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904 results about "Self adjusting" patented technology

A self adjusting force is a force that keeps on adjusting its value in accordance of applied force till it reaches its maximum value named as limiting value .There are 3 forces in nature which are self adjusting. 1.Normal force.

Self-adjusting holster particularly adapted for holding implements of a wide range of sizes

An implement holster comprising a holster support, a first cradle attached to the holster support, a second cradle, and a resilient strap system connected between the holster support and the second cradle, the first cradle fitting within the second cradle. The implement holster further comprises a clip adapted for attaching the holster to a support, a rotator connected between the clip and the holster, and a detent system permitting the holster to be held in a plurality of different positions with respect to the clip.
Owner:NITE IZE

Manipulator for carrying automobile sheet metal parts

The invention discloses a manipulator for carrying automobile sheet metal parts, and relates to the technical field of manipulators, the manipulator comprises a supporting base, a mechanical arm and a plurality of suckers, the mechanical arm is mounted at the top of the supporting base, a U-shaped plate is mounted at the end, away from the supporting base, of the mechanical arm, and a supporting plate is fixedly connected to the lower end of the U-shaped plate; the supporting plate is provided with an adjusting assembly for automatically adjusting the height of the suction cups according to the automobile door frame, the adjusting assembly comprises limiting springs arranged on the outer surfaces of the suction cups in a sleeving mode, the middle of the U-shaped plate is hollow, and adjustment can be rapidly conducted according to the concave-convex condition of the door frame through the suction cups capable of being adjusted up and down; the time for manual intervention or readjustment due to the fact that the suction cups are not matched with the automobile door frame is shortened, the situation that adsorption is not stable due to the fact that the suction cups do not effectively make contact with the automobile door frame is avoided, and the phenomenon that abrasion occurs due to too large pressure when only a small number of suction cups are matched with clamping jaws to grab the automobile door frame is avoided; and the universality and the application range of the sucker type manipulator are improved.
Owner:JILIN COMM POLYTECHNIC

Brushless planetary gear speed reducing motor

The invention discloses a brushless planetary gear speed reducing motor, and belongs to the technical field of planetary gear speed reducing motors, the brushless planetary gear speed reducing motor comprises a base, a heat dissipation assembly and a torque self-adjusting assembly, the upper surface of the base is fixedly connected with a shell, the shell is provided with an air hole penetrating through the inner side and the outer side of the shell, and the outer side of the shell is provided with a heat conduction strip; a bearing in the shell is connected with one end of a motor winding, and the other end of the motor winding is coaxially and fixedly connected with one end of a driving shaft. According to the motor, the fan structure and the water-cooling heat dissipation structure are arranged inside the motor, so that the heat dissipation efficiency and effect can be improved, and the problem that the heat dissipation efficiency and effect are poor due to the fact that only the fan structure is arranged in the past and hot air circulates inside and outside the shell is solved; and after the motor is started, the torque is gradually reduced, so that the strength of the structure is improved, and the situation that the strength is reduced due to the fact that the torque is too long is avoided.
Owner:JIANGSU OUBANG MOTOR MFG CO LTD

Distribution box assembling and welding device and assembling and welding method thereof

The invention discloses a distribution box assembling and welding device and an assembling and welding method thereof, and relates to the technical field of distribution box assembling. The distribution box assembling and welding device comprises a center shaft, two sets of welding guns symmetrically arranged on a machine shell relative to the center shaft in the axial direction, a moving assembly arranged in the machine shell and used for driving the two sets of welding guns to move synchronously and reversely, and angle adjusting assemblies arranged on the moving paths of the welding guns. The angle adjusting assembly enables the angle of the welding gun to be changed with movement of the welding gun as power, and the angle adjusting assembly can enable the welding gun to be opened by the needed angle. The center shaft serves as a welding zero point, the two sets of welding guns are driven to move towards the opposite welding seams of the distribution box and get close to the opposite welding seams of the distribution box in a reverse movement and welding angle self-adjusting mode, double welding work of the welding seams of the distribution box is achieved, the welding running path is shorter, synchronous welding work can be conducted on the two sets of welding seams of the distribution box at a time, the welding efficiency is improved, and meanwhile the welding efficiency is improved. And the welding quality can be greatly improved, and the welding accuracy is ensured.
Owner:BEIJING HEROSAIL POWER SCI & TECH

Aluminum material shearing machine pressure self-adjusting feeding system based on synchronous rollers

The invention provides an aluminum material shearing machine pressure self-adjusting feeding system based on synchronous rollers, relates to the technical field of aluminum material shearing machines, and adopts three synchronous rollers to be mounted in a mounting groove in the surface of a turntable through a movable block, a pneumatic telescopic rod and a pressure sensor in a combined manner to form multi-point support and tension control on an aluminum material. The console collects an extrusion force signal output by the pressure sensor in real time, calculates an actual pressure value in the horizontal direction through a pressure decomposition algorithm in combination with a turntable angle output by the angle sensor, compares the actual pressure value with a preset tension threshold value to generate an error signal, and drives the pneumatic telescopic rod to dynamically adjust the position of the synchronous roller; and when the error exceeds a set range, the servo motor can be controlled to adjust the angle of the turntable, and the wrapping angle of the synchronous roller is changed to realize tension compensation. The conveying tension of the aluminum material under the complex working condition is kept stable, the conditions of loosening, wrinkling, deviation and too tight snapping are avoided, and therefore the stability of the aluminum material in the conveying process and the follow-up shearing precision are improved.
Owner:HUBEI KING PLASTIC COMPOSITE MATERIAL CO LTD

Tension adjusting device for cable production

ActiveCN222630727UEnhanced elastic cushioning effectFilament handlingControl theoryElectric cables
The utility model relates to the technical field of cable production, and discloses a tension adjusting device for cable production, two ends of a transverse frame of a support frame are respectively provided with a cable traction mechanism, a vertical frame of the support frame is provided with a lifting adjusting mechanism, and a lifting table of the lifting adjusting mechanism is provided with a cable tensioning mechanism. According to the utility model, by utilizing the horizontal traction of the traction roller in the cable traction mechanism and the butt clamping and limiting of the limiting roller, the tension traction work of cables with different thicknesses can be adapted, the on-site flexible adaptability is stronger, and when the tension traction is carried out, by utilizing the mechanical lifting and position correction of the lifting adjusting mechanism, under the elastic tension of the cable tension mechanism, the tension of the cables with different thicknesses can be adjusted. According to the cable tensioning and pulling device, real-time dynamic tensioning and pulling work can be conducted on a cable in the production and conveying process, the cable keeps proper tensioning performance to be conveyed and produced, the elastic buffering performance is better, and meanwhile the good self-adjusting tensioning adaptation performance is achieved.
Owner:SHANDONG ZHENGTONG CABLE CO LTD

Flexible arm space robot torque double-domain constraint control method based on improved FWN

The invention discloses an improved FWN-based torque double-domain constraint control method for a flexible arm space robot, and the method comprises the steps: constructing a dynamic model of a flexible arm space robot system, and constructing a torque double-domain constraint control system mathematical model in combination with the posture of a body and the constraint of the amplitude and the amplitude change rate of the control torque of a joint hinge; a torque double-domain constraint controller based on the improved fuzzy wavelet network is constructed, the torque double-domain constraint controller meets a torque double-domain constraint control system mathematical model, and corresponding control laws comprise an improved fuzzy wavelet network control law and an improved fuzzy wavelet network parameter self-adjusting control law; and the body attitude angle and the joint angle of the robot and the deformation coordinate and the vibration amplitude of the flexible arm are adjusted through the control torque which is generated by the torque double-domain constraint controller and subjected to double-domain constraint till the control target is achieved. According to the method, the problems of saturation effect and dynamic performance degradation of the actuator caused by insufficient consideration of double-domain constraints of the torque amplitude and the change rate of the joint driving mechanism are solved.
Owner:厦门工学院

Electric power inspection unmanned aerial vehicle

The invention belongs to the technical field of aviation equipment industry, and particularly relates to an electric power inspection unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a high-definition camera, a temperature sensing variable resistance plate, a flaming foreign matter removing mechanism, a load reduction feedback mechanism, a rotor rotating speed self-adjusting compensation mechanism, a lubricating state visual display mechanism and a PLC. The rotor speed of the unmanned aerial vehicle can be automatically adjusted based on the environment temperature and the condition that the load of the unmanned aerial vehicle is reduced due to fuel consumption in the use of the flaming mechanism, the flight stability of the unmanned aerial vehicle is ensured, and the situation that the unmanned aerial vehicle is more sensitive to airflow and wind direction changes due to excessive lift force can be avoided; according to the method, the problem that the flight stability is influenced due to the fact that the lubricating oil loss condition in the flight process of the unmanned aerial vehicle can be automatically calculated is solved, so that workers can arrange the maintenance time more reasonably, and unnecessary premature maintenance or too late maintenance is avoided.
Owner:GUANGZHOU CHUANGAO INFORMATION TECHNOLOGY CO LTD

Self-adjusting flow sensor

The invention relates to the technical field of sensors, in particular to a self-adjusting flow sensor. Comprising a pipeline, a guide piece, a movable block, a limiting piece, a convergent-divergent pipe, a fluid director, a turbine and a frequency sensor. The diameter of the convergent-divergent pipe is automatically adjusted so as to adjust the sectional area of the pipeline, namely, the sectional area of the pipeline is large when the flow is large, the sectional area of the pipeline is reduced when the flow is medium, the sectional area of the pipeline is further reduced when the flow is small, the pressure intensity of liquid is increased, and meanwhile the impact part of the liquid to the turbine is guided according to the flow; the portion where the liquid impacts the turbine is far away from the axis, the turbine can rotate conveniently, and therefore the flow detection range is wide.
Owner:HEFEI KERUN INTELLIGENT TECH CO LTD

Self-adjusting type railway track anti-sedimentation shock absorber

The invention relates to the technical field of railway track shock absorbers, in particular to a self-adjusting type railway track anti-sedimentation shock absorber which comprises a track body, a sleeper is installed at the top of the track body, a base plate is installed at the top of the sleeper, and a steel rail is fixedly installed at the top of the base plate through a fixing piece. A longitudinal damping mechanism is arranged at the top of the rail body, a transverse damping mechanism is arranged on the surface of the sleeper, and an adjusting mechanism is arranged between the longitudinal damping mechanism and the transverse damping mechanism. Through transmission structures such as a sliding block, the positions of a damping spring and a magnet can be automatically adjusted according to the weight, the running state and the vibration direction of a train; when the steel rail bears longitudinal pressure, the damping liquid and the damping spring cooperate for damping, and when the steel rail bears transverse force, the damping spring and the magnet repulsive force cooperate for energy dissipation and damping, and safe and stable operation of the rail is guaranteed in an all-around mode.
Owner:FOSHAN RAIL TRANSIT DESIGN & RES INST CO LTD

Pressure self-adjusting type fireproof door plate processing equipment and method thereof

The invention relates to the technical field of fireproof door processing, in particular to pressure self-adjusting type fireproof door plate processing equipment and a method thereof. Comprising a machining platform, and a supporting rotary disc is arranged in the center of the top of the machining platform; a supporting frame is arranged on the top of the supporting rotary disc. When the processing equipment disclosed by the invention is used for processing the fireproof door plate, the door frame and the door leaf panel can be relatively fixed in the vertical direction, so that the self-adjusting processing mechanism can conveniently compare the difference between the door frame and the inner wall of the door frame in real time and adjust the processing pressure when processing the edge of the door leaf panel; meanwhile, when the self-adjusting machining mechanism moves to the corner of the door leaf panel, a corresponding distance sensor can sense the self-adjusting machining mechanism, and a connecting block is controlled to rotate after contact between a corresponding limiting pressing block and the door leaf panel is released, so that the edge corner of the door leaf panel is exposed for machining; the machining quality of the machining equipment is improved, and meanwhile machining blind areas are avoided.
Owner:NANTONG JINMUDAN DOORS&WINDOWS MFG CO LTD

Metal continuous electroplating device with uniform plating layer

The invention discloses a continuous metal electroplating device with uniform plating, which belongs to the technical field of continuous electroplating and comprises a feeding conveying mechanism, a sky rail conveying line, a carrier and a continuous electroplating mechanism. A plurality of lifting conveying modules are fixedly installed at the moving end of the sky rail conveying line, a floating material carrying module is installed on the lower side of each lifting conveying module, and a plurality of hooks used for supporting carriers are evenly and fixedly installed at the bottom of each floating material carrying module at equal intervals. The continuous electroplating mechanism comprises a pre-washing pool, a cleaning pool, a complete electroplating pool, a local electroplating pool and a self-adjusting type shielding module; the base station is fixedly provided with a plurality of pre-washing pools for pre-treating electroplated parts; a pre-washing pool, a cleaning pool, a complete electroplating pool, a cleaning pool, a local electroplating pool and a cleaning pool are sequentially and fixedly mounted on the base table in the moving direction of the sky rail conveying line; and a self-adjusting shielding module is mounted in the local electroplating tank. In this way, continuous electroplating is achieved, and it is ensured that the contact depth of the functional face of the electroplated part and electroplating liquid is consistent.
Owner:SHANGHAI LANFENG AUTO PARTS CO LTD

Self-adjusting buoyancy configuration method suitable for seabed mine collecting car

The invention relates to the technical field of deep-sea mining, in particular to a self-adjusting buoyancy configuration method suitable for a seabed mine gathering car, which comprises a buoyancy configuration device, and the buoyancy configuration device comprises a car body attitude sensing system and a buoyancy adjusting system; the vehicle body posture sensing system comprises a radar and a multi-sensor combined system, the multi-sensor combined system comprises a vehicle body posture sensor, a speed sensor and an ACN underwater acoustic communication set, and the buoyancy adjusting system comprises a buoyancy device, a propeller propelling device, a vibration sensor and a vibration compensator. The inner side of the vibration compensator is connected with the mine lifting hose, the buoyancy device is connected with the outer side of the vibration compensator, and the propeller propelling device is connected with the buoyancy device.
Owner:CHINA MERCHANTS DEEPSEA RES INST SANYA CO LTD +1

Wave glider laying and recovery system and collaborative operation method thereof

The invention relates to the technical field of ocean unmanned vehicles, and particularly discloses a wave glider laying and recovery system and a collaborative operation method thereof.The wave glider laying and recovery system is composed of a transferring laying device, a tail buoy, a flat cable recovery device and a salvage recovery rod; the moving, transporting and laying device adopts a modularized quick-release structure and a positive and negative thread screw collinear self-adjusting positioning mechanism and is matched with a hand-pulled spring shackle to achieve five-minute zero-assembly laying, and a tail buoy achieves floating body electric control separation through a waterproof steering engine driving lead screw nut transmission and a guide column-guide sleeve conical self-centering structure. The flat cable recovery device is designed based on an eccentric cam self-locking principle and a progressive clamping mechanism, and is combined with a three-stage hoisting strategy to complete efficient and lossless recovery of the flexible flat cable of 7-8 meters; the invention further discloses a collaborative operation method of the wave glider laying and recovery system, which comprises the processes of moving and positioning, device separation, hand pulling and releasing and underwater unfolding in a laying stage, and a time sequence linkage strategy of buoy separation, positioning and dragging and graded hoisting in a recovery stage.
Owner:CETC NINGBO MARINE ELECTRONICS RES INST

Electric fascia gun self-adaptive to mechanical strength

The invention discloses an electric fascia gun self-adaptive to mechanical strength, and belongs to the technical field of electric fascia guns, the electric fascia gun self-adaptive to mechanical strength comprises a main body mechanism used for relaxing fascia of a patient part or a part needing to be relaxed, and the main body mechanism is provided with a self-adjusting mechanism for adjusting huge strength according to different pressing strength. The self-adjusting mechanism comprises a fixing cylinder fixedly installed in the fascia gun shell. By means of a mechanical self-adjusting mechanism, the pressing force of the hand of a user is directly converted into the impact strength of the operation tail end in real time, when the user presses down forcibly, the displacement of the outer sliding sleeve pushes the sliding column to move outwards without delay through the inclined groove plate and the lifting conical head, the eccentric distance of a transmission system is increased, and the transmission efficiency is improved. The stroke and the impact force of the operation tail end are linearly increased, accurate force feedback can be provided according to different body parts and muscle states, the poor relaxation effect caused by insufficient force is avoided, and damage possibly caused by excessive impact in a sensitive area is also prevented.
Owner:ZHEJIANG RED & BLACK TECH CO LTD

Self-adjusting roller cleaning device for cold rolling mill

The invention relates to the technical field of cold rolling mills, and discloses a self-adjusting roller cleaning device for a cold rolling mill, which comprises a combined cleaning mechanism and an elastic pressure reducing mechanism, the interior of the longitudinal hollow shell is in a hollow state, and the longitudinal hollow shell is installed in the rectangular hollow body. The movable valve plate enables liquid to flow from bottom to top in a one-way mode. The second spiral spring exerts downward elastic pressure on the movable valve plate. According to the self-adjusting roller cleaning device for the cold rolling mill, a cold rolling roller is cleaned in a combined mode of a scraper and a grinding belt, the scraping effect of the scraper can clean some hard sundries, the relative friction of the grinding belt can clean attachments in a wiping mode, and meanwhile, the self-adjusting roller cleaning device for the cold rolling mill is convenient to use. The grinding belt is in bent fit with the cold roller, so that the grinding belt has the characteristic of low pressure intensity per unit area, the effect of effectively cleaning the cold roller can be realized, and the occurrence of a scratching event caused by excessive pressure can be prevented.
Owner:LIAONING PROVINCE SHANYUE MASCH MFG CO LTD

Robotic arm cable assembly method and system

The application discloses a mechanical arm cable assembly method and system, and relates to the technical field of robot vision perception and control, and comprises the following steps: acquiring point cloud data of a working environment; fitting a cable center line according to the point cloud data and determining a relative pose matrix of a cable terminal and a target slot; determining an initial alignment attitude matrix of a mechanical arm end according to the relative pose matrix, so as to obtain initial joint angles of the mechanical arm and use the initial joint angles as a starting point of an assembly action; after selecting a grabbing point on the cable center line and planning an insertion path, entering an insertion stage from the starting point; according to detection of an insertion force and an insertion direction, performing error calculation and compensation until the insertion force change rate and the end pose error meet a set condition, and then determining that the assembly is completed. The application realizes self-perception, self-judgment and self-adjustment flexible assembly, improves assembly precision and robustness, and is suitable for automatic grabbing, guiding and insertion operation of flexible cables in industrial automation production.
Owner:SHANDONG UNIV

Self-adjusting diamond compact drill bit

The invention relates to the technical field of drill bits, in particular to a self-adjusting diamond compact drill bit which comprises a drill bit body, a cutting wing and a diamond compact, a tunneling mechanism is arranged on the side wall of the cutting wing and comprises two arc-shaped cavities formed in the side wall of the cutting wing, and a sliding plate is connected into each arc-shaped cavity in a sealed and sliding mode; an arc-shaped plate is fixedly connected to the side wall of each sliding plate, the other end of each arc-shaped plate is fixedly connected with a diamond compact, a communicating hole is formed between the two arc-shaped cavities, sealing plugs are symmetrically connected into the communicating hole in a sealed and sliding mode, and an arc-shaped rack is fixedly connected between the two sealing plugs. When the diamond compact drill bit enters a hard rock stratum from a soft rock stratum, the memory alloy rod, the gears, the bearing frame and other structures are arranged to drive the diamond compacts to rotate and adjust a certain angle, so that drilling in the hard rock stratum is more facilitated through the adjusted angle of the diamond compacts.
Owner:山西广凯机械科技有限公司

Multifunctional water retaining device for water conservancy construction

The invention discloses a multifunctional water retaining device for water conservancy construction, and relates to the technical field of water conservancy projects, the multifunctional water retaining device comprises a base and a first water retaining plate fixed at the top end of the base, a plurality of ground nails are arranged at the bottom end of the base, a self-adjusting assembly and a buffering assembly are arranged in the first water retaining plate, and the buffering assembly is located below the self-adjusting assembly; the self-adjusting assembly comprises an open groove formed in the first water baffle, and a second water baffle is installed in the open groove in a sliding mode. The situation that the height of a traditional water baffle is fixed and cannot be automatically adjusted according to the change of the water level, so that when the water level is higher than the water baffle, the water overflows from the top of the water baffle, and equipment and materials are damaged can be avoided, meanwhile, manual intervention can be reduced, the psychological pressure of constructors can be relieved, the working intensity is reduced, and in an emergency, the construction efficiency is improved. And workers can timely evacuate or take corresponding protection measures, so that the safety can be effectively improved.
Owner:ANHUI & HUAI RIVER WATER RESOURCES RES INST

Intelligent tilting device for a prefabricated, assembled base plate

Intelligent tilting device for a prefabricated, assembled base plate, comprising a base, a tilting support frame and a base plate, characterized in that The tilting support frame comprises a plurality of L-shaped support frames arranged side by side in a row, wherein a first tilting connection seat is provided on a rear side on the underside of a long side of the L-shaped support frame, wherein the first tilting connection seat is connected to the base by means of a pivot shaft, wherein a front side on the underside of the long side of the L-shaped support frame is connected to an end of a push rod, wherein one or more base plate support seats are provided in the middle on a underside of the long side of the L-shaped support frame, wherein the base plate support seat is provided with self-adjusting base plate support seats on both a front and rear side, and wherein an electromechanical sliding block, provided with a snap-lock section, is provided on the top of the short side of the L-shaped support frame.wherein the electromechanical sliding block can move up and down along the short side of the L-shaped support frame, and wherein an electromechanical snap lock is provided in the middle on a left or right side of the long side of the L-shaped support frame, wherein the electromechanical sliding block and the electromechanical snap lock are provided with pressure sensors, wherein the electromechanical sliding block and the electromechanical snap lock clamp the base plate and detect pressure data at a snap point; , The self-adjusting base plate support seat comprises a base plate, a top plate, a steel spring and a spring shaft, wherein an elastic cushion and a distributed pressure sensor are installed at a contact surface position on the top plate, the top plate being connected to the base plate by means of the spring shaft and the steel spring.
Owner:(SUZHOU) RAIL TRANSIT SCI & TECH RES INST CO LTD SHANGHAI CIVIL ENG GRP OF CREC +2

Wave self-adjusting bistable electromagnetic-friction power generation device

The invention discloses a wave self-adjusting bistable electromagnetic-friction power generation device, and belongs to the field of ocean engineering renewable energy sources, the wave self-adjusting bistable electromagnetic-friction power generation device comprises a shell main body, an energy capturing mechanism and an energy conversion mechanism, the shell main body comprises a cylindrical shell, a top plate, a partition plate and a bottom plate, and the partition plate divides the shell main body into an upper section and a lower section; the energy capturing mechanism is arranged in the lower section, the energy conversion mechanism is arranged in the upper section, and the energy capturing mechanism and the energy conversion mechanism are rotationally connected. The self-adjusting bistable mechanism is introduced, through cooperation of the piston assembly and the plate spring, the position height of the potential barrier can be automatically adjusted, inter-well oscillation can be achieved when the wave exciting force is small, the motion amplitude of the mass block is enlarged, and therefore the energy capturing efficiency is improved; the energy conversion mechanism is designed to combine electromagnetic power generation with nanometer friction power generation, the energy conversion efficiency, reliability and stability of the device are improved, and the device is compact in structure, convenient to install and suitable for being directly used in a ship body.
Owner:HUNAN UNIV

Mechanical arm cable assembly method and system

The invention discloses a mechanical arm cable assembly method and system, and relates to the technical field of robot visual perception and control, and the method comprises the steps: obtaining the point cloud data of a working environment; fitting a cable center line according to the point cloud data and determining a relative pose matrix of the cable terminal and the target slot; an initial alignment attitude matrix of the tail end of the mechanical arm is determined according to the relative pose matrix, and an initial joint angle of the mechanical arm is obtained through solving and serves as a starting point of the assembly action; after a grabbing point is selected on the center line of the cable and a plug-in mounting path is planned, starting to enter a plug-in mounting stage from a starting point; and error calculation and compensation are carried out according to detection of the insertion force and the insertion direction, and it is judged that assembly is completed until the insertion force change rate and the tail end pose error meet set conditions. Self-sensing, self-judging and self-adjusting flexible assembling is achieved, the assembling precision and robustness are improved, and the flexible cable automatic grabbing, guiding and inserting device is suitable for automatic grabbing, guiding and inserting operation of flexible cables in industrial automatic production.
Owner:SHANDONG UNIV

Self-adjusting shielding heat preservation device for micro reactor and operation method of self-adjusting shielding heat preservation device

The embodiment of the invention provides a self-adjusting shielding heat preservation device for a micro reactor and an operation method of the self-adjusting shielding heat preservation device, and relates to the field of nuclear reactors. The reactor comprises an outer shell, an inner shell, a control rod and a spiral flow channel, the inner shell is sleeved with the outer shell, an outer air inlet hole and an outer air outlet hole are formed in the outer shell, an inner air inlet hole and an inner air outlet hole are formed in the inner shell, a reaction cavity is formed in the inner side of the inner shell, and the spiral flow channels are arranged on the outer side of the inner shell and the inner side of the outer shell. The control rod is rotatably arranged on the side wall of the inner shell in a penetrating mode and located on the inner side of the outer shell, the control rod is provided with a control area and a non-control area, and the spiral runner is arranged between the inner shell and the outer shell; the outer gas inlet hole is used for inputting cooling gas, so that the cooling gas sequentially passes through the inner gas inlet hole, the reaction chamber, the inner gas outlet hole and the spiral flow channel and then is discharged from the outer gas outlet hole, and the cooling gas is used for flowing along the spiral flow channel and enabling the control rod to rotate so as to drive the control region to rotate into or out of the reaction chamber.
Owner:SICHUAN UNIV

Pressure self-adjusting double-sealing gate valve

The utility model discloses a pressure self-adjusting double-sealing gate valve, and relates to the technical field of gate valves. The pressure relief gate valve comprises a gate valve body, a plugging assembly is arranged in the gate valve body, and a pressure relief assembly is arranged in a plugging disc close to the inlet end of the gate valve body. A second bevel gear drives a first bevel gear to rotate, the first bevel gear drives a threaded rod to rotate, the threaded rod drives a sliding block to reversely move in a sliding groove, the sliding block drives a connecting block to move, and the connecting block drives a plugging disc to move to be attached to a positioning ring, so that the situation that leakage easily occurs due to single sealing can be avoided, and the purpose of improving the sealing performance is achieved; when pressure is applied, the blocking plate moves, water in the pipeline enters the gate valve body from the pressure relief hole, and after the pressure of the pipeline is reduced, the reset spring drives the blocking plate to reset through elastic force to block the pressure relief hole, so that the situation that the gate valve blocking structure is damaged due to too large pressure of the pipeline can be avoided, and the purpose of automatic pressure relief is achieved.
Owner:ZHEJIANG HANWEI VALVE MFG

Charging pile with self-protection function

The invention belongs to the technical field of new energy charging piles, and particularly discloses a charging pile with a self-protection function, which is mounted between a charging pile body and a fixed seat and comprises an upper support and a lower support, the upper wall of the upper support is fixed on the charging pile body, and the lower support is fixed on the fixed seat. A self-adjusting buffer mechanism is arranged between the upper support and the lower support, the self-adjusting buffer mechanism comprises a damping connecting body, a self-adaptive buffer assembly, a self-weight damping transmission assembly and a self-weight reverse damping assembly, the damping connecting body is arranged between the upper support and the lower support, and the self-adaptive buffer assembly is arranged in the damping connecting body. The linear motion of the connecting sliding block in the upper sliding groove and the linear motion of the sliding aluminum block in the lower sliding groove are converted into rotation of the upper rotating disc and the lower rotating disc, so that the damping effect in the collision direction is ensured, triple damping of the charging pile is achieved through eddy current damping, the spring and the self weight, and the risk of damage to the charging pile is reduced to the maximum extent.
Owner:SHANXI STATIC TRAFFIC CONSTR & OPERATION CO LTD

Gait parameter self-adjusting method based on deep learning

The invention relates to the technical field of intelligent robots, in particular to a gait parameter self-adjusting method based on deep learning. The method comprises the following steps that the initial joint angle of the blind guiding robot is obtained, joint conditioning is carried out, and the joint posture deviation value is determined; attitude calibration is carried out according to the joint attitude deviation value, and attitude calibration parameters are output; starting a radar and carrying out environment perception to generate an environment map; generating point cloud height information based on the environment map; calculating a local slope by using the point cloud height information, and determining a terrain slope value; inputting the terrain slope value into a neural network model, and outputting a foot end trajectory parameter; the blind guiding robot is driven to a preset destination through the foot end track parameters and the posture calibration parameters, and the joint stability is calculated. Based on real-time joint posture calibration and terrain perception of an intelligent robot technology, self-adaptive adjustment of gait parameters of the blind guiding robot is achieved, and gait stability and navigation precision are improved.
Owner:SHANDONG SAIFEITE SAFETY ENG TECH DEV CO LTD

Gate driver with self-adjusted adaptive dead time

A gate driver circuit includes a high-side region that operates in a first voltage domain; a low-side region that operates in a second voltage domain lower than the first voltage domain; a gate driver configured to drive a power switch between an on-state and an off-state with an adaptive dead time; a capacitor cross-coupled to the high-side region and the low-side region; a logic circuit configured to use the capacitor to detect a voltage transient of the power switch based on a first crossing of a threshold, and detect an end of the voltage transient based on a second crossing of the threshold; and an active-passive discrimination circuit configured to indicate whether the voltage transient is active or passive. The logic circuit is configured to regulate the adaptive dead time based on the second crossing of the threshold and based on the voltage transient being passive.
Owner:INFINEON TECH AUSTRIA AG

Bearing with stable lubricating performance

The invention discloses a bearing with stable lubricating performance, and relates to the technical field of bearing devices, the bearing comprises a static bearing and a dynamic bearing, the static bearing comprises a shell and a porous oil storage bushing, a sealing ring is arranged on one side of the porous oil storage bushing, an oil supplementing mechanism is arranged on one side of the sealing ring, and an auxiliary ring is arranged on one side of the oil supplementing mechanism; a movable bearing is arranged in the porous oil storage bushing and comprises a shearing shaft sleeve, a shaft wheel and supporting frames, the shaft wheel is arranged on the outer wall of the shearing shaft sleeve, the supporting frames are arranged on the two sides of the shearing shaft sleeve, the shearing shaft sleeve and the porous oil storage bushing are combined through the supporting frames, and one side of the shearing shaft sleeve is connected with an oil supplementing mechanism. An oil scraping plate and an oil outlet hole are integrated by rotating an oil supplementing arm, so that dynamic lubrication supply and pore self-cleaning are realized; by adopting the non-Newtonian fluid lubricant, the viscosity is improved under high-speed shearing, and the stability of an oil film under extreme working conditions is enhanced; the connecting block enables the oil supplementing system and the bearing to rotate synchronously, and self-adjusting lubricating circulation is formed.
Owner:GUANGDONG ANANG INTELLIGENT MFG SUPPLY CHAIN TECH CO LTD

Operation load control system and method for corn harvester

The invention relates to the technical field of agricultural machinery load control, in particular to a corn harvester operation load control system and method, and the system comprises a power extraction module, a speed regulation and control module, a trend analysis module, a parameter optimization module and a load closed-loop module. According to the method, frequency characteristics are extracted in a periodic and segmented mode through header power signals, load dynamic sensing is carried out, advancing speed adjustment is more real-time and prospective, response sensitivity and stability are improved in combination with PID control, equipment stably operates at multiple crop densities and plots, the torque increment of a main shaft is monitored in real time, and wavelet transformation multi-scale analysis is carried out; load fluctuation fine-grained identification is carried out, a roller gap and power output are dynamically adjusted to optimize parameters with a minimum mean square error, frequency and torque characteristic closed-loop comparison is constructed, control self-matching and continuous self-adjustment are carried out, error minimization and trend tracking feedback are fused, the intelligence of the harvester is enhanced, and load sudden change performance fluctuation and energy consumption loss are reduced.
Owner:SHANDONG YIJIANONG AGRICULTURAL EQUIPMENT CO LTD