329 results about "Uniform rotation" patented technology

The invention relates to the technical field of motor manufacturing and detection, and discloses motor rotating shaft concentricity inspection equipment which comprises a supporting mechanism, a rotation driving mechanism, a detection sensor group, a data processing unit and an output unit. The detection sensor group comprises at least two displacement sensors arranged at intervals along the radial direction of the rotating shaft and at least one angle sensor used for acquiring the rotating angle of the rotating shaft; the data processing unit constructs a three-dimensional space motion trail model of the rotating shaft in the rotating process according to angle position data collected by the angle sensor in real time and radial displacement data collected by the displacement sensor in real time so as to determine concentricity parameters of the rotating shaft; the rotation driving mechanism is electrically connected with the data processing unit and controlled by the data processing unit to drive the rotating shaft to rotate at a constant speed at a preset rotating speed, and the data processing unit transmits concentricity parameters to the output unit to be displayed or stored. The defects of a traditional detection method in the aspects of precision, efficiency and intelligence are overcome.

The invention discloses a variable sweepback aircraft variant structure with inner and outer telescopic wings. The variable sweepback aircraft variant structure comprises outer wings, a fuselage, a lead screw system, push rods, inner wings, push rod connecting pieces, graphite copper sleeves and upper and lower guide rails, wing accommodating grooves are formed in the two sides of the fuselage respectively and used for accommodating the outer wings and the inner wings; the inner wing is located in the outer wing and connected with the outer wing through a rotating pair, and rotating motion can be achieved. The inner and outer wings are provided with chutes with special tracks, one end of a push rod is connected with the chutes, the other end of the push rod is fixed with a sliding table of a ball screw through a connecting piece, and a motor drives the screw to rotate to realize symmetrical movement of the push rod, control of actions of the inner and outer wings and wing deformation. Through the design of the sliding grooves of the inner and outer wings, the push rods are connected with the inner and outer wings through the sliding grooves, a certain supporting effect is achieved, the length of the sliding grooves is increased, the change range of the sweepback angle can be increased, the constant-speed movement of the lead screws realizes constant-speed extension of the outer wings and constant-speed rotation of the inner wings through movement of the push rods along the sliding grooves, and the overall structural design is simple and ingenious and flexible and convenient to use.

The present invention relates to the technical field of semiconductor processing and cleaning, and particularly to a Bernoulli chuck and a use method. The Bernoulli chuck comprises: a supporting seat which is rotatably arranged, wherein a plurality of supporting columns are rotatably arranged at the top of the supporting seat, holding columns are eccentrically arranged at the tops of the supporting columns, a shifting plate is arranged on the side wall of each supporting column, and a through shifting notch is formed in the shifting plate; a rotating seat which is coaxially arranged at the top of the supporting seat, wherein a shifting column is arranged on the rotating seat, the shifting column is always fitted into the shifting notch, and a plurality of elastic structures are arranged between the bottom of the rotating seat and the top of the supporting seat, so that when the supporting seat rotates at a variable speed, the rotating seat can rotate relative to the supporting seat, and when the supporting seat rotates at a constant speed from a variable speed, the rotating seat can return to the initial position; and a suction assembly coaxially arranged on the supporting seat.

The utility model discloses a thin-wall container vertical girth welding device which comprises a base and a welding support, the welding support is fixedly installed on one side of the upper end of the base, a rotating motor is arranged on the other side of the upper end of the base, a rotating installation disc is arranged at the upper end of the rotating motor, and an adjusting welding structure is arranged in the welding support. The utility model relates to the technical field of welding equipment, in particular to an adjustable welding structure, which is characterized in that firstly, two annular containers can be stably mounted through a rotary mounting disc and a hoisting fixing component, a gap of an annular seam position is ensured, and the annular containers are rotated at a constant speed through a motor, so that the annular seam welding operation can be conveniently carried out on the annular containers; and the screw rod is matched with the electric push rod, so that the height and the transverse position of the welding gun can be adjusted, and welding operation of annular containers of different specifications can be met.

According to the welding device for the photovoltaic power generation support, through operation of a feeding assembly, under driving of a feeding disc, workpieces start to rotate at a constant speed, so that the workpieces can be accurately transferred to a welding area according to a preset sequence, and therefore a set of efficient and smooth continuous feeding system is constructed; a solid foundation is laid for follow-up seamless continuous welding operation, along with dynamic changes of the feeding disc, the interlayer and the sealing cavity assembly are flexibly switched and closed to form a closed space, in the closed environment, the high-temperature flue gas recovery assembly filters flue gas generated in the welding process, and the high-temperature flue gas recovery assembly recovers the flue gas generated in the welding process. According to the welding device, the welding temperature is reduced to the maximum extent, pollution of smoke to the surrounding environment is reduced to the maximum extent, the workpiece can be preheated before welding by means of the synergistic effect of the workpiece preheating assembly, the workpiece can reach the temperature needed by welding more quickly and more evenly in the subsequent welding process, and therefore the welding quality and efficiency are remarkably improved.

The utility model relates to the technical field of quartz tube cleaning, in particular to a device for removing impurities on the surface of a quartz tube, which comprises a base, the top of the base is connected with a lifting frame through symmetrically arranged first electric push rods, and arc-shaped quartz tube clamping plates are symmetrically arranged on the lifting frame. The top of the base is connected with a rotating table through a rotating assembly, and a cleaning assembly is arranged on the rotating table. A second motor controls two second cleaning wheels to get close to each other through a second two-way screw and two second sliding plates, a servo motor controls a rotating table to rotate slowly at a constant speed through a rotating rod, and the rotating table can clean the inner surface of the quartz tube through first cleaning bristles on a first cleaning wheel; and then the outer surfaces of the quartz tubes are cleaned through second cleaning bristles on a second cleaning wheel, so that the inner surfaces and the outer surfaces of the single quartz tubes can be cleaned up, the cleaning effect is good, and convenience is achieved.

The invention discloses multi-angle grinding equipment for a diamond roller, which aims at the grinding process of the diamond roller, takes the turning machine tool principle as the basis, and takes the effect of grinding the outer edge surface of a to-be-processed roller body by gradually approaching a grinding head to the to-be-processed roller body rotating at a constant speed. The linear sliding action of the sliding seat and the angle deflection action of the adjusting table are used for achieving the multi-angle grinding action, specifically, the angle deflection action of the co-moving rotating plate relative to the adjusting table is achieved, a horseshoe-shaped pipe seat corresponding to the co-moving rotating plate is additionally arranged, and an oil seal sliding block and an inner oil pipe corresponding to the rotation of the co-moving rotating plate are arranged in the horseshoe-shaped pipe seat. Media such as hydraulic oil with small compression amount are filled in the adjusting table, the abnormal deflection action of the adjusting table is indirectly fed back by utilizing the oil pressure of the hydraulic oil, and the angle deflection process of the adjusting table is directly stabilized through the oil injection and discharge action of the hydraulic oil, so that the grinding precision of a to-be-machined roller body is maintained, and the problem of excessive grinding or insufficient grinding amount is avoided.

The utility model relates to the technical field of speed chain maintenance, and proposes a speed chain that is easy to maintain. When it is necessary to inject lubricating oil into the speed chain body for maintenance, the speed chain body can be started to rotate at a uniform speed, and then the forward and reverse motors are started so that the output ends of the forward and reverse motors drive the synchronization rod to rotate in the rail groove. At this time, two groups of driven slides located on the upper and lower sides of the speed chain body are affected by the rotation of the synchronization rod and then move toward each other at the corresponding threads of the synchronization rod until the bristles on the sides of the two groups of driven slides press against the speed chain body, and then the oil filling tank is opened to allow the lubricating oil to fall from the oil filling nozzle to the surface of the speed chain body. At this time, the lubricating oil attached to the speed chain body can be evenly spread by the bristles. Since the speed chain body is in a uniform rotation state, the lubricating oil injection and even spreading work of the entire speed chain body can be completed by the bristles and the oil filling nozzle without changing the position, thereby completing the maintenance of the speed chain body.

The invention relates to the technical field of acupuncture needle production, in particular to a full-automatic handle manufacturing and sharpening device for a flat-handle acupuncture needle. Comprising a sharpening unit, a material abutting unit is arranged on one side of the sharpening unit, the material abutting unit comprises a material conveying disc rotating at a constant speed, and a material shifting mechanism is arranged on the side, away from the sharpening unit, of the material conveying disc; two groups of pressing plates are symmetrically arranged on the two sides of the shifting mechanism; the sharpening unit comprises two sets of material grinding boxes, material grinding mechanisms are rotationally connected into the material grinding boxes, each material grinding mechanism comprises a grinding head, a V-shaped ring groove is formed in the center of each grinding head, and the height of each V-shaped ring groove is the same as the height of the corresponding set of material pressing plates and is parallel to the height of the corresponding set of material pressing plates. Under the condition that manual operation is not needed, automatic batch overturning and all-dimensional batch grinding of acupuncture needles are achieved. And under the condition that the grinding quality is guaranteed, the automation effect of the device is improved, the labor intensity is reduced, and the smoothness of sharpening work is guaranteed.

This invention relates to the field of booms, and discloses a rotary drive mechanism, a boom, and engineering machinery. The rotary drive mechanism includes an annular piston (10) and a stator. The annular piston (10) is provided with piston teeth having protruding curved tooth surfaces and piston teeth having inclined flat tooth surfaces. The stator is provided with stator teeth having protruding curved tooth surfaces and stator teeth having inclined flat tooth surfaces. The annular piston (10) can be driven to move axially relative to the stator. Through the above-described technical solution, the combination of the meshing of curved tooth surfaces and the meshing of flat tooth surfaces can ensure smooth transmission in the initial meshing stage, reduce noise, and allow the subsequent meshing stage to convert axial movement into uniform rotation, providing a more stable torque output.

The invention discloses a winding and sleeving method of a liquid hydrogen storage tank, which comprises the following steps of: fixing an inner container on a rotatable winding tool, rotating at a constant speed, winding a plurality of layers of heat insulation materials layer by layer, and synchronously sewing. Hoisting the inner container after winding, and mounting movable wheels on a bearing support at the bottom of the inner container; a guide rail is laid in the shell, and the inner container is horizontally hoisted to the starting end of the guide rail. The movable wheels slide along the guide rails, the inner container is horizontally moved into the shell, and hoisting points are alternately switched in the process so that the movable wheels can be disassembled in a segmented mode. The bearing support is used for supporting the inner container, and the concentricity of the inner container and the shell is adjusted; after the inner container is fixed, two ends of the shell are sealed and air tightness detection is performed. Introducing dry nitrogen into the inner container to replace moisture and air; and after the replacement is completed, vacuumizing to a set vacuum degree to complete the assembly. According to the method, nondestructive winding and assembling of the multi-layer heat insulation material are achieved, the large-volume storage tank manufacturing problem is solved, weld joints and material exposure time are shortened, and the storage tank quality and production efficiency are improved.

The present invention relates to the technical field of tent bracket processing, and specifically to a bracket welding device for tent processing, which solves the problem that during the existing tent bracket processing, the two ends of the tent bracket need to be manually aligned, and then the aligned bracket is fixed. The bracket alignment and fixing takes a long time, and the ends of the bracket are easily misaligned when being fixed, resulting in quality defects in the welded tent bracket. A bracket welding device for tent processing includes a plurality of fixing seats, and a plurality of linearly arranged connecting rods are fixed between each two adjacent fixing seats, and the upper surface of the fixing seat is provided with a positioning groove. The present invention quickly positions, aligns and fixes the tent bracket that needs to be welded and fixed, and allows the tent bracket to rotate at a uniform speed after fixing, thereby ensuring the welding quality of the tent bracket, shortening the welding preparation time, and improving the welding efficiency of the tent bracket.

The utility model provides a teaching mechanical arm based on artificial intelligence technology, which comprises a mounting seat and a teaching mechanical arm main body fixedly connected to the mounting seat, a movable assembly used for rotating and lifting the teaching mechanical arm is arranged in the mounting seat, and when the mechanical arm is used for teaching demonstration, a rotating motor can be started to drive the teaching mechanical arm to rotate. The rotating motor drives the movable rod to rotate so as to drive the lifting plate to rotate and the teaching mechanical arm body fixedly connected to the lifting plate to rotate, when the height of the teaching mechanical arm body needs to be adjusted, the driving piece is started and drives the gear to rotate, and the gear rotates to drive the movable rod to ascend or descend. By means of the structure, the demonstration height of the teaching mechanical arm body can be adjusted, the teaching mechanical arm body can rotate at a constant speed in the demonstration process, the working state and the operation process of the mechanical arm can be displayed in all directions conveniently, and the teaching effect is improved to a certain degree.

The application discloses a kind of intelligent suspension conveying systems for food sterilization, it is related to food industrial processing technical field, the system includes food sterilization conveyor, intelligent sterilizer, rotating gear, rotating rack and switching mechanism, there is closed conveying track in the top of food sterilization conveyor, the transmission chain connection hook of the opening two sides in track bottom portion, when not hanging sterilization frame, rotating gear is located track top and moves with hook;After hanging sterilization frame, its gravity makes rotating gear slide down and engages with rotating rack, drives hook uniform speed rotation sterilization.Switching mechanism is composed of sliding disc, insert ring, slot, magnetic ring etc., after sterilization frame is removed, can make rotating gear and rotating rack separate, stop hook rotation, the system can realize food uniform speed rotation sterilization in conveying process, improve sterilization effect, and can guarantee hook stable movement, facilitate subsequent recycling.

The utility model discloses a medicine packaging device with accurate quantification, which relates to the technical field of medicine processing and comprises a device body, a sealing mechanism is arranged below the outer surface of the device body and comprises a support, a motor is mounted on one side of the bottom of the support, and the output end of the motor is connected with a half gear. One side of the top of the support is connected with a torsion spring shaft which is sleeved with a first gear and a second gear. Through the arrangement of the sealing mechanism, after the motor is started, the output end drives the half gear to continuously rotate at a constant speed, a tedious positive and negative rotation control circuit and a valve pipeline are not needed, and teeth of the half gear are in meshing transmission when corresponding to the first gear, so that the first gear drives the torsion spring shaft and the second gear to rotate; the second gear is meshed with the two racks after rotating, so that the first clamping plate, the linkage plate and the second clamping plate move in opposite directions, and the two heat sealing blocks are close to each other to seal a packaging bag; the structure and the control circuit are simple, cost is low, and packaging bags can be sealed conveniently.

The utility model discloses a beveled flap disc forming device which comprises a base, a supporting frame is fixed to one side of the upper end of the base, and a positioning seat and a rotation driving assembly used for driving the positioning seat to rotate horizontally are movably installed at the bottom of one end of a straight section of the supporting frame. A guide rod and a telescopic electric cylinder I for driving the guide rod to transversely move are transversely mounted at the lower part of the positioning seat in a sliding manner; a second telescopic electric cylinder is controlled through a PLC H, the horizontal height of a flap disc is adjusted so that the edge of the flap disc can be matched with a milling tool, a second servo motor is controlled to adjust the grinding angle of a grinding machine and the grinding tool, and a first telescopic electric cylinder is controlled to adjust the distance between the milling tool and the edge of the flap disc under the cooperation of a guide rod and the like. And the servo motor I is synchronously started, the started coping machine can rotate at a constant speed in the radial direction of the sand page disc, and the edge part of the sand page disc is quickly ground and trimmed by utilizing the highly rotating milling cutter, so that the machining efficiency and the coping effect are effectively improved.

The utility model relates to the technical field of titanium ingot processing, and discloses a titanium ingot surface polishing device which comprises a main body, a dust collecting box is arranged in the main body, moving wheels are rotatably connected to the left side and the right side of the main body, a supporting column is arranged at the bottom of the main body, and a fixing frame is fixedly connected to the interior of the main body. An illuminating lamp is arranged on the inner side of the top of the main body, a movable grinding device is arranged on the top of the fixed frame, a second worm is rotated through a movable rotating mechanism, the second worm drives a first worm gear to rotate, then a sliding block drives a movable frame to move, and therefore clamping plates rotationally connected with the inner side of the movable frame are fixed to the two ends of a titanium ingot. A first motor is started, a second bevel gear drives a first worm to rotate, the first worm drives a second worm gear to rotate, the second worm gear drives a clamping plate to rotate, the clamping plate drives the titanium ingot to rotate at a constant speed, and therefore the movable grinding device can evenly grind the surface of the titanium ingot.

This application discloses a support device for welding and assembling circular tube metals, belonging to the field of welding assembly technology. It includes: a base plate; a fixed column fixedly connected to the upper end of the base plate; and a receiving seat slidably connected to the outer wall of the fixed column. This application achieves automated synchronization of workpiece rotation and welding torch oscillation. The transmission shaft drives the rolling wheel through a gear coupling, causing the clamped circular tube to rotate at a uniform speed, ensuring uniform circumferential weld formation. Simultaneously, power is transmitted to the turntable through a bevel gear set, converting the rotational motion into high-frequency reciprocating oscillation of the oscillating plate, thereby driving the welding torch to perform oscillating welding. This simultaneously completes the two core actions of circumferential welding and oscillating welding torch. The structure is compact and the transmission is highly efficient. Furthermore, the crank radius can be adjusted by an electric telescopic rod to precisely control the oscillation amplitude of the welding torch, adapting to different welding process requirements and significantly improving welding quality and automation.

The utility model discloses an angle-adjustable mould part punching device, and relates to the technical field of mould part punching, the angle-adjustable mould part punching device comprises a punching device body which is suitable for punching mould parts, the punching device body comprises a punching table, a supporting plate is fixedly installed on the outer surface of the right end of the punching table, and the right end of the punching table is provided with a clamping groove. And a placing disc is rotationally mounted on the right side of the top of the punching table, a placing groove is formed in the top of the placing disc, and the outer surface of the placing disc is fixedly sleeved with a driving fluted disc. The handle is arranged to drive the threaded rod to rotate, the threaded rod drives the moving block to gradually move so that the braking toothed plate can move left and right, the braking toothed plate and the driving fluted disc can be staggered to generate pushing force when moving left and right, the driving fluted disc can rotate left and right at a constant speed, and therefore a mold accessory is driven to rotate along with the driving fluted disc. And punching can be conducted on the peripheral angle, the punching angle can be conveniently adjusted according to needs, and then the effects of work convenience and flexibility are improved.

The invention relates to the technical field of rock mass mechanical testing, and discloses an on-site rock mass compression experiment method and device for coupling sound wave testing, and the method comprises the following steps: drilling four vertical holes downwards on site to form a cubic rock mass sample; a first ultrasonic transmitting probe, a second ultrasonic receiving probe, a first ultrasonic receiving probe and a second ultrasonic transmitting probe are sequentially arranged in each vertical hole, gradually increasing axial loads are downwards applied to the middle of the top surface of the rock sample during testing, and meanwhile, the probes cooperatively move to obtain ultrasonic detection data under different loads; the deformation condition of the rock can be monitored in real time, and the physical and mechanical parameters and the microstructure characteristics of the rock can be obtained through inversion in combination with sound wave test data; the device comprises a counter-force plate, an axial pressure mechanism and two constant-speed reciprocating mechanisms which are symmetrically arranged, each constant-speed reciprocating mechanism comprises an incomplete gear, a lower connecting rod and two racks, the two incomplete gears continuously rotate at a constant speed and can directly drive all probes to complete cooperative movement, and control is convenient.

The present invention relates to the technical field of cell biology experimental equipment, and in particular to a tilting and rotating device, which comprises a culture plate, an angle adjustment component, a tilt holding component and a driving member, wherein one end of the angle adjustment component is connected to the culture plate, and can adjust the angle between the culture plate and the horizontal plane; the tilt holding component is sleeved on the angle adjustment component, and one end abuts against the lower end surface of the culture plate, and is used to support the culture plate to maintain the angle with the horizontal plane; the other end of the angle adjustment component is transmission-connected to the output end of the driving member, and the driving member is used to drive the culture plate to rotate. By using the tilting and rotating device provided by the present invention, the culture plate can be adjusted to a certain tilt angle and the tilt angle of the culture plate can be maintained by the tilt holding component. After adding cell culture fluid, the culture dish on the culture plate is driven to rotate at a certain tilt angle and shake the cell culture fluid evenly through the uniform rotation of the driving member.

The utility model discloses a portable handheld welding machine auxiliary device which comprises a frame, two sets of moving seats are connected in the frame in a sliding mode, fixing plates are fixedly connected to the upper portions of the two sets of moving seats, a plurality of sets of sliding grooves are formed in the circumference of the outer wall of each fixing plate, and a device frame is installed at the telescopic end of an electric telescopic rod. A driving wheel is rotationally connected into the device frame, a driving motor is installed on the outer wall of the device frame, an output shaft is coaxially and fixedly connected with the driving wheel, and a driving mechanism for driving the multiple moving plates to slide is installed on the outer wall of the fixed plate. Through the internal and external cooperative clamping structure of the driving wheel and the rolling wheel, a round pipe can continuously rotate at a constant speed in the welding process, an operator can complete welding of a whole circle of weld joints at a time without repeated disassembly and adjustment, the problem of repeated arcing caused by welding interruption is avoided, welding defects such as incomplete fusion and air holes are effectively prevented, and the welding efficiency is improved. And the consistency and the reliability of a welding joint are improved.

The utility model discloses a plastic woven bag edge covering device. The plastic woven bag edge covering device comprises a base (1), a mounting beam (2) arranged on the base (1), a roller (3) arranged on the side face of the mounting beam (2), a sewing device (4) arranged at the top end of the mounting beam (2) and an edge covering belt (5) arranged on the base (1) and arranged on the side face of the roller (3). The plastic woven bag edge covering device is simple in structure, the woven bag is firmly adsorbed, stability is high, edge covering is conducted in the process that the motor drives the roller to rotate at the constant speed, the speed is stable, wiring is even, the edge covering efficiency is greatly improved, and the product quality is effectively guaranteed.

The invention relates to the technical field of part polishing, in particular to a precision mechanical part machining polishing machine which comprises a base and a rotating base arranged in the center of the base, and four clamping assemblies are connected to the outer side of the rotating base; the clamping assembly comprises a driving seat connected with the rotating base, and a left clamping plate and a right clamping plate which can move oppositely to clamp a workpiece are arranged on the driving seat. Through cooperation of the rotary base and the four-station design, continuous automatic production of feeding, polishing, detecting and discharging is achieved, and the production efficiency is improved; through the speed reduction transmission device structure, the polishing roller can be synchronously driven to rotate at a high speed and indirectly drive a workpiece to rotate at a low speed only through a single driving motor, efficient polishing is achieved through the rotating speed difference, the number of power sources is reduced, and the equipment manufacturing cost is reduced; through mechanical cooperation of the energy storage assembly and the arc-shaped sliding rail, mechanical energy in the polishing process is stored and released in the detection stage, and a workpiece is driven to rotate at a constant speed so as to complete high-quality detection.

The invention relates to the technical field of metal pipe fitting welding, in particular to a metal pipe welding device and method. The rolling shaft fixator comprises a fixing assembly used for fixing the metal capillary tube and a welding assembly used for conducting end face girth welding on the metal capillary tube, the fixing assembly comprises a fixing base, a motor and a metal tube control piece, the motor and the metal tube control piece are located on the fixing base, and the rolling shaft fixator comprises an outer frame, an inner frame and a second side end support, according to the automatic welding machine, clamping rotation and welding head feeding are synchronously controlled through a set of driving motor, full-process automation of clamping, centering, rotating and welding is achieved, the production efficiency is greatly improved, and instability of manual operation is eliminated; the uniform-speed rotation of the metal capillary tube ensures that the weld penetration of girth welding is uniform, the formation of weld joints is consistent, and the quality of welded joints is remarkably improved.

The utility model discloses a cylindrical metal packaging tin inner and outer wall polishing device which is characterized in that a transmission groove is formed in the middle of a base, four driving grooves are evenly distributed in the periphery of the base, driving lead screws in the grooves are meshed pairwise through gears in the transmission groove to achieve synchronous rotation, and a polishing assembly is driven to move in the horizontal direction; and the polishing requirements of inner and outer walls of tanks with different diameters are met. A transverse plate on the stand column is driven by a stand column motor and a lead screw to vertically move, and the height of the suction cup rotating assembly is adjusted to adapt to different tank heights. The suction cup rotating assembly adsorbs and fixes the tank body through an air pump, an air cylinder drives an extending block to be matched with a threaded rod, constant-speed rotation of the tank body is achieved, and full-circumferential automatic polishing is completed by combining positioning of a polishing plate. A central axis channel of the threaded rod optimizes the gas path layout, and the adsorption stability is ensured. According to the device, efficient switching and machining of polishing of the inner walls and the outer walls of tanks of different specifications are achieved through linkage transmission and height adjustment, and the production efficiency and the equipment universality are improved.

The invention discloses a skin care dressing production emulsification device, and relates to the technical field of skin care product processing, and the technical scheme is as follows: the skin care dressing production emulsification device comprises a workbench, the workbench is of a square structure, the bottom of the workbench is fixedly connected with a plurality of supporting legs, the top of the workbench is provided with an emulsification barrel, and the emulsification barrel is of a cylindrical structure; the stirring mechanism is arranged at the top of the emulsifying barrel, the constant-temperature mechanism is arranged on the outer side of the emulsifying barrel, a positioning frame is arranged at the top of the stirring mechanism, two positioning bolts are arranged at the top of the positioning frame, a hydraulic machine is fixedly connected to the bottom of the positioning frame, a lifting plate is fixedly connected to the bottom of the hydraulic machine, and a plurality of lifting rods are fixedly connected to the bottom of the lifting plate; the skin care product emulsifying device has the beneficial effects that the skin care product emulsifying effect is greatly improved, meanwhile, the two heaters rotating at a constant speed are adopted, so that the outer side of the emulsifying barrel is always kept in a constant-temperature state, and an emulsified product is prevented from being adhered to the inner wall of the emulsifying barrel due to too low temperature.

This invention relates to the field of gear performance testing technology, and more particularly to a gear performance testing system based on mixed metal powder pressing molding, comprising: a testing machine, which includes a rotating component and a support; a defect information acquisition module, including an eddy current probe for acquiring the induced electrical signal generated when the gear under test interacts with an alternating magnetic field and a purging component; a detection module for acquiring the vibration value of the eddy current probe and the dust concentration at a dust concentration sampling point below the eddy current probe; and a control module for determining the current rise slope of the alternating current based on the vibration difference, determining the vertical height of the support based on the overlap between the dust-containing area on the surface of the gear under test during the uniform rotation phase and the corresponding fixed area, and determining the purging duration of the purging component based on the decrease in dust concentration in the dust-containing area within a unit dust monitoring cycle. This invention improves the accuracy of gear performance testing.

This utility model discloses a gas pipe cleaning device, including a main body, a positioning mechanism, and a cleaning mechanism. The positioning mechanism includes a first motor, a transmission belt, a first rotating component, a second motor, a lead screw, a clamping block, and auxiliary components. The auxiliary components include a hydraulic cylinder, a positioning block, a first roller, and a second roller. The cleaning mechanism includes a second rotating component, a third roller, a pushing component, and a cleaning sleeve. With the cooperation of the above mechanisms, this device clamps and fixes the gas pipe, ensuring that the gas pipe will not shift or fall off during the cleaning process, thus guaranteeing the stability and safety of the cleaning process. In addition, the uniform rotation function of this device ensures that every part of the inner wall of the gas pipe is contacted, guaranteeing the uniformity and thoroughness of the cleaning.

The utility model belongs to the technical field of harvester unloading, and particularly discloses an electric unloading transmission assembly which comprises a first roller and a second roller, the first roller comprises a first roller body and a first auger, the second roller comprises a second roller body and a second auger, and the first roller body and the second roller body are communicated and connected. The axial direction of the first auger and the axial direction of the second auger intersect, a speed reducer and an installation support are installed on the first barrel, an electric motor is installed on the installation support and is in driving connection with the speed reducer, the installation support is further fixedly connected with the speed reducer, and the speed reducer is in transmission connection with the first auger. The auger is driven to do constant-speed circular motion, so that the unloading efficiency can be remarkably improved, the energy loss is reduced, the problems of hydraulic oil leakage and the like are solved, the system stability and safety are improved, the unloading auger uniformly rotates and quickly responds to adapt to the grain feeding amount of a granary, and the harvester can quickly make accurate response when quickly unloading grains at different harvesting speeds; and the speed is matched.