10705results about How to "Play a buffer role" patented technology

The invention provides a nano generator and a manufacturing method thereof. The nano generator comprises a base, a first electrode, a zinc oxide nano wire array, a macromolecule insulating layer and a second electrode, wherein the first electrode is arranged on the base; the zinc oxide nano wire array vertically grows on a first electrode layer; the macromolecule insulating layer is coated on a zinc oxide nano wire array layer; the zinc oxide nano wire array layer covers the zinc oxide nano wire array, and the second electrode is arranged on the macromolecule insulating layer; and the first electrode and the second electrode are used as a voltage output pole and a current output pole of the nano generator. The nano generator disclosed by the invention adopts a unique structure so that the electric performance output and the stability are effectively improved.

The invention belongs to storage and transportation equipment for detonating materials (detonators), in particular to an anti-explosion container. The anti-explosion container includes an upper cover, a cylinder and a fixed bracket. It is characterized in that the cylinder is composed of an outer cylinder and an inner cylinder, wherein the outer cylinder is a cylinder with an open upper end and a closed lower end. The lower part of the inner cylinder is provided with a lower wave breaking plate. , the upper cover is composed of a top cover plate and a cover wall, wherein the lower end of the cover wall is provided with an upper wave dissipation plate, the cover wall and the upper port of the outer cylinder are connected by splines, and the top cover plate is provided with explosion-venting bolts. The invention can not only ensure safety when the detonating equipment and explosives are transported in the same vehicle, but also can seal the harmful gas generated by the explosion in the container in case of an explosion in the container, and discharge the harmful gas after it is transported to a suitable place. In order to avoid polluting the environment and causing casualties and damage to surrounding personnel and facilities. It has the advantages of flexible and convenient opening and closing, large loading capacity, long service life, and good anti-explosion and explosion-proof performance.

The invention discloses a mobile terminal and a falling protection method thereof and belongs to the technical field of mobile communication. The mobile terminal comprises a display panel, a middle frame, a rear shell, a protection module and a detection module. The middle frame is mounted in the rear shell. The display panel is arranged on the middle frame. The protection module comprises a buffering popup block and a popup block control unit. The buffering popup block is mounted on the middle frame. The popup block control unit is used for controlling the buffering popup block to be popped up when the detection module detects falling of the mobile terminal. At the moment when the mobile terminal falls to the ground, the buffering popup block absorbs the impulse generated in the falling process of the mobile terminal, the instantaneous impact stress of the mobile terminal is reduced, so a module is protected, and a stress concentrated phenomenon is avoided. The buffering popup block is arranged on the middle frame, so the mobile terminal can be protected well, and the problems such as screen breakage and internal module damage resulting from the falling of the mobile terminal can be avoided.

The invention provides a vibroacoustic railway bridge healthiness monitoring apparatus, system and method. The monitoring apparatus comprises a sound collecting device and a communication treatment device, wherein the sound collecting device is used for collecting a sound spectrum generated in the vibration impact of a rail bridge by a wheel excitation source, and the communication treatment device is used for transmitting the sound spectrum; and the bridge healthiness monitoring system comprises the monitoring device and a cloud calculating server, and the sound collecting device is used for collecting the sound spectrum generated in the vibration impact of a rail bridge by the wheel excitation source and sending a signal to the cloud calculating server in real time. The cloud calculating server is used for storing and analyzing the sound spectrum; and the bridge healthiness monitoring method statistically analyzes the deformation of a bridge structure by using the transmission spectrum characteristics of sounds in the bridge structure on the basis of a sound monitoring and fault diagnosing technology and evaluates the bridge healthiness condition. The apparatus, the system and the method have the advantages of simplification of onsite bridge monitoring devices, engineering cost saving, and reduction of the maintenance workload of an online monitoring system through intensive management.

The invention relates to a bone-conduction headphone which comprises an upper cover (1) and a lower cover (2), wherein the upper cover (1) and the lower cover (2) can form a cavity (4) for containing a bone-conduction loudspeaker assembly (3) after closed; the bone-conduction loudspeaker assembly (3) is arranged in the cavity (4); the lower cover (2) is formed by one-step injection molding and is provided with a vibration plane (21); and the bone-conduction loudspeaker assembly (3) comprises a magnet (31), a coil (32) and a buffering ring (33), wherein the magnet (31) is fastened on the inner wall (211) of the vibration plane (21) of the lower cover (2), the buffering ring (33) is sheathed on the magnet (31) and is provided with the coil (32). The invention has the advantages of almost no noise, deep bass, simple structure and low cost.

The invention discloses a compressor unit control method, and aims to provide a compressor energy regulating and controlling method of a modular cold/hot water unit, wherein the compressor energy regulating and controlling method is stable for control, high in control precision and capable of effectively ensuring the working life of the unit. In the invention, the running states of compressors are adjusted together, according to the average water inlet temperature and the water inlet temperature variation rate of sequentially numbered module groups between a water inlet path and a water outlet path, and the compressors can be controlled to start and stop according to a certain order at certain time interval, so that the compressors are started and stopped more smoothly and the impact on the grid is reduced; in an operation process, the number of the compressors to be run can be determined more accurately according to the different working conditions, so that the frequently start and stop phenomena of the compressors are reduced and the start loss is reduced; meanwhile, the compressor units can be ensured to meet load demands faster and more accurately, thus the advantages of saving energy and prolonging the lives of units are achieved. The compressor energy regulating and controlling method disclosed by the invention can be widely applied in the cold/hot water unit control field.

The invention relates to an air floatation high-speed electric main shaft, in particular to an air floatation high-speed electric main shaft for a machining tool. A lower air bearing block assembly 7 is fixed on a thrust bearing 9, the upper part of the lower air bearing block assembly 7 is provided with a stator 6, the front end of a shaft core 5 is provided with a chuck accessory 11, an aluminum water jacket assembly 3 is fixed at the upper opening of a body assembly 10, and a tool changing cylinder assembly 1 is fixed on the upper part of the aluminum water jacket assembly 3; and the middle part of the shaft body of an upper air bearing 4 is provided with an upper air bearing cooling water passage 12. The main shaft is an electromechanical integrated base piece with high revolution number and high precision, has simple and compact structure, and is convenient to install, high in heat dissipation efficiency, multifunctional and convenient for popularization and application.

The invention relates to a modification method of a lithium-enriched manganese-based solid solution lithium battery cathode material. The modification method comprises following steps: (1) prepared Li2MnO3-LiMO2 (M is used for representing at least one selected from Ni, Co, and Mn), and a conductive polymer monomer are uniformly dispersed in an acid solution via ultrasonic dispersion so as to obtain a mixed solution; (2) an oxidizing agent acid solution with a certain concentration is prepared, and is added into the mixed solution, and an obtained mixture is stirred and reacted; and (3) an obtained product is subjected to pumping filtration, centrifugation, washing, and drying so as to obtain the lithium-enriched manganese-based solid solution lithium battery cathode material coated with the conductive polymer. The modification method is simple; the thickness of the coating is controllable; large scale production can be realized; first time irreversible capacity loss of lithium-enriched cathode material is reduced; rate capability of the lithium-enriched manganese-based solid solution lithium battery cathode material is improved; demands on high power lithium ion batteries are satisfied; and the flexible conductive polymer is capable of increasing compacted density of the lithium-enriched manganese-based solid solution lithium battery cathode material, and reducing destroy on the lithium-enriched manganese-based solid solution lithium battery cathode material caused by compacting processes.

The invention provides a novel packing machine. A vertical mounting plate is arranged at the lower half part of the packing machine, a horizontal mounting plate is fixed at the upper part of the vertical mounting plate, a fixing frame is arranged at the upper half part of the vertical mounting plate and wraps the left part, right part and upper part of an article banding station, the mounting plates and the fixing frame are arranged on a rack of the packing machine, and a tape spool is arranged at the lower part of the packing machine; and a movement of the packing machine and a pre-sending belt device are arranged on the horizontal mounting plate, a retreating belt and tensioning belt device is arranged in the movement of the packing machine and comprises a retreating belt mechanism and a tensioning belt mechanism. According to the novel packing machine, all the functional devices are reasonable in configuration and convenient and simple in control, the packing quality can be improved, and the comprehensive improvement of the packing efficiency and the reliable work can be facilitated.

The invention discloses a method for processing e-mail, including that: users register a website server, and transmits a request message for receiving mail to an agent server through the website server, wherein, the request message carries mailbox identifications of at least one electric mailbox bond to users; the agent server downloads mails from a corresponding mail server according to the mailbox identification carried in the request message, and than transmits the updated mail information to users through the website server; the agent server transmits the appointed mail according to a user's selection to the user through the website server. So that users can directly receive mails from one or more mail server by the website server, accordingly reducing the operating complexity of users, and improving users' experience in a certain extent. The invention discloses a communication apparatus and a communicating system.

The invention relates to a first-child-stage parachuting-recovery carrier rocket. The first-child-stage parachuting-recovery carrier rocket is combined by two stages of rockets and comprises a recovery system arranged in a shell of a first-child-stage rocket, wherein the recovery system comprises a speed reducing device and a buffering device; the speed reducing device is arranged at the position close to the interstage section of the shell and comprises a supporting frame connected with the inner wall of the shell; a parachuting device is arranged on the supporting frame and is used for reducing the speed of the separated first-child-stage rocket in the falling process; the buffering device comprises two buffering airbags, one buffering air bag is arranged at the position close to the interstage section, the other buffering airbag is arranged at the position close to the tail section, and the two buffering airbags are used for buffering the first-child-stage rocket in the landing process. The first-child-stage parachuting-recovery carrier rocket has the advantages that the first-child-stage rocket can land smoothly without damage under the common action of the buffering device and the speed reducing device, so that non-damage recovery of the first-child-stage rocket can be realized, and the first-child-stage rocket can be secondarily utilized, so that the launching cost can be reduced.

The present invention relates to a wave energy conversion and power generation system. Said invention is characterized by that it utilizes a flexible surface which can be flexibly bent and fluctuated with wave to receive drive of wave, and utilizes a rope whose one end is tied on the described flexible surface and another end is winded round a rotating wheel to pull said rotating wheel, so that said rotating wheel can be used for converting wave energy into mechanical energy, then utilizes a hydraulic system and a power generator unit to convert the mechanical energy into electric energy.

Valve collet component assembly equipment comprises a protection component, an operation box component, a pressing power component, a pressing limiting mechanism, an air inlet and outlet pressing switching servo mechanism, a pressing chuck, an air inlet and outlet overturning mechanism, a material feeding and conveying mechanism and a pressing supporting mechanism. The pressing chuck comprises a collet pressing cylinder and a collet pressing sleeve. When a valve collet is pressed, the collet pressing cylinder acts on the collet pressing sleeve, so that the collet pressing sleeve is used for pressing two collets which move upwards and are going to be completely disengaged from a spring seat due to the action of a valve ejector rod, meanwhile, the collet pressing cylinder enables a cylinder rod to make up-down reciprocating movement, the collet pressing sleeve is made to pat the collets, it is guaranteed that the collets can completely enter the inside of the spring seat, and the accuracy of valve collet pressing is guaranteed.

The invention discloses a glass smashing machine used for the building industry. The glass smashing machine comprises an outer shell, a feed inlet, a smashing roller, a guide plate, a smashing motor, a discharge outlet and supporting legs. The inner wall of the feed inlet is fixedly connected with an electric heating pipe. The top of the outer shell is fixedly connected with a water spray pipe. The upper surface of the outer shell is fixedly connected with a first crushing motor and a second crushing motor. The shaft extension ends of the first crushing motor and the second crushing motor are fixedly connected with crankshafts correspondingly. The outer shell is internally provided with a first crushing plate and a second crushing plate. Glass garbage is heated through the electric heating pipe, meanwhile, buffering plates and springs are matched, the retention time of the glass garbage in the feed inlet is prolonged, and the heating effect is improved; high-temperature glass is rapidly cooled through cold water, so that the glass becomes fragile and can be easily crushed, and the smashing effect is improved; the glass garbage between the first crushing plate and the second crushing plate can be crushed through crushing blades; and the glass garbage is further smashed through the smashing roller, so that the glass garbage is more thoroughly smashed.

The invention belongs to the technical field of food processing and in particular relates to a stuffed food forming method. The stuffed food forming method comprises the following steps: 1, allowing a wrapper receiving plate to be positioned at a wrapper receiving station of an annular rail, and conveying the wrapper to the wrapper receiving plate at the wrapper receiving station through a wrapper conveying device; 2, moving the wrapper receiving plate and a die assembly device to a stuffing injection station on the annular rail, and injecting the stuffing on the surface of the wrapper through a stuffing injection device; 3, mutually closing die assembly blocks which are positioned on the die assembly device below the wrapper receiving plate and are opposite to each other, coating and forming stuffed foods, and continuously keeping the two closed die assembly blocks be in the state; and 4, simultaneously moving the wrapper receiving plate and the die assembly device to a taken-out station on the annular rail, so that the wrapper receiving plate is opened, and the die assembly blocks which are always positioned in a closed state are separated. According to the die assembly device in the method, continuous pressing force can be provided for the stuffed foods in the processing process, the tightness on the joint part of the wrapper of the stuffed foods can be guaranteed, the wrapper is not open after being pressed for a long time, and the forming rate of the stuffed foods is guaranteed.

The invention relates to a molybdenum disulfide/nitrogen-doped carbon nanofiber composite material and a preparation method and an application thereof. The composite material is of a pipe sleeving structure, a molybdenum disulfide fiber core is arranged in the composite material and a nitrogen-doped carbon nanofiber shell is arranged outside the composite material; and a gap is arranged between the molybdenum disulfide fiber core and the nitrogen-doped carbon nanofiber shell. The preparation method comprises the steps of dissolving ammonium thiomolybdate and polymethyl methacrylate into a solvent and carrying out electrostatic spinning to obtain a polymethyl methacrylate/ammonium thiomolybdate nanofiber; carrying out drying and surface treatment, immersing the nanofiber into a pyrrole/hydrochloric acid solution, dropwise adding a ferric chloride/hydrochloric acid solution and carrying out in-situ polymerization to obtain the fiber coated with polypyrrole on the surface; and washing and drying the fiber, carrying out high-temperature reduction under the condition of taking an argon/hydrogen mixed gas as a protective atmosphere and then carrying out high-temperature carbonization under an argon condition. The composite material has high specific capacity and good cycle stability, and can be used as an efficient and safe novel negative electrode material of a lithium-ion battery.

The invention relates to an unmanned helicopter performance testing platform, belongs to the field of aerospace technologies and aims at solving the problems that the fixing structure is unstable, the balance performance in the movement process is poor and a testing table is damaged in the prior art. The unmanned helicopter performance testing platform comprises a platform body assembly and a flight simulator, wherein an unmanned helicopter is fixedly arranged on an upper platform of a six-degree-of-freedom moving platform, and lifting force data generated during the flight of the unmanned helicopter is transmitted to a computer through a lifting force sensor A which is fixedly arranged on the lower surface of a lower platform of the six-degree-of-freedom moving platform and a lifting force sensor B which is fixedly arranged on the lower surface of an iron plate module, so as to realize performance testing. The unmanned helicopter performance testing platform has the beneficial effects that the action of the unmanned helicopter is provided by virtue of the six-degree-of-freedom moving platform and a positioning sleeve can prevent the helicopter from flying away from the testing table when the flight control of the helicopter fails or an experiment fails; since the lower surface of the lower platform of the six-degree-of-freedom moving platform is seated on the upper surface of a shock absorbing plate, the balance of the unmanned helicopter is kept; the shock absorbing plate, a large compression spring and a small compression spring also play a certain role in buffering.

The invention provides a non-pneumatic safety tire, which comprises a tread, an outer ring, a support body and an inner ring from the outside to the inside in order. The tread is bonded or vulcanized on the outer ring, the support body is arranged between the inner ring and the outer ring along the radial direction and circumferential direction from the outer ring, multiple groups of damping units and support ribs, each group of damping unit consists of two sets of damping structures, and two sets of damping structures are circumferentially disposed with the radial direction as the symmetric axis. The non-pneumatic tire provided by the invention has good bearing capacity, and by means of wheel disk thickening and multiple damping hole diameter change, the bearing capacity of the tire can be enhanced. The non-pneumatic safety tire not only has the carrying capacity and static rigidity characteristics of pneumatic tyres, but also has rationally distributed ground pressure, the abrasion resistance and trip distance of the tire are increased, especially the reasonable distribution of multiple damping holes and support ribs in the radial and circumferential direction can enhance the carrying capacity of the tire and also can improve the static rigidity of the tire.

The invention discloses a lithium cathode used for a lithium battery and provided with a sandwich structure and a preparation method thereof. The lithium cathode is provided with the sandwich structure formed by a conductive current collector, a metal lithium layer and a high polymer material layer. The method for preparing the lithium cathode comprises a first step of preparing an electrode precursor by compounding a high polymer material and the conductive current collector; and a second step of causing metal lithium to enter an intermediate layer of the electrode precursor to form the lithium cathode with the sandwich structure. By introduction of the high polymer material as a protective layer, growth of metal lithium dendrites can be inhibited, the safety of the lithium battery is improved, the volume expansion in the lithium battery cyclic process can be adapted, and an effect of stabilizing an interface is achieved. In addition, the conductive high polymer material can form a conductive network on the surface of the lithium cathode, lithium ions are induced to be deposited evenly, and a buffer effect on the lithium ions can also be achieved under the conditions of high-current charging and discharging. The method is simple to operate, low in cost, has easiness in large-scale production and has great potential application values in the lithium battery.

The invention discloses a mixer feeding device with a dustproof function. The mixer feeding device comprises a dustproof plate, a fan, a dust suction cover, a smashing motor and a feeding cabin. After materials pass through the dustproof plate, the dustproof plate can be tightly attached again under elastic force action of a return spring; thus, environmental pollution caused by dust fly is effectively prevented; a fan is utilized to suck dust floating in air into a dust collection box by a dust suction pipe, and the dust suction cover is arranged to be used for increasing a dust suction area to further improve a dust collection effect and efficiency; environmental pollution caused by dust is further prevented; rotation of the smashing motor is utilized to further drive a smashing blade on a smashing rotation shaft to rotate to smash the materials entering a smashing cabin; the feeding cabin is arranged to achieve a buffer effect and further enable the materials to fall down slowly after passing through the feeding cabin; the materials are prevented from directly falling into the bottom of a following stirring device and affecting a material stirring effect; equipment practicability is further improved.

The invention provides a spacecraft module flexible docking mechanism, belongs to the technical field of spacecraft docking, and specifically relates to a spacecraft module flexible docking mechanism.The problems that the existing rigid conical rod type docking mechanism is complicated in structure, a special energy absorbing mechanism is required, disturbance to the stars is great are solved, and the problems of low connection rigidity and large jitter of the existing flexible conical rod type docking mechanism are solved. The spacecraft module flexible docking mechanism comprises an activeend docking module and a passive end docking module,the active end docking module comprises a guiding head, a flexible rod, a separating component, a connecting and unlocking component, and a drivingcomponent, and the passive end docking module comprises a guiding cone, a bearing section, and a passive end flange.The spacecraft module flexible docking mechanism is mainly used for space docking tasks with spacecraftswhich are sensitive to impact and require precise operation with the aid of autonomous power or robotic arms.

The invention discloses a stripping device for an integrated circuit (IC) chip. The device comprises a mounting plate, a position regulation mechanism, a sliding table mechanism, an ejector pin mechanism and a vacuum generator. The ejector pin mechanism comprises a sleeve, a linear motor, a linear transmission mechanism, a force sensor, an ejector pin seat, an ejector pin clamping piece and an ejector pin, wherein the sleeve is arranged on a sliding table; the linear motor is arranged in the sleeve, and the control end of the linear motor is connected with the output end of an external control center; the linear transmission mechanism is arranged in the sleeve, and the lower end of the linear transmission mechanism is connected with an output shaft of the linear motor; the force sensor is arranged between the output shaft of the linear motor and the linear transmission mechanism, and the signal output end of the force sensor is connected with the input end of the external control center; the ejector pin seat is arranged at the top of the sleeve; an air hole is formed in the surface of the ejector pin seat; the ejector pin seat is connected with an air tube of the vacuum generator through the air hole; the ejector pin clamping piece is arranged in the ejector pin seat, and is connected with the upper end of the linear transmission mechanism; and the ejector pin is clamped through the ejector pin clamping piece. A closed loop force control scheme is adopted, and the chip is stripped on the premise of no damage to the chip, so that the device has the characteristics of safety, high efficiency and high stripping reliability.

The invention provides an electric power cabinet used for outdoor building engineering. The electric power cabinet comprises an electric power cabinet body, supporting legs and a transverse plate. There are two supporting legs. The two supporting legs are fixedly connected through the transverse plate. A bottom portion of the electric power cabinet body is fixedly installed on a top portion of the transverse plate. The electric power cabinet body is located between the two supporting legs. An internal portion of the transverse plate is provided with a cavity. Surfaces of the supporting legs are provided with threads. The electric power cabinet used for outdoor building engineering is provided with a condenser pipe, a water inlet pipe, a water outlet pipe, a water tank and a hydraulic pump. Condensate water in the condenser pipe carries out heat dissipation processing on an inner cavity of the electric power cabinet body. When the condensate water in the condenser pipe is used up, the hydraulic pump is started so that the condensate water in the water tank enters into the condenser pipe through the water inlet pipe and enters into the inner cavity of the water tank through the water outlet pipe; the condensate water in the condenser pipe is recycled; and heat dissipation is accelerated and heat dissipation efficiency is increased.

The invention provides a tandem type oil-electric hybrid unmanned aerial vehicle. The oil-electric hybrid unmanned aerial vehicle comprises a vehicle body, a plurality of electric motors, a plurality of propellers, a fuel oil engine, an alternator, a rectifier, a battery, an accelerator servo and a control circuit, wherein the control circuit detects the electric quantity and charge-discharge status of the battery in real time and controls the rotating speed of the fuel oil engine in a closed manner, thereby controlling the electric quantity of the battery. The tandem type oil-electric hybrid unmanned aerial vehicle has high cruising ability, flies stably and can be applied to remote pipeline patrol and electric line patrol, small-scale express delivery, emergency and relief work which requires high-density takeoff and landing, large-area plant protection operation, long-time unmanned hang photographing, air surveillance, emergency locale information feedback and the like.