331results about How to "Prevent decoupling" patented technology

A non-contact magnetic drive assembly with mechanical stop elements for a vacuum deposition system employing a lift-off process having a HULA configuration featuring a plurality of magnets coupled in an annular orientation to a central ring and an orbital ring, each magnet of the orbital ring becomes superposed with a magnet of the central ring as the orbital ring rotates, and a central drive component driving either the central ring, the orbital ring around the central ring or both simultaneously, the central drive component provides a rotational speed allowing non-contact, magnetic drive rotation of the orbital ring around the central ring until a difference between a magnetic drive torque of the superposed magnets and the rotational speed of the central drive component causes the superposed magnets to decouple enabling mechanical drive rotation by interactive contact between a plurality of central ring teeth and a plurality of orbital ring.

A display apparatus where external force concentrated on a chassis base via a boss is inhibited, and any stress applied to the boss is diffused. The display apparatus includes a display panel, a chassis base supporting the display panel, main brackets coupled to the chassis base opposite to the display panel to hold bosses, and sub-brackets provided at the chassis base adjacent to the main brackets. The boss held to the main bracket is inserted through the sub-bracket, and is supported thereby.

The invention relates to a visual detecting method based on decoupling detection for circular seams. The method is used for detecting, recognizing and welding the welding seams of circular welding pieces with V-shaped grooves. The method is characterized by comprising the following steps: first, processing pictures and extracting features; and second, decoupling image information. For the method, according to the three-dimensional welding seam feature information extracted by decoupling single frame images, the deviation value of a welding gun in a two-dimensional plane relative to the welding seam center can be calculated, the accurate positioning of welding spots in three-dimensional space can be realized, the decoupling algorithm is performed by monocular vision when the two-dimensional welding seam information is obtained, the tedious matrix transformation when the welding seam information is demarcated is avoided, the demarcating and calculating time is greatly saved, and the real-time performance of a system is obviously improved. On one hand, building a complex imaging model of a camera is avoided, and on the other hand, the demarcating precision, the robustness and the applicability of the camera are improved.

The invention discloses a crane automatic locking hook. The hook comprises a suspension ring, an automatic locking device, a micro motor, an arc lock pin, and a hook body; the top of the automatic locking device is connected to the suspension ring; the bottom of the automatic locking device is connected to the hook body; the tail part of the hook body is provided with a hook tip; a pressure sensor is arranged in the bottom of the side face of the hook body, and is connected to a micro controller in a wireless mode; the micro controller is arranged in the automatic locking device and is provided with an arc sliding chute; the end part of the arc sliding chute is communicated with a locking chute hole, the arc lock pin is arranged in the arc sliding chute, the end part of the arc lock pin is provided with a limit stop, the tail end of the limit stop is connected to a reset spring, the upper end face of the arc lock pin is provided with a rack, and the micro motor is arranged on the arc sliding chute that is closed to the locking chute hole end. The crane automatic locking hook has the advantages that the arc lock pin can be automatically locked, the automation degree is high, the locking is firm, the effect of unhooking is good, and the safety and stability of hook application are enhanced.

The invention relates to a low and slow small target tracking method based on a polar coordinate system. The technical feature is that the method comprises the following steps: step 1. establishing atemporary track by using measurement points scanned by a radar for the first time as track heads respectively; step 2. after the radar scans the measurement point for the second time, determining a relevant wave gate by using speed limit; step 3. after the radar scans the measurement point for the third time, for the temporary track with a trace point number of 2, determining the relevant wave gate through Kalman filtering of the polar coordinate system; step 4. moving the track with a trace point number of 3 in a temporary track set into a reliable track set; step 5. after the radar scans a new measurement point, firstly performing association updating with the reliable track set, and if non-associated measurement points still exist, performing association updating with the temporary track set; and step 6. traversing all tracks, if a certain track is not updated exceeding a certain time, performing track is extinction or extrapolation. By adoption of the low and slow small target tracking method provided by the invention, a decoupling problem and a conversion error are avoided, and meanwhile the calculated amount is reduced.

A hand-held power tool includes a spring-mounted decoupling device (16) for supporting a tool handle (14) on the tool housing (4) and having a first spring-mounted support (18) and a second spring-mounted support (20) that is spaced from the operational axis (A) in a second direction (y) perpendicular to the first direction (z) further away than the first spring-mounted support (18) that has a smaller spring stiffness along the second direction (y) than along the first direction (z).

A utility cutter includes a housing, a blade and blade shuttle, a blade trigger, and a trigger lock. The blade and blade shuttle are enclosed within the housing in a retracted position. The blade is extended from the housing in an extended position. The blade trigger includes a cavity and is coupled to the housing. The blade shuttle is conveyed from the retracted position to the extended position when the blade trigger pivots from a rest position to an engaged position. The trigger lock includes a projection and is accessible at the exterior of the housing through the blade trigger. The trigger lock is coupled to the blade trigger and the projection is in contact with the stop pin when the blade shuttle is in the retracted position. The blade trigger is pivotable from the rest position to the engaged position when the projection is released from the stop pin.

An anti-rotation system for use in retaining a threaded connection between a pin and a box. The anti-rotation system includes a key that sets in a recess formed in one of the box or pin. The key is selectively in contact with one of the other of the box or pin, and is activated when the threaded connection begins to decouple. The key is profiled and operates in a cam like fashion to wedge itself between the box and pin when these members begin to decouple and prevents further relative rotation.

The invention relates to a method for calculating three-phase tide of a power distribution network on the basis of neutral point offset. The method includes steps of acquiring medium-voltage power distribution network topology, numbering various nodes and various branches on a calculation feeder line; introducing neutral point voltage offset of each node; rectifying calculated phase voltage values of all the nodes by the neutral point offset; calculating load current value of the nodes by adopting the rectified calculated phase voltage values; calculating three-phase branch current of each branch and three-phase voltage value of each node by forward-back substitution method; iterating by the Newton-Raphson method, and rectifying the neutral point voltage offset; dissolving the three-phase voltage by means of hybrid iteration; judging whether the three-phase voltage value in the step G meets iteration terminating condition or not; and calculating three-phase tide distribution and outputting result. Restraint relation among three-phase current is processed by introducing the neutral point offset, and the problem about calculation of the three-phase tide of the power distribution network is effectively solved by means of advantages of mixed iteration method combined the forward-back substitution with the Newton-Raphson method.

A biocompatible medical device having a segmented element including a first segment having a first shaped interface and a second segment having a second shaped interface configured to operably couple the first shaped interface. When the first shaped interface is engaging the second shaped interface to form a joined segmented element, the first segment and the second segment cannot be decoupled by movement along an axis through the element. The medical device further includes a locking element configured to engage the joined segmented element with a sliding motion to prevent decoupling of the first segment with respect to the second segment by preventing significant relative movement of the segments with a component of the movement perpendicular to the axis.

A manhole cover assembly configured to behave as a relief valve in an explosion event, opening so that fluid, such as air or explosive gas, may vent from an underground area. The manhole cover assembly may include a manhole cover and a frame, and may be configured to limit movement of the manhole cover with respect to the frame in response to increased pressure on the manhole cover. In one embodiment, the manhole cover may include legs having angled surfaces adapted to substantially center or guide the manhole cover in the frame while the manhole cover displaces to release pressure. In another embodiment, one or more legs slidable within the manhole cover to enable configuring the manhole cover between a restraint mode and a removal mode.

A vibration absorbing clamp for holding elongated members has an anchor and a holder that are coupled to one another through vibration absorbing material and cooperable coupling members embedded in the vibration absorbing material. The coupling members are free of direct contact with one another but serve to limit relative movement between the holder and the anchor. The clamp can be manufactured in a two-stage molding process in which the holder and the anchor, with the coupling members, are first molded of hard plastic, and then the vibration absorbing material is molded into a space between the holder and the anchor so as to embed the coupling members.

Generally, a sterile adapter for use in robotic surgery may include a frame configured to be interposed between a tool driver and a surgical tool, a plate assembly coupled to the frame, and at least one rotatable coupler supported by the plate assembly and configured to communicate torque from an output drive of the tool driver to an input drive of the surgical tool.

A transmission system of a hybrid electric vehicle may include first and second motor / generators, a planetary gear set, first and second output gears, a brake, a rotation restricting member on an axis of an input shaft receiving torque of an engine in a transmission housing and a hollow shaft disposed at a radial exterior of the input shaft and adapted to transmit the torque of the engine or torque of the first motor / generator to the second output gear, an outer shaft disposed at a radial exterior of the hollow shaft and adapted to transmit torque of the second motor / generator to the first output gear, and a rear cover coupled to a rear end portion of the transmission housing.

This invention provides a connector for coupling a male and a female component, the connector including a member for locating the female component with respect to the male component and a locking member for coupling the female component to the male component. The locking member rotates with respect to the locating member in order to provide for the coupling and uncoupling of the components.

The invention relates to a sliding door system, and provides a sound-proof pulley sliding door system which eliminates noises produced during the opening and closing of a pulley sliding door. The invention adopts the technical scheme: a fixed door and a sliding door are arranged, a sound-proof buffering pulley system is arranged at the top of the sliding door, a bottom guide pulley block is arranged at the bottom of the sliding door, sound-proof seal strips are arranged on two sides of the sliding door, and a sound-proof hook lock is arranged at a locking end of the sliding door. Through the replacement of a guide rail on the ground by the bottom guide pulley block, the bottom of the sliding door is made simpler and more artistic, and a better sound-proof effect is achieved; the sound-proof seal strips not only achieve the sound-proof effect when the sliding door is closed, but also buffer the impact between the sliding door and a door frame, thereby strengthening the sound-proof effect of the sound-proof pulley sliding door system; the sound-proof hook lock arranged at the locking end of the sliding door not only reduces noises produced when the sliding door is locked, but also facilitates the operation of the sliding door; a damp buffer achieves the buffer function when the sliding door is opened and closed, thereby eliminating noises produced from impact between the sliding door and the door frame when the sliding door is opened and closed.

A pipe coupling device is provided. The pipe coupling device includes a body part, fastening parts, and pressurizing parts. The body part has a multi-stepped insertion hole penetrating the central portion thereof, a stepped latching portion formed on the inner circumference of the insertion hole to limit the insertion depths of pipes, externally threaded portions formed on the outer circumference of both ends thereof, and first projections continuously formed on the upper surfaces of the externally threaded portions. Each of the fastening parts has an internally threaded portion formed on the inner circumference thereof and is screwed onto the externally threaded portion, a coupling hole penetrating the central portion thereof so as to be in communication with the insertion hole, a first inclined plane formed around the boundary between the internally threaded portion and the insertion hole, and second projections continuously formed on the lower surface of the first inclined plane to pressurize the first projections and to be engaged with the first projections when the fastening part is fastened to the body part. Each of the pressurizing parts has a stepped foot portion formed on the outer circumference of one side thereof so as to be introduced into the coupling hole, a pressurizing piece integrated with the stepped foot portion, a stepped latching portion formed on the outer circumference of the other side thereof, cut-away grooves formed on the outer circumferential surface of the pressurizing piece to elastically widen the pressurizing piece, and a pressurizing space formed in the central portion thereof. The first inclined plane of the fastening part fastened to the body part pressurizes the outer circumferential surface of the stepped latching portion, or the outer circumference of the stepped latching portion is moved inward along the first inclined plane and the pressurizing piece shrinks inward to pressurize the outer circumference of the pipe inserted into the pressurizing space when the pipe inserted into the pressurizing space is withdrawn.

A manhole cover assembly configured to behave as a relief valve in an explosion event, opening so that fluid, such as air or explosive gas, may vent from an underground area. The manhole cover assembly may include a manhole cover and a frame, and may be configured to limit movement of the manhole cover with respect to the frame in response to increased pressure on the manhole cover. In one embodiment, the manhole cover may include legs having angled surfaces adapted to substantially center or guide the manhole cover in the frame while the manhole cover displaces to release pressure. In another embodiment, one or more legs may be at least one of pivotable with respect to the manhole cover and slidable within the manhole cover to enable configuring the manhole cover between a restraint mode and a removal mode.

The invention discloses a material delivery nacelle with parachutes, which comprises a hood (1), a cargo hold (2) and a parachute bay (3), wherein the front end of the cargo hold (2) is connected withthe hood (1), and the rear end of the cargo hold (2) is connected with the parachute bay (3); The parachutes (10) are arranged in the parachute bay (3). The parachute bay for parachutes is arranged on the material delivery nacelle, the parachutes are arranged in the parachute bay, the airdropping of the cargo is achieved without manual operation of the parachutes, and the airdropping efficiency is effectively improved.

The invention provides a slab seal dummy ingot method for preventing break-out of steel, sequentially comprising the following steps of: (1) plugging a gap between a dummy bar head and a crystallizer with a paper string; (2) evenly paving a layer of pins at the bottom of a dovetail groove of the dummy bar head and the surface of the dummy bar head; (3) evenly paving a layer of springs at the bottom of the dovetail groove, vertically placing a layer of springs until the bottom of the dovetail groove is filled flatly; and (4) regularly placing springs on the surface of the dummy bar head until the surface of the dummy bar head is filled, wherein the spring is made of QB steel, the ratio of the wire diameter to the pitch is 1:2 and the size of the spring is designed according to the size of the dovetail groove. The invention has the advantages that molten steel is evenly cooled in the dovetail groove, has good capping function and can remove the dummy ingot successfully to avoid conglutination, and the spring improves the surface tension of the molten steel to further reduce the break-out of steel and has remarkable effect.