33results about How to "Easy to fit" patented technology

The invention relates to the field of automatic cartoning equipment and discloses the automatic cartoning equipment. The automatic cartoning equipment comprises a rack and a carton opening supporting and positioning device installed on the rack. The carton opening supporting and positioning device comprises a supporting frame and an opening supporting mechanism installed on the supporting frame. The opening supporting mechanism comprises a left supporting board, a right supporting board corresponding to the left supporting board and bottom supporting boards located between the left supporting board and the right supporting board; the left supporting board and the supporting frame are in sliding connection and form a left clamping groove; the right supporting board and the supporting frame are in sliding connection and form a right clamping groove; the bottom supporting boards and the supporting frame are in sliding connection and form bottom clamping grooves; the left supporting board is bent towards the right side; the right supporting board is bent towards the left side; and the bottom supporting boards are upwards bent. An outer packing carton can correspond to the cartoning equipment smoothly when objects are loaded into the carton, damage to the edges of the outer packing carton is avoided due to the design of the bent supporting boards, and accordingly the automatic cartoning equipment smoothly operates and improves the packing efficiency.

The invention discloses a strategy selection method based on Actor-Critic framework in deep reinforcement learning. According to the method, a plurality of strategies are kept in an Actor at the sametime; in the reinforcement learning training process, an action state value function in Critic is used for estimating the value expectation of a strategy, an advantage strategy in the strategy is selected or integrated in real time according to the expectation to be output or updated, the purpose is to improve the training speed, and an effective local strategy is generated in training. Therefore,the method has the technical effects of improving the sampling efficiency, increasing the parameter search space and the like for the strategy gradient-based reinforcement learning algorithm using the Actor-Critic framework.

The invention relates to the technical field of flexible screens, and discloses a 3D vacuum sliding fit method of a flexible screen. The method is used for fitting a flexible liquid crystal module onthe fitting curved surface of a screen cover plate. The method comprises the following fitting steps: 1), two moving heads arranged side by side are provided, and the moving heads fit the middle of the flexible liquid crystal module to the fitting curved surface of the screen cover plate; and 2), the two moving heads are driven to move away from each other towards the two sides of the screen coverplate, and in the moving process of the moving heads, the side part of the flexible liquid crystal module is fitted to the fitting curved surface of the screen cover plate. According to the method, the middle of the flexible liquid crystal module is fitted to the fitting curved surface of the screen cover plate by the moving heads, and the side part of the flexible liquid crystal module is fittedto the fitting curved surface of the screen cover plate along with the process that the two moving heads move away from each other; the whole fitting operation is completed along with the process that the two moving heads move away from each other; the fitting operation is simple; the laminating efficiency is high; and the fitting cost is greatly reduced.

The invention discloses a pedestrian re-identification method based on deep learning. The method comprises the following steps: calculating an Euclidean distance between two input data after each stepof dimension reduction or convolution operation while extracting features of a pair of data input into a twin neural network, thereby obtaining an Euclidean distance matrix; and designing a loss function by utilizing the Euclidean distance matrix, optimizing the Euclidean distance calculated by finally using a feature sequence by using the Euclidean distance calculated by an image pair or a high-dimensional feature image pair, and accelerating the training of the network through gradient return and parameter optimization of the network. According to the invention, pedestrian information in anoriginal image is fully utilized, complete image information is used to optimize blurred image features, and network parameters are further optimized, so that parameters between neural networks are easier to fit, and the network training speed is accelerated.

The invention discloses a high-voltage self-centering blind-mating floating connector which comprises a plug and a socket; the plug comprises a jack sleeve, one end, connected with an inner conductor,of the jack sleeve is in insulation connection with a hollow spherical column, an elastic ring is arranged at the ball head end of the spherical column, a fastener is arranged outside the spherical column, and the elastic ring is fixed in the fastener through a support; the socket comprises an adapter plug, one end of the adapter plug is inserted into a first jack, and the other end of the adapter plug is fixedly connected with the inner conductor of the cable. The spherical column in the plug can realize rotation, swing and transverse movement, the creepage distance in the plug and the socket is prolonged through a plastic package process, and the voltage withstanding level is greatly improved in a limited space. An assembling method of the connector comprises the steps of assembling theplug and the socket, realizing connection between the cable and the conductor through a plastic packaging process, realizing simple whole assembling process, and ensuring high-voltage conduction while ensuring firm sealing of the socket and the plug.

The invention provides a refrigerator. The refrigerator comprises a refrigerator body, a first door and a second door installed on the front side of the refrigerator body in a left-right split mode, and a vertically extending sealing beam, wherein the sealing beam is installed on the first door in a mode of doing reciprocating translation motion in the transverse direction of the first door. The refrigerator is configured as: after the first door and the second door are both closed, the sealing beam does translation motion towards the second door to change from a retraction state to an extension state in which the sealing beam seals a gap between the first door and the second door; and before the first door and/or the second door are/is opened, the sealing beam does translation motion to recover to the retraction state from the extension state. The two split doors of the refrigerator have better sealing performance, and noise of opening and closing the doors is lower.

The invention discloses a perforation type double-end bridge joint method for diseased bergamot pear trees, and belongs to the field of bridge joint of bergamot pear trees. The method includes the steps of 1, selecting bridge joint trees; 2, making bridge joint preparation, wherein wounds are treated, scions are collected, and bridge joint time and bridge joint positions are selected; 3, carrying out grafting operation, wherein the scions 10-15 cm longer than the wounds are selected and covered with films in a winding mode, parts 5-10 cm longer than joint intervals are cut away, ends are cut in to a wedge shape, cut faces are made smooth and flat, wedge-shaped joints are chiseled out at grafting positions, the wedge-shaped joints reach deep to xylem by 0.5-1 cm, the width of the wedge-shaped joints is matched with that of the scions, edges are cut to be neat, the scions are inserted into the joints at the corner of 15-30 degrees and fixed in an arch shape without displacement or dislocation, the joints are tightly wrapped till airtightness is achieved, and moisture is ensured; 4, spraying a protective agent, and preventing the scions form being touched; 5, removing the films after healing. The perforation type double-end bridge joint technology for the bergamot pear trees is created, so that the survival rate of the diseased trees reaches 95%, the fruit setting rate is significantly increased, the fruit quality and the disease resistance are significantly improved, and the survival time is significantly prolonged; the perforation type double-end bridge joint technology for the bergamot pear trees is suitable for popularization.

The invention discloses a foam filling type vane rear edge bonding corner and a preparation method. The foam filling type vane rear edge bonding corner comprises foam, a cladding layer, a glass fiberreinforced plastic bonding layer and a locating layer. The foam is matched with the shape of an inner chamber in the area of the vane rear edge bonding corner and used for filling the vane rear edge bonding corner. The cladding layer is arranged outside the foam in a sleeving manner. The glass fiber reinforced plastic bonding layer is arranged outside the cladding layer and the foam in a sleevingmanner. The locating layer is arranged between the glass fiber reinforced plastic bonding layer and a SS face shell. Air among the locating layer, the glass fiber reinforced plastic bonding layer andthe cladding layer is extracted through a vacuum extraction auxiliary material so that the locating layer, the glass fiber reinforced plastic bonding layer and the cladding layer can be flatly and closely attached to the outside of the foam. The foam filling type vane rear edge bonding corner is optimal in structure, convenient to form, good in shape follow-up performance and low in cost; a foam filling method is adopted for producing the rear edge bonding corner, and a bonding corner mold is not needed; a glass fiber fabric is easy to lay, adjust and closely attach and easy and convenient tooperate; the bonding corner can be located precisely; the resin excessiveness phenomenon occurring between a mold closing platform and the bonding corner is avoided; the problem that the bonding corner is crinkled or collapsed is avoided; and the repair cost is lowered.

The invention relates to the technical field of paper tube processing devices, and provides an automatic paper tube erecting device. The device comprises a conveying and transferring mechanism and a paper tube erecting mechanism. The conveying and transferring mechanism comprises a conveying frame, a control box is arranged at the bottom of the conveying frame, conveying rollers are arranged on the conveying frame, the conveying rollers are sleeved with a conveying belt, the conveying belt is connected with a paper tube production line, a photoelectric sensor is installed at the input end of the conveying frame, and a lifting intercepting mechanism is arranged at the side, close to the paper tube erecting mechanism, of the conveying frame; and the paper tube erecting mechanism comprises a base, an erecting frame is arranged on the base, one end of the erecting frame is hinged to the base, the other end of the erecting frame abuts against the base, and a first hydraulic rod used for pushing the erecting frame to erect around the base is further connected between the erecting frame and the base. The problems that in the current paper tube production process, no device capable of being matched with the paper tube production line exists for large paper tubes, manual carrying is mainly relied on at present, the labor intensity is high, and the working efficiency is low are solved.

The invention provides a Doherty power amplifier comprising an unequal power divider, a last stage carrier amplifier, a last stage peak amplifier, a 1/4 wavelength wire and a 1/4 wavelength long impedance transformer, wherein an output end of the unequal power divider is connected with the last stage carrier amplifier, and a coupling end of the unequal power divider is connected with the last stage peak amplifier; the output end of the last stage peak amplifier is connected with an input end of the 1/4 wavelength wire, and the output end of the 1/4 wavelength wire and the output end of the last stage carrier amplifier are merged into the 1/4 wavelength long impedance transformer. The power amplifier provided by the invention has a wider dynamic range, and can still keep relatively high efficiency in the case of more power rollback. Meanwhile, the phase distortion from small signals to P1dB and P3dB is less than 5 degrees, and the Doherty power amplifier is matched with digital predistortion, it is can be fitted by an algorithm model more easily, an ACLR index has greater improvement. Moreover, the size of the PCB can be reduced, and the product cost is reduced.

The invention provides a refrigerator. The refrigerator comprises a box body; a first door body and a second door body that are mounted on the front side of the box body in a left-right opposite opening manner; a vertically-extending seal beam, which can be installed on the first door body in a reciprocating translation mode along the transverse direction of the first door body; two sealing blocks, which are respectively mounted at the upper end and lower end of the seal beam in an up-down telescopic manner; a first driving mechanism, which is used for driving the seal beam to do reciprocatingtranslation transversely; and a second driving mechanism, which is used for driving the two sealing blocks to stretch out and draw back. According to the configuration of the refrigerator, after thefirst door body and the second door body are both closed, the seal beam horizontally moves towards the second door body from a retracting state to an extending state for sealing a gap between the first door body and the second door body, and the two sealing blocks extend out of the seal beam so as to abut against the top wall and the bottom wall of the box body in a sealed mode respectively; and before the first door body and/or the second door body are/is opened, the seal beam translates from the extending state back to a retracting state, and the two sealing blocks retract into the seal beam. The sealing performance between the two hinged door bodies is better, and door opening and closing noise is lower.

The invention relates to an anti-counterfeiting identification method for an image structure of a flexible package portable buckle, which realizes the anti-counterfeiting performance of a flexible package bag by utilizing the uniqueness of body characteristic information of the portable buckle and combining an anti-counterfeiting code. According to the scheme, a new substance does not need to be added on the bag body as an anti-counterfeiting means; the original production process of the bag body does not need to be changed, production equipment does not need to be added, more changes do not need to be made on the anti-counterfeiting code, and the unique is excavated by only utilizing the materials of the flexible packaging bag and the portable buckle and the characteristics of the production process and the simple printed pattern anti-counterfeiting code, so that the flexible packaging bag has an excellent anti-counterfeiting function.

The invention discloses a suction nozzle mechanism for polaroid gluing optical cement assembling. The suction nozzle mechanism comprises a fixed support, an installing sleeve, air cylinders, air cylinder supports, suction nozzles and suction nozzle supports, the installing sleeve is arranged at the top of the fixed support, the front and back faces of the fixed support are fixedly provided with linear sliding rails, the air cylinder supports are fixed to the fixed support and are fixedly provided with the air cylinders, and the air cylinders correspond to the linear sliding rails in a one-to-one manner; and each linear sliding rail is provided with a linear sliding block in a sliding manner, a sliding plate is fixed to each linear sliding block, a piston rod of each air cylinder is fixedlyconnected with the corresponding sliding plate, one suction nozzle support is fixed to the lower end of each sliding plate, one suction nozzle is fixed to the lower end of each suction nozzle support, the suction nozzles on the front and back faces of the fixed support are staggered, and the suction nozzles are located on one straight line. By means of the above manner, sheets can be sucked in avacuum manner to be sequentially glued after reaching the specific position, through cooperation with CCD assembly, the element gluing position accuracy is improved, the distances between the suctionnozzles are adjustable, and universality is good.

The invention discloses a preparation method of diatomite wallpaper, which comprises the following steps of: using a diatomite film as a bottom layer; using a polyester non-woven network layer as a bottom layer; connecting the diatomite film and the polyester non-woven network layer by a bonding layer. The preparation method only is simple in manufacturing, and the manufacturing cost is low.

By means of an assembly type sealing ventilator of a curtain wall, the problems that a traditional ventilator can hardly meet the requirement for diversity of the outer decoration effect of a building curtain wall, and the overall sealing performance is low are solved. The assembly type sealing ventilator of the curtain wall comprises a shell, a ventilation frame and a fastener connecting piece, wherein the shell, the ventilation frame and the fastener connecting piece are fixed to a mounting space of the curtain wall. The assembly type sealing ventilator of the curtain wall is characterized in that the shell is of an assembly type structure composed of a sealing frame and a sealing cover plate, and the assembly type structure is matched with the mounting space of the curtain wall; the sealing frame is formed by assembling front and rear wall plates and two side wall plates into a whole; the sealing cover plate and the sealing frame are connected together in a clamped and sealed mode through a sealing rubber strip and a spring clamp; the ventilation frame is provided with a movable baffle; a rotary shaft of the movable baffle is hinged to the interior of a clamping groove of the sealing frame; a chain motor assembled in the sealing frame is used for controlling opening or closing of the movable baffle relative to the ventilation frame. The assembly type sealing ventilator of the curtain wall is reasonable in structural design and quite convenient to install and maintain, and can be started or stopped flexibly and reliably. By means of the assembly type sealing ventilator of the curtain wall, the size of the mounting space of the curtain wall and the adaptability to shape change are improved, and the overall sealing performance of the curtain wall is further enhanced.

The invention discloses an automobile transverse transfer system which comprises a bottom plate, a transverse moving mechanism is arranged above the bottom plate, the transverse moving mechanism comprises a double-end lead screw, sleeves, inclined rods, a transverse plate, inclined blocks, non-slip mats and rolling wheels, the double-end lead screw is located above the bottom plate, and the sleeves are arranged on the left side and the right side of the outer wall of the double-end lead screw. According to the automobile transverse transfer system, through cooperation of the bottom plate and the transverse moving mechanism, the transverse plate and the inclined block can move upwards through transmission of the inclined rod, an automobile with an accident can be jacked up, force is appliedto an automobile body of the automobile with the accident, and the rolling wheels can roll to move the automobile with the accident to the roadside; the vehicle can be transversely moved to the roadside at the first time after the responsibility determination of the traffic accident is completed without waiting for a long time to wait for the trailer team to move away the traffic accident vehicle, so that the traffic can be quickly recovered when the traffic accident occurs.

The invention relates to a quick connection structure with a magnetic attraction meshing locking function and a connector, an inclined plane groove is annularly arranged on the outer circumference of the head of a socket shell, and a magnet is arranged on the outer circumference close to the head of the socket shell; the head of the mounting body is nested in an inner cavity of the connecting cap, the tail of the mounting body sleeves the outer wall of the connecting cap, a bump groove in the head of the plug shell sleeves a bump on the inner wall of the mounting body in a sliding manner, the tail of the plug shell is nested in the inner cavity of the connecting cap, a sliding groove is formed in the connecting cap, and a connecting part of the head and the tail of the mounting body is arranged in the sliding groove in a penetrating and sliding manner; the protruding block is provided with a locking piece which slides in the radial direction and the axial direction, an elastic component is arranged between the head of the installation body and the plug shell, the head of the connection cap is provided with a plug-in mounting hole for a socket shell to be inserted, and the plug-in mounting hole is communicated with an inner cavity of the plug shell. The connecting cap and the locking piece are both made of magnetic materials. Compared with the prior art, the connector has the beneficial effects that the connector is plugged by using magnetic force, so that the connector is more convenient and rapid to plug, and the connector is automatically locked after being plugged.

The invention discloses a demonstration instrument of a parabola containing a periodic change factor cos[omega]1t, which is mainly composed of a water tank, a small red plastic ball, a guide ring, a compression spring, a vertical guide rod, a motor, a speed change switch and a power supply, wherein the water tank is composed of a set of parallel vertical wells with the bottom being communicated, the small red plastic ball floats on the liquid level of the vertical wells, the compression spring is fixed to the bottom of the water tank, the other end of the compression spring is fixed to a homogenizing disc, the guide ring is fixed to the side wall of the flat side of the water tank, the vertical guide rod matched with the inner diameter of the guide ring penetrates through the guide ring, scales are arranged on the vertical guide rod and used for observing the position of the guide ring, the vertical guide rod is fixed to the homogenizing disc, a rotating shaft of the motor passes through a central shaft of the homogenizing disc, that is, the central shaft of the water tank, the central shaft of the compression spring, the central shaft of the homogenizing disc and the rotating shaft of the motor are on the same vertical line, and the change low of the parabola containing the periodic change factor cos[omega]1t can be demonstrated.

The invention relates to the technical field of pressure-sensitive adhesives for reflective films, and particularly relates to a manufacturing method of a high-elasticity pressure-sensitive adhesive for a reflective film. The pressure-sensitive adhesive comprises the following components in parts by weight: 100 parts of a poly(meth)acrylic acid copolymer, 1.5 to 10 parts of reactive liquid nitrile-butadiene rubber, 0.1 to 0.8 part of an epoxy cross-linking agent, 5 to 10 parts of expanded microspheres and 45 to 60 parts of an organic solvent. The raw materials are selected as components of thehigh-elasticity pressure-sensitive adhesive for the reflective film, and the finally prepared pressure-sensitive adhesive has excellent elasticity, and after the pressure-sensitive adhesive is subjected to external impact, the high-flexibility poly(meth)acrylic acid copolymer and air bags in the expanded microspheres can absorb a certain amount of energy, so that the damage to a product is reduced; meanwhile, the poly(meth)acrylic acid copolymer has excellent initial adhesion and cohesion, so that the product has better constructability, and the pressure-sensitive adhesive can be attached toa base material only by applying a little external pressure during use, is not easy to fall off and warp, and has longer service lifetime.

The invention relates to the technical field of massage in the neurology department, in particular to a foot sole acupoint massage device designed based on a thermal therapy stimulation method and used for the neurology department. The foot sole acupoint massage device comprises a foot massage mechanism, the foot massage mechanism at least comprises a foot end moving mechanism, the foot end moving mechanism comprises a shell and an end moving assembly, the end moving assembly comprises supporting blocks, guide columns, inner shafts, guide rails, mounting sleeves and massage sleeves which are symmetrically arranged, and the surface of each massage sleeve is of a protruding semicircular block structure. The massage sleeve is used for movably rubbing two end parts of the sole; a sole middle moving mechanism is also arranged and comprises a rotating shaft, a cam and an arc sleeve, the arc sleeve is used for circularly extruding a side motor in the middle of the sole, and the side motor is located on the outer surface of the shell. The two ends of the foot sole can be subjected to multi-position adjustment fitting massage through the foot sole end moving mechanism, and then the concave forehead and foot sole can be subjected to fitting contact massage again through the foot sole middle moving mechanism.

The invention belongs to the technical field of metro tunnel anti-collapse structures, and particularly relates to a metro tunnel anti-collapse structure and a corresponding construction method thereof.The metro tunnel anti-collapse structure comprises a base, a cavity is formed in the base, an electromagnetic plate is embedded in the cavity, and the electromagnetic plate is fixedly connected with a permanent magnet pressing plate through a plurality of reset springs; the permanent magnet pressing plates are slidably connected with the cavities, a plurality of sliding cavities are formed in the lower end of the base, inserting rods matched with the permanent magnet pressing plates are slidably connected into the sliding cavities, and clamping mechanisms matched with the inserting rods are arranged on the inner walls of the two sides of each sliding cavity. The supporting plate can be controlled to ascend and descend, then a user can adjust the height of the supporting plate according to needs, the device can control the permanent magnet pressing plate to collide with the inserting rods in a reciprocating mode so that the inserting rods can be rapidly inserted into the ground, and complexity and labor loss caused by manually knocking the inserting rods to be inserted into the ground are avoided.

The invention relates to a method for preprocessing pictures in a video saliency detection task, in particular to a method for judging the correlation between the pictures read by the video task and the task and screening before a video frame is input into a deep learning model as a judgment basis, and belongs to the field of computer vision. Aiming at the problems that an existing video saliencyidentification technology does not have an effective identification model reading frame and is not suitable for a multi-scene video, the method realizes a function of adaptively reading a picture by amodel through a method of carrying out redundant picture detection and scene switching identification in picture reading, and improves the accuracy of the model. The method is packaged, the packagedmodule can be added into any deep learning model for processing video tasks, and the robustness of the model for various video scenes is improved. The to-be-tested pictures are concentrated before being input into the model, and the pictures irrelevant to the task are removed, so that the deep learning model is easier to fit.

The invention belongs to the technical field of machine learning and artificial intelligence, and particularly relates to a method for constructing a joint embedding model based on a regular flow automatic encoder. The invention aims to create a new attribute network low-dimensional embedded model, and the model not only solves the defects of the prior art, but also has better performance than theprevious work. Therefore, the invention provides the F-CAN and a joint embedding model based on the regular flow. Different from the conventional algorithm, although the model also takes the topological structure and the attribute information of the attribute network as the input, the model not only outputs the low-dimensional expression of the nodes, but also outputs the low-dimensional expression of the attributes, and the low-dimensional expression of the attributes and the low-dimensional expression are located in the same space. Besides, aiming at the problem that posterior probability hypothesis in a joint embedding model is too simple, the invention provides a double-regular-flow method, parameters of the model are increased, the posterior probability hypothesis can fit the real posterior probability more easily, and therefore better performance is obtained.