24results about How to "Reduce tremor" patented technology

The invention belongs to the technical field of fluid braking equipment, and particularly relates to a safety limiting device for a pull rope oil cylinder, which comprises a fixed frame, a sliding base and a hydraulic oil cylinder, the device further comprises a stable transmission mechanism. On one hand, in the stretching and retracting process of the hydraulic oil cylinder, the sliding base is driven to move in the mode that the fixed pulley pushes the transmission steel cable, and in the moving process, due to the fact that the fixed pulley and the transmission steel cable are symmetrically distributed on the upper side and the lower side of the hydraulic oil cylinder, tension of the transmission steel cable on a connecting piece is more balanced; on the other hand, due to the arrangement of the fixed pulley and the sliding base, under the condition that the stroke of the sliding base is fixed, the stroke of the hydraulic oil cylinder is halved, the requirement for the rigidity of the hydraulic oil cylinder is lowered, and the bending probability of the hydraulic oil cylinder is lowered; the stability of the hydraulic oil cylinder for driving the sliding base to move is further enhanced.

The invention relates to the technical field of feed trays, and discloses a novel feed tray detection device, which comprises an adjustable bracket used for mounting and supporting the detection device and avoiding a vibration source; the connecting support and the adjustable support are installed in a hinged mode, the connecting support is used for adjusting the detection angle of the detection device, a mounting plate is installed on one side of the connecting support, and the relative height of the mounting plate and the connecting support is adjustable; the pendulum component is arranged on the side surface of the mounting plate and is rotationally connected with the mounting plate; according to the invention, the problems of unstable material quantity and high alarm rate caused by similar colors and different heights of products in traditional optical fiber detection are comprehensively solved through a plurality of adjusting structures (the adjusting pipe has multiple gears, and the angle and height of the connecting bracket are adjustable) and different state designs (vertical / inclined / universal ball structures) of the pendulum component, and the production efficiency is effectively improved.

The utility model discloses a cutter for a doll hair transplanting machine, and relates to the technical field of toy processing, the cutter comprises a cutter handle and a blade, one end of the cutter handle is provided with an installation head, an installation hole is arranged in the installation head, the blade is fixedly arranged in the installation hole based on a wedge block, and the blade is perpendicular to the cutter handle; the width of the mounting hole, the width of the wedge block and the width of the blade are equal, the length of the wedge block is larger than that of the mounting hole, and the length of the blade is larger than that of the wedge block. The blade is fixed in the mounting hole through the wedge block, and the mounting hole, the wedge block and the blade have larger contact area, so that the mounting stability of the blade can be effectively improved, the vibration phenomenon of the blade can be effectively reduced, the abrasion of the blade is reduced, and the service life of the blade is prolonged.

The application discloses a kind of wire tin-coating quick cooling mechanism, including fixedly arranged on base frame and air-cooled track, the upper end of frame is provided with traction assembly, wire is after being coated with tin in base and is connected with traction assembly again after passing air-cooled track upward, further include: flap, which is hinged with air-cooled track, for controlling the opening and closing of the side of air-cooled track;Isolation component is isolated and arranged in air-cooled track, and a plurality of air holes for communicating outside air with positioning channel are symmetrically arranged on the side wall thereof for wire to pass through.The application can close the open side of air-cooled track when air-cooled track is working, and under the cooperation of first blowing assembly and second blowing assembly, the airflow in air-cooled track blows from middle to up and down sides, so that the wire is balanced, in addition, the airflow opposite to the upper and lower ends can pull the wire tight to the two ends, to avoid wire relaxation.

The invention discloses a distribution network power transmission line maintenance robot, and relates to the technical field of line inspection robots, the maintenance robot comprises a machine body and a cleaning mechanism used for cleaning the surface fallen materials of a power transmission cable part; the cleaning mechanism comprises an arc-shaped frame body part, a guide positioning assembly and a rotary cleaning part, the arc-shaped frame body part comprises a circular lifting frame and a mounting plate, the rotary cleaning part comprises a rotary walking assembly and a cleaning clamping assembly, and the rotary walking assembly can rotate around the center line of the circular lifting frame in a reciprocating mode along the inner wall of the circular lifting frame; the cleaning clamping assembly can be clamped on the outer side of the power transmission cable part in a clamping ring mode. The guiding and positioning assembly can be in contact with the arc top of the power transmission cable part in a rolling mode and generate an induction signal. The device is simple in structure, carries out aerial operation along the power transmission cable in a jacketed mode, effectively cleans ice and impurities on the power transmission cable, can effectively reduce vibration of the power transmission cable, effectively maintains normal work of the power transmission cable, and is high in practicability.

This invention relates to the field of polishing equipment technology, and discloses a multi-faceted polishing fixture for watch cases, including a processing box. A silicone mesh plate is located in the center of the inner side of the processing box, and a placement seat is provided on the silicone mesh plate. Multiple processing chambers for individually processing the watch case are equidistantly arranged on the placement seat. By adding and setting a front-end processing mechanism, which uses alkaline cleaning water immersion combined with ultrasonic vibration and a circulating filtration structure, various oil stains and impurities such as cutting fluid and release agents remaining on the surface and crevices of the watch case can be thoroughly removed, eliminating polishing slippage and surface dulling caused by oil residue. Secondly, relying on constant-temperature liquid immersion, the thin-walled watch case is heated evenly throughout, thoroughly and evenly releasing residual metal stress from previous processing, avoiding subsequent polishing deformation caused by uneven stress release. Simultaneously, it optimizes the polishing process, reduces grinding head vibration, and eliminates wavy lines and light / dark layer defects on the watch case surface.

This utility model relates to the field of wind turbine technology and proposes a wind turbine blade tip demolding and cutting-free hoisting device. It includes a hoisting frame with an electric hoist installed inside, and further includes a hook, a slide, a lifting mechanism, a buffer head, and a moving mechanism. The hook is located at the bottom of the electric hoist. Two slides are provided, each slidably mounted within the hoisting frame via a sliding assembly. The sliding assembly supports the two slides for lifting and lowering within the hoisting frame. The lifting mechanism is mounted on the hoisting frame. Each slide has two buffer heads via two support mechanisms. The moving mechanism is located at the bottom of the hoisting frame. This technical solution addresses the problem in the prior art where, during the process of lifting the blade tip from the mold, the blade tip is prone to vibration and swaying due to the influence of the blade material, which damages the strength of the blade tip and easily leads to a decrease in hoisting stability.

The utility model discloses a high-precision numerical control machining center with strong anti-tremble capability, which relates to the technical field of machining centers, and comprises a base, a working table arranged on the base, a movable supporting table arranged below the working table and used for supporting the working table, and a machine table arranged on the base and used for supporting the movable supporting table, a Y-axis moving mechanism used for driving the workbench to move along the Y axis is arranged on the movable supporting table, an X-axis moving mechanism used for driving the movable supporting table to move along the X axis is arranged on the machine table, the Y-axis moving mechanism is relatively perpendicular to the stand column, the X-axis moving mechanism is relatively parallel to the stand column, and the X-axis moving mechanism is located below the Y-axis moving mechanism. The movable supporting table can be supported by the machine table all the time, it is guaranteed that tremor generated during machining can be transmitted to the machine table and the base, and therefore tremor borne by the workbench is reduced.

The invention provides a supercharger oil return pipe assembly and a preparation method thereof, and relates to the technical field of oil pipes, the supercharger oil return pipe assembly comprises an oil return pipe body, the oil return pipe body comprises a bent corrugated pipe and two connecting pipes, the outer wall of each wave crest of the bent corrugated pipe is fixedly provided with an inserting block, and the outer side of the bent corrugated pipe is provided with a shaping structure; the shaping structure comprises a shaping ratchet bar and a plurality of elastic latches; one end of the shaping ratchet bar is fixedly connected with the outer wall of the bending corrugated pipe, and the other end of the shaping ratchet bar sequentially penetrates through the notches of the inserting blocks; the elastic clamping teeth are fixed in the notches of the inserting blocks and meshed with the shaping ratchet bar, each inserting block is provided with a locking piece, and the elastic clamping teeth and the shaping ratchet bar are relatively fixed through the locking pieces. The stability of the oil return pipe assembly in the working state is guaranteed, the trembling and deformation conditions of the bent corrugated pipe caused by engine operation are reduced, the fatigue cracking life of the oil return pipe assembly is prolonged, the connection stability and sealing performance of a connector are improved, and the problem of oil leakage of the connector is solved.

The utility model discloses a stable cutting device positioning mechanism. The X-axis walking mechanism comprises a workbench, an X-axis walking structure, a Z-axis walking structure and a Y-axis walking structure, the X-axis walking structure is arranged at the bottom of the workbench, and the Z-axis walking structure is arranged on one side of the X-axis walking structure. When a module is cut, the first lead screw can be driven by the stepping motor to rotate for different cutting positions, so that the first nut seat can move on the first lead screw, the module is adjusted in the Z-axis direction, the effect of accurately adjusting the cutting position is achieved, meanwhile, the second lead screw can be rotated by shaking the hand crank, and the cutting position can be accurately adjusted. By means of the structure, the cutting position of the module can be adjusted at any time, the effect of controlling the position accuracy of a notch is improved, and the phenomena that the residual amount of a sprue is too large, and a grinding wheel scratches a casting are reduced.

The utility model provides a permanent magnet brushless motor for a ceiling fan, and belongs to the technical field of brushless motors. The motor comprises a main shaft, a stator set and a rotor set are arranged on the main shaft, the stator set comprises a stator frame fixed on the main shaft, an enameled wire set is arranged on the outer side of the stator frame, a first bearing and a second bearing are respectively fixed on the main shaft, and the stator frame is located between the first bearing and the second bearing. The rotor set comprises a motor shell with an upper opening, a motor upper cover for sealing the upper opening covers the motor shell, a first bearing frame used for being connected with the first bearing in an embedded mode is formed in the middle of the motor upper cover, a main shaft and a through hole are formed in the middle of the first bearing frame, the main shaft extends out of the main shaft through the main shaft, and the motor shell comprises a motor bottom shell. A second bearing frame used for being connected with the second bearing in an embedded mode is formed on the upper end face of the motor bottom shell, and a plurality of fan blade connecting frames are axially fixed to the upper portion of the motor upper cover. The silencing device has an obvious silencing effect and is stable to use.

The invention belongs to the technical field of medical images, and particularly relates to a nuclear magnetic resonance assisted positioning device. The nuclear magnetic resonance auxiliary positioning device comprises an examination bed and at least three electric control positioning tracks arranged on the examination bed, at least one positioner is arranged in each electric control positioning track; a rotating ball is arranged on each positioner; each rotating ball is provided with at least two coil clamping grooves used for being matched with coils. The method has the advantages that motion artifacts can be reduced, and the requirements of multi-angle positioning examination and examination of different body positions are met.

An automated intelligent aluminum plate laminating line, which has a stable structure, can respond quickly, has precise structural displacement, and can accurately reach the feeding position through servo power. Moreover, the stability of the feeding belt can ensure that the aluminum plate reduces vibration during the attachment process, and the conveying stability is ensured by adjusting the tension of the material belt. The overall structural design is reasonable, the preparation cost can be controlled, and the equipment is easy to maintain. At the same time, through the settings of the roller group, adjustment structure, etc., the universal performance of laminating aluminum plates of different thicknesses can be greatly increased, and the problem of being unable to laminar smaller or larger aluminum plates due to the size of the laminating machine can be effectively reduced. In addition, the adjustment of the adjustment device is simple to operate, does not require much technology, and is convenient for more people to use.

The present invention relates to the technical field of light alloy manufacturing, and in particular to a processing mold and processing method for a thin-walled part with an annular groove on the end face; the processing mold comprises: a milling processing mold for processing the inner wall of the side of the thin-walled part and a lathe processing mold for processing the thin-walled end face with an annular groove; the milling processing mold is provided with a protective plate surrounding the side surface in a circumferential direction on the side of the thin-walled part; the lathe processing mold is provided with an external support structure for pressing the outside of the central annular end face of the thin-walled part and an internal support structure for supporting the inside of the central annular end face of the thin-walled part, and the external support structure and the internal support structure are used to keep the thin-walled part stable when processing the annular groove. The processing mold solves the deformation and vibration of the second end face during lathe processing and the side vibration during milling processing, and realizes high-precision and stable processing of the side wall and end face of magnesium alloy thin-walled parts.

The invention discloses bogie traction equipment which comprises a rack and a shell on the rack, and further comprises a power unit arranged on the rack and used for driving the rack to move on a rail; the auxiliary unit is arranged on the rack and used for keeping the rack stable when the power unit drives the rack to move, the tremor feeling of the rack in the running process can be reduced by arranging the power unit on the rack, and therefore the stability performance of the rack is improved, in addition, through matched arrangement of the auxiliary unit, the gravity center force of the rack can be improved, and the stability of the rack is improved. And meanwhile, the gravity center of the rack is changed during turning so as to adapt to eccentric force at the turning position, and therefore the stability performance of the rack is further improved.

The present invention provides a docking mechanism for an aircraft and a crawling robot, comprising an adsorption unit, a docking unit and a transport unit. The adsorption unit is used to fix the aircraft by adsorption force after the aircraft flies to a specified position; the docking unit carries a crawling robot and maintains linear motion under the action of the transport unit, and when the crawling robot contacts the normal surface corresponding to the docking mechanism, the docking unit releases the crawling robot. Compared with the prior art, the docking mechanism of the present invention is simple and practical, with a simple and compact structure, and is suitable for various working environments. The docking mechanism sets the adsorption unit at the front end of the mechanism, and is used to fix the aircraft when the aircraft flies to a specified position. In addition, the docking mechanism, with the cooperation of the docking unit and the transport unit, enables the crawling robot to maintain linear motion, and when the crawling robot contacts the normal surface, the docking unit releases the crawling robot to perform wall operations.

The utility model relates to the technical field of polishing equipment, specifically disclose a kind of polishing head driving device, including support column, rotary seat, driving mechanism and positioning damping mechanism;Rotary seat is sleeved in support column outside;Driving mechanism is located in support column;The driving end of driving mechanism is connected rotary seat;Positioning damping mechanism includes driving adjustment assembly and positioning damping piece, driving adjustment assembly is located in support column, the driving end of driving adjustment assembly is connected positioning damping piece, for driving positioning damping piece close and abut on rotary seat or away from rotary seat.In the utility model, when need to accurately position polishing head on station, through driving adjustment assembly driving positioning damping piece abuts on rotary seat, to deadlock rotary seat, to facilitate the positioning adjustment of polishing head, positioning damping piece can also stop blocking the displacement or tremor of rotary seat, reduce the tremor amplitude of driving mechanism and polishing head, to improve the processing quality of the product to be processed, also avoid the breakage of the product to be processed.

A novel copper ring cutting device comprises a rotary table assembly and a cutting assembly, the rotary table assembly comprises a fixed circular truncated cone, a copper ring pressing mechanism is arranged on the fixed circular truncated cone, a cutting station is arranged below the output end of the copper ring pressing mechanism, a circular rotary table is arranged on the periphery of the fixed circular truncated cone, and a plurality of copper ring positioning columns are arranged on the circular rotary table; the periphery of the copper ring positioning column can be attached to a copper ring in a profiling mode, and a machining groove is formed in the copper ring positioning column. The cutting assembly comprises a mounting frame, the mounting frame is provided with a cutting fluted disc, the cutting fluted disc is driven by a motor, and a certain included angle is formed between the cutting path of the cutting fluted disc and the mounting plane of the circular rotary table. The copper ring positioning column capable of being attached to the inner side of the copper ring in a profiling mode is adopted as a positioning piece, so that the copper ring is arranged more stably; a certain included angle is formed between the cutting path of the cutting fluted disc and the mounting plane of the circular rotary table, so that the cutting fluted disc is prevented from generating overturning acting force on the copper ring, vibration of the cutting fluted disc and the copper ring in the cutting process is reduced, and burrs at the cutting end are avoided.

The present invention discloses a tooth-cutting tool for cycloidal wheel machining and a design method thereof. The tooth-cutting tool comprises a tool body and a plurality of teeth evenly distributed along the circumference of the tool body, each of the teeth comprising a rake face, a flank face and a cutting edge; the rake face is a curved surface; the cutting edge is a conjugate line of the cycloidal wheel tooth surface to be machined, and the working rake angles at any point on the cutting edge are equal; the flank face is a curved surface composed of a plurality of the cutting edges. The rake angles of the cutting edges of the tooth-cutting tool are consistent when cutting, which can effectively improve the tooth surface machining quality and reduce machine tool vibration.

The invention relates to the field of equipment, and discloses a turbocharger detachable impeller which comprises a main body, a through groove is formed in the center of the main body, a plurality of sliding grooves are formed in the main body in a circumferential array shape, movable grooves are further formed in the positions, located on the two sides of the sliding grooves, in the main body, and an auxiliary structure is arranged on the outer wall of the main body. A locking structure is arranged in the main body, the detachable impeller of the turbocharger is provided with the locking structure and the movable groove, the locking structure can drive the balancing weight to move outwards through centrifugal force after the impeller rotates by means of cooperation with the balancing weight, and the locking structure can be used for locking the balancing weight. The balancing weight can drive the telescopic plate to move and enable the limiting blocks on the surface of the telescopic plate to move upwards to extrude sliding blocks at the bottoms of the blades, the limiting blocks are made of rubber and can be better attached to gaps after being pressed, and the situation that the service life is affected due to the fact that the impeller shakes during high-speed rotation due to the fact that gaps exist at the matching positions of the sliding rails and the sliding grooves is avoided.

The utility model discloses a steel belt winding frame which comprises a machine frame, a base frame is arranged on one side of the top end of the machine frame, a vertical frame is arranged on the other side of the top end of the machine frame, two base frames are arranged on one side of the top end of the base frame, and a first rotation driving piece is installed on the outer wall of one side of each base frame. One end of the first rotary driving part extends into the base frame and is provided with a belt transmission structure, the outer surface of the upper end of the belt transmission structure is provided with a winding roller through a guide shaft, a second rotary driving part is installed on the outer surface of one side of the vertical frame, one end of the second rotary driving part penetrates through the vertical frame and is provided with a lower pressing roller, and a lifting driving part is installed at the top end of the vertical frame. The bottom end of the lifting driving piece extends to the inner side of the vertical frame and is provided with an upper connecting base. According to the steel belt winding frame, the steel belt can be evenly distributed and wound on the outer wall of the winding roller so as to guarantee the winding effect of the winding frame on the steel belt when the winding frame is used, the stability of the winding roller during operation is guaranteed, and the phenomenon that the steel belt is loosened and falls off when wound on the outer wall of the winding roller is reduced.

The invention discloses a special-shaped tooth type curved rake face tooth cutting cutter and a design and modeling method thereof in the field of tooth cutting cutter machining. The cutter comprises a cutter body and a plurality of cutter teeth arranged in the circumferential direction of the outer edge of the cutter body. Each cutter tooth comprises a cutting edge, a front cutter face and a rear cutter face. The cutting edge is obtained by fitting a profile point selected by a conjugate surface of the tooth surface of the special-shaped gear according to a constraint condition through a fitting curve; the rear tool face is a free-form surface formed by a series of cutting edges obtained through intersection; the rake face is a free-form surface for controlling the cutting rake angle of the cutting edge to be constant; the invention further discloses a design and modeling method of the tooth cutting cutter with the special-shaped tooth curved rake face, so that the cutting rake angle of the special-shaped tooth curved rake face is consistent with the cutting rake angle of the cutting edge, the stability of the tooth cutting cutter in the cutting process is kept, the surface quality is improved, and the machining precision is improved.

The embodiment of the present invention discloses an ultra-high voltage positive and negative composite pulse electric field generating circuit, which relates to the field of high voltage pulse therapy. The circuit mainly includes: a power module, an electric field generating module, a driving circuit, a control module and an interface circuit. The power module is used to provide positive and negative power, and the electric field generating module is used to increase the power supply voltage to 3000V to provide a bipolar voltage of positive and negative 3000V to reduce muscle tremor. The interface circuit is connected to an external detection device, and the control module is used to collect and process real-time data, and generate a driving signal to drive the electric field generating module to operate. The circuit can solve the problems of inaccurate tumor cell therapy and severe muscle tremor in existing tumor treatment technologies, and further improve the treatment efficiency of tumor cells.