142results about How to "Adjustable rotation speed" patented technology

The invention relates to a silicon chip surface defect detector capable of classifying defects and a defect classifying method. The flat surface of the silicon chip to be detected on a highly reliablesilicon chip working platform is irradiated by a laser from an inclination direction. Circular narrow channel collection and annular narrow channel collection are carried out on scattered lights produced by the silicon chip surface defect by two paraboloidal mirrors with different calibers in a direction near the silicon chip face normal and parallel with silicon chip face. Two photoelectric detectors detect intensities of the collected electrooptical signals in two channels respectively and then take a ratio of two intensities, then compare the ratio with a given threshold value, and at lastthe silicon chip surface defects can be classified. The defect detector has the advantages of simple structure, high sensitivity, fast detecting speed, capability of classifying the defects on the silicon chip surface, etc.

The invention discloses an interventional surgical robot subordinate end and a mobile platform and a control method of the robot subordinate end and belongs to the technical field of minimally invasive blood vessel interventional operations. The mobile platform comprises a platform main beam, and platform connection blocks are arranged on the platform main beam through a linear guide rail pair D; the platform connection blocks are driven by a platform driving mechanism and used for installing a catheter controller or a guide wire controller. The interventional surgical robot subordinate end comprises the catheter controller, the guide wire controller and the mobile platform; the catheter controller and the guide wire controller are mounted on the two platform connection blocks respectively. According to the interventional surgical robot subordinate end, the catheter controller and the guide wire controller are installed on the mobile platform, and the problem is solved that it is difficult for an existing robot to complete co-operating of a catheter and a guide wire.

The invention discloses an interventional surgical robot subordinate end device and a control method thereof and belongs to the technical field of minimally invasive blood vessel interventional operations. The device comprises a main body, a catheter clamp holder, a guide wire clamp holder, a torsional component and a force measurement component; the catheter clamp holder is used for clamping catheters, the guide wire clamp holder is used for tightly clamping or loosening guide wires, and the catheter clamp holder and the guide wire clamp holder are both detachably mounted on the main body; the catheter clamp holder comprises a medical three-way valve and a clamping component, and the medical three-way valve is used for connecting the catheters and is fixed to the main body through the clamping component; the torsional component is used for driving a screw cap of the medical three-way valve to drive the catheters to rotate; the force measurement component is used for detecting push force of the catheters. The subordinate end device can clamp the catheters and tightly clamp or loosen the guide wires, achieves co-operating operation of the catheters and the guide wires, and is simple in structure and convenient to disassemble and assemble. According to the control method, the subordinate end device is controlled so that clamping, pushing, torsion and force measurement of the catheters and clamping of the guide wires can be completed, and accordingly co-operating of the catheters and the guide wires is achieved.

The invention relates to the technical field of mechanical equipment, and discloses a printing and dyeing raw material mixing apparatus. The apparatus comprises a casing, two sides of the top part of the casing are fixedly connected to bearers, the top parts of the bearers are fixedly connected to a supporting plate, and the top of the supporting plate is fixedly connected to a water tank; double sides of the water tank are fixedly connected to water pipes, and interface parts of the water tank and the water pipes are fixedly connected to sealing gaskets; one end of the two water pipes is respectively inserted with a buffering box, the buffering boxes are at double sides of the top part of a casing cavity, double sides of the bottom parts of the buffering boxes are fixedly connected to universal joints, and the bottom parts of the universal joints are movably connected to nozzles. The printing and dyeing raw material mixing apparatus employs a servo motor in the casing to drive connecting rods and stirring paddles at the bottom of the connecting rod, so that frame type mixing blades and mixing arms at double sides of the connecting rods run simultaneously, filled materials are comprehensively and uniformly stirred, stirring and mixing speed is improved, the servo motor can adjust the rotation speed and control speed of stirring, and the stirring effects are better.

Axially adjacent annular booster bleed aft and forward plenums with annular common wall therebetween extend radially outwardly from transition duct. Variable bleed valve includes bleed valve door in bleed inlet in transition duct, attached to rotatable valve body rotatable about axis of rotation, operable to open and close bleed inlet to aft plenum. Rotatable plenum door clocked or circumferentially spaced apart from variable bleed valve door and attached to rotatable valve body, operable to close and open up and control flow through an inter plenum aperture in common wall. Aft and forward bleed exhaust ducts extend from booster bleed aft and forward plenums to bypass flow path. One or more heat exchanger, such as from thermal management system, may be disposed in the bleed exhaust ducts. Heat exchangers may be used for cooling oil for power gear box and/or engine bearings, air conditioning, or variable frequency generator.

The invention discloses a power unit assembly of a drill milling head. The power unit assembly is mounted on a front end face of a pipe cutter movable plate through a bottom plate, two paralleling linear guide rails are fixedly mounted on the bottom plate, and a box body is fixedly mounted on the linear guide rails. A lead screw is mounted on the bottom plate through a supporting seat and forms a lead screw nut pair with the box body. The box body can move along the linear guide rails under the drive of the lead screw. A hydraulic motor is fixedly mounted on a rear end face of the box body through a square flange, a motor shaft extends into a cylindrical hole of a rear end of a main shaft, and the motor shaft and the main shaft are connected by keys. The main shaft is in a form of single-pivot and two-way fixing. A cutter is integrally connected with a collet. A tapered wedge cushion block is additionally mounted on the pipe cutter movable plate, the power unit assembly of the drill milling head is fixedly mounted on the tapered wedge cushion block, so that an inclination angle of the power unit assembly of the drill milling head is changed, the cutter inclines during milling, and a welding groove can be directly formed on an end face of a pipeline during pipeline cutting, and integral operation of a cutting pipe and the groove can be achieved. The power unit assembly of the drill milling head is simple in structure and easy to achieve.

The invention relates to equipment capable of industrially implementing the entire dismantlement of a waste and old circuit board component. The equipment is characterized in that a heating groove and a vibrating table are arranged in parallel at the left and the righ, an overturning arm capable of rotating left and right is arranged above the heating groove and the vibrating table and a supporting frame is fixedly connected to the overturning arm in a cantilever mode; a beating pneumatic hammer is arranged above the vibrating table; a vibrating screen gaze is arranged below the vibrating table towards the discharge side; a soldering flux collector is arranged at the bottom of the vibrating frame, the dismantled component is held by the vibrating screen gaze and granular solder fluxes fall into the solder flux collector through the vibrating screen gaze; a blanking rack is a frame and provided with an elastic scalping grizzly screen, a circuit board is supported on the elastic scalping grizzly screen, and the dismantled component and solder flux fall off through the elastic scalping grizzly screen; and a blanking rotating shaft drives the blanking rack to overturn towards the blanking side. The equipment is simple and practical, can be industrially produced and has high efficiency, low energy consumption and less pollution.

The invention relates to an extracted liquid filtering device. The extracted liquid filtering device comprises a circular truncated cone-shaped housing; the internal part of the circular truncated cone-shaped housing is hollow; the upper end and the lower end of the circular truncated cone-shaped housing are provided with openings; the opening on the upper end is an upper circular hole, and the opening on the lower end is a lower circular hole; a circular truncated cone-shaped filter screen is arranged in the circular truncated cone-shaped housing; the height of the circular truncated cone-shaped filter screen is smaller than or equal to that of the circular truncated cone-shaped housing; the upper end external edge of the circular truncated cone-shaped filter screen is pressed against theinternal edge of the upper circular hole; the center of the bottom wall of the circular truncated cone-shaped filter screen is detachably provided with a vertical rod; the vertical rod is connected with a transmission device; a liquid level sensor and a concentration sensor are arranged on the internal wall of the circular truncated cone-shaped filter screen; the transmission device, the liquid level sensor, and the concentration sensor are connected with a controller through electric connection respectively. The above design is capable of accelerating extracted liquid filtering speed; when the circular truncated cone-shaped filter screen is blocked, it is not necessary to pump out the unfiltered extracted liquid; and processing efficiency is increased.

The invention relates to a method for growing a large size non-linear optic crystal through the linkage of a crucible and a seed crystal. In the growth process of growing the non-linear optic crystal through a molten salt method, the seed crystal is placed in a fused mass or on the surface of the fused mass; and the seed crystal and the crucible rotate synchronously and oppositely according to a certain rotation period. A device comprises a crystal growth device and a controller capable of driving the seed crystal and the crucible to rotate synchronously and oppositely according to the certain rotation period. The synchronous and contrarotational rotation period comprises the following steps: rotating acceleratively, rotating at a uniform speed, rotating deceleratively and stopping rotation in turn in a first direction; and then rotating acceleratively, rotating at a uniform speed, rotating deceleratively and stopping rotation in turn in a second direction opposite to the first direction. The synchronous and contrarotational rotation of the seed crystal and the crucible with an adjustable rotating speed facilitates the impurity removal in an early growth period of the seed crystal, grows a single crystal with a regular shape, and reduces or even eliminates the risk of the breaking of the seed crystal caused by an oversize moment resulting from the overweight of the seed crystal.

In a method and module for controlling rotation of a motorized spindle driven by a driving unit, a sensing unit is adapted for sensing vibration of the spindle and generates a voltage signal corresponding to the vibration of the spindle. A processing unit is coupled to the sensing unit for receiving the voltage signal therefrom, and outputs a control signal corresponding to the voltage signal upon detecting that the voltage signal is greater than a reference voltage corresponding to a predetermined vibration level of the spindle, such that the driving unit adjusts a rotation speed of the spindle in response to the control signal from the processing unit.

The invention discloses a planet type cleaning device, which comprises a revolving shaft, a revolving motor, a revolving disk, a middle belt wheel, an autorotation motor, an autorotation shaft, an autorotation disk and a cleaning container, wherein the revolving motor is connected with the revolving shaft through belt transmission; the revolving disk is fixedly connected with the revolving shaft; the autorotation motor and the autorotation shaft are connected with the middle belt wheel through belt transmission; the autorotation disk is fixedly connected with the autorotation shaft; the cleaning container is fixedly connected with the autorotation disk through a bolt; the autorotation shaft is connected with the revolving disk through a bearing; the middle belt wheel and the revolving shaft are connected with a bracket barrel which is vertically fixed on a bracket respectively through bearings; the cleaning container is fixedly connected with a top cover of the cleaning container through a bolt; the top cover of the cleaning container is connected with a top cover sealing shaft through a top cover dynamic seal and a bearing; a liquid drain pipe extends out of the cleaning container, is fixedly connected with the top cover sealing shaft, concentrically passes through the revolving shaft, keeps static relative to the revolving shaft, and is connected with an external pipeline through a dynamic seal. When the planet type cleaning device is used for cleaning plate type porous components, the using amount of a cleaning agent can be reduced, and residual solution on the surfaces of components after cleaning can be reduced.

The invention belongs to the field of precision detection, and relates to a slight warping detecting method for a small-sized annular part. A device comprises two parts: one part is a supporting module of the small-sized annular part, a mirror image placing surface is fixed to a rotating platform, and a positioning column used for positioning the small-sized annular part is fixed to the mirror image placing surface; the other part is a visual acquisition module which is mainly used for realizing vision inspection for the small-sized annular part; an industrial CCD camera is fixed to a camera placing plate through a fastening piece; the lower surface of the camera placing plate is fixed to a displacement platform. The detecting method utilizes machine vision to measure an interval generated by the annular part and a placing surface, and the measured data is considered as a standard for judging slight warping of the small-sized annular part; a mirror material is adopted as the placing surface, so that warping quantity shot by the camera is amplified two times as the actual warping quantity and observed conveniently; the positioning column is adopted to ensure that the center of the small-sized annular part and a rotating center coincide; the rotating platform can ensure that warping values of the part can be observed from different angles.

The invention discloses a novel pneumatic butterfly valve. The pneumatic butterfly valve comprises a butterfly valve body, a pneumatic actuator and a controller, wherein the butterfly valve body comprises a valve chamber, an elastic valve seat, a valve disc and a valve rod; the controller comprises a casing, an air source connector, air outlets and a solenoid valve, the air outlets comprise a first air outlet connected with the pneumatic actuator and a second air outlet connected with the elastic valve seat, the air source connector is connected with the solenoid valve, and the solenoid valve is connected with the first air outlet and the second air outlet respectively; an air inlet for inflating the elastic valve seat is arranged on the valve chamber and communicated with the second air outlet through an air pipe. The pneumatic butterfly valve is simple in structure, reasonable in arrangement, convenient to mount and dismount and attractive in appearance; meanwhile, an action air path of the pneumatic actuator and an inflation air path of the elastic valve seat can be controlled, so that abrasion during opening and closing of the valve disc and the valve seat can be reduced, and the sealing performance during closing of the valve disc and the valve seat can also be guaranteed.

The invention relates to the technical field of medical equipment, and discloses a neurological lower limb rehabilitation device with a pacifying function. The device comprises a fixed device, an auxiliary exercising device and a leg supporting and protecting device. The fixed device comprises a fixed bottom plate, and mounting side plates are fixedly connected to the front and rear side surfacesof the fixed bottom plate; a reinforcing plate is fixedly connected to the left upper end of the inner wall of the mounting side plate; a supporting plate is fixedly connected to the upper end of theinner wall of the mounting side plate; a movable fixing device is arranged at the lower end of the fixed device; the movable fixing device comprises a first telescopic rod and a second telescopic rod.The upper surface of the first telescopic rod is fixedly connected with four corners of the lower surface of the fixed bottom plate; the lower surface of the first telescopic rod is fixedly connectedwith a supporting base, the lower surface of the supporting base is fixedly connected with a layer of rubber cushion, and the problems that most existing lower limb rehabilitation devices are insufficient in auxiliary supporting protection for the lower limbs of a patient, and the patient cannot be well assisted in moving under the condition that the strength of the lower limbs of the patient isweak are solved.

The invention relates to a double-rocker-arm electric control rotation derrick which comprises a vertically-arranged main rod section, a mast, a derrick operation platform and at least one pair of rocker arms. The main rod section comprises a combination type lower base, a hydraulic lifting support, a main column and an electric rotation hinge base. The electric rotation hinge base is controlled by the derrick operation platform to conduct rotation and comprises a supporting frame, a hinge base body, a rotation bearing fluted disc, a motor, a reduction box and a rotation bearing base; angle transducers are arranged on the root portions of the pair of rocker arms and provided with anti-abrasion rope structures to be hinged to a connecting arm of the electric rotation hinge base; the derrick operation platform comprises a control cabinet, a monitoring display screen, a speed controller and a display limitation alarm device. The double-rocker-arm electric control rotation derrick is simple and reasonable in structural design, easy and convenient to assemble and apply and capable of achieving integrated operation such as electric control, detection, monitoring and alarming, the construction safety and the construction reliability are improved, the assemblage construction requirements of extra-high voltage line iron towers can be met, and the labor efficiency can be improved.

A rotating magnetic field device comprises an electromagnet, bearing pedestals, a coupling wheel, a speed reducer, a rotating shaft, a balance weight, a support, a power source control cabinet and a motor. The electromagnet is in a capital C shape, is composed of two sets of electromagnetic coils and electrical iron magnetic conductive loops and provides a direct-current magnetic field at intervals after being powered on. The two bearing pedestals symmetrically support the electromagnet. The electromagnet is connected with the speed reducer through the rotating shaft and the coupling wheel; the speed reducer is connected with the motor, and power is supplied to rotation of the electromagnet after the rotating speed of the motor is reduced; the balance weight and the electromagnet are symmetrically distributed on the two sides of the rotating shaft, the gravitational torque of the balance weight and the gravitational torque of the electromagnet are equal when the balance weight and the electromagnet rotate, and unbalance caused to the system when the electromagnet rotates can be eliminated; the power source control cabinet is connected with the motor and provides energy for the system, and operation parameters can be set conveniently; the support is located on the lowest position of the whole device and used for supporting all the other structural components. The magnetic field intensity can be adjusted conveniently by adjusting currents, rotation movement perpendicular to the magnetic field direction can be achieved, and the rotation speed is adjustable.

The invention discloses a screw rod polishing and trimming all-in-one machine which comprises a main shaft tail base rotating mechanism, a polishing wheel high-speed rotating mechanism, a sanding belt feeding transmission mechanism, a mechanical balance weight pressure control mechanism and a trimming wheel. The main shaft tail base rotating mechanism is used for clamping a screw rod and enabling the screw rod to rotate at a constant speed. The polishing wheel high-speed rotating mechanism is composed of a driving wheel, a driven wheel, a sanding belt tensioned between the driving wheel and the driven wheel, and a high-rotating-speed motor used for driving the driving wheel to drive the sanding belt to rotate at a high speed. The angle of the sanding belt is consistent with that of the lead angle of the screw rod clamped by the main shaft tail base rotating mechanism. The sanding belt feeding transmission mechanism is used for automatically feeding the sanding belt at a constant speed according to the screw pitch of the screw rod clamped by the main shaft tail base rotating mechanism. The mechanical balance weight pressure control mechanism is used for enabling the sanding belt to press down constant down pressure on the bottom diameter and the rear angle of the screw rod clamped by the main shaft tail base rotating mechanism to polish the bottom diameter and the rear angle of the screw rod. The trimming wheel is used for trimming the angle between the front angle and the bottom diameter of the screw rod clamped by the main shaft tail base rotating mechanism into a 90-degree angle. The machine has the advantages of being high in automation degree and stable in polishing and trimming quality.

The invention discloses a guide wire controller for an interventional operation robot and a control method of the interventional operation robot, and belongs to the technical field of minimally invasive vascular interventional operations. The controller comprises a basal part as well as a guide wire clamping mechanism and a clamping switching mechanism which are arranged on the basal part, whereinthe guide wire clamping mechanism is used for clamping a guide wire; the clamping switching mechanism is used for driving the guide wire clamping mechanism to loosen clamping on the guide wire; the guide wire clamping mechanism comprises a guide wire locking sleeve, a guide wire locking rod and a guide wire locker; one end of the guide wire locking rod is provided with the guide wire locker and is arranged into the guide wire locking sleeve; and the guide wire locker, which is squeezed by virtue of the guide wire locking rod, can clamp the guide wire. The guide wire controller provided by theinvention is simple in overall structure, and the guide wire controller, which adopts modular structure design, is simple and convenient in dismounting and mounting combination, compact in structure,light in overall weight and relatively low in manufacturing cost.

The invention relates to a special massage head hood for a head massage health-care robot. The special massage head hood comprises an outer shell, an inner shell and massage execution devices, wherein the outer shell and the inner shell are of semi-spherical shell structures, the inner shell is positioned in the outer shell, an annular accommodating cavity is formed between the inner shell and the outer shell, the massage execution devices are uniformly mounted in the annular accommodating cavity formed between the inner shell and the outer shell in sequence, one end of each massage execution device is connected with the outer shell, and the other end of each massage execution device contacts the inner shell. The special massage head hood can realize the movements towards four degree-of-freedom directions, namely, one translation movement and three rotation movements, the movement effects are good, a plurality of movement degrees of freedom are available, the contact with the head is comprehensive, the movement and rotation speeds are adjustable, the special massage head hood can be used by people of all ages, the applicability is wide, and thus the massage effects of the special massage head hood are improved.

The invention discloses a bromhidrosis cleaner, which comprises an outer tube, a hollow cutting suction tube and a negative-pressure cabin capable of sucking a cut tissue, wherein the cutting suction tube is arranged in the outer tube through a bracket; one end of the cutting suction tube is provided with a drive motor which is used for driving a blade to rotate; the drive motor is connected with a switch arranged on the outer tube and a moveable resistor through leads; and the other end of the cutting suction tube is communicated with the negative-pressure cabin through a negative-pressure suction tube. The bromhidrosis cleaner has the characteristics that: the structure is simple; the use is convenient; the surgery requires less time and low labor intensity; the patients suffer little; the rotating speed of a blade is adjustable; the production cost is low; and the promotion and use are convenient.

The invention relates to a height adjustable multi-roller transmission device and belongs to the technical field of delivery. The height adjustable multi-roller transmission device comprises a workbench, a motor, a support and more than one roller; rollers are located on the workbench through the support, two ends of the rollers are rotationally connected with the support through bearings, and the rollers are uniformly distributed on the workbench; the same ends of the rollers are provided with chain wheels; the rollers are in transmission connection through engagement of the chain wheels and a chain, and the motor is in transmission connection with one of the chain wheels; the rollers are uniformly provided with antislip grooves peripherally; the antislip grooves are respectively in a line and extend to two ends of the roller; the workbench is provided with more than two groups of legs; the legs comprise first and second legs which are in sliding connection. The height adjustable multi-roller transmission device is firm in structure and convenient to use.

The invention discloses an automatic joint-turning exercising device for scapulohumeral periarthritis rehabilitation therapy. The automatic joint-turning exercising device comprises a base, wherein a station is arranged at the center of the base, control boxes are symmetrically arranged on two sides, lifter is arranged under the station, a display control screen and a sudden stop button are arranged on the control boxes, an auxiliary armrest is arranged at the front end of the display control screen, partition plates are arranged on the sides of the control boxes, shoulder sleeves are arranged at the centers of the partition plates, side plates are arranged at the top ends and on the sides of the partition plates, cameras are arranged at the top ends of the side plates, turning wheels are arranged on the shoulder sleeves, angle adjusting devices are arranged on the turning wheels, rotating sheaths are arranged on the angle adjusting devices, a servo motor is arranged at the rear portion of the base, a belt is arranged between the servo motor and the turning wheels, and a speed monitoring device is arranged on the servo motor. The automatic joint-turning exercising device for scapulohumeral periarthritis rehabilitation therapy can assist a patient to automatically perform turning motions of the arm shoulder joints, the problem that weak old people cannot perform lasting and effective shoulder joint activities is effectively solved, and large treatment effect is played on the scapulohumeral periarthritis.