6results about How to "Improve the tension effect" patented technology

The utility model discloses a kind of lifting mechanisms, belong to lifting mechanism technical field.This kind of lifting mechanism, including main body and auxiliary mechanism, main body includes base, the upper end of base is fixedly installed with fixed frame, the inside both sides of fixed frame are fixedly installed with a pair of slide rails, two pairs of slide rails are fixedly installed with lifting frame between, the inside one side of lifting frame is rotatably connected with first rotating shaft, and the center of first rotating shaft is sleeved with first synchronous wheel;Auxiliary mechanism includes lifting frame, the bottom end both sides of lifting frame are respectively connected with the upper end both sides of lifting frame, the inside both sides of lifting frame are fixedly installed with slide rod, mobile frame is slidably installed between a pair of slide rods, the top of lifting frame is fixedly installed with top plate, the bottom side of top plate is rotatably connected with second rotating shaft, the center of second rotating shaft is sleeved with second synchronous wheel, and first synchronous belt is wound between second synchronous wheel and first synchronous wheel, the utility model can effectively improve the practicality of lifting mechanism, with higher practical value.

The utility model discloses an aluminum alloy welding wire feeding device with a dynamic tension balancing function, which comprises a moving platform, a discharging device and a wire feeding guiding assembly are arranged on the moving platform, and an adjustable tensioning assembly is arranged between the discharging device and the wire feeding guiding assembly. The guide wire feeding assembly comprises a mounting base, and a fixed wire leading wheel is arranged on the mounting base; a sliding piece is further arranged on the mounting base, and a movable lead wheel is arranged on the sliding piece; the adjustable tensioning assembly comprises a main body support, and the main body support is provided with a plurality of guiding pieces annularly distributed with the main body support. A rotating handle rotationally connected with the main body bracket is arranged in the main body bracket; a connecting rod is arranged between the rotating handle and the guide piece; and when the rotating handle is rotated, each guide piece can synchronously stretch and retract relative to the main body bracket. The feeding device is arranged on the movable platform for feeding, wires are guided and straightened through the wire guiding and feeding assembly, tensioning is synchronously conducted through the multiple guiding pieces on the adjustable tensioning assembly, and the tensioning effect is good and reliable.

This invention provides a pulley tensioning device and a stacker crane. The device includes a fixed bracket, a sliding seat slidably mounted thereon, and an adjusting assembly. The sliding seat has an axle with a tensioning pulley, and the outer circumference of the tensioning pulley has a pulley groove for accommodating the wire rope. The adjusting assembly can push the sliding seat to move, thereby causing the tensioning pulley to press the wire rope, achieving tension and preventing slippage. This device has a simple structure, is easy to install and adjust, and can effectively suppress wire rope swaying and collision, making it particularly suitable for wire rope tensioning in high-rise stacker cranes.

The utility model relates to axial flux motor manufacturing equipment technical field especially relates to tensioner, this tensioner includes guide component, winding roller, brake, outgoing line subassembly and elastic tensioning subassembly, is provided with a plurality of threading path in guide component, each threading path is used to accommodate a wire rod, at least two winding rollers are sequentially arranged along the axis, each winding roller is provided with a plurality of annular winding grooves extending along the axis, the end of each threading path is correspondingly provided with an annular winding groove, each brake is connected with a winding roller, the brake is configured to increase the resistance of winding roller rotation along the axis, each outgoing line subassembly can transmit the wire rod of winding over winding roller in the preset quantity and transmit the wire rod to the winding nozzle, each elastic tensioning subassembly is correspondingly provided with a group of outgoing line subassembly, and the elastic tensioning subassembly can drive the outgoing line subassembly elastic tensioning wire rod.

This utility model belongs to the field of textile equipment and proposes a tension control device for cotton yarn twisting. It includes a machine body, a spindle frame, a ring, a vertical roller, a tensioning device, a guide, a twisting roller, and a yarn roller. A winding motor and a twisting motor are respectively installed at the shaft ends of the yarn roller and the twisting roller. The tensioning device includes a mounting base with two centrally symmetrically distributed tensioning arms. A tensioning wheel is located at the end of each tensioning arm facing the center of the mounting base, and a tensioning shaft is located at the end of each tensioning arm near the edge of the mounting base. A driven gear is located at the shaft end of the tensioning shaft inside the mounting base. A driving gear ring is located on the transmission side of the driven gear, and a transmission device is located at the center of the driving gear ring. A tension adjusting motor is located at the power input end of the transmission device, and the tension adjusting motor is located inside the machine body. This utility model has a reasonable design, acts on the cotton yarn through multiple points / lines, has good adjustment performance, and is highly practical and suitable for large-scale promotion.

The utility model discloses a film metamaterial base material laminating device which comprises an unwinding mechanism for unwinding a metamaterial film and a laminating film, and further comprises a pushing mechanism for pushing a film material, the pushing mechanism comprises a pair of pushing rollers which are matched with each other, and the pushing rollers are driven by a driving structure; the anti-dislocation pressing rod structure is matched with the pushing roller; the anti-dislocation pressing rod structure comprises a plurality of anti-dislocation pressing rods penetrating through the pushing rollers, groove body structures matched with the anti-dislocation pressing rods are formed in the pushing rollers, and the anti-dislocation pressing rods penetrate through the groove body structures; the film is pressed down and attached through an anti-dislocation pressing rod; the height of the anti-dislocation pressing rod is adjusted through an adjusting support structure. By means of the structure, in the metamaterial film laminating process, stability and accuracy of film laminating are kept, and the technical defect that two films with different material attributes are prone to deviation and disengagement in the film laminating process is effectively overcome.