13results about How to "Low elongation" patented technology

The utility model discloses an automobile tire fastening belt which comprises a macromolecule outer colloid belt and a steel wire rope inner net curtain, and the macromolecule outer colloid belt is wrapped outside the steel wire rope inner net curtain through mould pressing or injection molding. Due to the adoption of the steel-plastic composite structure, compared with an original woven polyester belt, the steel-plastic composite belt has the advantages of being high in strength, low in ductility, high in friction force with a tire joint surface and capable of preventing looseness under the condition of the same function. And moreover, the wear-resistant, scratch-resistant and anti-shearing characteristics are realized, and the service life can be greatly prolonged.

The utility model discloses a gear side cover grease dispensing assembly device, and relates to the technical field of gear grease dispensing assembly. The gear side cover point grease assembling device comprises a fixing column, a synchronous belt sliding table assembly, a sliding seat and a multifunctional mechanism, the top of the fixing column is connected with a connecting plate, the synchronous belt sliding table assembly is installed on the connecting plate, the sliding seat slides on the synchronous belt sliding table assembly, and the multifunctional mechanism is installed on the sliding seat. According to the gear side cover grease dispensing assembly device, grease dispensing can be conveniently conducted on a side cover on the rotary disc through lifting movement of the grease dispensing assembly on the multifunctional mechanism, meanwhile, the assembly assembly can ascend and descend to clamp a gear, and then the gear can be clamped through movement of the synchronous belt sliding table assembly; the assembling assembly clamping the gear can move and assemble the gear into an inner cavity of the side cover, the two steps of grease dispensing and gear assembling can be synchronously carried out at a time, the elongation of an assembling process production line is reduced, and the assembling efficiency of the gear and the side cover is improved.

A display device in which a pad electrode of a circuit board and a pad electrode of a display panel are aligned is provided. The display device includes: a display panel; and a circuit board connected to the display panel, in which the circuit board includes a plurality of sub-bonding portions separated from each other by a plurality of slits, and a length of each of the plurality of sub-bonding portions is set based on an elongation of the circuit board. In the display device, alignment of a pad electrode of a circuit board and a pad electrode of a display panel is improved.

The utility model provides a paper composite yarn with unequal twist. The paper composite yarn comprises a paper yarn, the first modified polyester supercool multifilament and the second modified polyester supercool multifilament are sequentially wrapped on the outer surface of the paper yarn from inside to outside, the twisting direction and the wrapping twisting direction of the first modified polyester supercool multifilament are both opposite to the twisting direction of the paper yarn, the twisting direction and the wrapping twisting direction of the second modified polyester supercool multifilament are both the same as the twisting direction of the paper yarn, and the first modified polyester supercool multifilament and the second modified polyester supercool multifilament are arranged on the outer surface of the paper yarn. The twist of the paper yarn, the twist of the first modified polyester supercool multifilament and the twist of the second modified polyester supercool multifilament are sequentially reduced, and the coating twist of the first modified polyester supercool multifilament and the coating twist of the second modified polyester supercool multifilament are sequentially reduced.

This utility model provides a ligation release liner mechanism and a ligation device, relating to the field of medical device technology. The ligation release liner mechanism includes: a flexible cable and a flexible line connecting the flexible cable; the flexible cable is used to drive and connect to the actuator of the ligation device, and the flexible line is used to wind around a reel; the elongation rate of the flexible cable under a unit tensile force is less than that of the flexible line under a unit tensile force. Utilizing the flexibility of the flexible line, it is smoothly wound around the circumference of the reel, and the tensile force is transmitted through the flexible cable with a lower elongation rate, thereby reducing the overall elongation rate of the ligation release liner mechanism. This is particularly suitable for the tensile force transmission when the ligation device releases multiple ligation loops continuously, avoiding the problem of ligation loop release failure due to the release line being stretched and elongated.

This utility model discloses an abrasive belt structure, comprising a substrate and an abrasive layer disposed on the substrate. The substrate is a metal wire mesh substrate, which includes a plurality of warp metal wires and a plurality of weft metal wires. The weft metal wires are arranged sequentially at intervals along the warp direction, and the warp metal wires are arranged sequentially along the weft direction and interwoven with each other. The diameter of the weft metal wires is larger than the diameter of the warp metal wires. In this utility model, the substrate is a metal wire mesh substrate, formed by the interweaving of warp and weft metal wires. The diameter of the weft metal wires is larger than the diameter of the warp metal wires, and the warp density is greater than the weft density, allowing for a densely woven metal mesh with high tensile strength and low elongation, meeting the requirements for long-term, high-volume grinding applications.

The invention belongs to the field of optical fiber communication, and discloses an easy-to-open skylight optical cable suitable for fiber-to-the-home and application and a preparation method thereof.The easy-to-open skylight optical cable comprises a cable core and an outer sheath wrapping the cable core, the outer sheath comprises a first phase and a second phase which are distributed in the axial direction, the first phase serves as an outer sheath main body part, and a reinforcing piece is arranged in the outer sheath main body part; the first phase is used as an outer sheath, the second phase is used as a reserved skylight part, the reserved skylight part is used for being integrally pulled out and stripped from the outer sheath in the skylight opening operation of the optical cable, the reserved skylight part integrally extends into and penetrates through the outer sheath in the radial direction, and the elastic modulus and the elongation at break of materials of a main body part of the reserved skylight part and the outer sheath have a certain difference degree. When in use, the reserved skylight part is picked out to serve as a tearing end according to the elasticity modulus of the material, and the end of the reserved skylight part is torn manually. The invention also provides a preparation method of the composition. The optical cable manufactured by the method has low requirements on operation techniques of constructors, is simple and labor-saving, can be manufactured by using existing equipment, and has relatively simple requirements on the equipment and the process.

The application discloses a kind of warp cross-weft and bundling's grid woven fabric and its warp knitting method and modified rapier loom, and the warp fiber bundle, weft fiber bundle and binding fiber bundle of woven fabric are woven in the same surface layer fabric;Connecting fiber bundle is between upper layer organization fabric and lower layer organization fabric, and it is the thickness direction of woven fabric, and connecting fiber bundle is cross-weft warp knitting.In a weaving unit, connecting fiber bundle is between two warp fiber bundles, and binding fiber bundle is outside the warp fiber bundle;Two warp fiber bundles and a weft fiber bundle are woven to clamp the weft fiber bundle in warp direction and sink in two weft fiber bundles, and it is bound by binding fiber bundle;Binding fiber bundle is only sunk in weft fiber bundle after cross binding.Woven fabric obtained by the method of the application has stable fabric structure in warp tensile test, and does not come off and does not slip.

The present application relates to a kind of high chromium nickel-based superalloy 3D printing structural member heat treatment method.The above-mentioned heat treatment method includes the following steps: high chromium nickel-based superalloy 3D printing structural member is placed into heat treatment furnace;Vacuumizing treatment is carried out to heat treatment furnace;High chromium nickel-based superalloy 3D printing structural member in vacuum environment is heated for the first time, until heated to 600 ℃±10 ℃;High chromium nickel-based superalloy 3D printing structural member is kept for the first preset time period;High chromium nickel-based superalloy 3D printing structural member in vacuum environment is heated for the second time, until heated to 800 ℃±10 ℃;High chromium nickel-based superalloy 3D printing structural member is kept for the second preset time period;High chromium nickel-based superalloy 3D printing structural member is cooled to room temperature.The use of heat treatment method can improve the processing efficiency of high chromium nickel-based superalloy 3D printing structural member, reduce processing cost, improve high temperature endurance performance, so that tensile property, elongation and impact performance are all beyond the level of forging.

The utility model discloses an elastic support for electric heating furnace, including frame body and positioning ear, frame body includes chassis, vertical frame and elastic tongue, vertical frame is connected on the chassis, and the elastic tongue is connected in the lower part of vertical frame and extends to the side of vertical frame, and the top side of vertical frame is provided with the clamping groove, positioning ear and clamping groove matched setting, positioning ear swing clamping is in the clamping groove, and positioning ear abuts on the upside of elastic tongue. The utility model can improve the elastic support effect to heating furnace tray, improve the positioning effect to heating furnace tray, improve the reliability.

This invention relates to a positive electrode for a lithium secondary battery and a lithium secondary battery. Specifically, the positive electrode includes: a first positive electrode binder layer in contact with a positive electrode current collector; and at least one second positive electrode binder layer disposed on the first positive electrode binder layer. The first positive electrode binder layer comprises a first positive electrode active material and a first binder, and the second positive electrode binder layer comprises a second positive electrode active material and a second binder. The average particle size (D) of the first positive electrode active material is... 50 The particle size is smaller than the average particle size (D) of the second positive electrode active material. 50 The cathode has a diameter of 0.1 μm to 2 μm. It exhibits improved penetration resistance even when metal objects such as nails penetrate the electrode, while also possessing high capacity, high output performance, excellent cycle characteristics, and thermal stability.

The application provides a frame-embedded preform integrated weaving method and a preform. The weaving method comprises the following steps: providing a frame; connecting one end of N layers of warp yarns with a loom, winding the other end of the warp yarns around the front end of the frame, folding the other end of the warp yarns, connecting the other end of the warp yarns with the loom, and forming 2N layers of warp yarns on the frame; layering the warp yarns, wefting according to a selected fabric structure, and weaving to a selected preform structure size; separating the 2N layers of warp yarns into upper and lower parts, then making the rear end of the frame pass between the upper and lower parts of the warp yarns, and continuing to weave the end fabric; disconnecting the warp yarns, connecting a frame pressing plate with the frame, clamping the preform, and obtaining a frame-embedded preform. The method realizes the integration of the frame and the preform, reduces the deformation of the fabric caused by the inconsistent tension during assembly, effectively improves the strength of the preform, clamps the warp and weft yarns of the preform wound on the frame firmly by the frame pressing plate, and reduces the possibility that the preform is detached from the frame.

This invention discloses an electrode conductive additive, an electrode sheet, and an electrochemical device, relating to the field of electrochemical energy storage. The electrode conductive additive comprises a core layer and a shell layer covering at least a portion of the surface of the core layer. The core layer is a low-modulus elastomer with a compressive modulus ≤ 25 MPa. The shell layer is a conductive polymer. The particle size H of the core layer and the thickness X of the shell layer satisfy the following relationship: 1.2 ≤ (1 + 2X / H). 3 ≤3.1, this conductive additive can be added to the active layer of the electrode as a conductive agent. The conductive additive of this application uses a low-modulus elastomer as the core layer, which can absorb the stress generated by rolling, avoid the breakage of active material particles and electrode deformation, and provide a continuous conductive path through the conductive polymer coated in the shell, reduce the electrode resistance, improve the electrochemical performance of the battery, maximize the compaction density, and maintain a high specific capacity of the electrode, thus achieving economic benefits.