12results about How to "Reduce bending stress" patented technology

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 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 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 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 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.

The utility model discloses a glass fiber plying device which comprises a base and a plying mechanism arranged on the base, and the plying mechanism comprises a rotating column, a first rotating disc, a second rotating disc, a third rotating disc, a supporting ring, a pay-off assembly, a tension adjusting assembly and a wire gathering ring. A first supporting plate, a second supporting plate and a third supporting plate are sequentially arranged on the base from left to right, the wire gathering ring is arranged on the first supporting plate, the rotating column is rotationally arranged on the second supporting plate and the third supporting plate, and the first rotating disc is arranged at the end of the rotating column and located between the first supporting plate and the second supporting plate. A first threading hole is formed in the first rotating disc, and the second rotating disc and the third rotating disc are sequentially connected to the rotating column in a sleeving mode from left to right and located between the second supporting plate and the third supporting plate. The utility model relates to the technical field of glass fiber processing, in particular to a glass fiber stranding device which is provided with a tension adjusting mechanism and enables glass fibers not to be prone to breakage.

The utility model relates to the technical field of curtain wall construction, and discloses a curtain wall supporting device which comprises a supporting seat, four connecting frames are integrally arranged on the supporting seat, turning parts are rotatably arranged in the connecting frames, connecting and fixing assemblies are rotatably arranged on the surfaces of the connecting frames in a sleeved mode, the ends of the connecting and fixing assemblies and the turning parts are installed, and the connecting frames are fixedly connected with the supporting seat. A connection claw is rotationally arranged on the turning piece and installed on the glass curtain wall. The curtain wall supporting device solves the problems that in the prior art, due to the fact that most structures of point type supporting devices are integrally-manufactured claw-shaped structures, when part of curtain walls generate slight radian along with the appearance design condition of a building, due to the limitation of the fixed structures of the supporting devices, the supporting devices are affected by a tiny included angle generated by installation deviation between the adjacent curtain walls, and the curtain walls cannot be supported. And in the supporting process, bending stress can be continuously generated on the fixed curtain wall, so that the curtain wall becomes fragile, and the situation that the curtain wall is prone to cracking under the pushing of wind power is avoided.

The utility model discloses a wire lead -down support, including cable lead -down structure, the one side installation of cable lead -down structure is on the cross separation of iron tower, cable lead -down structure includes bottom plate subassembly, connecting plate subassembly, support plate subassembly, connecting plate subassembly is obliquely installed in one end of bottom plate subassembly, and the other end of bottom plate subassembly is equipped with lead -down hole, and lead -down hole is equipped with lead -down wire insulator string, and overhead line cable is connected with lead -down wire insulator string, bottom plate subassembly and connecting plate subassembly are bolted connection with the adjacent cross separation of iron tower respectively, and support plate subassembly is obliquely arranged on bottom plate subassembly, and the other side of support plate subassembly is connected with connecting plate subassembly, the cable lead -down structure of the application adopts the collaborative design of bottom plate subassembly, connecting plate subassembly and support plate subassembly, need not welding or complex reconstruction, is applicable to the iron tower structure of different specifications.