365results about How to "Realize free adjustment" patented technology

The invention discloses a test machine and a test method for real-time and dynamic observation of end surface torsion friction and abrasion of a friction interface. The test machine comprises a pressure applying device, a rotary platform, a friction interface observing device and an adjusting device, wherein the pressure applying device comprises a lever, a lever bracket and weights, the rotary platform comprises a motor, a shaft encoder and a worm and gear transmission mechanism, the friction interface observing device comprises a high-speed camera, a torque sensor and a pressure sensor, and the adjusting device comprises a level and a vertical adjustable rod element. The axial loading is applied to a lower specimen by the lever and the weights, the rotary platform drives an upper specimen to do reciprocating torsion, the high-speed microscopic camera is used for observing the friction interface, the torsion friction and abrasion tests under different external loads are simulated by the adding and reducing of the weights, the change of the torsion frequency and the like, then the friction coefficient, the abrasion shape and the abrasion chip real-time movement in the friction process are obtained, and the friction and abrasion performances of transparent material in the whole process are evaluated. The test machine has the advantages that the structure is simple, the operation is convenient, and the repetitiveness is high.

The invention discloses an intelligent head-up display system, which comprises a display assembly, an image acquisition assembly, a natural voice interaction assembly, a sensor assembly and a processor assembly. The display assembly is connected with the image acquisition assembly; the sensor assembly is connected with the processor assembly; and the image acquisition assembly is connected with the processor assembly. Compared with a convention head-up display system, the intelligent head-up display system can support more interaction control and can realize voice scheme interaction adoption, and meanwhile, can install various third-party applications to expand and enrich functions; furthermore, the intelligent head-up display system, carried with various sensors, can connect external equipment; and besides, the intelligent head-up display system has a camera module, which faces to the inner portion of a vehicle, so that the behavior and state of a driver can be identified, and safe driving reminding function and interaction control function can be realized.

The invention provides a special portable miniature drainage cover for automatic underwater local dry-method welding. A drainage cover body of the drainage cover comprises an upper end cover, an organic glass cover and a lower end cover. A clamping rod, an air inlet quick plug connector, a lower locking sleeve, a cooling air chamber and an underwater camera component are fixed to the upper side of the upper end cover and the lower side of the upper end cover through threaded connection respectively, and the upper end cover and lower end cover are connected with the organic glass cover through threads. A welding oscillator is clamped on the upper portion of a copper welding torch of a welding gun. According to the structure of a drainage sealing device, drainage felt and a felt skirt are arranged on the periphery of the lower end cover, and the drainage felt and the felt skirt are fastened on the lower end cover through hose clamps; the copper welding torch of the welding gun is fastened through an upper locking sleeve and the lower locking sleeve, the welding gun is inserted into the organic glass cover, and an elastic rubber leather sheath is arranged between the upper locking sleeve and the lower locking sleeve. The special portable miniature drainage cover for automatic underwater local dry-method welding has the advantages of being simple in structure, exquisite, convenient and fast to use, low in cost, obvious in drainage effect, and stable and reliable in welding process. Moreover, a connector with the quality of on-land welding is formed, the welding efficiency is improved and the special portable miniature drainage cover is easy to popularize.

The present invention discloses one kind of underwater butt-joint device, which includes one fixing skirt with flanges, one direction skirt, one angle skirt with flanges, driving and sealing mechanisms set between the fixing skirt and the direction skirt and between the direction skirt and the angle skirt, top covers with mounted locking oil cylinder, composite bearings, one hydraulic motor, outer gear rings outside the top covers, and driving gears. The driving and sealing mechanism consists of hydraulic motor, locking oil cylinder, driving gear, composite bearing seat and O-ring. The present invention is applied for butt-joint operation in rescue of life boat. It can realize reliable sealing in deep operation.

The invention discloses a penetrating-sleeve-type three-airbag plugging device and a using method thereof. The penetrating-sleeve-type three-airbag plugging device comprises a first airbag, a second airbag, a third airbag, a hole sealing grouting pipe, a crack plugging pipe and a slurry guiding pipe. The three airbags are formed by sewing of elastic cloth sleeves and arranged on a gas extraction pipe in a sleeving mode. The hole sealing grouting pipe penetrates through the three airbags. A grouting opening is formed in the hole sealing grouting pipe in the airbags. The slurry guiding pipe penetrates through an inner hollow body of the second airbag. The two sides of the slurry guiding pipe are connected with a grouting section in a communicating mode. The crack plugging pipe penetrates through an inner hollow body of the first airbag. The end of the crack plugging pipe is located at the sewing line position on the exterior of the second airbag. Meanwhile, the invention discloses the using method of the penetrating-sleeve-type three-airbag plugging device. According to the penetrating-sleeve-type three-airbag plugging device and the using method thereof, 'three-plugging and two-grouting' hole sealing can be achieved through a pressure sensing overflow valve, and meanwhile, further plugging of a hole circumferential crack area can be achieved after hole sealing, so that 'three-plugging and three-grouting' type hole sealing of gas extraction is achieved wholly.

The invention discloses an acquisition system and an acquisition method for a stereoscopic video. The system comprises acquisition equipment, a microcontroller, an acquisition server and stereoscopic display equipment, wherein the acquisition equipment comprises a plurality of two-dimensional (2D) cameras and a plurality of altitude regulation devices; a 2D camera is opposite to each altitude regulation device; the 2D cameras are linearly arranged, and are used for shooting planar video images; the microcontroller is connected with the acquisition equipment through a general purpose input and output port of each 2D camera, and is used for transmitting a pulse signal to the 2D cameras to control the 2D cameras to synchronously shoot the planar video images with preset frame frequency; the acquisition server is connected with the acquisition equipment through a data port of each 2D camera, and is used for acquiring the planar video images shot by the 2D cameras, geometrically calibrating the 2D cameras, and performing real-time geometrical correction and stereoscopic image synthesis on the planar video images shot by the 2D cameras; and the stereoscopic display equipment is used for receiving and stereoscopically displaying a stereoscopic image synthesized by the acquisition server. The system has real-time data acquisition capability, high flexibility and good stereoscopic perception effects.

The invention discloses a variable-angle-of-attack hydrofoil cavitation water tunnel test system, and belongs to the technical field of ship and ocean engineering. The system is composed of a water tunnel observation section, fastening plates, fastening bolts, a positioning plate, positioning bolts, a threaded hole matching the positioning bolts, an angle-of-attack regulator, a limiter, a hydrofoil connecting shaft, a hydrofoil, and sealing rings. The threaded section of the hydrofoil connecting shaft passes through a through hole of organic glass, and is fixed by one fastening plate and a nut, and the other end passes through through holes of the organic glass and the positioning plate and is connected with the limiter. The limiter is connected with the angle-of-attack regulator. The angle of attack regulator is fixed to the positioning plate through the positioning bolts and the threaded hole matching the positioning bolts. The portions, inside the organic glass, of the two ends of the hydrofoil connecting shaft are each sleeved with one sealing ring. The positioning plate is fixed by the fastening plates and the fastening bolts. The fastening plates are fixed to the water tunnel observation section by the fastening bolts. Compared with the prior art, the variable-angle-of-attack hydrofoil cavitation water tunnel test system has the advantages of simple and compact structure, good stability, easy movement and disassembly, convenient regulation of angle of attack, low cost, and good tightness.

The invention discloses an inserting cutting type variable diameter banana shaft removing and combing cutter self-adaptive to the diameter of a banana spike rod. The cutter comprises hard combing blades, soft combing blades, universal ball bearings and a rack, wherein one side of each soft combing blade extends to form a cutter arm, and a limiting frame is arranged on each hard combing blade; the number of the hard combing blades and the number of the soft combing blades are plural, the body of one hard combing blade and the body of one soft combing blade are stacked to be combined into a combing blade set, a plurality of the hard combing blades and a plurality of the soft combing blades are combined into a plurality of combing blade sets arranged in the rack, the cutter arm of one combing blade set stretches into the limiting frame of the adjacent combing blade set, and the multiple combing blade sets are combined to form a circumferential cutting edge capable of wrapping the banana spike rod; each combing blade set is provided with one universal ball bearing, and a deformation structure is connected between each combing blade set and the rack. The cutter has the advantages of being light and small in overall structure, convenient to move, safe and labor-saving to operate, and suitable for mechanical banana combing.

The invention relates to a multiband matching circuit, a radio frequency circuit, an antenna system and a mobile terminal. Specifically, the matching circuit is designed into the structure of an adjustable capacitor and an inductor group which are connected in parallel, wherein the inductor group comprises at least one inductors which are connected in series in turn, and one switch is connected in parallel on each inductor. Meanwhile, a program control unit is also arranged in the matching circuit. The capacitance value of the adjustable capacitor can be controlled and different switches can be selected through the program control unit so that different capacitor and inductor combination forms can be realized, and free adjustment of the capacitance and induction values in the circuit can be realized. With application of the matching circuit, the requirements of characteristic impedance of different transmission lines can be adapted by adjusting the circuit parameters of the matching circuit in the debugging and use process of the radio frequency circuit, and performance debugging of multiple bands can be realized on one set of matching circuit so that the debugging difficulty can be reduced, the number of the matching circuits in the radio frequency circuit can be reduced, the circuit structure is simple and the laying space of the circuit board can be saved.

The invention relates to a portable resistivity method advanced forecasting system applicable to a TBM. The system comprises a plurality of non-polarized electrodes, a terminal control box and an electrode cable series. The non-polarized electrodes are electrically connected with the terminal control box. The terminal control box is electrically connected with the electrode cable series. The non-polarized electrodes are arranged to be capable of stretching out of a TBM cutterhead hob hole and making contact with a tunnel face to detect front geological signals. The terminal control box receives the signals collected by the non-polarized electrodes and predicts a front geologic body. The potential difference between a surrounding rock mass, a shield and the terminal control box is reduced and / or eliminated through electrode cables. According to the system, detection of unfavorable geologic bodies such as a fault fracture zone, a soft and hard layered stratum, a water-bearing cave and an underground river is achieved according to geologic body resistivity difference.

The invention discloses a surface temperature detection device for a stirring friction welding leader region. The surface temperature detection device comprises a compression spring type thermocouple, a trolley and an adjusting device, wherein the compression spring type thermocouple is used for detecting the surface temperature of the leader region, the trolley is used for driving the compression spring type thermocouple to move, and the adjusting device is connected with the trolley; the compression spring type thermocouple is connected with the trolley through a thermocouple cover piece; trolley bosses are arranged on the side face of the trolley, and are connected with the adjusting device through a spring adjusting structure; rollers are arranged at the bottom of the trolley. According to the surface temperature detection device for the stirring friction welding leader region, disclosed by the invention, the surface of the welding leader region can be detected, free adjustment of welding positions in longitudinal, transverse and vertical directions is realized, and the device is simple in whole structure, low in cost and high in practicability; moreover, the device is easy to implement and convenient to assemble, and has practical significance on automatic detection of stirring friction welding.

The invention discloses a horizontal wind-velocity gauge support used for acquiring the wind speed in a wind tunnel and capable of realizing vertical adjustment to carry out multi-point observation. Ascrew is mounted at an outer extension segment and a through hole arranged on a horizontal crossbeam, the screw and the horizontal crossbeam are fixedly limited through a thread assembly, upper and lower ends of the screws are respectively provided with a top holder and a bottom holder, the top holder, the bottom holder and the screw are fixedly mounted through the thread structure, a wind-velocity gauge is mounted on the horizontal crossbeam, and the wind-velocity gauge is connected with a data acquisition device through a data line. The horizontal wind-velocity gauge support is advantaged in that a method of gradually moving the wind-velocity gauge to acquire wind velocity in a single point mode is replaced, multi-point observation can be carried out to acquire the wind velocity of onesame horizontal plane, the horizontal crossbeam can be vertically lifted down and up to change vertical height of the wind-velocity gauge, free adjustment on one same vertical section at different heights is realized, truckles are set through a bottom portion of the support body to realize back and forth movement in the wind tunnel, and multi-point wind-velocity acquisition on the one same horizontal plane at different distances is realized.

The invention discloses a machine vision LED (light emitting diode) illumination source, which comprises a base and ten matrix light source assemblies arranged on the base, wherein each matrix light source assembly comprises two support frames and a LED matrix light source movably arranged between the two support frames, the matrix light source assemblies are arranged on the base in the equilateral decagonal shape, the LED matrix light sources are connected with a controller, diffusing panels are arranged at the irradiation surfaces of the LED matrix light sources, and light rays become uniform through the diffusing effect of the diffusing panels. Compared with the existing annular light source, the machine vision LED illumination source has the advantages that richer brightness and incident angles can be obtained under the condition of not moving a lampshade, and in addition, the light rays are uniform. The machine vision LED illumination source can adapt to more application occasions, the uniform illumination on tested objects in different sizes can also be realized, and the target feature is obvious as far as possible.

The invention discloses a vertical annular welding tool. The vertical annular welding tool comprises a rotatable platform and a hollow upright column, wherein the hollow upright column is perpendicular to the rotatable platform and sleeves the rotatable platform via a clearance; a gas guiding ring, a conductive ring and a ground wire grounding copper ring sleeve the upright column; a gas circuit, an electric control circuit and a welding ground wire are arranged in a hollow cavity of the upright column; a workpiece positioning mechanism is fixed on the upper portion of the upright column; and a wire feeding machine and a welding gun mechanism are fixed on the rotatable platform. Rotating power is provided by using a speed reducer; circuit transmission is carried out by using the conductive ring; and gas is turned on, turned off and changed over via the gas guiding ring, the welding gun can be adjusted multi-dimensionally in space, namely, the welding gun can be adjusted in the up-down direction and the left-right direction at an angle, annular welding between tubes, annular welding between a tube and a flange and annular welding between a tube and a plane can be performed, the product differentiation switching efficiency and the welding quality are improved, the welding angle and the welding speed can be freely adjusted, annular welding can be performed rotatably without limitation, workpieces do not need to rotate, and the time can be greatly saved. The vertical annular welding tool is suitable for annular welding between the tubes, annular welding between the tube and the flange and annular welding between the tube and the plane, or is suitable for welding an arc.

The invention provides a butt tool for cabin sections of a small missile. The butt tool comprises a bottom frame, an axial rail, a lifting fine adjustment mechanism, a transverse fine adjustment mechanism and an axial force application mechanism. The butt tool adopts an integrally assembled structure form, and is convenient to carry, operate and maintain; and an upper arc seat and a lower arc seatwhich are used for clamping a missile body are connected through hinges, so that assembling, disassembling and clamping of each cabin section are facilitated, and the working efficiency is improved.The butt tool has the advantages that each cabin section can be freely adjusted in the X, Y and Z directions, so that the difficulty of centering and alignment of the cabin sections is greatly lowered, and the assembly efficiency and quality are improved; the defect that manual assembly is not stable and low in efficiency is overcome, meanwhile, the labor intensity of operators is greatly reduced,and the phenomenon of collision and scratch of the missile body is effectively avoided; and the coaxiality of the cabin sections of the missile can be guaranteed to be less than 0.3mm through precisemechanical assembly.

The invention provides an image processing method and a mobile terminal. The method comprises the steps of obtaining a source image and a plurality of target image processing effect templates; processing the source image according to the target image processing effect templates, and obtaining a plurality of images with different target image processing effects; according to the images with different target image processing effects, generating target images with a plurality of images, and receiving an adjustment trigger operation on the first image in the images in the target images by a user; according to the adjustment trigger operation, putting the first image in a to-be-adjusted state; receiving adjusting operations on the first image by the user, and adjusting the display state of the first image according to the adjusting operations. The process makes the processed images have a repetitive beauty, avoids repetitive operations of the user, and simplifies the operation process.

The invention belongs to the technical field of warehouse logistics, and particularly discloses a carrying robot and a warehouse logistics system. The carrying robot comprises a movable chassis, a portal vertically arranged on the movable chassis and a goods box conveying mechanism arranged on the portal. The goods box conveying mechanism can horizontally stretch out and draw back to pick and place goods boxes on a stock container, the goods box conveying mechanism is connected with the portal through a lifting mechanism, the lifting mechanism can drive the goods box conveying mechanism to vertically ascend and descend, and the lifting mechanism is a self-driven lifting mechanism. The warehouse logistics system comprises the carrying robot. According to the carrying robot, a goods box taking method, a goods box loading method and the warehouse logistics system, the sorting efficiency and the logistics efficiency can be improved.

A wine storage cabinet with multiple temp regions in it is composed of a main body, at least one bulkhead for dividing the internal space of main body into at least two individual temp regions, a temp controller, the temp sensors (one for each temp region) connected to said temp controller, a refrigerating unit with at least parallel two branches consisting of the serially connected capillary tube and evaporating tube, and the control valves (one for one branch) controlled by said temp controller.

A double-temperature cold water / cold air unit belongs to the technical field of refrigeration and comprises a low temperature stage compressor, a moderate temperature stage compressor, a condenser, a high temperature stage throttle, a moderate temperature evaporator, a low temperature stage throttle and a low temperature evaporator. The invention is characterized in that the low temperature stage compressor and the moderate temperature stage compressor are arranged side by side, which suck air from the moderate temperature evaporator and the low temperature evaporator, and compress till the air reaches exhaust pressure; when used in summer, the low-temperature cold water / cold air are produced inside the low temperature evaporator and the moderate-temperature cold water is produced inside the moderate temperature evaporator; a four-way reversal valve is arranged inside the unit; when used in winter, double-temperature hot water / hot air are produced. The invention is particularly suitable for use in humidity / temperature independent control air-conditioning system that adopts the combined modes of radiation heat transfer and seperate outdoor air system, wherein the cold / hot water produced by the moderate-temperature evaporator is used for transferring radiation heat, and the cold / hot water / air produced by the low-temperature evaporator is used for processing the separate outdoor air. The invention has the advantages of simple structure, high energy-efficiency ratio, and free control of high / low temperature and cold / heat energy.

The invention relates to a modular working-condition-variable medical air purifying system which comprises a medical air exhaust and fresh air integrated cabinet, a uniform air mixing and air supplying ceiling and a return air treater. The medical air exhaust and fresh air integrated cabinet is used for treating and outputting input fresh air and to-be-exhausted air, the uniform air mixing and air supplying ceiling is used for uniformly mixing, filtering and outputting introduced fresh air in a form of weak turbulence, and the return air treater is used for purifying, filtering and outputting return air. By utilizing the air purifying system postoperative infection rate can be lowered obviously, energy consumption can be lowered greatly, and building cost, building period and space requirements (needlessness of special machine room, few valves and short air pipe) of an operation room can be lowered remarkably at the same time. In addition, the invention further relates to the corresponding operation room.

The invention relates to an upper-supply and upper-return type air purification system which comprises a gym air exhaust and ventilation integrated cabinet, an air supply ceiling and an exhaust port, wherein the gym air exhaust and ventilation integrated cabinet is used for inputting fresh air and air to be exhausted, treating the fresh air and the air to be exhausted and outputting the fresh air and the air to be exhausted; the air supply ceiling is used for evenly mixing the induced fresh air and returned air, filtering the induced fresh air and the returned air and outputting the induced fresh air and the returned air into a room; and the exhaust port is used for outputting the air to be exhausted in the room to the outside through the gym air exhaust and ventilation integrated cabinet. Through the air purification system, a plurality of treatment functions including ventilation, exhaust, dehumidification, temperature adjustment, purification and the like are achieved at a time, and waste heat / waste cold is utilized so that energy saving can be achieved, the fresh air treatment function and the returned air treatment function are completely separated, and energy saving is achieved; through a fan filter unit (FFU) installed in the position of the air supply ceiling, fresh air is input into the room (upper supply), returned air is sucked through an air return port in the position of the air supply ceiling (upper return), and an independently arranged air return treatment device, an air return pipeline and a passageway are completely omitted; and the returned air and the fresh air can be evenly mixed, and the outlet air quality is improved.

The invention relates to a fragrant rotary face steamer which comprises a shell, an evaporation unit and a storage unit. The evaporation unit comprises a water tank and a rotary nozzle. The water tank and the rotary nozzle are installed at the two ends of the shell respectively. A hot steam generator, a cold steam generator and a driving plate are installed at the positions, between the water tank and the rotary nozzle, in the shell. The storage unit comprises a storage cavity formed in the shell. An upper cover is arranged at the upper end of the storage cavity. The bottom end of the storage cavity is communicated with an evaporation pipeline. The rotary nozzle can be driven by a driving mechanism to rotate or swing up, down, left and right. The fragrant rotary face steamer has the advantages that the driving mechanism can drive the rotary nozzle to rotate freely within 360 degrees and swing within 180 degrees, and therefore the problem that in a traditional structure, the nozzle adjustment range is small is solved.

The invention discloses a directional coupler used for measuring microwave power of a gyrotron traveling wave tube. The directional coupler is a three-port device, which comprises a primary waveguide, a secondary waveguide which is correspondingly arranged on the side wall of the primary waveguide in a matched manner, wherein the primary waveguide is a circular waveguide comprising an input port Pin and an output port P1out; the secondary waveguide comprises a square waveguide, a transition waveguide and a rectangular waveguide which are sequentially connected, and the rectangular waveguide comprises an output port P2out; and a plurality of coupling holes, which realize power distribution between the primary waveguide and the secondary waveguide by utilizing a hole coupling method, are formed between an inner cavity of the circular waveguide and an inner cavity of the square waveguide in a penetrated manner. The directional coupler provided by the invention can realize the effect of reflecting variation situations of the microwave power of an electric vacuum amplification device in the millimeter-wave band immediately and accurately, and since the directional coupler is the three-port device, the output port P2out of the rectangular waveguide achieves the coupling from a circular waveguide TE01 Mode to a rectangular waveguide TE10 Mode.

The invention relates to a low-noise modular air purification system. The low-noise modular air purification system comprises a medical exhaust air and fresh air integrated cabinet, a return air processing and air supply ceiling and return air ports, wherein the medical exhaust air and fresh air integrated cabinet is used for feeding fresh air and to-be-exhausted air and exhausting the fresh air and the to-be-exhausted air after processing; the return air processing and air supply ceiling is used for evenly mixing, purifying and filtering the introduced fresh air and return air and exhausting the mixed air in a light turbulence mode; and a medical room and a return air channel communicate through the air return ports so that the return air can be introduced into the return air processing and air supply ceiling. The low-noise modular air purification system can remarkably decrease the rate of postoperative infection and greatly reduce energy consumption; meanwhile, through highly integrated equipment and the modular installation mode, the construction cost and complexity are remarkably reduced, so that the construction cost of operating rooms is remarkably reduced, and the construction period of operating rooms is remarkably shortened; due to the facts that no special machine room or return air pipeline is required and the number of valves is small, the space requirements are reduced remarkably; and besides, noise can be remarkably lowered on the premise that sufficient air volume is ensured.

The invention discloses a laser processing system and a laser processing method capable of adjusting line width, and relates to the technical field of laser processing. The laser processing system comprises a laser device, a beam expanding mirror, a beam deflection assembly, a zoom lens set and a processing platform, wherein the laser device is used for emitting laser beams, the beam expanding mirror is used for expanding and collimating the laser beams, the beam deflection assembly is used for deflecting the laser beams and enabling the laser beams to do reciprocating motion back and forth, the zoom lens set is used for focusing the laser beams on a workpiece to be processed, the processing platform is used for bearing the workpiece to be processed and controlling the workpiece to be processed to do directional movement, and the laser beams emitted by the laser device sequentially pass through the beam expanding mirror, the beam deflection assembly and the zoom lens set and then forma laser scanning track with the certain line width on the workpiece to be processed. According to the laser processing system provided in the embodiment, the width of a laser processing line can be freely adjusted. In addition, the invention further provides the laser processing method capable of adjusting the line width in the other embodiment.

The invention discloses a method for rolling a high-precision alloy steel wire rod. The rolling method is characterized in that a six-shelf precise rolling rack is removed on the basis of a traditional rolling technology, a six-shelf three-roller reducing sizing mill and an online diameter measurement device are adopted to freely adjust the rolling size, so that the surface quality of the final product is relatively good, and the tolerance precision of the size is relatively high, meanwhile one group of water penetration cooling devices are respectively arranged at front and rear sides of the six-shelf three-roller reducing sizing mill to realize low temperature rolling and controlled rolling and controlled cooling, so that the mechanical performance of a rolling line product can be greatly increased; the rolling method is slightly changed based on an original production line, temperature and rolling control and precision rolling of the finished size can be realized, the improvement cost is simultaneously greatly reduced, the additional value of the product is increased, and the finished product is high in precision, and thus the change from plain carbon steel to special steel can be quickly realized in a steel plant.

The invention discloses a height adjusting device for surveying and mapping. The device comprises a bottom plate, a tripod and a supporting plate. The bottom plate is a circular plate, the upper end face of the bottom plate is provided with sliding grooves which are each of an arc structure, the distance D1 between the head end of each sliding groove and the center of the bottom plate is larger than the distance D2 between the tail end of each sliding groove and the center of the bottom plate, the three grooves are evenly arranged in the circumferential direction, the tripod comprises three telescopic rods, the lower ends of the telescopic rods are hinged to sliding rods, the sliding rods are in sliding fit with the sliding grooves, the bottom of each sliding groove is provided with multiple blind holes, and the lower ends of the sliding rods are in inserted connection fit with the blind holes. By means of the eccentric sliding grooves, the height of a whole supporting device is accurately and finely adjusted to be kept consistent with the height of a measured target, and practical using significance is great.

The invention discloses a rotary kiln sintering state recognition method with an artificial feedback regulation mechanism. The method is characterized by comprising the following steps: the first stage of extracting a cognition feature of a flame image to establish a complete recognition feature space of a sample; the second stage of establishing a reduction cognition feature space based on information granularity; the third stage of designing a cognition system through the adoption of an integrated RVFL classifier; the fourth stage of reliably evaluating a cognition result and freely regulating the information granularity according to an evaluation result, re-activating the second to the fourth stage, updating the reduction cognition feature space and feeding back the cognition repeatedly. Through the adoption of the method disclosed by the invention, the multi-level feedback cognition can be performed through the artificial free regulation of the complete cognition feature level, the cognition precision and stability are obviously improved, thereby really realizing the operation of replacing the manual fire watching by machine fire watching; the method lays the foundation for realizing the closed ring control of a rotary kiln clinker quality index.

A car seat armrest mechanism capable of freely shifting gears comprises an articulated shaft sleeve installation support and an articulated shaft. An articulated shaft sleeve is installed on the articulated shaft sleeve installation support, and an armrest installation plate is connected with the articulated shaft sleeve and can rotate around the articulated shaft sleeve; and a fixed pawl and a locking piece are installed on the articulated shaft sleeve, and a swing pawl is installed on a fixed shaft and provided with at least four swing pawl clamping grooves matched with fixed pawl clamping teeth on the fixed pawl, so that an armrest is provided with the at least three use gears and can circularly rotate between the lowest gear and the gear-up position. The car seat armrest mechanism capable of freely shifting the gears has the advantages that the structure is simple, operation is convenient, and the safety is better; the structure of an armrest installation support is changed, and the car seat armrest mechanism can be matched with most of seats in the market; through the multiple use gears and gear-up-and-down free adjusting, the armrest can be unlocked at any gear by unlocking buttons, and any gear can be freely shifted; and through the engaged structure of the fixed pawl and the swing pawl, the working stability and reliability are higher.