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411results about How to "Reduce deformation effects" patented technology

Load-shedding type rigid culvert structure

InactiveCN103952986AReduce the maximum bending momentRelieve pressureGround-workLoad SheddingStress distribution
The invention relates to the technical field of geotechnical engineering and road engineering, and particularly discloses a load-shedding type rigid culvert structure, which comprises a foundation, culvert side walls, a culvert top plate, load-shedding blocks and load-shedding holes, wherein the load-shedding blocks are positioned just above the culvert side walls, and form an integral structure together with the culvert side walls, the load-shedding holes are positioned between the two load-shedding blocks just above a culvert, and the interior of each load-shedding hole is filled with light-weight flexible material. The culvert structure has the advantages that after the structure is adopted, the construction and operation are easy and convenient, and the implementation is easy; the pressure of soil at the top of the culvert is obviously reduced, and the problem of cracking of the culvert is effectively solved; one part of load at the top of the culvert is transferred into the surrounding soil through the soil arch effect at the top of the culvert, the other part of load is transferred to the foundation through the culvert side walls, and then the vertical compressive capability of the culvert side walls is fully realized; the maximum bending moment of the culvert side walls is effectively reduced, and the stress distribution of the culvert is more reasonable; the stress asymmetry of the culvert is effectively reduced, and the separation and cracking of the connecting part of the top of the culvert and the side wall are avoided; the load-shedding effect is obviously improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Organic electroluminescent device containing capping layer and application thereof

The invention relates to an organic electroluminescent device containing a capping layer. The organic electroluminescent device containing the capping layer comprises a substrate layer, a first electrode, an organic light emitting functional layer, a second electrode and the capping layer, wherein the first electrode is located on the substrate; the organic light emitting functional layer is located on the first electrode; the second electrode is located on the organic light emitting functional layer; and the capping layer is located on the second electrode, the capping layer comprises an organic compound, the organic compound of the capping layer contains different types of heteroarylamines and has higher glass transition temperature and molecular thermal stability. Low absorption and high refractive index in the visible light field are achieved, and the light extraction efficiency of an OLED device can be effectively improved after the organic electroluminescent device is applied toa CPL layer of an organic light Emission diode (OLED) device. The invention further relates to the application of the organic electroluminescent device containing the capping layer for display or lighting equipment.
Owner:JIANGSU SUNERA TECH CO LTD

Zero-drive chain digital control gear hobbing machine

The invention discloses a numberical control hobbing machine with zero transmission, which comprises a machine body, a main shaft system, a hobbing cutter feeding and angle adjusting system and a control system; the main shaft system comprises a functional part of a hobbing cutter main shaft and a functional part of work-piece main shaft part; the functional part of the hobbing cutter main shaft is an integration of the rotator of the servo motor I and the hobbing cutter main shaft, and the functional part of the work-piece main shaft is an integration of the rotator of the servo motor II and the work-piece main shaft. The numberical control hobbing machine of the invention can remove the manufacturing errors of transmission component of generating motion and the influence on gear process caused by space and assembly error, is able to greatly improve process accuracy and process speed of machine tool. The numberical control hobbing machine of the invention has simple structure, is able to improve overall rigidity of machine tool, solves the wearing problem caused by mechanical transmission chain, improves the retentivity of precision, causes the hobbing speed to be higher than the numberical control hobbing machine with traditional structure, shortens milling time as well as based on which, the hobbing machine is provided with the machine tool conditions required by dry type hobbing through adopting a series of matching technical measures.
Owner:CHONGQING UNIV

Novel longitudinal magnetic coil structure of vacuum arc extinguishing chamber

The invention discloses a novel longitudinal magnetic coil structure of a vacuum arc extinguishing chamber. The novel longitudinal magnetic coil structure is characterized by comprising a coil (1), wherein the opening end of the coil (1) is the lower part; the bowl bottom end of the coil (1) is the upper part; two or more than two grooves (2) are arranged above the coil (1); the grooves (2) are connected with inclined grooves (3) on the side wall of the coil (1); the inclined grooves (3) rotate upwards along the circumference of the coil (1); and the surface at the lower part of the coil (1) is an complete ring. According to the novel longitudinal magnetic coil structure, the completeness of the coil is maintained by changing the grooves on the coil; the strength of the coil is enhanced; the transformation is reduced; the influence on the shape transformation caused by the welding is reduced; the influence that a contact resistance is a little large due to the shape transformation is avoided; and moreover, the reliability in positioning is improved by changing the positioning mode of a contact and the coil; and the assembling is simpler, more convenient and faster; and the quality of the vacuum arc extinguishing chamber is improved.
Owner:中国振华电子集团宇光电工有限公司(国营第七七一厂)

Single defective product removing and supplementing-pasting mechanism and method for die cutting tape

The invention relates to the technical field of waste discharge of a die cutting tape, in particular to a single defective product removing and supplementing-pasting mechanism and method for the die cutting tape. The mechanism comprises a tape linear conveying device, a film tearing and waste discharging device and a good product supplementing-pasting device; the tape linear conveying device is used for conveying the tape and sending a defective product position to the film tearing and waste discharging device and the good product supplementing-pasting device; the film tearing and waste discharging device is used for discharging waste by adopting an adhesive tape pasting method; and the good product supplementing-pasting device is used for supplementing and pasting a good product at the original defective product position. The single defective product removing and supplementing-pasting mechanism for the die cutting tape is used for automatically removing a defective product of the rolled die cutting tape and then automatically supplementing and pasting a good product on the tape, two tasks of removing the defective product and supplementing and pasting the good product can be completed at a time, the tape does not need to be repeatedly rolled so that the deformation influence on a tape product can be small, and therefore the time for removing the defective product and supplementing and pasting the good product can be greatly shortened, the productivity can be greatly improved, the manpower requirement can be lowered, a plurality of mechanisms can be managed by one person, and the mechanism is an excellent partner of product inspection equipment.
Owner:SHENZHEN HADESHENG PRECISION TECH

Measuring method of coupling relation of human body upper limb shoulder glenohumeral joint rotation center and upper arm lifting angle

The invention discloses a measuring method of the coupling relation of the human body upper limb shoulder glenohumeral joint rotation center and the upper arm lifting angle. The measuring method comprises the steps of acquiring human body shoulder joint motion data, wherein mark point motion blocks are fixed to the scapula and the humerus, and six mark points are fixed to the 7 th cervical vertebra, the 8 th thoracic vertebra, the jugular notch, the xiphoid, the lateral epicondyle and the medial epicondyle of the human body to obtain motion information of corresponding bones; building a shoulder motion model, wherein the scapula and the humerus are used as a rigid body respectively, and based on rotation geometric knowledge, a kinematic model of which the rotation center is unchanged relative to the adjacent rigid body pose is built; solving the coupling relation of the glenohumeral joint rotation center and the lifting angle, wherein since the joint center is unchanged relative to themark point pose of the adjacent rigid body, regression parameters are obtained, then the instantaneous position of the rotation center is obtained, and thus the coupling relation of the lifting angleand the rotation center is obtained. The measuring points are bond or fixed to the human body through a flange, deformation is reduced, calculation is simple, and measurement is accurate.
Owner:BEIJING UNIV OF TECH

Fully hydraulic reverse circulation drilling machine

The invention provides a fully hydraulic reverse circulation drilling machine, which comprises a walking mechanism, a chassis assembly, a work table frame assembly, a main frame, a main frame turning oil cylinder, a swinging rod assembly, a winch assembly, a drill pipe, a dismounting device, a hydraulic system, a power take-off assembly, an impact drill bit, a rotating wing drill bit, a power assembly and an oil cylinder pulley assembly. A diesel engine or electric power is used for driving; hydraulic motors and oil cylinders are used as executing mechanisms; and the whole process operation of the drilling machine is realized through a hydraulic transmission and control system. The two hydraulic motors and a gear reducer are used for forming a power head to drive a drilling tool to rotate; the hydraulic motors adopt a serial connection or parallel connection mode; and the drill pipe realizes different rotating speeds and can adapt to different-geological-condition and different-hole-diameter operations. The oil cylinders are used for controlling the oil pipe feeding and lifting the drilling tool, so that the power head can vertically move along with the drilling tool and can realize floating, suspension stop and pressurized drilling; the drill pipe can be automatically dismounted and mounted; and the impact drill bit and the rotating wing drill bit are used for realizing the hole drilling of holes with the hole diameter being 2 to 3m and the hole depth exceeding 200m in the pebble bed, the hard rock stratum and the stratum containing large-diameter rock blocks.
Owner:王乐康
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