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104results about How to "Precise distance control" patented technology

Plate bending device for processing box-type power distribution cabinet

The invention relates to the field of plate bending processing equipment, and discloses a plate bending device for box type power distribution cabinet processing, which comprises a workbench, a movable frame is movably mounted in the middle of the right end of the workbench, a rectangular through groove is formed in the upper side of the interior of the movable frame, and two fixed polished rods are fixedly connected to the upper side of the interior of the rectangular through groove. A plurality of sliding blocks are movably installed on the two sides of the interior of the fixed polished rod, pressing blocks are fixedly installed at the bottom ends of the sliding blocks, and a thick rotating shaft is movably installed at the position, close to the upper side of the fixed polished rod, of the interior of the rectangular through groove; a plurality of arc-shaped sliding grooves are formed in the outer diameters of the two sides of the thick rotating shaft, and the screw pitches of the arc-shaped sliding grooves are sequentially increased from inside to outside. The bending quality can be improved, the bending length can be accurately controlled, and different bending requirements can be met. And operation is convenient and efficient, manual intervention is reduced, all the components work cooperatively, and the working efficiency and quality of bending of the box-type power distribution cabinet plate are improved.
Owner:SHANDONG BOAO ELECTRIC CO LTD

Coating and shaping equipment for high-breathability PTFE waterproof breathable film

The invention discloses coating and shaping equipment for a high-breathability PTFE (Polytetrafluoroethylene) waterproof breathable film, which comprises a rack, a base cloth supply device arranged on the rack, a coating device arranged on the rack and used for coating a liquid raw material on the base cloth, a first coagulating basin arranged on the rack and below the coating device, and a cloth in-pool guide device arranged on the rack and at the outlet of the coating device, the cloth in-pool guiding device comprises a plurality of height-adjustable material guiding frames arranged on the machine frame side by side and a water inlet roller guiding mechanism, input material guiding rollers are arranged on the material guiding frames, a plurality of cloth tensioning transition rollers are arranged in the first coagulating tank in the feeding direction, and the connecting line of all the cloth tensioning transition rollers is in a downwards-protruding arc shape. A water outlet guide roller is arranged at one end, far away from the water inlet roller, of the first coagulating tank; a plurality of heaters and a plurality of temperature sensors are arranged in the first coagulating tank; a tension control device for controlling the tension force of the cloth is arranged on the rack, and a traction pressing vehicle for sending out the cloth is arranged on the discharging side of the tension control device on the rack.
Owner:ZHANGJIAGANG JIUHONG PRINTING & DYEING MASCH CO LTD

Welding device for drill bit production

The invention relates to the technical field of drill bit welding, and discloses a drill bit production welding device which comprises a base, a fixing assembly is installed on the upper end face of the base and comprises a plurality of external expansion plates, and a cylindrical base body is fixed to the outer sides of the external expansion plates; according to the device, by arranging the clamping mechanism and the adjusting assembly, coaxial positioning and equal-distance control over all the drill bit parts and the base body are achieved, and the multiple drill bit parts can be synchronously adjusted and positioned under the action of the clamping assembly through cooperative cooperation of an adjusting rotating shaft, a first driving gear and a plurality of threaded rods; when the first driving gear rotates, the threaded rods drive the clamping assemblies to be evenly close to the base body, and under the effect of the coaxial supporting barrel, it is guaranteed that the drill bit parts and the base body are always kept in a coaxial state; the drill bit parts are clamped through the evenly-arranged clamping pieces, the distance between each drill bit part and the axis of the base body can be accurately controlled, the deviation problem caused by step-by-step operation is solved, and therefore the coaxial precision in the welding process is greatly improved.
Owner:HUIZHOU FUYUAN HONGTAI PRECISION TECH CO LTD

Tin pick-up test workstation

The invention relates to the technical field of product tin pick-up testing, and discloses a tin pick-up testing workstation which comprises a rack, and a feeding station, a soldering flux pick-up station, a tin pick-up station, an automatic electric testing station and a discharging station are sequentially arranged on the rack; a tin soldering gantry module is further arranged above the soldering flux dipping station and the tin dipping station; at least one welding rod group is clamped on a feeding hollow rotating module of the feeding station; the tin soldering gantry module clamps a group of welding rods carrying products on the feeding hollow rotating module to sequentially pass through a soldering flux dipping station and a tin dipping station; the transfer module clamps the welding rod group of the product carried on the tin soldering gantry module to an automatic electric measurement station for automatic electric measurement; and the welding rod group product after the automatic electrical testing is completed is discharged to the discharging disc module through the manipulator discharging module. Compared with the prior art, the automatic tin pick-up test work of a plurality of products is realized through the plurality of stations and the tin soldering gantry module which are arranged in sequence, so that the working efficiency is greatly improved.
Owner:SUZHOU ZHIDAFU TECH CO LTD

Liquid crystal antenna and electronic device

The invention relates to a liquid crystal antenna and electronic equipment. The liquid crystal antenna includes: a phase shifter structure; the first substrate is positioned on one side of the phase shifter structure; one side, facing the phase shifter structure, of the first substrate is provided with a power divider wire; the first substrate and the phase shifter structure are attached to form a box. According to the technical scheme, the stability of radio frequency signal transmission is improved, and the signal transmission loss is reduced.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Cooperative control method and device for autonomous vehicle queue

The invention discloses an autonomous vehicle queue cooperative control method and device, the distance and speed between vehicles are ensured to be accurately controlled through a longitudinal control strategy, the safe distance can be maintained, the change of traffic flow can be adapted, the fluency and safety of a vehicle queue are improved, a transverse control strategy is responsible for lane keeping, steering and lane changing of the vehicles, and the vehicle queue cooperative control method and device are provided. By accurately controlling the transverse position and the steering angle of the vehicle, it is ensured that the vehicle stably runs in a lane, meanwhile, the lane changing operation can be safely and efficiently completed, the sharp turning and obstacle avoidance cooperative safety control strategy enables a motorcade to rapidly make adjustments when facing a complex scene, sharp turning and obstacle avoidance actions of the vehicle are achieved through cooperative control, and the driving safety of the vehicle is improved. According to the method, collision is avoided, driving safety is kept, information sharing and action coordination between vehicles are achieved through cooperative control of the motorcade, and the safety and stability of the motorcade are further improved.
Owner:CHANGXUN COMM SERVICE CO LTD

Intelligent robot for flower and fruit thinning of grapes and using method

The invention relates to the field of agricultural equipment, in particular to an intelligent robot for flower and fruit thinning of grapes and a using method.The intelligent robot comprises a grape trellis structure and a digital display control panel, a moving vehicle is movably arranged on the upper side of the grape trellis structure, a plurality of mechanical arms are arranged on one side of the moving vehicle, and image recognizers are arranged between the mechanical arms; each mechanical arm is provided with a shearing mechanical claw, one side of the moving vehicle is further provided with a lifting adjusting structure used for driving the mechanical arms and the image recognizer to ascend and descend vertically, and the moving vehicle is provided with a horizontal driving mechanism used for driving the lifting adjusting structure to rotate in the horizontal direction to be converted to the two sides of the grape trellis structure. The moving trolley is arranged on the grape trellis structure and matched with the lifting adjusting structure to move the mechanical arm and the image recognizer up and down, the cutting distance can be controlled more accurately through the shearing mechanical claw, long-time adjustment is not needed, in addition, face cutting treatment in the up-down direction is conducted in cooperation with a climbing rope on the grape trellis structure, and the working efficiency is improved. And grid type accurate focusing can be realized.
Owner:NINGXIA INST OF AGRI PROD QUALITY STANDARDS & TESTING TECH (NINGXIA AGRI PROD QUALITY MONITORING CENT)

Temperature control coaxial spray head device for biological 3D printing and photocuring printing method

The invention provides a temperature control coaxial spray head device for biological 3D printing and a photocuring printing method. The device comprises a rack, a coaxial printing nozzle and a UV light curing module. Accurate temperature adjustment of different biological materials is achieved through the temperature control module of the coaxial printing nozzle, it is ensured that the biological materials and biological cells in the materials are printed at the optimal temperature, and the printing efficiency is improved by replacing coaxial printing needles with different lengths and transparent outer needle walls and adjusting the UV photocuring mechanism. The UV light source forms a light spot on the outer side of the outer needle head of the coaxial printing needle head, and biological materials in the outer needle head of the coaxial printing needle head are pre-cured by controlling the power of the UV light source, the position and the size of the light spot, so that printing of a biological scaffold with high precision, multi-material integration, complex geometrical shape, adjustable porosity and gradient and better biocompatibility is met.
Owner:HARBIN INST OF TECH

Double-sided exposure device and method for high-order density circuit board

The invention discloses a double-sided exposure device and method for a high-order density circuit board, the double-sided exposure device comprises a workbench and a rack fixed on the workbench, the upper surface of the workbench is provided with an X-axis moving mechanism, the X-axis moving mechanism comprises two grooves which are arranged on the upper surface of the workbench and are parallel to each other, and the two grooves are arranged in the workbench. An X-axis linear module is arranged in each groove, and a fixing plate is arranged on a sliding table of each X-axis linear module; a circuit board rotating assembly and a Y-axis moving mechanism are arranged on the upper surface of the fixing plate. According to the invention, the double-sided exposure of the high-order density circuit board can be realized, after the front surface of the circuit board is exposed, the back surface of the circuit board can be exposed without taking down the circuit board and driving the circuit board to turn over, and the circuit board can be quickly supported and fixed by the circuit board fixing frame. The mask plate is quickly mounted by the mask plate fixing frame, so that the working efficiency of circuit board exposure is improved, and the whole exposure equipment is not complicated in structure and low in manufacturing cost.
Owner:SICHUAN HAIYING ELECTRONICS TECH

An angle grinder integrated with a glue curing detection structure

ActiveCN224737951Uavoid offsetavoid leaning
The utility model discloses an integrated glue solidification detection structure's angle grinder, including setting's machine base, install drive seat on the machine base, drive seat is symmetrically arranged, be connected with the angle seat through the movement structure on drive seat, the angle seat is distributed on the machine base upper end four corners, the clamping groove for placing photovoltaic board is seted up on the angle seat, the clamping groove is opposite to set up, install drive motor under drive seat, drive motor output end is connected with the rotating shaft, the rotating shaft is connected in the clamping groove inside through -penetrating, the rotating shaft outside is provided with the carousel. This integrated glue solidification detection structure's angle grinder, the angle seat is convenient for four corner positions of photovoltaic board to carry out positioning and polishing simultaneously, avoids the deviation or inclination of photovoltaic board in the processing, and the polishing of photovoltaic board corner is carried out through the rotary motion of carousel, and the whole structure is simple, reduces the problem that the maintenance cost increases due to the setting complex structure.
Owner:YAN CHENG ZHI SHENG BO KE JI YOU XIAN GONG SI

Material testing device and material testing method

The invention provides a material testing device and a material testing method, and belongs to the technical field of concrete structure reinforcement. The material testing device and the material testing method comprise a testing column, an adjusting structure and a driving part; the test column is used for winding the first part of the memory alloy wire; the adjusting structure comprises a first adjusting part and a second adjusting part; the first adjusting piece is used for winding a second part of the memory alloy wire, the second adjusting piece is used for winding a third part of the memory alloy wire, and at least one of the first adjusting piece and the second adjusting piece can move relative to the test column; the driving part is at least used for driving the first adjusting part and the second adjusting part to get close to each other or get away from each other. The problems that the process of installing the memory alloy wire on the test column is troublesome, and the test period of the memory alloy wire is long can be solved.
Owner:CHINA THREE GORGES RENEWABLES (GRP) CO LTD

Precision quantitative feeding pig feeder

ActiveCN224267787UAccurate and flexible quantitative usePrecise distance controlAnimal feeding devicesAnimal scienceCrop livestock
This utility model relates to the field of livestock breeding technology, specifically a precise quantitative feeding pig feed dispenser. It includes a base, a hopper and a guide frame seat on the base, and a quantitative feeding mechanism on the guide frame seat. The quantitative feeding mechanism includes a base plate, a top plate, and a material hopper with adjustable volume. This precise quantitative feeding pig feed dispenser, through its quantitative feeding mechanism, adjusts the amount of feed dispensed by controlling the volume of the material hopper. It can precisely and flexibly dispense feed from the hopper for pigs at different growth stages and with different breeding scales.
Owner:DEHONG PREFECTURE XINNONGYUAN ECOLOGICAL AGRICULTURAL DEVELOPMENT CO LTD

Crease-resistant comfortable polyester fabric and processing technology

The invention belongs to the technical field of layered products, particularly relates to a polyester crease-resistant comfortable fabric and a processing technology, and aims to solve the problems that a traditional polyester fabric is crease-resistant, but still has slight creases after being worn or washed for a long time, the attractiveness is influenced, the existing manual feeding efficiency is not high, and a dye mixing process needs to depend on additional instruments and is transferred. According to the scheme, the dyeing device comprises a dyeing box, the two ends of the dyeing box are provided with a discharging port and a feeding port which are used for fabric feeding and discharging correspondingly, and two first guide rollers used for guiding fabric are rotationally arranged in the dyeing box; the two second guide rollers are arranged in the dyeing box in a lifting mode, the height of the second guide rollers is adjusted through an electric push rod, the distance between the fabric and the spray head assembly can be accurately controlled, it is ensured that dye can be evenly sprayed on the fabric, the front face and the back face of the fabric can be sprayed at the same time, the dyeing efficiency and uniformity are improved, and the dyeing efficiency is improved. And the fabric can be conveniently inserted between the two groups of guide rollers.
Owner:ZHEJIANG TRIMAX IND

Steel plate rust removal mechanism for ship building and repairing

ActiveCN224255007UDiverse working surfacesAdapt to rust removal needsGrinding drivesGrinding machinesPolishingStructural engineering
The utility model discloses a steel plate rust removal mechanism for ship building and repairing, and relates to the technical field of steel plate rust removal. Comprising a movable support, the movable support is provided with a rust removal mechanism used for a steel plate for ship building and repairing, and the rust removal mechanism comprises the structure that when a sliding rail support rotates, the angle of a grinding wheel at the lower end of the sliding rail support can be adjusted, the grinding wheel is fixed to be in a vertical state, and in the ship building and repairing process, the working faces of the steel plate are diversified; a large number of horizontally-placed steel plates and vertical faces such as the side wall of the ship exist, through the rapid action of a second electric push rod, the grinding wheel can be rapidly switched between the two modes of horizontal grinding for plane steel plate rust removal and vertical grinding for ship side wall rust removal, manual disassembly and re-installation of grinding equipment are not needed, and the working efficiency is improved. The operation conversion time is greatly saved, the overall rust removal efficiency is improved, the rust removal requirements of steel plates at different positions and angles can be met, the working efficiency is improved, and multiple purposes are achieved through one machine.
Owner:ZHENENG SHIPBUILDING IND (SUZHOU) CO LTD

Electric injector capable of controlling injection amount

The utility model relates to the technical field of medical instruments, and provides an electric injector capable of controlling injection volume, which is used for clamping a medicine cylinder of an injector body and pushing a handle of the injector, and comprises a mounting frame with a bearing part; the first sliding device comprises a first sliding plate which is arranged on the bearing part in a sliding manner and is used for driving the cartridge to slide; the second sliding device comprises a second sliding plate provided with a push plate, the second sliding plate is slidably arranged on the bearing part and located beside the first sliding plate, the upper end of the second sliding plate is used for bearing the handle, and the push plate is used for abutting against the tail end of the handle; the rotating chuck is provided with a plurality of clamping grooves formed in the circumferential direction in an array mode, the rotating chuck is rotationally arranged on one side of the first sliding plate, and the clamping grooves are used for clamping medicine barrels. By means of the technical scheme, the problem that in the prior art, an injector cannot accurately control the injection amount of liquid medicine in the injection process is solved.
Owner:BEIJING BAOYI BIOTECHNOLOGY CO LTD

Waterborne epoxy floor paint emulsifying device

The utility model discloses a waterborne epoxy floor paint emulsifying device which comprises a base and is characterized in that the upper side of the base is connected with a swinging assembly, the swinging assembly is used for swinging a container for containing waterborne epoxy floor paint, the swinging assembly comprises an L-shaped support, the upper side of the L-shaped support is fixedly connected with a sliding rail, and the sliding rail is fixedly connected with the base. And a sliding block is arranged in the sliding rail. The utility model relates to the technical field of coating preparation equipment, in particular to a waterborne epoxy floor paint emulsifying device. According to the waterborne epoxy floor paint emulsifying device, through the arrangement of the swinging assembly, the container containing waterborne epoxy floor paint is in full contact with the ultrasonic emulsification probe in the swinging process, efficient emulsification is achieved, and the quality and stability of the floor paint are improved.
Owner:JINYIDE ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH (SHANDONG) CO LTD

A tension detection device

This invention discloses a tension detection device, belonging to the field of wire rope tension detection technology. It includes a support assembly, a displacement detection assembly, an arbitrary sliding assembly, a guide assembly, and a displacement measuring assembly. The support assembly drives the support base plate to rise and fall via a central support rod; the displacement detection assembly is mounted on the support base plate and drives the sliding panel to move axially via a screw drive; a spring tension gauge is mounted on the sliding panel via the arbitrary sliding assembly, and its force-bearing end is equipped with a hook; the displacement measuring assembly is located on the side of the sliding panel, and its scale is tightly attached to the side of the spring tension gauge under the drive of a top-holding spring. This tension detection device, through mechanized displacement adjustment combined with a follow-up scale, forms a unified tensile displacement measurement benchmark, solving the detection error caused by uneven displacement due to manual pulling, and realizing quantitative and standardized comparative detection of multi-rope tension. It has the advantages of rapid alignment, accurate detection, and simple operation.
Owner:ZHEJIANG TEAN TESTING TECH CO LTD

Urban asphalt pavement cold patch asphalt mixture construction mechanism

The utility model provides an urban asphalt pavement cold patch asphalt mixture construction mechanism, which relates to the technical field of asphalt paving and comprises a fixing frame, a mounting plate is fixedly mounted on the inner side of the fixing frame, an asphalt storage tank is fixedly mounted on the top surface of the mounting plate, and a motor is fixedly mounted at the top end of the asphalt storage tank. And stirring blades are installed at the output end of the motor, the surface of the asphalt storage tank communicates with a feeding hopper, the bottom end of the asphalt storage tank communicates with a material distribution plate, and a transverse plate is fixedly installed on the inner side of the fixing frame. The position of the scraper can be conveniently adjusted, a worker can accurately control the distance between the scraper and a road surface only by screwing the threaded rod, the scraper is very useful for scraping redundant asphalt cold-patch materials when filling gaps of the road surface, the scraper is used for scraping the higher asphalt cold-patch materials, the flatness of the road surface is ensured, and the working efficiency is improved. The construction quality is improved, and meanwhile, the safety and comfort of road use are improved.
Owner:ZHEJIANG CHANGXING MUNICIPAL ENG CO LTD

Stator shaft assembling device

The utility model discloses a stator shaft assembling device, which relates to the technical field of stator shaft assembling and comprises an assembling main body frame, the assembling main body frame is provided with a positioning clamp, stator winding equipment and a stator coil inserting seat, the positioning clamp is arranged on the assembling main body frame, and the stator winding equipment is arranged on the stator coil inserting seat. The positioning clamp comprises a clamp base, a positioning element, a supporting plate, a positioning block, a positioning disc and a clamping device, the clamping device is arranged on the positioning disc, the stator winding equipment comprises a winding rack, a connecting base, a winding shaft, an axial positioning shaft shoulder and a wire assembly, the winding rack is arranged on the assembling main body frame, the winding shaft is arranged on the winding rack through the connecting base, and the axial positioning shaft shoulder is arranged on the winding rack. The axial positioning shaft shoulder is installed on one side of the winding shaft, the wire guiding assembly is arranged on the winding rack, the stator wire inserting base is arranged on the assembling main body frame, the novel stator shaft assembling device can efficiently and accurately complete assembling work of the stator shaft, the production efficiency is improved, the defective product rate is reduced, and remarkable economic benefits are brought to the motor manufacturing industry.
Owner:江苏通展精密机械有限公司

A pitch mechanism, a hub assembly, a rotor mechanism, and an aircraft

The utility model relates to a variable pitch mechanism, paddle hub assembly, rotor mechanism and aircraft, relate to aircraft technical field to solve the problem of complex, inconvenient maintenance or lubrication management complex of multi-bearing combination assembly in the prior art. The utility model's variable pitch mechanism, including variable pitch hinge support piece, paddle clip shell and transmission assembly, transmission assembly sets up between variable pitch hinge support piece and paddle clip shell, transmission assembly includes tapered roller bearing and bearing lubrication passageway, bearing lubrication passageway provides lubricating oil to tapered roller bearing, and tapered roller bearing provides axial and radial collaborative load for the relative motion of variable pitch hinge support piece and paddle clip shell. The utility model passes through tapered roller bearing, effectively deals with the composite load produced in the variable pitch process, and bearing lubrication passageway can continuously provide lubricating oil to tapered roller bearing, reduces friction loss, prolongs bearing service life, and improves the operation stability and reliability of variable pitch mechanism.
Owner:芜湖联合飞机科技有限公司

A plate bending device for processing box-type power distribution cabinet

The present invention relates to the field of sheet bending processing equipment, and discloses a sheet bending device for processing box-type power distribution cabinets, including a workbench, a movable frame movably installed in the middle of the right end of the workbench, a rectangular through groove is provided on the inner upper side of the movable frame, two fixed light rods are fixedly connected to the inner upper side of the rectangular through groove, a plurality of sliding blocks are movably installed on both sides of the inner part of the fixed light rods, a clamping block is fixedly installed on the bottom end of the sliding block, a coarse rotating shaft is movably installed at the inner part of the rectangular through groove near the upper side of the fixed light rod, a plurality of arc-shaped sliding grooves are provided on the outer diameters of both sides of the coarse rotating shaft, and the pitch of the arc-shaped sliding groove increases from the inside to the outside. The present invention can improve the bending quality, accurately control the bending length, and adapt to different bending requirements. The operation is convenient and efficient, and manual intervention is reduced. The components work together to improve the work efficiency and quality of bending the sheet of the box-type power distribution cabinet.
Owner:SHANDONG BOAO ELECTRIC CO LTD

Assembly tool and assembly technological process for vertical fin of unmanned aerial vehicle

The assembly tool comprises a support, two cross beams and two longitudinal beams, the cross beams and the longitudinal beams are horizontally arranged and fixedly installed on the support, and positioning pins and rear beam supporting grooves are oppositely arranged on the two cross beams. The two ends of a main beam of the vertical fin of the unmanned aerial vehicle are installed on the positioning pins and the rear beam supporting grooves respectively, a plurality of wing rib clamping grooves are formed in any longitudinal beam, a plurality of wing ribs of the vertical fin of the unmanned aerial vehicle are placed on the wing rib clamping grooves respectively, and a height adjusting device is arranged at the bottom of the support. The two ends of the main beam of the vertical fin of the unmanned aerial vehicle are installed on the positioning pins and the rear beam supporting grooves correspondingly, the wing ribs of the vertical fin of the unmanned aerial vehicle are placed on the wing rib clamping grooves correspondingly, and the height adjusting devices are arranged at the bottoms of the supports. The requirements for high wing shape precision and high assembly requirements of the vertical fin of the unmanned aerial vehicle can be met, the assembly efficiency can be improved, and the cost can be reduced.
Owner:SHANGHAI JIAOTONG UNIV +1

Vehicle

The invention discloses a vehicle which comprises a connecting structure and driven steering wheels arranged at the two ends of the connecting structure, the connecting structure comprises a steering part, the steering part is provided with a rotating shaft, the driven steering wheels are in clearance fit with the rotating shaft, the vehicle further comprises a main driving wheel, and the main driving wheel drives the driven steering wheels to rotate around the rotating shaft. The connecting structure further comprises a steering shaft, the steering part drives the driven steering wheel to rotate around the axis of the steering shaft, the vehicle is further provided with an adjusting device, and the adjusting device can drive the driven steering wheel to move along the axis of the rotating shaft so as to adjust the distance between the driven steering wheel and the steering shaft. The invention provides a vehicle to solve the technical problem that when an existing vehicle is braked, the vehicle deflects due to braking, so that vehicle driving is affected, and the technical problem that in the prior art, the braking effect of the vehicle is reduced due to braking deflection prevention is solved.
Owner:潍柴新能源商用车有限公司

Self-adaptive scalp acupoint moxibustion machine

The invention belongs to the field of moxibustion machines, and discloses a self-adaptive scalp acupoint moxibustion machine, which comprises a fixing sleeve, the adjusting sleeve is installed in the fixing sleeve, openings are formed in the top end and the bottom end of the adjusting sleeve, the adjusting sleeve is arranged to move in the fixing sleeve, the adjusting sleeve comprises a plurality of adjusting seats, and the adjusting seats are arranged to be close to or away from each other in the adjusting sleeve at the same time. According to the moxibustion device, through flexible movement of the adjusting sleeve in the fixing sleeve, self-adaptive adjustment aiming at different head types is achieved, it is ensured that the distance between a moxa stick and the scalp can be accurately adjusted according to the head types of different users, and a third power source and a distance sensor in the moxibustion box jointly act; the distance between the moxa stick and the scalp is accurately controlled, it is ensured that the moxa stick is always kept within the optimal distance range, the risk of skin burn is avoided, and the moxibustion effect is ensured.
Owner:COMMUNITY HEALTH SERVICE CENT OF ZHENRU TOWN PUTUO DISTRICT SHANGHAI

High-precision high-stability focusing mechanism

A high-precision and high-stability focusing mechanism disclosed by the present invention comprises a focusing transmission assembly, a focusing support assembly, a focusing carriage assembly and four slide rails, the focusing transmission assembly is mounted on the upper wall of the focusing support assembly, the focusing carriage assembly is arranged on the inner side of the focusing support assembly, and the four slide rails are mounted on the upper wall of the focusing support assembly. The four sliding rails are all arranged between the focusing sliding frame assembly and the focusing supporting assembly, the fixed ends of the four sliding rails are all installed on the side wall of the focusing supporting assembly, the sliding ends of the four sliding rails are all installed on the side wall of the focusing sliding frame assembly, and the focusing sliding frame assembly can slide on the inner side of the focusing supporting assembly through the sliding rails. According to the device, the focusing transmission assembly drives the focusing carriage assembly to move, the focusing carriage assembly drives the focal plane of an external camera to move, so that the purpose of focusing the camera is achieved, and meanwhile, the device adopts the design of four sliding rails, so that the adjusting carriage assembly is more stable in sliding.
Owner:SUZHOU JITIAN XINGZHOU SPACE TECH CO LTD

Directional fan-shaped range pickup method and system based on microphone linear array, terminal and medium

The invention discloses a directional fan-shaped range pickup method and system based on a microphone linear array, a terminal and a medium, and the method comprises the steps: building the microphone linear array which comprises at least one directional microphone and a plurality of omnidirectional microphones; determining a sound source angle and a distance between a sound source and the center of the omni-directional microphone based on the phase difference between the omni-directional microphones, and determining a fan-shaped pickup area based on the sound source angle and the distance to realize fan-shaped range pickup; and determining a position relationship between the sound source and the microphone linear array based on an amplitude difference between the directional microphone and any omnidirectional microphone, and obtaining a directional fan-shaped pickup area based on the position relationship and the fan-shaped pickup area, thereby realizing directional fan-shaped range pickup. The position relation means that the sound source is located in front of or behind the microphone linear array. According to the invention, the pickup distance and angle can be accurately controlled, and the directional fan-shaped range area pickup can be effectively solved.
Owner:ELEVOC TECH CO LTD

Gear shaft positioning and drilling clamp

The utility model relates to the technical field of gear shaft machining equipment, and discloses a gear shaft positioning and drilling clamp which comprises a base and a mounting groove, positioning and clamping assemblies are oppositely arranged above the base, an adjusting assembly is arranged in the base, each positioning and clamping assembly comprises a mounting plate, and the mounting plate is provided with a positioning hole. A hollow shaft is rotationally connected to the interior of each mounting plate, a first driven gear and a second driven gear are fixedly connected to the two ends of each hollow shaft correspondingly, fixing blocks are evenly and fixedly connected to the surfaces of the mounting plates, and a first guide rod is fixedly connected between the opposite surfaces of every two fixing blocks; racks are slidably connected to the surfaces of the first guide rods correspondingly, and guide inclined grooves are evenly formed in the surfaces of the racks. According to the gear shaft machining clamp, the positioning and clamping assembly and the adjusting assembly are used in cooperation, so that the clamp can adapt to machining of gear shafts of various specifications, the production efficiency and the equipment utilization rate are greatly improved, and the production cost is reduced.
Owner:CHONGQING QIJIANG DISTRICT HUAFENG TRANSMISSION CO LTD