12results about How to "Increase pulling force" patented technology

The invention belongs to the field of aerospace, and relates to a forming method for preventing R-angle prepreg stacking. The method comprises the steps that after prepreg at the R corner is laid, a laying layer at the R corner needs to be checked, and it is guaranteed that the laying layer in the R corner area is not bridged; measuring the size of an inner R angle according to a part mathematical model, calculating to obtain the filling amount of a triangular area, and manufacturing a special silk twisting strip by using a silk twisting machine; filling the triangular area with a thread twisting strip, checking the filling area, and observing the filling amount; all laying material pieces of the part are completed, and a piece of demolding cloth matched with an R angle is cut according to the size of the R angle in the part; paving a layer of demolding cloth at the corresponding position of the inner R angle; and 6, a layer of Airpad black silica gel strip is laid in the remaining area of the H-shaped or T-shaped composite material structural part, and meanwhile, the Airpad black silica gel strip is fixed to the tool molded surface through an adhesive tape.

The invention relates to the technical field of flame-retardant anti-static garment processing, in particular to flame-retardant anti-static garment processing equipment and a flame-retardant anti-static garment processing technology, and the flame-retardant anti-static garment processing technology comprises the steps that the flame-retardant anti-static garment processing equipment is adopted for processing cloth; the processing equipment for the flame-retardant anti-static clothing comprises a processing frame, a sliding seat, a punching head and an elastic tensioning part, wherein the processing frame is configured to be capable of placing cloth; the sliding base is arranged on the machining frame and can slide in the vertical direction. The punching head is arranged on the sliding seat, can elastically slide in the vertical direction relative to the sliding seat, can rotate and is configured to punch cloth; the punching head is sleeved with the elastic tensioning part, and the elastic tensioning part is configured to be capable of tensioning the cloth in the circumferential direction, so that in the using process, the cloth is tensioned in the circumferential direction, the influence of mutual pulling between fibers when the punching head punches holes is reduced, and the machining quality is guaranteed while the punching precision is improved.

The utility model discloses a novel optical transmission device for communication engineering, and relates to the technical field of optical transmission devices, the novel optical transmission device for communication engineering comprises a device body, the inner wall of the device body is fixedly connected with a fixed seat, the surface of the fixed seat is fixedly connected with sliding chutes arranged at equal intervals, and the sliding chutes are fixedly connected with the fixed seat. A spring is fixedly connected to the surface of the winding pile, a crystal head is slidably connected to the interior of each connecting seat, a home-entry wire is fixedly connected to the surface of the crystal head, a connecting wire is arranged on the inner wall of the equipment body, and the end, away from the equipment body, of the connecting wire is fixedly connected with the corresponding connecting seat, so that the home-entry wire and the connecting wire can be buffered; therefore, the connection part of the optical fiber can be prevented from loosening, the damage rate of the home-entry wire and the connection wire is reduced to the maximum extent, the service life of the home-entry wire and the connection wire is prolonged, connection elements in the device can be protected, the failure rate of the optical fiber can be reduced, and the use experience of a user is improved.

The application discloses a winding equipment for stator and rotor production and belongs to the field of winding machines, which comprises a rack, a hydraulic cylinder fixedly connected to one side top of the rack, a rotating mechanism fixedly connected to the other side of the rack, and a protection mechanism arranged at the top of the rotating mechanism. The moving slider is used to move the guide plate up and down, so as to conveniently control the position of the guide plate. According to the height of the rotor, the distance between the two guide plates is adjusted to be the same as the height of the rotor, and the distance between the two guide plates can be adjusted according to the size of the rotor, so that the application range is wider. The rotor is moved to the guide plate, the slotted position of the rotor is between the two guide plates, the copper wire is in contact with the arc surface position of the guide plate when the protection mechanism rotates with the copper wire, the copper wire is guided by the arc surface of the guide plate, and the copper wire slides to the position of the rotor, so that the winding of the rotor is more convenient.

The invention relates to the technical field of stamping dies, and discloses an automobile part stamping die and stamping method.The automobile part stamping die comprises a main body, a hollow box is fixedly connected to the inner wall of the bottom of the main body, a hydraulic rod is fixedly connected to the interior of the top of the main body, and the output end of the hydraulic rod is fixedly connected with an upper die; the upper die is slidably connected to the outer surface of the main body, and the top of the hollow box is slidably connected with a male die. When a piston plate slides downwards, negative pressure is generated in the first hollow sleeve, and at the moment, the negative pressure can adsorb a plate through a round hole, so that the plate can be attached to the top of the first hollow sleeve, the plate can be effectively fixed, movement of the plate in the stamping process is reduced, and the stamping quality of the plate is improved. And it is ensured that the plates cannot slide or be dislocated in the stamping process, and the precision and consistency of the plates in the stamping process are improved.

The application relates to the technical field of switch control equipment, and discloses a switch control equipment of a distribution box, which comprises a control instrument, a plurality of wiring ends are fixedly connected to the side wall of the control instrument, a pressing mechanism and an energizing mechanism are arranged in the equipment to solve the problem that the screw rotates due to the shaking caused by the operation of the control instrument, the thread gap of the spring groove is larger than the gap of the spring sheet No. 1, the spring sheet No. 1 entering the spring groove is elongated and stores potential energy, the spring sheet No. 1 in the space part of the through hole is also in a deformation state, a downward pressure is applied to the screw through the ring, when the screw rotates due to shaking, the spring sheet No. 1 generates a contraction force in the direction of the copper base, the screw rotates and moves more in the direction of the copper base when being shaken, and the phenomenon that the ring is loosened due to shaking is effectively prevented.

The utility model discloses an assembly type shear wall sleeve-free connecting structure, which relates to the technical field of assembly type buildings, and comprises a shear wall main body and a first embedded part, and the middle part of the side end surface of the main body is provided with a mounting groove; one end of the first embedded part is fixedly connected with the interior of the main body, and a connecting ring is arranged at the other end of the first embedded part and located in the mounting groove; the first embedded part comprises a sleeving part and a screwing part, the sleeving part is of a cylindrical structure, the outer surface of the sleeving part is fixedly connected with the main body, and the inner surface of the sleeving part is in threaded connection with the screwing part; the device further comprises a second embedded part, and the second embedded part is of a plate-shaped structure. The second embedded part is provided with a first through hole, and the first through hole is connected with the outer surface of the sleeving part in a sleeving mode. The sleeving piece is connected with an abutting plate, and the abutting plate and the screwing piece are arranged on the two sides of the second embedded piece correspondingly. The adjacent connecting rings are used as acting points to achieve connection of the shear wall, use of a traditional sleeve is avoided, the structure is simple, installation is convenient and fast, and construction efficiency is improved.

The utility model discloses an auxiliary dyeing device for sample yarn, which relates to the technical field of yarn dyeing and comprises a dye box and a movable frame, the movable frame is positioned above the dye box, the bottom surface of the movable frame is fixedly connected with two power telescopic rods, and the lower ends of the two power telescopic rods are fixedly connected with the left side surface and the right side surface of the dye box respectively. A center column is arranged in the dye box, the outer surface of the center column is rotationally sleeved with two end discs, the two end discs are fixedly connected through a round rod, and a plurality of half discs are arranged between the two end discs. The yarn loosening device is reasonable in design structure, the yarn on the surface of the center column can be gradually loosened by connecting the two ends of the yarn with the pressing rod and the round rod respectively, the loosened yarn can make full contact with dye, then the yarn is wound around the surface of the center column in the continuous rotation process of the center column, tension borne by the yarn is reduced, and the yarn loosening effect is improved. And yarn deformation is effectively prevented.

The utility model provides a rotary type air filter support which comprises a connecting sleeve and an air filter element cylinder, a first-level threaded hole, a second-level threaded hole and a third-level threaded hole are evenly formed in the connecting sleeve from left to right, the air filter element cylinder is in threaded connection with one end of the connecting sleeve through the first-level threaded hole, and the air filter element cylinder is in threaded connection with the other end of the connecting sleeve through the second-level threaded hole. Compared with the prior art, the air filter fixing device has the advantages that after the locking block in the locking assembly is connected with the clamping groove in the air conveying sleeve in a clamped mode, it is guaranteed that the air filter installed in a rotating mode is rapidly fixed, and meanwhile the air filter fixing device is convenient to use. The pulling force between the limiting circular plate and the mounting sleeve is improved through the resilience force of the compression spring, so that the clamping force between the locking bolt and the clamping groove can be improved, and the phenomenon that a screw connecting piece on the air filter bracket is loosened due to resonance generated by the whole air filter along with the running process of a vehicle is avoided; and the mounting stability of the vehicle-mounted air filter is effectively improved.

The present invention discloses a single magic block board structure, including a plurality of magic block boards, one of the opposite sides of the magic block board is provided with a splicing foot, the other opposite side is provided with at least two splicing feet corresponding to the above splicing feet, each magic block board is spliced ​​with another magic block board through the splicing feet, and also includes a plurality of live buckles, the live buckle includes a buckle body, one side or both sides of the buckle body are provided with a protrusion, the buckle body is provided with a barb strip or the buckle body is provided with two oppositely arranged barb strips; the magic block board is provided with a hidden fastening structure for hiding the live buckle and making the two magic block boards and the live buckle mutually buckle, mutually squeeze and mutually pull each other. The present invention has a simple structure and strong practicality.

The utility model relates to the technical field of knitting machines, in particular to a knitting machine thread feeding mechanism which comprises a base, a tensioning mechanism is arranged above the top of the base, a bobbin is arranged on a rotating rod in a sleeved mode, thread ends of knitting threads penetrate through three sets of guide rollers in an up-and-down alternating mode, and therefore the knitting threads can be tensioned when being dragged. A stable tensile force is formed by alternately penetrating through the multiple sets of guide rollers to generate friction force to be matched with a pulling force generated by traction during thread feeding, so that the situation that the tension degree of knitting threads changes all the time during thread feeding and the knitting threads are loosened or broken is avoided, the guide ring is arranged so that the thread feeding position of the knitting threads can be conveniently limited, and the production efficiency of the knitting threads is improved. The guide ring is connected to the inner wall of the positioning ring through a circle of tension spring, a certain displacement space is provided even if position deviation occurs, and the elasticity of the tension spring after deviation can assist the knitting thread in correcting the thread inlet position.