13results about How to "Reliable design" patented technology

This invention relates to the field of prefabricated structure technology for energy storage power stations, specifically to a prefabricated foundation structure for an energy storage power station equipment compartment, its design, and construction method. The foundation structure includes prefabricated corbel columns, prefabricated connecting beams, and connecting components. Multiple sets of prefabricated corbel columns are arranged in an array at intervals. Prefabricated connecting beams are provided between adjacent sets of prefabricated corbel columns, and these beams are connected to the prefabricated corbel columns via connecting components. The prefabricated foundation structure for an energy storage power station equipment compartment provided by this invention can significantly shorten the construction cycle and reduce construction costs. By standardizing the production of prefabricated components in a factory, on-site casting work is reduced, avoiding time-consuming processes such as traditional on-site casting formwork and curing, improving construction efficiency and quality stability, and reducing the difficulty of quality control. Furthermore, compared to traditional on-site cast-in-place foundations, this solution can reduce on-site material waste, avoid dust and noise pollution and construction waste accumulation, saving resources and being environmentally friendly.

The utility model relates to a kind of lifting reciprocating components for stuffing forming machine material receiving, the component includes base, side plate, guide rail, sliding block, cutter disc lifting plate, belt lifting plate, cutter disc lifting motor and belt lifting motor, two side plates are vertically fixed in the both ends of base, its inboard is equipped with guide rail, sliding block is mounted on guide rail, sliding block is connected cutter disc lifting plate between, cutter disc lifting motor drives cutter disc lifting plate to reciprocate along guide rail up and down by first crank link mechanism, belt lifting motor drives belt lifting plate to move up and down by second crank link mechanism, belt assembly is provided on belt lifting plate, symmetrically equipped with guide rod on belt lifting plate, guide rod is fixedly arranged in guide seat on base, and its top end is provided with lower supporting plate and upper supporting plate for carrying belt assembly, the utility model realizes the independent accurate lifting of cutter disc and material receiving belt and collaborative operation, movement is stable, material receiving is reliable, effectively improve the production efficiency and product quality of stuffing forming machine.

This utility model relates to a knot-making machine, and more particularly to a rope-cutting device for the knot-making machine, solving the automation problem of rope cutting in knot-making machines. It includes a machine base, on which are provided a material guiding mechanism, a material placement rack, a material conveying mechanism, and a rope-cutting mechanism for cutting and transferring materials. The rope-cutting mechanism includes a support, a transverse guide rail, a slide, and a pneumatic clamp. The transverse guide rail is fixedly mounted on the machine base via the support. The slide and the transverse guide rail, and the pneumatic clamp and the slide, are in a limited sliding fit, with the movement directions of the pneumatic clamp and the slide perpendicular. A linkage lifting mechanism is also provided between the pneumatic clamp and the slide. The lifting mechanism includes a lifting motor, a crank, and a connecting rod. The lifting motor is fixedly mounted on the slide, and the output shaft of the lifting motor is fixedly assembled to one end of the crank. The design is simple and reliable, with a high level of automation. Through pneumatic clamping and transfer and cutting with a blade, the rope cutting is stable and efficient, meeting the user's production needs and possessing practicality and economy.

The invention discloses a pod propulsor structure optimization design method based on data driving. Comprising the steps of defining a design variable and an optimization target, constructing a parameterized geometric model, building a full-process automatic simulation analysis framework, generating a sample space through experimental design, obtaining a complete sample data set, constructing a high-precision agent model, carrying out algorithm optimization based on the agent model, verifying optimal design and calculating a data closed loop. And continuously updating the model. According to the method, the trained data driving agent model is utilized, in a huge design space, performance evaluation can be completed only in an extremely short time, the calculation period is greatly shortened, and a global optimal solution set can be rapidly obtained in combination with a global optimization algorithm; according to the method, various factors such as design requirements, test design, an agent model construction method and an optimization algorithm are comprehensively considered, the method can be suitable for structural design of other pod propellers with different production models or different design requirements, and effective guidance is provided for subsequent design of the pod propellers.

The utility model discloses a self-balancing track type crane anchoring device. The self-balancing track type crane anchoring device comprises an anchoring frame, a lower box body, a floating plate, a control assembly, a bolt and an anchoring seat, the anchoring frame is of an isosceles triangle truss structure which is vertically and transversely arranged, and the two waist edges of the anchoring frame are arranged downwards and connected with the upper surface of the lower box body. A floating plate is horizontally and longitudinally arranged in the middle of the upper surface of the lower box body and between the two waist edges of the anchoring frame, the floating plate is horizontally and rotatably connected with the lower box body around the center, and the front and rear ends of the floating plate extend out of the front and rear surfaces of the lower box body; bolts are vertically arranged on the upper surface of the floating plate relative to the front side and the rear side of the lower box body, the lower ends of the bolts vertically and downwards extend out of the lower surface of the floating plate, anchoring seats are arranged on the ground relative to the positions of the two bolts, and the bolts are vertically and slidably connected with the floating plate through driving of a control assembly; and the lower ends of the bolts are inserted into the corresponding anchoring seats. According to the utility model, the loads of the two bolts can be automatically balanced.

The present application relates to the technical field of ultra-precision machining control, and particularly relates to a modal controller generation method for a nano-positioning platform, a medium and equipment. The present application performs zero-pole decomposition on a transfer function of a controlled object, separates stable zero points, unstable zero points, non-resonant poles and resonant poles, constructs a desired inner loop closed-loop transfer function, retains the stable zero points, the unstable zero points and the non-resonant poles, and replaces the resonant poles as a whole with high-damping desired poles, inversely solves to obtain a modal controller structure, introduces zero-pole cancellation constraints to eliminate controller instability caused by unstable zero points, introduces order constraints to ensure causal realizability, applies constraints with a damping ratio greater than 0.1 to the desired poles and the introduced new zero points respectively, and outputs an inner loop modal controller. The present application realizes simultaneous suppression of multiple resonant peaks, gets rid of dependence on a low-order model, ensures stability, realizability and smoothness of a control signal of the controller, and significantly improves control bandwidth and dynamic performance.

The utility model discloses a self-balancing windproof inhaul cable device for a crane. The self-balancing windproof inhaul cable device comprises a balance beam, an inhaul cable, a connecting plate and a base, a balance beam is horizontally and longitudinally arranged in the middle of the bottom of the cart traveling mechanism which is horizontally and transversely arranged, and the middle of the upper end of the balance beam is vertically and rotatably connected with the cart traveling mechanism in the longitudinal direction; inhaul cables are further vertically and symmetrically arranged under the balance beam relative to the front side and the rear side of the cart walking mechanism, and the upper end of each inhaul cable is vertically and rotationally connected with the front end and the rear end of the balance beam in the longitudinal direction; the lower end of each inhaul cable is vertically and rotationally connected with the upper end of the corresponding connecting plate in the transverse direction, bases are further arranged on the ground corresponding to the positions of the two inhaul cables, and the lower end of each connecting plate is vertically and rotationally connected with the upper end of the corresponding base in the transverse direction. And the loads of the inhaul cables on the two sides are kept balanced all the time through free rotation of the balance beam. According to the utility model, the loads of the two inhaul cables and the two bases can be kept balanced all the time.

This invention proposes a method and system for predicting the drag contribution of automotive rear wing designs, belonging to the fields of automotive aerodynamics and artificial intelligence. The method includes: acquiring and preprocessing raw CFD flow field images to generate standardized binary images; extracting flow field depth and tilt angle features from the binary images, using them together as multi-source features characterizing the wake field structure; constructing a deep learning model, using the multi-source features as input, training the deep learning model, and outputting scalar parameters; inputting the flow field image of the automotive rear wing design to be predicted into the trained deep learning model, extracting multi-source features, and combining them with changes in target design parameters to quickly predict the drag contribution using a quadratic function. This invention significantly improves prediction efficiency and has strong generalization ability, providing accurate and efficient decision-making basis for automotive rear wing drag optimization design, and is suitable for rapid iteration and parameter scanning in automotive rear wing design.

The utility model discloses a copper powder stirring barrel feeding alignment auxiliary device, including work table, discharge pipe, receiving pipe and the rotation type mixer between them, and the receiving pipe mouth is coaxial with double -tube. The upper butt joint device is established below the discharge pipe, and the symmetrical lower butt joint device is established above the receiving pipe, and all contain sliding device, butt joint cylinder, alignment platform, ear seat, butt joint pipe and butt joint, and the ear seat is symmetrically established in alignment platform both sides, and the butt joint cylinder is hinged in the ear seat. The butt joint pipe is connected the discharge pipe or receiving pipe through the hose, and the upper butt joint is established below the alignment platform, and the receiving pipe mouth is equipped with the lower butt joint, and the radial homocentricity is guided through the upper / lower butt joint cone surface contact, and the sliding device displacement compensation radial deviation, and the butt joint cylinder drives the alignment platform to deflect and correct the angle deviation around the ear seat, ensures the receiving pipe mouth and butt joint pipe accurate closure in the dynamic operation of the rotation mixer, solves the problem of low fault tolerance of traditional vertical butt joint.

The invention discloses an ultrahigh-frequency ultrasonic transducer capable of generating quasi-unipolar pulses, and belongs to the technical field of ultrasonic transducers. The transducer comprises a backing layer, a high-frequency piezoelectric layer and a combined layer which are sequentially arranged from bottom to top. The combined layer comprises an acoustic decoupling layer, a first high-frequency matching layer, a second high-frequency matching layer, an ultrahigh-frequency piezoelectric layer, an ultrahigh-frequency polymer matching layer and an ultrahigh-frequency metal matching layer. A penetrating cavity is arranged between the first high-frequency matching layer and the second high-frequency matching layer, and an acoustic decoupling layer, an ultrahigh-frequency piezoelectric layer, an ultrahigh-frequency polymer matching layer and an ultrahigh-frequency metal matching layer are sequentially arranged in the penetrating cavity in a stacked mode. During working, the high-frequency piezoelectric layer and the ultrahigh-frequency piezoelectric layer can be driven to generate forward waves of high-frequency ultrasonic waves and ultrahigh-frequency ultrasonic waves respectively by reasonably adjusting electric excitation parameters, and the forward waves of the high-frequency ultrasonic waves and the ultrahigh-frequency ultrasonic waves are superposed, so that quasi-unipolar pulses with sharp main lobes and low side lobe levels are synthesized. The problem of pulse trailing of the ultrahigh frequency transducer is effectively solved, the axial resolution is remarkably improved, and meanwhile high detection sensitivity is kept.

The invention belongs to the field of bioinformatics, and particularly relates to a prediction transcript screening method and device for reference-genome-free species. In order to solve the problems that existing software and methods are insufficient in pseudo transcript recognition capacity and high in false positive, the novel transcript screening method is provided and comprises the steps of obtaining input data, preprocessing the data, conducting BUSCO conserved gene matching, conducting ORF integrity detection, conducting ORF homology judgment, conducting ORF length detection and conducting statistical scoring through a fusion confidence coefficient function. And obtaining a final score F of the predicted transcript. The invention provides an efficient, universal and low-use-threshold prediction transcript screening method for reference-free genome species, and the screened transcript is real and reliable, has both efficiency and practicability, and is expected to become a key method for improving efficiency and gene research accuracy of bioinformatics and molecular biology workers in the future.

The utility model relates to handle technical field especially is involved in a kind of handle for adapting Switch2 handle to play;For fixing two handles together, including main part and the holding portion being set at the both sides of main part, holding portion is used to tightly butt handle in the side portion of main part, the insertion slot for butting holding portion is provided at the both sides of main part, and the insertion plate of sliding connection in insertion slot is formed in holding portion;Card slot is opened on insertion plate, and torsion spring and elastic lock catch for clamping card slot are further provided in the inside of main part, and the insertion plate is abutted elastically;Through the ingenious cooperation of torsion spring and elastic lock catch, the fixed cooperation and the elastic movable cooperation of holding portion and main part are realized, and user can easily position handle on holding portion, and then further fix handle by the way of shrinking two holding portions to the middle, which greatly simplifies the installation and disassembly steps of handle on handle.

The utility model provides a kind of positioning device of mould, belong to mould manufacturing technical field, the positioning device of this mould includes positioning seat body, positioning column, adjusting mechanism, locking mechanism and guiding mechanism;Positioning seat body is hollow cylinder, bottom is equipped with bottom surface, and circular through-hole is opened in the center of bottom surface;Stepped positioning column is composed of lower section cylinder and the upper section cylinder of greater diameter;Adjusting mechanism contains adjusting seat and adjusting screw rod, adjusting seat is fixed in seat body side wall, adjusting screw rod passes through adjusting seat and extends into seat body interior, and its end abuts on the side wall of upper section cylinder to adjust height;Locking mechanism is composed of locking bolt and locking block, locking block is placed in seat body, locking bolt is connected with locking block by thread in radial through seat body side wall, and locking block inner arc surface and upper section cylinder outer wall are pasted to realize lock solid;Guiding mechanism contains guide sleeve and guide rod, guide sleeve is fixed in seat body top end, guide rod passes through guide sleeve and is fixedly connected with the top end of upper section cylinder, and it is ensured that column lifting direction is accurate and unbiased.