41results about How to "Achieve tension control" patented technology

The invention discloses a wrapping machine for a cable production line, and relates to the field of cable manufacturing devices. The wrapping machine comprises a rack, and a wrapping device, a belt releasing transmission mechanism, a wrapping transmission mechanism and a speed measuring device are installed on the rack. The wrapping device comprises a central pipe, a hollow belt releasing shaft and a hollow wrapping shaft which are concentrically arranged. A wrapping disc is fixedly arranged at one end of the wrapping shaft. The belt releasing shaft is arranged in the wrapping shaft, and one end of the belt releasing shaft is detachably connected with a belt coil. The central pipe is arranged in the wrapping shaft in a penetrating mode, and a mold core is fixedly arranged in the central pipe. The belt releasing transmission mechanism comprises a motor a for driving the belt releasing shaft to rotate. The wrapping transmission mechanism is used for driving the wrapping shaft to rotate.The speed measuring device is used for detecting the advancing speed of a to-be-wrapped core wire. The wrapping machine further comprises a controller, and the speed measuring device, the belt releasing transmission mechanism and the wrapping transmission mechanism are all electrically connected with the controller. The wrapping machine can automatically and accurately control and complete adjustment of the wrapping pitch and adjustment of the tension, and can meet the use requirements of wrapping in various technological processes in cable manufacturing.

The fiber rope pre-drafting device includes: a device platform; a first drafting assembly, which is installed on the device platform, and the first drafting assembly includes at least one first rotating part for drafting the fiber rope; a movable assembly, which is set On the device platform, it is arranged to be movable on the device platform; the second drafting assembly is arranged and installed on the movable assembly, and the second drafting assembly includes at least one second rotating part for drafting the fiber rope, the second The rotating part is arranged in parallel with the first rotating part, and the distance between them is set to be adjustable; the driving assembly is arranged to be connected with the second rotating part, and is used to drive the movement of the second rotating part, and adjust the distance between the first rotating part and the first rotating part. The distance; the tension detection assembly is configured to detect the tension applied to the fiber rope; wherein the fiber rope is arranged on the first rotating part and the second rotating part, by adjusting the distance between the first rotating part and the second rotating part To adjust the tension of the fiber rope.

The invention discloses a bed sheet tension control system. A drive support is arranged at one end of a bed body in a hanging mode, a tension sensor is arranged outside the upper portion of the drive support, and a bed sheet is pressed between a first friction barrel and a second friction barrel after passing through a bed surface and the tension sensor; the second friction barrel is connected with a motor through a coupler, and the first friction barrel and the second friction barrel are mutually tightly compressed and are located on the inner sides of the drive support. A rolling barrel support is arranged at the other end of the bed body in a hanging mode, one end of an electric clutch is fixedly connected with the rolling barrel support, and the other end of the electric clutch is installed on a driven shaft; a paper bed sheet rolling barrel is sleeved on the driven shaft and is fixed through a chuck. The electric clutch, the motor and the tension sensor are controlled by an automatic tension controller. The bed sheet tension control system can be used in automatic bed sheet replacing equipment on a medical checking bed, achieve bed sheet tension control in the bed sheet replacing process, and guarantee smooth bed sheet replacing and emergency braking.

The invention discloses a PVC membrane dividing and cutting machine which comprises a feeding mechanism, a dividing and cutting actuating mechanism, a material collecting mechanism, a drive motor, a transmission shaft, a transmission mechanism, a rack and a control cabinet, wherein the feeding mechanism, the dividing and cutting actuating mechanism and the material collecting mechanism are mounted on the rack; the drive motor is mounted on the frame on one side of the rack; the transmission mechanism is mounted on the frame on the other side of the rack; the drive motor is connected with the transmission mechanism through the transmission shaft; power is transmitted to the feeding mechanism, the dividing and cutting actuating mechanism and the material collecting mechanism by the transmission mechanism. The PVC membrane dividing and cutting machine has the characteristics as follows: the dividing and cutting actuating mechanism is provided with a group of direct cutters and a group of disc cutters, which are distributed at intervals; the direct cutters are fixed on the cross beam of the rack, and the disc cutters are mounted on the top cross beam of the rack through a drive air cylinder; and besides, the PVC membranes are cut into strips simultaneously with rickracks left on the edges, so that the labor intensity of operators is reduced, and the working efficiency is improved.

The invention discloses a method for preparing a transmission tube blank made from a filament wound composite material, and relates to a method for preparing a transmission tube blank. The invention aims to solve the problem that a dynamic load transmission tube blank made of a metal material is easily resonated with other metal parts to threaten the safety of an aircraft, and has low humidity resistance and moldproof property. The method comprises the following steps of: 1, preheating a mold; 2, covering a film on the mold; 3, heating the mold; 4, arranging glass fibers on a fiber tensioner; 5, dragging the glass fibers into the mold; 6, arranging carbon fibers on the fiber tensioner; 7, winding a main structural layer; 8, winding the glass fibers; 9, regulating winding parameters and winding again; 10, curing and molding; 11, demolding; and 12, performing surface treatment. The composite material wound transmission tube blank has the advantages of high humidity resistance and high moldproof property, avoids resonance with other metal parts, and greatly improves the safety of the aircraft.

The invention relates to a tipping tire clamp, comprising a fixing seat; a mounting frame, which can be swingably installed on the fixing seat, and a corresponding swing driving hydraulic cylinder is telescopically connected between the mounting frame and the fixing seat, and the mounting frame The two sides of the upper and lower ends are respectively fixed with corresponding fixed mounting parts; the clamping arm mechanism includes a set of fixed shafts that are rotatably installed between the fixed mounting parts on both sides of the mounting frame, and the fixed shafts are respectively fixed to the outside There are a plurality of arc-shaped rods arranged at intervals, the outer ends of the arc-shaped rods are respectively fixed with corresponding limit square tubes, and the inner sides of the arc-shaped rods are respectively fixed with corresponding limit round tubes; the clamp arm drive mechanism , including two sets of drive plates integrally fixed on the arc rods located at the uppermost and lower ends, the telescopic device between the upper set of drive plates has a corresponding clamping drive cylinder, and the lower set of drive plates A set of corresponding synchronous linkages is installed between the plates. The invention has the advantages of simple structure, low cost and light weight.

The invention discloses a method for manufacturing a pressed film of an equal-plate-breadth holographic mask and a mold pressing device thereof. The method comprises the following steps: detecting the actual plate breadth of the pressed film of the equal-plate-breadth holographic mask in a constant-tension control section, comparing the detected actual plate breadth with the preset plate breadth to obtain a plate breadth difference, adjusting the tension of a variable-tension control section according to the plate breadth difference, facilitating film material of the variable-tension control section to stretch or shrink after entering the constant-tension control section in order to compensate the plate breadth difference and to produce the high-precision pressed film of the equal-plate-breadth holographic mask. The mold pressing device comprises a set of leading-in traction rollers, a set of mold pressing rollers, a set of leading-out traction rollers, a guide roller and a stretch roller, which are arranged in order. The mold pressing device is characterized in that: the mold pressing device is provided with a tension control device which is adjusted to compensate the plate breadth difference caused by changes of temperature and properties of the film material, so as to control the difference within a certain range, thereby improving the precision of the plate breadth and outputting high-precision pressed films of the equal-plate-breadth holographic mask.

The present invention has disclosed super, super soft, high -temperature -resistant photoelectric mixed cables and its manufacturing methods and charter machines, involving the field of photoelectric hybrid cable manufacturing.Strengthen the inner layer of the cornea yarn, and the outer club and flame -retardant belt layer outside the cable core, the flame retardant layer outsourced woven the outer layer of the aramid yarn;Putting the transmission mechanism, the transmission mechanism and the speed measuring device; the wrap device includes the wrapped plate, the roll, the central pipe, the band shaft and the wrap shaft, and the transmission mechanism and the transmission mechanism of the bag, And with a transmission device, the speed measuring device includes fixed racks, spring A, lower pressure wheels, fixed wheels, guide pipes and speed sensors, and also has a controller used to control according to the detection signal.The optoelectronic mixed cable can be suitable for environmental high temperature and strong space, and simple processing and manufacturing. The charter machine can complete the packaging process.