30results about How to "Tension effect" patented technology

The present invention relates to the field of diamond technology, in particular, to a diamond processing equipment, including a vapor deposition furnace, and a hot wire mechanism installed in the vapor deposition furnace, the hot wire mechanism includes a carrier, and several The hot wire on the carrier, the carrier includes a first installation beam and a second installation beam arranged in parallel, the first installation beam is provided with a number of clips for the heating wire to bypass, wherein the clips are perpendicular to the The length direction of the first installation beam is slidably installed on the first installation beam; an elastic piece is arranged between the first installation beam and the clip, and the clip is always kept sliding to the outside of the first installation beam through the elastic piece Trend; the hot wire mechanism also includes a detection piece arranged on the first installation beam or clip, when the elastic piece returns to its original position, the detection piece is triggered and sends a signal feedback to the control center. The invention can play a reminder effect when the hot wire is blown.

A belt wheel mechanism comprises a driving wheel, a driven wheel and a synchronous belt sleeved on both the driving wheel and the driven wheel, as well as the tensioning mechanism, wherein the driving wheel rotates to drive the driven wheel to rotate through the synchronous belt; the tensioning mechanism comprises a rocking beam, two tensioning wheels, a fixed rotating shaft and a regulating spring, and the rocking beam is rotationally fixed on the rotating shaft; the two tensioning wheels are rotationally fixed at two opposite ends of the rocking beam to squeeze the synchronous belt; and one end of the regulating spring is fixed on the rocking beam, and the other end is fixed on a structure not in follow-up with the rocking beam.

The invention discloses a through hole saw blade basal body, there are central installation hole and processing locating hole, the outer edge of the basal body is made with water channel, and the through holes are uniformly distributed on the basal body. It reduces contact surface area, has small cutting resistance, effectively reduces noise, enhances heat radiation and cooling, and has simple process and lower fabrication cost.

The invention discloses a method for simulating the motion trajectory of charged particles in a magnetic field. A movable supporting plane is placed in a horizontal plane perpendicular to the direction of the magnetic field so that required simulation equipment can be placed in the magnetic field conveniently; the two ends of a high-conductivity conductor wire are fixed to the movable supporting plane through a fixed supporting point and a sliding supporting point respectively; the positive electrode and the negative electrode of a direct-current constant-current power supply are connected to the high-conductivity conductor wire through the fixed supporting point and the sliding supporting point respectively; the direct-current constant-current power supply is turned on so that the high-conductivity conductor wire can acquire a current with a certain amplitude; the high-conductivity conductor wire will be unfolded in a certain arc shape; different shapes of the high-conductivity conductor wire in the magnetic field can be acquired by moving the sliding supporting point, and tension on the high-conductivity conductor wire can be read out through a tension meter; the momentum of the charged particles represented by the current-carrying high-conductivity conductor wire at the moment is calculated through the current and the tension. The method does not require real charged particles and thus is more convenient to apply and more flexible.

The invention discloses a method for predicting internal tension of tying ropes of elevator systems in local spaces. The method includes steps that the elevator systems carry out planar movement in systems, mother stars are used as original points of moving coordinate systems of the systems, the mother stars are heavier than elevator cabins and operation spacecrafts, tracks of the mother stars areunaffected by movement of component stars, included angles between the tying ropes and Ox are represented as theta 1 and theta 2, the lengths of the portions, which are positioned between the motherstars and the elevator cabins, of the tying ropes are represented as L1, the lengths of the portions, which are positioned between the elevator cabins and the operation aircrafts, of the tying ropes are represented as L2, gravitation vectors of the elevator cabins m1 and gravitation vectors of the operation aircrafts m2 are represented as G1 and G2, and kinetic equations of elevator cabin bodies are established; inherent tension T0 of the tying ropes in the elevator systems in the local spaces is computed; tension generated by active force of the elevator cabins is obtained according to the kinetic equations of the elevator cabin bodies; the internal tension T1 and T2 of the corresponding tying ropes at the upper end and the lower end of each elevator system in the corresponding local spaces is computed. The method has the advantage that the internal tension of the tying ropes in the elevator systems in the local spaces can be predicted by the aid of the method.

The invention provides a thermal synthesis forming device of a belt film, belongs to the technical field of machinery, and solves the problem of poor thermal synthesis effect caused by low stability of the existing thermal synthesis forming device. The thermal synthesis forming device of the belt film comprises a stand, a conveying roller group and an output roller group, wherein the stand comprises two stand seats; the two stand seats are connected through a main cross beam group; the main cross beam group comprises at least two cross beams I consisting of steel structures; two ends of the cross beams I are respectively fixed on the two stand seats; thermal synthesis tool bars are further fixed on the cross beams I; an upper guide roller for reversing a thin film to vertically convey the thin film and a lower guide roller for reversely outputting the thin film subjected to thermal synthesis are further arranged between the two stand seats; two ends of the upper guide roller are respectively connected to the two stand seats and located above the main cross beam group; and two ends of the lower guide roller are respectively connected to the two stand seats and located below the main cross beam group. The thermal synthesis forming device of the belt film can realize stably continuous thermal synthesis forming of all portions of an ultrawide thin film, and is relatively good in forming effect.

The invention relates to a sizing device, comprising a feeding roll, a prepress roller, a sizing roller, a pressure-measuring roller and a size box; the prepress roller, the feeding roller and the pressure-measuring roller are rotationally mounted in the size box in parallel, the prepress roller is abutted against one side of the feeding roller, the pressure-measuring roller is abutted against theother side of the feeding roller, lower sides of the the prepress roller and the feeding roller are both soaked with size, and the feeding roller is arranged above the size box; a liquid-controller is arranged on the side, back to the feeding roller, of the prepress roller, has a liquid-control edge which is parallel to and close to the prepress roller, and is movably connected into the size box;and the spacing between the liquid-control edge and the prepress roller is adjustable. The yarn pre-sizing rate is adjusted by adjusting the spacing between the liquid-control edge and the prepress roll, so that the final sizing rate of yarn is adjusted. The yarn sizing rate adjusting manner is simple, without any influence to tension of yarn during adjusting, the yarn sizing rate is guaranteed,while external drawing to the yarn during sizing is eliminated to the utmost extent, and quality of the yarn is improved.

The invention relates to a portable wire harness tightening tool for electric power circuit laying. The portable wire harness tightening tool comprises a lifting device, a clamping device and a rotating device. The lifting device is installed at the lower end of the clamping device. The rotating device is installed at the lower end of the lifting device. The problems that when a drooping cable istightened, generally manual operation is needed, the cable cannot be too loose or too tight when tightened and needs to be tightened with great strength, the cable may be broken when being excessivelytightened, power transmission is affected, personal safety of an operator is greatly threatened, a traditional machine mechanically drives a winding roller through power to rotate so as to tighten the cable, a worker not only needs to straighten the cable by rotating a wheel in the operation process, but also needs to continuously prevent the wheel from rotating backwards with strength under thecounteracting force of the cable, and great inconvenience is brought to the worker can be solved.

The invention discloses an anti-scouring structure of an offshore wind power foundation and a construction method thereof. The trumpet-shaped foundation transition section is reduced from bottom to top. The top of the foundation transition section is fixed with a tower through a flange, and short piles pressed into the seabed are arranged around the cylindrical foundation, and each short pile points to the cylindrical foundation. The intersection of the line connecting the center of the circle and the circumference of the cylindrical foundation is fixed with a second cable buckle; the top side of the short pile is fixed with a first cable buckle, and a ring is laid between the second cable buckle and the first cable buckle. shaped coating; the inner ring of the coating is fixedly connected to the second cable buckle, and the outer ring of the coating is tightened by the first cable provided on the first cable buckle; the other end of the first cable is fixedly connected to the tower . The invention aims to provide a fast, efficient and economical erosion protection method for the cylindrical foundation, and improve the overall safety performance of the cylindrical foundation.

The invention discloses a full-automatic winding machine for wireless-charging coils. The full-automatic winding machine comprises a frame, a die head driving device, a wire arranging mechanism, a wire storing mechanism, a horizontal sliding mechanism, a longitudinal sliding mechanism, a vertical lifting and sliding mechanism and a discharging mechanism. The wire arranging mechanism is arranged on one side of the frame. The die head driving mechanism is arranged on the other side of the frame and is abutted against a die head of the wire arranging mechanism. The longitudinal sliding mechanism is arranged above the wire arranging mechanism through the horizontal sliding mechanism. The wire storing mechanism is arranged on the longitudinal sliding mechanism through the vertical lifting and sliding mechanism. The discharging mechanism is arranged between the wire arranging mechanism and the die head driving device. The full-automatic winding machine is ingenious and reasonable in design, smooth in operation, high in accuracy, high in working efficiency and good in winding quality; the die head of a split movable structure is arranged detachably, is convenient to mount and demount and has universality and interchangeability, and only replacement of proper die heads is needed for winding of different products, so that production cost is reduced, and production efficiency is improved; the full-automatic winding machine is applicable to winding of multilayer coils and wide in application range.

The invention provides a plastic film production process, which is completed by the cooperation of a bottom plate, a mounting frame, two stretching devices, two pressing devices, a driving motor, a cooling roller and a cutting device. The thickness of the film bubble is different, and it is difficult to press the thickness evenly by double-roller pressing, and because the blown film bubble has a certain viscosity due to the temperature, when ordinary rollers are used to press it, the two may appear to be rolled together. The situation is still sticky, which will cause the pressed film bubble to be pulled and torn by the rotating rollers. The shaped film bubble may be loose during transportation, and it is difficult to form an effective cutting when cutting it. , the flatness of the edge of the cut film bubble is reduced and other problems.