121results about How to "Guaranteed structural reliability" patented technology

The invention discloses a mini-type electromagnetism low frequency energy collector in the field of electronic component which comprises a libration pick up structure, a support structure and a micro-coil structure. The libration pick up structure comprises a metal plane spring and a permanent magnet. The metal plane spring comprises four square spirality elastic arms and a metal platform. The permanent magnet is arranged at the metal platform. The micro-coil comprises a micro-coil winding and an insulated underlay. The metal plane spring and the support structure are integrated as a whole. The libration pick up structure and the support structure are at the micro-coil. The libration pick up structure of the utility model has a natural frequency near to 100 HZ and is easy to satisfy the integrated requirements such as improvement of the low frequency energy collecting efficiency, low production cost and integrated production.

The invention discloses a continuous wave radio frequency four-level accelerator water cooling system. A water cooling pipeline is arranged in an air foil. The air foil is in a structure of a sharding. The water cooling pipeline is in a plate-box snake shape and is arranged on an abutting joint surface of the sharding of the air foil. A welding flux groove is arranged around the water cooling pipeline. Meanwhile, the invention discloses a manufacturing method for the water cooling system. The continuous wave radio frequency four-level accelerator water cooling system and the manufacturing method of the continuous wave radio frequency four-level accelerator water cooling system have the advantages that compared with a through straight line water cooling pipeline, the size of the snake-shaped water cooling pipeline is increased, the water cooling is thorough and efficiency is high. The problem of heat dissipation of a radio frequency four-level accelerator operating under the continuous wave is solved. Heat dissipation performance is greatly improved, frequency of the radio frequency four-level accelerator can be precisely controlled and stability of a beam current is guaranteed, thus acceleration performance is enabled to be effectively stabilized and improved. Tightness when the water cooling pipeline is operated for a long time in the inner portion of the air foil in an electron beam welding mode in a manufacturing process is guaranteed and high purity of oxygen-free copper materials is guaranteed. Integrity and solidity of the sharding air foil and structural reliability and working stability of the continuous wave radio frequency four-level accelerator are strengthened by brazing.

The embodiment of the invention discloses a voltage peak absorption circuit. The circuit comprises a bus peak absorption circuit, an energy feedback circuit, a protection circuit and an energy absorption circuit. The first end of the bus peak absorption circuit is electrically connected with the positive end of the output bus of a rectifier circuit. The second end of the bus peak absorption circuit is electrically connected with the negative end of the output bus of the rectifier circuit. The first end of the energy feedback circuit is electrically connected with the positive end of the outputbus of the rectifier circuit. The second end of the energy feedback circuit is electrically connected with the first end of the protection circuit and is electrically connected with the third end ofthe bus peak absorption circuit. The third end of the energy feedback circuit is electrically connected with the second end of the protection circuit. The first end of the energy absorption circuit iselectrically connected with the positive end of the output bus of the rectifier circuit. The second end of the energy absorption circuit is electrically connected with the negative end of the outputbus of the rectifier circuit. The third end of the energy absorption circuit is electrically connected with the third end of the energy feedback circuit. According to the invention, the voltage peak absorption circuit disclosed by the embodiment of the invention is simple in structure, high in absorption efficiency, high in reliability and the like. The voltage peak absorption circuit is suitablefor the voltage peak absorption of the secondary rectifier tube of a high-power-density circuit.

The invention provides a supporting system for a turbine part of a gas turbine engine. The supporting system comprises a bearing pedestal, a force bearing receiver and a plurality of force bearing supporting plates which are used for connecting the bearing pedestal and the force bearing receiver and are evenly distributed in the circumferential direction. Pneumatic blade type supporting plates are arranged outside the portions, located on an inner duct, of the force bearing supporting plates. The pneumatic blade type supporting plates are each of a cavity structure. The force bearing supporting plates are located in cavities of the pneumatic blade type supporting plates, and each pneumatic blade type supporting plate is provided with an air outlet. According to the supporting system, the portions, located in high-temperature and high-pressure gas, of the force bearing supporting plates are ingeniously provided with the pneumatic blade type supporting plates, and further, the pneumatic blade type supporting plates are arranged to be in the shape of wings; cooling gas coming from the inner cavities of the force bearing supporting plates can directly enter the pneumatic blade type supporting plates and has a cooling effect on the pneumatic blade type supporting plates; the inner sides and the outer sides of the force bearing supporting plates located in the inner cavities of the pneumatic blade type supporting plates are cooled; and besides, the pneumatic blade type supporting plates and gas located between the pneumatic blade type supporting plates and the force bearing supporting plates powerfully protect the force bearing supporting plates, and therefore the service life of the force bearing supporting plates is prolonged and the reliability of the force bearing supporting plates is improved.

The invention discloses a control rod distribution structure of a 177 reactor core. The control rod distribution structure comprises 61 bundles of control rods, wherein the 61 bundles of control rods are divided into 8 groups, namely a group R, a group G1, a group G2, a group N1, a group N2, a group SA, a group SB and a group SC; the group R comprises temperature adjusting rods; the group G1, the group G2, the group N1 and the group N2 comprise power compensation rods; the group SA, the group SB and the group SC comprise shutdown rods; each of the group G1 and the group G2 is composed of grey body control rods; and the other groups are composed of black body control rods. According to the control rod distribution structure, the quantities of the temperature adjusting rods, the power compensation rods and the shutdown rods are set, the temperature adjusting rods, the power compensation rods and the shutdown rods are reasonably grouped, and space positions of all the control rods are optimized, so that an enough shutdown allowance is provided for the 177 reactor core by adopting the 61 bundles of control rods under the condition that holes in a top cover of a pressure container are not increased; and the shutdown allowance meets the safety requirements of annual reloading and 18-month reloading.

The invention discloses an assembled light-steel and light-concrete shear-wall-structure house system, and belongs to the technical field of buildings. Light wall boards, and light wall boards and steel columns of the house system are assembled to form wall bodies of a house; a plurality of light floor slabs are assembled to form floors and roofs of the house; the wall bodies, the floors and the roofs are mutually connected through steel beams arranged at storeys to form the shear-wall-structure system of the house, two pieces of light wall board edge thin-wall section steel of each light wall board are oppositely arranged to define a section steel border with closed assembling edges and hollowed-out corresponding parts of an inner wall surface and an outer wall surface in an encircling mode, and light concrete of the wall boards is poured into the section steel border; and the inner wall surface part and the outer wall surface part of the board bodies formed by the light concrete of the wall boards protrude 10-15 mm from the section steel border on the edges of the board bodies. The house system is heat-insulation, environment-friendly, short in construction period and low in manufacturing cost, a steel structure and a shear wall structure are combined together, so that better anti-seismic property is achieved. On the premise that the stress requirement is met, the thicknesses of the wall boards and the floor slabs are smaller, and the usable area of the house is increased.

The invention discloses a shielding hood for hot-line work. The shielding hood comprises a first body and a second body, wherein the first body and the second body are respectively arranged at two sides of a wire pole; and reinforcing plates are arranged in the first body the second body. In the assembling and using processes, the first body and the second body can provide rigid structure protection and shield to related electric transmission and distribution line assemblies; meanwhile, the structural strength of main body parts of the first body and the second body can be significantly improved by the reinforcing plates; the structure reliability of the first body and the second body and the support and shield effects of the related electric transmission and distribution line assemblies are ensured; and meanwhile, the overall structural strength of the shielding hood for hot-line work and the protection intensity and the shield effects on other electric transmission and distribution line assemblies are correspondingly improved.

The invention provides a cylindrical battery. The cylindrical battery comprises a cylinder, a central tube, a winding cell, a positive electrode cover plate and a negative electrode collector plate. The central tube is arranged in the cylinder, the winding battery core is wound on the central tube, and the positive electrode cover plate comprises a main body and a positive electrode limiting column arranged in the middle of the main body; the main body is connected with the cylinder, at least one part of the positive electrode limiting column is arranged in one end of the central pipe in a penetrating manner, and a liquid injection hole is formed in the positive electrode limiting column; the liquid injection hole is communicated with a cavity in the central tube, and the liquid injection hole and the cylinder are coaxially arranged; the negative electrode collector plate is arranged in the cylinder and comprises a plate body and a negative electrode limiting column arranged in the middle of the plate body, and at least one part of the negative electrode limiting column is arranged in the other end of the central tube in a penetrating manner. By adopting the scheme, the position of the liquid injection hole can be quickly positioned, so that the liquid injection and sealing efficiency is improved; moreover, the positive electrode cover plate and the negative electrode collector plate can be accurately positioned, so that the assembly efficiency is improved, and the assembly quality and the structural reliability are ensured.

The invention discloses a heat exchanger assembly. The heat exchanger assembly comprises a flat pipe and a water tank; multiple microholes are formed in the flat pipe; and the thickness of the hole walls, near one side of the water tank, of the microholes is smaller than the thickness of the hole walls, far from one side of the water tank, of the microholes. In the assembly use process, as all the microholes adopt the structures with thinner hole walls near one side of the water tank, the heat exchange efficiency between the microholes and the water tank is greatly improved, the heat dissipating capacity between the flat pipe and the water tank is correspondingly increased, and the total heat exchange efficiency of the heat exchanger assembly is effectively improved; and in addition, as the hole walls, far from one side of the water tank, of all the microholes are thicker, the total structural strength of the flat pipe is correspondingly improved, and the total structure reliability of the heat exchanger assembly is guaranteed. The invention further discloses a water heater applying the heat exchanger assembly.

The invention discloses a medical patch fixing pin capable of automatically bending and fixing and belongs to the field of medical devices. The medical patch fixing pin disclosed by the invention comprises an implanting part and a bending part; the bending part is arranged at the tail of the implanting part; the bending part is provided with at least two bending arms; the bending arms which are adjacent in a circumferential direction are connected together by a connecting structure in a way of being close to the center; and the bending arms have bending stresses for automatically stretching and bending outwards after the connecting structure is disconnected or separated. By adopting the medical patch fixing pin, the connecting structure between the adjacent bending arms is disconnected orstripped by virtue of a machine in a fixing pin shooting process, so that the bending arms bend to fasten a medical patch, and the medical patch is stably fixed together with human tissue; moreover, the fixing pin with the structure is convenient to continuously shoot by virtue of the machine, so that the problem that an existing medical patch fixing pin is difficult to continuously shoot is solved, surgical operations are further facilitated, the operation time is shortened, and meanwhile, the long-term monopoly of foreign countries on the medical patch fixing pin is broken.

The invention discloses a broken rail roller coaster capable of presenting a platform type vertical falling. The broken rail roller coaster capable of presenting a platform type vertical falling comprises a tower frame (1), wherein an input part rail (2) is arranged on one side of the tower frame (1), an output part rail (3) is arranged on the other side of the tower frame (1), the output part rail (3) is lower than the input part rail (2), the tower frame (1) is provided with a lifting sliding support (4) which can connect the input part rail (2) and the output part rail (3) in a butt joint mode and can transfer a roller coast body (100) on the input part rail (2) to the output part rail (3) in a motion mode of free vertical falling, and the tower frame (1) is also provided with a driving device (5) which drives the rising of the lifting sliding support (4). The broken rail roller coaster capable of presenting a platform type vertical falling is diverse in playing method and is more stimulating.

The invention discloses a rice transplanting mechanism provided with an eccentric gear train and used for a rice transplanter. The rice transplanting mechanism comprises a case with certain accommodating space, a transmission shaft perpendicularly inserted into the case, rice seedling separating mechanisms arranged at two ends of the case and the eccentric gear train arranged in the case, wherein the eccentric gear train comprises an eccentric driving wheel located at the center of the case, two eccentric driven wheels arranged on two sides of the eccentric driving wheel and eccentric drive gears arranged on the outer sides of the eccentric driven wheels; the eccentric driving wheel, the eccentric driven wheels and the eccentric drive gears are radially arranged in the case in a line and mutually meshed, and the transmission shaft penetrates through the case to be connected with the eccentric driving wheel. The rice transplanting mechanism has the benefits that the structure of the mechanism can be simplified at the utmost when the finished product rate and the efficiency of rice seedling transplanting are ensured, and the structure reliability of the rice transplanting mechanism is sufficiently guaranteed.

The invention relates to a steel beam column module building structure system and a construction method thereof.H-shaped steel columns in the steel beam column module building structure system are arranged with the strong axis direction as the length direction of a module and the weak axis direction as the width direction of the module, webs of the H-shaped steel columns are parallel to the width direction of the module, and flanges of the H-shaped steel columns are parallel to the length direction of the module; webs of the H-shaped steel beams are vertically arranged and are connected with the H-shaped steel columns to form a square gate-type plane steel frame, and a plane formed by the H-shaped steel beams and the steel columns is parallel to the webs of the two kinds of H-shaped steel, so that the plane steel frame has high rigidity. The H-shaped steel beam columns are adopted in the module structure, a larger operation space is provided for module installation, the module beam columns can be directly connected in a welded mode, long bolt sleeve connecting devices or self-fixing bolt connecting devices are adopted for connecting joints between module units, traditional connecting corner fittings do not need to be adopted, the area of construction operation holes can be reduced, and the construction efficiency is improved. And installation of the connecting assembly is facilitated.

The invention discloses an unscrewing mold stripping mechanism, comprising an ejection part, and an auxiliary guide part in cooperative connection with the ejection part, wherein the auxiliary guide part is arranged outside a mold and comprises a guide rail and a pull rod, and the ejection part comprises an ejection block; one end of the pull rod is in cooperative with the guide rail while the other end thereof is connected with the ejection block; a guide surface of the guide rail is an S-shaped structure and drives the pull rod to move upwardly along the guide rail when the ejection block is ejected, and the pull rod left and right moves in a perpendicular direction of the guide rail in order to rebound or eject the ejection block and complete mold stripping on an unscrewing surface of the product. The unscrewing mold stripping mechanism is mainly installed on the complex mold of the molded product; in mold stripping, the right and side of the product is ejected to contract inward and reset the molded product, and thus a product mold stripping difficulty is solved; the auxiliary guide part is installed outside the mold, so that the mold is simplified in structure, optimized in mold size, reduced in development cost and ensured in product quality when reliability of the mold structure is ensured.

The invention discloses a climbing rod grappler. The climbing rod grappler comprises a main pipe body with a bent structure which is adapted to the outer peripheral surface of an electric rod; the main pipe body is provided with a connection rod; a limiting end matched with the connection rod is arranged at the outer end part of the main pipe body; a pedal plate is arranged at the outer end part of the connection rod; a foot fixing belt is arranged on the pedal plate; a sliding-proof cushion which is fitted and matched with the peripheral surface of the electric rod is arranged at the inner side of the inner end part of the main pipe body. When the climbing rod grappler is assembled and used, a worker can reliably fix the foot fixing belt and his own feet through pedaling the pedal plate, and the sliding-proof cushion can be tightly fitted with the peripheral surface of the electric rod in a later working process; meanwhile, the friction force between the climbing rod grappler and the peripheral surface of the electric rod is effectively increased, and reliable structure supporting force and stability are provided for an electric rod climbing process of an operator, so that relative line work can be carried out safely and reliably.

The invention provides a vehicle rear-floor frame structure, a vehicle body and a vehicle. The vehicle rear-floor frame structure comprises a pair of longitudinal beams and a cross beam assembly, wherein the cross beam assembly enables the longitudinal beams to be connected with each other. The cross beam assembly comprises a first cross beam, a second cross beam, a third cross beam, a first longitudinal beam set and a second longitudinal beam set, wherein the first cross beam, the second cross beam and the third cross beam are arranged at intervals, the first longitudinal beam set connects the second cross beam with the third cross beam, and the second longitudinal beam set extends towards a vehicle head from the third cross beam. The first longitudinal beam set comprises two first branched longitudinal beams arranged in a spaced mode, the second longitudinal beam set comprises two second branched longitudinal beams arranged in a spaced mode, and the second branched longitudinal beams and the first branched longitudinal beams are arranged in a one-to-one correspondence mode so as to be located on the same straight lines. The vehicle rear-floor frame structures are installed on the vehicle body and the vehicle. According to the vehicle rear-floor frame structure, the structural strength and the reliability of the frame structure at a rear floor can be guaranteed, the rigidity and the bending resistance of the cross beams can be improved, the constancy of a vehicle body force transferring channel can also be guaranteed, and the integral mode of the vehicle rear floor can be improved.

The invention discloses a construction method of a simply-supported transfer beam steel-structure connecting bridge in an existing curtain wall building. The construction method comprises the steps that (1) an existing building structure is analyzed; (2) bracket buried plates are installed on an existing frame column; (3) simply-supported transfer beams are installed; (4) a sliding hinge support of a newly built structure is installed; (5) a steel structure of the connecting bridge is installed; (6) the steel structure is detected; (7) floor slabs of a steel beam frame are installed; (8) concrete is poured; and (9) stone is paved and guard rails are installed. The construction method is standard and systematic, and the simply-supported transfer beams are arranged additionally on the existing curtain wall building, so that the steel-structure connecting bridge is provided with a stable support; and the construction structure of the construction method is stable, the structure of the existing building is strengthened, structural columns of the existing building are tied, and the effect is good.

The invention discloses a top cover for an air conditioning outdoor unit. The top cover comprises a body, wherein a plurality of reinforcing ribs extending in the width direction are arranged on the body, the reinforcing ribs protrude out of the upper surface of the body in the thickness direction of the body, and the widths of the middles of the reinforcing ribs are smaller than those of two ends of each reinforcing rib. In the assembly and usage process, the structural rigidity of the top cover is effectively improved through mutual matching of the reinforcing ribs formed through stamping on the body, the compression resistance and impact resistance capacities of the top cover are correspondingly improved, meanwhile the reinforcing ribs with protruding structures can further ensure the overall structural reliability of the top cover, and accordingly the top cover can meet the treading and stacking transportation demands under the extreme operating condition. In addition, the structural strength of the reinforcing ribs with the dumbbell-shaped reducing structures are higher, stress distribution uniformity between the middle and the edge portion of the body can be further ensured, and accordingly the whole structure of the top cover can be more stable and reliable. The invention further discloses the air conditioning outdoor unit applying the top cover.

The invention provides a compound elastic cantilever type gas turbine supporting ring vibration reduction and impact-resistance assembly, and relates to a compound elastic cantilever type vibration reduction and impact-resistance assembly device. The purpose of the assembly is to provide a vibration reduction assembly in a turbine supporting ring structure assembly to achieve the function of vibration reduction and meanwhile require good impact-resistance performance so that a turbine rotor is effectively protected and the transmission of rotor vibration excitation is separated. The radial deformation of rotor supporting is controlled, the dynamic and static clearance is small, and the impact and rubbing of turbine rotor blades are prevented. The assembly includes an adjusting ring, a spherical shaft sleeve, a nut, a compression part, a compensator shell body, a screw cap, a group of ring-shaped thin plate, a pipe connecting ring and a guide supporting column. The spherical shaft sleeve, the adjusting ring, the ring-shaped thin plate and the nut are arranged on the outer side wall of the pipe connecting ring in a sleeving mode, the nut is sleeved with an inner ring of the compression part, the screw cap is arranged on the inner side wall of the compensator shell body, an outer ring of the compression part is located between the screw cap and the ring-shaped thin plate, and theguide supporting column is arranged between the compensator shell body and the pipe connecting ring. The assembly is applied to the field of shock resistance and buffering.