42results about How to "Play the role of positioning support" patented technology

The invention discloses a continuous drilling device for producing cylindrical hardware fittings. The continuous drilling device comprises a base plate, a feeding mechanism and a discharging mechanism, and further comprises a continuous drilling component, wherein the bottom surface of the base plate is symmetrically provided with support feet; the feeding mechanism and the discharging mechanism are separately arranged on both sides of the continuous drilling component; the continuous drilling component includes a horizontal moving mechanism, a clamping mechanism, an I-shaped support plate anda drilling mechanism; the I-shaped support plate is fixedly connected to the upper portion of the base plate through a first column, and is parallel to the base plate; the horizontal moving mechanismis arranged between the I-shaped support plate and the base plate; the clamping mechanism is connected to the top surface of the horizontal moving mechanism; and the drilling mechanism is connected to the upper portion of the I-shaped support plate through a lifting mechanism. The continuous drilling device for producing the cylindrical hardware fittings has the advantages of simple structure andhigh practicability; and the continuous transportation and drilling of the cylindrical hardware fittings are achieved, the clamping accuracy of the cylindrical hardware fittings is improved at the same time, and then the accuracy and quality of drilling machining are improved so as to meet the needs of assembly line production.

The invention discloses an auxiliary device for welding a copper-aluminum pipe in a refrigeration part and a process of the auxiliary device. The auxiliary device comprises a welding table, a conveyorbelt, a first horizontal moving plate, a second horizontal moving plate, a welding mechanism and an auxiliary mechanism, wherein the welding mechanism is fixedly connected onto the top surface of thefirst horizontal moving plate; the first horizontal moving plate is connected onto the welding table through a first moving mechanism; the auxiliary mechanism is fixedly connected onto the second horizontal moving plate through a stand column; the second horizontal moving plate is welded on the welding table through a second moving mechanism; and the conveyor belt is rotationally connected onto the top surface of the welding table. The process comprises the following steps of processing the welding table, mounting the welding mechanism, mounting the first moving mechanism, mounting the auxiliary mechanism, mounting the second moving mechanism and welding the refrigeration part. Through the adoption of the auxiliary device and the process, the copper-aluminum pipe in the refrigeration pipecan be clamped and positioned, so that the condition that the refrigeration pipe shakes in the welding process to influence the welding quality and the welding precision of the copper-aluminum pipe in the refrigeration pipe is prevented.

The invention belongs to the technical field of mechanical equipment, and particularly relates to a chassis mounting structure for an industrial robot. The chassis mounting structure comprises a baseassembly and a connecting assembly arranged on the base assembly. The base assembly comprises a base, a supporting cylinder and supporting blocks, the supporting cylinder is integrally arranged at thetop of the base, the supporting blocks are uniformly arranged along the periphery of the supporting cylinder, and every two adjacent supporting blocks, the base and the supporting cylinder form a mounting groove, and the side wall, corresponding to each mounting groove, of the supporting cylinder is provided with an air inlet. Torque transmission of the output end of a motor is facilitated, a positioning support effect is achieved, the dynamic performance of a shaft system is effectively improved, the pressure of the output end of the motor is reduced, the stable operation of an actuating mechanism is facilitated, the service life of the shaft system can be prolonged, the circulation speed of air around the motor can be accelerated, the heat dissipation effect of the chassis mounting structure is improved, the dustproof effect is achieved while heat dissipation is facilitated, and stable operation of the machine body is guaranteed.

The invention discloses an insertion and extraction force detection device for double-end jacks, and a method thereof, and relates to the field of insertion and extraction force detection. In the device, a detected part is clamped and delivered onto a linear moving unit through a feeding device; the detected part is clamped and located by the linear moving unit; the linear moving unit carries thedetected part onto an upper insertion and extraction force detection device, so that the insertion and extraction force of an upper jack of the detected part is detected; and, after detection, the linear moving unit carries the detected part onto a lower insertion and extraction force detection device, so that the insertion and extraction force of a lower jack of the detected part is detected. According to the method in the invention, the upper insertion and extraction force detection device for detecting the insertion and extraction force of the upper jack and the lower insertion and extraction force detection device for detecting the insertion and extraction force of the lower jack are arranged along the moving direction of the linear moving unit; therefore, the insertion and extractionforce of the two-end jacks can be detected by one-time clamping; furthermore, an insertion and extraction force test needle is independent and can be replaced; the height of a locating device can be adjustable; therefore, the insertion and extraction force detection device in the invention can be adaptive to detected parts, which are same in two-end size, different in two-end size and different inlength; and thus, the application scene of the insertion and extraction force detection device in the invention is greatly expanded.

The invention discloses an embedded vehicle display screen and a manufacturing method thereof. The display screen comprises a display screen body, side plates, supporting mechanisms and horizontal positioning rods, supporting mechanisms are arranged on the inner side surfaces of the side plates; the supporting mechanism comprises a first positioning plate, a second positioning plate, a movable plate body, a fixed plate body and an elastic assembly. The two elastic assemblies are vertically arranged between the movable plate body and the fixed plate body in parallel, at least two sliding blocksare arranged on each elastic assembly, a connecting rod is arranged between the two opposite sliding blocks on the two side plates, at least two horizontal positioning rods are fixedly connected to the two connecting rods, and the horizontal positioning rods are connected with the display screen body through an elastic pressing device. The method comprises the steps of side plate machining, supporting mechanism installation, elastic assembly installation, horizontal positioning rod installation and display screen body installation. The mounting and dismounting requirements of vehicle displayscreens of different sizes and models can be met, maintenance is convenient and fast, the damping and buffering effects on the display screens can be achieved, the service life of the display screensis prolonged, and the reliability of the display screens is improved.

The invention discloses an argon shield welding device for a titanium cup. The argon shield welding device comprises a welding assembly and a rack, and further comprises an argon transmission assemblyand a rotary locating assembly. The rotary locating assembly is arranged on the rack. The welding assembly cooperates with the rotary locating assembly, and the argon transmission assembly is connected with the rotary locating assembly. In the welding process, air is discharged through the argon transmission assembly, the inner side and the outer side of a weld joint of the titanium cup are fullyisolated from air, and the possibility that titanium is prone to being in contact with oxide, hydrogen, nitrogen and the like in the air to generate oxidization or other reactions in the high-temperature molten state is avoided; and the problem that the welding defects of air holes, oxidization and the like are prone to being generated on the surface of the weld joint in the existing process is effectively solved, the quality of a finally-formed product is improved, and titanium plasticity is improved, and the requirement of modern titanium cup production is quite met.

The invention discloses a cloth conveying device used for a textile machine. A box body is included, and is internally provided with an intermittent conveying mechanism; the left side and the right side of the intermittent conveying mechanism are provided with two feeding belts and two discharging belts correspondingly; the intermittent conveying mechanism comprises a base, side plates, intermittent rotating disks and a second motor; two lower supporting plates are arranged between the two side plates; upper supporting plates are arranged above the lower supporting plates; a guiding groove isformed between the upper supporting plates and the lower supporting plates; a rotating shaft is connected to the second motor; the two intermittent rotating disks are fixedly connected to the rotatingshaft, and are located on the side close to the side plates; and a dust clearing mechanism is arranged on the top face of the box body. The cloth conveying device used for the textile machine is simple in structure and high in practicability, conveying can be achieved on the discharging belts through the intermittent conveying mechanism, the labor intensity of manual carrying is greatly lowered,the cloth conveying efficiency is improved, the conveying interval between all cloth conveying rollers can be controlled, and then the binning time of cloth is controlled.

The invention discloses a strong-practicality instrument and a detection method thereof. The instrument comprises an observation window, a binding post, a base, a fastening bolt, a lower casing, an upper casing, a crank, an adjusting mechanism, a supporting plate, a first bolt hole, a clamping post, a clamping slot and a second bolt hole, wherein an inner portion of the base is equipped with the adjusting mechanism, through turning a turn button, a rotating shaft is driven to rotate to drive a first linear bevel gear to rotate, the first linear bevel gear is in engagement connection with a second linear bevel gear through thread to drive the second linear bevel gear to rotate, a thread sleeve is driven by the second linear bevel gear to rotate, the thread sleeve is in engagement connectionwith a thread rod through thread to drive the thread rod to rotate, and the supporting plate is driven to lift up and down. The instrument is advantaged in that the equipment is lifted up and down, the instrument is convenient to use, in the lifting up and down process of the supporting plate, a guide post slides in a guide sleeve, the positioning and supporting effect is realized, and the excellent damping effect is realized through a spring.

The invention discloses a workpiece positioning mechanism of a laser cutting machine, and relates to the technical field of laser processing. The clamping device comprises two sets of clamping assemblies which are oppositely arranged. The clamping frame is symmetrically matched with clamping plates in a sliding manner; the mounting frame is in sliding fit with a transmission assembly; the mounting hole is in sliding fit with the sliding rod; a rotating shaft at one end of the driving roller penetrates through the mounting table and is fixedly connected with a rotating gear; the two sliding channels are in sliding fit with sliding pieces. And the upper gear rack and the lower gear rack are respectively meshed and matched with the two rotating gears. A workpiece is clamped and fixed through the clamping plates on the two clamping frames, and the servo motor is started to drive the lead screw to rotate, so that the transmission assembly is driven to slide, the to-be-cut position is located between the two mounting tables, and the workpiece is positioned and supported; and after cutting is completed, clamping and fixing of the clamping plate are relieved, the sliding piece is pulled, the two rotating gears are driven to synchronously and reversely rotate, and therefore the two sets of driving rollers are driven to synchronously and reversely rotate, and the cut workpieces are synchronously and reversely conveyed out of the corresponding mounting tables.

The invention relates to a hydrogen fuel cell stack structure, which comprises a stack upper end plate, a stack lower end plate, a stack core and a plurality of pull rods, the stack upper end plate and the stack lower end plate are respectively arranged on the upper surface and the lower surface of the stack core, the top end of each pull rod is connected with the stack upper end plate, the bottom end of each pull rod is connected with the stack lower end plate, the top end and the bottom end of each pull rod are provided with barbs, clamping grooves corresponding to each other in position are formed in the stack upper end plate and the stack lower end plate; and the barbs of the pull rods are clamped into the clamping grooves to clamp the stack upper end plate and the stack lower end plate. Compared with the prior art, the end plate is directly fixed through the pull rod, bolt fixing in a traditional structure is not needed, the installation efficiency is high, and operation is convenient.

The invention relates to a stirring device for food processing. The stirring device comprises a food stirring tank and supporting columns, the four supporting columns are arranged on a bottom plate ofthe food stirring tank and distributed in a matrix mode, a discharging guide plate is obliquely arranged at a discharging port of the food stirring tank, a finished product collecting box is arrangedunder the oblique lower end of the discharging guide plate, and a movable locking mechanism is arranged at the lower end of the finished product collecting box. The supporting structure is arranged below an existing finished product collecting box, and through the supporting structure, the effect of convenient movement can be achieved, when the finished product collecting box is carried, the defects of traditional manual carrying can be overcome, sliding pushing type carrying is adopted, and therefore the effect of saving time and labor is achieved. The locking structure is arranged on the supporting structure, the position of the finished product collecting box can be locked through the locking structure, so that the finished product collecting box can be prevented from turning over in the collecting process, and the finished product collecting box can be positioned through the locking structure.

The invention relates to a construction method of an inspection well. The construction method comprises the following steps: 1), putting up formworks for a well tube of the inspection well and pouringconcrete; 2, carrying out backfilling at the periphery of the well tube; 3, putting up formworks for a well ring; 4, pouring a rough ground surface; 5, disassembling the formworks; 6, mounting a wellbase and a well cover; and 7, pouring a net ground surface. The construction method has the beneficial effects that the well ring and the rough ground surface form a whole by the construction method,so that a deformation problem caused by external force is basically solved, the use state of the inspection well is improved, the compression and shearing resisting properties of a well opening partare improved, and the whole quality level of the inspection well is greatly improved; an umbrella-shaped support structure is convenient to fold and unfold and is stable, and compared with the groundtype support structure, the structure has the advantages that the ground does not need to be leveled, the weight of the structure is reduced, and construction is more convenient and labor-saving; anda locating framework can be used for multiple purposes, and the locating support not only performs locating and support functions, but also performs suspending and lifting functions in a side wall vibrating process.

The invention provides infant trunks, comprising a surface layer, an absorbing layer and a waterproof layer sequentially from top to bottom; the middle of the surface layer is provided with a hollowed portion; the absorbing layer comprises a large grid layer and a wood pulp layer sequentially from top to bottom; a recess is arranged in the center of the upper surface of the wood pulp layer; the waterproof layer is made with water-repellent material. Excrement of an infant passes through the hollowed portion of the surface layer and the large grid layer, and drops into the recess of the wood pulp layer for storage such that the infant trucks may hold the excrement of the infant.

The invention provides a manufacturing process of a high-strength aluminum alloy automobile hub. The manufacturing process comprises a clamping and rotating mechanism, an inner grinding mechanism, supporting mechanisms and a bottom plate, the inner grinding mechanism is arranged over the bottom plate and installed on the clamping and rotating mechanism, the clamping and rotating mechanism is installed on the bottom plate, and the supporting mechanisms are arranged on the outer side of the clamping and rotating mechanism. The supporting mechanisms are symmetrically mounted on the clamping and rotating mechanism. The following problems are solved, according to existing automobile hub polishing equipment, a hub is usually arranged externally for polishing, the inner side and the outer side cannot be synchronously polished, the hub is usually fixedly arranged during polishing, the polishing efficiency is poor, the polishing consistency of the inner side and the outer side of the hub cannot be subjected to uniform fine treatment, the use requirement is difficult to meet, and automobile hubs of different sizes cannot be polished, as a result, the that refined polishing treatment has limitation and the like.

The invention relates to the technical field of sand mold casting, in particular to an automatic sand mold casting device. The device is characterized in that four locking universal wheels which are symmetrically arranged are fixedly connected to the four corners of the bottom of a casting table correspondingly, a sand storage tank is located above the casting table, and the bottom of the sand storage tank communicates with an L-shaped material guide pipe; and a material conveying mechanism is arranged in the vertical end of the L-shaped material guide pipe, four supporting columns which are vertically and symmetrically arranged are fixedly connected to the upper side of the casting table, and the ends, away from the casting table, of the four supporting columns are fixedly connected with the bottom of a sand groove box. According to the device, a conveying mechanism is arranged to automatically convey sand, a reciprocating translation mechanism is arranged to drive a trowelling push plate to horizontally move, trowelling operation can be carried out, manpower is saved, trowelling quality is high, sand mold forming quality is improved, a tamping mechanism is arranged to tamp the sand, and an ejection mechanism is arranged to automatically eject out a sand mold in a sand groove box. Material taking is convenient, manpower is saved, and the machining efficiency is improved.

The invention discloses a rail adjuster for rail traffic based on a permanent magnet motor and a using method thereof. The rail adjuster comprises an adjusting mechanism, two supporting mechanisms arranged at the bottom of the adjusting mechanism, and a moving mechanism arranged at the bottom center of the adjusting mechanism, the supporting mechanisms are arranged at the positions, close to the edges of the left side and the right side, of the bottom of the adjusting mechanism, the two supporting mechanisms are located on the left side and the right side of the moving mechanism correspondingly, two fixing mechanisms are arranged at the bottom of the adjusting mechanism, and a permanent magnet motor drives a moving block to drive fixing clamping hands to move on a threaded rod; the rail adjuster has the function of adjusting one or two rails, the adjusting time of workers is saved, the adjusting rod is rotated to drive a fixing claw to move for fixing, the stability of the rail adjuster is improved, a rotating rod is made to drive a rotating gear to rotate through a handle, the two fixing clamping hands clamp the rails, and the rails are fixed and prevented from shaking.

The invention discloses an integrated kitchen with an oil stain separation device, and a processing method for the same. The integrated kitchen comprises an integrated kitchen body and also comprises the oil stain separation device, wherein the oil stain separation device is fixedly connected to the bottom of a smoke collection cavity; the oil stain separation device is connected to a smoke discharge pipe via a conveying pipe; the smoke discharge pipe is horizontally disposed inside the integrated kitchen body; and a fan is disposed on the conveying pipe. The processing method comprises the steps including processing of the integrated kitchen body, processing of an air conveying pipeline, installation of the oil stain separation device, installation of an oil collection box and trial operation of the integrated kitchen. The integrated kitchen and the processing method disclosed by the invention have the beneficial effects that through design of the oil stain separation device, oil molecules in oil smoke can be quickly separated, and environmental pollution can be reduced; accumulation of oil stains in the fan and inside the conveying pipe and the smoke discharge pipe can be reduced, and the service life of the fan is prolonged; difficulty is cleaning is reduced; and noise generated during work of the integrated kitchen is reduced.

The invention discloses a strengthened clutch and an engine. The strengthened clutch comprises a pressing plate, a friction plate assembly, a center sleeve body, an elastic assembly and a lifting plate which are sequentially arranged in the axial direction; the center sleeve body and the friction plate assembly are arranged between the lifting plate and the pressing plate in a sliding mode in theaxial direction, a spring assembly is installed in the center sleeve body and compresses the center sleeve body in the axial direction; the lifting plate is driven to overcome resilience force of theelastic assembly to drive the center sleeve body to achieve combination or separation of the friction plate assembly; and a screw pair is arranged between the center sleeve body and the pressing platein a matched mode, and when the clutch slides and grinds, the screw pair generates axial force on the center sleeve body so that the friction plate assembly can tend to be combined. The strengthenedclutch and the engine are simple in structure, convenient to machine, low in cost, and beneficial to increase of clutch reserve coefficients, increase of transmission torque, increase of engine reliability, prolong the service life of the clutch, and eliminate tremolo in the sliding friction process.

A chassis mounting structure used for an industrial robot, comprising a base assembly (1) and a connecting assembly (2) provided on the base assembly (1); the base assembly (1) comprises a base (101), a supporting cylinder (102) and supporting blocks (103); the supporting cylinder (102) is integrally provided at the top of the base (101), and the supporting blocks (103) are uniformly disposed along the outer circumference of the supporting cylinder (102); mounting grooves (5) are formed between two adjacent supporting blocks (103), the base (101) and the supporting cylinder (102); and the side wall, corresponding to mounting grooves (5), of the supporting cylinder (102) are provided with air inlets (6). The chassis mounting structure facilitates torque transmission of the output end of a motor (3), while playing the role of a positioning support, and effectively improves the dynamic performance of a shaft system, reduces pressure at the output end of the motor (3), facilitates the stable operation of an actuating mechanism, prolongs the service life of the shaft system, may accelerate the circulation speed of air around the motor (3), and improves the heat dissipation effect and the dustproof effect of the chassis mounting structure.

The invention provides a baby swimming trunk, which comprises a surface layer, an absorption layer and a waterproof layer from top to bottom, the middle part of the surface layer is provided with a hollow part, and the absorption layer comprises a large mesh layer from top to bottom and a wood pulp layer, a groove is provided in the middle of the upper surface of the wood pulp layer, and the waterproof layer is made of water-repellent material. The baby's poo passes through the hollow part of the surface layer and the large grid layer and then falls and is stored in the groove of the wood pulp layer, so that the baby's swimming trunks have the function of holding the baby's poo.

The invention discloses a cloth conveying device used for a textile machine. A box body is included, and is internally provided with an intermittent conveying mechanism; the left side and the right side of the intermittent conveying mechanism are provided with two feeding belts and two discharging belts correspondingly; the intermittent conveying mechanism comprises a base, side plates, intermittent rotating disks and a second motor; two lower supporting plates are arranged between the two side plates; upper supporting plates are arranged above the lower supporting plates; a guiding groove isformed between the upper supporting plates and the lower supporting plates; a rotating shaft is connected to the second motor; the two intermittent rotating disks are fixedly connected to the rotatingshaft, and are located on the side close to the side plates; and a dust clearing mechanism is arranged on the top face of the box body. The cloth conveying device used for the textile machine is simple in structure and high in practicability, conveying can be achieved on the discharging belts through the intermittent conveying mechanism, the labor intensity of manual carrying is greatly lowered,the cloth conveying efficiency is improved, the conveying interval between all cloth conveying rollers can be controlled, and then the binning time of cloth is controlled.

The invention relates to a construction method of an inspection well. The construction method comprises the following steps: 1), putting up formworks for a well tube of the inspection well and pouringconcrete; 2, carrying out backfilling at the periphery of the well tube; 3, putting up formworks for a well ring; 4, pouring a rough ground surface; 5, disassembling the formworks; 6, mounting a wellbase and a well cover; and 7, pouring a net ground surface. The construction method has the beneficial effects that the well ring and the rough ground surface form a whole by the construction method,so that a deformation problem caused by external force is basically solved, the use state of the inspection well is improved, the compression and shearing resisting properties of a well opening partare improved, and the whole quality level of the inspection well is greatly improved; an umbrella-shaped support structure is convenient to fold and unfold and is stable, and compared with the groundtype support structure, the structure has the advantages that the ground does not need to be leveled, the weight of the structure is reduced, and construction is more convenient and labor-saving; anda locating framework can be used for multiple purposes, and the locating support not only performs locating and support functions, but also performs suspending and lifting functions in a side wall vibrating process.

The invention provides a radiating type flexible package battery module group. The radiating type flexible package battery module group comprises flexible package monomer batteries, radiating aluminum plates, battery connecting pieces, acrylonitrile butadiene styrene (ABS) insulating clamp plates and insulating parts, wherein 1 to 4 mounting holes of which corresponding aperture is 4 to 8 millimeters are formed on each radiating aluminum plate and each ABS insulating clamp plate in directions vertical to the plates; pull rods vertical to the axial direction of the monomer batteries fix the radiating aluminum plates and the ABS insulating clamp plates through the mounting holes; heat-conducting plates are arranged along the arrangement direction of the flexible package monomer batteries and in a direction vertical to the axial direction of the monomer batteries, and are closely attached to hems of the radiating aluminum plates; two heat pipes are arranged at one end of each heat-conducting plate and are connected with a radiator through a guide rail groove. According to the flexible package battery module group, the radiating aluminum plates are adopted for cooling, so that the whole structure can be quickly refrigerated, a good radiating effect is achieved, and the aim of prolonging the service life of a battery is fulfilled.

The invention discloses an outdoor convenient mosquito-repelling LED lamp and a manufacturing method thereof. The outdoor convenient mosquito-repelling LED lamp comprises an upper positioning block, a lower positioning block, a lighting mechanism and a lifting mechanism, the upper positioning block is fixedly connected to the upper portion of the lower positioning block through a stand column, the lighting mechanism and the lifting mechanism are both connected to the stand column, and the lifting mechanism is pushed to move up and down along the stand column; the lighting mechanism is unfolded or folded. The method comprises the steps of machining of the upper positioning block, machining of the lower positioning block, installation of the lighting mechanism, installation of the lifting mechanism and assembly of the mosquito-repelling LED lamp. According to the invention, the mosquito-repelling LED lamp is convenient to carry, the function of protecting the illumination mechanism can be achieved, use is flexible and convenient, the illumination mechanism can be conveniently opened through the lifting mechanism, the illumination range of the mosquito-repelling LED lamp is widened, the manufacturing method is simple in step, the processing quality of the mosquito-repelling LED lamp is effectively improved, the outdoor use requirement can be met, and the service life of the mosquito-repelling LED lamp is prolonged.

The invention relates to a motor suspension system, a positioning and supporting structure and a vehicle. The motor suspension system comprises a motor assembly; a suspension support, which is fixed to the motor assembly, and is provided with a first positioning structure and a supporting protrusion, wherein the supporting protrusion and the first positioning structure are arranged on the same side of the suspension support; and a lining, which is used for being fixed to an auxiliary frame and is provided with a second positioning structure, wherein the second positioning structure and the first positioning structure are positioned in a matched mode, and the lining is further provided with a supporting face for supporting the supporting protrusion. According to the motor suspension system, the positioning and supporting structure and the vehicle, the first positioning structure can be matched with the second positioning structure for positioning, the supporting protrusion can be supported on a supporting face, when the motor assembly and the auxiliary frame are assembled, the cooperation of the suspension support and the lining plays a role in positioning and supporting the motor assembly, convenience is provided for assembling, the number of positioning and supporting tools of the motor assembly is reduced, and certain cost and assembly time are saved.

The invention relates to a high-reliability leading-out mode of a high-voltage power supply lead machine case of a spatial magnetic deflection mass spectrograph. The mode comprises the steps that the machine case punching is carried out in a high-voltage lead leading-out position, an insulation lead board with a fixing clamp groove is processed, the punching is carried out for each leading-out wire on the insulation lead board according to requirements, and a high-voltage power supply cabin body is led out by a high-voltage lead through a hole formed in an insulation board. The leading-out mode has the advantages that the side wall in the leading-out position of the high-voltage lead of a high-voltage power supply is made of insulation materials, so the failure mode caused by the short circuit of the high-voltage lead on a metal casing after a high-voltage lead insulation layer is abraded or scraped by the metal casing under the cruel mechanical environment effect is radically avoided, and the reliability of the high-voltage power supply in the space application is powerfully guaranteed.

The invention discloses a power supply structure of an electric scooter. The power supply structure of the electric scooter comprises a control assembly and a pedal assembly fixedly connected to the bottom of the right side of the control assembly, solar cell panels are arranged on the two sides of the bottom of the pedal assembly, and the front faces of the solar cell panels are electrically connected with the control assembly through electric wires; vertical blocks are fixedly connected to the two sides of the bottom of the pedal assembly and located on the inner side of the solar cell panel, a frame cover is movably connected to the front faces of the vertical blocks through rotating shafts, the top of the frame cover makes contact with the solar cell panels, and a connecting block is fixedly connected to the bottom of the frame cover. According to the power supply structure of the electric scooter, the effect of convenient power supply can be achieved, and the problems that when a battery pack is charged by an existing electric scooter, the whole electric scooter needs to be moved to the position near an external power source to be charged, time and labor are wasted, and the charging of the battery pack is not convenient enough are solved.

The invention discloses a digital olfactory recognition capability detection device, which comprises a vortex ring shell and a vortex ring nozzle, and is characterized in that the vortex ring shell is provided with at least two cavities for generating vortex rings and a connecting rod driving mechanism for generating linkage of the cavities; the linkage of the cavities is controlled by the connecting rod driving mechanism, so that the volume of jet gas of the vortex ring nozzle is adjusted. The jet flow volume can be finely adjusted, heating caused by long-time energization is avoided, vibration is small, noise is low, and meanwhile the vortex ring can be periodically excited for a long time at high frequency.