, and the limit component is arranged on the backrest frame. The limiting assembly comprises limiting shafts, the top of the backrest frame is in a Y shape, the multiple limiting shafts are located at the corners of the backrest frame respectively, through the arranged limiting shafts, when the back cushion is inserted into the backrest frame, the limiting shafts located at the corners of the backrest frame protrude out of the back cushion, the backrest frame is limited, the back cushion can be rapidly installed, and bolts do not need to be used.

The invention belongs to the field of AGVs, and relates to an AGV swing bridge structure and an AGV. According to the AGV swing bridge structure, the swing bridge structure is installed on a vehicle body chassis through a bearing seat and a swing bridge rotating shaft, the bearing seat comprises a double-face bearing cover, a U-shaped inner fixing plate and a U-shaped outer fixing plate, the double-face bearing cover comprises a rectangular plate and a cylindrical boss, and the cylindrical boss penetrates through a lower round hole of the U-shaped fixing plate to be installed on the U-shaped fixing plate; a thrust ball bearing is installed on one side of the cylindrical boss, a deep groove ball bearing is installed on one side of the rectangular plate, and the two ends of the swing bridge rotating shaft are rotationally connected with the thrust ball bearing and the deep groove ball bearing. The AGV comprises a vehicle body chassis, an AGV swing bridge structure, an upper fixed panel, an upper lifting panel and a lifting mechanism. The axial impact force bearing capacity of the swing bridge structure is improved through the thrust ball bearing, radial bearing and axial limiting and pushing are achieved through one bearing seat, and the swing bridge rotating shaft can be pre-tightened through the deep groove ball bearing to prevent an AGV from breaking down.