9results about How to "Reduce excessive deformation" patented technology

The invention relates to the technical field of compressor pistons, in particular to a wear-resistant compressor piston which comprises a piston body, a piston pin and a bush, and a pin hole penetrating through the piston body is formed in the piston body; the lining is arranged in the pin hole, and the piston pin is rotationally arranged in the lining; when the piston body moves downwards to suck air, a pull-down stress area is formed on the side wall of the pin hole. When gas is compressed upwards, pressure is formed on the side wall of the pin hole and serves as an upward pushing stress area. The pull-down stress area and the push-up stress area are milled; the lining is made of copper; the lining is provided with extension parts corresponding to milling in shape, silicon nitride cylinders are distributed in the extension parts respectively, and a ceramic layer is arranged on the side face of the lining; according to the invention, copper with good ductility is combined with the silicon nitride cylinder, the self-lubricating effect and the supporting effect of the silicon nitride cylinder are utilized on the inner surface of the extension sleeve bushing, and the supporting effect of the silicon nitride cylinder is utilized when the extension sleeve bushing extends to a milling part; and through the ceramic layer, accumulated deformation generated by the bushing can be reflected, and once the bushing is broken, a maintainer knows that the bushing is replaced.

The invention, which relates to the technical field of electrical element manufacturing, discloses a bionic dry adhesion mechanism comprising a rack and two adhesion mechanisms arranged symmetrically. The adhesion mechanism comprises a tangential micro-displacement mechanism, a moving seat, a sensing assembly and an adhesion pad; the tangential micro-displacement mechanism is arranged on the rack; the output end of the tangential micro-displacement mechanism can drive the moving seat to be close to or far away from the other adhesion mechanism; the sensing assembly comprises a force sensing element and a distance sensing element; the force sensing element is fixedly arranged at the lower end of the movable seat; the distance sensing element is fixedly arranged at the lower end of the force sensing element; the adhesion pad is fixedly arranged below the distance sensing element; an array type wedge-shaped bristle bundle used for adhering a target object is fixedly arranged on the adhesion pad; the force sensing element can sense tangential force and normal force; the direction of the tangential force is parallel to the adhesion surface of the adhesion target object, and the normal force is perpendicular to the adhesion surface of the adhesion target object. Flexible adhesion to the target object can be achieved, the adhesion effect is guaranteed, and the carrying safety of the target object is improved.

This invention relates to a leaf spring elastic support for a balance suspension, comprising an upper mounting base and a lower mounting base, which are longitudinally fitted together. A spring mounting position is provided circumferentially on the upper mounting base, with the spring portion mounted vertically within the mounting position. The upper mounting base is fixed to a pre-tightened frame via an intermediate connecting part to provide vertical vibration damping. The vertical mounting of the spring portion, combined with the special structures of the upper and lower mounting bases, such as conical mounting surfaces and cylindrical support structures, effectively resists horizontal forces and tensile forces, preventing performance degradation or failure of the support under complex stress environments. Simultaneously, this design enhances the structural strength of the support and extends its service life.

The invention relates to the field of fireproof roller shutters, in particular to an intelligent hydrometallurgy extraction separation section fire extinguishing system which comprises a fire hazard robot automatic patrol system, a fire hazard and automatic fire disposal system and a pollutant collection system in the fire disposal process. The fire hazard and automatic fire disposal system comprises a rail type fire extinguishing robot and a fireproof roller shutter isolation fire extinguishing device, the fireproof roller shutter isolation fire extinguishing device comprises a roller shutter mechanism applied to the periphery of a hydrometallurgy extraction tank, and the roller shutter mechanism comprises a frame, a first shutter piece and a second shutter piece. The upper portion of the first curtain piece and the upper portion of the second curtain piece are each fixedly connected with a winding drum which is arranged on the frame and can rotate. The first curtain piece and the second curtain piece are unfolded through the winding drum, multi-layer protection is formed, a cooling space is created, meanwhile, the rail type fire extinguishing robot is activated according to fire behaviors, flame spreading is stopped, a fire disaster is extinguished, and the rail type fire extinguishing robot is particularly suitable for scenes with fire hazards in adjacent areas such as a hydrometallurgy extraction line.

The invention relates to an OLED (Organic Light Emitting Diode) display screen packaging structure in the field of semiconductor devices, through a lower anti-torsion layer made of an organic film material and an upper anti-torsion layer made of an inorganic film material, when an OLED display screen is twisted, the anti-torsion capability of the OLED display screen is improved by utilizing staggered teeth made of the inorganic film material and the organic film material which are distributed in a staggered manner in the circumferential direction; mechanical damage and even tearing of the OLED display screen are reduced, so that the torsion-resistant layer composed of the lower torsion-resistant layer and the upper torsion-resistant layer has good torsion resistance and water and oxygen barrier ability; meanwhile, the staggered teeth distributed in the circumferential direction in a staggered mode are horizontally connected in series and fixed through the inner shaping layer provided with the horizontal series connection strips, the integrity of the torsion-resistant layer composed of the lower torsion-resistant layer and the upper torsion-resistant layer is improved, and the torsion-resistant capacity and the water and oxygen blocking capacity are further improved through the outer blocking layer wrapping the outer side of the inner shaping layer; and the situation that the edge of the OLED display screen is prone to torsion mechanical damage and edge warping tearing is reduced.

The invention discloses a wire drawing device for varnished wire production, and belongs to the technical field of varnished wire processing.The wire drawing device for varnished wire production comprises a supporting bottom frame, a coil outlet mechanism is fixedly installed on one side of the top of the supporting bottom frame, and a straightening mechanism is fixedly installed on the other side, close to the coil outlet mechanism, of the top of the supporting bottom frame; a wire drawing mechanism is fixedly installed in the center of the top of the supporting bottom frame, and a feeding frame is fixedly connected to the position, close to the front end of the wire drawing mechanism, of the top of the supporting bottom frame. By designing the positioning and ejecting mechanism and the fixing mechanism, all the mechanisms are matched with one another, the winding drum is automatically discharged, a new winding drum is automatically fed, manual operation of workers is not needed, the labor cost is greatly reduced, and meanwhile the wire drawing efficiency is improved.

The utility model provides a high-strength vacuum furnace disc type corrugated pipe, which relates to the technical field of corrugated pipes, and comprises a pipe body, the pipe body adopts a double-wall structure, a lining layer is arranged in the pipe body, a corrugated structure is arranged outside the pipe body, a metal spiral wire is arranged in the pipe body, and the corrugated structure, flexible salient points and the metal spiral wire are matched to form the corrugated pipe. The metal spiral wire is arranged in the pipe body, so that during use, the axial tensile strength and compressive strength of the pipe body are enhanced, the pipe body is prevented from being excessively deformed or broken when bearing axial tensile force or pressure, and meanwhile, the multiple sets of flexible convex points are located on the side of the corrugated structure to be arranged at intervals in a staggered mode, so that the tensile strength and the compressive strength of the pipe body are improved. According to the corrugated pipe, the pipe body and the corrugated structure can be moderately deformed when being pressed, part of external force is absorbed, stress concentration of the corrugated structure is reduced, meanwhile, stress distribution of the corrugated structure is conveniently improved, the anti-fatigue performance of the corrugated structure is improved, and the overall strength and durability of the corrugated pipe are effectively improved.

The invention provides a tool clamp for mechanical design, which belongs to the technical field of machining clamps, and comprises a clamp body base, and a positioning element, a clamping device and a guide device which are arranged on a workpiece on the base. The workpiece positioning element comprises a supporting plate used for placing and positioning a workpiece and a supporting nail used for limiting the degree of freedom of the workpiece in the horizontal direction. According to the clamping device, a corner oil cylinder drives a rotary pressing plate to act so that the workpiece can be firmly fixed to the base in the machining process. According to the guide device, a boring die support is connected with a clamp body base through a positioning pin and a hexagon head bolt, and then a boring sleeve, a bushing for the boring sleeve and a boring sleeve screw are connected with the boring die support. All components are manufactured separately, the overall structure is simple and compact, installation is easy, meanwhile, the clamping device uses the corner oil cylinder and the rotary pressing plate, the problems that an existing tool clamp is difficult in workpiece disassembly and assembly, and workpieces are prone to shaking in the machining process are solved, and the machining efficiency and machining precision of the workpieces are better improved through a hydraulic clamping mode.