20results about How to "Guaranteed rotation effect" patented technology

The invention relates to the field of underwater vector thrusters, and discloses an underwater vector thruster capable of preventing a propeller from being stuck and worn, which comprises a power cover body and a water inlet cover body fixed on the power cover body, the underwater vector propeller further comprises a power motor fixed in the power cover body and used for providing propelling power, a direction changing assembly connected to the output end of the power motor, a power shaft connected to the direction changing assembly, a power propeller fixedly assembled with the power shaft and a protective net installed on the water inlet cover body. A self-cleaning assembly for cleaning underwater foreign matters attached to the surface of the protective net is mounted on the water inlet cover body; according to the underwater vector propeller, underwater foreign matters on the surface of a protective net can be rotationally cleaned through the self-cleaning assembly, and in the rotating process of the self-cleaning assembly, under the cooperation effect of the material pushing assembly and the cutting assembly, the underwater foreign matters can be further cut and cleaned, and the application effect of normal rotating propelling of the power propeller is kept.

The fixing assembly with the pressing and fixing functions comprises a hollow cylinder, guide mechanisms arranged at the two ends of the hollow cylinder in a matched mode, a guide shaft in sliding fit with the middle of each guide mechanism, a pressing plate connected to one end of each guide shaft, a first telescopic device arranged at the end, away from the pressing plate, of each guide shaft in a matched mode, and an angle adjusting mechanism arranged on each guide shaft in a matched mode. Therefore, the angle turning device has the advantages that the pressing plate and the first telescopic device move synchronously, so that a plate piece is pressed or loosened; and the second telescopic device can achieve rotation of the guide shaft, so that corner turning of the pressing plate is achieved, and the purpose of corner turning is to achieve forming of an avoiding position between the pressing plate and the plate piece so as to facilitate disassembly and assembly of the plate piece.

The utility model relates to the technical field of teaching demonstration equipment, in particular to a three-axis rotating halo demonstration instrument, which comprises a supporting plate, a second mounting plate is arranged above the supporting plate, a first mounting plate is rotatably mounted on the inner wall of the second mounting plate, a mounting frame is rotatably mounted at the top end of the first mounting plate, and a rotating shaft is arranged on the mounting frame. A hexagonal prism is arranged at the top end of the mounting frame, and a rotating assembly is arranged on the supporting plate. The direction of the hexagonal prism can be freely adjusted at the top end of the supporting plate, the halo phenomenon can be conveniently demonstrated, in the demonstration process, the power source can provide energy for the first motor, the second motor and the third motor, meanwhile, the power source can balance the balance weights at the two ends of the first mounting plate and the second mounting plate, and the demonstration effect is good. The rotating effect of the first mounting plate and the second mounting plate can be guaranteed, meanwhile, the supporting plate can be firmly adsorbed to the top end of the experiment table, the stability of the supporting plate can be improved, and the demonstration effect of the demonstration instrument is further improved.

The utility model discloses a kind of electric wire pipe-through auxiliary devices, it is related to electric wire pipe-through technical field, including electric threading machine body, the top of electric threading machine body is equipped with pulley block, and pulley block's inside is inserted with pipe-through electric wire, the end of pipe-through electric wire is fixedly connected with limit connecting ring The utility model is provided with support cover and cover plate, in the process of using device, by the cooperation of the cover plate of support cover, dust, sundries etc. can be effectively blocked into pulley block area, to ensure the rotation performance of pulley block, so as to ensure the working efficiency of electric threading machine body, while effectively guarantee the safety of electric threading machine body in the process of use, be provided with connecting strip and limit rod, in the process of using, by the mutual cooperation of connecting strip and limit rod, cover plate can be taken off from the upside of support cover, so that staff can conveniently maintain and maintain pulley block, so as to effectively improve the convenience in the process of using the device.

The utility model relates to the technical field of aluminum material processing, in particular to an edge grinding and polishing device for bar-shaped aluminum material processing, which comprises a base, the top of the base is rotatably connected with a placing turntable, the top of the placing turntable is fixedly connected with a plurality of placing clamping seats, and clamping assemblies matched with the placing clamping seats are arranged in the placing clamping seats. The top of the base is fixedly connected with a fixed rod through an electric push rod; according to the device, the clamping spring is compressed at a time through cooperation of the placing clamping base and the clamping block, preliminary fixing of the rod-shaped aluminum material before edge grinding and polishing is achieved, the convenience of the rod-shaped aluminum material in the placing process is improved, then the rod-shaped aluminum material which is preliminarily fixed can be driven to rotate to the machining position through one-time lifting of the fixing rod, and meanwhile the machining efficiency is improved. And the clamping springs are automatically compressed for the second time in cooperation with contact of the trapezoidal guide blocks and the guide wheels, secondary fixing of the rod-shaped aluminum material is achieved, and the stabilizing effect in the edge grinding and polishing process is improved.

The invention relates to the technical field of railway bridge engineering, in particular to an assembly type high-performance component applied to railway bridge engineering and a production process thereof.The assembly type high-performance component comprises a drainage protection wall and a common protection wall, a splicing assembly is arranged between the drainage protection wall and the common protection wall, and the drainage protection wall comprises a drainage wall body; a drainage groove set is formed in the drainage wall body, the drainage groove set comprises an air inducing through groove formed in the drainage wall body, a built-in through groove is formed in the position, close to the air inducing through groove, in the drainage wall body, and a water draining groove is formed in the surface of the side, close to a rail, of the drainage wall body. A drainage auxiliary mechanism is arranged at the position, close to the lower water tank, in the drainage wall. The drainage auxiliary mechanism is arranged, accumulated water on the bridge floor can be continuously drained, the possibility that the accumulated water on the bridge floor is difficult to drain in time due to the fact that upper and lower water ports of the railway bridge are blocked by sundries is reduced, and the drainage effect of a drainage system on the railway bridge is improved.

The utility model relates to the technical field of centrifugal machines, and discloses an algae cell fermentation liquor centrifugal machine which comprises a driving box, a damping bottom pad is fixedly installed at the bottom of the driving box, a driving motor is fixedly installed in the driving box, and an output rod is fixedly installed at the output end of the driving motor. A centrifugal disc is fixedly installed at the top of the output rod, a plurality of test tube grooves used for containing test tubes are formed in the centrifugal disc at equal intervals, the silencing layer is fixedly installed in the driving box and used for absorbing noise generated during operation of the driving motor, and a limiting structure is arranged on the silencing layer and used for limiting the noise generated during operation of the driving motor. The limiting structures are arranged on the two sides of the inner wall face of the test tube groove, the limiting structures are used for clamping test tubes needing centrifugal machining, through mutual cooperation of the structures, the size of the centrifugal machine is reduced, meanwhile, the using stability of the centrifugal machine can be enhanced, the influence of noise on the outside world is reduced, and the centrifugal machine is more practical.

The utility model provides an angle adjustable connecting structure, the connecting seat includes two opposite setting webs, the assembly space of accommodating connecting head is formed between two opposite setting webs, is provided with the open type coordination hole on the connecting head, and the connecting head stretches into the assembly space of connecting seat, and the fastening assembly includes special-shaped pivot and fastening screw, special-shaped pivot is adapted with special-shaped assembly hole, and special-shaped pivot and fastening screw are two thread cooperation clamping connecting seat and are fixed with connecting seat, open type coordination hole and special-shaped pivot are opposite fixed under the locking state. Through special-shaped assembly hole and special-shaped pivot cooperation locking, make special-shaped pivot not rotate relative to special-shaped assembly hole, improved the stability of angle after adjusting, utilize the open size of open type coordination hole of adjusting assembly and adjust, on the one hand, facilitate assembly, on the other hand, improved the stability of open type coordination hole and special-shaped pivot opposite fixed, and further improved the stability of angle after adjusting.

The utility model discloses an automobile sheet metal part testing fixture, and relates to the technical field of automobile sheet metal detection. The device comprises a machining table, two cavities are formed in the machining table, electric telescopic rods are fixedly connected to the lower sides of the inner walls of the two cavities, movable shells are fixedly connected to the output ends of the two electric telescopic rods, and band-type brake motors are fixedly connected to the lower sides of the inner walls of the two movable shells. The output ends of the two band-type brake motors are both fixedly connected with gears, the top faces of the two gears are both connected with gear rings in an engaged mode, and the inner walls of the two gear rings are both provided with rotating structures with variable protection ranges. According to the utility model, the problem that a product cannot be fixed by equipment is avoided, the detection difficulty of the equipment is reduced, the turnover of the product by an operator is reduced, the workload of the operator is reduced, the convenience of equipment detection is improved, the collision of the product is prevented, and the cost in the equipment detection process is reduced.

The invention discloses a vertical wind power generation device, belongs to the technical field of wind power generation, and solves the problem of low power generation efficiency of the existing wind power generation device. The wind power generation device comprises a rotating shaft, a bracket is mounted on the rotating shaft, and a fixed wing and a variable wing are connected to the bracket; the device can generate electricity through wind power by changing the shapes of the variable wings and the fixed wings, the device further comprises a driving mechanism, the variable wings can be driven to be unfolded or folded through the driving mechanism, and therefore the variable wings can be in different states so that the variable wings can receive wind energy to the maximum extent. The driving mechanism comprises an eccentric slide way, a gear ring, a driving gear and a servo motor, when the wind direction changes, the servo motor works to enable the eccentric slide way to rotate so as to change the position, so that the unfolding degree of the variable wing in the initial state is changed, and wind power is utilized to generate power to the maximum extent; the power generation effect and efficiency of the power generation device are guaranteed.

The utility model relates to the technical field of luggage accessories, in particular to a luggage cup holder assembly convenient for height adjustment, which comprises a fixed plate body fixed on a luggage and a movable plate body rotationally connected to the lower end of the fixed plate body and used for bearing a cup body, and a cup holder body is hinged to the upper end of the fixed plate body. A first containing groove for containing the cup holder body is formed in the fixed plate body, the cup holder body comprises a rotating seat rotationally connected to the fixed plate body, a left cup holder and a right cup holder are arranged in the rotating seat, and mounting cavities are formed in the side walls, located on the two sides of the left cup holder and the right cup holder, of the first containing groove. An adjusting structure capable of promoting the left cup holder and the right cup holder to ascend and descend along the mounting cavity is arranged in the mounting cavity. The luggage cup holder assembly with the height convenient to adjust has the advantages that the height can be adjusted, so that the adaptability and the stability are improved.

The utility model belongs to the technical field of automobile inner tubes, and particularly relates to an automobile inner tube capable of quickly deflating, which comprises an inner tube body, and during deflation, the resilience force of a plurality of springs can push a plurality of pressing plates to extrude the inner tube body along with the reduction of the air pressure in the inner tube body, so that the discharge speed of the air in the inner tube body is accelerated, and the safety of the inner tube body is improved. Meanwhile, a plurality of first mounting shells can move along with the movement of the inner tube body, then first sliding blocks can slide in the first mounting shells, and then a plurality of auxiliary deflation assemblies can release gas in the inner tube body, so that the deflation speed of the inner tube body can be increased; and due to the sliding fit of a plurality of first sliding blocks and a first mounting shell, the inner tube body rotates along with the mounting ring when the mounting ring rotates, so that the effects that the inner tube body is quickly deflated, and the inner tube body and the mounting ring are conveniently ensured to rotate at the same time during use are achieved.

The utility model provides a kind of take light ceramic handicraft.The take light ceramic handicraft includes: base;Ceramic disc, the ceramic disc rotation is installed on the base, the ceramic disc is equipped with lamp tube cavity, and the lamp tube cavity is equipped with luminous fluorescent tube;Mounting groove, the mounting groove is equipped on the base;Connecting mechanism, the connecting mechanism is equipped on the base and ceramic disc, for the connection between base and ceramic disc;Rotating mechanism, the rotating mechanism is equipped on the base, for driving ceramic disc rotation carries out dynamic demonstration.The utility model provides take light ceramic handicraft and combines, and adds dynamic display effect for ceramic handicraft, produces unique light and shadow effect.

The utility model relates to the technical field of electrophoresis organic wastewater treatment, and discloses an electrophoresis organic wastewater efficient Fenton treatment recycling device which comprises a machine box, a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are fixedly connected to the two sides of the machine box respectively, and a partition plate is fixedly connected to the interior of the machine box. The inner wall of the bottom end of the machine box is rotationally connected with a first rotating shaft, and the inner wall of the top end of the machine box is rotationally connected with a second rotating shaft. Water flow pushes a first impeller to rotate to drive a first rotating shaft and a first gear to rotate to drive a second gear and a rotating rod to rotate, a belt pulley on the rod wall of the rotating rod drives an upper belt pulley to rotate through a belt, a second rotating shaft is made to rotate, and a second impeller is made to rotate; and the chemicals in the feeding cylinder can flow into the second impeller and then are fed into the machine box, and the addition of the chemicals can be accurately controlled according to the inflow amount of the wastewater in the machine box.

The utility model discloses a rotary telescopic antenna type router, which comprises a cylindrical casing main body, a turntable bracket arranged at the lower end of the casing main body, a plurality of moving guide grooves arranged on the turntable bracket and along the radial direction, and an adjusting turntable arranged at the bottom of the casing main body and rotationally connected with the middle part of the turntable bracket, the sliding block units are arranged in the moving guide grooves respectively and connected with the adjusting rotary disc in a sliding limiting and clamping mode, the antenna mast assembly is adjustably connected with the sliding block units, and when the adjusting rotary disc rotates, the sliding block units are driven to move in the moving guide grooves, so that the antenna mast assembly is close to or away from the side wall of the machine shell body in the radial direction. According to the utility model, through the integrated design of the structure of the adjusting turntable, the external antenna mast assembly is installed in cooperation with the turntable support and the slide block unit, so that the telescopic adjustment of the antenna mast assembly is realized, the internal retraction storage and the external extension use of the antenna mast are facilitated, and the accidental damage of the antenna in the assembling and transporting process of the router can be effectively avoided.

The invention discloses a ground station antenna regulation and control device, a communication system and a method. The device comprises a digital image transmission antenna and a regulation and control holder, wherein the digital image transmission antenna comprises a feed source antenna and a reflective array; the feed source antenna and the reflective array are both connected with the regulation and control holder; the feed source antenna is aligned with the array plane center of the reflective array; performing phase compensation on the electromagnetic waves emitted to the reflective array surface by the feed source antenna through the reflective array so as to convert the spherical electromagnetic waves emitted by the feed source antenna into planar electromagnetic waves; and in response to a received angle adjustment instruction, adjusting a yaw angle and a pitch angle of the digital image transmission antenna according to the to-be-compensated rotation angle carried by the angle adjustment instruction. According to the invention, the antenna gain is effectively increased, and the path loss is compensated.

The utility model discloses a finish rolling nut fastener which comprises a threaded pipe and further comprises a fixing pipe arranged on the side wall of the threaded pipe, the fixing pipe is provided with a rotating assembly used for rotating the threaded pipe, and the rotating assembly comprises a fixing cavity formed in the fixing pipe. A plurality of through holes arranged in an annular array are formed in the inner wall of the side, away from the threaded pipe, of the fixing cavity, rotating plates are slidably connected to the through holes, and the fixing cavity is provided with a limiting assembly used for limiting the rotating plates. According to the wrench, through the arrangement of the rotating assembly, the nut is fastened and loosened, meanwhile, the worn rotating part is replaced through the arrangement of the limiting assembly under the matching action of the driving assembly, the extruding assembly and the pushing assembly, and therefore the nut fastening part can be conveniently replaced while the rotating effect of the wrench on the nut fastening part is kept; and the scrap probability of the nut is reduced, so that the use long-term effect of a nut fastener is improved.

The utility model provides an assembly type axis and eccentricity reciprocating tension-compression test device suitable for structural members, and belongs to the technical field of building structures. The problem that an existing test device can only achieve monotonous compression or monotonous tension working conditions and cannot achieve reciprocating tension-compression test loading is solved. The device mainly comprises a loading equipment connecting part, a test component connecting part and a test component, so that the problems that the end part of a structural component is easy to damage in advance during reciprocating pull-press loading, pull-press load transmission is insufficient and the like are effectively solved, and effective transmission and conversion of the pull-press load in a metal pipe-concrete combined component are ensured; the position of the pulling-pressing rotating shaft is adjusted through the eccentricity adjusting shaft. According to the utility model, the tension-compression reciprocating load with any eccentricity can be applied to the structural member, the assembly type mechanical connection is adopted, the assembly operation of the test device is convenient, the rapid installation and rapid replacement of the test member and the loading device can be realized, and the extra workload in the test process is reduced.