53results about How to "Simple and effective structure" patented technology

Inductive transfer methods and structures combine, in a single system, at least two of the three functions of transferring power, communicating data, and sensing position with a vehicle on a guideway. A set of conductors is installed on the guideway to inductively couple a multiplicity of diverse signals with a corresponding set of conductors on the vehicle. The vehicle may be moving or stationary, and signals may be coupled in one or both directions. Coupling is effected without direct electrical contact, through a common region or gap, and the structures provide suitable and precise air gap control for the conductors effecting coupling of each signal. In addition, the windings are arranged with a topology and/or symmetry to cancel crosstalk between different signals.

The invention discloses a staple head assembly of a linear suturing and excising device. The staple head assembly comprises a staple cartridge rack, a staple anvil, a connecting pipe, and a knife pushing rod positioned in the connecting pipe, wherein the side face of the near end of the knife pushing rod is pivotally provided with a safety block, and a boss is correspondingly arranged on the staple cartridge rack or the connecting pipe; under the initial state, the front end face of the far end of the safety block is abutted against the boss and limits the movement of the knife pushing rod and the safety block; under the working state, the cocking surface of a cocking ejector rod is abutted against the rear end face of the near end of the safety block and generates acting force for driving the safety block to pivotally rotate so as to enable the front end face of the far end of the safety block to be separated from the boss for relieving safety. The staple head assembly has the beneficial effects that a safety mechanism positioned in the staple head assembly is provided, so that the conditions that the staple head assembly is mistakenly cocked when the staple head assembly is not completely mounted in place, and normal use of an instrument is influenced by forward moving of the knife pushing rod in the transportation process of the staple head assembly are prevented, the structure is simple and effective, and the staple head assembly is very practical.

The invention relates to a simple rotor mechanism of a coaxial dual-rotor helicopter test stand. The rotor mechanism comprises an inner shaft, an outer shaft, an actuator group, a lower control system, an upper control system, an upper rotor propeller hub and a lower rotor propeller hub, wherein the upper rotor propeller hub comprises a first propeller hub seat, and a first paddle arm arranged on the first propeller hub seat in a full articulation manner; the lower rotor propeller hub comprises a second propeller hub seat and a second paddle arm arranged on the second propeller hub seat in a full articulation manner; the upper control system is connected with the first paddle arm; the lower control system is connected with the second paddle arm; the upper control system is connected with the lower control system via an intermediate draw bar; and the actuator group is connected with the lower control system to control synchronous motion of the first paddle arm and the second paddle arm. The mechanism can achieve collective pitch control and cyclic pitch change of coaxial dual rotors, and effectively achieves various dynamic tests of the helicopter such as upper and lower rotor aerodynamic characteristics of the coaxial dual rotors, dynamic stability of the rotors, and moving part loads of the rotors.

The invention provides a rapid preparation method of three-dimensional ordered macroporous titanium dioxide by using a vacuum filling template method. The method is as below: filling a homogeneous transparent sol, formed by mixing anhydrous alcohol and tetrabutyl titanate, into template gaps in vacuum; then placing the template into a constant temperature and humidity chamber and controlling certain humidity and temperature for gelation; taking out the template and conducting natural air-drying for 24 h; and finally calcining the obtained sample under high temperature in a muffle furnace to remove the template, so as to obtain the three-dimensional ordered macroporous titanium dioxide with specific crystal form. Compared with a traditional method, the method provided by the invention is simple, practicable, and convenient for operation and has high efficiency, short filling time and few filling frequencies.

The invention relates to a nonstandard concrete fracture performance test device, and belongs to the technical field of concrete material performance testing. The nonstandard concrete fracture performance test device comprises power transmission boards and a clamp block group, the power transmission boards are arranged at both ends of a concrete sample, the clamp block group is arranged on the power transmission boards, and is used for clamping the concrete sample, the clamp block group comprises two oppositely-arranged clamping blocks; each clamping block includes a holding part and a mounting plate which are mutually fixed together, the mounting plate is provided with a mounting hole; each power transmission board includes a power transmission board base and an articulated ear fixed on the outer side of the power transmission board base, the power transmission board base is provided with a plurality of fixing holes, and the clamping block blocks and the power transmission boards are fixedly connected by bolts passing through the mounting holes and the fixing holes. The nonstandard concrete fracture performance test device adopts an adjustable structure, is suitable for specimens of different sizes so as to meet the testing requirements of the specimens of different sizes, and has the advantages of simple and effective structure, easy assembly and disassembly, and the like.

The invention discloses a dispersion method for nanometer silicon. The dispersion method comprises the following steps: (1) dissolving nano silicon powder into a polar solvent, and stirring to prepare a nano silicon solution with the solid content of 1-20 percent; (2) pre-dispersing the nano silicon solution by physical dispersion; (3) adding a multi-anchoring-group polyether type super dispersant into the pre-dispersing solution, and uniformly stirring to obtain a uniformly stirred nano silicon dispersing solution. By adoption of a mechanical dispersion and chemical dispersion combining method and selection of the multi-anchoring-group polyether type super dispersant matched with the surface of the nano silicon and the property of the solvent, the nano silicon pre-dispersing solution with higher dispersion property and stability is obtained, and the severe agglomeration problem in application of the nano silicon powder in a silicon carbon negative electrode material is solved.

An optical fiber wire-drawing process is disclosed. The process includes 1) a melting and wire drawing step, 2) a sizing and cooling step, 3) a first coating step, 4) a first curing step, 5) a second coating step, and 6) a second curing step. The step 3) and the step 5) adopt a same central material supplying system. The central material supplying system comprises a material supplying system and a feeding tank. The material supplying system conveys coating to the feeding tank through a pipeline. The feeding tank comprises a temperature control system. The temperature control system controls the temperature of the coating in the feeding tank to be constant. The feeding tank conveys the coating to a coating device. The central material supplying system is adopted to supply and convey the coating in a unified manner, thus reducing labor intensity of workers and ensuring continuity of production. In addition, the temperature control system is utilized to ensure that the temperature of the coating in the feeding tank is constant, thus ensuring that viscosity of the coating fed into the coating device is proper.

The invention discloses a coaxial cable. The coaxial cable comprises a conductive body, a foamed insulating layer, an outer conductor layer, a fiber sleeve and an insulating layer which are arranged from inside to outside in sequence, wherein the fiber sleeve is provided with a framework with frame holes; the framework is made from second fibers in a fusing manner; the framework is fixedly connected with the outer conductor layer and the insulating layer; first fibers are alternately inserted in the frame holes; and the first fibers are connected mutually to form a net shape. The coaxial cable provided by the invention adopts the framework structure made from the second fibers, and the fiber sleeve woven by the first fibers woven with metal wires, so that the coaxial cable is simple in structure, good in shock absorption effect, and relatively high in bending and stretching resistance; due to the fiber material, the metal wires can be woven conveniently, so that the coaxial cable protective layer has a relatively good shielding effect, the cost of the overall cable is relatively low, the weight of the cable is relatively low, and the cable obtains a higher economic effect; and due to the fiber material, the chemical performances of the coaxial cable protection layer can be expanded and improved conveniently.

The invention provides a wallboard structure fatigue testing machine clamp. The traditional clamp is connected with a high-frequency fatigue testing machine through connecting bolts, but the wallboard structure fatigue testing machine clamp provided by the invention utilizes clamping head embossing processing, thereby greatly avoiding stress integration of a clamp body during loading, simplifying the device and facilitating operations. A clamp press plate and a connection plate are connected by utilizing a circular arc groove manner, thereby meeting the requirement of a testing machine on the rigidity of the clamp to the greatest extent; the clamp press plate and a test piece are connected through bolts, and a friction type connection manner is utilized, so that the bolts only exert connection and location functions without bearing a shearing force. According to the wallboard structure fatigue testing machine clamp, the wallboard structure fatigue test requirements and integral design requirements can be met, the structure is compact, the appearance is simple, and the machine is convenient to use and maintain.

The invention provides a network port security electronic lock and a special puller thereof. The electronic lock comprises a network plug and an electronic lock host, wherein the network plug can be aself-locking network plug; the electronic lock host can comprise a USB (Universal Serial Bus) plug, a security port, keys, power state display and internet access state display. The USB plug can be used for supplying power to the security electronic lock. After the network plug is inserted into a network port needing to be controlled, namely the plug cannot be easily pulled out, the network plugcan be pulled out by using the special puller or violently damaging the plug. According to the electronic lock disclosed by the invention, convenient and safe management of the conventional network port can be realized, and physical connection and disconnection of a network of the controlled equipment can be realized.

The invention discloses a respiratory support device, comprising a power supply assembly, a control board, a fan, a greenhouse, a humidifying chamber and a respiratory pipe. Compared with the relatedart, the respiratory support device of the present invention has low cost and good portability.

The invention discloses an automatic label rolling machine. The automatic label crimper comprises a rolling machine body and a base and further comprises a rotary motor arranged in the body, and the rotary motor is connected with a label roller winding drum through a connecting bearing. The automatic label rolling machine has the beneficial effects that the automatic winding effect of labels is achieved, operation and finishing are facilitated, the structure is simple and effective, and durability is achieved.

The invention provides a repaired array substrate, a repairing method and a display panel. The repaired array substrate comprises a substrate body, data lines, scanning lines and thin film transistors, the data lines, the scanning lines and the thin film transistors are arranged on the substrate body, the data lines and the scanning lines are arranged in a criss-cross mode and define a plurality of pixel areas, and each pixel area is internally provided with the corresponding thin film transistor; the thin film transistor comprises a grid electrode arranged on the substrate and connected withthe scanning line, a grid insulating layer covering the grid electrode, an active island arranged on the grid insulating layer and a passivation layer covering the active island; a groove is formed inthe passivation layer in the pixel area with defect points, and the groove is filled with a lightproof coating, so that the pixel area with the defect points is in a dark spot state through the lightproof coating. The repaired array substrate provided by the invention is suitable for repairing the bright spot defects generated in each production process step, and the repairing structure and the repairing process are relatively simple.

The invention discloses a multi-cavity steel plate-concrete composite shear wall and an assembling method thereof, and relates to a multi-cavity steel plate. In order to overcome the defects in the prior art, the invention provides the multi-cavity steel plate-concrete composite shear wall which is simple in structure and convenient to construct and the assembling method thereof. The multi-cavitysteel plate-concrete composite shear wall comprises two panels, wherein the two panels are arranged in parallel. The multi-cavity steel plate-concrete composite shear wall further comprises a plurality of rib plate assemblies, wherein the inner side surfaces of the two panels are connected through the plurality of rib plate assemblies; and the plurality of rib plate assemblies are arranged at equal intervals in the length direction of the panels. The structure and the construction method thereof are simple and effective, can be used in the multi-cavity steel plate-concrete composite shear wall, and have relatively wide application prospects. The invention belongs to the technical field of structural engineering.

The invention belongs to the technical field of city parking equipment, and provides a double-layer lifting type three-dimensional garage. The double-layer lifting type three-dimensional garage comprises a quadrangle translational motion mechanism, a vehicle carrying plate folding unfolding mechanism, a vehicle carrying plate lifting mechanism, asynchronization connecting mechanism and a control system. The quadrangle translational motion mechanism is arranged to be a ten-rod mechanism with a winding engine imputing power. Under traction of ropes, folding and unfolding are achieved by linkageof two parallelogram mechanisms, and pushing out and retracting in of the vehicle carrying plate are achieved. The vehicle carrying plate folding unfolding mechanism is arranged to be a six-rod mechanism, and power is input by the winding engine. Ropes drive sliding blocks to move upwards and downwards to achieve folding and unfolding of the vehicle carrying plate. The lifting function of the vehicle carrying plate lifting mechanism is achieved by winding engine driving vehicle carrying plate. The synchronization connecting mechanism is arranged to be a group of simple straight rods to guarantee the front and rear groups of the mechanisms to move in synchronization and guarantee overall rigidity of the mechanisms. The garage is free of the problem of mutual interference between upper layervehicles and lower layer vehicles, floor space is small, movement is stable, installation is convenient, and fitness for old neighborhoods and for extension and transformation of a garage by a personis achieved.

The invention provides a mechanical transfer arm which comprises a first-stage driving device, a second-stage driving device and a third-stage driving device. A fourth-stage driving device or more can be arranged as needed. The first-stage driving device is connected with the third-stage driving device through a plug pin mechanism capable of being automatically opened and closed, so that three grades of mechanical transfer arms which are nested extend out in sequence, and the maximum extension amount can reach more than 850 mm. The device is concise and effective in structure, and the design pays attention to the compatibility of different ultrahigh vacuum experiment systems, so that the cost is reduced, operation is simplified, and the application range is widened.