2196 results about "Rotation control" patented technology

A manually pullable out and automatically retractable flexible barrier apparatus for engagement between first and second surfaces having a base that includes a foot, a head, and a spool portion between the foot and the head that spools in and spools out the flexible barrier. A coil spring is wound about a nonrotatable support tube in the spool, is fixed to the top of the nonrotatable support tube, and is further fixed to a lower cap in the spool that rotates with the spool. An upper cap in the spool, rotating with the spool, is lockable and unlockable to a rotating control knob in the head.

A canteen is composed of a main body, a cover, a control unit, a valve and an annular blocker. The cover is engaged with the main body, having a jointing tube protruding into the main body and two notches cut in the jointing tube. The control unit is fixed on the cover, having a jointing portion, two grooves formed in the jointing portion and reversely shaped to correspond to the notches of the cover, and a sucker bored with an outlet. The valve is installed in the control unit, having a bar to correspond to the outlet, and a guiding rod transversely extended out from its bottom to extend through the grooves and the notches of the cover. When rotating the control unit, the valve is moved up and down to be separated from or to clog the outlet, convenient for using and preventing the suction portion from contaminated.

A folding mechanism for an armrest handle of a treadmill is provided, including: the armrest handle having left and right bottom ends that are configured to be connected to the treadmill; a rotational assembly, including: a connecting rod, a limiting member being provided on a left section of the connecting rod, and a diameter of the limiting member being greater than a diameter of the connecting rod; a rotation control plate, an arc-shaped sliding groove being disposed on the rotation control plate, one end of the sliding groove being provided with a limiting hole that is in communication with the sliding groove, a width of the sliding groove being greater than a width of the connecting rod and less than a width of the limiting member, and a diameter of the limiting hole being greater than the diameter of the limiting member.

In a segmented ball valve for low noise and anti-cavitation applications, a replaceable cartridge is fixed inside and retained by stem and end post. The segment has a machined cylindrical bore with a slide-fit noise cartridge, enabling field replaceability with minor effort & without need of welding or fasteners. The replaceable cartridge also enables use of a fully cylindrical cartridge with greater pressure reduction stages compared to welded-on noise plates on the segment. The segment has a flattened front face resulting in lower Fd enabled by dual flow path in lower openings values thereby attaining higher noise attenuation where the cartridge is not required. The curved plates of the low noise and anti-cavitation cartridge enable: expanding flow resulting in non-impinging jet streams thereby achieving higher noise attenuation in one direction; and converging flow in the opposite direction resulting in reduction of flow energy, and the potential for cavitation for liquids.

The invention discloses a pipe fitting cutting device for liquid crystal display screen machining, and relates to the technical field of pipe fitting cutting, the pipe fitting cutting device comprises a rack, and further comprises a pipe fitting clamping and rotating mechanism, a rotating ring rotating control mechanism, a pipe fitting front-back driving mechanism and a pipe fitting opposite-direction cutting mechanism, and the pipe fitting clamping and rotating mechanism comprises two front-back corresponding supporting rings; the bottom of the supporting ring on the front side is installed on the upper side of the rear end of the rack, the two supporting rings are connected through a supporting ring distance adjusting telescopic rod piece, each supporting ring is provided with a ring center clamping execution assembly, and the ring center clamping execution assemblies are connected with ring center clamping transmission assemblies. The rotating ring rotation control mechanism is connected with the ring center clamping transmission assembly; when the pipe fitting cutting device for liquid crystal display screen machining works, the cutting depth is only the thickness of the pipe wall of the pipe fitting to be cut, abrasion of the circular cutter can be effectively reduced, the cutter is prevented from being clamped or even damaged, and meanwhile the cutting face of the pipe fitting is smooth.

The invention relates to the technical field of fabric air permeability detection, in particular to textile fabric air permeability detection equipment and a detection method.The textile fabric air permeability detection equipment comprises a detection table and a supporting frame installed above the middle of the rear side of the detection table, two detection pipes are symmetrically installed in a transverse plate in a penetrating mode, and two detection grooves are symmetrically formed in the upper surface of the detection table; an air supply mechanism is mounted in the detection table below the detection groove, bearing frames are mounted on the left side and the right side of the detection table, clamping frames are mounted on one sides of the bearing frames through mounting rods, a synchronous clamping control assembly used for controlling the clamping frames to clamp the fabric is connected to the front side face of the detection table, and a control rod is mounted at the right end of the mounting rod on the right side; the right end of the control rod is connected with the self-rotation control assembly. According to the textile fabric air permeability detection equipment and method, the air permeability of the front face and the back face of the textile fabric can be detected at the same time, the detection efficiency is improved, and different use requirements are met.

The invention provides a long-span bridge rotation in-place control method based on a neural network and a computer system, and the method comprises the steps: carrying out the spatial-temporal feature decoupling through collecting a rotation motion data sequence generated in a long-span bridge rotation construction process, and obtaining a rotation posture evolution feature and an environment interference coupling feature; then calling a pre-trained swivel dynamics prediction network to carry out joint dynamics modeling on the two to generate a state prediction sequence of a swivel process, then carrying out deviation comparison on the state prediction sequence and a preset swivel target trajectory sequence, and generating a swivel deviation risk assessment matrix containing a position deviation value and an attitude deviation value; and finally, based on the rotation deviation risk assessment matrix, driving the rotation control parameter optimization network to carry out compensation calculation, generating a rotation in-place control instruction set containing a traction force adjustment coefficient and a rotation speed correction value, and transmitting the rotation in-place control instruction set to a rotation driving system. According to the invention, the accuracy and reliability of rotation in-place control of the large-span bridge can be improved.

The invention relates to the technical field of aluminum alloy door and window automatic welding, in particular to an aluminum alloy door and window automatic welding device and a method thereof.The device comprises a workbench and an aluminum alloy rod piece arranged at the top end of the workbench, and a control panel is arranged on one side of the workbench; a positioning and clamping mechanism used for positioning and clamping an aluminum alloy rod piece is arranged at the top end of the workbench, the inner wall of the bottom end of the lifting table is connected with a connecting rod fixedly connected with the middle of the welding fixing table through a bearing, and a steering mechanism used for rotation control is arranged in the lifting table. An auxiliary clamping mechanism for assisting welding is arranged at the top end of the lifting table, and a welding mechanism used for adjusting and welding is arranged at one end of the workbench. The device does not need to be operated by multiple persons, welding and chamfering work can be completed by only one person, the product quality and the production efficiency can be improved, the product yield is guaranteed, meanwhile, sharp corners can be prevented from scratching a user, and the use safety of the user is improved.

The present invention discloses a flatness detection method for a tower flange of a wind turbine generator set, comprising two steps: a flange plane 3D point cloud acquisition stage and a flatness calculation stage; wherein: the flange plane 3D point cloud acquisition stage comprises the following steps: rotation control comprises the following steps: the 3D vision detection module is accurately positioned; the 3D vision detection module performs laser line scanning on the annular surface to be detected by the flange; the 3D vision detection module performs 3D point cloud acquisition on the flange surface to be detected; the flatness calculation stage comprises the following steps: flatness calculation is performed according to the 3D points output by the 3D vision detection module; and the result is output; compared with the prior art, the flatness detection method for the tower flange of a wind turbine generator set of the present invention integrates motion control and 3D vision detection technology, provides an automated detection method, innovates the current single instrument manual detection method, and improves the efficiency and speed of tower flange flatness detection.

The invention relates to the technical field of fruit and vegetable fermentation polyphenol extraction, and discloses a fruit and vegetable fermentation polyphenol extraction device and method.The fruit and vegetable fermentation polyphenol extraction device comprises a reaction tank, the reaction tank is used for fruit and vegetable fermentation polyphenol extraction, and a fermentation extraction control mechanism is rotationally arranged in the middle of the reaction tank; the device comprises a reaction tank, the top end of the reaction tank is fixedly provided with a positioning shaft, one side of the reaction tank is fixedly provided with a fermentation extraction lifting control mechanism, the bottom end of the fermentation extraction lifting control mechanism is fixedly provided with a rotation control mechanism, and the output end of a first motor fixed to the top end of the reaction tank drives the positioning shaft to rotate rapidly in the forward direction; a rotary aeration effect is achieved at the bottom end of the fruit and vegetable liquid in cooperation with rotation of the communicating frame, so that fruit and vegetable fermentation liquid and air are fully mixed, it is ensured that microorganisms in the fruit and vegetable liquid can obtain enough oxygen to conduct normal metabolic activity, and an extracting solution enters the inner wall of the reaction tank through an extracting solution feeding pipe by adopting the same method; the extracting solution and the fruit and vegetable liquid are fully mixed by alternately pumping the extracting solution and the gas.

The disclosure relates to a segmented ball valve for low noise and anti-cavitation applications, wherein a replaceable cartridge may be fixed inside and retained by stem and end post. The cartridge may incorporate irregular or regular polygonal-shaped plates or a combination of polygonal shaped plates and round bars facilitating staged pressure reduction and effectively mitigating or eliminating the occurrence of high-intensity cavitation and noise. The segment may have a precisely machined cylindrical bore designed to accommodate a slide-fit anti-cavitation and noise reduction cartridge; this allows for convenient field replaceability of the cartridge with minimal effort, eliminating the need for welding or fasteners to affix it to the segment. This cartridge may also facilitate the utilization of this fully cylindrical bore inside the segment for incorporating a greater number of pressure reduction stages compared to the currently available designs.

A support system includes a platform floating at a surface of a body of water, a set of mooring elements, and a set of motion dampers. Each mooring element is rigidly coupled to the platform and to a bottom of the body of water. Each motion damper is coupled to the platform. Each motion damper includes a spool, a line, and a rotation controller. The line is coupled to and partially wound on the spool and has an end rigidly coupled to the bottom of the body of water wherein a tension force in the line is affected by rotation of the spool. The rotation controller is coupled to the spool and is operable to control the rotation of the spool based on the tension force in the line.

A base frame assembly and a chair are disclosed. The base frame assembly includes a frame body, a lifting connecting structure, a translation connecting structure, a backrest connecting structure and a control handle. The lifting connecting structure is used for driving the frame body to lift up or down. The translation connecting structure is used for driving the frame body to move back and forth and / or move left and right. The backrest connecting structure is used for driving a backrest to rotate relative to the frame body. The control handle is movable and / or rotatable in at least three different directions, to respectively drive the lifting connecting structure, the translation connecting structure and the backrest connecting structure through different motion trajectories.

The invention relates to the technical field of breeding feed feeding, in particular to an intelligent feeding system and an intelligent control method. The intelligent feeding system comprises an aquaculture net cage module, a pneumatic feeding module, a bait conveying module and an intelligent control module. The culture net cage module comprises a culture net cage, and the shape of the culture net cage is a cube or a cuboid; the air-assisted feeding module comprises an air-assisted feeding machine; the air-assisted batch feeder is arranged above the culture net cage; the bait conveying module comprises a bait conveying pipe and a rotary controller; the bait conveying pipe and the rotary controller are arranged above the culture net cage; and the intelligent control module is used for measuring the wind direction and the water flow direction, and intelligently controlling the rotary controller through the measured wind direction and the measured water flow direction. According to the invention, the feeding efficiency and accuracy are improved, and the bait cost is saved.

A rotary actuator includes a housing having a first end and a second end spaced from the first end along an axis. The housing defines a cavity extending circumferentially about the axis. An output shaft is arranged coaxially with the axis. The output shaft extends outwardly from the cavity through the first end. A drive system is disposed in the cavity and axially spaced from the first end. A gearbox is disposed in the cavity between the output shaft and the drive system. The gearbox is coupled to the drive system and the output shaft. A rotational controller is disposed in the cavity between the drive system and the second end. The rotational controller is configured to actuate the drive system to adjust an angular position of the output shaft.

The invention discloses an efficient calcining furnace feeding and distributing structure for synthesizing zeolite from steel blast furnace water slag, and relates to the field of calcining furnace feeding. According to the technical scheme, the device comprises a feeding mechanism used for feeding and distributing, the feeding mechanism comprises a distributing box, a feeding wheel and a motor, the distributing box is rotationally connected with a supporting table and used for controlling the feeding angle through rotation to achieve distributing, the feeding wheel is rotationally connected into the distributing box, and the motor is connected with the feeding wheel; the feeding wheel is used for increasing the feeding strength through centrifugal force, the motor is fixed to the bottom of the supporting table, and the output portion of the motor is fixedly connected with the feeding wheel. And the motor is linked with the material distribution box through the synchronizing mechanism. The feeding wheel is rotationally connected into the material distribution box, the force of materials entering the calcining furnace is increased through centrifugal force, in other words, the rotating speed of the feeding wheel is controlled, the feeding position can be controlled, and the materials can be evenly dispersed into the calcining furnace.

The invention discloses a vacuum sludge waste heat drying device, system and method, and belongs to the technical field of sludge drying. A plurality of hollow discs are coaxially arranged on a driving shaft, a plurality of partition plates are arranged on the periphery of the edge of each hollow disc, and a fixing shaft is arranged between every two adjacent partition plates; a fixed plate is obliquely and fixedly arranged on the fixed shaft, a rotating plate is rotationally arranged on the fixed shaft, when the driving shaft rotates in the first direction, the fixed plate and the rotating plate are located on the same plane, and when the driving shaft rotates in the second direction, the fixed plate and the rotating plate are arranged relative to the partition plate in a mirror image mode; and balancing weights used for blocking gaps between the adjacent partition plates are arranged on the side faces of the rotating plates. According to the vacuum sludge waste heat drying device, through the unique forward and reverse rotation function, the performance in multiple aspects is improved. The driving shaft rotates forwards and backwards to drive the hollow discs coaxially arranged with the driving shaft to rotate synchronously, and then the fixed plates and the rotating plates fixed to the edges of the hollow discs are in different working states.

The invention provides a thermal cycle period customized thermal fatigue test method and equipment, the equipment comprises a rotation system, a heating unit, a cooling unit, a temperature detection probe, a temperature detector and a temperature controller, the temperature controller outputs signals to control the rotation system and a temperature adjusting system, thermal and cold circulation of a workpiece is realized, and the thermal fatigue test efficiency is improved. The temperature value of the sample in the whole cycle period is obtained through signal input of the temperature detector, the temperature controller compares the temperature fed back by the temperature detector with the set temperature, then the rotating system, the cooling unit and the heating unit are regulated and controlled and optimized continuously, and fitting of temperature waveforms is achieved. According to the equipment, through cooperative work of the temperature controller, the temperature adjusting system, the temperature detector and the rotating system, temperature control and rotating control on the sample placing platform are realized, so that the thermal fatigue test requirements of the same test material under various working conditions are met.

The invention provides equipment for extracting aluminum and calcium from solid waste and a method for recovering valuable components. The solid waste recovery device comprises a bottom plate, a pedestal, an extraction tank, a treatment tank and an extraction mechanism, the pedestal is installed on the upper surface of the bottom plate, the outer wall of the extraction tank is installed on the inner wall of the pedestal, a water tank is installed on the upper surface of the bottom plate and located on one side of the pedestal, and the treatment tank is fixedly arranged on the upper surface of the water tank; according to the scheme, through system integration of hydrothermal acid leaching, multi-stage solid-liquid separation and leachate refining technologies, deep extraction and efficient utilization of valuable elements such as fluorine, sodium and aluminum are achieved, the resource recovery rate is remarkably increased, the high-temperature energy consumption mode of traditional pyrogenic process treatment is broken through, the energy consumption is reduced, and the energy consumption is reduced. And the convex plate continuously rotates to control the guide wheel to enable the lifting rod to do reciprocating lifting motion in the extraction tank, so that the liquid level vortex phenomenon caused by traditional rotation can be eliminated, and the top liquid level of the extraction tank is more stable.

The invention discloses a crane shackle for hoisting construction of a large pipe truss, and relates to the technical field of crane shackles. Comprising a shackle mounting piece, a rotation control piece is mounted on the shackle mounting piece, and a stop plug connector is mounted on the shackle mounting piece; the rotation control piece is used for preventing the shackle mounting piece from being excessively screwed; an anti-falling safety part is mounted on the rotation control piece; the anti-disengaging safety part is located on the side face of the shackle installation piece. A connecting limiting piece is mounted on the shackle mounting piece; a shackle detection piece is mounted on the connection limiting piece; the problems that according to an existing crane shackle for hoisting construction of the large pipe truss, a bolt cannot be tightened conveniently, and the service life of the shackle cannot be known conveniently are solved. The backstop plug connector is matched with the rotation control piece, so that the shackle bolt can be prevented from being excessively screwed, the use safety of the structure can be improved, and the situation that due to the fact that the shackle bolt is excessively stressed, tiny deformation is generated, and thread seizure is caused is reduced.

The invention provides an ultrasonic detection device capable of controlling coupling strength and a method thereof, and belongs to the technical field of nondestructive testing, and the method comprises the following steps: device state and adjustment, ultrasonic sensor installation and position setting, a motor driving a screw rod to stretch out, pressure closed-loop control starting, and motor rotation control through a PID algorithm. And performing signal acquisition operation and device resetting. In the aspect of precision, the force can be accurately controlled in a specific range, the coupling strength is flexibly adjusted according to material characteristics, good acoustic coupling is formed, coupling layer interference is avoided, and the detection precision and the signal quality are greatly improved. The cost advantage is prominent, the hardware cost is greatly reduced, force is accurately controlled, probe abrasion is reduced, and the maintenance and replacement cost is reduced.

The invention discloses a product anti-collision storage device, and relates to the technical field of storage devices, the product anti-collision storage device comprises a storage box body, an inflation protection mechanism, a storage cavity, a connecting shaft, a top cover, an elastic pressure pad, a lock catch, an adjustable inflation mechanism, a buffer pad, a support seat, a placement pad and a limiting convex groove; the device has the advantages of being reasonable and simple in structure, low in production cost and convenient to install, product placing operation is convenient, a product is placed on the placing pad only by opening the lock catch and the top cover, and the anti-skid layer of the placing pad can prevent the product from sliding; the product can be protected in all directions, air sequentially flows through all pipelines to enter the protection air bag by starting the air pump, the product is clamped by inflating and expanding of the protection air bag, the protection effect is enhanced through an elastic plate in the protection air bag, and the second motor can drive the annular valve element to rotate, control and adjust the flowing hole diameter of the valve hole and adjust the air flowing resistance. The buffering effect is improved.

The invention discloses a pan-tilt camera and an anti-shake control method and device for the pan-tilt camera. The method comprises the following steps: acquiring first shake data acquired by a first inertial measurement unit arranged on a pan-tilt mechanism of the pan-tilt camera and second shake data acquired by a second inertial measurement unit arranged on a handle part of the pan-tilt camera; according to the first jitter data, the second jitter data, a first frequency response characteristic of the holder mechanism and a second frequency response characteristic of the optical anti-jitter camera module, generating a first anti-jitter compensation amount corresponding to the holder mechanism and a second anti-jitter compensation amount corresponding to the optical anti-jitter camera module; generating a rotation control parameter of each motor of the holder mechanism according to the first anti-shake compensation amount; generating a translation control parameter of each motor of the optical anti-shake camera module according to the second anti-shake compensation amount; and controlling each motor of the holder mechanism to execute rotation motion compensation according to the rotation control parameter, and controlling each motor of the optical anti-shake camera module to execute translation motion compensation according to the translation control parameter.

An actuator assembly is disclosed. The actuator assembly comprises: a support structure (2); a first movable part (10); a second movable part (12); actuator means configured to drive rotation of the first movable portion relative to the support structure about a main axis (O); first support means (20, 21) configured to convert said rotation of the first movable part into a helical movement of the first movable part relative to the support structure about the main axis; a rotation control means capable of limiting rotation of the second movable part about the main axis relative to the support structure; and second support means (30, 31) configured such that when the first movable part experiences said helical movement and the second movable part experiences said rotational restriction, the second movable part experiences a translational movement along the main axis relative to the support structure and / or the first movable part.

The invention discloses a humanoid robot teleoperation system and a control method thereof. The system comprises the steps that an exoskeleton unit collects joint angle information and arm length information of arms of an operator; the data glove collects finger joint angle information of an operator; the inertial measurement unit collects space attitude information of the head and the chest of an operator; the double-shaft control pedal is used for generating integral moving, lifting and rotating control signals of the humanoid robot on the basis of foot actions of an operator; and the central controller receives the arm joint angle information, the arm length information, the finger joint angle information, the head and chest space attitude information and moving, lifting and rotating control signals of the humanoid robot, obtains a whole-body cooperative motion control instruction of the humanoid robot through kinematics calculation, and sends the whole-body cooperative motion control instruction to a control end of the humanoid robot. The high-fidelity teleoperation of the whole-body motion of the humanoid robot is realized by fusing the collected whole-body motion data of the operator and combining the self-adaptive kinematics of the central controller for resolving.

A bite registration device and method for creating a dental prosthesis, the bite registration device comprising a fixed housing having a bottom surface and a top surface that defines a cavity that houses a yoke assembly and a rotational control assembly. A base plate connected to the bottom surface of the fixed housing, and a lower impression tray to hold a first amount of removable impression putty, attached to the bottom surface of the fixed housing, wherein the rotational control assembly controls the movement of the lower impression tray. An upper impression tray to hold a second amount of removable impression putty, attached to the top surface of the fixed housing, wherein the yoke assembly controls the movement of the lower impression tray. A bite registration device controller for regulating alignment of the upper impression tray and the lower impression tray.

A method is disclosed for making a glenoid guide that includes obtaining scapula surface profile information of a specific patient, providing a manufacturing plan for making the glenoid guide having at least one patient specific contact surface configured to contact a portion of the glenoid rim or glenoid surface and for making the guide having a rotation control feature forming member, and adapting the manufacturing plan to specify the location of the rotation control forming feature relative to a portion of the glenoid determined to benefit from augmentation based on the surface profile information.

The invention provides an escapement rotary control clutch, comprising top cover, being fixedly provided with control member; control component, comprising control claws and control disk, control claws being rotatably mounted on the control disk; first engagement structures are provided on peripheral edge of control disk; spool, comprising control portions and winding portion for rope to enwind, control portions passing through middle part of control disk to make control claws and control portions cooperate with other; base, top cover and base enclosing accommodation space with control component and spool therein; second engagement structure is provided in upper portion of base, and first engagement structure is unidirectionally engaged with second engagement structure, so that control component can be rotated only along base unidirectionally.

The invention relates to the technical field of medical instruments, in particular to a dose adjusting mechanism of an injection device and the injection device. A push rod part penetrates through a holding part and is in threaded connection with the holding part, a sound tooth part sleeves the push rod part and is in circumferential limiting connection with the push rod part, and the push rod part can move in the axial direction relative to the sound tooth part; one-way clamping grooves distributed in the circumferential direction are formed in the circumferential wall defining the containing cavity, the sound tooth part is located in the containing cavity, the sound tooth part is provided with an elastic clamping part, and the elastic clamping part is clamped into any one of the one-way clamping grooves; under the state that the push rod part is pressed, the push rod part can move in the axial direction and drive the sound tooth part to rotate synchronously under the action of the threads, so that the elastic clamping part slides along the peripheral wall defining the containing cavity to be clamped into one of the one-way clamping grooves in the front end. Axial control of the push rod part is converted into rotation control of the sound tooth part, rotation movement of the sound tooth part is discretized into fixed angle grading, the axial displacement of single-time grading of the push rod part is extremely small, and the small-dose injection requirement is met.

The invention provides a cutting device for PE pipe production, and belongs to the technical field of PE pipe ring cutting. Comprising a cutting driving part, a negative pressure outer supporting part is installed on the cutting driving part, a guiding part is installed on the negative pressure outer supporting part, and the guiding part is used for guiding a PE hose; the negative-pressure outer supporting piece is used for adsorbing the PE hose under negative pressure; a rotary control piece is mounted on the cutting driving piece; the rotation control piece is used for controlling rotation around the PE hose; a cutting part is mounted on the inner side of the rotary control piece; and the cutting part is used for annularly cutting the PE hose. The negative pressure outer supporting piece is arranged, negative pressure generated by vacuum suction is utilized, the outer wall of a pipe fitting is adsorbed for positioning, the stability of a hose can be guaranteed during follow-up cutting, and the adopted guiding piece can support the interior of the hose in real time; the problems that according to an existing cutting device for PE pipe production, it is inconvenient to use negative pressure to position a hose to guarantee the ring cutting quality, and it is inconvenient to automatically conduct multi-angle crumple protection are solved.