7results about How to "Guaranteed meshing accuracy" patented technology

The utility model relates to the technical field of water turbines, and discloses a water flow regulator of a water turbine, which comprises a water inlet pipe, a water outlet pipe and a regulating mechanism arranged between the water inlet pipe and the water outlet pipe. The adjusting mechanism comprises a shell, an adjusting plate, a driving device and a controller; the two ends of the shell communicate with the water inlet pipe and the water outlet pipe correspondingly, and an adjusting cavity matched with the adjusting plate is formed in the shell. The adjusting plates are annularly arranged at equal intervals and rotatably arranged in the adjusting cavity, and the driving device is connected with the adjusting plates and used for driving the adjusting plates to rotate; the controller is electrically connected with the driving device and used for controlling operation of the driving device. A pressure sensor is arranged on the shell, second-level dynamic adjustment of water flow is achieved through sensor closed-loop control and a single-motor synchronous driving structure, and the response efficiency and stability of an adjusting system are improved.

The utility model relates to the field of torsion limiter, especially one -way torsion limiter convenient to overhaul. Including driving shaft, driving shaft cover is equipped with copper ring, tablet, disc spring, fixed sheet, copper ring cover is equipped with first friction piece, sprocket and second friction piece, and sprocket both ends are respectively with first friction piece and second friction piece mutually cooperate, and tablet and second friction piece mutually cooperate, and disc spring and tablet are engaged, and fixed sheet and disc spring mutually cooperate, and driving shaft is connected with end cover, and end cover is connected with bolt, and bolt and fixed sheet resist, and driving shaft is connected with ratchet wheel, and sprocket rotatably connects with stand, and stand is connected with pawl, and sprocket detachably connects with vertical plate, and vertical plate is connected with spring no.

The utility model relates to the technical field of PEEK gear installation, and discloses an installation jig for PEEK gear precision gear hobbing, which comprises a working table, a processor is fixedly connected to the top end in the working table, a clamping mechanism is arranged at the bottom end in the working table, and a heat dissipation mechanism is arranged in the working table. An electric push rod is rotatably connected to the bottom end of the interior of the workbench, a connecting shaft is fixedly connected to the output end of the electric push rod, a rotating disc is rotatably connected to the top of the connecting shaft, three rotating shafts are rotatably connected to the bottom end of the interior of the workbench, and sliding rods are rotatably connected to the exteriors of the rotating shafts; a clamping wheel is rotationally connected to the side, away from the rotating shaft, of the sliding rod. According to the gear clamping device, when a gear is clamped, the electric push rod is started to enable the rotating disc to rotate through the connecting shaft, the three sliding rods rotate relatively through the rotating shaft, and the three clamping wheels gather relatively to clamp and fix the gear, so that the meshing precision of the gear is ensured, and the quality of the gear is improved.

The utility model provides a gear assembly adjustment mechanism, include: base and install one servo drive unit and a plurality of gear assembly unit on the base, a plurality of gear assembly unit separate setting, each gear assembly unit includes detachable connection's rotation component and suction head subassembly, and suction head subassembly is used for utilizing negative pressure to suck gear, servo drive unit includes the servo motor, speed reducer and motion transmission mechanism who connects in proper order, motion transmission mechanism still is connected with a plurality of gear assembly unit's rotation component, servo drive unit is used for driving a plurality of gear assembly unit rotation to make the gear that is sucked by suction head subassembly rotates along with. Like this, can realize the automatic assembly of many gears, and greatly simplifies the assembly structure, can also reduce the difficulty of grabbing gear, and the assembly of compatible different specifications gear is also promoted, and the compatibility is improved.

The application discloses a high-precision straight stroke electric actuator with double-position positioning and relates to the technical field of electric actuators. A Hall sensor assembly is arranged corresponding to the rotor magnet steel of a driving motor; an output gear is fixedly arranged on a center rod and rotates synchronously; a first encoding gear is engaged with the output gear; a second encoding gear is engaged with the first encoding gear and has a tooth number difference with the first encoding gear; two magnetic angle sensors respectively sense the rotation angles of corresponding magnets, and the absolute rotation position of the center rod is calculated in combination with the tooth number difference. The application constructs a double-position positioning system, guarantees the dynamic response speed of the motor, eliminates the position error caused by the gap and wear of the speed reduction mechanism, improves the control precision and stability of the actuator, realizes the position information keeping without power supply or light source in the power-off state, and directly reads the current absolute position without recalibration after secondary power-on.

The utility model relates to a kind of pneumatic rack rotation-stopping mechanism, it is installed below rotating gear, including mounting seat, connecting rod base, rotation-stopping swing arm, cylinder and connecting rod;Mounting seat is fixed with interval with connecting rod base, and the upper portion of mounting seat is rotatably connected with the one end of rotation-stopping swing arm by swing arm pivot I, and V-shaped connecting rod mechanism is hinged between the other end of rotation-stopping swing arm and connecting rod base, rack, same with the modulus of rotating gear and can be engaged with rotating gear is installed on rotation-stopping swing arm, the lower portion of mounting seat is rotatably connected with the rear seat of cylinder by cylinder rear axle, and the end of piston rod of cylinder is hinged with the middle part of V-shaped connecting rod mechanism by fish eye joint.The utility model can utilize cylinder to drive rotation-stopping swing arm swing to make rack and rotating gear engage to realize the rotation-stopping of rotating gear, accurate positioning, easy operation, long service life.

The application discloses a special tool for controlling deformation of a drum gear inner tooth sleeve of a flat head sleeve and a heat treatment method, and comprises the following steps: A1, measuring the outer circle radius of a flat head sleeve to be treated and the inner hole radius of the flat head sleeve, and calculating the interference amount, wall thickness and height of a corresponding tool hoop according to the outer diameter of the flat head sleeve; A2, polishing the protruding part of the flat head sleeve and smearing solid lubricant on the surface; A3, preheating the hoop to 100-250 DEG C and nesting the hoop at the drum gear end of the flat head sleeve; A4, according to the repair process requirements of the flat head sleeve, entering a heat treatment furnace to perform stress relief heat treatment; A5, after the stress relief heat treatment is completed, taking out the flat head sleeve from the heating furnace and cooling to room temperature; and A6, after the cooling is completed, performing surfacing, machining, low-temperature tempering heat treatment and the like on the flat head sleeve. Through the accurate calculation of the interference amount, wall thickness and height of the hoop and the steps of preheating, nesting and heat treatment, the method can limit the deformation of the flat head sleeve in the heat treatment process.