32results about How to "Highly adjustable" patented technology

The invention relates to the technical field of three-dimensional measurement, and discloses a structured light three-dimensional detection system, method and device based on optical phased array coding, the structured light three-dimensional detection system comprises an optical phased array module, an acquisition module and a control module, the control module is connected with the optical phased array module and the acquisition module, and the optical phased array module is connected with the acquisition module and the control module. The optical coding module is used for performing phase regulation and amplitude regulation on the optical signal based on a preset regulation instruction to generate an optical coding pattern, and projecting the optical coding pattern to the surface of the to-be-measured object, so that the to-be-measured object reflects the optical coding pattern to generate reflection coding light; the acquisition module is used for acquiring the reflection coding light to obtain a reflection coding pattern; and the control module is used for generating a preset regulation and control instruction, decoding the reflection coding pattern, extracting a coding value and calculating feature information of the to-be-measured object based on the coding value. The problem that the structure light source cannot be adjusted can be solved, and the flexibility and controllability of three-dimensional detection are improved.

The invention relates to the technical field of fluidized beds, in particular to a fluidization coating device with pulse, stirring and double-particle triple synergy, which comprises a spray fluidized bed reactor, a fluidized bed reactor, a stirring device and a double-particle fluidized bed reactor, the gas distributor is positioned above the carrier gas inlet and is used for uniformly distributing carrier gas entering from the carrier gas inlet on the whole bed layer to form fluidized gas; the gas-liquid two-phase flow nozzle is connected with the gas supply unit and the coating liquid conveying tank and is used for atomizing the coating liquid into micron-sized small liquid drops and then spraying the micron-sized small liquid drops into the spray fluidized bed reactor; the mechanical shearing unit continuously generates local mechanical crushing on the aggregate; the pulse air inlet device is connected with the air supply unit and is used for applying periodic pulse airflow to the fluidized bed layer and breaking particle aggregation and channeling formed during initial fluidization; and the flow aiding particles and the fine powder particles to be coated jointly form a double-particle fluidization system. The problems of difficult fluidization starting, non-uniform fluidization and the like of ultrafine powder particles are solved through triple synergy of pulse, stirring and double particles.

The invention provides a tower type secondary reflection type photo-thermal firing technology. A firing object is a working medium which can be prepared only at high temperature, such as cement, ceramic and the like. The system comprises a primary reflecting mirror field, a secondary reflecting tower, a control device and the like, solar rays are converged to a reaction kiln placed on the ground through secondary reflection, a lighting opening of the reaction kiln faces upwards, and a reaction working medium in the reaction kiln is fired. And the control system is used for adjusting the heating temperature of the working medium raw material and ensuring that the working medium is fired within a proper temperature range. Revolutionary clean energy is provided for working media needing high-temperature preparation, solar energy is directly used for firing, the preparation temperature reaches 1000 DEG C or above, greenhouse gas is completely not discharged, safety is high, maintenance cost is low, and compared with a traditional firing process, consumption of a large amount of electric power and fossil fuel is avoided.

The present application relates to compressed air purification technology, and aims to provide a compressed air purification method capable of recycling compressed waste heat and adjusting regenerated gas. The method comprises the following steps: the hot compressed air at the outlet of the oil-free air compressor exchanges heat with the regenerated gas in a waste heat recycling heat exchanger, and is sent to a purifier after being cooled by a cooler and a pre-cooling machine; the purifier keeps the double-tower inlet gas adsorption and regeneration desorption alternately running; the regenerated gas to be heated is introduced into the waste heat recycling heat exchanger for preheating, and is further heated by a proportional regulating valve into an electric heater, and the high-temperature regenerated gas is used for regeneration desorption; in the process, the flow of the regenerated gas is adjusted by the proportional regulating valve, and the CO2 concentration monitor is used to ensure that the predetermined control target is met. The present application fundamentally solves the key problems in the traditional technology, such as poor regeneration gas regulation, high consumption of regenerated gas, and insufficient utilization of the compressed heat of the oil-free air compressor, and fundamentally greatly expands the practicability and universality of the purification process in different industries.

The invention relates to the technical field of preparation of multi-element layered double hydroxides, and particularly discloses a microwave-assisted LDHs organic functionalization method based on steel slag, which comprehensively uses ultrasonic treatment, microwave heating, magnetic field-assisted arrangement, temperature control phase change and laser fine regulation and control technologies, and aims to realize transformation from waste materials to high-performance materials. And meanwhile, the performance of the material can meet strict industrial application standards. The method comprises the following steps: firstly, pretreating steel slag by using an ultrasonic technology, destroying the structure of the steel slag through high-frequency vibration and a cavitation effect, and releasing valuable metal ions; then, the treated steel slag is mixed with an organosilane compound, rapid heating is conducted under the assistance of microwaves, and nucleation and organic modification of LDHs are promoted. Through the series of treatment, the efficiency of recycling valuable materials from the steel slag is remarkably improved, the functionality and application potential of the materials are remarkably improved, and the method is suitable for the fields of high-end electrons, catalysts, environment treatment and the like.

The application provides a kind of carbon nanoparticles-based tidal power generation device, and relates to the technical field of tidal power generation, comprising: floating foundation platform and power generation unit, the floating foundation platform includes base, buoyancy bucket, support rod, power generation unit slot and rotation control system;The base is hollow cuboid, the base is internally provided with rotation control system, the rotation control system is connected with several support rods, a plurality of power generation unit slots are provided on each support rod, the base is connected with buoyancy bucket on both sides through clamping groove, and the base rear side is provided with locking mechanism;The power generation unit is arranged in the power generation unit slot, and the power generation units on each support rod are connected in series with the power generation units on another row in series or parallel connection after being connected in series with each other.The application has the characteristics of low cost and simple preparation, and the formed tidal power generation device can realize stable power output.

The utility model relates to processing equipment technical field discloses a double -position double welding robot workstation, including workstation platform, the bottom surface all around of workstation platform is embedded with support stake, the workstation platform includes pedestal platform, one end of pedestal platform is connected with the central shaft motor, the both sides distribution of central shaft motor has side motor, the top surface middle part of pedestal platform is equipped with the side slide groove of middle slide groove. The utility model discloses through two groups of symmetric distribution's middle slide groove and the same distribution's side slide groove of both sides to the welding robot and the position of the interface platform control, can form the position adjustment in the welding process through the sliding block platform of welding robot bottom end and screw rod transmission cooperation, and the side slide groove of both sides can also cooperate screw rod and drive side slide block and interface platform transmission adjustment spacing, thereby the tooling component of different size length is adapted, and the overall platform is adjustable range big and stable in structure, and the welding point adjustable control property in welding process is improved.

The invention relates to a gas dispersing and heating device and equipment and a method for continuously preparing carbon nanotube in-situ modified glass fibers, the gas dispersing and heating device can directly guide gas into a heating furnace through a gas diffuser, so that the atmosphere of a heating area is stable, and the reaction is stable. According to the equipment for continuously preparing the carbon nanotube in-situ modified glass fiber, two processes of glass fiber surface catalyst layer arrangement and carbon nanotube in-situ growth which are greatly different can be integrated into one set of equipment, and the matching of the processes and the equipment is realized, so that the continuous preparation of the carbon nanotube in-situ modified glass fiber can be realized, and the continuous preparation of the carbon nanotube in-situ modified glass fiber is realized. According to the method, continuous efficient modification of the carbon nanotubes on the glass fibers can be realized, the production efficiency can be greatly improved, the growth consistency and controllability of the carbon nanotubes can be ensured, and industrial preparation of the carbon nanotube in-situ modified glass fibers is facilitated, so that the method is more practical.

The utility model provides a plucked musical instrument with a lattice-shaped structure filled in a musical instrument body, which is used for solving the problem of how to maintain and further improve the acoustic quality of the musical instrument while effectively reducing the weight of the musical instrument in the prior art. A hollow part on a guitar body is filled with a lattice-shaped structure; on the premise of reducing the weight of the guitar body, the plurality of small cavities formed in the lattice-shaped structure enable the guitar body to generate dispersed resonance peak values and mutually compensate frequency responses, so that the excessive protrusion phenomenon of a certain frequency band is reduced, and the acoustic balanced output is enhanced, thereby ensuring the smooth transition of high, medium and low frequencies and the balance of the whole timbre; and the lattice structure can uniformly share vibration and stress in the normal direction and the direction perpendicular to the normal direction, and can also realize multidirectional damping through node internal friction, that is, lattice filling adds internal support while removing part of wood, so that the bending resistance and the pressure resistance of the guitar body are enhanced, and the mechanical distribution of each part of the guitar body is balanced.

The invention relates to the technical field of medical materials, in particular to hydrogel for biological tissue bonding and a preparation method and application thereof. The hydrogel for biological tissue adhesion comprises a first component, a second component, a third component and a fourth component, the first component and the second component form electrostatic interaction, and the third component and the fourth component form a covalent cross-linked structure; the first component, the second component, the third component and the fourth component are all biocompatible components. The hydrogel for biological tissue adhesion provided by the invention has excellent biocompatibility, relatively high adhesion strength and relatively low swelling property.

According to the cooling water intelligent regulation and control platform provided by the invention, the use evaluation module, the regeneration evaluation module and the control module are arranged, so that the use parameters of the cooling water use module and the regeneration parameters of the cooling water regeneration module can be evaluated respectively, and the use evaluation result is sent to the control module; the control module correspondingly controls the intelligent regulation and control platform according to the received use evaluation result and regeneration evaluation result, so that the platform can effectively regulate and control the use and regeneration of the cooling water, and the provided cooling water can meet the requirements of production and life at the same time; the influence on production and life caused by insufficient cooling water is reduced, and unnecessary waste of heat caused by excessive cooling water is avoided at the same time.

The invention relates to a leaky coaxial cable and preparation and application methods thereof. The leaky coaxial cable comprises an inner conductor; the insulator wraps the inner conductor; the outer conductor is arranged on the outer surface of the insulator; the outer conductor is formed by spirally and continuously wrapping strip-shaped flexible copper foil on an insulator; the flexible copper foils of the adjacent circles are in lap joint with a preset length, and the preset length meets the condition that when the bending radius of the leaky coaxial cable is larger than or equal to a preset value, the flexible copper foils of the adjacent circles are kept in a lap joint state; when the bending radius of the leaky coaxial cable is smaller than a preset value, adjacent circles of flexible copper foils are separated from each other to form a gap; and the sheath wraps the outer conductor. The flexible cable can be simultaneously suitable for scenes needing signal coverage or not needing signal coverage, an adaptive signal coverage function can be achieved by changing the lap joint state between the adjacent flexible copper foils of the outer conductor through bending, and the signal coverage degree can be autonomously selected according to the actual situation; therefore, the method has the remarkable advantages of low loss, wide application range, high controllability, high adjustable degree and the like.

The invention discloses a spring exerciser for sheet metal repair, which comprises a support beam, a drawing assembly, two support leg pieces and an abutting seat, the drawing assembly is arranged on the support beam, the drawing assembly is used for drawing a component which is arranged in a recess of a sheet metal in advance, the top end parts of the support leg pieces are arranged on the support beam, the two support leg pieces are respectively arranged on two sides of the drawing assembly, and the abutting seat is arranged on the support beam. A rod part and a ball head part which are arranged up and down and are connected are arranged at the bottom end part of the supporting leg part, strip holes and ball head grooves which are arranged up and down and are communicated are formed in the abutting seats, and the two ball head parts are rotatably arranged in the two ball head grooves respectively; the ball head parts can abut against the groove walls of the corresponding ball head grooves so as to limit separation of the corresponding supporting foot pieces and the corresponding abutting bases, the two rod parts are rotationally arranged in the two strip holes in a penetrating mode respectively, and the rod parts can swing in the corresponding strip holes.

The utility model relates to the technical field of medical instruments, and provides a single-lung ventilation isolating valve which comprises a valve body, an elastic catheter is fixedly arranged at one end of the valve body, a valve cover is clamped at the other end of the valve body, an anti-skid barrel is fixedly arranged in the middle of the valve cover, and a liquid collecting assembly is movably inserted in the anti-skid barrel. The liquid collecting assembly comprises a drawing rod, a moisture absorption pad, a drawing pipe, a threaded cover and a liquid collecting cylinder. The elastic catheter is inserted into the bronchus of a patient to be communicated with the lung, the draw-pull rod is pushed to drive the liquid collecting cylinder to move to the lung of the patient, the draw-pull rod and the draw-pull pipe are made of flexible materials and can be bent and matched according to pipeline bending, and mucus can conveniently pass through the liquid guide holes in the bottom of the liquid collecting cylinder and is adsorbed on the moisture absorption pad. By means of cooperation of the moisture absorption pad and the drawing rod, secretions such as lung mucus of a patient can be attracted, the single-lung ventilation capacity can be adjusted, single-lung ventilation is achieved, operation is effectively assisted, and the working efficiency of medical staff is improved.

The utility model relates to the technical field of welding table structures, in particular to a welding table which comprises a table set, the table set comprises a table frame, fixing base plates are connected to the corners of the left side and the right side of the bottom end of the table frame, adjusting assemblies are movably installed on the left side and the right side of the table frame, and each adjusting assembly comprises a guide rail fixedly connected with the table frame. The outer side of the guide rail is sleeved with a sliding sleeve, and a lifting assembly is arranged on the right side of the sliding sleeve. The output end of the driving motor drives the driving gear to roll on the surface of the rack, then the sliding sleeve is driven to move on the surface of the guide rail, the sliding sleeve moves to control the lifting assembly to move, then position adjustment of a welding machine at the top end of the lifting assembly is changed, and the welding machine can adapt to the welding spot position of a workpiece. The supporting plate is fixed to the outer side of the sliding sleeve, the supporting plate can be pushed through stretching and retracting of the output end of the hydraulic cylinder, and then the welding mechanical equipment is pushed and adjusted through the supporting plate.

This invention discloses a multi-throughput permanent magnet stirring device and method. The device includes a sleeve, a permanent magnet, a permanent magnet rotation mechanism, an A tray, a B tray, a trolley, an annular track, an A telescopic rod, a B telescopic rod, and a control system. The sleeve is nested and assembled with the permanent magnet. The annular track is supported inside the sleeve by the B telescopic rod. The A tray is supported inside the sleeve by the A telescopic rod. The B tray is mounted on the trolley via the tray rotation mechanism. The trolley is slidably assembled with the annular track. Using the permanent magnet stirring device of this application, multiple melts can be stirred simultaneously, enabling diversified and multi-level permanent magnet stirring experiments. It has a simple structure, is easy to operate and maintain, and can be widely used in the field of permanent magnet stirring of metallurgical melts. It can also be used in experimental research, satisfying the needs of diversified laboratory research on the effects of permanent magnet stirring on melt solidification, microstructure, and properties, laying the foundation for future industrial applications.

The invention discloses a vehicle suspension and a vehicle, and belongs to the technical field of vehicles. The vehicle suspension can comprise a spiral spring and a fluid adjusting structure, and the fluid adjusting structure comprises an adjustable sealing cavity; the adjustable sealing cavity is arranged at the upper end of the spiral spring and is at least partially embedded in the spiral spring; the adjustable sealing cavity is used for receiving input fluid or discharging the fluid in the adjustable sealing cavity. According to the vehicle suspension, the height of the vehicle body or the vehicle chassis can be dynamically adjusted and controlled according to user requirements, and high adjustability is achieved.

The invention relates to a strong sunlight resistant APD type laminated laser detector and a manufacturing method thereof, and belongs to the field of photoelectric detector chips. The detector comprises two stacked sub-detectors, the sub-detector I is arranged at the upper part, and the sub-detector II is arranged at the lower part; a filter film I is arranged on the sub-detector II; a bonding layer is arranged on the filter film I and is connected with the sub-detector I and the sub-detector II; the electrode II and the electrode III are provided with through holes so as to be interconnected with a peripheral circuit. The detector is packaged in a tube shell, a light window is arranged above the tube shell, a light filtering film II is arranged above the light window, and a light filtering film III is arranged below the light window. During packaging, the electrode II of the sub-detector I and the electrode III of the sub-detector II are in short circuit. Through optical and electrical design, sunlight currents generated by the two sub-detectors are mutually offset, and only laser signal currents are reserved.

The utility model relates to the technical field of heat exchange, in particular to a micro-channel heat exchanger which comprises a heat exchange shell, snakelike material pipes, a feeding port and a discharging port, a micro-channel heat exchange plate is arranged in the heat exchange shell, the snakelike material pipes are arranged on the left side and the right side in the heat exchange shell, a rear arc-shaped shell is arranged at the top end of the rear side of the heat exchange shell, and a micro-channel heat exchange plate is arranged on the rear arc-shaped shell. A front arc-shaped shell is arranged at the bottom end of the front side of the heat exchange shell, a feeding port is formed in the top of the S-shaped material pipe, and a discharging port is formed in the bottom of the S-shaped material pipe. The detention time of a medium on a heat exchange interface is remarkably prolonged by prolonging a vertical flow path of fluid through the circuitous structure of the snakelike flow channel, a heat conduction time window and energy transfer strength generate a synergistic strengthening effect through the design of the expanded flow channel, and controllable optimization of medium contact time and stable improvement of heat exchange efficiency are achieved. And finally, the time and strength two-dimensional enhancement of the heat energy exchange process is achieved through geometric configuration innovation.

The invention relates to a rare earth oxide coating with adjustable and controllable components and a preparation method thereof, and the method comprises the following steps: adding rare earth acetate into ethanol, then adding a proper amount of complexing agent to promote the dissolution of the rare earth acetate and generate complexing reaction to generate sol, and preparing the coating on a metal substrate through a spin coating process and a heat treatment process. Through a universal wet chemical method, the sol containing yttrium, scandium and all lanthanide series rare earth can be prepared, the corresponding rare earth oxide coating can be prepared through a related coating preparation process, and in addition, the n-element rare earth oxide coating (n is more than or equal to 1 and less than or equal to 17) can be prepared through any kind of mixed sol. The adjustable scheme of the rare earth oxide coating is enriched, and the practicable field of the rare earth oxide coating is widened.

The invention discloses a nano-twin copper patch antenna and a preparation method thereof, and relates to the field of micro electro-mechanical devices, the nano-twin copper patch antenna comprises a nano-twin copper antenna, a dielectric substrate and a protective layer covering the nano-twin copper antenna, the thickness of the nano-twin copper antenna is 0.1-200 [mu] m, and the organization structure of the nano-twin copper antenna comprises a nano-twin structure. The nano-twin copper antenna with the organization structure containing the nano-twin structure is prepared, and the conductivity, the radio frequency performance and the mechanical performance of the nano-twin copper patch antenna are improved.

The invention discloses a high-speed rail distribution and storage day-ahead-intra-day two-stage optimization method considering an emerging market, and relates to the technical field of power system optimization, and the method comprises the following steps: building a multi-element emerging market subject model according to a virtual power plant subject and a load aggregator subject; establishing a high-speed rail energy storage coupling rule based on the multi-element emerging market main body model in combination with a high-speed rail coupling energy storage main body; constructing a scheduling model by taking the minimization of the total operation cost of the high-speed rail as a target, and solving the scheduling model to obtain a day-ahead-intra-day two-stage scheduling scheme of the high-speed rail; by adding the emerging market main body for adjustment, the wind power consumption amount is greatly increased, smooth output of the thermal power generating unit is ensured, the peak regulation capacity of the thermal power generating unit is improved, meanwhile, after the high-speed rail coupling energy storage main body is added, the controllability of high-speed rail distribution and storage is enhanced, the energy utilization rate is increased, the method can better participate in power system optimization scheduling, and the energy utilization rate is increased. And the total operation cost of the system is reduced.

The invention discloses a rapid curing adhesive and a preparation method thereof, and the rapid curing adhesive comprises the following components in parts by weight: 10 to 40 parts of polyurethane modified polyol, 10 to 40 parts of polyester polyol, 10 to 40 parts of diisocyanate A, 0.5 to 20 parts of a chain extender, 0.1 to 5 parts of a catalyst, 1 to 10 parts of a photoinitiator, 100 to 1000 parts of a solvent, 0.5 to 20 parts of a filler, 0.1 to 5 parts of a surface additive and 1 to 20 parts of a curing agent. The polyurethane modified polyhydric alcohol is prepared from hydroxyl acrylate, diisocyanate B and trihydric alcohol. The rapid curing adhesive has the characteristics of high repairing speed, good rubbing resistance and high repairing efficiency.

The invention relates to the technical field of environment-friendly materials, in particular to a protective plate material with high degradation performance and a preparation method of the protective plate material. The protective plate material is prepared from the following raw materials in parts by weight: 60 to 70 parts of polylactic acid, 10 to 15 parts of reinforced fibers, 5 to 10 parts of a composite toughening agent, 2 to 5 parts of a plasticizer and 12.5 to 20 parts of a functional aid, wherein the composite toughening agent comprises polyethylene glycol and polycaprolactone, and the weight m1 of the polyethylene glycol and the weight m2 of the polycaprolactone meet the relational expression: m1: m2 < = 1: 0.2. According to the protective plate material, the mechanical property and the degradation property of the protective plate material can be synchronously improved through the interaction among the polylactic acid, the reinforced fibers, the composite toughening agent, the plasticizer and the functional additive, so that the mechanical property and the degradation property of the protective plate material can be considered.

The utility model relates to the technical field of red sausage processing, and disclose production mincer, including base, driving motor, casing, transmission shaft and inlet body still include: the frame is bolted in the top of base, both sides of the inside top of frame all are bolted with electric hydraulic rod, the output shaft of electric hydraulic rod is bolted with the lifting plate, both sides of lifting plate top all are bolted with the stave, the surface rotation of stave is connected with the crankshaft, the utility model discloses the lifting plate is driven to make the impact block descend by the opening electric hydraulic rod, lets the impact block descend to the shallow place inside the inlet, again through the opening of driving motor to drive transmission shaft, sleeve, crankshaft rotation, cooperate on driving rod, connecting piece and sliding sleeve, let the reciprocating motion of movable column and impact block up and down, replace the staff handheld tool and carry out the work of dredging, higher safety, and the height of impact block is adjustable, prevents the hindering of staff and puts in the meat product.

The invention belongs to the technical field of mineral processing and beneficiation reagents, and particularly relates to a double-phenyl-bridged dihydroximic acid flotation collecting agent and a preparation method and application of the double-phenyl-bridged dihydroximic acid flotation collecting agent. The general chemical formula of the biphenyl bridged dihydroximic acid flotation collecting agent is HO-NHC (= O)-Ar-O-R-O-Ar-C (= O)-NHOH; wherein Ar is an aromatic ring group of which the ortho-position is provided with carboxyl or carboxylic ester group; and R is alkylene with 1-8 carbon atoms. The collecting agent with the double-benzene-ring double-hydroximic-acid structure is expected to have higher selectivity, more stable chelation capacity and higher hydrophobicity at the same time, so that the collecting agent shows excellent collecting effect and separation efficiency in the flotation process, and the defects that an existing hydroximic acid agent is insufficient in selectivity, poor in hydrophobicity and the like are effectively overcome.

The invention relates to a face-centered cubic lattice structure ScN film and a preparation method thereof, and belongs to the technical field of semiconductors. Aiming at the problems of unstable crystal quality, electrical property fluctuation and insufficient process repeatability of the existing nitride film on different substrates, the invention adopts magnetron sputtering to deposit an ScN film on various substrates heavily doped with silicon, sapphire or MgO and the like, and further provides two modes of co-sputtering doping and ion implantation doping to introduce elements such as Si, Mg and the like so as to regulate and control the electrical property; and the thin film can be subjected to thermal annealing treatment at the temperature of 200800 DEG C. The method realizes high-quality controllable preparation of the ScN film, has the beneficial effects of simple process, high substrate compatibility, flexible doping regulation and control, stable crystallization quality and electrical performance and the like, and is suitable for semiconductor devices and power devices.

This invention relates to the field of steel-edged rubber waterstop technology, and provides an extrusion device for steel-edged rubber waterstops to solve the problems of existing extrusion equipment being unable to automatically heat-melt the rubber and steel sheets and rapidly cool the joined area, and unable to adaptively adjust the position of the conveyor wheel according to the undulating and smooth areas of the rubber waterstop surface. A helical blade is fixedly connected to the output shaft of the first motor, a feed box is fixedly installed on the top of the housing, an electric heating tube is fixedly installed in the middle of the helical blade, a connecting shell is fixedly installed at the front end of the support base, and a guide plate is fixedly installed at the front end of the connecting shell. This application not only enables automatic heat-melting of the steel sheet and rubber, but also allows for rapid cooling after heat melting, and can adaptively adjust the position of the conveyor wheel according to the flat area of ​​the rubber waterstop surface.

The drilling machine capable of adjusting the drilling distance comprises an operation box and a rotating disc, a motor is arranged on the right side in the operation box, a bearing is arranged on the left side of the motor, a rotating shaft is arranged on the left side of the bearing, the rotating disc is arranged on the left side of the rotating shaft, and the rotating disc and the rotating shaft are of an integrated structure. A sliding rail is arranged in the rotating disc, a drilling assembly is arranged below the sliding rail and comprises a rotating rod, a connecting block and a spring, and the connecting block is arranged on the outer side of the middle of the rotating rod. In the using process of the perforating machine capable of adjusting the perforating distance, an operator can conveniently adjust the perforating vertical distance according to the thickness and the material of cloth, meanwhile, the perforating machine is suitable for cloth of different thicknesses and materials, full-automatic perforating can be achieved without manual operation of the operator, meanwhile, the perforating speed can be controlled through rotation of the rotary disc, and the perforating efficiency is improved. While regular punching is achieved, the deviation probability is reduced.

The present application relates to the field of electronic technology, specifically to a kind of parasitic medium resonator design method, device and electronic equipment.The design method of the parasitic medium resonator includes: obtaining the field distribution of medium resonator antenna to determine parasitic movement range;According to the parasitic movement range, obtain influence curve, the influence curve includes the influence curve of interval on gain, the influence curve of interval on resonant frequency and the influence curve of interval on working bandwidth, the interval is the distance from parasitic antenna to feed antenna in the medium resonator antenna;Based on the influence curve, determine target parasitic parameter.Through the above-mentioned mode, the position of parasitic medium resonator antenna can be reasonably adjusted to achieve the desired gain and impedance bandwidth, the digital control of the gain, working bandwidth and desired resonant frequency of medium resonator is realized, and the adjustability and applicability of parasitic medium resonator antenna are improved.