15results about How to "Good bending properties" patented technology

The utility model provides a steel pipe bending device which comprises a machine frame, a first moving platform is arranged on the upper portion of the machine frame, a clamping assembly used for clamping and fixing a steel pipe is arranged on the first moving platform, and a second moving platform is arranged on the outer side of the machine frame. And a bending assembly used for bending the steel pipe is arranged on the second moving platform. According to the steel pipe bending device, the first moving platform can be matched with the clamping assembly to clamp a steel pipe and push the steel pipe forwards at the same time, the second moving platform can be matched with the bending assembly to achieve continuous multi-angle and multi-direction bending operation on the steel pipe pushed forwards, the bending efficiency is higher, and the bending effect is better.

The utility model discloses a simple and practical steel bar bending tool, including handle, the top of handle is symmetrically provided with bending claw, and the center of bending claw is provided with U-shaped iron, through this application, can realize convenient carrying, satisfy the bending of stirrups in different scene and different area in different site construction process, and more fast, laborsaving, bending effect is good.

The invention relates to a temperature and strain bimodal flexible sensor and a preparation method thereof, and the sensor achieves the efficient detection of temperature and strain signals through the combination of an ink direct writing process and a screen printing process. The sensor is unique in design and comprises a rigid area substrate and a soft area substrate which are respectively provided with a thermal resistance type temperature sensor and a piezoresistive strain sensor, so that effective separation and accurate measurement of temperature and strain signals are ensured. A flexible material and an improved FA-BP neural network algorithm based on a firefly algorithm are adopted, so that the stability and the measurement precision in a variable environment are improved. In addition, the sensor can still work normally in a high-temperature environment, and is superior to a common flexible thin film material in the market. The sensor disclosed by the invention shows huge application potential in the fields of intelligent wearable equipment, health monitoring, industrial automation and the like, and a new solution is provided for realizing high-precision and high-stability temperature and strain monitoring.

The utility model belongs to the technical field of D-shaped section tube bundle bending, and particularly relates to a D-shaped section tube bundle production bending device which comprises a machining table, a strip-shaped groove, a semicircular male die, a D-shaped section tube bundle, a supporting column, a transverse plate, a bending air cylinder, a bending assembly, a fixing rod and a controller. A semicircular male die is connected to the center of the interior of the strip-shaped groove, and a bending assembly is arranged over the semicircular male die. Through the design of the bending assembly, the bending die is designed to be an arc-shaped die according to the D-shaped section tube bundle, and the bending groove which is the same as the D-shaped section tube bundle in shape is formed in the bending die, so that when the D-shaped section tube bundle is bent, the bending groove and the D-shaped section tube bundle can be subjected to comprehensive contact and downward pressing; the bending die is matched with the semicircular male die for use, so that damage to the structure of the tube bundle can be avoided while a good bending effect is achieved, and the quality of a bent product is guaranteed.

A circuit board according to an embodiment includes: a first metal layer; and a second metal layer disposed on the first metal layer, in which the first metal layer includes an oxide layer formed by oxidizing a region of a predetermined depth from a lower surface of the first metal layer, the first metal layer and the second metal layer include a plurality of electrode patterns disposed on the oxide layer and spaced apart from each other, the oxide layer insulates the plurality of electrode patterns from each other.

The present invention relates to an ultra high strength steel sheet having a high yield ratio, and a method for manufacturing same and, more specifically, to a steel sheet having ultra high strength, a high yield ratio and excellent bendability, and a method for manufacturing same.

The utility model relates to the technical field of flexible supports, and discloses an end support of a flexible support, the end support comprises a support and a plurality of compression-resistant piles, the upper surfaces of the compression-resistant piles are fixedly connected with flexible plates, and first fixing grooves and second fixing grooves are sequentially formed in the flexible plates from right to left; the support is located above the multiple compression-resistant piles, multiple sets of fixing assemblies are arranged on the lower surface of the support, each fixing assembly comprises a connecting plate and a screw rod, the connecting plates are fixedly connected with the lower surface of the support, and one end of each screw rod penetrates through the corresponding connecting plate and then is rotationally connected with a connecting disc; the compression-resistant pile and the support can be fixed together by rotating the threaded rod, connection is firm, looseness is avoided in the using process, and due to the fact that the flexible plate is made of a rubber material, the bending performance is good, and the stability and the bearing capacity of the structure can be improved.

The invention relates to the technical field of inorganic semiconductor nanomaterials, in particular to a flexible transistor based on a comprehensive two-dimensional material and a preparation method and application thereof, and the flexible transistor comprises a first graphene nanosheet, a hexagonal boron nitride nanosheet, a molybdenum disulfide nanosheet, a second graphene nanosheet and a third graphene nanosheet, the first graphene nanosheet, the hexagonal boron nitride nanosheet and the molybdenum disulfide nanosheet are sequentially arranged from bottom to top in the thickness direction of the transistor, and the second graphene nanosheet and the third graphene nanosheet are arranged on the molybdenum disulfide nanosheet at intervals. A transverse conducting channel is formed between the second graphene nanosheet and the third graphene nanosheet; the first graphene nanosheet, the hexagonal boron nitride nanosheet and the molybdenum disulfide nanosheet have completely vertical overlapped areas. The flexible transistor has excellent bending performance and electrical performance, and when the curvature radius reaches 5 mm, the flexible transistor can also have the switch ratio as high as 8 orders of magnitude.

This invention relates to a dual-modal flexible temperature-strain sensor and its fabrication method. The sensor achieves efficient detection of temperature and strain signals by combining direct ink writing and screen printing processes. The sensor features a unique design, comprising a rigid substrate and a flexible substrate, housing a thermal resistance temperature sensor and a piezoresistive strain sensor respectively, ensuring effective separation and accurate measurement of temperature and strain signals. The use of flexible materials and a FA-BP neural network algorithm based on an improved firefly algorithm enhances stability and measurement accuracy under varying environments. Furthermore, the sensor can still operate normally at high temperatures, outperforming common flexible thin-film materials on the market. This sensor demonstrates significant application potential in smart wearable devices, health monitoring, and industrial automation, providing a new solution for achieving high-precision and high-stability temperature and strain monitoring.

The utility model discloses a bending jig suitable for FPC (flexible printed circuit) thick copper, which relates to the field of FPC material processing and comprises a second die holder and a first die holder, the second die holder and the first die holder are symmetrically arranged, one ends, far away from each other, of the second die holder and the first die holder are both connected with handles through locking bolts, and the handles are connected with the second die holder and the first die holder. A plurality of positioning holes are symmetrically formed in the tops of the first mold base and the second mold base, a first positioning groove is formed in the top of the first mold base, a second positioning groove is formed in the top of the second mold base, two fan-shaped connecting plates are arranged on the front side and the rear side of the right end of the first mold base, and fixing rods are connected to the front ends of the two fan-shaped connecting plates; the two fixing rods are both connected with one end of the connecting rod, two sliding rods are arranged at the other end of the connecting rod, two arc-shaped guide grooves are formed in the upper end of the fan-shaped connecting plate, and the other ends of the two sliding rods penetrate through the two arc-shaped guide grooves respectively and are fixedly connected with the second die holder. According to the utility model, through the positioning assembly and the bending assembly, the positioning and bending effects of the material are improved.

The utility model discloses a bending die for an LED support. The bending die comprises a base, an LED support limiting assembly used for placing and fixing the LED support, an LED support adjusting assembly used for driving the LED support limiting assembly to move, and an LED support bending assembly used for bending the LED support. The LED support limiting assembly, the LED support adjusting assembly and the LED support bending assembly are all arranged on the base, the LED support bending assembly is arranged on one side of the LED support limiting assembly, and the LED support adjusting assembly is arranged on the other side of the LED support limiting assembly; an LED support of the LED support limiting assembly is driven by the LED support adjusting assembly to move horizontally on the base, and the LED support of the LED support limiting assembly is bent through the LED support bending assembly. The LED support pin bending device can rapidly bend pins of an LED support, and is good in bending effect, high in bending efficiency and high in practicability.

The invention relates to the technical field of electromagnetic films, in particular to a shielding film and a circuit board. The shielding film provided by the invention comprises a substrate layer and a shielding layer which are stacked, the number N of breakpoints of the shielding layer is more than or equal to 1 and less than or equal to 20 within the distance of 260 [mu] m, and the maximum width of the breakpoints is less than or equal to 5 [mu] m. By limiting the number of the breakpoints and the shielding film within the width range of the breakpoints, the shielding film has high segment difference resistance, meanwhile, the bending resistance of a circuit board or an FPC board containing the shielding film can be improved, and a good electromagnetic shielding effect can be kept.

The utility model discloses a climbing glove with strong mobility, which comprises a glove, a protective leather is sewn at the palm center of the glove, an upper protective sleeve is arranged at the top end of the protective leather, and the upper protective sleeve is fixed at the knuckles of the glove by sewing; a gap exists between the upper protective sleeve and the protective leather; in the knuckles of the glove, the thumb joint and the index finger joint are of a half-finger structure. The covering area of the protective leather and the upper protective sleeve is larger than half of the palm area of the glove; the outer sides of the protective leather and the upper protective sleeve are of leather structures, the inner sides are woven materials, and the leather materials are hot-melted on the outer sides of the woven materials on the inner sides; firstly, the protective leather is fixed to the palm center of the glove, after a user wears the glove, the friction force between the user and a rope can be enhanced through the protective leather, the protective leather is divided into two sets (namely, the protective leather and the upper protective sleeve), the bending effect of the glove in the wearing process can be facilitated, the palm center can be folded conveniently, and wrinkles cannot be generated; and therefore, the user can conveniently climb on the spot and contact with the rope.

The invention discloses a bolt fuse binding tool for aircraft assembly, and relates to the technical field of aircraft assembly, and the bolt fuse binding tool comprises a driving part, a flexible transmission assembly and a fuse clamping assembly; the flexible transmission assembly comprises a flexible hose and a rotating core shaft rotatably arranged in the flexible hose, one end of the rotating core shaft is in transmission connection with the driving part, the other end of the rotating core shaft is fixedly connected with the fuse clamping assembly, and the driving part drives the rotating core shaft to rotate so as to drive the fuse clamping assembly to rotate; the fuse clamping assembly comprises a fuse clamping part. Bending at any angle can be achieved through the flexible transmission assembly, so that power of the driving part can be transmitted to the fuse clamping assembly in a narrow area and a closed angle area, and the problem that power transmission is blocked due to space limitation in aircraft assembly work is solved.

The present invention relates to the field of medical devices, and in particular to an implantable device with a retractable anchoring structure. The implantable device comprises a support frame body, the support frame body at least comprises an anchoring portion, the anchoring portion comprises one or more repeated anchoring units, wherein the anchoring unit comprises a tissue contact portion and a connecting portion; the distal end portion of the tissue contact portion can form a hanging anchor with the cavity tissue; when the anchoring unit is subjected to radial compression, the connecting portion undergoes elastic deformation and drives the tissue contact portion to retract inwardly toward the radial center relative to the support frame body, thereby forming a non-puncture or low-puncture effect on the tissue contacted by the anchoring portion.