33results about How to "Reduce lateral stress" patented technology

The present invention discloses a wobble-disk type slide valve flow-distributing axial plunger pump (motor). It mainly includes the following several portions: front cover, shell body, cylinder body, driving shaft, wobble disk, plunger and flow-distributing shaft. Said invention also provides the concrete structure of the above-mentioned every portion and the connection mode of all the above-mentioned portions. Besides, said invention also provides the working principle of said plunger pump and its concrete operation method.

A stay-on-tab container closure suitable for use on beverage cans and the like, said closure including an center panel with an downwardly displaceable tear panel, which, in one aspect, has a smooth upper surface having no visually perceptible contour features, and which, in another aspect, has low-relief contour features on its upper surface. Closures according to the invention have reduced stresses across the score defining the tear panel, thereby reducing the likelihood of stress-induced fatigue cracking which can lead to score failure when the container closure is joined to a can body and the resulting can is internally pressurized.

A system for relieving lateral stress on rods within a wellbore. A flexible sucker rod coupling has a top connecting member threadedly attached to a ball shank housing. The ball shank housing houses in a ball and socket fashion, a ball shank which extends out of the ball shank housing, defining a swivel gap to allow swivel movement. The ball shank is threadedly attached to a lower connection member. Both ends of the coupling threadedly attaches to an adjacent sucker rod within the wellbore. The ball shank is secured to the ball shank housing to ensure that the ball shank and the ball shank housing rotate together.

A wire rope tension grid is a walking surface comprised of interwoven wire rope. The wire rope is supported by a framework of steel angle and tubing. The framework is supported by mounts that are hung from the support beams in the ceiling of a structure, often a performing art center, a television studio, a black box theater, museum dioramas, theme park scenes, live animal pens, or other entertainment venues. These grids are not intended for public usage, but rather are intended for operation staff. New improvements to these grids are listed in this document.

The present invention relates to a connector-incorporated multi-core optical fiber with a high optical transmission spatial density and with an excellent bending property. An intermediate region of a fiber body of the connector-incorporated multi-core optical fiber is a region located between bundle sections in which a plurality of optical fibers are integrated by a coupling material, and the coupling material is removed in part from this intermediate region, thereby to expose parts of the respective optical fibers located in the intermediate region.

A wire rope tension grid is a walking surface comprised of interwoven wire rope. The wire rope is supported by a framework of steel angle and tubing. The framework is supported by mounts that are hung from the support beams in the ceiling of a structure, often a performing art center, a television studio, a black box theater, museum dioramas, theme park scenes, live animal pens, or other entertainment venues. These grids are not intended for public usage, but rather are intended for operation staff. New improvements to these grids are listed in this document.

The invention discloses a vibration reduction device of mechanical equipment. Top bases are fixedly welded to the four corners of the bottom of a supporting base correspondingly, stable supports are arranged below the lower parts of the bottoms of the top bases, the top bases and the stable supports are fixedly connected through vibration reduction springs, vibration reduction air cylinders are fixedly connected to the middles of the top ends of the stable supports, and vibration reduction plug rods are installed at the positions, corresponding to the vibration reduction air cylinders, of themiddles of the bottom ends of the top bases. According to the vibration reduction device, through the top bases, the stable supports, the vibration reduction springs, the vibration reduction air cylinders and the vibration reduction plug rods, traditional vibration reduction springs are combined with the vibration reduction air cylinders and the vibration reduction plug rods for use, so that the vibration reduction effect of the supporting base in the vertical direction is further improved through the vibration reduction air cylinders and the vibration reduction plug rods during vibration reduction of the vibration reduction springs, meanwhile, a protective cover and an elastic band can shield and protect the outer sides of the vibration reduction springs, the vibration reduction air cylinders and the vibration reduction plug rods, and the vibration reduction springs, the vibration reduction air cylinders and the vibration reduction plug rods are prevented from being damaged by external environment factors.

The invention discloses a wide face copper plate of a sheet billet hopper-shaped crystallizer and based on a transition curve and a manufacturing method. According to the wide face copper plate, the transition curve and a circular curve are adopted, combined and connected to form a transverse curve on the basis that a billet shell solidification contraction and deformation mechanism is taken intoaccount, and therefore the situation that the transverse curvature of a cast billet continuously changes is guaranteed, and the transverse stress of a billet shell is reduced; and a hyperbolic taper curve is adopted by a longitudinal curve, and the change of the curvature of the portion nearby the meniscus face is large so that the requirement for the taper of the portion nearby the meniscus facecan be preferably met. The wide face copper plate of the sheet billet hopper-shaped crystallizer and based on the transition curve has the advantages that the design of the transverse curve and the longitudinal curve conforms to the solidification contraction rule of the cast billet, and therefore the stress of the cast billet is conveniently reduced, the generation probability of cracks of the cast billet is reduced, and the requirement of the high casting speed for the copper plate of the sheet billet crystallizer is met.

The invention discloses a cooling and spraying header for steel strips between rolling mill frames and a mounting structure thereof. The cooling and spraying header comprises a collecting pipe and multiple nozzle pipes; the collecting pipe is a section of axial symmetry curve represented by the central axis thereof and cut from a conical curve; the ratio of the length of the collecting pipe alongthe symmetric axis to the opening width is 0.05-0.25; and the multiple nozzle pipes are arranged along the projected side of the collecting pipe, and are inclined to one side of the plane of the central axis of the collecting pipe, so that an included angle alpha between the central axis in outlets of the nozzle pipes and the plane of the central axis of the collecting pipe is 15-60 degrees. During mounting, two sets of cooling and spraying headers are adopted, and are mounted at the upper parts and the lower parts of the steel strips; and the symmetric axes of the cooling and spraying headersand the middle lines of steel plates are on the same vertical surface. The problems of nonuniform distribution of the transverse temperature of the steel strips and quicker edge temperature drop canbe solved.

The invention discloses a steel structure building integral construction system, and belongs to the technical field of steel structure building construction. The system comprises a connecting main body; one side of the connecting main body is provided with a connecting member; the connecting member is movably connected with a limiting mechanism of an inner cavity of the connecting main body through a clamping mechanism; both sides of the inner cavity of the connecting main body are provided with a plurality of supporting mechanisms; and an extrusion sleeve is clamped between the connecting member and the clamping mechanism. According to the steel structure building integral construction system, a clamping seat rotates to drive clamping plates at the two sides and a groove to rotate to thebottom of a clamping ball, and a protruding block can make contact with the clamping ball to be clamped and fixed at the moment, so that the clamping seat can be clamped and limited, the transverse width of the rotated clamping seat is larger than the transverse width of a connecting shell and the extrusion sleeve, and axial tension can be absorbed by the clamping seat at the moment; and meanwhile, the protruding block at the bottom of the clamping ball can be extruded and limited, so that the clamping stabilizing effect of a connecting frame can be remarkably improved, the connecting frame can be quickly assembled, and the overall use requirement is met.

The invention relates to the technical field of computers, in particular to a computer server cabinet system which comprises a cabinet body and a shock isolation platform used for supporting the cabinet body. The interior of the cabinet body is divided into a containing cavity and an independent cavity, a set of stand columns are symmetrically welded to the inner walls of the two ends of the containing cavity, and lap joint frames are attached to the stand columns; a water tank is placed in the cabinet body and located below the independent cavity, and a water adding hole is formed in the top of the water tank. The shock isolation platform comprises a supporting base, vertical shock isolation assemblies are installed at the four corners of the bottom of the supporting base, and each vertical shock isolation assembly comprises a top base, a stable support, a shock isolation spring, a shock isolation air cylinder, a shock isolation plug rod and a protection cover. Water-cooling heat dissipation is adopted, the interior of the water tank is divided into the cooling box and the transition box through the overflow plate, the interior of the cooling box is cooled through the semiconductor chilling plate, and meanwhile the shock isolation effect of the cabinet body can be improved.

The invention discloses a metal part code pressing mechanism capable of adjusting letters. The metal part code pressing mechanism comprises a hydraulic cylinder. A telescopic rod of the hydraulic cylinder is vertically downward. The lower end of the telescopic rod is fixedly connected with a mounting seat through a flange, a first mounting plate and a second mounting plate are fixedly connected tothe lower surface of the mounting seat, the first mounting plate is located at the left end of the lower surface of the mounting seat, the second mounting plate is located at the right end of the lower surface of the mounting seat, the first mounting plate is parallel to the second mounting plate, and the first mounting plate and the second mounting plate are both vertical to the lower surface ofthe mounting seat. The metal part code pressing mechanism has the beneficial effects that the technical effect of automatically converting codes is achieved through a servo motor, the structural design is reasonable, and the structural losses of the device are effectively reduced.

The disclosure provides an independent support of outlet system in a steam reformer furnace. The thermal expansion of the firebox and / or header box that occurs during operation of a reformer is decoupled from the manifold. The manifold is supported independently on a separate saddle support that supports and allows the manifold to move, while the manifold is still substantially enclosed in the header box. The header box is allowed to expand thermally into different configurations without forcing a substantial change in the manifold configuration. Further, the present invention allows the transfer lines coupled to the manifold through connection tees to laterally move the manifold and reduce lateral stress on the manifold. Thus, the invention provides for independent support of the manifold that allows vertical, lateral, and longitudinal thermal expansion of associated components without overstressing the manifold and causing failures.

The invention discloses a key structure. The key structure comprises a bottom plate, a first actuating part and a key cap; the first actuating part is arranged on the bottom plate, is combined with the key cap and is used for enabling the key cap to movably reciprocate perpendicular to the bottom plate in the actuating direction. One of the first actuating part and the key cap is provided with a first slot; and the other one of the first actuating part and the key cap is provided with a first plug. The first plug is arranged in the first slot in a penetrating mode in the direction parallel tothe actuating direction. One of the first slot and the first plug includes at least one first projection that projects outwardly perpendicular to the actuation direction and is conformally engaged with the other of the first slot and the first plug. And on the premise of achieving a good interference clamping effect, the risk of bursting due to overlarge transverse stress when the slot and the plug are combined is effectively reduced.

The invention discloses a silicon controlled rectifier module with a sieve-aperture-shaped low-stress copper lead electrode, and an assembling method for the silicon controlled rectifier module. The silicon controlled rectifier module comprises a metal bottom plate, a ceramic copper-coated plate substrate, a chip and a copper inner lead electrode piece. The contact surface of the copper inner lead electrode piece and the chip is provided with one or more hollow-out long-strip and circular sieve apertures. A leading-out part of the copper inner lead electrode piece is provided with one or more stress buffering bent parts. The copper inner lead electrode piece is directly welded with a cathode, thereby improving the quick heat dissipation capability of the chip, and improving the load capability of a product. The contact surface of the copper inner lead electrode piece and the chip is provided with one or more hollow-out long-strip and circular sieve apertures, thereby reducing the lateral stress between the copper inner lead electrode piece and the chip, improving the reliability of the product on the basis of high heat dissipation, reducing the workflow, and improving the efficiency. The leading-out end of the copper inner lead electrode piece and the chip is provided with one or more stress buffering bent parts, thereby reducing the stress of the product, and improving the reliability of the product.

The invention discloses a wide face copper plate of a sheet billet hopper-shaped crystallizer and based on a transition curve and a manufacturing method. According to the wide face copper plate, the transition curve and a circular curve are adopted, combined and connected to form a transverse curve on the basis that a billet shell solidification contraction and deformation mechanism is taken intoaccount, and therefore the situation that the transverse curvature of a cast billet continuously changes is guaranteed, and the transverse stress of a billet shell is reduced; and a hyperbolic taper curve is adopted by a longitudinal curve, and the change of the curvature of the portion nearby the meniscus face is large so that the requirement for the taper of the portion nearby the meniscus facecan be preferably met. The wide face copper plate of the sheet billet hopper-shaped crystallizer and based on the transition curve has the advantages that the design of the transverse curve and the longitudinal curve conforms to the solidification contraction rule of the cast billet, and therefore the stress of the cast billet is conveniently reduced, the generation probability of cracks of the cast billet is reduced, and the requirement of the high casting speed for the copper plate of the sheet billet crystallizer is met.

The embodiment of the invention discloses a connector for power equipment, and the connector comprises an insulating installation cylinder for a cable to pass through, and the outer side of the insulating installation cylinder is provided with an elastic outer cylinder which rotates around the insulating installation cylinder, and the interior of the insulating installation cylinder is provided with a plurality of groups of rope supporting mechanisms which are distributed at equal intervals. One end of each rope supporting mechanism is connected with a corresponding node at the front end of the elastic outer cylinder, and the multiple rope supporting mechanisms in the insulating installation cylinder are matched with the elastic outer cylinder to form a crossed wire ring structure used forflexibly supporting a cable; the insulating installation cylinder is arranged at a cable interface of power equipment for a cable to pass through; and the crossed wire ring structure for supporting the cable is arranged in the insulating installation cylinder, so that the transverse stress generated at the joint of the cable and the power equipment can be reduced, large-amplitude bending generated by the local part of the cable is changed into small-amplitude bending in a larger area, and an insulating layer is prevented from being broken due to overlarge local bending of the cable.

The invention provides a touch display composite layer, a flexible display screen and electronic equipment. The touch display composite layer comprises a display layer structure and a touch layer structure which are stacked in sequence. The touch layer structure comprises an elastic substrate layer and a touch functional layer formed on the elastic substrate layer; the elastic substrate layer comprises a body and a buffer part arranged on the surface of the body, the surface of the buffer part comprises a buffer surface connected with the surface of the body, and an included angle is formed between the buffer surface and the surface of the body. The touch display composite layer disclosed by the invention has relatively high bending reliability.

The invention discloses a cooling and spraying header for steel strips between rolling mill frames and a mounting structure thereof. The cooling and spraying header comprises a collecting pipe and multiple nozzle pipes; the collecting pipe is a section of axial symmetry curve represented by the central axis thereof and cut from a conical curve; the ratio of the length of the collecting pipe alongthe symmetric axis to the opening width is 0.05-0.25; and the multiple nozzle pipes are arranged along the projected side of the collecting pipe, and are inclined to one side of the plane of the central axis of the collecting pipe, so that an included angle alpha between the central axis in outlets of the nozzle pipes and the plane of the central axis of the collecting pipe is 15-60 degrees. During mounting, two sets of cooling and spraying headers are adopted, and are mounted at the upper parts and the lower parts of the steel strips; and the symmetric axes of the cooling and spraying headersand the middle lines of steel plates are on the same vertical surface. The problems of nonuniform distribution of the transverse temperature of the steel strips and quicker edge temperature drop canbe solved.