47results about How to "Play a tension role" patented technology

The invention provides an intelligent stair climbing walking replacing machine, which is characterized by comprising a controller, wherein the controller is arranged on a support frame, an automatic stair climbing conveying mechanism, a pedal folding mechanism and an upper and lower box door opening and closing mechanism are arranged in the support frame, the automatic stair climbing conveying mechanism comprises an upper starting switch and a lower starting switch, a chain speed regulating motor, an upper chain shaft and a lower chain shaft are arranged in the support frame, the upper chain shaft and the lower chain shaft are provided with an inclined conveying chain, a slide plate is arranged on a slide rail arranged on the support frame, a slide block is arranged under the slide rail arranged on the support frame, a pedal and an armrest rod are arranged on the slide plate, the pedal folding mechanism comprises an installing seat, a rotating rod connected under the pedal is matched with the installing seat through a rotating shaft, a pedal speed regulating motor is arranged on the slide plate and is used for driving the rotating shaft, the upper and lower box door opening and closing mechanism comprises a support frame upper guide rail and an upper box door speed regulating motor, an upper guide rod is connected onto the upper guide rail, an upper box door is arranged on the upper guide rod, an upper rack is arranged on the inner wall of the upper box door, an upper box door gear is connected onto the upper box door speed regulating motor and is engaged with the upper rack, the support frame is provided with a lower guide rail and a lower box door speed regulating motor, a lower guide rod is connected onto the lower guide rail, a lower box door is arranged on the lower guide rod, a lower rack is arranged on the inner wall of the lower box door, and a lower box door gear connected with the lower box door speed regulating motor is engaged with the lower rack.

The invention discloses a rope parallel device based on a translation constraint structure. The device comprises a static platform, an intermediate platform and a moving platform, wherein rollers and driving units are arranged on the static platform; ropes wind around the rollers and the driving units and are connected with the moving platform; the intermediate platform is connected with the static platform and the moving platform by the aid of rigid rod pieces, each rigid rod piece comprises rigid rods and hinge devices at two ends, and the rigid rods which are equal in length and are parallel constitute parallelogram mechanisms; and springs are connected on diagonal lines of the parallelogram mechanisms and are in the stretched state to provide tension for the ropes. The terminal degree of freedom of a rope parallel mechanism is constrained by the aid of a translation mechanism, and the device inherits the advantages of simple structure, high carrying capacity, easy mounting and dismounting and the like of the rope parallel mechanism and effectively avoids terminal attitude errors, so that the terminal trajectory accuracy is improved.

The invention provides a continuous preparation device and method for a membrane electrode, and the method comprises the steps: enabling a CCM material roll to release a CCM membrane under the drivingof a driving roller, conveying the CCM membrane on a conveying belt, carrying out the pre-blanking of the CCM membrane through a CCM membrane pre-blanking machine to remove a redundant part, and conveying the CCM membrane to a PET membrane punching area; respectively arranging a PET material coil and a PET membrane blanking machine above and below the conveying belt, enabling each PET material coil to release a PET membrane under the driving of a driving roller, conveying the PET membrane on the conveying belt, and performing the blanking of the PET membrane by the PET film blanking machine at the corresponding position; and employing a hot press for carrying out overall hot pressing on a three-layer film structure formed by the conveyed CCM film and the conveyed PET film, and then employing an overall blanking machine for carrying out the overall punching on the film structure subjected to hot pressing, so that a final MEA membrane electrode structure is formed. The CCM is pre-blanked, and the blanked CCM membrane and the blanked PET film are subjected to hot pressing and then are integrally blanked, so that the continuity and integrity of the conveying process are ensured, and the efficiency is greatly improved.

The invention provides a spreading mechanism and a spreading method for an organic matter solid waste treatment device. The spreading mechanism comprises a filter cloth filter pressing chamber, a spreading bed and a cloth rolling frame used for providing a filter cloth, a tray capable of moving up and down is arranged in the filter cloth filter pressing chamber, the spreading bed comprises a spreading part capable of moving back and forth, and the cloth rolling frame is arranged between the spreading bed and the filter cloth filter pressing chamber; and the moving direction towards the filtercloth filter pressing chamber is taken as the advancing direction, the spreading part is in a filter cloth spreading state when advancing, and the spreading part is in a material spreading state whenretreating. The single-layer filter cloth is folded and then laid in the filter cloth filter pressing chamber layer by layer when moving back and forth, and material laying is conducted between the two folded layers of the filter cloth, so that the filter cloth spreading quality and the dehydration efficiency are effectively improved.

The invention discloses a cable winding and unwinding adjusting mechanism. The cable winding and unwinding adjusting mechanism comprises a horizontally distributed movable supporting mechanism, wherein a cable reel mounting mechanism, a tensioning connecting mechanism and a guide limiting mechanism are sequentially mounted above the movable supporting mechanism from left to right. According to thecable winding and unwinding adjusting mechanism, the abrasion winding of a cable is reduced; through the design of a tensioning connecting shaft, a lifting sliding block and a tensioning limiting spring, the cable can be tensioned to a certain extent, and meanwhile damage caused by rigid connection is avoided; by rotating and adjusting a limit adjusting bolt, a driving limit groove is matched with or separated from a driving limit protrusion, so that the free rotation or fixing state of a driving shaft is changed; through a supporting spring and a concave elastic sheet, a rolling buffering mechanism can play a good buffering and supporting role on the cable in the moving and supporting process, the influence of vibration impact on the service life of a cable reel is avoided, the working efficiency is effectively improved by mounting and using the multi-cable reel, and good practical and popularization values are achieved.

The invention discloses an optical screen structure of an ultrathin laser television. The optical screen structure comprises a projection optical film, a supporting back plate, a first adhesive and ahanging frame assembly, The projection optical film is bonded to the front face of the supporting back plate through a first adhesive, and the hanger assembly is fixed to the back face of the supporting back plate. According to the optical screen structure of the ultra-thin laser television, the thicknesses of the ultra-large-size screen main body and the frame can be reduced to be within 6mm, andthe ultra-large-size, ultra-narrow-frame and ultra-thin full-screen design of the laser television screen is realized while the flatness of the screen main body is ensured.

The invention discloses a method for improving weaving flatness and a loom. According to the method, yarns are tensioned twice through a tensioning wheel and a tensioning roller, and woven cloth is heated through a heating roller, is limited and tensioned through a limiting roller, and is cooled and sized through a guide roller. The loom constructed according to the method comprises a machine frame (1), wherein a yarn wheel (2) is arranged on the machine frame (1); the tensioning wheel (3) is arranged above the yarn wheel (2); a yarn separating plate (4) is arranged on the lower side of the tensioning wheel (3); a working table (5) is arranged below the yarn separating plate (4); a weaving needle (6) is arranged at one end of the working table (5); the tensioning roller (7) is arranged above the weaving needle (6); the limiting roller (8) is arranged at the other end of the working table (5); the heating roller (9) and the guide roller (10) are arranged on two sides below the limiting roller (8) respectively. The heating efficiency and the production efficiency can be improved, and the method and the loom also have the advantages of high flatness and high product quality.

The invention discloses a strip billet tensioning device of a V-shaped belt cloth wrapping machine. The strip billet tensioning device comprises a rack, wherein one side of the rack is fixedly connected with a first rotary motor and a second rotary motor; the output end of the first rotary motor is fixedly connected with a first connecting rod; the first connecting rod passes through the rack; oneend of the first connecting rod is rotatably connected with a drive wheel through a rotary shaft; one side of the drive wheel is equipped with a driven wheel; the center of one side of the driven wheel is fixedly connected with a connecting block; a second connecting rod is arranged on the inner cavity of the connecting block in a sleeving mode; strip billets are arranged on the drive wheel and the driven wheel; one side of the driven wheel is equipped with a gear; the gear is rotatably connected with a third connecting rod through a rotary shaft; and the third connecting rod passes through the rack. The strip billet tensioning device of the V-shaped belt cloth wrapping machine is simple in structure, is easy in operation, is relatively low in manufacturing cost, is easily popularized, and has a wide application prospect.

The invention discloses a tensioning mechanism of a film-pasted coiled tube core. The tensioning mechanism comprises a spindle, wherein two locking blocks are arranged at two ends of the spindle respectively and are fixed to the spindle through a plurality of bolts, the middle of the spindle is a central shaft, the central shaft penetrates through the locking blocks for installation, the central shaft penetrates an installing block to be fixed in a base, and the base is installed on a rack of a film-pasted machining machine tool. The spindle is provided with three large gaps, the gaps are circular-arc-shaped and are arranged peripherally, two fixing blocks are arranged in each large gap, and a tensioning strip is arranged between the two fixing blocks. The tensioning mechanism of an existing film-pasted coiled tube core is improved in design, the plastic tensioning strip is designed and installed in the large gaps, so that the tube core firmly attaches to the tensioning strip during rotation, and a tensioning effect is played on the tube core.

The invention discloses a double roller glue application device of a solvent-free compound machine. The double roller glue application device includes a worktable, a base material, fourth connecting rods, a third supporting plate, first rotating rods and glue scraping plates; a glue groove is formed in the upper end surface of the worktable, and two sets of first supporting plates are arranged onthe worktable; a heating tube is arranged at the groove bottom of the glue groove; third connecting rods are arranged at the bottoms of the two sets of first supporting plates; glue application rollers sleeve the third connecting rods; the glue scraping plates are in contact with the glue application rollers; the fourth connecting rods are located above the third connecting rods, edge pressing rollers sleeve the fourth connecting rods; connecting plates are arranged on the two sides of the fourth connecting rods; second supporting plates are arranged at the tops of the two sets of connecting plates; the bottoms of the first rotating rods penetrate through first through holes to extend into the upper parts of the second supporting plates, first limiting rings and second limiting rings sleeve the first rotating rods, and screws are arranged at the bottoms of the first rotating rods; and the screws are matched with thread holes. The glue application work of the base materials with different thicknesses can be satisfied; and meanwhile, the arrangement of guiding rollers can play a tensioning role and prevent the material from loosening during the glue application process.

The invention discloses a six-shaft servo control marble lathe bed medium-speed wire cutting machine. The machine comprises a marble lathe bed base, wherein a wire conveying base is arranged on one side of the upper end face of the marble lathe bed base, a wire conveying device is arranged on the wire conveying base, a UV-shaft supporting base is arranged on the upper end face of a C-shaped standcolumn, a UV-shaft lead screw is arranged on the UV-shaft supporting base, one end of the UV-shaft lead screw is connected with a UV-shaft servo motor, a Z shaft is arranged on a Z-shaft fixing base,a Z-shaft lead screw is vertically arranged on the Z-shaft fixing base, the Z-shaft lead screw is in threaded connection with and penetrates through the Z shaft, a Z-shaft motor base is arranged on one side of the bottom of the Z-shaft fixing base, a Z-shaft servo motor is installed on the Z-shaft motor base, and the Z-shaft servo motor is in transmission connection with the Z-shaft lead screw. According to the machine, six-shaft servo control is adopted, the control effect is good, the flexibility of the medium-speed wire cutting machine is greatly improved, the working efficiency is improved, enterprise development is facilitated, an A shaft, a U shaft, a V shaft, an X shaft, a Y shaft and the Z shaft which are arranged are controlled by servo motors, the control effect is good, and operation is more accurate.

The invention discloses a modularized track tensioning mechanism and a mounting and dismounting method thereof. The track tensioning mechanism comprises a U-shaped outer frame, the outer frame is fixedly connected with a fixing frame, the outer frame comprises two side frames, and the two side frames are connected through a connecting frame; a tensioning shaft assembly is installed between the two side frames, a tensioning wheel is rotatably installed on a tensioning shaft assembly and surrounded by three surfaces of the outer frame, and the two ends of the tensioning shaft assembly penetrate through and stretch out of the two side frames and can slide in sliding grooves of the two side frames; a screw rod is movably screwed on a connecting frame in a penetrating manner; one end, extending into the outer frame, of the screw rod is detachably connected with the tensioning shaft assembly; and when the tensioning shaft assembly slides to the position needing to be tensioned and is connected with the end, extending into the outer frame, of the screw rod, the screw rod is fixed by a positioning pin installed on the outer frame in a penetrating mode. The mechanism can bear a large load, and is high in strength, simple in structure and convenient to use, maintain, assemble and disassemble.

The invention discloses a cotton lap pressure adjusting device which comprises a support, an adjusting shaft, an adjusting connection rod, a tension roller, a rotatable driving mechanism and a control system. The adjusting shaft can rotatably mounted on the support, one end of the adjusting connection rod is fixedly mounted on the adjusting shaft, the tension roller is fixedly mounted at the other end of the adjusting connection rod and axially parallel to the adjusting shaft, the rotatable driving mechanism drives the adjusting shaft to rotate, and the control system controls the rotatable driving mechanism to work. According to the cotton lap pressure adjusting device, rotation of the adjusting shaft drives the tension roller to move in a circular-arc upward and circular-arc downward manner, tension action of a winding belt is achieved, the compressing force of the belt on a surface layer is automatically adjusted according to increase of the diameter of a cotton lap, and uniform of the upper winding surface layer of the cotton lap is kept.