41results about How to "Reduce bending stress" patented technology

The invention provides a display device and an intelligent terminal.The display device comprises a fluid pump, a display screen assembly and a supporting plate, the display screen assembly and the supporting plate are arranged in a stacked mode, a heat dissipation channel is formed in the supporting plate, fluid is arranged in the heat dissipation channel, and the two ends of the heat dissipation channel form an inlet and an outlet in the supporting plate; the inlet and the outlet are both connected with the fluid pump, and the fluid pump is used for driving the fluid to flow in the heat dissipation channel to achieve heat dissipation. According to the display device, active heat dissipation can be carried out, the harsh temperature rise problem can be solved, and the light and thin requirements of the whole machine can be met.

The utility model discloses a display device, and belongs to the technical field of display. The display device includes a reel and a flexible display panel. When the reel in the display device rotates, the reel can drive the curled display part in the flexible display panel to be wound on the reel, so that the size of the area, used for displaying pictures, of the flexible display panel is reduced, and the display device is convenient to carry. Moreover, a part of the bent connecting part is reversely bent in the accommodating groove relative to the curled display part wound on the reel, so that the bent connecting part can play a role in reducing the bending stress of the curled display part, and the strain of the curled display part during curling is reduced.

The invention discloses a supporting assembly and a display module, the supporting assembly comprises a bending area and non-bending areas located on the two sides of the bending area, the supporting assembly further comprises a first supporting plate, a first adhesive layer and a second supporting plate, and the first supporting plate is provided with at least one groove located in the bending area; the first adhesive layer is arranged on one side of the first supporting plate; the second supporting plate is arranged on the side, away from the first supporting plate, of the first adhesive layer and comprises a first supporting part located in the bending area and second supporting parts located in the non-bending area, and the second supporting parts are located on the two sides of the first supporting part and spaced from the first supporting part. According to the supporting assembly, the first supporting part and the second supporting part are arranged on the first supporting plate at an interval, and the first supporting part is arranged in the bending area, so that the bending stress generated by the second supporting plate can be reduced when the supporting assembly is bent; therefore, the risk that the attaching state among the first supporting plate, the first adhesive layer and the second supporting plate is damaged by internal stress is reduced, and the reliability of the display module is improved.

The invention discloses a laser bending process and a laser bending device, and belongs to the technical field of laser machining, and the laser bending process comprises the steps that a to-be-bent area in a to-be-bent part is subjected to laser tempering treatment to obtain a tempered to-be-bent part, and the tempered to-be-bent part is subjected to bending treatment to obtain a bent part. Wherein in the laser tempering treatment and bending treatment process, an external magnetic field is applied to the to-be-bent part, the direction of the external magnetic field is parallel to the plane where the to-be-bent part is located, and at least part of the external magnetic field penetrates through the to-be-bent part. The electromagnetic force effect can be applied to the to-be-bent area subjected to laser tempering treatment through the external magnetic field, grains are refined, energy distribution in the laser tempering treatment process can be adjusted, the tempering treatment stability is guaranteed, the bending stress is reduced, the conditions of deformation of a bent part and coarse grains are relieved, and the quality of the bent part is improved.

The present invention belongs to the field of mechanical design technology, and particularly relates to an Ω-shaped metal ring for connecting composite thin-walled circular tubes, an Ω-shaped metal ring and a composite thin-walled circular tube assembly and a molding method thereof, the Ω-shaped metal ring comprising an Ω-shaped metal ring body, the Ω-shaped metal ring body comprising an Ω-shaped corrugated portion and a circular tube portion extending outward along the outer edge of the Ω-shaped corrugated portion, the wall thickness of the circular tube portion being greater than the wall thickness of the Ω-shaped corrugated portion, the connection between the circular tube portion and the Ω-shaped corrugated portion being formed with a chamfered portion forming a continuous arc transition, and the outer edge end of the circular tube portion being formed with a shoulder whose wall thickness is thicker than that of the circular tube portion. In the present invention, the Ω-shaped metal ring structure can reduce the problems of low strength and large deformation of traditional U-shaped or V-shaped metal ring structures, and provide a connection structure solution for multi-component modular mechanical equipment that simultaneously meets multi-dimensional requirements such as strength, vibration, deformation control, and connection sealing.

The utility model provides a traction device and a bundling machine. The traction device comprises a traction input shaft, a hitching plate assembly, a front traction connecting frame welding part, a traction middle shaft, a rear traction connecting frame welding part, a traction output shaft, a pair of traction beams and a limiting mechanism, the traction input shaft is connected with the traction middle shaft, the traction middle shaft is connected with the traction output shaft, and the traction output shaft is connected with the hitching plate assembly. The hitching plate assembly is installed on the front traction connecting frame welding part, the front traction connecting frame welding part is rotationally connected with the rear traction connecting frame welding part, and the traction middle shaft is rotationally installed in the front traction connecting frame welding part and the rear traction connecting frame welding part. The pair of traction beams is connected with the rear traction connecting frame welding part, and the limiting mechanism is installed at the connecting position of the front traction connecting frame welding part and the rear traction connecting frame welding part.

The invention provides a heavy-load type drag chain anti-drag-breaking reinforced connection method, and belongs to the technical field of heavy-load type drag chain anti-drag-breaking reinforced connection. Comprising a drag chain and carrier roller supporting devices installed on the drag chain, the axis of the drag chain is made of metal, the carrier roller supporting devices are fixed to the two ends of the heavy-load drag chain and wound around a plurality of rollers, and meanwhile a steel wire rope with the same length as the drag chain is wound around other carrier rollers to be fixedly connected with the heavy-load drag chain in an end-to-end mode. The stability and the bearing capacity of the drag chain are enhanced, lines are prevented from being scattered, a plurality of cables are bundled together through a wire bundling belt or a binding belt, neatness is kept, the lines are prevented from being scattered in the drag chain, wire cores are prevented from being broken, the cables can move along with the drag chain without forcing force, the cables are prevented from being twisted or curled, linear spinning of the cables is kept, and twisting is avoided. And 10% of the allowance of the whole length of the cable is ensured. The axis of the drag chain is made of the metal material, so that the strength of the drag chain is improved, and the situation that the drag chain is broken is reduced.

The invention discloses a method for manufacturing a lightweight automobile conformal wire harness by using multi-material micro 3D printing, and relates to the technical field of automobile wire harness structure manufacturing, and the method comprises the following steps: S10, carrying out three-dimensional modeling on an automobile structure needing wire harness arrangement, and processing a curved surface model substrate matched with the surface of an automobile; and S20, at least two materials used for printing the automobile wire harness structure are attached to the curved surface of the model substrate on the curved surface model substrate matched with the automobile surface to print the automobile wire harness structure. Complete conformal and tight fitting of the automobile wire harness and the automobile structure can be realized, the bending and form sudden change part is not easy to break, the bending stress is small, wiring can be completed in a narrow space, the automation degree of wire harness production and assembly can be effectively improved, the manual participation process is greatly reduced, the labor cost is reduced, and the production efficiency is improved. And the workpieces do not need to be frequently switched, manufacturing process parameters do not need to be adjusted, batch production can be further facilitated, the production speed is higher, and automation can be better achieved.

The invention discloses a cable centralized routing arrangement mechanism for an electric energy metering box and a use method thereof, and relates to the technical field of cable arrangement devices, the cable centralized routing arrangement mechanism comprises a box body, a routing mechanism is arranged in the box body, and a cooling mechanism is arranged on the routing mechanism. According to the cable centralized routing arrangement mechanism for the electric energy metering box and the use method thereof, the worm drives the worm gear and the threaded rod to precisely transmit, the circular-truncated-cone-shaped threaded block is driven to axially move, the four centrosymmetric adjusting blocks are synchronously pushed to radially move along the sliding grooves in the fixed cylinder, stepless adjustment of the caliber of a cable channel is achieved, and the cable centralized routing arrangement mechanism is simple in structure and convenient to use. By means of the design, the mechanism can be perfectly matched with cables of different diameters, stable supporting is provided for preventing loosening, meanwhile, damage to an insulating layer caused by mechanical stress generated due to too tight clamping is avoided, a linear alignment path is formed through cooperation of the first wire arrangement hole, the second wire arrangement hole and the wire frame right facing an outlet, and the wire arrangement efficiency is improved. The cable is ensured to be arranged orderly from the wire inlet hole to the wire outlet hole, and bending stress and mutual interference are reduced.

The display panel comprises an array substrate, a light emitting device layer, a pixel definition layer and a packaging layer, the light emitting device layer comprises a plurality of light emitting units, the pixel definition layer comprises a plurality of openings, the light emitting units are correspondingly located in the openings, and the packaging layer comprises a first organic layer and a first inorganic layer arranged on the first organic layer. The refractive index of the first organic layer is smaller than that of the first inorganic layer, the first organic layer comprises a plurality of organic units, each organic unit comprises a first main body part and a first protruding part connected with the first main body part, the first main body parts are located in the corresponding openings, and the first protruding parts protrude out of the openings; the surfaces of the sides, deviating from the array substrate, of the first protruding parts are arc-shaped surfaces, so that the organic units can form a micro-lens structure, and the light emitting efficiency is effectively improved; compared with a micro-lens structure additionally arranged on the packaging layer, the requirement for the alignment precision of the micro-lens can be lowered, the bending stress can be reduced, and the process and equipment cost can be reduced.

The invention provides a rotating shaft device which comprises a rotation assisting mechanism and a supporting mechanism, the rotation assisting mechanism comprises a base, a rotating mechanism and a linkage mechanism, the rotating mechanism is rotatably connected to one side of the base, the linkage mechanism comprises a first connecting rod assembly, and the first connecting rod assembly is rotatably connected to one side of the base; the end, away from the base, of the first connecting rod assembly is slidably connected to the rotating mechanism. The supporting mechanism comprises a side supporting piece and a middle supporting piece rotationally connected to the side supporting piece, the side, away from the middle supporting piece, of the side supporting piece is rotationally connected with the rotating mechanism through cooperation of a first rotating rail and a first rotating groove, and the middle supporting piece is movably connected with the base through cooperation of an adjusting rod and an adjusting groove; the adjusting groove comprises a first positioning section and a second positioning section, and when the side supporting piece and the middle supporting piece are in a flattened state or a folded state, the adjusting rod is positioned on the first positioning section or the second positioning section. The invention further provides a folding shell provided with the rotating shaft device and electronic equipment.

The present invention provides a frequency conversion cabinet with a multi-layer support mechanism, comprising a cabinet, a cabinet door arranged on the cabinet, and an inner cabinet arranged inside the cabinet; a first support mechanism arranged on the top of the cabinet for protecting the cabinet, the first support mechanism comprising an upper support plate and an inclined plate, an anti-bending component arranged between the upper support plate and the inclined plate, for improving the side compressive strength of the inclined plate; a connecting mechanism, comprising a first side support plate and a second side support plate, the front end surfaces of the first side support plate and the second side support plate are both provided with a support component for supporting the inclined plate, further improving the side compressive strength of the inclined plate. The present invention can ensure that the top and sides of the frequency conversion cabinet can be protected in a harsh environment to avoid internal or external damage, and can effectively achieve the effect of anti-impact support for the cabinet.

The present invention provides a bus with a low and thin passenger platform (28), which is suitable for standing passengers and can also foresee seat positions. The bus is an articulated bus with two or more units. The bus includes a passenger cabin (58), a left steering module (30) and a right steering module (30). Each steering module (30) includes: a wheel with a rotation axis (32), a steering knuckle with an upper pivot joint (68U) and a lower pivot joint (68L), and a steering actuator (68) for pivoting the corresponding steering knuckle around the upper pivot joint and the lower pivot joint. The bus also includes a passenger platform (28), which defines the passenger cabin and laterally connects the left steering module and the right steering module, and the passenger platform is at least partially vertically arranged between the rotation axis (32) of the wheel and the lower pivot joint (68L). The present invention also provides a bus steering method.

The utility model discloses electronic equipment, and belongs to the technical field of electronic equipment. The connecting base is arranged on the side, facing the screen module, of the first circuit board, so that the first flexible circuit assembly of the screen module can be directly connected with the connecting base and does not need to be wound to or penetrate through the other side of the first circuit board. Therefore, when a technician disassembles the screen module, the connection between the first flexible circuit assembly and the connecting seat can be directly separated from the screen side, and then the disassembly of the screen module is completed. Compared with the prior art that the rear cover needs to be disassembled when the screen module is disassembled, the electronic equipment has the advantages that the step of disassembling the rear cover is omitted, the complexity of the maintenance process is reduced, the maintenance time is shortened, the equipment damage risk caused by additionally disassembling the rear cover is effectively avoided, and the reliability of product maintenance is remarkably improved.

The application discloses a kind of hollow and solid core fiber hybrid fiber bundle and cable comprising it, belong to optical fiber communication technical field, including hollow optical fiber, solid core optical fiber (solid core optical fiber can be G.652D, G.654E or G.655 etc.), first layer resin and second layer resin;It is arranged at the center position of fiber bundle by hollow optical fiber, to ensure that the bending radius of hollow optical fiber is maximum when fiber bundle bends, reduce the bending loss of hollow optical fiber, while a layer of low modulus resin is coated on the outer periphery of hollow optical fiber to reduce the bending stress of hollow optical fiber;At the same time, high modulus resin is filled in the outer periphery of low modulus resin to ensure the mechanical properties of fiber bundle, and the multiple solid core optical fibers mixed in the fiber bundle are arranged as annular distribution on the outer side of hollow optical fiber by setting, to protect the middle hollow optical fiber by solid core optical fiber, further improve the mechanical strength of the whole fiber bundle.

This utility model discloses a tensioned beam composite structure supported by concrete components. The tensioned beam consists of an upper chord concrete beam, several lower chord steel tie rods, and several struts; the concrete components consist of a V-shaped concrete beam, concrete corbels, and concrete supports; the upper chord concrete beam is horizontally positioned at the foundation pit; the lower chord steel tie rods and struts form an arched structure and support the upper chord concrete beam, creating a support area; the V-shaped concrete beam extends into the support area of ​​the tensioned beam, sharing the load on the tensioned beam. This utility model reduces the load on the tensioned beam by using concrete supports and corbels to bear part of the load, significantly reducing its support deformation and improving the stability of the foundation pit support. An opening is provided at the intersection of the V-shaped concrete beam and the lower chord steel tie rods, physically separating them into independent load-bearing systems, eliminating additional stress interference, clarifying the force transmission path, and facilitating calculation and maintenance.

The present invention relates to glass, etc., wherein the glass is a microcrystalline glass, wherein within a temperature range where the logarithm of the bulk viscosity η [dPa·s] logη [dPa·s] is 11.4 or more and 12.7 or less, the logarithm of the bulk viscosity η [dPa·s] logη [dPa·s] and the local viscosity η 0 Logarithm of [dPa·s]logη 0 The difference between [dPa·s], i.e. logη‑logη 0 [dPa·s] is greater than 0 and less than or equal to 1.8.

The utility model discloses a bendable FPC (Flexible Printed Circuit) structure, which is characterized in that a single-layer wiring connection circuit is directly adopted in a bending area, compared with a double-layer wiring non-bending area, the thickness and the hardness of the bendable FPC structure are smaller, and meanwhile, as a grounding flat cable and a metal flat cable are positioned in the same layer of circuit, the bending stress is reduced, and the bending strength is improved. The grounding flat cable is locally provided with a circular metal block used for being in lap joint with the EMI film. The PI covering and exposing of the grounding flat cable are removed, the hardness of the PI layer is reduced, the softening effect is achieved, the thickness and hardness of the FPC are further reduced, the rebound force of the FPC after bending is reduced, and the softening effect is achieved.

The application relates to a display panel and a display device, the display panel comprising a bending area and flat areas located on opposite sides of the bending area along a first direction, the bending area comprising a first bending area and a second bending area located on opposite sides of the first bending area along the first direction, the display panel comprising: a screen body having a light-emitting side and a backlight side oppositely arranged along a thickness direction of the screen body, the first direction intersecting the thickness direction; a barrier layer arranged close to the backlight side; a support layer arranged on a side of the barrier layer away from the screen body, the support layer having a bending hole penetrating along the thickness direction, the bending hole being arranged in the first bending area; wherein along the thickness direction, the orthographic projection of the barrier layer covers the orthographic projection of the first bending area and the orthographic projection of the bending hole; the barrier layer is provided with a stress release part, and the stress release part can reduce the bending stress transmitted from the first bending area to the second bending area. The display panel provided by the application can prolong the bending life of the display panel.

The utility model relates to the technical field of pipe pile construction, and discloses a pipe pile holding arm which comprises a bottom box and a top box, the bottom box and the top box are arranged in the same structure, holding arm mechanisms are arranged in the bottom box and the top box, and an adjusting mechanism is arranged between the bottom box and the top box. By starting a hydraulic telescopic rod, the telescopic rod pulls a reinforcing rod at one end of a shear fork type hinge frame, a sliding plate can slide in a sliding groove, meanwhile, the sliding plate slides along the surface of a sliding rod, the sliding rod can provide stabilizing and guiding effects for the sliding plate during moving, the shear fork type hinge frame starts to be folded, and the bottom box and the top box can move oppositely; according to the pipe pile embracing arm, the distance between the bottom box and the top box is prolonged, then the motor is controlled to clamp and fix the pipe pile, compared with the mode that only the middle end of the pipe pile is clamped and fixed, the pipe pile embracing arm has the effects of being good in stability, reducing the bending stress and optimizing the bearing capacity, and the stability of the pipe pile is greatly improved.

The invention discloses a rail vehicle dry-type rim lubricating device which comprises a pipe body, a mounting plate is arranged on the pipe body, a plug pin is arranged in the pipe body, the tail of the plug pin is fixedly connected with the side wall of the pipe body through a lock pin, a first coil spring is arranged at the head of the plug pin, a lubricating block is arranged in the pipe body, and the lubricating block is connected with the plug pin. A second coil spring is arranged on the side, facing the lubricating block, of the first coil spring. One end of the first coil spring and one end of the second coil spring are arranged at the head of the plug pin through fixing pieces, and the other end of the first coil spring and the other end of the second coil spring make contact with the tail end of the lubricating block; and the extended length of the second coil spring is smaller than the extended length of the first coil spring. The service life of the coil spring is prolonged, and the maintenance cost of the dry-type rim lubricating device is greatly reduced.

The utility model discloses a hand warming bag which comprises a first pad body and a second pad body, the second pad body is connected to the surface of one side of the first pad body; the heating sheet is arranged on the first pad body or in the first pad body; the electric control module is arranged on the first pad body and / or the second pad body and is connected with the heating piece through a wire; the second pad body is connected with the first pad body at an interval, and the second pad body has a bending extension margin between two adjacent connecting positions along the bending direction of the first pad body. Due to the connection mode between the first pad body and the second pad body and the arrangement of the bending extension allowance of the second pad body, when the pad bodies of the hand warming bag are bent, the bending extension allowance of the second pad body can be gradually stretched. And the bending process of the second pad body is evolved into the bending extension allowance stretching process, so that the bending stress of the second pad body during bending is greatly reduced.

The invention discloses a power generation transmission device and wind power generation equipment. According to the power generation transmission device, at least the Nth-stage planetary acceleration mechanism in a speed increaser is arranged in a machine shell of a power generator, and the Nth-stage planetary acceleration mechanism is in transmission connection with a rotating shaft of the power generator. In other words, one part of the speed increaser is embedded into the generator, so that the integration level of the power generation transmission device is improved, and the axial length and size of the power generation transmission device and the wind power generation equipment carrying the power generation transmission device are reduced. When wind power generation equipment is installed, the axial length of the power generation transmission device is reduced, so that the arrangement difficulty of a speed increaser in a cabin is reduced, the power generation transmission device has higher rigidity, the bending stress of the power generation transmission device is obviously reduced, and the bending deformation of the power generation transmission device can be reduced; therefore, the risks of compression deformation and damage of the internal structure of the wind power generation equipment due to insufficient rigidity of the power generation transmission device are reduced, and the service life of the wind power generation equipment is prolonged.

An electronic device (100a; 100b; 100c; 100d; or 100e) is provided. The electronic device includes a flexible display panel (110), a back plate (120), and a rotating shaft (130). The back plate (120) is disposed between the flexible display panel (110) and the rotating shaft (130); the flexible display panel (110) includes an expanding part (112 or 116) and a bending part (114) that are connected to each other, and the bending part (114) is configured to implement bending of the flexible display panel (110); the back plate (120) is provided with a first blind hole (121), and the first blind hole (121) is provided on a side of the back plate (120) and is away from the flexible display panel (110); the rotating shaft (130) is provided with a gap (131); and a surface of the flexible display panel (110) is used as a reference plane (P), and a projection of the first blind hole (121) on the reference plane (P) at least partially overlaps a projection of the gap (131) on the reference plane (P). The first blind hole (121) is provided, so that a broken bright dot, a black spot, a dead pixel, and other display detects on the flexible display panel (110) can be avoided, to improve a service life of the electronic device (100a; 100b; 100c; 100d; or 100e).

The utility model discloses a zero-buoyancy composite cable in the field of composite cables, which comprises a cable core formed by mutually twisting a power core wire, a control wire group, a signal transmission wire group and a plurality of tensile wires, and the outer side of the cable core is coated with a filling layer. A shielding layer, a waterproof layer, an elastic layer, an outer sheath and a waterproof layer are sequentially arranged on the outer side of the filling layer from inside to outside, the filling layer and the elastic layer are both made of buoyancy foaming materials, the elastic layer comprises a plurality of hollow elastic parts which are sequentially connected left and right, and a connecting part is arranged between every two adjacent hollow elastic parts. The utility model has the advantages of light dead weight and better waterproof performance.

The utility model discloses a large-diameter heavy-load cable packaging tray lifting appliance, which relates to the technical field of lifting appliances and comprises two ejector pin heads and a lifting structure. The two ejector pin heads are movably connected with the two ends of the shaft sleeve in an inserted mode respectively, clamping rings are fixedly arranged on the back-to-back sides of the two ejector pin heads and located on the outer sides of the two ends of the shaft sleeve respectively, and fillets are arranged on the inner walls of the back-to-back ends of the two ejector pin heads respectively. The hoisting structure comprises a hoisting beam, two first hoisting ropes and a second hoisting rope, the second hoisting rope movably penetrates through the two ejector pins, the two ends of the second hoisting rope are installed on the two first hoisting ropes respectively, and the upper ends of the two first hoisting ropes are installed on the hoisting beam; according to the lifting appliance, the two ejector pin heads are combined with the lifting structure for use, so that the packaging disc is prevented from deflecting in the lifting process, the uniform stress of a lifting hook of the lifting appliance is ensured, the bending stress of two side plates of the packaging disc in the lifting process is reduced, and the effect of protecting the cable packaging disc and a cable product is achieved.

The utility model relates to the technical field of pipeline supporting parts, in particular to a pipeline protection structure for pipe ditch backfilling, which comprises a base arranged at the ditch bottom of a pipe ditch; the telescopic rods are connected to the base in an inserted mode, the two sides of the pipeline are each provided with one set, and each set comprises two telescopic rods; the supporting beam is in an arc shape with an upward opening, the two ends of the supporting beam are slidably connected with the telescopic rods correspondingly, and the sliding direction is the same as the extending direction of the supporting beam. The bottom end of the insertion rod is inserted into the base, and the top end of the insertion rod is provided with an external thread; the threaded cylinder is in threaded connection with the insertion rod; the lifting ring is rotationally connected to the threaded cylinder and is in sliding connection with the supporting beam; the bottom end of the inserting rod is a tip end and penetrates through the base; the base is provided with an inserting hole for inserting the inserting rod, and a limiting block is arranged on the hole wall of the inserting hole; a limiting groove penetrating downwards is formed in the side wall of the bottom end of the inserting rod, and the limiting block is arranged in the limiting groove in a sliding and penetrating mode. The device has the effect of protecting the pipeline and reducing the stress concentration condition.