2817results about How to "Guaranteed fixed effect" patented technology

The invention relates to a cooking apparatus forming a cooking chamber, a locking/unlocking means, a pressure control means (6), a selector (15) for controlling the locking/unlocking means and the pressure control means (6), characterized in that it comprises a first transmission component (17) which is able to move in relation to a moving device consisting of the locking/unlocking means or the pressure control means (6) and is designed to act on the position of said moving device, said first transmission component (17) being designed to move while the selector (15) remains immobile and/or to remain immobile while the selector (15) moves. Pressure cooking apparatus.

The invention relates to a sealed small low-impact release screw bolt. The bolt comprises an inner cylinder (1), a shear pin (2), a wedge block (3), a piston (4), a sealing ring (5), a double O-shaped ring sealed baffle (6) and an outer cylinder (7). The bolt is characterized by small size, sealing type, low impact, strong connection and no pollution. Before separated, the two polars of the connected body form strong connection; and when separated, the two polars of the connected body can be safely and fast separated and generate low impact disturbance, thus the bolt is a pyrotechnic connection separating device with good comprehensive performance, and can be directly used in the stage separating systems of the missile and other spacecrafts, also provide beneficial reference for the design of the similar separating mechanism, have good application prospect.

The invention discloses an Internet of Things identity authentication method and device and an electric power Internet of Things identity authentication system, and the method comprises the steps thata terminal obtains a terminal identity and a private key from a terminal password server, and obtains a second public key corresponding to a service provider password server; encryption request information is generated according to the terminal identity, the private key and the second public key, and the encryption request information is sent to a service provider password server; the service provider password server receives the encryption request information and obtains an identification password public parameter of the terminal password server; decryption and signature verification are performed on the encryption request information, and if signature verification is passed, an encryption service private key corresponding to the encryption request information is generating and the encryption service private key is sent to the terminal; and the terminal decrypts the received encryption service private key to obtain a service private key. Through the implementation of the invention, additional online identity authentication is not needed, the interconnection and intercommunication complexity of the Internet of Things system is reduced on the basis of meeting the application requirements of the power Internet of Things system, and the user experience is improved.

The invention discloses a fine flaky-cryptocrystalline mixed graphite separation technique which comprises the following steps: primary rough grinding and rough separation, quintic regrinding and sextic concentrating, and middling centralized processing. According to the technique, in the rough separation step, the grinding fineness is -0.074mm, and the content is 90-95%; in the concentrating step, the regrinding fineness is -0.045mm, and the content is 90-95%; and thus, the graphite monomer is sufficiently dissociated, thereby sufficiently ensuring the fixed carbon content and recovery rate of the concentrated concentrate. The technique adopts gradually decreased low concentrating concentrations in multiple concentrating process to ensure the dispersity of ore slurry, thereby solving thesevere problem of entrapped impurities in floatation foam; and thus, in the final concentrate, the fixed carbon content is 91.35%, and the recovery rate is 91.30%, thereby solving the problems of lowtechnical indexes, low grade, low recovery rate and high cost in the fine flaky-cryptocrystalline mixed graphite concentrate separation, so that the fine flaky-cryptocrystalline mixed graphite ores are utilized in an efficient, economical and reasonable way.

The invention discloses a highway-railway convertible car, comprising a highway container semi-trailer, a one-position traction bolster assembly, a two-position traction bolster assembly, a coupler buffer device, a bogie and an air and manual brake device. The highway container semi-trailer comprises a frame, container locks, ground jacks, a suspension damping system and protective devices. Two parallel centre sill assemblies are welded by adopting connection plate assemblies, to form the main part for bearing the railway longitudinal force; a secondary hook and a primary hook serve as the connectors and are connected with traction bolster assemblies at the head and the tail, so that the highway-railway convertible car can meet the requirement of railway transportation; when the highway-railway convertible car is used for railway transportation, a rear protective device is overturned upwards from the outside of the car around a rotating shaft, so that the requirements of assembling the railway bogie and the car body are met; and the suspension damping system adopts vibration damping gasbag and lifting gasbag structures, so that the matching of the highway container semi-trailer, a highway semi-trailer tractor and the bogie of the highway-railway convertible car during the conversion between highways and railways and the requirement of the gap between the road tire and the lower margin during railway transportation are met.

The invention discloses a flexible assembling fixture, which comprises a working platform, a positioning flat ruler arranged on the working platform, a height positioning rod and a bearing fixture block, wherein the working platform is provided with a plurality of rows of mounting hole sites transversely and longitudinally; the positioning flat ruler is provided with a bar sliding site hole and a positioning round hole, and the positioning flat ruler is moveably connected with the mounting hole sites through the sliding site hole; the height positioning rod comprises a fixed rod of which the bottom is inserted in the positioning round hole and an adjusting rod movably sleeved in the fixed rod, the fixed rod is provided with a locking mechanism and is locked with the adjusting rod through the locking mechanism, and the other end of the adjusting rod is also provided with a limiting groove; and the bearing fixture block is connected with the adjusting rod and is used for bearing and blocking a pipe workpiece. The flexible fixture has the advantages of reducing the laser cutting quantity, saving the cost, achieving the functions of fast positioning, fast switching and the like, improving the working efficiency, having simple structure and convenient operation, and reducing the workload for manufacturing a sample fixture.

The invention discloses a method for measuring dielectric properties of diamond anvil cells in situ and belongs to the technical field of electromagnetic measurement under high voltage. The method comprises the following steps of firstly, assembling the diamond anvil cells, i.e. respectively forming round electrodes on the anvil surfaces of two diamond anvil cells, wherein an insulating layer is arranged on the inner side wall of a sample cavity of a composite insulating cushion; secondly, performing measurement, i.e. using a frequency response analysis meter to obtain relation patterns between an impedance real part and an impedance virtual part under different pressures; and finally, performing data processing, i.e. using Zview software and an electromagnetic metering formula related to dielectric properties to obtain the relative dielectric constant epsilon r, the dielectric constant real part epsilon', the dielectric constant virtual part epsilon'', the loss tan theta and the like. The shapes and the positions of the electrodes are fixed, and meanwhile, correction is performed because of the influence of fringe effect on a measuring result; and the prepared composite insulating cushion ensures complete insulation of the inner wall of a voltage cavity, so that the method for precisely measuring the dielectric properties of a material in situ under high voltage is realized.

The invention discloses an automatic clamping type hoop device for a petroleum transportation pipeline. The automatic clamping type hoop device comprises a cover plate, a reset spring, a supporting rod, a bearing plate, a rubber block, a pipeline clamping groove, an inner bracket and an outer bracket. The inner bracket is fixed to the inner wall of the outer bracket. The cover plate is mounted atthe top of the inner bracket. The rubber block is arranged in the inner bracket. The pipeline clamping groove is formed in the upper end of the rubber block. The bottom end of the rubber block is fixed to the bearing plate. The automatic clamping type hoop device is convenient to mount; when the automatic clamping type hoop device is not arranged in a petroleum pipe, the rubber block is driven bythe reset spring to slide upwards, and a clamping jaw moves out of the clamping groove and does not clasp or clamp the interior of the inner bracket; and when the automatic clamping type hoop device is arranged in the petroleum pipe, the rubber block slides downwards through the weight of the petroleum pipe and the weight of petroleum conveyed in the petroleum pipe, the clamping jaw penetrates through the clamping groove to clamp and fix the petroleum pipe arranged in the inner bracket, the petroleum pipe can be clamped and fastened conveniently, the cover plate is used for secondary fixation,and laying and fixing of the petroleum pipe are ensured.

The invention discloses an automatic screw-driving machine which comprises a machine body assembly, a material guide mechanism, a material conveying mechanism, a material grabbing mechanism, a material ejecting mechanism and a screw-driving mechanism. The material guiding mechanism is arranged on a main machine frame of the machine body assembly. The material conveying mechanism is arranged on an auxiliary machine frame on one side of the main machine frame. The material grabbing mechanism is arranged between the material conveying mechanism and the material guide mechanism and conveys guide pins to the material ejecting mechanism. The guide pins are conveyed to the position below PCBs through the material ejecting mechanism. The screw-driving mechanism is arranged above the material guiding mechanism and drives screws into the guide pins. The automatic screw-driving machine is suitable for a PCB automatic machining assembly line, the functions of automatically positioning blocking materials and adjusting the sizes of the conveyed PCBs are achieved through the material guide mechanism, the automatic material feeding or blocking movement is achieved through the material conveying mechanism, the automatic conveying movement of the guide pins is achieved through the material grabbing mechanism, the automatic material ejecting movement is achieved through the material ejecting mechanism, and nuts are automatically locked on the guide pins through the screw-driving mechanism.

The invention discloses a special examination device for animal husbandry and veterinary. The examination device comprises a worktable, a support tube, a lifting rod, a rack, a motor, a gear, a connecting block, a support plate, leg fixing mechanisms, a head fixing mechanism, limit blocks and sponge cushions, wherein the support tube is embedded in the middle of the upper end of the worktable; thelifting rod is arranged in the support tube; the rack is arranged at one end of the lifting rod; the motor is arranged on the side, opposite to the support tube, of the lower end of the worktable; the gear is arranged at one end of the motor, penetrates the side wall of the support tube and is meshed with the rack; the connecting block is arranged at the upper end of the lifting rod; the supportplate is arranged at the upper end of the connecting block. The examination device can be used for examination fixing of animals in different body forms, realizes firm fixing and is fast and simple tooperate, discomfort can be avoided during animal fixing under the condition that people injury by an animal is prevented by abdomen lifting and multi-position fixing of legs and head of the animal, and accordingly, examination work of a veterinarian is facilitated.

The invention discloses a pipe machining and fixing clamp which comprises a fixing clamp bearing groove, a clamp bearing rack and a pipe fixing ring. The clamp bearing rack is installed on the inner wall of the fixing clamp bearing groove. The pipe fixing ring is installed on the outer wall of the top of the clamp bearing frame. The bottom of an air pressure connecting port is connected with one outer air pressure telescopic arm through an air pressure flow division pipeline. Inner air pressure telescopic arms are installed in inner cavities of the bottoms of the outer air pressure telescopic arms. Pipe fixing clamping grooves are formed in the bottoms of the inner air pressure telescopic arms. By the adoption of the pipe machining and fixing clamp, the air pressure telescopic arms are adopted as pipe clamping mechanisms, and the pipe machining and fixing clamp is effectively made more convenient to use; and meanwhile the multiple clamping mechanisms are adopted, the pipe clamping effect of the pipe machining and fixing clamp is more stable, and pipe machining efficiency is greatly improved.

The invention discloses a room temperature shim coil of a superconducting NMR spectrometer. The room temperature shim coil is formed by a winding region, a support frame, and a base from top to bottom in sequence. The inner layer of the winding region is axial coils, and the outer layer is radial coils. On the manufacturing method for a coil structure, the multiple order axial coils are compressed on a same cylinder to improve space utilization rate, and a winding method of self-bonding enamelled wires and PET films (also named as high-temperature polyester film) is used, so as to solve technical problems of wire positioning and fixing in a winding process of the room temperature shim coil. An optimization function is also designed and established aimed at an algorithm of the shim coil, and a problem of design of the room temperature shim coil is converted to a problem of solving the minimum value of the optimization function, and then through a particle swarm optimization, the functional equation is solved, and finally position distribution and number of turns of the coils can be calculated. According to the room temperature shim coil, reliability and adaptability of the shim coil can be obviously improved.

The invention discloses a box-type cable reel device which comprises a winding box. A rotatable reel rotation rod is mounted in the vertical middle of the winding box, the upper end of the reel rotation rod extends out of the upper side wall of the winding box and then is connected to a positive and reverse rotation motor through a speed change mechanism, the upper end and the lower end of the reel rotation rod close to the side wall of the winding box are respectively provided with a rotating side plate, and a cable storage area is formed between the two rotating side plates. A winding device of a traditional cable reel device is improved, the reel rotation rod can be driven to slowly rotate in an inner cavity under the action of the speed change mechanism comprising a gear motor and an anti-slip conveying belt after the positive and reverse rotation motor is started in practical use, reeled cables are winded in the area by the vertically arranged rotating side plates, and the box-type cable reel device is simple in structure, convenient to reel and electric in operation, and time and labor are saved.

The invention relates to bagging equipment for fruits, in particular to an apple bagging mechanism. A fruit bag device and a suction device are respectively arranged on a mechanical arm connecting substrate, an upper bag gluing device is connected with the fruit bag device through a pitch device and a retractor device, and a lower bag gluing device is connected on the fruit bag device; the upper bag gluing device is moved up and down through the pitch device, and the upper bag gluing device is moved back and forth through the retractor device; a sucker of the upper bag gluing device separately picks up fruit bags, and the suckers of the upper and lower bag gluing device work together to unfold the openings of the fruit bags; colloids in the fruit bags are heated by electric heating members in the upper bag gluing device, so that the colloids are melted to glue the upper and lower layers of the fruit bags under the function of extrusion force; the lengths of the suckers can be changed by reset springs on the suckers, in the process of unfolding the bags, the reset springs function and the suckers of the sucking discs are contacted, but the electric heating members and the heating cushion blocks are not contacted; in the bag sealing process, the reset springs are shortened under the function of extrusion force, the electric heating members and the heating cushion blocks are contacted to generate the extrusion force. According to the apple bagging mechanism, manpower can be saved and the efficiency is high.

The transformer is composed of an iron core set, a base, at least a simplex of wire winding, and at least a thin sheet. Conducting wire is wrapped on the simplex. The at least one simplex of wire winding and the at least one thin sheet are sheathed to the base.

The invention relates to automatic equipment, in particular to automatic hole expanding equipment for taper holes in end parts of pipes. The automatic hole expanding equipment for the taper holes in the end parts of the pipes is characterized by comprising a loading mechanism, a hole expanding mechanism, a tool fixing mechanism, a material dropping slot, a workbench and a rack, wherein the workbench is fixedly connected on the rack; the workbench is horizontally arranged; the loading mechanism is fixedly connected onto the workbench; the hole expanding mechanism is fixedly connected to the workbench; the tool fixing mechanism is fixedly connected onto the workbench; and the material dripping slot is fixedly connected onto the workbench. The invention aims to provide the automatic hole expanding equipment for the taper holes in the end parts of the pipes; and a group of pipes is arranged on a Z-shaped discharge frame, the pipes are driven to automatically load through the loading mechanism and are fixed through the tool fixing mechanism, so that the hole expanding mechanism realizes automatic hole expanding and unloading, and therefore, a pipe hole expanding process is completed in a fully-automatic mode.

The embodiment of the invention discloses a backlight module, which comprises a light guide plate, an optical film group and at least one positioning device, wherein the light guide plate is provided with a light inlet surface and a light outlet surface, a light source is arranged at the light inlet surface, the optical film group is arranged above the light guide plate and is opposite against the light outlet surface of the light guide plate, a foldable part extends from at least one side edge of at least one optical film of the optical film group, the positioning device is arranged at least one side surface of the light guide plate, except the light inlet surface, an accommodating space is formed between the positioning device and the side surface of the light guide plate, and the foldable part of the optical film is folded and is then accommodated into the accommodating space. The embodiment of the invention correspondingly provides a liquid crystal display adopting the backlight module. According to the embodiment of the invention, the positioning of each optical film of the optical film group is simple, the wave-shaped deformation of the optical film caused by heat expansion or cold shrinkage can be prevented, in addition, the application is wide, and the production cost is saved.

The invention relates to a system and a method for controlling an image display device not to influence image viewing comfort caused by shaking of the device when the device displays an image in a nonstatic state. The system detects a moving track of a display screen on the display device through a three-dimensional phase detector; an image control unit records the initial position of the image on the display screen; a digital signal processor converts three-dimensional displacement variation detected by the detector into a two-dimensional planar offset, receives the image initial position recorded by the image control unit, and calculates another image initial position output to the display screen by matching the converted two-dimensional offset; and an image phase adjustment unit adjusts an image output scope according to the new image initial position and makes pictures on the display screen kept on the same position after a new image is output onto the display screen. The image pictures on the display screen cannot shake because of the movement of the display device so as to reduce uncomfortableness during viewing the pictures.

The invention discloses a high-speed turnout switch tie for speed of 350km per hour and a manufacturing method thereof. The method comprises the following steps of: 1, installing a template; 2, laying steel wires; 3, laying end plates; 4, installing sleeves and laying separators; 5, laying fittings; 6, starting a computer to automatically control the tensioned steel wires; 7, performing final tension; 8, fastening the separators, and binding the fittings; 9, putting an ash bucket and concrete into a die; 10, vibrating; 11, detaching the separators and partition plates; 12, clearing the production line; 13, curing; 14, performing concrete stripping; 15, tensioning; 16, breaking the wires, and stripping; 17, spraying, treating the sleeves, and cutting the exposed ribs; 18, clearing the die and the parting agent; and 19, warehousing. Accurate control of distribution quantity, uniform distribution and high speed are realized, stirring uniformity and concrete compactness are realized in automatic distribution, and the strength of the switch die is ensured.

The present invention discloses an automatic alignment lighting device for a flexible OLED (Organic Light-Emitting Diode) panel and a FPC (Flexible Printed Circuit). The device comprises a location connection unit, an alignment control unit and a light test unit. The location connection unit comprises a flexible OLED panel vacuum sucker and a FPC location crimping tool, and when the flexible OLED panel vacuum sucker absorbs a flexible OLED panel, the deviation values of the displacement offsets of PINs on the flexible OLED panel are not larger than 5% of the widths of the PINs; the alignment control unit comprises a CCD lens, an automatic alignment platform, a control box and a device operation desk; and the flexible OLED panel vacuum sucker is connected with the automatic alignment platform, the CCD lens is arranged between the flexible OLED panel vacuum sucker and the FPC location crimping tool, the detection operation desk is electrically connected with the control box, and the control box is electrically connected with the automatic alignment platform, the CCD lens and the FPC location crimping tool. The automatic alignment lighting device for the flexible OLED panel and the FPC are simple in structure and convenient to use, can rapidly and accurately realize alignment crimping of PINs of the flexible OLED panel and the PINs of the FPC.