80results about How to "Even twist" patented technology

This invention discloses an all-purpose strander, which comprises a setting-out part, a branching matched part and a main frame strander contractor part, wherein the setting-out part comprises the setting-out frame (1) and setting-out seat, and the setting-out frame (1) is installed erectly with several setting-out seats in it; the main shafts of each setting-out seat are arranged horizontal in parallel, and around each setting-out seat it sets guide wheel (15) and guide pipe (2); the tension automatic adjust device are set on each setting-out seat. The strander is modularized and is fit for stranding steel cord of several formats.

The invention provides a flapping wing aircraft capable of realizing twisting of inner wings. The flapping wing aircraft comprises a rack, wings, rear drive devices and front drive devices. The rack has mounting positions. The wings are symmetrically arranged on the both sides of the rack. The wing on each side comprises an inner wing main flapping rod and an inner wing auxiliary flapping rod. The inner wing main flapping rods generate lift required during the flapping wing flight process. The inner wing auxiliary flapping rods generate lift and thrust required during the flapping wing flight process. The front drive devices are mounted in the mounting positions of the rack at the front and used for driving the inner wing main flapping rods. The rear drive devices are mounted in the mounting positions of the rack at the rear and used for driving the inner wing auxiliary flapping rods. The inner wing main flapping rods and the inner wing auxiliary flapping rods on the both sides of the rack have phase differences. The flapping wing aircraft has the advantages that the design of front and rear inner wing flapping mechanisms having the phase differences is provided, the flapping wing motions which are in accordance with the flapping wing flight principle are conducted, and the takeoff, direct flight and landing functions can be fulfilled when the left and right wings are synchronized; and when differential motions are conducted, the functions such as pitching, yawing and steering under the asynchronous control of frequencies and amplitudes of the left and right flapping wings can be fulfilled.

The compound double spindle false twisting device for false twist texturing machine contains two spindle sets comprising one driving spindle and two driven spindles each with spindle centers constituting one equilateral triangle, one motor to drive two driving spindles in these two spindle sets, two spindle seats, one support for the spindle sets, the motor and the spindle seats to be set on, one on-line tensioner, and one motor controlling switch. One such compound double spindle false twisting device can perform S twisting and Z twisting simultaneously. The compound double spindle false twisting device has smart structure, smooth and stable false twisting and easy control.

The invention provides a one-step composite twisting frame, and belongs to the technical field of textile machinery. By arranging an unwinding device on the top of a first twist spindle, the problemsthat in the yarn twisting process, uneven yarn twist, fuzzing, bubbling and the like are caused by unstable balloon tension can be effectively solved. The one-step composite twisting frame comprises afirst twisting mechanism, a roller transmission structure and the a second twisting mechanism; in the first twisting mechanism, single twisting is conducted through the first twisting spindle, and two or more yarns completing single twisting enter the roller transmission structure for monofilament stranding to form a twisted yarn; the second twisting mechanism is used for second twisting of the twisted yarn; the unwinding device is arranged on the top of the first twist spindle, that is to say, a bracket is additionally arranged in the middle of a twisting zone of the yarns, the size of a balloon formed through high-speed rotation of the yarns in the twisting zone is fixed, the balloon size is basically the same, and the yarn quality problem generated by colliding with other parts cannotbe caused; the problems of yarn fuzzing, bubbling, more white dots, more broken ends and the like of a traditional one-step twisting frame can be effectively solved.

The invention relates to the technical field of cable twisting, and discloses a portable type cable twisting device. The portable type cable twisting device comprises a bottom plate, wherein the leftside of the upper surface of the bottom plate is equipped with a bearing base; the upper part of the bearing base is rotatably connected with a twisting roller; the middle part of the twisting rolleris equipped with a baffle plate; a second slide slot is formed in the side wall of the baffle plate; the second slide slot is in sliding connection to second slide blocks; a pressure rod is connectedbetween the two second slide blocks; a fixed plate is arranged at the right side of the upper surface of the bottom plate; a fixed rod is arranged at the top end of the fixed plate; the middle part ofthe fixed rod is in sliding connection with a slide sleeve; the lower part of the slide sleeve is connected with a connecting plate; a first guide wire hole is formed in the lower end of the connecting plate; the middle part of the connecting plate is fixedly connected with a slide rod; the two ends of the slide rod are in sliding connection to the middle part of the fixed plate; a first slide slot is formed in the right end of the upper surface of the bottom plate; and the middle part of the first slide slot is in sliding connection to a first slide block. According to the portable type cable twisting device disclosed by the invention, the slide rod capable of sliding front and rear is arranged to drive the first wire guide hole to move front and rear, so that a cable is uniformly twisted on the twisting roller.

The invention relates to an adjustable transformation equipment pedestal adapted to non-uniform settlement, and belongs to the technical field of transformation equipment fittings. The pedestal is composed of a foot seat, a support and a supporting plate. The foot seat is formed by welding three sleeves to an annular plate, and the included angle between every two sleeves is 120 degree. The support is composed of a screw and a nut thereof, the top of the screw is smoothly spherical, and part under the top of the screw includes threads. The supporting plate is an annular plate, and the lower surface of the supporting plate includes a smoothly spherical groove. The smoothly spherical top in the upper portion of the screw can be placed in the smoothly spherical groove, and is connected to thesupporting plate via an L-shaped connecting piece. When transformation equipment inclines due to non-uniform settlement of a building, the pedestal can be used to rectify the transformation equipment.

The invention discloses an industrial yarn and an industrial fabric as well as a use thereof. Yarn is the yarn which is made from a raw material of heat resistant fiber, after the yarn is weaved, the joint number of the yarn in a fabric is below 10 /100m2. Tensile strength of the fabric, of which the longitude direction is above 500 N/5cm based on JIS L 10968.12.1A law, and the fabric is applied in the filtering material field and a reinforcement fabric of non-woven fabric. The invention has the advantages of reducing the joint number of the yarn, reducing unevenness of yarn twist, improving strength of the fabric and stability of ventilation degree value and improving overall performance of the finished product.

In a cylindrical jacket woven into twill A, the direction of a twill line A formed by a warp 2 woven continuously over a weft 3 is substantially aligned with the direction of the central axis of the cylindrical jacket.

The invention provides an insulated core wire, a high-fire-retardant data cable and the processing craft thereof, particularly relates to the technical field of the cables and cords. The insulated core wire comprises a conductor wherein the periphery of the conductor covers an inner insulation layer and an outer insulation layer in turn along the radial direction. The inner insulation layer is the HDPE insulation layer and the outer insulation layer is the FEP insulation layer, which solves the technical problem of the low of the insulated core wire temperature grade and flame retardant grade in the prior art and is capable of greatly improving the temperature grade and flame retardant grade of the cables. And the data cable owns the technical effects of higher security transfer property and fireproof performance.

The present invention discloses a cable line stranding device. The cable line stranding device comprises a circular bearing sleeve (1), a disc (2), a line-outgoing coil (3), a line-outgoing coil support (4), a support platform (7) and a motor (8). The motor (8) is located at the lower portion of the support platform (7), and the disc is embedded in the circular bearing sleeve (1); and the circular bearing sleeve (1) is vertically disposed at the upper surface of the support platform (7), and the line-outgoing coil (3) is installed at the top end of the line-outgoing coil support (4) and is in parallel with the disc (2). According to the invention, a motor is configured to drive the rotation of a disc, single lines shunted to each disc hole are stranded, so that the softness and the integrity of cable lines are improved, the wires may be uniformly and rapidly stranded together and the production processing efficiency and the quality of the cable lines are improved.

The invention relates to the technical field of building construction, in particular to a building construction cable rack based on reciprocating rotation. The building construction cable rack comprises a cable stranding rack, a stranding device is arranged in one end of the cable stranding rack, a cable limiting device is arranged at the position, close to the top, in the cable stranding rack, and a side pulling device is arranged at the end, away from the stranding device, of the cable stranding rack. The twisting device comprises two circular stranding discs, multiple cylindrical winding columns are fixedly connected to the side wall between the two stranding discs in an annular arrangement manner, the cable limiting device comprises two middle limiting devices which are symmetrically arranged up and down, and side limiting devices are arranged on the two sides of the two middle limiting devices. The side pulling device comprises a side pulling fixed shell, sliding fixed devices arearranged at the upper end and the lower end of the side pulling fixed shell in a bilateral symmetry manner, and a side pulling driving device is arranged in the side pulling fixed shell. The buildingconstruction cable rack mainly solves the problem that when a cable is hooked and is not easy to pull, the cable is prone to being damaged when the cable is stranded by the stranding discs.

The invention belongs to the technical field of polytetrafluoroethylene fiber preparation, and particularly relates to a preparation method of a polytetrafluoroethylene ultra-thin filament. The preparation method comprises the steps of carrying out low-temperature treatment on polytetrafluoroethylene dispersed granules, mixing the treated polytetrafluoroethylene dispersed granules with auxiliary oil, curing, and carrying out compression molding; putting the polytetrafluoroethylene mixture into a pushing and pressing die cavity with the compression ratio of 260, pushing and pressing, and continuously extruding strips to obtain polytetrafluoroethylene material strips; pressing the polytetrafluoroethylene material strips into a film, and performing heat treatment to remove oil; stretching the de-oiled film for multiple times to obtain a polytetrafluoroethylene film; longitudinally cutting the polytetrafluoroethylene film into a plurality of flat filaments, heating and stretching, preparing the obtained filaments into round filaments in a secondary twisting manner, performing twisting and setting while quickly cooling, and finally winding the filaments on a shaft through a winding drum to prepare the polytetrafluoroethylene ultra-thin filament. The polytetrafluoroethylene ultra-thin filament prepared by the preparation method disclosed by the invention is high in strength, uniform in linear density, free of burrs and low in shrinkage rate.

The invention discloses a planet vehicle stabilizing platform. A supporting frame is arranged on a planet vehicle; a first adapter piece is rotatably connected to the supporting frame through a firstrotating shaft; a second adapter piece is rotatably connected to the first adapter piece through a second rotating shaft, and the first rotating shaft is perpendicular to the second rotating shaft; amovable platform is rotatably connected to the second adapter piece through a third rotating shaft, and the third rotating shaft is perpendicular to the second rotating shaft; a first driving device drives the movable platform to rotate around the first rotating shaft; the second driving device drives the movable platform to rotate around the second rotating shaft; the third driving device drivesthe movable platform to rotate around the third rotating shaft; and a stable object is arranged on the movable platform, and when the planet vehicle is unstable, the movable platform is driven to rotate around one or more of the first rotating shaft, the second rotating shaft and the third rotating shaft to restore to an initial position so that the stable object is kept stable. According to the stabilizing platform, the three driving devices are connected in parallel to drive the movable platform to rotate around the three shafts to counteract shaking, the stable object is kept stable, control precision is high, and a structure is stable and reliable.

A method for restarting a twisting device comprising a twisting spindle (A) and a winding device (B) after a yarn breakage, in which method the twisted yarn is fed from a drum downstream of the twisting spindle ( S) under unwinding, fix it on a fixed point after twisting the yarn to obtain a yarn section with a complete number of twists, and fix it at a position behind the fixed point, that is, in the fixed position viewed from the groove drum It is cut at such a position after the fixed point, and then the single yarn located behind the fixed point is mechanically or manually knotted or spliced ​​with the spinning end from the twisting spindle, and before that, the winding process It is necessary to delay the start after the re-running of the twisting spindle until the predetermined number of twists for the twisted yarn returns to the fixed point through the knotting position or the splicing position.

The invention discloses a milling machine floating material receiving device. The device comprises a floating plate (1) and a hood side plate (2), the two sides of the floating plate (1) are connected with the hood side panel (2) through a hydraulic cylinder, the upper end of the hood side plate (2) is provided with a clamping groove (2.1), the upper end of the floating plate (1) is limited in the clamping groove (2.1), and the device is characterized in that the clamping groove (2.1) is semi-closed, and the width of the clamping groove is larger than the thickness of the floating plate (1); the floating plate (1) is provided with a sliding groove through hole (1.1), the portion where the hood side plate (2) is connected with the sliding groove through hole (1.1) is provided with a guide block (1.2), and the floating plate (1) floats up and down along the guide block (1.2); the inclined angle of the vertical guide surface of the sliding groove through hole (1.1) in the driving direction of a milling machine ranges from 7 degrees to 12 degrees. Accordingly, improvement is conducted on the original basis, the phenomena that materials are stacked in a slideway gap, and the floating plate is jammed are avoided.

The invention discloses a large granular food feeder for people with impaired upper limbs and a using method thereof. The feeder mainly comprises a cylindrical shell, a cup body, a rubber thumbwheel, a driving device and a reciprocating device for twisting the cup back and forth; the thumbwheel is driven to rotate by the driving device; when the thumbwheel rotates, food leaked out from the bottom of the cup body is sent to a housing conveying nozzle; eating is completed by the disabled coming close to the feeder or by the old/the disabled assisting manipulators. According to the invention, by means of the old/the disabled assisting manipulators, the problem of eating large granular food for people with impaired upper limbs can be effectively assisted; the complexity of operation instruction of the old/the disabled assisting manipulators can be reduced; requirement of functions for the old/the disabled assisting manipulators is reduced; inconvenience of picking up food using spoons, chopsticks or forks with the old/the disabled assisting manipulators can be avoided and the awkward situation of leakage of food during feeding process can be avoided. Chances of self-help feeding are provided for people with impaired upper limbs.

The invention relates to the technical field of spinning equipment, and discloses a twisting device capable of uniformly twisting. The twisting device comprises a device main body, wherein one end ofthe upper end of the device main body is in welding connection to a first support plate; the middle position of the upper end of the device main body is in welding connection to a second support plate; the upper end of the second support plate is in bolt connection to a fixed ring; and the position, at one end away from the first support plate of the second support plate, at the upper end of the device main body is in welding connection to a third support plate. A twisting disc can be arranged for limiting yarns of different dimensions during twisting, and twists and uniformly takes in yarns,so that twisting can be more uniform, wear, on the yarns, of the device can be effectively reduced; a heating mechanism can be arranged for heating the yarns to clear plush on the yarns; and a limiting mechanism can be arranged for winding the yarns at the peripheral side of a winding ring, so that a phenomenon that the yarns are wound into a cluster is effectively avoided.

The present invention addresses the problem of providing a twisted cord of liquid-crystal polyester multifilaments which gives various high-order processed products capable of retaining desired product shapes and which is suitable for use in general industrial material applications such as high-strength ropes, slings, and nets. The twisted cord of liquid-crystal polyester multifilaments has a coefficient of variation in longitudinal-direction cord diameter, X, of less than 30%.

The invention provides a dyeing machine for yarns. The machine belongs to the technical field of spinning-related equipment and solves the technical problems such as that existing dyeing machines for yarns have low efficiency and cannot be used conveniently. The dyeing machine for the yarns provided by the invention comprises a rack, a dyeing bucket and an air compressor, wherein the dyeing bucket is disposed on the rack, and the air compressor communicates with a cavity in the dyeing bucket; an openable bucket cover is disposed on the upper end of the dyeing bucket, the dyeing device also comprises a liquid preparation bucket and a filter, an opening is formed in the upper end of the liquid preparation bucket, the lower end of the liquid preparation bucket is connected a liquid flow pipe 1 which communicates with the liquid preparation bucket and the dyeing bucket, the filter is equipped with an inlet and an outlet respectively, the lower end of the dyeing bucket is connected to a liquid flow pipe 2, the liquid flow pipe 2 is connected to the inlet of the filter, and the outlet of the filter is connected to a liquid flow pipe 3 which communicates with the filter and the liquid preparation bucket; a liquid level meter 1 which can display the liquid level inside the dyeing bucket is disposed on the dyeing bucket; and a liquid level meter 2 which can display the liquid level inside the liquid preparation bucket is disposed on the liquid preparation bucket. The dyeing device provided by the invention increases the efficiency and is more energy-saving and environment-friendly.

Disclosed is an energy-saving electric spindle assembly. The energy-saving electric spindle assembly comprises a motor, a rotatable yarn storage tray which is directly connected with a motor output shaft, a rotatable twisting tray which is connected with the yarn storage tray, and a spindle tank which is arranged above the twisting tray and is stationary. The spindle tank is used for containing a feeding package. The minimum diameter of the bottom of the spindle tank is phi 210 mm to phi 215 mm, the maximum outer diameter of the spindle tank is phi 245 mm to phi 250 mm, the diameter of the twisting tray is phi 220 mm to phi 225 mm, and the diameter of the yarn storage tray is phi 80 mm to phi 85 mm. According to the energy-saving electric spindle assembly, the size, the structure and the geometrical shape of the spindle tank, the twisting tray and the yarn storage tray are optimized and designed, the diameter of free ballooning which is generated by the way that yarns rotate along with a spindle is reduced, the quality of twisted yarns is guaranteed, and meanwhile energy needed by a twisting frame for driving the spindle to work is reduced. According to the energy-saving electric spindle assembly, for a feeding yarn conventional variety with the yarn fineness range being 840 dtex-2600 dtex and the package diameter being smaller than or equal to 230 mm, the direct twisting or two-for-one twisting spindle assembly with the above characteristics is compared with the structure in the prior art, and the purpose for saving energy by 10%-13% is achieved.