117 results about "Dual layer" patented technology

The invention relates to the technical field of composite films, in particular to a food packaging film double-layer composite laminating machine and a laminating method. The method comprises the following steps: acquiring film data and temperature data; a tension fluctuation index is calculated based on tension difference and tension deviation conditions collected by a sensor, and abnormal nodes are screened; analyzing the correlation between the abnormal node and a target node based on the distance between the abnormal node and the unwinding side and the distance between the abnormal node and the winding side and the film compounding speed in combination with a tension fluctuation index so as to screen the abnormal side; adjusting the initial gain coefficient based on the abnormal node and the relevant features of the winding side and the unwinding side to obtain an adjusted gain coefficient; further adjusting the unwinding side based on the temperature to obtain an abnormal gain coefficient; according to different abnormal sides, different weights are carried out to obtain a final gain coefficient, and tension control is realized; and detecting the quality of the produced composite film. The probability of film wrinkling, stretching and the like is reduced, and the quality of finished products is effectively improved.

The invention discloses a video abstract generation method based on double-layer routing sparse attention and space pixel recalibration, and belongs to the field of computer vision. The method comprises the following steps: reading an input video and extracting a frame-level feature vector; constructing a video abstract generation model, and performing channel enhancement on the frame-level feature vector to obtain enhanced features; performing double-layer routing sparse attention and space pixel re-calibration on the enhanced features, and performing fusion to obtain fusion features; and inputting the fusion features into an importance score regression network, outputting frame importance scores, and selecting frames to generate a video abstract. According to the method, double-layer routing sparse attention and space pixel re-calibration are combined, the global dependency relationship and local detail information are effectively fused, and the key segments in the video can be accurately identified while the calculation complexity is reduced. Experimental results based on a SumMe and TVSum reference data set show that the method disclosed by the invention shows a good effect in a video abstract generation task.

The utility model relates to the field of double-disc type floating discs, and discloses a reinforced double-disc type stainless steel floating disc structure which comprises a first hollow floating disc, a plurality of clamping blocks are connected to the top of the first hollow floating disc in a clamped mode, and the tops of the clamping blocks are fixedly connected with the same second hollow floating disc. The floating disc comprises a first hollow floating disc and a second hollow floating disc, a magnetic suction filtering disc is magnetically adsorbed to the top of the second hollow floating disc, a plurality of clamping rods are arranged on the top of the first hollow floating disc in an annular array mode, inserting grooves are formed in the bottoms of the clamping blocks, and the inserting grooves and the clamping rods are connected in a clamped mode. The magnetic suction filtering disc can be adsorbed on the second hollow floating disc for filtering, the rotating rod can be rotated to drive the scraping plate and the brush plate to rotate so as to respectively clean the magnetic suction filtering disc and the plurality of hollow pipes, and the second hollow floating disc is mounted on the first hollow floating disc through the plurality of clamping blocks, so that the second hollow floating disc is convenient to detach and simple to maintain.

The invention discloses a centralized storage and unified management method, system, equipment and medium for a remote video monitoring system of a power generation enterprise, and belongs to the technical field of video monitoring. Identifying a monitoring blind area; replacing equipment according to an evaluation and classification result, and adding a high-definition network camera in a monitoring blind area; constructing a three-layer network architecture comprising an access layer, a convergence layer and a core layer, wherein the core layer adopts redundant connection; optimizing a hard disk video recorder deployment scheme based on the network topological relation; establishing a double-layer storage architecture, and adjusting a data uploading strategy according to a network state and a video recording type; unified access of devices of different manufacturers is realized through protocol conversion; and generating a monitoring interface according to the user role. Scientific classified updating of equipment is realized through a multi-dimensional equipment evaluation model, a transmission path is shortened through network hop count minimization and optimization deployment, bandwidth peak shifting utilization is realized through double-layer storage and intelligent scheduling, and unified and efficient management is realized.

The utility model relates to a double-layer film automatic pipe bending machine which is characterized in that a machine head mounting frame is slidably arranged on a rack along a Y-Z axis, and a power output shaft of a first driving motor is fixedly connected with a driving gear; a rotating shaft is rotatably connected to the machine head mounting frame, and a driven gear meshed with the driving gear is coaxially and fixedly connected to the rotating shaft; a first pipe bending assembly is further fixedly connected to the rotating shaft, a second pipe bending assembly is arranged on the machine head mounting frame, and at least two first pipeline clamping blocks used for positioning and supporting a pipeline are arranged on an action output part of the first pipe bending assembly. Two or more sets of pipe bending mechanism clamping dies and clamps of different models are arranged on one machine head, the pipe bending mechanism clamping dies and clamps are adjusted to be aligned and matched with the steel pipe, in the one-time machining process, the multi-bending-radius machining requirement of the steel pipe is met, the product machining diversity is improved, and the machining efficiency is improved. And by arranging the pipe bending mechanism and the pipe feeding mechanism, the production efficiency and the machining precision are improved.

The utility model relates to the technical field of workbenches, in particular to an auxiliary assembling structure for a double-layer workbench, which comprises a workbench, the auxiliary assembling structure for the double-layer workbench comprises a connecting rod and an inserting plate, the inserting plate is connected with a clamping block through an inserting block, the connecting rod is connected with a disc, the disc is connected with a sliding block through a transmission rod, and the sliding block is connected with a sliding block. The sliding block is connected with a clamping block through a rotating plate, and the clamping block is connected with an inserting block through a spring. The workbench has the advantages that the two workbenches are spliced by inserting the inserting plates into the inserting grooves, the clamping blocks can fix the spliced workbenches by buckling the clamping blocks into the clamping grooves, and when the connecting rod is rotated, the disc drives the sliding blocks to slide, so that the springs are compressed, the clamping blocks are separated from the clamping grooves, and separation is completed. The whole device can be quickly spliced and separated, and the connection is tight.

The utility model relates to the technical field of SMT (Surface Mount Technology) processing, and provides a trolley compatible with trays with various sizes, which comprises a supporting assembly, at least one group of single-layer material box assembly and / or at least one group of double-layer material box assembly, the supporting assembly comprises a supporting seat and a plurality of groups of positioning and locking mechanisms arranged on the supporting seat; the supporting base is detachably connected with the single-layer material box assembly or the double-layer material box assembly through any set of positioning and locking mechanism. The single-layer material box assembly comprises a first material disc support. The double-layer material box assembly comprises a second material disc support and a third material disc support, and the second material disc support and the third material disc support are distributed in an up-down staggered mode. Free combination of different material frame assemblies is facilitated, material trays of various sizes can be stored in a compatible mode, material taking convenience is improved, material taking operation of different feeders is facilitated, the overall structure is simple, the manufacturing cost is low, the application range is expanded, and therefore the production and machining technology and the production efficiency are effectively improved.

This invention discloses a long-distance dual-axis self-synchronizing double-layer vibrating tension screen, comprising an excitation device, an upper coarse-pore screen, a fixed screen frame, a floating screen frame, and a lower fine-pore flexible screen. The excitation device includes a rear excitation device mounted on a side plate corresponding to the feed inlet and a front excitation device mounted on the side plate corresponding to the fine slag outlet. The line connecting the central axis of the drive shaft of the front excitation device and the central axis of the drive shaft of the rear excitation device forms a spatial inclined plane, and the angle between the spatial inclined plane and the upper coarse-pore screen ranges from 20° to 45°. The center of mass of the entire screen body is located within the spatial inclined plane, and the distance between the central axis of the drive shaft of the front excitation device and the center of mass of the entire screen body is the same as the distance between the central axis of the drive shaft of the rear excitation device and the center of mass of the entire screen body. This invention can achieve dry screening of moist fine-grained materials with complex particle size distribution, and is particularly suitable for raw coal grading and screening in coal preparation processes.

The invention belongs to the technical field of printed circuit boards, and discloses a board matching machine which comprises a rack and further comprises a double-layer lifting mechanism used for vertically lifting and caching a carrying disc; the roller conveying mechanism is in butt joint with the double-layer lifting mechanism and is used for transversely conveying the carrying disc; the carrying disc stacking mechanisms are arranged on the two sides of the roller conveying mechanism and used for positioning and stacking the carrying discs; the single loading disc backflow conveying mechanism is arranged at the rear end of the roller conveying mechanism and used for backflow of the unloaded disc; the ninety-six-layer carrying disc stacking mechanism is used for caching and extracting multiple layers of carrying discs; the material taking manipulator mechanism is used for taking and placing the materials; through collaborative design and precise control of the double-layer lifting mechanism, the roller conveying mechanism, the single carrying disc backflow conveying mechanism, the ninety-six-layer stacking carrying disc mechanism and the lifting opening and closing conveying mechanism, automatic and continuous circulation of carrying discs and materials between stations is achieved, and the production efficiency is greatly improved.

The utility model discloses a double-layer sealed full-liquid-receiving floating disc, and relates to the technical field of inner floating discs for storage tanks, in particular to the double-layer sealed full-liquid-receiving floating disc. The connecting structure has the advantages of being high in connecting strength, long in service life and stable in operation. The double-layer sealing full-liquid-receiving floating disc comprises a plurality of buoyancy units. Every two adjacent buoyancy units are connected through a connecting beam. The buoyancy unit comprises a buoyancy unit box and upper and lower layers of buoyancy units arranged in the buoyancy unit box; the upper-lower layer buoyancy unit comprises an upper layer buoyancy unit and a lower layer buoyancy unit which are connected up and down; the lower-layer buoyancy unit comprises a first connecting plate, a second connecting plate and a lower-layer prefabricated honeycomb fixedly connected between the first connecting plate and the second connecting plate; the upper-layer buoyancy unit comprises a third connecting plate and a lower-layer prefabricated honeycomb fixedly connected to the lower surface of the third connecting plate; the second connecting plate and the third connecting plate are both hermetically connected with the buoyancy unit box; the ratio of the height of the lower-layer buoyancy unit to the height of the upper-layer buoyancy unit to the height of the lower-layer buoyancy unit is 2: 3.

The invention provides a material frame temporary storage three-dimensional warehouse and a temporary storage method. The material frame temporary storage three-dimensional warehouse comprises at least two three-dimensional warehouse bodies, a stacking channel is formed between the two three-dimensional warehouse bodies, each three-dimensional warehouse body is provided with a plurality of temporary storage units in the length direction of the stacking channel, and each temporary storage unit is provided with a plurality of layers of temporary storage positions from bottom to top; the material frame stacking machine is arranged in the stacking channel; the reciprocating type double-station material frame transfer trolley is arranged at one end of the stacking channel, and first jacking and transferring mechanisms are arranged on the two sides of one end of the stacking channel; and the first double-layer material frame conveyor is arranged at the other end of the stacking channel, and second jacking and transferring mechanisms are arranged on the two sides of the other end of the stacking channel correspondingly. The automatic feeding and discharging device has the advantages that full automation of feeding and discharging of the material frames can be achieved, the flexibility and the real-time performance of operation of the material frames are improved, and therefore the production efficiency can be improved.

The utility model discloses a disc type double-sided brick grinding machine, which relates to the technical field of brick grinding machines, is used for solving the problems of low grinding efficiency and large occupied space of the existing double-sided brick grinding machine, and comprises a brick grinding mechanism, a cam disc clamping mechanism, a support table and a feeding mechanical arm, the brick grinding mechanism comprises a base and two brick grinding machine heads arranged on the base in the longitudinal direction, the cam disc clamping mechanism comprises a disc base, a double-layer disc and a driving device, the outer side of the disc base is sleeved with a bearing seat assembly, and a cam is arranged at the top of the disc base; the double-layer disc is provided with a plurality of clamping vacancies and a plurality of arc-shaped grooves, each clamping vacancy is provided with a push plate, and a transmission rod assembly is arranged in an interlayer of the double-layer disc. The double-face brick grinding machine can complete double-face grinding at a time, is small in occupied space and high in grinding efficiency, and well solves the problems that an existing double-face brick grinding machine is low in grinding efficiency and large in occupied space.

The double-layer garbage can comprises a first garbage can body, a second garbage can body and a second sliding rod, the first garbage can body and the second garbage can body are the same in shape and size, a supporting plate is fixedly connected to the side wall of the first garbage can body, the first sliding rod is arranged at the top end of the supporting plate, and a threaded connection groove is formed in the top end of the first sliding rod. A threaded connecting head is arranged at the bottom end of the second sliding rod, the outer side wall of the threaded connecting head is in threaded connection with the inner side wall of the threaded connecting groove, a movable plate is fixedly connected to the side wall of the second garbage can, a sliding hole is formed in the top end of the movable plate in a penetrating mode, and a locking mechanism is arranged on the movable plate. Under the condition that the vertical space is enough, the second garbage can and the first garbage can are vertically assembled, the transverse space is saved, the bottom end of the second garbage can can be used as a sealing cover of the first garbage can, and the structure is simple and practical; the two garbage cans are flexibly assembled and can be freely changed and assembled according to space requirements, and the space utilization rate is increased.

A method includes forming a first layer of a disk, the first layer comprising a first material and forming a second layer of the disk by depositing a second material on the first layer. The method further includes irradiating at least the second layer of the disk to cross-link the second material. The first material has a higher melting point than the second material, and the dual-layer disk is configured to be thermoformed into an oral appliance.

This invention discloses a multi-layer composite sound-absorbing device. The double-layer micro-perforated plate of this invention includes an upper micro-perforated plate and a lower micro-perforated plate, which are connected by a disc spring device. The upper and lower micro-perforated plates are connected around their perimeter by a frame, ensuring the disc spring device between them is compressed. The density gradient porous sound-absorbing material layer is composed of at least two layers of sound-absorbing material with different densities stacked together. This multi-layer composite sound-absorbing device is composed of resonant and resistive sound-absorbing materials, achieving excellent low-frequency broadband sound absorption, effectively solving low-frequency noise pollution problems in substations, converter stations, and other fields. By adjusting the plate spacing to change the compression state of the disc springs, different stiffness characteristics are obtained, thereby enhancing the resonant sound absorption effect for specific frequency bands of noise and specifically improving the sound absorption coefficient of the device for specific frequency bands of noise.

The invention relates to the technical field of SMT (Surface Mount Technology) processing, and provides a trolley compatible with trays with various sizes, which comprises a supporting assembly, at least one group of single-layer material box assembly and / or at least one group of double-layer material box assembly, the supporting assembly comprises a supporting seat and a plurality of groups of positioning and locking mechanisms arranged on the supporting seat; the supporting base is detachably connected with the single-layer material box assembly or the double-layer material box assembly through any set of positioning and locking mechanism. The single-layer material box assembly comprises a first material disc support. The double-layer material box assembly comprises a second material disc support and a third material disc support, and the second material disc support and the third material disc support are distributed in an up-down staggered mode. Free combination of different material frame assemblies is facilitated, material trays of various sizes can be stored in a compatible mode, material taking convenience is improved, material taking operation of different feeders is facilitated, the overall structure is simple, the manufacturing cost is low, the application range is expanded, and therefore the production and machining technology and the production efficiency are effectively improved.

The present invention relates to a double-layer winding film packaging machine, which includes a machine frame and a feeding device, a translation device, a clamping device, and a feeding device arranged on the machine frame. The feeding device: feeds, divides the winding film and seals the lower side; the translation device: translates the winding film with the lower side sealed to the clamping device; the clamping device: clamps and opens the winding film; the feeding device: pours the material into the winding film device and seals the upper end of the winding film. The clamping device includes a clamping seat, a transverse movement track, a transverse movement block, a linkage block, a linkage rod, a transverse movement cylinder, a longitudinal rod, and a clamping jaw. The transverse movement track is arranged on the clamping seat, two transverse movement blocks are slidably arranged on the transverse movement track, the linkage block is arranged on the transverse movement track and is located between the transverse movement blocks, one end of the linkage rod is hinged to the transverse movement block, and the other end is hinged to the linkage block. The transverse movement cylinder is arranged on the clamping seat and constitutes the same-direction or opposite-direction movement of the transverse movement blocks. The longitudinal rod is arranged on the transverse movement block, the clamping jaw is arranged on the longitudinal rod, and the clamping jaw has a clamping position for clamping the winding film. The film suction head is opposite to the clamping position and sucks the side part of the winding film located at the clamping position.

The application discloses an elastic support assembly and an adjustable-inclination disc spring vibrating screen and relates to the technical field of vibrating screening. The elastic support assembly comprises a fixed bottom plate, a disc spring group system, a double-layer triangular plate main frame and connecting bolts; a through hole is arranged in a first layer bottom plate of the double-layer triangular plate main frame; the disc spring group system passes through the through hole of the first layer bottom plate of the double-layer triangular plate main frame and is arranged on the fixed bottom plate; the connecting bolts pass through the fixed bottom plate, the first layer bottom plate and a second layer bottom plate of the double-layer triangular plate main frame in sequence and are used for fixedly connecting the fixed bottom plate and the double-layer triangular plate main frame. The adjustable-inclination disc spring vibrating screen is realized by adopting a support assembly, an adjustable-inclination screen mesh, a driving device and a screen mesh inclination external adjusting device. The application is suitable for vibrating screening in mineral processing.

The utility model relates to the technical field of automation equipment, in particular to a film height detecting and feeding mechanism, which is mounted above a double-layer conveying line and comprises a frame, a detecting unit and a transferring unit, and the detecting unit and the transferring unit are mounted on the frame. Wherein the transferring unit comprises a moving frame which slides on the frame, a driving assembly is fixedly installed at the front end of the moving frame, a suction cup assembly is connected to the front end of the moving frame in a sliding mode, and the driving assembly is used for driving the suction cup assembly to move up and down; the detection unit is used for detecting the number of the films in the material frame to enter the station on the rear side, and when the single layer of the remote controller of the material frame in the station is full, the transferring unit grabs the films in the middle material frame and transfers the films into the material frame in the station, so that automatic feeding of the films is achieved, manual laying is not needed, and the production efficiency is improved. According to the design, the efficiency of the remote controller wobble plate operation can be effectively improved, and the labor input amount in the wobble plate operation process is reduced.

The utility model relates to a tackifying composite film, a single-layer waterproof structure and a double-layer waterproof structure, the tackifying composite film comprises a base layer and a tackifying layer, and the roughness of the upper surface of the tackifying layer is different from that of the lower surface of the tackifying layer. The adhesive tape has the advantages that the tackifying layer and the base layer are high in binding strength and not easy to separate; the temperature-resistant effect is good; the pull-out test effect is good; the cost is low.

The utility model discloses a double-layer easy-to-tear packaging bag which comprises a packaging bag body, the packaging bag body is formed by compositing an inner layer film and an outer layer film, a half-frame-shaped first arc line is cut out of the outer layer film outside the packaging bag, a half-frame-shaped second arc line located in the first arc line is cut out of the inner layer film inside the packaging bag, and the second arc line is located in the first arc line. A bonding area is formed between the first arc line and the second arc line, the bonding area is coated with repeatable bonding glue before the inner-layer film and the outer-layer film are compounded, and permanent glue is adopted for other compounding parts of the inner-layer film and the outer-layer film except for the bonding area; a label is formed by tearing along the first arc line, and an opening in the direction of a second arc line is formed in the packaging bag body. According to the packaging bag, the inner-layer film and the outer-layer film are compounded, and the first arc line and the second arc line are cut open, so that the label and the opening which are integrated with the packaging bag can be formed, waste of materials is avoided, meanwhile, the label does not need to be additionally mounted, and the cost is reduced.

The utility model discloses a full-automatic material transfer platform, which relates to the field of material transfer devices and comprises a fixing frame, the fixing frame comprises two mounting plates, and the two mounting plates are symmetrically arranged on the fixing frame; the fixing frame is provided with a first moving device, the first moving device comprises a first sliding piece, the first sliding piece is arranged between the two mounting plates, the first sliding piece is connected with a first driving piece, and the first sliding piece is provided with a first carrying disc; the fixing frame is further provided with a second moving device, the second moving device comprises a second sliding part, the second sliding part is arranged on the two mounting plates, the second sliding part is connected with a second driving part, the second sliding part is provided with a second carrying disc, and the second carrying disc is arranged above the first carrying disc; according to the full-automatic material transfer platform, double-layer storage and rapid transfer of materials can be achieved, the working efficiency is improved, and flexible adjustment can be conducted according to the requirements of different materials so as to meet the requirements of different production scenes.