18results about How to "Achieve stretch" patented technology

This utility model relates to the technical field of elevator car top guardrail equipment, and discloses a retractable guardrail for elevator car tops, including an elevator car top with a rectangular structure. First supports are fixedly connected to the four right angles of the elevator car top. First limiting cylinders are fixedly connected to the upper sides of multiple first supports. Threaded sleeves are fixedly connected to the bottom inner sides of multiple first limiting cylinders. Each threaded sleeve is threaded with a threaded rod, and a first support tube is rotatably connected to each threaded rod. This utility model allows the threaded rods to rotate by rotating a handwheel, causing the first support tubes to rise or fall from the first limiting cylinders. When the elevator is paused for maintenance, each first support can be raised; when the elevator is running normally, each first support can be retracted into the first limiting cylinder, thereby reducing the space occupied by the guardrail in the elevator shaft.

This utility model relates to the field of traditional Chinese medicine sowing technology, specifically a sowing row spacing adjustment device for traditional Chinese medicine. It includes a U-shaped frame, a track, and also includes adjusting block one and adjusting block two, horizontal plate one and horizontal plate two, a limiting groove and a limiting block. Movable seats are fixedly connected to the opposing surfaces of the two limiting blocks, and fixed seats are fixedly connected to the opposing surfaces of adjusting block one and adjusting block two. The inner walls of the two adjusting seats are rotatably connected to the same hinge rod one, and the inner walls of the two fixed seats are rotatably connected to the same hinge rod two. Multiple rotating shafts are rotatably connected to the upper surfaces of hinge rod one and hinge rod two. By rotating the handle, adjusting block one can slide on the track, thereby causing horizontal plate one to slide accordingly, thus realizing the rotation of hinge rod one and hinge rod two. When hinge rod one and hinge rod two rotate, they are stretched, thereby causing the rotating shafts and fixed blocks to move synchronously, thus achieving the adjustment of the spacing between the sowing tubes on the multiple fixed blocks.

The utility model discloses a foldable LED-LCD screen with a tensile conductive circuit, which comprises a base, a first screen is connected above the base, a second screen is connected above the first screen through a hinge, a control box is arranged on one side of the first screen, a controller is arranged in the control box, the controller is electrically connected with a connecting wire, and the connecting wire is electrically connected with the first screen. The connecting wire is connected with a movable plate, the outer side of the connecting wire is connected with a connecting ring, one side of the outer side of the connecting ring is connected with a connecting rod, the connecting rod is connected with the movable plate, and the movable plate is connected with a fixed plate through a telescopic spring. Therefore, the connecting wire can be driven to move, the bent wire can be stretched, and stress and damage to the wire are reduced.

The utility model discloses a film two-way stretching device which comprises a circular workbench used for containing a film, a driving motor arranged on a bottom plate of the workbench, sliding grooves formed along the radius of the workbench, a plurality of fan-shaped sliding grooves distributed on the single side, and two sets of sliding grooves symmetrically arranged about the center line of the workbench. The bidirectional stretching assembly is installed in the sliding groove in a sliding mode, and a clamp for clamping the thin film is hinged to the upper half portion of the stretching assembly; and the pushing assembly is arranged on the lower end face of the circular workbench in a sliding mode and arranged relative to the lower half of the stretching assembly, and the pushing assembly is connected with the output end of the driving motor. According to the two-way film stretching device, the problem that horizontal plane stretching in the transverse direction or the longitudinal direction cannot be carried out at the same time in the prior art is solved.

The utility model relates to foamed board processing technical field especially, relates to a kind of punching device for foamed board processing. Including workbench, the top of both ends of workbench is equipped with the limiting mechanism for positioning foamed board, limiting mechanism includes pressing plate, locating block, fixed block and reset spring, the outside of both ends top of workbench is slidably connected with pressing plate, the inside of both ends of pressing plate is slidably connected with locating block, locating block is slidably connected with workbench, the both ends of pressing plate and located at the top of locating block are provided with fixed block, and reset spring is fixed between the bottom of fixed block and locating block. The utility model provides a kind of punching device for foamed board processing, by the cooperation of workbench, pressing plate, locating block and punching mechanism, so as to be able to adjust the position of pressing plate on workbench, and the foamed board of different lengths is positioned, and the foamed board after positioning is punched by punching mechanism simultaneously.

This utility model relates to the field of safety protection technology for loading foam glass, and discloses a safety protection device for loading foam glass, including two No. 1 wheel frames; the No. 1 wheel frame, No. 2 wheel frame, and No. 3 wheel frame are connected by a single slider and a double slider, and a first winch and a second winch, so that the device can be flexibly deployed on a flatbed truck. In use, it is connected to the safety rope on the employee through the hanging wheel, and the No. 3 wheel frame can be moved according to the loading and unloading needs to provide effective safety protection for the employee and prevent the employee from falling from a height. By applying external force to pull the positioning pin, it is disengaged from the positioning groove, which releases the positioning pin from the brake rod. At this time, the positioning pad is pressed against the ground by pressing the brake rod. At this time, the positioning pin is embedded into the positioning groove under the action of the positioning spring, which can fix the brake rod. Under the action of the friction between the positioning pad and the ground, the device will not be able to move, ensuring the braking effect of the device.

The invention relates to the technical field of carbon fiber manufacturing equipment, and discloses carbon fiber yarn flapping and conveying equipment and method based on carbon fiber cloth manufacturing, and the carbon fiber yarn flapping and conveying equipment based on the carbon fiber cloth manufacturing comprises an equipment table, a flapping assembly and a resin dipping device, the multiple carbon fiber bundles and the carbon fiber cloth are arranged in the equipment table, a yarn spreading mechanism and a carding mechanism are further arranged in the equipment table, and through the arrangement of the carding mechanism, when the carbon fiber bundles are conveyed to the position between a supporting plate and an adjusting plate, the upper surfaces of the carbon fiber bundles make contact with arc-shaped triggering blocks; if the carbon fiber bundles are wound, knotted and other local thicknesses are inconsistent, the carbon fiber bundles are carded, the two needle plate assemblies which are not located on the same horizontal line are arranged in a staggered mode, the carbon fiber bundles can be carded more comprehensively and efficiently, and the thickness uniformity and the appearance quality of the carbon fiber cloth are improved.

The utility model relates to fiber tensile strength detection technical field, and disclose a kind of PPS fiber tensile strength detection equipment including rectangle frame, and the tensile strength detection component being arranged above the rectangle frame, the tensile strength detection component includes the first drive motor being fixedly connected in the left outer wall of rectangle frame, the output of the first drive motor is fixedly connected with bidirectional screw rod, the outer wall of rectangle frame is inactively penetrated by bidirectional screw rod and extends to the inside of rectangle frame, the other end of bidirectional screw rod is rotatably connected with the inner wall of rectangle frame, the left outer wall of bidirectional screw rod is screw connected with first sleeve block, the right outer wall of bidirectional screw rod is screw connected with second sleeve block, by setting tensile strength detection component, it can be relatively far away by first sleeve block and second sleeve block, to pull PPS fiber main body, realize the tensile strength detection to PPS fiber main body.

The doll toy building block comprises a head part, a body, arm rod connectors, big arms, small arms, hand parts, a waist part, thighs, shanks and foot parts, the body is arranged on the bottom face of the head part, the waist part is arranged on the bottom face of the body, a triangular trunk is arranged in the body, sectional clamping grooves are formed in the inner wall of the tail end of the triangular trunk in an array mode, and the upper arms and the lower arms are connected through the sectional clamping grooves. The top end of the waist part is connected with a spherical joint, the mobility of the toy building block is improved through the spherical joint, the sectional clamping groove and other parts, compared with a traditional building block toy, the large arms, the small arms, the thighs and the shanks can achieve multi-angle movement, and the head, the large arms, the small arms, the hands, the waist part, the shanks and the feet can all horizontally rotate; meanwhile, the stretching or retracting function of the doll toy is achieved through the sectional clamping grooves of the body, the action performance is enriched, in addition, the assembling process is simplified through quick connection of the arm rod connectors, various moving functions and an adjustable structure are achieved, and the interestingness and playability of the toy are improved.

The utility model discloses a kind of wire drawing modules of take-up device, including the winding assembly and control assembly being arranged in shell;Winding assembly includes: wire carrier disc and wire reel shaft, and the counterweight of additional load wire reel rotation torque, wire carrier disc is rotatably connected in shell by wire reel shaft, at least one counterweight eccentric installation is on wire carrier disc;Control assembly includes swing piece and control piece being installed in shell.Further when user quickly pulls out data line, wire carrier disc and data line play certain protective effect, by reducing the inertia of wire carrier disc rotation, further relieve the tension of data line and take-up device connecting position, prolong the service life of take-up device and data line, eccentric installation counterweight on wire carrier disc makes overall structure more simple and compact, saves the cost of manufacture, realizes the stretching of data line random length, with pulling with stopping, and winding is automatically completed, very convenient and practical.

The utility model discloses a spring service life testing machine, and relates to the technical field of spring testing. Wherein the spring service life test machine comprises a lifting assembly, a mounting seat and a mounting jig detachably arranged between the lifting assembly and the mounting seat, when the spring service life test is carried out, the matched mounting jig can be selected according to the specification and the type of a spring to be tested, and the corresponding mounting jig is mounted between the lifting assembly and the mounting seat; in this way, the spring needing to be tested is installed and fixed to the installation jig, and then the spring on the installation jig is subjected to a stretching or compression test through reciprocating movement of the lifting assembly. Therefore, for springs of different specifications and types, the service life of the springs can be tested only by replacing the matched mounting jig, so that the springs can be adapted to the springs of different specifications and types, the suitability of a spring service life testing machine is improved, and the utilization rate of the spring service life testing machine is effectively improved.

This utility model relates to a stretching machine with an auxiliary shrinkage function, including a frame, on which a fixed stretching assembly and a movable stretching assembly are mounted. The fixed stretching assembly is fixed to one end of the frame, and the movable stretching assembly is slidably mounted on the frame via an X-axis guide rail. Both the fixed and movable stretching assemblies include a Y-axis guide rail and several pinning mechanisms slidably mounted on the Y-axis guide rail. Each pinning mechanism includes a Z-axis cylinder and a pin driven by the Z-axis cylinder. A shrinkage elastic band is sleeved between any two adjacent Z-axis cylinders in the fixed stretching assembly, and a shrinkage elastic band is sleeved between any two adjacent Z-axis cylinders in the movable stretching assembly. For thin aluminum honeycomb cores, the longitudinal shrinkage force during the axial stretching process is insufficient. The shrinkage elastic bands can help the Z-axis cylinders move closer together along the Y-axis, thereby improving the stretching and forming effect of the thin aluminum honeycomb core.

The utility model discloses a curtain shearing and clamping tool and a honeycomb curtain, and belongs to the technical field of curtains or shielding devices, the curtain shearing and clamping tool comprises a first side face, a second side face, a bottom face, a first springback face, a second springback face and a first gap, the side faces, the bottom face and the springback faces define a containing cavity used for containing folded curtain cloth, and through ports are formed in the two ends of the containing cavity; the first gap is arranged between the first rebounding face and the second rebounding face so that the curtain cloth can be pulled out of the first gap. According to the curtain shearing and clamping tool, the first side face, the second side face, the first springback face, the second springback face, the bottom face, the first gap and the second gap define a containing cavity for containing folded curtain cloth, a clamping frame capable of being bent and springback is formed, a honeycomb curtain can be clamped and stored, the curtain cloth is pulled from the containing cavity during stretching, and the curtain cloth can be sheared and clamped. When the honeycomb curtain is stored, the curtain is compressed to be integrally compressed into the containing cavity, the honeycomb curtain can be easily stretched and compressed through the first gap, and the honeycomb curtain is convenient to use or store.

The invention discloses a coiled tubing wellhead quick connecting device with a hydraulic flange, which belongs to the technical field of petroleum equipment and comprises a blowout prevention pipe connecting piece, a hydraulic connector and a hydraulic clamping system. The upper end of the blowout prevention pipe connecting piece is provided with a standard union joint which is quickly connected with a blowout prevention box or a blowout prevention pipe; a first step matched with the hydraulic connector is arranged at the lower end of the blowout prevention pipe connecting piece, and the lower end face of the first step is used for axial limiting of the blowout prevention pipe connecting piece. A flange plate connected with an external flange is arranged at the lower end of the hydraulic connector; and the hydraulic clamping system is used for locking or unfolding the blowout prevention pipe connecting piece and the hydraulic connector. The continuous pipe well control connecting equipment is safely and rapidly mounted and dismounted in a hydraulic control operation mode, and the situation that operators manually mount and dismount the well control equipment in a long-time and high-strength mode when the operators are exposed to the lower portion of a hoisting injection head is avoided.

This invention relates to a Bluetooth headset with dual listening modes, comprising a control unit, a stand, an over-ear headset, a storage drive unit, and an in-ear headset with an ear wire and an ear tip. The over-ear headset is mounted on the stand, and both the control unit and the storage drive unit are installed in the over-ear headset. The control unit is communicatively connected to both the over-ear headset and the in-ear headset. The ear wire is installed in the storage drive unit, with one end of the ear wire passing through the over-ear headset and connecting to the ear tip. The ear tip protrudes from the over-ear headset. Listening can be performed directly using the over-ear headset; alternatively, listening can be performed by pulling the ear tip to extend the ear wire from the storage drive unit, which then locks the current position. To remove the ear wire, the storage drive unit retracts the ear wire. It features a headset, a storage driver unit, and an in-ear headset. The storage driver unit and in-ear headset are integrated into the headset, achieving a dual-mode integrated design. The headband and neckband modes can be switched simply by extending or retracting the ear cable. This design retains the sound quality advantages and wearing stability of over-ear headphones while also providing the portability of neckband headphones.

The invention belongs to the technical field of medical catheter processing, and particularly relates to a catheter balloon forming machine which comprises a rack, a rotating disc device, a lower forming device, an upper forming device, an air blowing device and a discharging device. The turntable device, the upper forming device and the blanking device are arranged on the rack; the upper forming device comprises a supporting seat, a pressing mechanism and an upper forming die; a first positioning groove is formed in the upper forming die, first forming cavities are formed in the first positioning groove at intervals, and the upper forming die is connected with a heating system; the lower forming device is arranged on the conveying device, the lower forming device comprises a forming lower die, a blowing connecting mechanism and a clamping sealing mechanism, the forming lower die is arranged on the conveying device, a second positioning groove is formed in the forming lower die, and second forming cavities are formed in the second positioning groove at intervals; the blowing connecting mechanism and the clamping sealing mechanism are arranged at the two ends of the lower forming die correspondingly. The blowing connecting mechanism is provided with a blowing nozzle, and the blowing nozzle is connected with the blowing device; the clamping and sealing mechanism comprises a base, a pressing plate and a driving piece, the pressing plate is arranged on the top side of the base, and the driving piece is connected with the pressing plate.

This invention provides an inorganic fiber composite yarn blended fabric, its processing method, and its application. It utilizes core-spun composite yarn prepared by coaxial spinning and vortex spinning processes as the weft yarn, and cross-wound composite yarn prepared by friction spinning and hollow spindle wrapping techniques as the warp yarn. The fabric is then woven using a machine weaving process to obtain the inorganic fiber composite yarn blended fabric. This invention solves the technical problems of poor durability, easy bending and core leakage, and numerous burrs in inorganic fiber composite yarns and fabrics. The processing method of this invention has high production efficiency, and the prepared inorganic fiber composite yarn blended fabric is burr-free, more durable, and suitable for the manufacture of high-quality and functional textiles.

The utility model relates to a bionic finger, a bionic manipulator and a humanoid robot. The bionic finger comprises at least two knuckles which are sequentially connected in a pivoted mode, a first wiring channel and a second wiring channel are formed in the far knuckle, and third wiring channels are formed in the other knuckles; the roller comprises a first section and a second section, and the diameter of the first section is smaller than that of the second section; the first traction rope is arranged close to the palm side of the bionic finger, one end of the first traction rope is fixedly connected with the first limiting piece, and the other end of the first traction rope sequentially penetrates through the first wiring channel and the third wiring channel to be fixed to the first section; the second traction rope is arranged close to the back side of the bionic finger, one end of the second traction rope is fixedly connected with the second limiting piece, and the other end of the second traction rope sequentially penetrates through the second wiring channel and the third wiring channel to be fixed to the second section.