38results about How to "Stay still" patented technology

The invention relates to the technical field of out-of-plane puncture, and discloses an ultrasound-guided out-of-plane puncture adapter which is mounted on an ultrasonic probe. The adapter comprises a first fixing device mounted on the ultrasonic probe and a second fixing device used for fixing a puncture needle and connected with the first fixing device, wherein the second fixing device corresponds to a center short shaft of the ultrasonic probe and comprises two opposite right-angle fan-shaped clamping pieces and a locking device used for locking the former two; a movable sleeve is arranged between the two right-angle fan-shaped clamping pieces; the puncture needle is arranged in the movable sleeve; and one end of the movable sleeve is arranged at the right-angled vertices of the right-angle fan-shaped clamping pieces, and the other end thereof moves along the circular arcs of the right-angle fan-shaped clamping pieces. The invention further discloses an ultrasound-guided out-of-plane puncture device and a puncture method thereof. According to the invention, the problem that the corresponding puncture adapter is not available in an ultrasound-guided out-of-plane puncture technology is solved, and the application of the ultrasound-guided out-of-plane puncture technology in the clinical medical field is greatly promoted.

In an electrically rotated shovel (construction machine), to stop a rotating body (4), a control system changing means (150) provided in a rotation control device (100) switches a control rule from speed control to position control at the time point at which a target speed is determined to be lower than a speed threshold value. Switching to the position control enables braking torque greater than that in the speed control to be outputted to an electric motor (5), and as a result, the rotating body (4) can be reliably maintained stationary.

The invention relates to an ocean current energy power generation device, which comprises a power generator (201), an ocean current energy acquisition unit and a transmission unit. The ocean current energy power generation device is characterized in that the ocean current energy acquisition unit has a structure utilizing a plurality of current baffle components which open to the ocean current direction in ocean current impact to drive two gears to rotate synchronously, the transmission unit is a hydraulic transmission unit and comprises hydraulic cylinders (210), an oil tank (207), an energy accumulator (203) and a hydraulic motor (202). Affection of ocean current energy fluctuation onto the ocean current energy power generation device is low so that the ocean current energy power is more stable in running. The ocean current energy acquisition unit of the ocean current energy power generation device is simpler in structure and more convenient in maintenance.

The invention relates to a poker printing system with gravure printing and flexo printing combination. The poker printing system comprises a stand, a powder feeding part, a printing part, a polishing part, a drying part, a calendering part, a poker cutting part and a poker receiving part which are arranged on the stand in sequence, wherein the printing part comprises a gravure printing color group mechanism for printing the back surface of each poker and a flexo printing color group mechanism for printing the front surface of each poker; the gravure printing color group mechanism comprises an embossing rubber roller for tensioning printing paper, wherein the embossing rubber roller is in contact matching with a gravure printing plate roller, a station through which the printing paper passes is arranged between the embossing rubber roller and the gravure printing plate roller, the gravure printing plate roller is fixedly arranged on a base, and the base is movably arranged on the stand and connected with a clutch drive mechanism which is used for driving the gravure printing plate roller and the embossing rubber roller on the base to separate and contact. The invention is not necessary to change the tension and the printing station in the gravure clearing process and convenient to adjust, improves the production efficiency, reduces the production cost, and does not need to arrange an overturning mechanism between the gravure printing and the flexo printing.

The invention discloses an alignment module, an alignment device, a film deposition production line and a control method. The alignment module comprises a mask frame, a pressing plate assembly and a magnetic attraction assembly. The mask frame is configured to be a bearing mask plate. The mask frame is positioned to an external device through a positioning structure and is detachably connected with the external device. The pressing plate assembly is movably arranged on one side of the mask frame, and the pressing plate assembly can be used for pressing a substrate and the mask plate which arealigned. The magnetic attraction assembly comprises first magnetic attraction parts which are arranged on the mask frame and second magnetic attraction parts arranged on the pressing plate assembly. The pressing plate assembly is used for pressing the substrate and the mask plate which are aligned, then the first magnetic attraction parts are pressed on the pressing plate assembly, the first magnetic attraction parts and the second magnetic attraction parts are mutually attracted, and therefore the pressed substrate and the mask plate can be attached to each other. By means of the alignment module, the alignment device, the film deposition production line and the control method, the alignment module can be used for carrying the aligned substrate and mask plate to be independently moved andtransferred, in the transferring process, the alignment module can ensure the position precision of the aligned substrate and mask plate.

The invention discloses an angle chain electric window opening machine. The machine comprises a host, wherein the host is connected with an auxiliary mechanism which comprises a shell and a spring positioned in the shell; the rear end of the spring is connected with a rear cover; the front end of the spring is connected with a sliding block; the sliding block is positioned in a front cover and can slide in the front cover; the lower end of a guide block is movably connected with the lower end of the front cover through a pin shaft; the rear end of the guide block is pressed against the front end of the sliding block; and the auxiliary mechanism has a purely mechanical structure, and the power of the auxiliary mechanism is from elastic potential energy of the spring. External force for controlling the operation direction of a chain is applied to the chain at a chain outlet of the conventional chain electric window opening machine, so that the stationary state of the chain can be kept after the chain is stationary, and the effect of opening a window is prevented from being influenced by the bending of the chain; the window opening machine is multi-purpose, and the application range of the window opening machine is expanded; and the invention is mainly used for the chain electric window opening machine, and the electric window opening machine can be applied to more special windows.

The invention belongs to the technical field of turning machining, and particularly discloses a slot turning device for part machining. The device comprises a lathe, a feeding structure and a slot turning structure are arranged on the lathe, the feeding structure comprises a vibration disc, a feeding rail and a conveying disc rotatably connected to the lower end of the feeding rail, the vibrationdisc communicates with an inlet of the feeding rail, a retaining needle is in sliding connection to the feeding rail transversely, multiple through holes are formed in the outer wall of the conveyingdisc in the circumferential direction, the through holes can communicate with an outlet of the feeding rail, a driving part used for driving the conveying disc to intermittently rotate is further included, the slot turning structure comprises a clamping block fixed to the lathe and a slot milling knife rotatably connected to the lathe, the clamping block is attached to the outer wall of the conveying disc, and the slot milling knife and the clamping block are located on the same height. Through the scheme, the needs of screw intermittent feeding and slot turning can be met.

The invention provides an efficient circulating self-crystallization solid-liquid separation device. The device comprises a sludge area (1), a circulating crystallization area (2) and a solid-liquid separation area (3); the circulating crystallization area (2) comprises an outer cylinder (21), a middle cylinder (22) and an inner cylinder (23); the circulating crystallization area (2) and a negative pressure part (12) of the sludge area (1) form an inner circulation channel (27) and an outer circulation channel (28), a first power facility (5) is connected with a first stirring part (52) capable of rotating clockwise and anticlockwise, and the solid-liquid separation area (3) comprises a plurality of separation pipes (321). According to the device, sludge fine particles entering the circulating crystallization area (2) are sucked back and refluxed; crystallization crystal nucleuses are provided for generation of sludge crystallization particles, the principle of induced crystallizationheterogeneous nucleation is utilized, the crystallization particles are formed, sludge flowing back into a flocculation zone (29) accelerates the flocculation reaction process of inlet water, self-crystallization in the device is achieved, and finally the effect of solid-liquid separation is achieved through a suspended sludge layer.

The invention belongs to the related technical field of underwater laser welding, and discloses an underwater local dry laser welding monitoring experiment platform based on multiple sensing signals, and the experiment platform comprises a water tank support assembly, a workpiece clamping and moving assembly, a welding module, a monitoring assembly, a drainage assembly and a water tank; the water tank support assembly is of a frame structure with an upper layer and a lower layer and comprises a water tank installation protection support and a water tank connection supporting frame which are arranged from top to bottom and connected, the water tank is arranged on the water tank installation protection support, and the monitoring assembly is arranged on the water tank connection supporting frame. The workpiece clamping and moving assembly is arranged in the water tank, the drainage assembly is connected to the welding module, and the welding module is arranged adjacent to the workpiece clamping and moving assembly. The integration level is improved, the structure is simple, and the applicability is high.

The invention relates to a rack for conveniently adjusting parts during assembly. The rack comprises hooks, hangers and a rack body. The hooks are mounted on the hangers and used for hanging workpieces, the hangers are detachably mounted on the rack body, and the rack body is used for supporting the hangers. The rack is stable in structure and reasonable in layout, the hangers can be detachably connected with the rack body, the hangers can be conveniently dismounted and mounted automatically through a machine, automation can be conveniently achieved, and the machining efficiency can be effectively improved.

According to the transesophageal ultrasonic probe, a handle assembly and an insertion tube assembly can be in butt joint in a relative rotation mode, and meanwhile one of the handle assembly and the insertion tube assembly is provided with a locking mechanism. The locking mechanism can lock and release the handle assembly and the insertion tube assembly, in the release state, the handle assembly can be kept immovable, and the insertion tube assembly and the sound head assembly can be conveniently rotated.

The invention discloses an image splicing implementation structure of dental CBCT. The image splicing implementation structure comprises a base, a stand column lifting mechanism, a jaw support positioning mechanism and a laser device. The stand column lifting mechanism is fixed to the base. The jaw support positioning mechanism and the laser device are both fixed on the stand column lifting mechanism; the stand column lifting mechanism comprises a base column, a sliding column, a lead screw lifting assembly and a drag chain mechanism. The sliding column sleeves the inner side of the base column and is in sliding connection with the inner side of the base column in the length direction; the lead screw lifting assembly is fixed between the sliding column and the base column and used for driving the sliding column to slide up and down on the inner side of the base column. The laser device is fixed on the sliding column; the jaw support positioning mechanism comprises a support, a longitudinal adjusting device and a jaw support positioning device; the jaw support positioning device is fixed to the support through the longitudinal adjusting device, and the longitudinal adjusting deviceis used for adjusting the height of the jaw support positioning device. The image splicing implementation structure has the advantages that the problem that a detector touches the shoulders of the patient can be avoided while a large visual field is achieved through image splicing, and the comfort level of the patient is improved.

The invention belongs to the technical field of pressure sensor fixing plates, and particularly discloses a fixing plate for cardiac post-surgery arteriovenous pressure sensors. According to the scheme, the fixing plate comprises a plate body. A plurality of pressure sensor installing grooves are formed in the bottom face of the plate body at intervals, pressure sensors are arranged inside the pressure sensor installing grooves, movable cavities are formed inside the portions, at the two sides of the pressure sensor installing grooves, of the plate body, shifting blocks are fixedly arranged atthe sides, close to each other, of two sliding blocks, the front and back ends of the sliding blocks are each provided with a spring groove, a limiting pin is fixedly arranged at the other end of each spring, a connecting rod is fixedly arranged at the bottoms of the sliding blocks, a connecting block is fixedly arranged at the lower end of the connecting rod, a clamping plate is installed on theconnecting block, and the front and back inner walls of an adjusting groove are provided with limiting grooves corresponding to the limiting pins in position. The fixing plate is novel in structure,exquisite in design, reasonable in structure, capable of rapidly clamping pressure sensors, stable in clamping and suitable for being used and popularized.

The invention discloses a dual-power conversion mechanism and a power supply power having the dual-power conversion mechanism. The dual-power conversion mechanism includes a common power switch including a first moving contact and a first static contact opposite to the first moving contact, a standby power switch includes a second moving contact and a second static contact opposite to the second moving contact, and a driving mechanism including a driving member which is connected with the first moving contact and the second moving contact and is driven to reciprocate, wherein the driving member has a power-off position capable of making the common power switch and the standby power switch achieve simultaneous power off, a first power-on position capable of making the common power switch powered on and the standby power switch powered off, and a second power-on position capable of making the standby power switch powered on and the common power switch powered off. The dual-power conversion mechanism is advantaged in that a problem of serious safety risks caused by the lack of a mechanical self-locking device between a common power and a standby power of a dual-power conversion mechanism in the prior art is solved.

Provided is an aid for preventing wound separation having an excellent effect of preventing the separation of a wound, which is an open scarring formed by injuring a body part, and being easy to use and to attach. The aid for preventing wound separation comprises: a wound separation-preventing part covering a wound and the peripheral tissues; holding parts having a function of bringing the wound separation-preventing part into close contact with the wound and the peripheral tissues and holding the same; and a shrinkage preventing part having a function of keeping the wound separation-preventing part in a state being appropriately stretched in the direction along the wound separation and thus preventing the shrinkage of the wound separation-preventing part. The aid for preventing wound separation has such a function that the distance of the shrinkage, in the direction along the wound separation, accompanying the attachment of the wound separation-preventing part becomes equal to or greater than the distance of the shrinkage, in the direction along the wound separation, accompanying the attachment of the holding parts. The aid for preventing wound separation is attached by: stretching the wound separation-preventing part in the direction along the wound separation; in the state where the distance of the shrinkage, in the direction along the wound separation, accompanying the attachment of the wound separation-preventing part becomes equal to or greater than the distance of the shrinkage, in the direction perpendicular to the direction along the wound separation, accompanying the attachment of the wound separation-preventing part, bringing the wound separation-preventing part into close contact with the wound and the peripheral tissues; thus attaching the wound separation-preventing part by fixing by the holding parts; and then removing the shrinkage preventing part.

A device for transmitting motion to a fan (1) for cooling motor vehicle coolant, comprising: a motion activation device (3, 21), on which the fan (1) is assembled via a free support (1a); a first electromagnetic clutch (30); a second clutch (60; 160; 260; 360); means (50; 150; 250; 350) for engaging/disengaging said second clutch comprising a relatively A mobile actuating element (41) movable coaxially in two directions with respect to the motion actuating device (3; 21); a connecting device (47; 147; 247c; 347), which is coaxially fixed and moves with the actuating device (3; 21 ) to rotate and be connected with the said mobile starting element (41).

The invention discloses a carrying and locating device of an LED lamp filament column. The carrying and locating device comprises a carrying mechanism and a welding and locating mechanism; the carrying mechanism comprises a carrying arm and a motor capable of driving the carrying arm to rotate; the carrying arm comprises a connecting piece and a carrying head; one end of the connecting piece is connected with the motor; the other end of the connecting piece is connected with the carrying head; a notch is formed in the carrying head; a cylindrical face is arranged on the notch wall of the notch; the cylindrical face and the LED lamp filament column have the same diameter; negative pressure through holes are formed in the cylindrical face; the negative pressure through holes communicates with an inner cavity of the carrying head, so that a negative pressure cavity is formed; the negative pressure cavity is connected with a negative pressure device; and the welding and locating mechanismcomprises two electrode columns, a carrying head locating block and a carrying head pressing block. According to the carrying and locating device of the LED lamp filament column, the LED lamp filamentcolumn can not rotate or slide relatively in the carrying process, and the LED lamp filament column can be accurately located at a welding point, so that the LED lamp filament column is welded smoothly.

The invention discloses a rotary faucet of an under-pressure operation machine. The rotary faucet comprises a fixed shell, a rotary shaft is arranged in the fixed shell, an adjusting gasket is arranged on one side in the fixed shell, the rotary shaft is movably sleeved with the adjusting gasket, and a rotary sealing piece is fixedly mounted on the rotary shaft and located on one side of the adjusting gasket. According to the rotary faucet, by arranging the adjusting gasket, the rotary sealing piece, a pressing ring, a sealing seat, a first O-shaped ring, a second O-shaped ring, a bearing and an elastic sealing ring, after the rotating shaft is inserted into the fixed shell, the adjusting gasket, the rotary sealing piece, the pressing ring, the sealing seat and the rotating shaft are all in close contact with one another, so that when the under-pressure operation machine carries out liquid circulation operation and sand washing operation, a water hose is lifted by a winch, a pump truck pumps liquid to the well bottom through the water hose, the water hose can be kept immovable, the faucet can rotate along with an oil pipe, and the actual site requirement is met.

The invention provides a device for extracting protein power from corn germ meal. The device comprises a bracket, a tank body I and a water suction pump I, wherein the tank body I is arranged at the upper part of the bracket; a controller is arranged on one side, far from the tank body I, of the bracket; a filter screen is arranged on the inner side of the bottom of the tank body I; a material inlet is formed in the top of the tank body I; a water inlet is formed in one side, far from the material inlet, of the top of the tank body I; a viewing window is formed in the upper part of the tank body I; an acidity sensor is arranged in the middle of the tank body I; a temperature sensor I is arranged between the viewing window and the acidity sensor; a temperature sensor II is arranged at the lower part of the tank body I. The device has the advantages that the amount of corn germ meal soaked for one time is large, the soaking time is short, and the acidity of soak solution is balanced, sothat protein is sufficiently extracted from corn germ meal, the production efficiency is high, and the utilization rate of raw materials is high.