2031 results about "Worm drive" patented technology

The rubber tapping device relates to the technical field of rubber tapping equipment, the operation smoothness and stability of the rubber tapping device in the prior art are improved, and the operation cost of the device is reduced. The rubber tapping device comprises a first tool apron, the worm gear is rotationally arranged on the first tool apron; the rubber tapping cutter bar is fixedly connected with a shaft of the worm gear and is used for driving the rubber tapping cutter bar to rotate; the rubber tapping blade is arranged on the rubber tapping cutter bar; the worm is meshed with the worm gear; and the output end of the motor is connected with the worm. A motor, a worm, a worm gear, a rubber tapping cutter bar and a rubber tapping blade are integrated in the device, the motor is used for driving the worm to rotate, the worm further drives the worm gear to rotate, the worm gear is in transmission connection with the worm, and under the cooperation of an electronic induction device, rotating operation power is provided for the rubber tapping blade in the cutter feeding, cutter discharging and resetting processes; and meanwhile, the bark can be cut off in a relatively labor-saving manner, and the smoothness of rubber cutting operation is guaranteed.

The invention relates to the technical field of galvanized coiled plate machining, in particular to a galvanized coiled plate edge cutting device and an edge cutting method thereof.The galvanized coiled plate edge cutting device comprises an operation table, two rotating holes are formed in the upper side of the operation table, edge cutting and polishing assemblies are rotationally installed in the two rotating holes, and spraying assemblies are fixedly installed on the two sides of the operation table; an adjusting knob is manually rotated, the manual adjusting knob drives a worm to rotate, the worm drives a worm gear to rotate, the worm gear drives a first-stage half gear to rotate, the first-stage half gear drives a second-stage half gear to reversely rotate, the first-stage gear drives a driving block to move, and the driving block drives a driving plate to horizontally move under the limiting action of two sliding rails; the polishing support drives the polishing rollers to move, the two polishing rollers abut against each other correspondingly, after the cutter completes edge cutting, the two polishing motors are started, the output ends of the two polishing motors drive the polishing rollers to rotate at a high speed, and the cut edge area is polished to remove burrs.

The invention provides an asymmetric efficiency transmission system design method, which is applied to the technical field of transmission control, and comprises the following steps: S1, constructing a main transmission path model with a first driving side shaft part and a first load side shaft part, S2, constructing a shunt transmission path model with a second driving side shaft part and a second load side shaft part, and S3, constructing a shunt transmission path model with a second driving side shaft part and a second load side shaft part. S3, a parallel node model of the main and shunt transmission paths is constructed, a first load side shaft part and a second load side shaft part are connected through a worm and gear transmission structure, and a second load side shaft with the axial constraint rigidity being # imgabs0 # serves as a worm shaft; according to the design method, the total positive transmission efficiency and the total reverse transmission efficiency of the system and the relational expression between the parameters are obtained, model selection design is conducted on the actual rigidity characteristics and the transmission characteristics of all the models according to the relational expression, the transmission system can have the high positive transmission efficiency and the low reverse transmission efficiency through the design method, and the reverse transmission efficiency is flexible and adjustable.

The utility model provides a multifunctional measuring device, and relates to the technical field of measuring devices. A through groove is formed in the upper end of the main base, a gear is installed in the through groove in the upper end of the main base through a pin shaft, a worm gear is fixed to a center shaft of the gear, and a worm is installed at the upper end of the main base through a bearing. A wood board is measured through the scale plate on the main seat, when the length of the scale plate on the main seat is insufficient, the knob is rotated to enable the worm to rotate, the worm drives the gear to rotate, the inner rod extends out of the front side, the length of the wood board can be measured through the inner rod and the scale plate on the main seat, and the length is the sum of the reading of the inner rod and the scale of the main seat. The worm gear and the worm can prevent the inner rod from moving automatically, and reading is facilitated; the clamping buckle wheel is pulled downwards to be separated from the ratchet wheel, the ink line on the take-up barrel can be pulled out, the lower pressing plate can press the ink line downwards into an ink groove in the ink box, the measured wood board can be marked through the ink line, and cutting is convenient.

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 utility model relates to an automobile door lock mechanism capable of moving bidirectionally, which is characterized in that a driving motor drives a worm to rotate, the worm drives a gear to rotate, the gear drives an electric opening release lever to rotate, and an arc surface is arranged on the electric opening release lever; the gear rotates to drive the first protrusion to rotate, the first protrusion pushes the driven wheel to rotate in the notch of the driven wheel, and therefore the safety rod is driven by the swing arm to rotate, and the safety rod drives the safety pull rod to move. When the safety pull rod moves, the coupling rod is driven to rotate, so that a third convex column on the coupling rod coincides with or is staggered from the arc surface, safety is released when the third convex column coincides with the arc surface, and safety is loaded when the third convex column is staggered; in the unlocking state, the gear continuously rotates in the upper insurance rotating direction, and the upper insurance and unlocking functions are sequentially completed; when the gear completes the safety function or completes the safety function and the unlocking function at the same time, the gear rotates in the direction opposite to the rotation direction of the safety function, and the safety unlocking function is completed. Electric unlocking and electric safety locking and unlocking can be achieved at the same time, and space is saved.

The invention discloses a walk-in high and low temperature test box for automobile testing in the technical field of walk-in high and low temperature tests for automobile testing, which comprises a high and low temperature test box body, a sealing opening and closing door is arranged on one side of the high and low temperature test box body, and a temperature output assembly is arranged on the other side of the inner cavity of the high and low temperature test box body. According to the invention, refrigeration and heating cycle adjustment is facilitated through the temperature output assembly, independent work output of refrigeration and heating equipment is not needed, the configuration cost is low, the operation is simple, the operation is convenient, the cost is low, the operation is convenient, and the test efficiency is high. The space occupation ratio is small, operation is convenient and fast, during refrigerating or heating, the motor execution end drives the other end of the connected worm to be rotationally connected to the side wall of an inner cavity of the square shell for supporting rotation, and rotation of the worm drives a worm gear meshed with one side to be rotationally connected with an inner ring of a bearing part through the bottom for fixed supporting rotation.

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 relates to the technical field of semitrailer production, in particular to a longitudinal beam welding device for semitrailer production and a machining method of the longitudinal beam welding device. And the rotary supporting assembly is composed of symmetrically-arranged bearing rotary discs, annular roller paths rotationally matched with the annular guide rails are arranged on the outer side faces of the bearing rotary discs in a surrounding mode, and spaced bearings are evenly distributed in the annular roller paths in the circumferential direction. The horizontal worm drives the adjusting worm gear to rotate, so that the bearing turntable rotates along the annular guide rail. Due to the fact that the tool support stretches across the bearing rotary disc, the tool support can move along with rotation of the bearing rotary disc, multi-angle overturning of the longitudinal beam fixed to the tool support is achieved, welding operation at different positions is facilitated, rapid and controllable overturning of workpieces is achieved, dependence on crown blocks, forklifts and manual operation in the traditional welding process is reduced, and welding efficiency is improved. And the machining period of a single workpiece is obviously shortened.

The invention provides a changeable adjustable field welding device, which relates to the technical field of welding and comprises a movable welding seat and a movable positioning clamp. According to the movable positioning clamp, through the spiral distribution design of the crank arm lever and the centering roller, progressive clamping force can be synchronously applied from 12 directions, the axis of a pipeline is automatically centered, the centering precision is high, compared with a traditional manual clamp, manual repeated adjustment is not needed, automatic centering and clamping are achieved, the welding precision is improved, and the production efficiency is improved. The coaxiality of pipeline butt joint is remarkably improved, the weld joint alignment tolerance is reduced, the welding quality is guaranteed, rotation of the driving lead screw is achieved through worm and gear transmission, synchronous belt transmission and composite motion of a lead screw nut, and meanwhile rotary centering of the rotary inner ring and axial feeding of the movable positioning clamp are achieved. According to the integrated design, clamping and butt joint processes of traditional step-by-step operation are combined, the operation efficiency is obviously improved, and the device is particularly suitable for rapid assembly of large-diameter pipelines.

The invention discloses a steel transportation device for bridge engineering construction. The steel transportation device comprises a first base, and a second base and a third support are arranged on the two sides of the first base correspondingly. According to the invention, the handle is rotated to drive the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive the first worm and the second worm to rotate, the first worm and the second worm drive the corresponding first worm gear and the second worm gear to rotate, and the first worm gear and the second worm gear drive the corresponding first gear and the second gear to rotate; a first gear and a second gear are meshed with transmission teeth to drive a first telescopic rod and a second telescopic rod to move in the opposite directions, then a second base and a third support can be driven to move in the opposite directions with the first base as the center, and the overall length of the conveying device is adjusted by adjusting the distance between the second base and the third support. And the transportation device can be adjusted according to the length of the steel, so that the steel with different lengths can be transported.

The utility model provides a five-axis workbench. The five-axis workbench solves the problems that an existing five-axis workbench needs to drive a head workpiece to rotate through a worm arranged below the workpiece on a rotating base, the structure is complex, and use is inconvenient. The device comprises a rotating seat and rotary tables which are arranged on the two sides of the rotating seat and drive the rotating seat to rotate, a hollow fixing column is fixedly arranged on the rotating seat, and a rotating disc is movably arranged at the upper end of the fixing column. A motor used for driving the rotating disc to rotate, a speed reducer and a distributor are sequentially arranged in the fixing column from bottom to top, the motor drives the rotating disc to drive the workpiece to rotate, the number of parts needed for driving the workpiece to rotate is greatly reduced, and the structure is simple.

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 utility model discloses an electric control valve with a self-locking structure, including a valve housing, a valve plate rotatably arranged inside the valve housing, and a valve stem fixed to the top of the valve plate, the top of the valve housing is fixedly connected to a box body, the upper end of the valve stem movably penetrates into the box body and is fixedly connected to a worm gear, a first motor is fixedly installed on the outer wall of the box body, the output end of the first motor penetrates into the box body and is fixedly connected to a worm, and the worm and the worm gear are meshed. In the utility model, by starting the first motor, the worm is driven to rotate, the worm drives the worm gear to rotate, and the worm gear drives the valve plate to rotate through the valve stem, so that the valve housing is in a closed or conductive state; and because the worm and the worm gear have a self-locking function, the valve plate is in a current stable state, further avoiding loosening and rotation.

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 invention relates to the technical field of industrial lubricating oil, in particular to a preparation method of polyether type heavy-load worm and gear oil, which comprises the following preparation steps: S1, synthesizing an intermediate; s2, synthesizing an ionic liquid; s3, compounding is carried out; and S4, carrying out post-treatment. The ionic liquid containing the trifluoromethylsulfonyl imide group and 4, 4 '-dioctyl diphenylamine generate a synergistic effect, the flash point of the polyether type heavy-load worm and gear oil can be increased by 10-30 DEG C, meanwhile, the three technical problems of flash point, oxidation resistance and low-temperature fluidity are solved, and the polyether type heavy-load worm and gear oil is particularly suitable for heavy-load worm gear transmission systems such as wind power gear boxes and metallurgical machinery.

The utility model relates to the technical field of vegetation ecological restoration, and discloses a natural vegetation ecological restoration device, including a connecting seat, a box body is arranged at the top of the connecting seat, a feed port is arranged on the left side of the top of the box body, and a discharge structure is arranged at the front end of the box body. The natural vegetation ecological restoration device is provided with a baffle, a turbine and a mounting shaft, and the hydraulic cylinder is started. The hydraulic cylinder drives the baffle to rise inside the discharge port. The height of the rising baffle can control the amount of material discharged, so that the speed of material discharge can be controlled according to the height of the lifting. The handle is turned to drive the worm to rotate, and the worm drives the mounting shaft to rotate through the turbine. The rotation of the mounting shaft can adjust the inclination angle of the guide plate, so that the position of soil discharge can be controlled, which is convenient for accurately adding soil to the vicinity of natural vegetation. The problem that it is inconvenient to adjust the angle of the guide plate and control the discharge speed is solved.

The invention relates to a direction adjusting method of a universal locking device for a table top, which comprises the following steps: S1, placing a workpiece on the surface of a turntable assembly, and adjusting the angle of the workpiece through the rotation of the turntable assembly; s2, an X-axis screw is driven to rotate through a worm and gear transmission system of a driving gearbox, and an X-axis sliding block is driven to move along a linear sliding rod; s3, an X-axis moving mechanism is synchronously controlled to rotate around the central axis through a hand-cranking wheel, and composite direction adjustment of the rotary disc assembly is achieved; s4, a bottom shaft is driven to rotate through a hand-cranking wheel, and a Z-axis rotating screw is driven to rotate through bevel gear meshing transmission; s5, through cooperation of a Z-axis rotating screw rod and a linear guide rail, a bearing column is driven to move in a reciprocating mode in the direction of a Y-axis moving mechanism; and S6, multi-degree-of-freedom adjustment of the X axis, the Y axis and the rotating disc assembly is cooperatively controlled, and three-dimensional space positioning and locking of the workpiece are achieved through linkage operation of the steps S1 to S5. The device has the effect that an operator can conveniently adjust the operation angle and position of a mechanical part.

The utility model discloses a portable multifunctional monitor which comprises a base, telescopic grooves are formed in the two sides of the surface of the base, telescopic rods are arranged in the telescopic grooves, pull rods are fixedly connected to the tops of the telescopic rods, rollers are fixedly connected to the bottom of the base, and a containing groove is formed in the surface of the base. Through the arrangement of the accommodating groove, when the monitor body needs to be accommodated, the rotating handle is rotated to enable the connecting shaft to drive the worm to rotate, the worm is meshed with the worm gear to drive the rotating column to rotate, and the rotating column rotates to enable the screw rod in the rotating column to move downwards; and the screw rod drives the placement plate at the top of the screw rod and the monitor body to descend and slide into the storage groove to complete storage of the monitor body, so that the problem that the monitor body is accidentally touched, dropped and damaged after being used is avoided, great economic loss cannot be caused to a user, the use of the user is facilitated, and the practicability of the monitor is improved.

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 electronic component production, and discloses a drying box for electronic component production, which comprises a bottom plate, a drying box is fixedly connected to the top of the bottom plate, a rotating door is rotatably connected to the front side of the drying box, a rotating drying mechanism is arranged on the inner side of the drying box, and a limiting mechanism is arranged on the right side of the drying box. The rotary drying mechanism comprises a rotating assembly and a drying assembly, the rotating assembly is arranged on the inner side of the drying box, the drying assembly is arranged at the back end of the drying box, the rotating assembly comprises a supporting frame, the supporting frame is fixedly connected to the top of the drying box, and a linkage rod is rotatably connected to the top in the supporting frame; the bottom of the linkage rod is rotationally connected to the top of the bottom plate. The first motor drives the worm to rotate, so that the worm drives the linkage rod to rotate through the worm gear, the linkage rod drives the storage rack to rotate, the electronic elements placed in the storage rack can be dried, and the drying effect of the device on the electronic elements is better.

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.