41results about How to "Improve vibration and shock resistance" patented technology

The invention discloses a high-speed modular connector. A plug comprises a plug shell. At least one accommodating cavity and a plurality of through holes are arranged in the plug shell. A signal pin module is arranged in each accommodating cavity. A socket comprises a socket shell. The number of accommodating grooves therein matching the number of accommodating cavities is arranged in the socket shell. A boss of the socket shell is provided with jacks therein communicating with the accommodating grooves. Each accommodating groove is provided with a signal jack module therein connected with the corresponding signal pin module in a plug-in manner. After the plug and the socket are assembled together, radio frequency connecting members are mounted in the through holes and the jacks communicated with each other. Each signal pin module includes a base and a pin assembly having a plurality of pin blocks. Each base is provided with a plurality of rows of mounting holes. Each pin block is plugged into one row of mounting holes. Each signal jack module comprises a base body having a plurality of plug-in holes and a jack assembly plugged into the plug-in holes. Each jack assembly comprises a plurality of rows of signal jacks. Each row of signal jacks is connected with one pin block in a plug-in manner, and each row of signal jacks is fixedly connected by one fixing block.

A rechargeable battery including: an electrode assembly that includes a positive electrode, a negative electrode, and a separator interposed therebetween; a case to house the electrode assembly; a cap assembly that is coupled to an opening of the case and electrically connected with the electrode assembly; and an insulating member that is installed between the case and the electrode assembly. The insulating member includes a body disposed on the electrode assembly and a rib that extends from the body and contacts the case.

The invention provides a multi-wavelength high-power semiconductor laser light source system. The multi-wavelength high-power semiconductor laser light source system comprises a plurality of semiconductor lasers which output different wavelengths and are arranged in a centralizing manner, wherein the front ends of the light-emitting surfaces of the semiconductor lasers are in sealed and fixed connection with optical waveguides which can output laser beams after the laser beams are subjected to perfect reflection by the optical waveguides. According to the invention, lasers of the semiconductor lasers are outputted after the lasers are subjected to perfect reflection by the optical waveguides, each semiconductor laser can be individually controlled, and the wavelengths of the lasers are different, thus the outputted multiple wavelengths can have excellent uniformity; and in addition, the multi-wavelength high-power semiconductor laser light source system has the advantages of simple realization for process, high / low temperature resistance for optical components and parts, and greatly-enhanced and more reliable capabilities in resistance to shock and vibration.

The invention discloses a rammer release device of a dynamic compactor. The rammer release device of the dynamic compactor comprises a lifting frame and a lifting hook. A lifting block is installed inside the lifting frame. The lifting hook comprises a hook handle section at the upper portion and a hook holding section formed by notching the lower portion of the lifting hook. A connecting frame is hinged to the lower end of the lifting frame. The lower end of the connecting frame is hinged to the middle of the lifting hook. A rammer release device is hinged to the middle of the connecting frame and comprises a rammer release steel wire rope and a transverse frame extending out of the connecting frame. One end of the transverse frame is hinged to the middle of the connecting frame. The other end of the transverse frame is fixedly connected with the head end of the rammer release steel wire rope. The tail end of the rammer release steel wire rope winds around the upper end of the lifting frame. A stop shaft is installed at the position, corresponding to the hook handle section, of the middle of the transverse frame. The transverse frame is hinged to the connecting frame through a hinge pin. Compared with a traditional rammer release device of the dynamic compactor, the rammer release device of the dynamic compactor has the advantages that the structure is simple, the opening degree is large, a rammer can be hooked conveniently, and working efficiency of workers is improved. According to the rammer release device of the dynamic compactor, the lifting frame and the lifting hook are connected through the connecting frame, so that the free height of the rammer release device is decreased effectively, and rammer release reliability is improved.

The invention relates to a spot welding technology of a photomultiplier lead, particularly adapts to the photomultiplier spot welding technology with high demands for vibration-proof ability and shock resistance. The technology is as follows: the photomultiplier lead contacts with a part to be welded in a parallel manner, spot welding is adopted at the contact site for connection, welding spots are at least two, then a soft nickel plate is covered outside the contact site, and finally spot welding is performed to the soft nickel plate and the part to be welded, or the both ends of the soft nickel plate are lapped and spot welding is performed at the lapping site. By using the spot welding technology, the fastness of spot welding is significantly increased, the vibration-proof ability and shock resistance of the entire device can be improved on the basis of effectively ensuring that dark current is not increased, and the range of application of the products is broadened.

Provided is a contactor polarized magnetic circuit structure comprising a magnetic conductive cover, armatures, an electromagnetic component and yoke iron. The electromagnetic component comprises a setting coil set, a magnetic steel set, a reset coil set and pole shoes which are superposed from the top to the bottom. The pole shoes are fixed in hollow cavities of the setting coil set, the magnetic steel set and the reset coil set, and the middle parts are provided with guiding cavities. The magnetic steel set comprises an internal magnetic conductive coil, a magnetic steel piece and an external magnetic conductive coil which are fixedly connected from inside to outside in turn. The magnetic steel piece is made of permanent magnet materials. The armatures are arranged in the guiding cavities of the pole shoes and can move upwardly and downwardly in the guiding cavities along an axial direction. The magnetic conductive cover is covered on the electromagnetic component and the yoke iron from the top to the bottom, and the top wall of the magnetic conductive cover is clung to the top surface of the setting coil set. The internal side wall of the magnetic conductive cover and the external circumferential wall of the external magnetic conductive coil and the external circumferential wall of the yoke iron are matched in an interference way so that a closed magnetic circuit is formed. Therefore, maintenance force of the product in the state is greatly enhanced and mechanical environment adaptability of the product is provided.

The invention is concerned with storage battery fortified by glass fiber reinforced resin and production. Each single battery connects with others by conductive connecting piece and they are reinforced by resin composites. The resin composite contains reinforced material being one or some of glass fiber, carbon fiber, aramid fiber or PVA fibers with super-large molecular weight. The resin material for reinforcing is thermoset resin containing epoxy resin, unsaturated polyester resin, phenolic resin or vinyl ester resin. Wind each battery with fiber and cover the top of battery with module, pour with thermoset resin and heat to solidify and connect each single battery with conductive connecting piece. The battery has better capability to bear vibration, speedup and impaction to solve a problem for security and low cost to battery.

The invention discloses a composite vibration damping method for a ruggedized computer mainboard. The mainboard is installed on a mainboard fixing frame, a vibration damping element is installed between the mainboard and the mainboard fixing frame, and primary vibration damping of the mainboard is achieved; the mainboard fixing frame is installed on a case, a vibration damping element is installed between the mainboard fixing frame and the case, and secondary vibration damping of the mainboard is achieved; tension is applied between the mainboard and the mainboard fixing frame, when the mainboard gets closer to the mainboard fixing frame, the tension becomes larger, direct contact between the mainboard and the mainboard fixing frame is avoided, and tertiary vibration damping of the mainboard is achieved. Compared with the prior art, according to the composite vibration damping method for the ruggedized computer mainboard, the vibration and impact resistance of the ruggedized computer mainboard can be effectively improved, and therefore the reinforcing reliability of a whole computer is improved; the method has the advantages of being simple in structural design, small in occupied space, wide in application range, low in cost and the like, and is high in practicality and easy to popularize.

The embodiment of the invention provides a resistivity Logging tooL. The resistivity Logging tooL comprises a driLL coLLar and a resistivity Logging exciting device which is instaLLed on the driLL coLLar; the resistivity Logging exciting device comprises an exciting coiL and a cover assembLy which is arranged on the outer cyLindricaL surface of the driLLer coLLar, the cover assembLy and the outercyLindricaL surface of the driLL coLLar form a chamber, the exciting coiL is arranged in the chamber, and an insuLating seaLant is arranged in the chamber. Thus, the probLem is soLved that in the useprocess of an existing resistivity Logging tooL, due to the factors of poor insuLating seaLing performance, downhoLe vibration impact and the Like, the measurement effect is affected.

The invention discloses a circular socket connector capable of reliably conducting parts of contact elements and a shell. Two sides of a first contact element (13) are set into a first connection part; the other side of the first contact element (13) is set into a first welding end (133) after being bent; the surface of the first connection part is provided with a first barb (132); the head part (131) of the first connection part of the first contact element (13) and the first barb (132) are inserted into a first mounting hole (111); the tail part of the first connection part and the first welding end (133) are positioned on the outer part of the first mounting hole (111); one side of a second contact element (14) is set into a second connection part; the other side of the second contact element (14) is set into a second welding end (143) after being bent; the head part (141) of the second connection part and a second barb (142) are inserted into a second mounting hole (112); and the tail part of the second connection part and a second welding end (143) are positioned on the outer part of the second mounting hole (112).

The embodiment of the invention provides an automobile, a battery module and a manufacturing process thereof, and relates to the technical field of batteries. The battery module comprises a battery cell assembly, a busbar, an end plate assembly, a shell assembly and a filling body, the end plate assembly is connected with the shell assembly to define a cavity, the battery cell assembly is arrangedin the cavity and electrically connected with the busbar, and the filling body is at least filled between the busbar and the battery cell assembly, at least wraps a tab of the battery cell assembly and is used for supporting and positioning the tab. The manufacturing process provided by the embodiment of the invention is simple and good in integrity, and is beneficial to improving the vibration impact resistance in the use process.

The invention provides an air conditioning housing and a cabin air conditioning, the air conditioning housing comprises a bottom plate and a plurality of upright posts, wherein the edges of the bottomplate are bent toward a first side direction of the bottom plate to form a first folded edge, the upright posts are arranged in a first side direction of the bottom plate, and the first ends of the upright posts are fixedly arranged on the first folded edge. according to the air conditioning housing and the cabin air conditioning provided by the invention, As that column and the bottom plate areadopt to form the frame welding form-, the frame strength of the whole machine is ensured to be reliable, At that same time, the water receiving pan and the bottom plate are design as a whole, - the space inside the unit is greatly released, -the height of the evaporator is increased, - the reliability of high-temperature operation is improved, resistance to vibration and shock is improved, the air conditioning housing solves the problem of insufficient size space on the vehicle, greatly improves the utilization ratio of the limited size of the unit, improves the environmental adaptability while ensuring the strength, and also improves the assembly efficiency of the whole unit.

The invention relates to a laser gyro embedded shaking mechanism, which comprises a laser resonant cavity, a sleeve, an upper shaking mechanism, a lower shaking mechanism, piezoelectric ceramics and fastening screws. Wherein, the inner cylindrical surface of the blind hole on the laser resonator cavity and the outer cylindrical surface of the sleeve are pasted together, and the sleeve and the upper shaking mechanism are connected by screws. The connection between the bottom surface of the upper shaking mechanism and the top surface of the lower shaking mechanism is fastened by the central screw. The upper shaking mechanism processes the step through hole, the lower shaking mechanism processes the stepped threaded hole, the bottom surface of the upper shaking mechanism processes the key, and the lower shaking mechanism top The keyway is processed on the surface, and the relative movement of the two parts is limited after assembly, and the angle between the spokes of the two parts is 90°; the lower shaking mechanism is fixed on the shell by fastening screws through the through hole. Piezoelectric ceramics are pasted on both sides of the spokes of the up and down shaking mechanism. On the premise of ensuring the performance of the laser gyroscope, the invention makes the structure compact by embedding the shaking mechanism into the resonant cavity, and realizes the miniaturization of the laser gyroscope.

The invention provides a waterproof shock-absorption road surface structure and a construction method thereof. The structure of the road surface comprises a surface layer, a base layer, a drainage underlayer and a road bed from top to bottom; a waterproof shock-absorption functional layer is arranged between the surface layer and the base layer; the waterproof layer, the base layer and the drainage underlayer are separated naturally; and a water-permeable filter layer is arranged between the drainage underlayer and the road bed. The construction method is realized by arranging the road bed, the water-permeable filter layer, the drainage underlayer, the waterproof layer, the base layer, the waterproof shock-absorption functional layer and the surface layer from bottom to top. The road surface structure can effectively prevent the damage of the road surface and the road bed by the water on road surface and the underground water; meanwhile, the road surface structure has good shock absorption function and remarkably prolongs the actual service life of the road.

The invention discloses a one-dimensional fast control reflector comprising a reflective lens, an outer frame and an actuator mechanism. The outer frame is an integrally formed structure and comprisesa base, two lens frames, and a lever mechanism. The base has a longitudinal side panel and two horizontal side panels. One end of each of the two horizontal side panels is connected to the lever mechanism by a first flexible hinge. The lens frames are connected to the horizontal side panels by second flexible hinges, and are connected with the displacement amplifying output end of the lever mechanism by first flexible connectors. One end of the actuator mechanism is fixedly connected with the longitudinal side plate, and the other end of the actuator mechanism cooperates with the displacementinput plate of the lever mechanism. The reflector further comprises a capacitive micro-displacement sensor. The capacitive micro-displacement sensor comprises a movable polar plate reflecting the rotation and the deflection of the reflector, and first and second polar plate assemblies under the reflecting lens and achieving differential sensing. The reflector can improve vibration resistance andimpact resistance, and is low in overall height and large in deflection angle.

The invention relates to a high-density plug connector with a bent tail accessory. The high-density plug connector with the bent tail accessory comprises a plug and a bent tail accessory matched withthe plug, wherein the plug and the tail accessory achieve fixation and adjustment of a cable outgoing angle through a positioning ring and a pin. The connector is simple in structure, compact in size,high in contact density and small in occupied space, and can meet the use of any required cable outgoing angle.

The invention belongs to the field of magnetic confinement fusion (MCF) technologies, and particularly relates to an ultrahigh vacuum sealing flange structure for a non-circular channel of a large Tokamak vacuum chamber. The structure comprises a concave flange, a convex flange and a connecting pipe. Two matched 90-degree sealing steps are machined on the inner sides of the opposite end faces of the concave flange and the convex flange, and a copper wire ring is placed between the two sealing steps, so that a gap is reserved between the concave flange and the convex flange in the axial direction; and the concave flange and the convex flange are connected through a double-end threaded pin or a double-end stud. By means of the structural mode that the oxygen-free copper wire is compressed through the 90-degree sealing steps, the ultrahigh vacuum sealing requirements of non-circular channel window flanges of different shapes can be met, and the machining and maintaining difficulty of thesealing face of a non-circular window is reduced.

The invention discloses a low-cost miniature projection system based on LEDs and lenses and aims to solve the problems that an existing projection system is low in light energy utilization rate, low in electro-optical conversion efficiency, complex in structure, many in components, large in size, high in cost, difficult in radiating, and the like. The low-cost miniature projection system comprises a light source, a shaping lens, a digital micro-mirror device, a projection lens and an absorption body and is characterized in that the system does not comprise a color wheel, a dichroscope and a light guide tube, and the three-color LEDs replace the role of the color wheel of a traditional projection system in a lighting system. The low-cost miniature projection system has the advantages that the optical structure of the projection system is simplified, the problems of color wheel optical loss, excessively high system temperature and the like of the traditional system are solved, optical energy utilization rate is increased, radiating difficulty is lowered, and the evenness of effective projection area is increased.

The invention discloses a method for improving the strength of a ruggedized computer plastic structural member and a plastic structural member and belongs to the field of ruggedized computers.The method aims to produce a non-mold plastic structural member on the premise that machining cost is low, machining efficiency is high and plastic strength is improved.According to the technical scheme, the method comprises the steps of 1, forming grooves in the surface, with a thin wall, namely poor strength, of the non-mold plastic structural member, and forming a limiting slot in each groove; 2, installing a depression bar in each groove obtained in the step 1, and machining a limiting boss on the inner surface, matched with the corresponding groove, of each depression bar.The plastic structural member is obtained with the method, a circle of grooves are formed in the surface of one side of the plastic structural member, a plurality of limiting slots are formed in the bottoms of the grooves, and the depression bars are arranged in the grooves.

A low-energy-consumption rotation driving apparatus for a satellite-borne microwave switch is disclosed. The low-energy-consumption rotation driving apparatus comprises first driving magnetic steels (6) and the like; a rotor spacer (5) is fixed on the upper surface of a circular disc at the bottom of a rotor shaft (4); the first driving magnetic steels (6) and second driving magnetic steels (7) are connected with the rotor spacer (5) and are mounted in a groove in the circular disc at the bottom of the rotor shaft (4); a first reed driving rod (9) is mounted in the middle of a first reed (10), and perpendicular to the first reed (10); first reed magnetic steel (8) is mounted in the first reed driving rod (9); a second reed driving rod (12) is mounted in the middle of a second reed (13), and perpendicular to the second reed (13); second reed magnetic steel (11) is mounted in the second reed driving rod (12); and a first reed group (2) or a second reed group (3) is arranged under each first driving magnetic steel (6) or each second driving magnetic steel (7) respectively. According to the low-energy-consumption rotation driving apparatus, the energy consumption of the microwave switch driving system is lowered, and the operating stability of the microwave switch is improved.

The invention discloses an anti-vibration and shock transformer, comprising a shell, a silicon steel sheet group, a coil, a skeleton, a primary lead that is positioned on the upper skeleton and extends out of the shell upwardly, and a secondary lead that is positioned on the lower skeleton and extends out of the shell downwardly, wherein the secondary lead is used as a signal pin of the transformer to form an elastic needle, the effective length of the pin can be increased, and the rigidity of the pin can be reduced; and thus the transformer can be isolated from related signal pads on a PCB, and the phenomenon that the vibration and shock force of the transformer causes damage to the pads and related traces on the PCB can be prevented. In addition, flexible glue is injected in the transformer shell, and thus internal components of the transformer can be isolated from the shell, a fixed connection between the shell and the PCB is added, the vibration amplitude of the internal componentsof the transformer can be effectively reduced, and the damage to the transformer body caused by the vibration and shock force can be prevented.

The invention discloses a storage system for a network communication recording device of a digital substation. The storage system comprises a main controller board module, a hard disk pack module and an IPMI (Intelligent Platform Management Interface) module, wherein the main controller board module is provided with an embedded processor, dual memories and an operation accelerator chip; software system modules are arranged in the dual memories; an operation system module of each software system module is used for running an guiding and loading program for the embedded processor, driving an embedded Linux operation system and introducing a Rootfs file system; a monitoring module is used for monitoring system operation, network link, chip temperature and voltage data of a module and providing the data to the outside through an IPMI specification; a storage control module is used for establishing, removing, restoring, reestablishing and monitoring a disk array of the hard disk pack module, carrying out operation management through a WEB management interface module and realizing NAS (Network Attached Storage) management and IPSAN (Internet Protocol Storage Area Network) management through a data access management module; a data tamper preventing module is used for preventing data from being illegally tampered; and the hard disk pack module is an RAID (Redundant Array of Independent Disk) 0 / 1 / 5 / 6 type disk array; and the IPMI module is used for monitoring the operation condition of the storage system and exporting monitoring data according to the IPMI specification.

The invention relates to a quartz resonator, and discloses a quartz resonator comprising a low-phase-noise shock resistance quartz crystal wafer. The quartz resonator comprises the quartz crystal wafer (1), and a main electrode (6) is connected to the quartz crystal wafer (1); a first secondary electrode (51) and a first conductive electrode (71) are connected to the top face (11) of the quartz crystal wafer (1), and a second secondary electrode (52) and a second conductive electrode (72) are connected to the bottom face (12) of the quartz crystal wafer (1); the projection of the first secondary electrode (51) on the bottom face (12) is in point symmetry with the projection of the second secondary electrode (52) on the bottom face (12), and the projection of the first conductive electrode (71) on the bottom face (12) is in point symmetry with the projection of the second conductive electrode (72) on the bottom face (12). The quartz resonator is simple in structure and convenient to use, and improves structural stability and external force resistance capacity due to the fact that the quartz crystal wafer with the small diameter is adopted.

The invention provides a bi-stable electrostatic type switch. The bi-stable electrostatic type switch comprises a movable electrode, a first movable contact electrode, a first fixed contact electrode, a first drive electrode, a second drive electrode, a supporting frame and a substrate. The movable electrode is fixed to the supporting frame. The first movable contact electrode is attached to the portion, located on one side of a supporting point or on one side of the supporting axis, of the movable electrode. The first fixed contact electrode is attached to the position, where the projection of the first movable contact electrode is located, of the substrate. The first drive electrode and the second drive electrode are attached to the positions, where the projections of the two sides of the supporting point or the supporting axis are located, of the substrate respectively. The first drive electrode and the second drive electrode are connected to an external reverse circuit at the same time. The movable electrode is connected to an external power supply. According to the bi-stable electrostatic type switch, the size and the weight are small, the processing technology and the packaging technology are simple, and the bi-stable electrostatic type switch can be easily converted to engineering application. The bi-stable electrostatic type switch has two stable states, through a push-and-pull drive structure, the movable electrode is always kept in one stable state, and therefore the overall vibration impact resistance of an electrostatic type switch product is greatly improved.

The invention relates to a networking method for a cable network, in particular to a shell rigid protection and contact pin switching printed board networking method for a CSB bus cable network, and belongs to the technical field of cable networking. Printed board through hole welding is conducted in the mode that a contact pin is bent by 90 degrees, the contact pin replaces a stranded conductor and is bent and welded, and conductor welding reliability is improved. Rigid protection to an inner welding point is achieved. Two half metal shell bodies are buckled together and then are welded, external force is effectively prevented from being transferred to the inner welding point, and the possibility that the welding point is cracked under the action of the external force is avoided. The shell rigid protection and contact pin switching printed board networking method has the good anti-vibration and anti-impact performance. Due to the facts that rigid shell body buckling and welding are conducted, and the shell bodies are filled with silica gel, the whole anti-vibration and anti-impact performance of products is greatly improved, the spectrum impact can reach 1600g, and the random vibration total root-mean-square acceleration magnitude can reach 35.4g.

Provided is a contactor polarized magnetic circuit structure comprising a magnetic conductive cover, armatures, an electromagnetic component and yoke iron. The electromagnetic component comprises a setting coil set, a magnetic steel set, a reset coil set and pole shoes which are superposed from the top to the bottom. The pole shoes are fixed in hollow cavities of the setting coil set, the magnetic steel set and the reset coil set, and the middle parts are provided with guiding cavities. The magnetic steel set comprises an internal magnetic conductive coil, a magnetic steel piece and an external magnetic conductive coil which are fixedly connected from inside to outside in turn. The magnetic steel piece is made of permanent magnet materials. The armatures are arranged in the guiding cavities of the pole shoes and can move upwardly and downwardly in the guiding cavities along an axial direction. The magnetic conductive cover is covered on the electromagnetic component and the yoke iron from the top to the bottom, and the top wall of the magnetic conductive cover is clung to the top surface of the setting coil set. The internal side wall of the magnetic conductive cover and the external circumferential wall of the external magnetic conductive coil and the external circumferential wall of the yoke iron are matched in an interference way so that a closed magnetic circuit is formed. Therefore, maintenance force of the product in the state is greatly enhanced and mechanical environment adaptability of the product is provided.

The invention relates to a getter string and the usage of a safe high pumping speed getter pump. The getter string is formed by stringing a plurality of getter pieces on a supporting pole. The getter pump is formed by arraying a plurality of the getter strings evenly on the shell body of the getter pump, an opening is arranged on the shell body as a getter pump opening, and a firing heating device is arranged on the outside of the shell body. The getter pump adopts an external firing heating method to activate the getter in the pump body. The usage and the maintenance are convenient and safe. The internal structure of the pump body is rationally designed, is helpful for evenly heating the getter, can facilitate the gas to diffuse, and can increase the pumping speed.

The invention discloses a transmission mechanism for a microwave switch. Driving plates are J type spring plates and include long sides and short sides; the long sides and the short sides are connected based on arc structures; lug plates with through holes are arranged on the short sides and the short sides are connected to a cover plate by support bolts; and the long sides are arranged between an armature group and driving rods. A permanent magnet, a magnetic conductive plate, and iron cores of a left coil group and a right coil group form an enclosed magnetic circuit for generate magnetic forces; and the generated magnetic forces are applied to the armature group. An armature has a V-shaped structure; the armature and a carrying and touch body are fixedly connected; protruding lugs in contact with the driving plates are arranged at the lower sides of the two ends of the armature, so that the strokes of the driving rod can be enlarged. According to the invention, the strokes of the driving rods can be effectively enlarged; and on the premise that the effective stroke is realized, the appearance dimension of the product and the product complexity are reduced.