1524 results about "Worm drive" patented technology

The invention relates to the technical field of oil field workover treatment, in particular to a rapid blowout wrecking device and method for minor repair operation. According to the technical scheme, a lifting mechanism is installed on workover treatment equipment through a fixing mechanism, a rotary speed reducer is installed at the upper end of the lifting mechanism, a blowout wrecking rotating arm is installed on the upper portion of the rotary speed reducer, the outer end of the blowout wrecking rotating arm is fixedly connected with a fixing base, a turbine is installed in the fixing base, and a rotating short section is installed in the center of the turbine. The lower end of the rotary short section is movably connected with a full-bore plug valve; the worm is installed on one side of the turbine, the worm is driven by the hydraulic cycloid motor to rotate, the worm drives the turbine and the rotary short section to rotate, then the full-bore plug valve is driven to be rotationally connected to an oil pipe of a wellhead, then the switch knob is closed, and blowout wrecking is completed. The full-bore plug valve is installed through mechanical rotation, the follow-up loading function is achieved, potential safety hazards caused by manual installation of the full-bore plug valve are avoided, and rapid blowout wrecking work of blowout is achieved.

The invention discloses a maintenance platform and new energy automobile maintenance equipment and method, and belongs to the technical field of new energy automobile maintenance. Aiming at the problems that visual angle blind areas exist in existing detection, manual errors are large, bolts are prone to missing, and a cover plate is difficult to disassemble, the equipment is provided with a clamping structure driven by a two-way lead screw through a maintenance platform body, and two sets of liftable moving plates are matched with L-shaped clamping plates to achieve multidirectional stable clamping of a battery pack; according to the double-high-definition-camera mobile detection mechanism, a rack-gear-worm transmission assembly triggered by the end of a mobile table is used for driving a battery pack to rotate intermittently in a one-way mode, and a secondary driving mechanism is formed by a hydraulic cylinder and a trapezoidal plate in a matched mode. Maintenance equipment is integrated with a magnetic type bolt collecting device, and an adsorption seat moves to drive a vacuum suction cup to automatically lift a cover plate. Through mechanical transmission and hydraulic linkage design, full-process automatic improvement of battery pack detection, bolt management and cover plate disassembly and assembly is structurally realized, and the safety and efficiency of new energy automobile battery maintenance operation are effectively improved.

The invention relates to a clamping device for plugging detection of an automobile joint system, which comprises a multi-direction vibration table, the multi-direction vibration table comprises a workbench, a track strip, an arc-shaped boss, a turntable, a threaded rod and a sliding plate, the sliding plate is provided with a rotary clamping mechanism, and the rotary clamping mechanism comprises a lifting plate, a rotary seat and a worm transmission mechanism. A rotating angle limiting mechanism is arranged on one side of the lifting plate, a connector body is fixed to the rotating base and connected with a butt joint wire harness, and an inserting and pulling force adjusting mechanism is installed on the rear side of the workbench and used for applying adjustable upward pulling force. Multi-direction vibration simulation is achieved through composite motion of the sliding plate and the lifting plate, clamping direction adjustment is achieved through the worm and the rotating seat structure, angle changes in the vibration process are effectively limited through the rotating angle limiting mechanism, the pulling-out force is flexibly controlled through the inserting and pulling force adjusting mechanism, and the clamping direction is adjusted. The simulation performance of the detection environment, the clamping stability and the detection precision can be improved.

The invention discloses a lifting device and method for storage and transfer of an airship pod, and relates to the technical field of storage and transfer of airship pods.The lifting device comprises an upper bracket, two lifting driving assemblies, a middle support, a damping spring, a base, four wheels and a traction rod; through the modular truss structure design, the bearing capacity and the lightweight requirement are both considered; a multi-dimensional vibration reduction system is formed by the vibration reduction springs which are arranged horizontally, longitudinally and transversely and the soft rubber buffer cushion, and the structure and function integrity of the pod in the storage and transfer process can be effectively protected by matching with the flexible moving and locking functions of the universal wheels with brakes; the lifting driving assembly adopts worm and gear transmission to achieve stable lifting and + / -15-degree pitch angle adjustment, an operating hand wheel designed in an ergonomic mode is combined, electric drive is matched, and the requirement for precise adjustment and control of pods is met. And the operation efficiency is greatly improved through the quick disassembly and assembly design of the positioning and fixing assembly and the traction rod.

The invention discloses a suspension type porcelain insulator detection method and equipment for detection of the method, and relates to the technical field of insulator detection, the suspension type porcelain insulator detection equipment comprises a mounting table, one end of a positioning block is provided with a distance adjusting traction piece connected with a movable guide block, and the other end of a tension sensor is provided with a bending detection piece connected with the distance adjusting traction piece. According to the suspension type porcelain insulator bending detection device, the bending detection part is arranged, the telescopic air cylinder is started, the positioning rod swings relative to the positioning block through extension of the inclined connecting rod, so that the suspension type porcelain insulator is bent, and when the telescopic air cylinder contracts, an aqueous solution in a second piston barrel can be extracted through cooperation of a first piston barrel and a first piston rod; the worm drives the worm gear to rotate, so that the mounting base can drive the suspension type porcelain insulator to rotate, the suspension type porcelain insulator is bent in different directions through repeated stretching and retracting of the telescopic air cylinder, and the accuracy of detection data is improved.

The invention relates to a hybrid speed reduction transmission equatorial telescope based on a crossed roller bearing. The equatorial telescope comprises a shell, a right ascension axis hybrid speed reduction transmission assembly, a declination axis speed reduction transmission assembly, the crossed roller bearing, a laser beam parallelism adjusting mechanism and a base. The right ascension shaft mixed speed reduction transmission assembly comprises a right ascension shaft motor, a right ascension first-stage speed reducer and a right ascension second-stage speed reducer, the right ascension first-stage speed reducer is a harmonic speed reducer, and the right ascension second-stage speed reducer is a worm and gear transmission pair; the declination axis speed reduction transmission assembly comprises a declination axis motor and a declination axis speed reducer; an outer ring of the crossed roller bearing is fixed on the rear shell, one end face of an inner ring is fixed with the output end of the right ascension shaft mixed speed reduction transmission assembly, and the other end face of the inner ring is fixed with the right ascension shaft output seat; and the declination shaft speed reduction transmission assembly is fixed on the right ascension shaft output seat. The equatorial telescope has the advantages of being high in degree of freedom, small in size, light in weight and high in bearing capacity, and the equatorial telescope is high in reduction ratio, stable in tracking, high in tracking precision and low in power consumption.

The embodiment of the invention provides a wind power foundation anchor plate leveling device, and relates to the technical field of wind power. A wind power foundation anchor plate leveling device comprises a lifting column capable of moving in a lifting mode, telescopic cylinders are fixed to the peripheral face of the lifting column, one end of each telescopic cylinder is hollow inwards, a telescopic rod capable of moving in a telescopic mode is arranged in each telescopic cylinder, and a driving box is fixed to the end of each telescopic rod. A bearing base is fixed to the bottom face of the driving box, the peripheral face of the lifting column is sleeved with a supporting base, meanwhile, a telescopic cylinder and a telescopic rod are arranged on the peripheral face of the supporting base, the end, located on the lower portion of the peripheral face of the supporting base, of the telescopic rod is connected with the lifting box, and the telescopic rod on one side of the lifting column pushes the driving box, so that the rolling wheels abut against the inner ring wall of the anchor plate; coaxial alignment of the upper anchor plate and the lower anchor plate is realized; and the worm drives the roller to rotate continuously to drive the anchor plates to rotate until the bolt mounting holes of the upper and lower anchor plates are aligned, so that bolt mounting is facilitated.

The utility model discloses an efficient smoke exhaust type smoke exhaust valve, which belongs to the field of smoke exhaust valves, and comprises a valve body, a smoke exhaust mechanism is arranged in the valve body, and the smoke exhaust mechanism comprises a mechanism shell, a blade, a worm gear, a connecting rod, a worm and a driving motor. When the smoke sensor detects that the amount of smoke entering the valve body through the smoke exhaust pipe reaches a preset value, an electric signal is transmitted to the controller, the controller controls and starts the driving motor, the driving motor drives the output end to drive the connecting rod to rotate through the rotating rod, and the connecting rod drives the worm to rotate. The worm drives the worm wheel to rotate under the meshing effect, the worm wheel drives the blades to rotate through the rotating shaft, the multiple blades are turned over and opened synchronously in the valve body, smoke is exhausted through the opened gaps between the blades, and therefore the smoke exhaust valve has the smoke induction and automatic smoke exhaust functions, workers do not need to open or close the smoke exhaust valve, and the working efficiency is improved. And the smoke exhaust efficiency of the smoke exhaust valve is improved.

The invention belongs to the technical field of water conservancy projects, and discloses a water conservancy pipeline connecting device for water conservancy projects, which comprises a base, the top of the base is slidably connected with symmetrically distributed fixing seats, and the tops of the fixing seats are fixedly connected with mounting seats. The fixing base moves to enable a worm to rotate through cooperation of a straight-strip-shaped rack and a transmission gear, the worm drives a worm gear to enable a mounting ring to rotate, the water conservancy pipeline rotates, a draught fan conveys air to a spray head, and the spray head sprays the air out to blow and clean the section of the water conservancy pipeline. The mounting base moves to enable the hollow connecting plate to move, then the spring deforms, the guide pipe enters the hollow connecting plate, at the moment, the water conservancy pipeline continues to move, the position of the spray head is fixed, the spray head cleans the outer surface of the part, about to enter the pipeline connecting pipe, of the water conservancy pipeline, cleaning is convenient, and the connecting sealing performance can be improved.

The invention relates to the technical field of detection machine devices, in particular to a quartz boat and graphite boat detection machine device which comprises a mounting frame, the mounting frame is used for placing a workpiece to be detected, a continuous detection mechanism used for measuring the deformation quantity of the workpiece to be detected is arranged on the mounting frame, and a detection auxiliary mechanism is arranged in the mounting frame. The detection auxiliary mechanism is used for removing impurities adhering to the continuous detection mechanism, the continuous detection mechanism comprises a conveying belt assembly movably installed on the installation frame, and installation vertical plates are symmetrically arranged on the two sides of the installation frame. According to the invention, the continuous detection mechanism is arranged, the driving motor drives the driving turbine and the driving worm to perform transmission, and the bevel gear set drives the threaded rod to rotate, so that the height of the movable top frame is accurately adjusted, and the sensor assembly can flexibly adapt to quartz boats or graphite boats with different heights through the design; it is ensured that the detection range covers the upper, middle and lower parts of the workpiece, and the problem that a traditional fixed detection mechanism cannot be compatible with workpieces of multiple specifications is effectively solved.

The utility model discloses a severe convection weather early warning detection device, which comprises a detection assembly, a base, a vertical rod, a power distribution piece, a detection piece and a solar piece, the vertical rod is arranged on the outer side of the base, and the power distribution piece is arranged on the outer side of the base. The utility model has the beneficial effects that the worm drives the worm wheel to rotate, the worm wheel drives the gear to rotate, the gear is meshed with the toothed plate, the toothed plate is driven to move in the connecting shell, the toothed plate drives the frame to move, the frame is adjusted to a horizontal position, and the wind area is reduced, so that the wind resistance is reduced; according to the utility model, the air flow can flow away from the air guide plate and the frame through the air guide holes and the through holes, the impact force of wind power on the frame is reduced, rain and snow on the solar panel can be quickly melted and dried through the electric heating metal tubes, melted snow water can be prevented from permeating into the solar panel, and internal elements can be protected.

The utility model relates to the technical field of dies, in particular to an improved forging die which comprises a base and a top plate, the base is fixedly connected with the top plate through a supporting column, the upper surface of the base is fixedly connected with a lower die through a bolt, a support is fixedly connected in the lower die, an ejection mechanism is arranged in the support, and the upper surface of the lower die is fixedly connected with the ejection mechanism. A clamping mechanism is arranged in the lower mold, the lower mold is in clearance fit with the outer wall of the mold core, and the top plate is fixedly connected with the outer wall of the hydraulic cylinder. When the forged automobile part adheres to a forming groove in the mold core, a worm is rotated, the worm drives two worm gears to rotate, the worm gears drive threaded cylinders to rotate, the threaded cylinders drive threaded rods to move, the height of the threaded rods in the vertical direction changes during movement, the threaded rods drive vertical rods to slide upwards, and the vertical rods drive supporting plates to move upwards. The supporting plate ejects the automobile part in the die core out, and when the forged automobile part adheres to the interior of the forming groove in the die core, the automobile part can be conveniently taken out.

The invention discloses an assembling structure and method for a pure electric steering gear with double speed reducing mechanisms, and relates to the technical field of pure electric steering gear. According to the structure, a speed reducing shell and a motor controller are arranged on a steering gear shell, and a first-stage speed reducing mechanism composed of a small gear and a large gear is sequentially arranged in the speed reducing shell; one end of the worm is connected with the large gear through a transmission balance shaft, and a spring and a bearing are arranged in the transmission balance shaft to achieve radial elastic supporting and mechanical balance. The assembling method is carried out according to the sequence of the self-adaptive adjusting assembly, the worm, the transmission balance shaft, the speed reduction shell, the steering gear shell and the motor controller, and through a rotation test, the meshing clearance of the gear pair and the worm and gear pair is subjected to self-adaptive compensation by utilizing elastic deformation of a spring and a rubber element. Under the condition of a single motor, a large total transmission ratio and a large steering output torque are obtained, and meanwhile transmission stability, noise vibration performance and long-term use reliability are considered.

The invention relates to the technical field of tunnel construction devices, in particular to a tunnel secondary lining vault water seepage prevention construction device and a construction method.The tunnel secondary lining vault water seepage prevention construction device comprises a plurality of supporting frames, linkage rods, butt joint rods, bearing rods, angle adjusting mechanisms and self-adaptive abutting mechanisms; a linkage rod is rotationally connected to one ends of the tops of every two adjacent supporting frames, a butt joint rod is further arranged between every two adjacent supporting frames, overall radian adjustment is achieved through a sectional type supporting and abutting structure and a connecting rod mechanism, the device can adapt to tunnel vaults with different curvatures, gaps are eliminated, a universal joint is used for driving a worm to drive a worm gear, and the overall radian is adjusted. The worm gear and the worm have self-locking performance, stability after pressing is ensured, the transmission ratio design optimizes the adjusting efficiency, the mechanical transmission technology and the flexible adjusting technology are integrated, and the construction quality of secondary lining water seepage prevention is remarkably improved.

The invention relates to the field of carrier steering control, in particular to a non-return transmission device for a carrier and a control system thereof.The non-return transmission device comprises a large bevel gear, a small bevel gear, a large straight tooth, a small straight tooth, a worm and a turbine which are sequentially meshed, the large bevel gear is fixed to an input shaft, the small straight tooth and the worm are coaxial, the turbine is fixed to an output shaft, and when the worm drives and the turbine drives, the large straight tooth and the small straight tooth are coaxial. Clockwise and anticlockwise rotation of the input shaft is transmitted to the output shaft; when running external force acts on the turbine through the output shaft to try to reversely drive the worm, force flow is cut off through the self-locking effect of the worm and the turbine, non-return of the output shaft relative to the input shaft is achieved, and hand beating and high-speed shimmy are weakened. The input shaft and the output shaft are coaxially arranged through a coaxial device, and the gears, the worm and the worm gear are installed in the shaft box. The control system is provided with an angular speed sensor, a temperature sensor, a vibration sensor, a working cycle number sensor and the like, signals are input into an electronic control unit, and state monitoring and fault early warning are carried out through the electronic control unit.

The invention belongs to the technical field of river model topographic survey, and provides an automatic river model topographic survey device and system.The automatic river model topographic survey device comprises a track, a moving trolley is arranged on the track and comprises a base, two connecting shafts are symmetrically and rotationally connected to the bottom of the base, and a double-shaft driving motor is arranged on the connecting shaft at one end; wheels are fixedly connected to the two ends of the two connecting shafts, a storage battery is arranged at the bottom of the base, and an adjusting assembly is arranged on the base. The mobile trolley accurately moves along the track through the double-shaft driving motor, the whole range of the model can be covered, the rotating holder achieves 360-degree horizontal rotation through worm and gear transmission, the river model can be scanned in an all-around mode, it is ensured that no measurement dead angle exists, and the lifting component adjusts the height of the three-dimensional laser scanning head through lead screw transmission. The device adapts to terrains of different depths, transmission of all parts is stable, manual intervention is not needed, the model measurement time is short, and efficiency and data reliability are greatly improved.

The utility model discloses a glass dust collecting device for glass production, which relates to the technical field of glass processing and comprises a top plate, a plurality of supporting legs are fixedly connected to the outer wall of the bottom of the top plate, a fixing plate is fixedly connected to the outer walls of the supporting legs, and a mounting seat is fixedly connected to the outer wall of the fixing plate. By arranging the filter frame, the motor drives the worm to rotate, the worm drives the worm gears to rotate, the worm gears all drive the belt pulley to rotate, the belt pulley drives the belt to rotate, the belt drives the second belt pulley to rotate, the second belt pulley drives the transmission rod to rotate, and the transmission rod drives the cam to rotate. The cam intermittently drives the filter frame to perform reciprocating displacement, so that the glass fragments can be continuously turned over in the filtering process due to the intermittent reciprocating displacement of the filter frame, the glass fragments are filtered more sufficiently, the filtering efficiency is improved, and large fragments are separated from dust.

The utility model discloses a rotary driving mechanism for induction heating integral quenching of a bearing ring, which is characterized in that a horizontal support frame is arranged on diagonal lines of four corners of a quenching tank in a cross manner, and a worm and gear transmission mechanism is arranged at the cross center position of the horizontal support frame; the worm and gear transmission mechanism inputs power by a torque motor through a worm gear speed reducer, a gear is arranged on a worm gear shaft, the gear is meshed with a rack, a rotary positioning roller is movably supported and positioned on the annular surface of a workpiece, and the workpiece can be driven to rotate when a driving supporting roller rotates; the structure is compact and reasonable in design, accurate and stable control over overall rotating operation of the induction quenching workpiece can be achieved, the rotating positioning rollers make contact with the annular face of the workpiece all the time in the heating and quenching process, the device adapts to workpiece size and stress changes caused by thermal expansion when the workpiece is heated and cold contraction when quenching cooling is conducted, swinging of the workpiece during high-speed rotating is avoided, and the workpiece quality is improved. Quenching heating and cooling are more uniform, and the product quality of induction heating whole quenching workpieces is improved.

The utility model discloses a device for preschool education to see pictures and recognize objects, and relates to the technical field of child teaching. The teaching aid comprises a base, the top of the base is fixedly connected with a supporting seat, a supporting column is movably arranged on the top of the supporting seat in a penetrating mode, and the upper end of the supporting column is fixedly connected with a picture-seeing and object-identifying disc. According to the utility model, the worm is rotated clockwise to drive the worm gear to rotate together with the rotating shaft, and the rotating shaft rotates at the moment, so that the supporting column can be driven to move upwards together with the picture-viewing object-identifying disc through the matching of the connecting sliding column and the connecting sliding groove under the guiding action of the telescopic column, and the position heights of the picture-viewing object-identifying disc and the rotating disc are adjusted; the height of the device can be rapidly adjusted, operation is convenient and fast, the magnetic picture board and the magnetic character board are fixed in the containing groove in a magnetic connection mode, personnel can conveniently replace the magnetic picture board and the magnetic character board with different types of pictures and texts according to requirements, and practicability is higher.

The utility model discloses a tamper-proof driving device which comprises a first driving shell, a lower box body, a worm penetrating through the lower box body, a hand wheel connected with the outward extending end of the worm, a turbine installed in the lower box body, a valve rod with the top end inserted into the lower box body and penetrating through the turbine, an electric switch group assembly installed in the lower box body and a controller. The hand wheel is rotated, the worm drives the turbine to rotate, the indicator rotates together under the combined action of the turbine, the valve rod and the elastic pin and points to a sign position, the turbine touches the electric switch set assembly and sends a signal, and meanwhile the visual indicator lamp is turned on and sends an alarm signal to the PLC platform. When the valve is closed, the tamper-proof driving device is detached from the valve, the tamper-proof driving device is opened to see the internal structure and rotate the hand wheel to an abnormal state, the alarm is triggered when one of the conditions occurs, the tamper-proof effect is achieved, and the functions of providing an alarm signal for a long time and confirming whether the alarm signal is really contacted or eliminated are achieved.

The utility model relates to the technical field of electric actuators, and discloses an anti-surge electric actuator with an anti-jamming mechanism, which comprises a front control seat, the rear end of the front control seat is connected with a rear control seat, a main shaft is inserted into the top of the rear control seat, a hand wheel is mounted at the top of the main shaft, and the anti-jamming mechanism is mounted on the hand wheel. A separable sleeve shaft is installed in the rear control base, and an auxiliary worm wheel is arranged outside the separable sleeve shaft. According to the utility model, the anti-locking structure is arranged, so that the rotating motor in the rear protective cover drives the auxiliary rotating wheel and the rotating worm to rotate during use, and the rotating worm drives the auxiliary worm gear outside the separable sleeve shaft to be engaged; before and after use, grease can be injected into the oil storage box through the conveying pipe via the rubber plug at the rear end of the rear control seat, then the grease in the oil storage box is immersed into the oil absorption cotton layer and then drips between the rotating worm and the auxiliary worm gear, the lubricity between the auxiliary worm gear and the rotating worm is improved, and therefore the anti-jamming function is achieved.

This invention provides a multi-station flexible rapid-change clamping device and method for aero-engine blades, comprising: a worm gear transmission device, a detachable positioning base, and a flexible clamping component; in the worm gear transmission device, a rotating handle drives a transmission worm to rotate, which simultaneously drives multiple transmission worm wheels to rotate, and simultaneously drives multiple flexible upper pressure plates to apply a flexible clamping force to the blade; the detachable positioning base is provided with positioning pins for placing and positioning the blade to be clamped; the detachable positioning base is connected to the base by bolts, enabling quick disassembly and replacement to adapt to the clamping requirements of different types of blades. The flexible clamping component provides support for the flexible upper pressure plates while allowing a certain degree of flexible deformation to accommodate differences in blades.

The utility model discloses an electric screw turning device used in narrow space, which comprises a main machine, a driving motor and a sleeve component, the sleeve component comprises a connecting seat, a transmission worm, a transmission worm gear, a driving gear, at least one transition gear and a sleeve gear piece, the inside of the connecting seat is hollowed out to form a worm assembly cavity, one side of the connecting seat is provided with an extension arm, and the extension arm is connected with the transmission worm. Wherein the sleeve gear piece is rotationally installed on the side, close to the end of the extension arm, of the gear assembly cavity, a sleeve opening is formed in the center of the sleeve gear piece and exposed out of the side face of the extension arm, a gear tooth structure is formed in the circumferential portion of the sleeve gear piece, and the sleeve gear piece is connected with the adjacent transition gear through the gear tooth structure in a meshed mode. Compared with the prior art, automatic screw turning in a narrow space is achieved by arranging a gear structure in the extension arm and a customized sleeve gear piece, design is ingenious, and use is convenient.

The invention discloses a lifting device and a door and window, and belongs to the technical field of door and window hardware. Comprises: a rotation driving member; the first worm and gear transmission mechanism comprises a first worm and a first worm gear matched with the first worm, and the output end of the rotary driving part is in transmission connection with the first worm; the second worm and gear transmission mechanism comprises a second worm in transmission connection with the first worm gear and a second worm gear matched with the second worm, and the traction wheel is in transmission connection with the second worm gear; and the traction piece is matched with the traction wheel. Compared with the prior art, by means of the self-locking characteristic of worm and gear transmission, the window sash can be locked after being lifted to the target position, double self-locking is achieved through cooperation of the first worm and gear transmission mechanism and the second worm and gear transmission mechanism, and the use safety is further improved.

The invention relates to an inclined tip flexible needle puncture device capable of adjusting a needle entering angle based on worm and gear transmission, which belongs to the field of medical instruments and comprises a position adjusting mechanism, a feeding mechanism, a hexagonal supporting mechanism, a front posture adjusting mechanism and an inclined tip flexible needle. Before puncture, the multi-angle inclined tip flexible needle can be adjusted to puncture a needle entering point, so that multiple positions can be punctured; in the puncture process, the inclined tip flexible needle is supported by adopting the hexagonal supporting mechanism, and the needle shaft of the inclined tip flexible needle can be effectively prevented from buckling deformation in the puncture process; wherein the first motor and the second motor move in a combined mode to adjust the puncture position of the inclined tip flexible needle, the third motor controls needle inserting and needle withdrawing of the puncture device, the fourth motor controls rotation of the inclined tip flexible needle, and the fifth motor and the sixth motor move in a combined mode to achieve adjustment of the needle inserting angle of the inclined tip flexible needle. The posture of the needle tip is easier to adjust to complete puncture of a target spot, and the stability, accuracy and safety of puncture are further improved.

The utility model discloses a position adjusting mechanism for a camera of a photoetching machine, which comprises a strip-shaped seat and four guide strips symmetrically fixed on the inner wall of the strip-shaped seat, the guide strips are symmetrically distributed pairwise, an insertion plate is slidably inserted between the guide strips, a rack is fixedly connected to the bottom of the insertion plate, and the rack is fixedly connected to the bottom of the strip-shaped seat. A power gear is rotatably arranged between the inner walls of the strip-shaped seat through a driving shaft, a supporting frame is fixedly connected to the end of the inserting plate, a positioning strip is rotatably arranged in the supporting frame through a rotating shaft, and a camera is fixedly connected to the end of the positioning strip. According to the utility model, the first motor is started to drive the worm to rotate, the worm drives the worm gear to rotate, the worm gear drives the power gear to rotate through the driving shaft, the power gear drives the insertion plate to linearly move through the rack, and the insertion plate drives the camera arranged at the end part of the insertion plate to linearly move, so that the position of the camera is adjusted, and the adjustment is more convenient and faster than manual adjustment.

The utility model relates to warning device technical field, and disclose a kind of strong light frequency flash sound light type electronic warning device, including base, fixed column, sleeve, fixed box and the like component, by the transmission mechanism of stepper motor, bevel gear, screw rod, sleeve is realized along fixed column sliding up and down, the height of frequency flash lamp and alarm loudspeaker can be flexibly adjusted, utilize second stepper motor, worm gear drive installation rod rotation, accurately adjust the horizontal angle of frequency flash lamp and alarm loudspeaker, compared with traditional warning device, the device overcomes the defect that height and angle are fixed, warning range is limited, in road construction, fire rescue and the like complex scene, can cross over barrier to transfer warning signal, target area is covered simultaneously in all directions, while the application of double stepper motor improves power transmission efficiency and control accuracy, ensure that device responds quickly in emergency, significantly improve the timeliness, accuracy and reliability of warning, effectively reduce the risk of safety accident.

The worm gear and worm transmission axis coincidence detection and adjustment method comprises the following steps that a worm gear and a worm are pre-installed in a machine tool body of a machine tool, and one end of the worm gear is movably connected with an installation base through a connecting shaft; thrust is applied inwards to the mounting base, so that the worm gear is translated to a first target position; the minimum gap delta L between the mounting base and the lathe bed is obtained through measurement; outwards applying a pulling force to the mounting base so as to translate the worm gear to a second target position; the maximum gap delta E between the mounting base and the lathe bed is obtained through measurement; according to the minimum gap delta L and the maximum gap delta E, obtaining a theoretical gap delta S = (delta E-delta L) / 2 from the target end face of the mounting base to the lathe bed; the mounting base is adjusted to a third target position, so that the transmission axes of the worm and the worm gear coincide; the third target position is the position where the distance between the target end face of the mounting base and the lathe bed is delta S. The transmission axis coincidence adjusting device has the advantage that the transmission axis coincidence adjusting operation difficulty is lowered.

The reflow soldering supporting device comprises a supporting frame, a lifting frame and a rotating plate, the bottom end of the lifting frame is connected with the top end of the supporting frame in an inserted mode, and the two supporting plates are arranged at the two ends of the upper surface of the lifting frame and are symmetrically arranged; the adjusting assembly is arranged on one side of the supporting plate; the lifting assembly is arranged between the lifting frame and the supporting frame; and the rotating assembly is arranged between the lifting frame and the rotating plate. According to the reflow soldering supporting device for the smt plate, the first driving motor drives the worm to rotate, the worm drives the worm gear to rotate, then the rotating plate stably rotates in the annular groove, a worm gear and worm transmission structure has the self-locking performance, the rotating angle of the rotating plate can be accurately controlled, the welding defect caused by angle deviation is avoided, and the stability and reliability of the reflow soldering supporting device are improved. According to the SMT plate welding angle adjusting device, accurate angle adjustment is provided for welding of an SMT plate, welding defects such as insufficient welding and welding skips are reduced, and therefore the yield of products is improved, and the production cost is reduced.

The utility model relates to a technology field of planing and grooving machine, especially a kind of multi-station planing and grooving machine.The utility model includes processing table, and one end of the top end of processing table is fixed with L-shaped plate, and the top end of L-shaped plate inside is rotatably connected with screw rod, and the outside of screw rod is threadedly connected with sliding seat, and the top end of sliding seat is slidably connected with L-shaped plate, and the bottom end of sliding seat is fixed with support plate, and the bottom end of support plate is assembled with mounting box, and three drill bits are rotatably connected with the bottom end of mounting box.The utility model provides a kind of multi-station planing and grooving machine, and the screw rod is rotated by starting servo motor one, and sliding seat, support plate, worm and drill bit are adjusted according to the position of plate material, and mounting box and drill bit are processed to plate material by starting electric push rod, then servo motor two is rotated by starting, and worm drives worm gear and drill bit to rotate at high speed, so as to effectively adjust and process drill bit according to the position of plate material.