103results about How to "Reasonable and reliable design" patented technology

The invention discloses a twist extrusion forming die and a twist extrusion forming method. The forming die comprises a first half die and a second half die, wherein the first half die and the second half die are tightly buckled through a bolt to form a cylinder, an extrusion die cavity is formed inside the cylinder, and a die joint of the first half die is fit and level with a die joint of the second half die; the extrusion die cavity is sequentially formed by a guide section, a large circular-regular octagonal transitional section, a regular octagonal twist section, an octagonal-small circular twist transitional section and an outlet section from an extrusion inlet to the lower side. The twist extrusion forming die has the advantages of good transformation effect, high speed and high efficiency, the weaknesses of the prior art such as non-uniformity in transformation and existence of transformation dead corner can be overcome, the stress distribution inside a material can be greatly improved, and the comprehensive performance of the material also can be improved.

The invention relates to the technical field of forming pipes with thick walls (a ratio of pipe diameter to wall thickness is less than 20) of such metals as aluminum, copper and steel and round cross sections, and in particular discloses an equal channel forming die for a thick-wall pipe and a method of the equal channel forming die for forming the pipe. An equal channel corner variable-cross section twist extrusion forming technical scheme adopted by the invention is similar to combination of twist shear deformation and upsetting and drawing extrusion-bulging deformation on a cross section, thus realizing combination of multiple deformation modes in an extrusion process. The equal channel forming die disclosed by the invention has the advantages of good deformation effect, quick speed and high efficiency; and the equal channel forming die can overcome a shortcoming of a current process which is uneven in deformation, greatly improve stress-strain distribution and a deformation texture in the material, and simultaneously improve material performance.

The invention relates to an alarm escape indication system and method, particularly to an intelligent automatic fire alarm escape indication system and method thereof. The system is composed of intelligent terminal equipment, an intelligent smoke detector, an intelligent heat detector, manual alarm equipment, an intelligent fire automatic alarm escape controller, and a remote firefighting monitoring center. According to the method, the intelligent smoke detector and the intelligent heat detector detect that the smoke concentration or temperature reaches an alarm value, an alarm signal is sent out and transmit fire information to the intelligent fire automatic alarm escape controller; the controller calculates escape and self-rescue guide information; the information is displayed and broadcasted to the intelligent terminal equipment by an Wi-Fi unit and is also transmitted to the remote firefighting monitoring center simultaneously; and the remote firefighting monitoring center organizes multiple units instantly to rush to the spot so as to carry out rescue or evacuation. According to the invention, the intelligent degree is high; functions of infinite long-distance fire-proof alarm, linked rescue, intelligent escape and evacuation, network service, and wireless internet access service are realized; the system is simple; the cost is low; the operation is convenient; and the system and method can be popularized and used conveniently.

The invention discloses a suspension bridge steel wire rope damage patrolling robot. The suspension bridge steel wire rope damage patrolling robot comprises a base, a patrolling device arranged on the base and conducting patrolling on suspension bridge steel wire rope damage, and a control device controlling the patrolling device. The process for patrolling a steel wire rope includes the steps that firstly, the patrolling device is installed; secondly, the patrolling robot conducts patrolling on the suspension bridge steel wire rope; thirdly, after the robot finish patrolling, the robot returns to the initial end of the suspension bridge steel wire rope; fourthly, the first step, the second step and the third step are repeatedly conducted many times; and fifthly, damage state data are obtained. The suspension bridge steel wire rope damage patrolling robot is novel and reasonable in design, low in using cost, easy to operate, good in safety and capable of conveniently and rapidly finishing the suspension bridge steel wire rope damage patrolling operation; through the arrangement of the control device, a user remotely controls the patrolling robot to conduct high-altitude detection through a wireless remote control transmitter, and safety hidden danger of workers during high-altitude operation is avoided; and design is ingenious and reasonable, reliability and stability are achieved, the size is small, and practicability is high.

The invention provides a flaky graphite electrode machining technique for an injection mold. By adoption of the flaky graphite electrode machining technique for the injection mold, the problems that during numerical-control milling of thin-walled graphite electrodes with reinforcing rib sizes, the upper ports of semi-finished electrodes are prone to brittle breakage frequently, and the sizes are not standard are solved. From the thought angle of systematic techniques, reasonable machining techniques are sought for discussion on the aspects of pretreatment of graphite materials, reasonable selection of tools and machining parameters, reasonable arrangement of numerical-control milling steps, selection of a special high-speed graphite machining machine, compiling of numerical-control programs and the like, a specific machining method and specific technological parameters are given, and a beneficial reference is provided for mold enterprises for graphite electrode machining; and automatic production can be achieved, production cost of similar electrodes is reduced effectively, and working efficiency is improved.

The seal arrangement (1) for piston compressors comprises a deformable ring support (2) and a first and a second endless sealing ring (3a, 3b), wherein the ring support (2) has a longitudinal axis (L) which extends perpendicularly with respect to its circumferential direction, and wherein the ring support (2) has a gap (2i) with play in its circumferential direction, and wherein each sealing ring (3a, 3b) has a longitudinal axis (3c, 3d) which extends perpendicularly with respect to its circumferential direction, and wherein the sealing rings (3a, 3b) are arranged in such a way that the ring support (2) encloses them from the outside, and wherein the two sealing rings (3a, 3b) are arranged next to one another in the direction of extent of the longitudinal axis (L), and wherein the ring support (2) and the sealing rings (3a, 3b) are designed to be adapted to one another in such a way that the first sealing ring (3a) bears on one side against a first side wall (2d) of the ring support (2) and forms a first gap (S1) to the ring support (2) on the opposite side with regard to the longitudinal axis (3c) of the first sealing ring (3a), and wherein the second sealing ring (3b) bears in a diametrically opposed manner on one side against a second side wall (21) of the ring support (2) and forms a second gap (S2) to the ring support (2) on the opposite side with regard to the longitudinal axis (3d) of the second sealing ring (3b), wherein the first and second side walls (2d, 21) are arranged so as to lie opposite one another with regard to the longitudinal axis (L), with the result that the ring support (2) can in each case bring about a prestressing force (5a, 5b) on the first and second sealing rings (3a, 3b) respectively via the first and second side walls (2d, 21) respectively, wherein the prestressing forces (5a, 5b) extend in an opposed manner.

The invention relates to a device for making an ultra-fine grain copper-aluminum wire with a variable passage and a preparation method. The device comprises a mold, a guide wheel (1), a reversing wheel (10), a heating and cooling assembly and a drawing assembly, wherein the mold consists of a mold core (8) and a mold sleeve (4), the heating and cooling assembly comprises a thermocouple (6), a heating resistance wire (9), a cooled water sleeve (7), a ceramic sleeve (5) and a temperature controller (11), and the drawing assembly comprises a motor (12), a wire storage cylinder (14) and a tensionwheel (13). In the preparation method, the temperature, the drawing speed and the drawing direction are regulated, and a copper-aluminum wire (2) is drawn in a plurality of processes in a reciprocating way to finish the preparation of ultra-fine grain materials. The device provided by the invention can refine crystalline grains of the materials, enhance the mechanical property of a formed piece, improve the deformation texture, be applied to preparation of micro plasticity moulding ultra-fine grain materials and also be applied to the research and production fields of copper-aluminum wire drawing moulding.

The invention relates to an intelligent recording system for a power supply, which comprises an electricity detection module and a recording device, wherein the electricity detection module is used for detecting the running state of electric equipment and generating and outputting the running state data of the electric equipment; and the recording device is used for receiving the running state data of the electric equipment, calculating the electricity consumption of the electric equipment and deriving the electricity data which records the electricity consumption of the electric equipment. An electricity port or the running state of the electric equipment is monitored on a real-time basis by monitoring the current, and on the basis, the remote and real-time calculation and monitoring to the electricity port or the power consumption of the electric equipment is realized. The intelligent recording system is reasonable and reliable to design and is convenient to execute, thereby laying the foundation for realizing the control and the optimal utilization to energy resources; the energy can be pertinently saved according to the energy consumption of the electric equipment; and the foundation is laid for realizing the intelligent home control.

The present invention discloses a system and a method for patrol based on coordination of multiple unmanned surface vehicles. The system comprises a single vehicle GPS/IMU module, a single vehicle environmental perception module, a single vehicle navigation and obstacle avoidance module, a single vehicle control module, a single vehicle operation condition monitoring module, a wireless transmission module and a coordination control center. The coordination control center sends a command to unmanned surface vehicles participating in patrol tasks according to patrol task demands and conditions of the unmanned surface vehicles; information is sent between the unmanned surface vehicles and the control center through the wireless transmission module; the GPS/IMU module and the environmental perception module can respectively give unmanned surface vehicle position attitude information and barrier information in real time; the navigation and obstacle avoidance module calculates the moving speed and the direction in future according to the barrier information and moving target points emitted by the coordination control center; and the control module controls the unmanned surface vehicles to complete patrol tasks according to moving target commands given by the navigation and obstacle avoidance module. The system and the method for patrol based on coordination of multiple unmanned surface vehicles are reliable and reasonable, and can effectively improve the patrol efficiency and stability.

The invention discloses a soil infiltration system metabonomics analysis method based on UPLC-MS. The method comprises the following process steps of 1) carrying out sample preparation: collecting a soil sample, and performing UPLC-MS detection analysis by adopting a liquid chromatography-electrospray time-of-flight mass spectrometry system after pretreatment; 2) obtaining sample data through theUPLC-MS detection technology, and carrying out extraction, noise filtering, deconvolution, alignment and normalization on the sample data; 3) carrying out multivariate statistical analysis on the dataafter the normalization processing; 4) screening and identifying and analyzing the differential metabolites; 5) analyzing a microorganism metabolic pathway; and 6) carrying out redundant (RDA) analysis of metabolites and environmental factors. The soil infiltration system metabonomics analysis method based on UPLC-MS is simple and easy to implement, can comprehensively reflect the difference condition of the soil microorganism metabolites, is reasonable and reliable in model design, and provides a quick, efficient and accurate analysis method for researching soil system microorganism metabonomics.

The invention provides a vertical suspended detection drive device for an ABS sensor. The device is characterized in that a drive motor is vertically arranged; a horizontal mounting plate is fixed on a speed reducer of the drive motor; a driving disc is fixedly connected to a horizontal output shaft of the speed reducer, and is connected with a wheel hub driving disc through a connecting rod; the horizontal mounting plate is sleeved on a hoisting rod through two hanger brackets; the hoisting rod is sleeved on a guiding axle through a connecting block; the guiding axle is sleeved in an end sleeve of a suspension arm; the suspension arm is arranged on a rail of an upper beam through a roller wheel; and a balancer is arranged between the suspension arm and the guiding axle. The vertical suspended detection drive device has the advantages of simple structure, stable motion, accurate control and convenient installation and maintenance, and can effectively carry out online detection on the assembly quality of the ABS sensor.

The invention discloses a six-wheeled foot robot, including a frame body, a wheel foot type moving branch chain arranged on the frame body, a solar power generation device arranged on the frame body and switchable between a folded state and a deployed state, a robot arm and a driving device arranged on the frame body and used for controlling the robot arm to move in a first direction. The invention comprises a frame body, a wheel foot type moving branch chain arranged on the frame body, a solar power generation device arranged on the frame body and switchable between a folded state and a deployed state, a robot arm and a driving device arranged on the frame body and used for controlling the robot arm to move in a first direction. The six-wheeled foot type robot solves the problem that themobile walking robot cannot give consideration to the simplicity, flexibility and rapidity of the structure through six wheel-foot type motion chains with the same structure, widens the application field of the robot, and realizes high efficiency and practicability. The foldable solar power generation device ensures that the robot can obtain energy by itself under special conditions, occupies small space and has strong practicability.

The invention relates to a four-roller centrifugal machine for a rock cotton fiber forming system. The four-roller centrifugal machine for the rock cotton fiber forming system comprises a rack, as well as a No.1 centrifugal roller with the diameter of 160-190mm, a No.2 centrifugal roller with the diameter of 223-250mm, a No.3 centrifugal roller with the diameter of 300-325mm and a No.4 centrifugal roller with the diameter of 310-340mm which are arranged on the rack; the line of centers of the No.1 centrifugal roller and the No.4 centrifugal roller and a horizontal line form an angle of 50-63 degrees, and the line of centers of the No.2 centrifugal roller and the No.3 centrifugal roller and a horizontal line form an angle of 87-95 degrees; the four-roller centrifugal machine also comprises three air rings arranged outside the No.2 centrifugal roller, the No.3 centrifugal roller and the No.4 centrifugal roller; each of the three air rings is externally provided with an atomizer; and each atomizer is provided with more than one adhesive jetting port. The centrifugal machine provided by the invention improves the fiber forming quality of fibers greatly, increases the adhesive applying uniformity, reduces the slag ball content effectively, also is energy-saving and environment-friendly, is simple in structure, and is convenient to operate.

The invention provides a millisecond grade real-time computer system monitoring device which can judge the running status of a real-time control computer within time in millisecond grade, give alarm and carry out protection in case of abnormality of the computer system, and enable the real-time control system to operate more safely. The invention comprises a standard time clock square wave generating circuit, a waveform frequency sorting circuit, a shift circuit, a latch circuit and a system running heartbeat signal detection circuit for detecting operation of the real-time computer system, wherein the standard time clock square wave generating circuit is connected with the waveform frequency sorting circuit which is connected with a shift register, the shift register is connected with the latch circuit, the real-time computer system detection circuit is connected with the shift register, and the latch circuit is also connected with a six freedom degrees motion simulator protection loop. The invention can be applicable to detect normal operating status of the real-time computer system and drive a protective device to carry out protection in case of system abnormality.

The invention provides a wet efficient mote recycling and purifying method and device for ceramic industry. The device comprises a lower cone component, a mote removal system, a water circulating system, a funnel, a tapered adapter tube and a square bent adapter tube, wherein the mote removal system is correspondingly mounted at the top of the lower cone component, and the funnel is correspondingly arranged at the top of the mote removal system; and meanwhile, the water circulating system is connected with a water inlet of an atomized spraying component in the mote removal system; one end of the tapered adapter tube is connected with a blast pipe of the mote removal system, and the other end of the tapered adapter tube is connected with one end of the square bent adapter tube; and meanwhile, the other end of the square bent adapter tube is connected with an outlet of a draught fan. After the scheme is adopted in the device provided by the invention, the tail gas hot air containing fume is subjected to triple water atomization, mote collecting of a primary spiral mote collector and a secondary spiral mote collector, and water curtain cleaning, so that the mote, impurities and harmful substances in the fume are collected, and the purified tail gas hot air reaches the standard and can be discharged.

The invention discloses an oil return control method and device and a multi-split air conditioner system. The method comprises the steps that the average length, the first correction coefficient and the second correction coefficient of a connecting pipe between an inner unit and an outer unit are determined according to system operation parameters; the corresponding oil return priority is determined based on the average length, the first correction coefficient and the second correction coefficient of the connecting pipe; and oil return operation of the multi-split air conditioner system is controlled based on the oil return priority. According to the oil return control method and device and the multi-split air conditioner system, different oil return priorities can be determined accordingto the actual engineering condition, the oil return priority design is reasonable and reliable, accurate oil return is achieved, oil return is conducted when a unit needs oil, and the phenomenon thatoil is frequently returned when the unit is sufficient in oil amount or oil is not returned in time when the unit is short of oil is avoided.

The invention provides a foam pad used for packaging a color television set, which is characterized by consisting of four blocks corresponding to four corners of the television set respectively. Upper foams (3, 4) and lower foams (1, 2) close to corners of the front part of the television set are provided with lightening grooves (11); at least three through grooves (8, 9, 10) playing a role in cushioning are arranged on the upper foams (3, 4) and the lower foams (1, 2); rear parts of the upper foams (3, 4) and the lower foams (1, 2) are respectively provided with a row of dentiform bodies (12) playing roles in cushioning, preventing an aperture mask from falling off and deforming; and the height of the dentiform body (12) closest to the aperture mask in each row of the dentiform bodies (12) is smaller than that of other dentiform bodies (12). The foam pad furthest reduces cost for packaging materials and cost for logistic transportation through improving the prior foam package design, ensures that the machine package design is reasonable and reliable with a compact structure, and has the advantages of reasonable structure design and light weight.

The invention discloses a compact six-freedom-degree accurate tracking and pointing device for a satellite load, and the device is formed by the series connection of an upper platform and a lower platform in a normal direction of an installation surface. The upper platform comprises a pointing interface assembly, an adjustment interface assembly, six sets of drive assemblies, an upper platform control single-chip microcomputer, and an upper platform compressing and releasing device. The upper platform comprises an adjustment assembly, a lower platform compressing and releasing apparatus, a fixed plate, and a lower platform control single-chip microcomputer. The device can avoid the interference in a tracking and pointing work space under the cooperation of the upper and lower platforms, and meets the demands of the large-range and large-angle continuous precise follow-up tracking and orientation locating of a satellite effective load. The device can effectively reduce a motion envelopespace of the device through extending the work space of the upper platform through the lower platform, achieves the compact design, and saves the satellite space resources. The tracking and pointingdirection can be any one direction of the six degrees of freedom, and the device can flexibly achieve the full-airspace and full-disc tracking and pointing of the satellite effective load.

The invention particularly relates to a construction method of a prestressed pipe pile with vertical water discharge grooves, and is used for solving the problems in the traditional construction of the prestressed pipe pile, such as sedimentation, bearing capability reduction and pollution to the construction field. The construction method comprises the following steps of a. uniformly distributing water discharge grooves on external circumference of the prestressed pipe pile, and arranging a V-shaped groove between two adjacent water discharge grooves, wherein the V-shaped groove is communicated with the two adjacent water discharge grooves; b. installing a water accumulation protection drum with an opening at the bottom at the insertion position of the prestressed pipe pile, wherein a water guide pipe communicated with the water accumulation protection drum is arranged on sidewall of the water accumulation protection drum and a control valve is arranged on the water guide pipe; c. inserting the prestressed pipe pile along the opening of the water accumulation protection drum, wherein pore water enters the water discharge grooves under the action of pressure, the pore water in the water discharge grooves rises and is discharged through the water guide pipe; and d. installing the water accumulation protection drum to the insertion position of next prestressed pipe pile. The construction method has reasonable and reliable structure design, not only can reduce insertion resistance to improve construction progress rate, but also has good effect of inhibiting sedimentation after construction, and has the advantages of simpleness in structure and easiness in implementation and control.

The present invention provides a tool switching device, which includes a switching platform, a grabbing robot and a fixture storage. The grabbing robot is placed between the switching platform and the fixture storage. The fixture storage is Multiple and lined up, the switchable mosaic includes a first positioning area and a second positioning area. The switching device can realize local switching and overall accurate positioning. At the same time, it is convenient and quick to introduce new models without affecting the existing production methods and layouts. The design is reasonable and reliable.

The invention relates to the technical field of radiators, and discloses a piece type radiator welding method and tool. The tool comprises a bottom plate, wherein the top of the base is fixedly connected to two motor boxes; the inner sides of the motor boxes are fixedly connected to drive motors; the output shafts of the drive motors are fixedly connected to threaded rods; the outer sides of the threaded rods are in threaded connection to slide bases; the tops of the slide bases are fixedly connected to clamping bases; and spring cavities are arranged inside the clamping bases. The piece typeradiator welding method and tool can accelerate cooling at a welding position, increases cooling speed, and improves processing efficiency; the welding tool is reasonable and reliable in design, and does not make a radiator obviously deform; a friction welding head is used for friction welding, and other materials are not added to guarantee uniform radiation of the radiator, so that the problems such as processing difficulty, easy cracking and the like are solved; the processed surface is attractive and does not generate chromatic aberration, and the tool has universality for the piece type radiator, so that the tool can be used for welding most of piece type radiators.

The invention provides a testing system for studying a dead tube section phenomenon of a nuclear power plant. The testing system comprises a dead tube section and a first mechanism, wherein the first mechanism is used for simulating internal temperature of the dead tube section; the dead tube section is a completely sealed metal pipeline; a liquid inlet and a liquid outlet are formed in the dead tube section; the first mechanism comprises a convection tube, a heater, far heat transfer electrical resistance thermometers, magnetic turnover plate liquidometers and a first far heat transfer differential pressure transmitter; the convection tube is a completely sealed metal pipeline and forms a communicated first loop with the dead tube section through two pipelines; an exhaust hole is formed in the convection tube; the heater is connected with the dead tube section to achieve liquid heating treatment; a plurality of far heat transfer electrical resistance thermometers are respectively mounted on the dead tube section and the convection tube; one of two magnetic turnover plate liquidometers is mounted on the dead tube section; the other one of the two magnetic turnover plate liquidometers is mounted on the convection tube; and the first far heat transfer differential pressure transmitter is mounted on the dead tube section and is serially connected with the dead tube section to form a second loop. By adopting the testing system, the dead tube section phenomenon can be studied and discussed by using testing simulation technical measures, and in addition the testing system is reasonable and reliable in design.

The invention discloses a glue adding device for a medical catheter, belongs to the technical field of medical equipment, and aims to overcome the defects that glue on a glue dipping rod of a conventional glue dipping mechanism is actually hard to distribute uniformly by utilization of the gravity action, and the glue coating amount is specified and cannot be flexibly adjusted as required. The glue adding device comprises a glue adding mechanism, a glue accommodating mechanism and a rack, wherein a glue rotating mechanism used for driving the glue adding mechanism to rotate is arranged at the upper end surface of the rack; the glue adding mechanism comprises a plurality of clamping fingers and a clamping finger driving source used for driving the clamping fingers to open and close; a rotating wheel of the glue rotating mechanism is connected with the rear end of the clamping finger driving source; and driven by a rotating driving source, the rotating wheel drives the clamping finger driving source to rotate. The glue adding device has the advantages that as the glue rotating mechanism is arranged and can rotate, the processes of glue dipping and glue coating become uniform; as the clamping finger driving source used for driving the clamping fingers to open and close is arranged, the clamping degrees of the clamping fingers can be controlled according to different conditions; and accordingly, the glue dipping amount of the clamping fingers can be adjusted.