32results about How to "Effectively disperse stress" patented technology

The invention provides a spinal fixation device, and belongs to orthopaedic implants. The spinal fixation device comprises a bone lamella and screws, lamella holes are formed in the upper surface and the lower surface of the bone lamella in a penetrating mode, and the screws can be matched with the lamella holes. When the spinal fixation device is used, the screws penetrate through the lamella holes to fix the bone lamella on the bone, operation is easy, fixing is firm, and bone healing is facilitated.

The invention discloses an OLED display panel and a display device having the same. The non-display area of ​​the OLED display panel includes an encapsulation part encapsulated by an encapsulation layer and an edge part not encapsulated by the encapsulation layer, and the edge part includes a flexible substrate, an inorganic layer and The organic layer, the inorganic layer is arranged on the flexible substrate, the edge of the inorganic layer has a plurality of dams and a plurality of grooves, the organic layer is arranged on the inorganic layer, and at least covers the plurality of dams and fills the plurality of grooves, the organic layer The surface on the side away from the inorganic layer is formed to be non-planar. The OLED display panel according to the present invention has reliable packaging and long service life.

The invention belongs to the technical field of welding, and relates to a hot processing method for improving the elongation of a heat-treatable strengthened aluminum alloy fusion welding joint. The method includes the steps that at first, two heat-treatable strengthened aluminum alloy workpieces to be welded are fixed to a welding tool without cushion plate; and backing welding is conducted through direct-current helium-arc tungsten inert gas (TIG) welding, a first layer of cosmetic welding is conducted through variable-polarity pulse TIG welding, and finally a second layer of cosmetic welding is conducted through variable-polarity pulse TIG welding, so that welding of the two heat-treatable strengthened aluminum alloy workpieces to be welded is completed. According to the method, the second layer of cosmetic face is added, and by designing the technical parameters and dimension parameters, the tensile strength of the welding joint additionally provided with the second layer of cosmetic face is effectively improved, and the elongation is improved by 40%.

The invention discloses a ridge-shaped cutting tooth, which comprises a cylindrical body, and is characterized in that: the upper end of the body is provided with a tooth end surface, the outer edge of the upper end is provided with a tooth top surface, and the side wall is provided with a tooth flank. The tooth end surface includes at least two oblique intersecting transition surfaces. Each transition surface meets the upper surface of the body to form an outwardly convex tooth end surface. The intersection of two adjacent transition surfaces forms a convex ridge. The outer end of one of the convex ridges is connected to The top surfaces of the teeth meet, and the side surfaces of the teeth include two offset wedge surfaces respectively arranged on both sides of the convex ridge that meets the top surface of the tooth. A sharp ridge is formed, and the lower end of the partial wedge surface extends to the side wall of the body or the bottom surface of the body. The present invention can effectively disperse the stress of the cutting teeth during rock breaking by setting the sharp ridges, improve the impact resistance of the cutting teeth, and the sharp ridges can effectively wedge into the formation, effectively release the formation stress, and improve the rock breaking efficiency.

The invention discloses a supporting base structure which at least covers the surface of a to-be-connected mechanism partially. The to-be-connected mechanism is provided with a fixing hole used for fixing. The supporting base structure comprises a supporting frame and a fixing base arranged on one side of the supporting frame. The supporting frame at least comprises a fixing side wall which is provided with a through fixing hole. The fixing base is provided with a connecting portion and a limiting plate. One end of the connecting portion is fixed to the supporting frame, and the other end of the connecting portion is connected with the limiting plate. The limiting plate is provided with a through fixing hole. The fixing hole in the to-be-connected mechanism, the fixing hole in the fixing side wall and the fixing hole in the limiting plate are distributed in the manner of forming one straight line. A fixing shaft is inserted into the three fixing holes to be fixed.

The invention discloses a high-frequency connector. The high-frequency connector comprises an insulating body, a contact terminal, a grounding lug and a shielding case. The insulating body comprises a base and a tongue plate, the front end surface of the tongue plate is recessed backwards to form an inserting slot, and the contact terminal is exposed inside the inserting slot; the grounding lug is arranged corresponding to the front part of the inserting slot and on the front side of the contact terminal; the ground lug comprises a base plate part, a plurality of first spring pieces, a plurality of second spring pieces and a plurality contact protrusions, wherein the first spring pieces, the second spring pieces and the contact protrusions are integrally formed from the base plate part through stamping; every first spring piece is provided with a first elastic butting part, which is protruded towards the inserting slot and exposed inside the inserting slot,, and the first spring piece is provided with a second yielding through slot communicating the upper surface and the lower surface of the base plate part; every second spring piece is suspended inside the corresponding second yielding through slot; the contact protrusions are formed between every two neighboring two first spring pieces; the shielding case wraps the outer surface of the tongue plate; the second spring pieces and the contact protrusions are pressed by the shielding case and electrically abut against the inner wall of the shielding case to effectively disperse stress of the grounding lug during insertion and extraction and further to avoid deformation of the first spring pieces due to overlarge stress.

The invention relates to a display panel, comprising a pixel definition layer, a cathode and a filling structure; the cathode is covered on the pixel definition layer; a plurality of grooves are formed on the pixel definition layer, and the filling structure is formed of an inorganic material; the filling structure is located on the groove, and is configured to be in contact with the cathode. The pixel definition layer is provided with grooves and filled with a filling structure formed of inorganic materials. On the one hand, when the display panel is impacted or bent, the grooves and the filling structure can effectively disperse the stress; on the other hand, the filling structure is formed of inorganic materials. The pixel definition layer and the cathode have better binding force, and the adhesion of the cathode is improved compared with the conventional design where the cathode relies on the van der Waals force between it and the pixel definition layer. In this way, the cathode is effectively prevented from being broken or separated from the organic light-emitting layer, and the reliability of the OLED display panel's bending resistance and drop impact strength is effectively improved. Also provided are a manufacturing method of the display panel and a display device.

The invention discloses an epitaxial structure of an LED and a manufacturing method of the epitaxial structure, and belongs to the technical field of semiconductors. The epitaxial structure comprisesa sapphire substrate, and a composite structure, a gallium nitride buffer layer, a non-doped gallium nitride layer, an N type semiconductor layer, an active layer and a P type semiconductor layer laminated on the sapphire substrate respectively; the composite structure comprises (n+1) first sub layers and n second sub layers, n represents a positive integer, and the (n+1) first sub layers and n second sub layers are laminated alternatively; and each first sub layer is an aluminum nitride layer, and each second sub layer is an alumina layer. The aluminum nitride layers and the alumina layers are laminated alternatively on the alumina sapphire whose main component is alumina, the crystal lattice characteristic is changed from transition from alumina to aluminum nitride to dispersion from oneinterface to the whole composite structure, the influence of abrupt change of a crystal lattice constant is changed, a stress generated by crystal lattice mismatch is dispersed effectively and avoided from being too concentrated, and the crystal quality of an active layer and the like formed subsequently can be improved.

A slewer of an ocean platform crane comprises a bearing device, a rotating body and a driving device. The bearing device comprises a supporting ring body and fixing pieces which are installed on the outer side of the supporting ring body. The rotating body comprises an annular sleeve and two supporting arms; the annular sleeve is vertically installed at the top of the supporting ring body; first reinforcing rib plates are arranged between the inner sleeve wall and the outer sleeve wall of the annular sleeve and vertically distributed with an inner sleeve as the axis in a central symmetry mode; the two supporting arms are connected to the two sides of the annular sleeve correspondingly and are parallel to each other; the rear end of each supporting arm is of a triangular column structure; the outer side faces of the two triangular column structures are parallel to each other; and the supporting arms and the annular sleeve are of an integrated structure. The driving device is installed on the outer side of the bottom of the rotating body and used for driving the rotating body to move rotationally with the supporting ring body as a rotating shaft. The slewer of the ocean platform crane can effectively disperse the stress effect and is higher in overall strength and bearing capacity and more balanced and stable in stress.

The invention provides an assembled linear leaf spring for a refrigeration compressor, comprising an outer fixed washer for installation and positioning, an inner fixed washer, and at least two cylindrical spring arms with the same structure; the center of the inner fixed washer is provided with a In the shaft hole on the piston shaft of the refrigeration compressor, there are not less than two first spring arm installation grooves evenly distributed on the periphery of the inner fixed washer for installing one end of the cylindrical spring arm; The base of the refrigeration compressor is fixed to the installation hole, and the periphery of the outer fixed washer is provided with no less than two second spring arm installation grooves evenly distributed for installing the other end of the cylindrical spring arm. The assembled linear leaf spring for refrigeration compressors of the present invention is applied in refrigeration compressors, and can be freely disassembled. The characteristic curve of the force-deformation of the spring is linear, which meets the linear force requirements of the axial direction of the piston shaft of the linear compressor. The arm can effectively disperse the stress, have a longer service life, and improve the overall reliability of the compressor.

The invention discloses a modern low-rise assembled house structure and an assembly method, and relates to the technical field of building construction. Including polystyrene insulation board, support assembly, first mesh, second mesh, first reinforcement cage assembly, formwork, second reinforcement cage assembly and connection assembly, the support assembly includes support rods, clamping plates and positioning cylinders , the surface of the support rod is movably provided with a protective sleeve, and the surface of the protective sleeve is movably connected with the inside of the polystyrene insulation board. By setting the supporting components and connecting components, the supporting components can play the role of auxiliary support formwork, ensuring the flatness of the base layer after the wall is poured and avoiding the subsequent leveling work of the base layer. The first mesh and the second mesh can effectively Disperse the stress in the concrete layer and have a good anti-cracking effect. Combined with the concrete to naturally form a crack-resistant, earthquake-resistant, and shear-resistant wall structure, it is in line with economic benefits.

The present invention relates to the technical field of diesel engines, in particular to a diesel engine flywheel housing, comprising a flywheel housing housing, the flywheel housing housing includes a bottom surface and a side wall surrounding the bottom surface, the rear end of the side wall is connected to the bottom surface, and the bottom surface It is integrally formed with the side wall, and the bottom surface and the side wall form a cavity for accommodating the flywheel. The front end of the flywheel shell shell is provided with a ring of dust-proof mesh positioning ring, and the bottom surface of the flywheel shell is provided with reinforcing ribs, which are integrally formed with the bottom surface of the flywheel shell. The present invention significantly improves the strength of the flywheel shell through the design of the flywheel shell structure and the casting process of the flywheel shell, the design of the rib structure effectively disperses the stress, significantly reduces the stress concentration, and improves the bearing capacity and reliability of the flywheel shell. When the flywheel shell is cast, nickel powder and niobium-titanium alloy are added to the iron powder to increase the strength and toughness of the pig iron. Abrasivity improved by 10‑12% compared to before treatment.

The invention provides an oil tank truck supporting device. The oil tank truck supporting device comprises two supporting legs, two supporting plates fixed to the two supports respectively, a connecting base fixed to the two supporting plates, a reinforcing frame connected with the two supporting legs and connected to the bottom of the connecting base in an abutting mode, two inner supporting plates located between the two supporting plates, and two outer supporting plates located on the outer sides of the two supporting plates respectively. The connecting base comprises a base, brackets fixed to the two ends of the base respectively, and an arc-shaped base plate fixed to the base and the brackets. The base is fixed to the two supporting plates. The reinforcing frame comprises a transverse rod connected with the two supporting legs, and two auxiliary rods fixed to the two sides of the transverse rod respectively. The ends, away from the transverse rod, of the auxiliary rods are connected to the bottom of the base in an abutting mode at the same time. One ends of the inner supporting plates are fixed to the supporting plates, and the other ends of the inner supporting plates are connected to the bottom of the base in an abutting mode. One ends of the outer supporting plates are fixed to the supporting plates, and the other ends of the outer supporting plates are connected to the bottoms of the brackets in an abutting mode. Compared with the prior art, the oil tank truck supporting device has the advantages that the stress on the bottom of the tank is effectively dispersed and the risk factor of rupture of the tank is low.