713results about How to "Avoid intertwining" patented technology

The invention discloses a heat-conductive silicone grease composition being high in heat conductivity and low in viscosity and freeness degree, and a preparation method of the silicone grease composition. The heat-conductive silicone grease composition includes organo-polysiloxane, heat conductive filler and other additives. By selecting the heat conductive fillers in multiple dimensions (one-dimension, two-dimension and three-dimension) and multiple scales (micron, submicron and nanometer) and in special ranges, synergistic effect among the multi-dimension and multi-scale fillers is achieved,thus achieving compact stack of the fillers in a local network structure. The heat-conductive silicone grease not only is improved in heat-conductivity but also has good flowability, low viscosity and low freeness degree.

The invention discloses an underwater cable folding and unfolding device, it consists of cable, unfolding equipment and folding equipment, among them the unfolding equipment and folding equipment compose the main body of the invention; one end of cable is twined in the folding equipment interior after passing through the unfolding equipment. The invention can ensure cable is arranged in the cable storing space ordered, uniformly and densely in underwater environment, and avoid cable twined each other due to the attack of water flow in the folding and unfolding course, and also can reduce cable stretching force changing and release the attack to folding and unfolding device from cable.

The invention discloses an anti-twisting type sectional warping machine. The anti-twisting type sectional warping machine comprises a bobbin creel, a yarn fixing rack, a yarn distributing device and a drum, wherein the bobbin creel comprises a rack, yarn guiders, a flexible cover and yarn cone shafts; yarn cones are placed on the yarn cone shafts; the yarn cone shafts are fixed on the rack; each yarn cone shaft is provided with the corresponding yarn guider; and the flexible cover is fixed on the rack and covers the yarn cones. The anti-twisting type sectional warping machine is simple in structure; the circumstance that warp yarns are twisted together and are knotted in a warping process is avoided effectively; and the warping efficiency is improved.

The present invention relates to a rotary type diffusion fluorescence tomography system. Said system includes the following several portions: semiconductor laser, computer, rotary working table, stepping motor and CCD camera. Said invention also provides its working principle and concrete operation method.

A circular channel for spinning polyurethane fibers is composed of cylindrical channel, spinneret plate module, annular air blower, annular air inlet flow-regulator, annular air-returning flow-regulator, hot airflow inlet and hot airflow outlet. Its advantages are high airflow stability, distribution uniformity and spinning quality.

A return spring adjustment apparatus and method of a wave power system. The apparatus comprises return springs (5, 9), a stepper motor (6), transducers (7, 10, 27, 29), a single chip microcomputer control module (8) and a power source. The two ends of the return springs (5, 9), a chassis (12) of the stepper motor, a rotor (11), the two ends of the transducers (7, 10, 27, 29) can all be randomly arranged in series, and connected with a spindle (4) and a frame (22). When a single chip microcomputer detects that the transducers (7, 10, 27, 29) measure that the pulling force is too large or too small, it sends an instruction to the stepper motor (6) to perform adjustment. After the adjustment is completed, the stepper motor (6) stalls and brakes, so that the return springs (5, 9) can work in within a specified range.

The invention relates to a wave-powered generating device belonging to the field of hydraulic machinery or hydraulic generators, and aims to provide a device for continuously generating electricity by utilizing waves. The wave-powered generating device comprises a shell which is anchored on seabed; floating ball generating systems are arranged in the shell and mounted on a rotating shaft; the system comprises a spring, a ligament, a ratchet wheel mechanism and a transmission wheel, wherein the ratchet wheel mechanism comprises a small flywheel and a ratchet wheel; the small flywheel and the transmission wheel are fixedly mounted on the rotating shaft; the transmission wheel drives a gear in a gearbox to rotate; the ratchet wheel is in a box shape; the small flywheel is arranged in the ratchet wheel; a pawl is arranged on the inner circumferential surface of the ratchet wheel; the outer circumferential surface is wound by the ligament, one end of which is fixed on the ratchet wheel; and the other end is connected with the floating ball which is arranged on the exterior of the shell; the sealing side of the ratchet wheel is connected with the spring which is wound on the rotating shaft; the other end of the spring is fixed; and the shell is internally provided with at least two floating ball generating systems. The invention has simple structure, convenient use, strong wave resistance, low manufacture and construction costs and long-term use without manual maintenance.

The invention relates to a planar three-freedom-degree parallel mechanism driven by three linear drivers. The planar three-freedom-degree parallel mechanism comprises the three linear drivers and five hinges, wherein two of the five hinges are upper hinges, the other three hinges are lower hinges, the three lower hinges are all fixed to the ground or a device rack, the lower hinges are connected with the linear drivers respectively, the upper ends of the two linear drivers with the lower ends connected with the lower hinges on the outer sides are connected with the upper hinges on the same sides respectively, the upper end of the linear driver with the lower end connected with the middle lower hinge is connected with the upper hinge on any side, and the two upper hinges are connected with each other through an output connecting rod. The parallel mechanism is used as a stir-fry mechanism of an automatic cooker or a vibrating screen or a vibration test table or a transmission mechanism or a parallel robot. The planar three-freedom-degree parallel mechanism driven by the three linear drivers is reasonable in design, ingenious in structure, convenient to install, easy to obtain and wide in application range, and when the parallel mechanism is used, even distribution of driving force can be ensured, stable output can be ensured and the structure of the whole device can be simplified.

The invention discloses a pre-signal control method for buses in the left-turn lane of a crossroad. The method comprises the following steps: 1, formulating driving rules of vehicles in each lane controlled by a pre-signal; 2, adjusting the signal timing of the pre-signal according to the signal timing of the main signal of the entrance lane of a crossroad; 3, determining the length of a waiting area for left-turn buses, the distance between a pre-signal parking line and a main signal parking line, and the location of a traffic guidance sign; 4, determining the time from the end of the pre-signal straight green light to the end of the main signal straight green light according to the position of the pre-signal stop line and the speed limit condition of the entrance lane; and 5, determiningthe time from the main signal left-turn green light turns on to the pre-signal left-turn green light turns on according to the position of the pre-signal stop line and the speed limit condition of the entrance lane. According to the pre-signal control method for buses in the left-turn lane of a crossroad, the problem of lane change of left-turn buses is solved, so that the traffic efficiency of the entrance lane of the crossroad is improved.

The invention relates to a wave energy acquisition system of a floating body rope sheave, and relates to the wave energy acquisition system. One end of a main rope/lock chain is tied to an anchor, theother end of the main rope/lock chain extends to a main winding drum/friction wheel group/chain lock after passing through a rope guide on the bottom of a floating body, and is downwards extended andconnected with counterweight after downwards passing through another rope guide on the bottom of the floating body. The wave energy acquisition system of the floating body rope sheave can improve rope winding tensile force, so that the effective working stroke loss problem caused by bending deformation of the original rope is avoided.

The invention discloses a take-up structure with an anti-winding effect for textile operation, and belongs to the technical field of textile assistive devices. The take-up structure comprises a rack,one side of the rack is movably connected with a winding mechanism, one side of the winding mechanism is provided with a clamping mechanism, and the top of the winding mechanism is movably connected with the rack through a lifting mechanism; and the top of one side of the rack is fixedly connected with a wire arranging mechanism, the winding mechanism comprises a first motor, and an output shaft of the first motor is fixedly connected with a first rotating shaft. According to the take-up structure, by the arrangement of the winding mechanism and the wire arranging mechanism, wire harnesses canbe effectively prevented from being wound with one another during winding, the multiple wire harnesses can be taken up at the same time, the separation effect during simultaneous winding of the multiple wire harnesses can be guaranteed through a baffle connected to the outer wall of a winding drum, and burrs of the wire harnesses during pulling can be avoided through a smooth guide sleeve; and the winding efficiency is remarkably improved while winding of thread bodies is avoided, and the requirement for adapting to the textile operation is met.

The invention provides a flat memory cable and a drive device provided with the same, wherein memory alloy wires of a plurality of shapes can be easily assembled onto a base part. The flat memory cable (7) comprises a plurality of heat-shrinkable memory alloy wires (2, 2...), and an insulated and flexible supporting base (8) used for supporting the plurality of heat-shrinkable memory alloy wires (2, 2...). The two end portions of the supporting base (8) are provided with exposing parts (9, 9) for electrode connection and used for exposing the memory alloy wires (2, 2...) of different shapes.

The invention discloses a yarn dip-dyeing device. The yarn dip-dyeing device comprises a dye vat, wherein a vertical side base with a rotation core on one surface is arranged at one side of the dye vat, the rotation core is round and is provided with a plurality of yarn-winding rods, and the distance between each yarn-winding rod and the circle center of the rotation core is the same. Compared with the prior art, the yarn dip-dyeing device has a larger space utilization rate and can dye more yarns at a time, and the yarns do not wind one other and are good in dyeing quality.

The invention discloses a high-efficiency ironing machine for zipper cloth belts, which comprises a water trough, an ironing mechanism and a packaging mechanism. The zipper cloth belts are arranged in parallel and sequentially pass through the water trough, the ironing mechanism and the packaging mechanism. The ironing mechanism consists of parallel electric heating rollers which are continuously arranged in a staggering way from top to bottom. The zipper cloth belts are wounded on the electric heating rollers in S-shape. The packaging mechanism consists of parallel friction rollers. The electric heating rollers and the friction rollers rotate at the same speed to drive the zipper cloth belts to move towards the direction of the packaging mechanism. The invention has the advantages that since the ironing machine irons the zipper cloth belts through the electric heating rollers which are arranged in parallel, the temperature control is accurate and the energy is saved; and since a plurality of zipper cloth belts can be transversely arranged and are not twisted with each other, the ironing efficiency is effectively improved.

The invention belongs to the technical field of material conveying rotary discs of backlight modules, and provides a multi-station rotary disc mechanism used for conveying backlight modules. The multi-station rotary disc mechanism comprises a DD motor assembly, a rotary disc mechanism body and a plurality of carrier jigs. The multi-station rotary disc mechanism drives the rotary disc mechanism body to rotate through the DD motor assembly, accordingly, the multiple carrier jigs loaded with the multiple backlight modules correspondingly are driven to sequentially circularly rotate and convey thebacklight modules between a plurality of preset stations, and the multiple backlight modules are subjected to corresponding treatment between the multiple preset stations in sequence; and a DD motorkeeps sufficient torque during low-speed rotating, moreover, smooth rotating of a rotary disc is ensured, the conveying efficiency of the rotary disc is improved, and the corresponding treatment requirements of the multiple stations are met. Meanwhile, the multiple carrier jags of the multi-station rotary disc mechanism and a plurality of jig installation positions on the upper disc face of a jigrotary disc are detachably fixed, thus, all the carrier jigs can be disassembled and assembled to load the backlight modules with different specifications and sizes, and the compatibility and practicality of the multi-station rotary disc mechanism are improved.

The invention relates to an LED steering projection lamp, which is mainly arranged on an outdoor wall of a building. At present, an LED projection lamp with convenient installation, safe use, good lamplight reflection effect and random adjustable light projection direction does not exist. The LED steering projection lamp comprises a lamp cover, a lampshade, a reflecting disc, a lamp body and a base, wherein the reflecting disc is fixed on the lampshade; and the lampshade is fixed on the lamp body through the lamp cover. The LED steering projection lamp is characterized by also comprising a lamp body steering connector, a steering piece and a base steering connector; the structure of the steering piece is *-shaped; the lamp body steering connector is fixed on the lamp body, and one end of the steering piece is movably connected with the lamp body steering connector; and the base steering connector is provided with a lug boss and positioned in the base, a baffle plate is arranged in the base, the baffle plate and the lug boss are matched, and the base is movably connected to the other end of the steering piece through the base steering connector. The LED steering projection lamp has reasonable structural design, is safe and reliable to use, and can omni-directionally adjust the light projection direction according to the requirement.

The invention discloses a sieve hole built-in type annular laser cladding nozzle which comprises a laser head connection part, a middle part sleeve part and a nozzle part; the laser head connection part is composed of an upper connection sleeve which is connected with a laser head; the middle part sleeve part is composed of a sliding sleeve which is connected with the upper connection sleeve; protective glass is arranged between the lower end of the sliding sleeve and the upper end of a center sleeve; a protective glass water cooled jacket is in threaded connection with the sliding sleeve and the center sleeve; a protective gas hole is formed in the center sleeve; a nozzle part is composed of a conical nozzle core which is connected with the center sleeve; and the outer side of each of the conical nozzle core and the center sleeve is sequentially provided with a powder inlet sleeve, a gas inlet sleeve and a water cooled jacket. The sieve hole built-in type annular laser cladding nozzle overcomes the disadvantages that the service life is short, a powder convergence diameter cannot be regulated, and the existing laser cladding nozzle cannot be suitable for powder particles in different sizes.

The invention relates to a playing card machine full automation method. The playing card machine full automation method includes steps that playing cards enter a settling unit from card inlets in a table surface of a playing card machine; the playing cards entering the settling unit are subjected to separation and guidance of rollers at different speeds and then pushed to an arranging unit; the arranging unit sends the cards to an arranging bin one by one, and if a card is a card with a set card face after identification, the card is turned to a horizontal state and then output; otherwise, the card is turned to a flat state and then output; a dealing unit randomly sends a random quantity of the cards to receiving units, the receiving units are distributed circumferentially and receive the sent cards when moving to the dealing unit; after the receiving units receive a set quantity of the cards, the cards are pushed to card outlets of the table surface. The playing card machine full automation method has the advantages that any manual arrangement operation of entertainers is not needed, and full automation of the playing card machine in a real sense is achieved.

The invention discloses a method and system for preparing a winding-free high-efficiency amorphous ribbon. The method comprises the steps that a plurality of small-bore small melt spraying holes are formed in a melt nozzle at certain intervals, and after a mother alloy molten mass injected out of the small-bore small spraying holes is sprayed to a rapid quenching cooling roll face, the amorphous ribbon is formed independently; the system for preparing the winding-free high-efficiency amorphous ribbon comprises a blending device, a throw-preparing device and an amorphous ribbon automatic collector. The mother alloy is heated to be molten through the high-frequency induction technology, and the alloy melt is sprayed to the cooling roll face which is provided with a transverse groove and rotates fast through the spraying holes with the diameter smaller than 1 mm, wherein the surface of the cooling roll face is polished. The alloy melt sprayed to the cooled roll face is fast cooled on the smooth roll face to form the amorphous ribbon with even thickness and width.

The invention relates to a method for producing double-faced fleece on a double-faced fleece loom having at least two weft insertion planes, which utilizes weft yarns, inlay warp yarns and groups of binding warp yarns for forming a A top base fabric and a bottom base fabric, and also utilizing groups of pile yarns from each warp course for forming a jacquard pile layer separable between the base fabrics. In order to obtain a high pile row density, as well as high jacquard definition and clear weave outline, the weft yarn is introduced in pairs as a base weft in a first base fabric and as an inner weft at least twice in a cycle of at least four revolutions. The weft is introduced in a second base fabric, and two, four or six times are alternately introduced into one of the two layers of base fabric as a base weft separately. The respectively jacquard-forming pile yarns comprising the first and last weaves during the conversion of the pile yarns are bound between the bottom weft of the top fabric and the bottom weft of the bottom fabric so as to span the pile loops. In a weft thread cycle, at least two binding warp threads offset in time complete a shed change.