7994 results about "Suction force" patented technology

A sheath is provided. The sheath includes a leading edge portion having pressure and suction sides for respective association with pressure and suction sides of an airfoil and first and second wings respectively extending from the pressure and suction sides of the leading edge portion. The first wing includes a first elongate portion and a first trailing edge disposed at an end of and thinned relative to the first elongate portion. The second wing includes a second elongate portion and a second trailing edge disposed at an end of and thinned relative to the second elongate portion.

An additive manufactured (AM) metal coupon for a turbomachine component is provided. The component includes an airfoil body having a pressure side, a suction side, a trailing edge, and a coupon opening. The AM metal coupon has an AM metal member with at least one slanted coupon side wall at an angle of less than 90° with an exterior surface of the AM metal member. The AM metal member also has a first porous region having a first porosity and a second porous region having a second porosity different than the first porosity. A braze material couples the AM metal coupon in the coupon opening in the airfoil body and infiltrates into at least one of the first porous region based at least on a characteristic of the first porosity and the second porous region based at least on a characteristic of the second porosity.

An airfoil is provided that includes a first end, a second end, a leading edge, a trailing edge, a pressure side and a suction side. The leading edge and the trailing edge are joined by the pressure side and the suction side to provide an exterior airfoil surface extending in a spanwise direction from the first end of the airfoil to the second end of the airfoil. The exterior airfoil surface are formed in conformance with a plurality of cross-section profiles of the airfoil described by a set of Cartesian coordinates set forth in Table 1. The Cartesian coordinates are provided by an axial coordinate scaled by a local axial chord, a circumferential coordinate scaled by the local axial chord, and a span location. The local axial chord corresponds to a width of the airfoil between the leading edge and the trailing edge at the span location.

The product of this design is used for sweeping, vacuuming, washing and mopping floors. The essential feature of the design is the shape of the design. The elements shown in dashed lines represent the parts of the article that do not form part of the design sought to be registered. The part sought to be registered is the human-machine interaction module located on top of the cleaning robot that provides human-machine interaction between the user and the cleaning robot. 1.1) Front view; 1.2) Rear view; 1.3) Left side view; 1.4) Right side view; 1.5) Plan view; 1.6) Bottom view; 1.7) Perspective view

The invention relates to the technical field of grabbing manipulators, and discloses a self-adaptive grabbing device for a special-shaped curved surface workpiece, which comprises a central bearing base made of a light metal material and provided with a multifunctional quick connector at the top; the central adsorption module is fixed at the central position of the bottom of the central bearing base and comprises an air pressure balance pipeline communicated with an external air source; by means of radial adjustment of the cross shaft and cooperation of the elastic buffering structure and the vertical guiding assembly, high-precision centering and stable adsorption are achieved, vertical contact of the suction cup is ensured through vertical guiding, the suction cup is suitable for different curved surface radians, and the stable adsorption force under the small area is kept; and electric control connection supports installation, namely electrification, and is suitable for automatic precise grabbing.

The invention relates to an injection device (100) with needle for injecting a product, in particular a cosmetic product, the device comprising: a suction chamber (1), a support surface (4) inside the chamber (1) at a position set back from the opening (2), and a suction source, the support surface (4) comprising at least one microneedle (6) for carrying out the injection, the suction opening (2) is closed by an intermediate component (7), defining a contact surface with the target area (3), and having at least one orifice (8) designed to be passed through by the microneedle (6), when the target area (3) is suctioned towards the chamber (1).

The invention discloses an insertion part, an endoscope and a negative pressure suction assembly, and relates to the technical field of medical instruments, the insertion part comprises a first section and a second section, the first section is provided with a front end assembly, and the first section is further provided with a first channel. The insertion part can be inserted into the sheath tube, and a fluid cavity channel is formed between the sheath tube and the insertion part. The blocking area of the first section can be matched with the inner wall of the sheathing canal so as to block a fluid cavity channel between the sheathing canal and the insertion part. Negative pressure suction force is formed in the fluid cavity channel through an external suction device and the like. As the blocking area blocks the fluid cavity channel, the negative pressure suction force can be transmitted to the first opening or the second opening and then extends to the position near the far end of the insertion part through the first channel. Negative pressure suction force in the sheath tube can be transmitted to the distal end of the negative pressure suction fitting to extend the suction range of the introducer sheath to the distal end of the insertion portion. Therefore, stone fragments in the deep position of the affected part can be sucked out, stone fragment residues are avoided, and the using effect is improved.

The invention discloses an industrial part carrying control method and system based on dynamic path planning, and relates to the technical field of industrial equipment control, and the technical scheme is characterized in that an initial path satisfying suction constraint and joint torque limitation is generated by using a path planning algorithm and quadratic programming; the method comprises the following steps: acquiring three-dimensional coordinates of an obstacle, a part inclination angle and joint torque data in real time through a fusion sensor to perform local deformation adjustment on a path, constructing a multi-objective optimization function, and dynamically balancing an obstacle avoidance distance to obtain an optimal carrying path on the premise of ensuring a certain coincidence degree with an initial path; feedforward torque compensation is carried out according to the optimal carrying path, and compliant adjustment of the contact force is achieved in combination with impedance control. According to the technical system, the path re-planning efficiency of the system in a dynamic environment is improved, the joint torque fluctuation is reduced, and the part damage rate is reduced.

The invention relates to the technical field of electric power construction, in particular to an auxiliary welding mechanism for electric power construction, which comprises a worktable, a mounting frame is mounted at the top end of the worktable, an air cylinder A is mounted at the top end of the mounting frame, a welding head is mounted at the output end of the air cylinder A, and a shell is arranged at the top end of the worktable. Negative pressure is generated through the suction pump, the smoke dust is efficiently collected into the collecting box through the air suction head, purified air forms an air curtain, diffusion of the smoke dust and welding slag is blocked, air is purified, a welding area is isolated, the suction force of the suction pump can further be used for driving the vibration mechanism, and therefore the smoke dust can be effectively collected. In addition, heat conduction of the welding head enables gas of the gas storage pipe to expand, suction force of the gas suction pipe and frequency of the vibration rod are automatically adjusted, welding quality and efficiency are improved, and frequent manual parameter adjustment is not needed.

A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in fluid communication with the first cannula, such that a distal end of the second cannula is situated in spaced relation to the distal end of the first cannula. A suction force is provided through the distal end of the first cannula so as to capture the vegetative growth. Fluid removed by the suction force is reinfused through the distal end of the second cannula. Subsequent to becoming dislodged, the vegetative growth is captured by the first cannula. A method for capturing a vegetative growth during removal of a pacemaker lead is also provided.

The invention provides a magnetic polishing device for hardware parts, and belongs to the technical field of magnetic polishing equipment.The magnetic polishing device comprises a machine table, a polishing barrel and a permanent magnet disc, the polishing barrel is arranged to be a circular-tube-shaped shell with openings in the two ends, and a top cover capable of being opened and closed is arranged at the top opening end of the polishing barrel; the top cover is provided with a plurality of electromagnets which are distributed in the circumferential direction and can apply longitudinal magnetic attraction force to the horizontally-rotating magnetic needle, so that the horizontally-rotating magnetic needle flow generates longitudinal fluctuation; the top cover capable of being opened and closed is arranged above the polishing barrel, the electromagnet is arranged on the top cover, in the polishing process, the electromagnet is started, the magnetic field generated by the electromagnet is utilized, longitudinal magnetic attraction force is applied to the horizontally-rotating magnetic needle, and the horizontally-rotating magnetic needle flow can generate longitudinal fluctuation; and the magnetic needles flowing in the polishing barrel have multiple flowing directions, so that the parts can be rubbed in multiple directions, and the polishing efficiency is improved.

The present application belongs to the technical field of sweeping robots, and in particular, relates to a sweeping robot. A sweeping robot comprises: a robot body, on which a mounting groove is provided; a dust box, which is provided in the mounting groove and is used to store the inhaled dust; a filter, which is provided in the box body and is used to filter the dust; wherein the filter is detachably provided in the dust box. The beneficial effect of the present application is that during the cleaning process, the sweeping robot sucks the dust on the ground into the dust box through suction, thereby keeping the ground clean. The filter is provided inside the dust box to filter the dust particles in the inhaled air. The filter is detachable, which is convenient for the user to use and maintain. When the filter needs to be cleaned or replaced because of excessive dust accumulation, the user can easily take it out of the dust box for cleaning or replacement, which not only simplifies the maintenance steps, but also improves the user's experience.

A numerical-control intelligent air-suction seed metering device, comprising a front shell 1, a rear shell 2, a seed metering disc 3, a built-in fan, a direct drive motor, and an individual seed metering unit intelligent controller 180, wherein a seed inlet 11, a seed outlet 12, and air inlets 13 are formed in the front shell, and the built-in fan is provided on the rear shell; seed suctioning holes 31 are formed in the seed metering disc, a seed filling chamber 7 is formed between the seed metering disc and the front shell, and a negative pressure chamber 8 is formed between the seed metering disc and the built-in fan; the seed metering disc is connected to a drive idler wheel 6; the direct drive motor comprises a stator core 5 and a plurality of magnetic steels 61, the stator core is fixed on the outer wall surface of a fixed drum, and the plurality of magnetic steels are fixed onto the drive idler wheel. In the technical solution, a built-in motor is used to directly drive the seed metering device, so that the seed metering device operates more stably and precisely; the speed of the built-in fan can be adjusted in real time by means of the individual seed metering unit intelligent controller on the basis of seeding requirements and crop types, so as to achieve a negative pressure suction force most suitable for the seed metering device, implement adjustment of the precision seeding rate of an individual seed metering device, and achieve the purpose of improving seeding precision.

The invention relates to the technical field of crushers, and discloses a crusher for bulk materials after sodium sulfide calcination and a crushing process thereof.The crusher mainly comprises a dust removal mechanism, the dust removal mechanism is fixedly arranged on the right side of the bottom end of a working shell and used for cleaning dust in the working shell, and the dust removal mechanism comprises a dust storage box; a moving assembly is arranged in the dust storage box and used for cleaning the first filter screen and the second filter screen. When the moving assembly works, the moving piston drives the moving shaft to work, so that the moving part moves in the dust storage box, the second filter screen is effectively rubbed, the first filter screen is impacted, dust on the first filter screen and the second filter screen is fully cleaned, and the dust removal mechanism is effectively and timely self-cleaned; and resistance increase and suction reduction caused by dust accumulation are prevented, so that the dust removal efficiency is improved, the working shell does not need to be shut down to treat dust, and the working efficiency is improved.

A method of repairing a pipe includes providing a pipe repair device, the pipe repair device comprising a spring and a gasket, the gasket defining a gasket top end, a gasket bottom end, and a gasket outer surface, wherein the gasket outer surface defines a plurality of raised ridges and recessed dimples; biasing the pipe repair device to an expanded configuration with the spring inside of the pipe; engaging the raised ridges of the gasket outer surface with an inner wall of the pipe; and creating a suction force between each of the recessed dimples and the inner wall of the pipe to retain the pipe repair device against the inner wall.

The invention discloses a core shooter with a quick mold changing structure and a matched core box, and relates to the technical field of mold manufacturing. A core shooter movable plate is provided with a seam allowance groove and an electromagnetic coil, a core box upper mold is provided with a seam allowance boss with a permanent magnet, and three-stage magnetic coupling control is achieved through a control system, specifically, during mold closing, homopolar repulsive force guiding is conducted to avoid collision, during positioning, heteropolar attraction force locking is conducted, and during mold changing, homopolar repulsive force pushing separation is conducted. And three-dimensional accurate positioning and mechanical redundancy locking are formed by a clamping jaw clamping mechanism driven by a double-acting oil cylinder under the assistance of taper fit of right-angle limiting grooves in the four corners of the supporting plate and positioning blocks of the fixing plate. Through magnetic coupling automatic guiding and mechanical cooperative clamping, the mold changing time is shortened to be within 2 minutes from 30-40 minutes, single-person operation is achieved, the positioning precision and the vibration resistance are improved, the labor intensity is remarkably reduced, and the mold changing device is suitable for efficient and continuous production in the casting industry.

The invention discloses stamping and shaping equipment for mobile phone hardware machining, and relates to the technical field of hardware stamping, the stamping and shaping equipment comprises stamping equipment, a stamping module is mounted on the surface of the stamping equipment, a stamping table is mounted below the stamping module, and a pneumatic locking assembly is arranged in the stamping table; the pneumatic locking assembly comprises an adsorption barrel, a main conveying pipe and a branch pipe, when the stamping module moves downwards, the main conveying pipe and the branch pipe are both in an open state, stamping parts are locked through suction force generated in the adsorption barrel, and the pneumatic locking device is particularly suitable for thin stamping parts such as mobile phone hardware back plates. It is ensured that stable locking is achieved before stamping force is applied, machining errors caused by small displacement of a stamping part in the initial stage of stamping are reduced, the precision of key sizes such as hole positions and radian is improved, slippage caused by insufficient locking force during stamping or stamping part damage caused by too large locking force is avoided, and a stable foundation is provided for subsequent precise stamping.

The invention discloses an intelligent cleaning robot dynamic negative pressure dust removal system based on pressure feedback. The intelligent cleaning robot dynamic negative pressure dust removal system comprises a centrifugal fan, a pressure sensor array and a control system. The centrifugal fan adopts a variable frequency speed regulation technology, so that the suction force of 500-3000Pa is dynamically adjustable; an array composed of six sets of miniature pressure sensors is arranged at a dust collection opening, and the airflow pressure difference between the air inlet end and the air outlet end is monitored in real time. The control system is integrated with a blockage self-detection algorithm, when the pressure difference exceeds a preset threshold value 0.5 kPa, a compressed air pulse back flushing program lasting for 0.2 second is triggered, and meanwhile the fan power is adjusted in a self-adaptive mode till blockage is removed. The system solves the problem that the efficiency is suddenly reduced after a traditional dust collector is blocked through a pressure feedback mechanism and an intelligent control strategy, and self-maintenance of the dust collection efficiency is achieved. Experiments show that in dust-intensive scenes such as station waiting halls, the dust removal efficiency is improved by 35% compared with that of a traditional system. The intelligent cleaning robot has the functions of real-time pressure monitoring, dynamic negative pressure adjustment and blockage self-repairing, the working efficiency and reliability of the cleaning robot in the complex environment are remarkably improved, and the intelligent cleaning robot is suitable for being used as intelligent cleaning equipment in families, public places and the industrial field.

The invention relates to an automatic pole piece waste collecting method for an automatic lithium battery winding machine in the technical field of information, which comprises the following steps of: arranging a vacuum suction nozzle array below a cutting device, connecting the vacuum suction nozzle array to a central vacuum pump, setting proper vacuum degree and suction time according to material characteristics and sizes of cut waste, and collecting the cut waste by a vacuum pump; the cut waste is automatically sucked and conveyed by controlling starting and stopping of the vacuum pump and the suction force. A flow sensor is installed in a vacuum suction pipeline, the speed and pressure of sucked airflow are monitored in real time, whether the suction process is normal or not is judged according to a preset flow curve, and if the abnormal condition of insufficient suction or airflow turbulence occurs, parameters of a vacuum pump are adjusted in time; the method comprises the steps of collecting and analyzing images of sucked waste materials, recognizing and classifying material types and shape features of the waste materials by adopting a convolutional neural network algorithm, and estimating the quantity and weight of the waste materials in combination with suction time and vacuum degree data so as to provide a basis for subsequent waste material recovery and treatment.

The embodiment of the invention relates to the field of motors, and provides a motor, a camera module and electronic equipment. The motor comprises a lens carrier, a frame, a magnetic attraction mechanism and two sliding rail mechanisms, and the two sliding rail mechanisms are diagonally arranged between the frame and the lens carrier on a plane perpendicular to the optical axis direction of the lens and used for providing a sliding supporting face for movement of the lens carrier in the optical axis direction so as to reduce friction force. The magnetic attraction force generated by the magnetic attraction mechanism is used for making the lens carrier abut against the sliding rail mechanism. The two slide rail mechanisms are arranged diagonally and are uniform in structure distribution, so that the stress of the lens carrier is uniform, the stability of the structure is facilitated, the requirement of the motor for magnetic attraction force is reduced, the requirement of automatic focusing for driving force is reduced, the power consumption and the cost are reduced, the miniaturization design of the motor is facilitated, and the service life of the motor is prolonged. And the design difficulty is integrally simplified.

The invention relates to the technical field of turbine blade structures, and discloses a large-expansion-ratio centripetal turbine blade and a turbine engine with the large-expansion-ratio centripetal turbine blade. The large-expansion-ratio centripetal turbine blade comprises a movable blade body, a damping groove is formed in the blade top of the movable blade body, the damping groove is formed in the extending direction of the blade top, a damping block is arranged in the damping groove, a bottom gap is reserved between the damping block and the bottom of the damping groove, and the bottom gap is formed between the damping block and the bottom of the damping groove. A pressure side gap and a suction side gap are formed in the two sides, perpendicular to the extending direction of the damping groove, of the damping block. A blade top gap is suitable for being reserved between the blade top of the movable blade body and an installation casing, and the blade top gap is communicated with the blade tip of the movable blade body. After blade top clearance flow enters the damping groove, the damping block can guide the flow direction of clearance secondary flow and prevent the clearance secondary flow from being rolled up in the damping groove to form a vortex structure, flow loss is reduced, the hindering effect of the clearance secondary flow on the clearance flow can be enhanced, and therefore the leakage flow is reduced.

An end effector for a picking robot, and a method of use, the end effector comprising: a body; a shaft slidably coupled to the body and extending along a longitudinal axis between a proximal end and a distal end, the shaft having a vacuum lumen extending therethrough along the longitudinal axis; a suction cup coupled to the distal end of the shaft such that an interior volume of the suction cup is in fluid communication with the vacuum lumen; a vacuum generator connected to the vacuum lumen at the proximal end of the shaft and configured to create suction therethrough; and a linear actuator configured to slide the shaft along the longitudinal axis between an extended position in which the suction cup is relatively farther from the body and a retracted position in which the suction cup is relatively closer to the body.

A stator vane includes a platform that defines an opening. The stator vane further includes an airfoil that has a leading edge, a trailing edge, a suction side wall, and a pressure side wall. The airfoil extends radially between a base and a tip. At least one of the base or the tip includes a protrusion. The protrusion extends into the opening of the platform such that the platform surrounds the protrusion of the airfoil. The stator vane further includes a braze joint disposed between and fixedly coupling the platform and the protrusion of the airfoil. The stator vane further includes a cooling circuit defined in at least one of the protrusion or the platform to cool the braze joint.

The embodiment of the utility model provides a handheld breast pump, and relates to the field of pregnant and baby products. The handheld breast pump comprises a flexible tee joint, a rear cover, a negative pressure source and a milk storage container. Wherein the flexible tee joint comprises a breast cover, a suction bowl and a guide cylinder, the suction bowl is connected to the breast cover, a front cavity is formed between the suction bowl and the breast, a rear cavity is formed between the suction bowl and the rear cover, the negative pressure source is communicated with the rear cavity through the rear cover, and the front cavity, the guide cylinder and the milk storage container are sequentially communicated from top to bottom; the breast cover, the suction bowl and the guide cylinder are integrally formed; the negative pressure source is used for driving the suction bowl to deform, so that the front cavity generates negative pressure to suck out the emulsion, and the emulsion moves towards the milk storage container under the action of gravity. According to the handheld breast pump, the breast cover, the suction bowl and the guide cylinder can be integrally formed into the flexible tee joint, the number of parts is reduced through structural optimization, and on the premise of facilitating breast pumping operation, disassembly is convenient, so that the convenience of cleaning operation is improved.

The present disclosure relates to the technical field of water body cleaning, and provides a swimming pool cleaning apparatus. At least one water inlet is provided on a machine body thereof, and the water inlet is in fluid communication with a filtering mechanism; a fluid pumping mechanism provides a suction force that allows a water flow to pass through the filtering mechanism after entering from the water inlet and then flow out of the machine body from a water spraying mechanism; the water inlet comprises a first water inlet and a second water inlet which are provided at the bottom and a side face of the machine body; when the apparatus is in a first cleaning state, the water flow is sucked from the first water inlet to the filtering mechanism; and when the apparatus is in a second cleaning state, the water flow is sucked from the second water inlet to the filtering mechanism and is sprayed out from the water spraying mechanism in a first direction and a second direction after passing through the filtering mechanism, the first direction and the second direction being respectively at an angle to and approximately parallel to the direction of travel of the swimming pool cleaning apparatus. The present disclosure pumps the water flow through the water inlets at different positions to perform filtration and discharges same, so as to generate an auxiliary force for the apparatus to clean at different positions, thereby not only optimizing a waterway structure of the apparatus, but also improving the movement performance of the apparatus.

The invention discloses an automatic stacking system based on visual identification, and relates to the technical field of stacking devices.The automatic stacking system comprises a visual robot, a grabbing frame and a hanging rod, the grabbing frame comprises a rotating disc connected with the output end of the visual robot, a hanging frame is installed at the lower end of the rotating disc, an air cylinder is installed in the center of the hanging frame, and a suction cup is installed at the lower end of the air cylinder; moving mechanisms distributed in a crossed mode are installed on the hanging frame, first flat plates are installed on the two moving mechanisms on the same straight line respectively, first sliding ways are installed on the first flat plates, second flat plates are installed on the other two moving mechanisms on the same straight line respectively, second sliding ways are installed on the second flat plates, and the hanging rod is installed at the stacking position of the first sliding ways and the second sliding ways in a penetrating mode. And two ends of the right-angle rod are respectively provided with a side clamping strip. Therefore, the side collapse of the soft container caused by the pulling force of the suction cup is avoided, the posture of the container is more stable in the lifting process, and the uniformity of stacking gaps is further improved.

A suction mount includes a magnetic assembly, a main body, and a suction cup. The magnetic assembly includes a magnet and is configured to magnetically fix a cellphone through the magnet. The main body is rotatably connected to the magnetic assembly. A universal ball head is provided between the main body and the magnetic assembly. The universal ball head is connected to the main body and the magnetic assembly, respectively. At least one of the main body and the magnetic assembly is rotatable relative to the universal ball head, such that the magnetic assembly rotates in any direction relative to the main body. The suction cup is located at a side of the main body facing away from the magnetic assembly. The suction cup is attached to an external support plane to form a closed chamber, and the suction cup is automatically adhered to the external support plane.

A pet toy and method for occupying a pet. In one embodiment, the pet toy comprises a cylindrical main body member including a top end having a top wall, a bottom end opposite the top end that is open, and an annular side wall between the top end and the bottom end. The pet toy further comprises a core member configured to insert into the bottom end of the cylindrical main body member, and having a treat container configured to contain a pet treat. The top wall of the cylindrical main body member includes a treat access hole facing toward the treat container when the core member is inserted into the cylindrical main body member, and further includes one or more vents that serve multiple functions including relieving suction forces during use and redirecting saliva into the pet toy to prevent unwanted mess.

The utility model provides a blade for a centrifugal fan, a double-suction centrifugal impeller applying the blade and the fan. The blade comprises a suction surface wall, a pressure surface wall, a front edge, a rear edge, a convex air inlet part and a concave air outlet part, the suction surface wall and the pressure surface wall are arranged back to back and extend in the length direction of the blade firstly and then extend between the front edge and the rear edge; the protruding air inlet part is formed in the mode that the front edge part of the blade protrudes towards one side of the suction surface wall, the concave air outlet part is formed in the mode that the rear edge part of the blade protrudes towards one side of the pressure surface wall, and the protruding air inlet part and the concave air outlet part are connected in the direction from the front edge to the rear edge. In the length direction of the blade, the convex air inlet part is of a structure with high middle and two low sides, and the concave air outlet part is of a structure with low middle and two high sides; in the direction from the front edge to the rear edge, the middle height of the convex air inlet part is in a decreasing trend; and in the direction from the rear edge to the front edge, the middle height of the sunken air outlet part is in a decreasing trend.

The invention relates to a gravity and suction combined type anchoring foundation, an installation method and an installation evaluation method.The combined anchoring foundation comprises a gravity anchor assembly and a suction anchor assembly; the gravity anchor assembly is used for being connected with an upper draught fan and providing a stable gravity foundation for the draught fan. The top of the suction anchor assembly is fixed to the bottom of the gravity anchor assembly, and the suction anchor assembly is used for penetrating into a seabed with the target depth. According to the anchoring foundation, the gravity anchor assembly is connected to the suction anchor assembly, and the load bearing capacity of the anchoring foundation in the vertical direction and the horizontal direction is improved.