47results about How to "Strong shock and vibration resistance" patented technology

The invention discloses a large capacity battery pack structure; a battery component is arranged between a first battery clamping plate and a second battery clamping plate, composite electrode pieces are arranged between the first battery clamping plate and battery component positive and negative end surfaces and the second battery clamping plate and the battery component positive and negative end surfaces, first conductive layers of the composite electrode pieces connect battery monomers of the battery component in series and in parallel, second conductive layers of the composite electrode pieces are fixedly connected with the first battery clamping plate and the second battery clamping plate; an assembly method includes the following steps: respectively arranging the composite electrode pieces in the first battery clamping plate and the second battery clamping plate; arranging the battery component; fixedly connecting the first battery clamping plate and the second battery clamping plate; and connecting the composite electrode pieces and positive and negative electrodes of each battery monomer by welding. In the way, the large capacity battery pack structure can bear large current discharge, has the advantages of simple structure, good stability, and strong anti shock and anti vibration ability, no additional work fixture is needed for fixing the composite electrode pieces, the operation is simple, and the assembly cost is low.

The invention discloses a cubesat brake sail de-orbit device. The cubesat brake sail de-orbit device is composed of two completely identical cubesat brake sail de-orbit sub-devices. Each cubesat brake sail de-orbit sub-device comprises a de-orbit device body and a partition board arranged on the top of the de-orbit device body, wherein the de-orbit device body is of a central symmetry structure and comprises a main frame, an upper end cover, a sail storage chamber guide rail, a Hall sensor, a base plate and two expanding mechanisms, the main frame is Z-shaped, the main frame is divided into two identical chambers with the center of the main frame as the symmetry center, and the two expanding mechanisms are arranged in the two chambers respectively. Four film sails are expanded in four directions by means of tape spring masts to increase the normal sectional area of satellite movement, so as to successfully solve the problem that a cubesat stays on the original track for a long time after fulfilling a task and becomes space debris.

The invention discloses a rack-and-pinion type transmission mechanism of an automatic changeover switch device. The transmission mechanism comprises a first gear, a second gear and a rack, wherein the two ends of the rack are provided with dentiform sections, and the middle of the rack is a flat and straight section; the first gear is rotatablely arranged on one end of a base body of the automatic changeover switch, and the second gear is rotatablely arranged on the other end of the base body; and the rack is simultaneously meshed with the fist gear and the second gear, the rack is connected with a driving mechanism which is used for pushing the rack to carry out reciprocating motion, the first gear is linked with a first moving contact of the automatic changeover switch device, and the second gear is linked with a second moving contact of the automatic changeover switch device. The rack-and-pinion type transmission mechanism of the invention has the advantages of simplicity, strong anti-shock/vibration capacity, small impact force and little bounce when the contacts are separated and connected, and great improvement on the operating reliability.

The invention discloses a brake energy recycling device and a method for controlling the same. The brake energy recycling device comprises a brake maneuvering mechanism, a brake pedal travel simulatorand a hydraulic adjusting unit. A front-cavity liquid outlet A of a brake master cylinder in the brake maneuvering mechanism is connected with a liquid inlet D of the hydraulic adjusting unit by a brake pipeline, a rear-cavity liquid outlet B of the brake master cylinder in the brake maneuvering mechanism is connected with a liquid inlet E of the hydraulic adjusting unit by a brake pipeline, andan interface C of the brake pedal travel simulator 8 is connected with the liquid inlet D of the hydraulic adjusting unit by a brake pipeline. The brake energy recycling device and the method have theadvantage that the problems of incapability of meeting performance requirements on existing hydraulic adjusting units by the ability of existing products, complicated structures, high control difficulty and inconsistency of pedal feel and the traditional vehicles in the prior art can be solved by the aid of the brake energy recycling device and the method.

The invention relates to an imager capable of integrating full color and polarization hyperspectral detectability, comprising a front lens, a field diaphragm, a collimating lens, an acousto-optic tunable filter and a turning lens which are successively arranged on the same light path; after light is turned by the turning lens, a polarization hyperspectral imagining system is arranged on the light path of level-one diffraction light; and light is turned by the turning lens, the light path of level-zero diffraction light is provided with a full-color light imaging system. The invention provides a programmable polarization hyperspectral and full-color combined imager which splices an O-light image with an E-light image on the photosensitive surface of the same detector by an optical splicing device, causes the system structure to be compact by light path turning, carries out image drift compensation by an optical wedge compensating device and an image registration algorithm, realizes multi-frequency acousto-optic tunable filter (AOFT) driving based on any waveform generator scheme and can simultaneously obtain full-color image information and narrow-band cross polarization image information.

The invention discloses a six-unit cubesat main force bearing structure. The six-unit cubesat main force bearing structure is formed by means of the method that two three-unit cubesat main frames cooperate with each other through a connecting frame. The main frames are each of a cuboid frame structure, end covers are arranged at the two ends of each main frame in the direction of the long edge, and middle frameworks are arranged in the middles of the main frames. Four screws are arranged in each main frame and penetrate through the corresponding middle framework to be fixed to the end covers of the two ends of the corresponding main frame, and six hinges are arranged on the connecting frame and the two main frames. The assembly difficulty of a cubesat is lowered, and the integrity of innerlayout is improved. According to the six-unit cubesat main force bearing structure, the main frames are of an integrated structure and connected through the connecting frame making contact with the main frames in a large area so that the parallelism between guiding rails can be ensured, the six-unit cubesat main force bearing structure and a cubesat-rocket separating device are not jammed in launching, and successful launching is ensured.

The invention discloses a battery connection support. A plurality of battery plug-in mounting holes in matrix distribution are formed in the battery connection support. The battery connection support comprises a lower insulating layer and an upper conducting layer, wherein the insulating layer is an insulating support, a plurality of support holes in matrix distribution are formed in the insulating support, the conducting layer is composed of a plurality of metal parallel bars arranged in parallel, a row of parallel bar holes distributed at intervals along the length direction of the metal parallel bars are formed in the metal parallel bars in a communicating mode, the metal parallel bars are fixedly connected with the insulating support, and the support holes and the parallel bar holes jointly form the battery plug-in mounting holes. The battery connection support is compact and stable in structure and convenient to assemble and has excellent conducting ability and heat dissipation ability.

The invention relates to a measuring device adopting a solid-state vibration angular rate sensor group to realize north-seeking underground while drilling, comprising a solid-state vibration angular rate sensor group for conducting vertical shaft measurement, a solid-state vibration angular rate sensor group for conducting horizontal shaft measurement as well as an accelerometer group. The measuring device is characterized in that accelerometers and solid-state vibration angular rate sensors in the solid-state vibration angular rate sensor group and the accelerometer group are arranged correspondingly; the minimum acceleration sensitive direction of each solid-state vibration angular rate sensor and the sensitive direction of each accelerometer in the horizontal direction misplace by a same angle in sequence in the range of 360 degrees, sensitive shafts of the solid-state vibration angular rate sensors are mutually horizontal, each solid-state vibration angular rate sensor can generate an angular velocity along the sensitive shaft, and each accelerometer detects and outputs an acceleration along the sensitive direction; and a controller completes the selection of a certain drilling direction, and conducts digital weight integration and calculation to a measurement signal. The device meets the high measurement precision while reducing the cost.

The invention provides a through liquid-cooling self-circulation driving motor which comprises a motor front end cover, a motor rear end cover, a shell, a stator assembly, a rotor assembly, an irregular sleeve, a main driving shaft, a sealing front bearing, a sealing rear bearing and a cavity. The technical scheme provided by the invention is characterized in that cooling liquid is capable of self-circulation; the requirement of the driving motor with high power density on large-capacity cooling can be met through the through liquid-cooling manner, the heat exchanging efficiency is remarkably improved, and the stator assembly and the rotor assembly of the motor are cooled simultaneously; the magnetic circuit is hardly influenced by the cooling liquid; the flow rate and the pressure of the cooling liquid can be adjusted and optimized through adjustment of the sizes of a rotor impeller, a cooling liquid inlet and a cooling liquid outlet, and the cooling requirements of all parts are met; the motor has a compact structure and light weight, and has higher resistance to shock vibration as the rotor is soaked in the cooling liquid; and a cooling liquid channel is of a streamline form. The flow resistance of the cooling liquid is reduced, that is to say, the energy consumed in self circulation of the cooling liquid is reduced, the efficiency of the driving motor is improved, and the like.

The invention belongs to the field of spacecraft deorbiting, and particularly relates to a brake sail deorbiting device applied to a vertical satellite. The device includes: a sail storage device, a driving device, an unfolding device and a locking device which are sequentially arranged from top to bottom. A film sail is stored in the sail storage device; the unfolding device comprises four strip-shaped elastic masts and a mast center shaft, the extension sections of the strip-shaped elastic masts are connected with the film sail, and the fixed ends of the strip-shaped elastic masts are woundon the mast center shaft; the four wound strip-shaped elastic masts are unfolded to drive the thin film sail connected with the elastic masts to be unfolded; the driving device is used for driving thestrip-shaped elastic mast in the unfolding device to be unfolded; and the locking device is used for locking the unfolding device in a locking state. The deorbiting device provided by the invention is suitable for deorbiting cubesat running on medium and low orbits, and solves the problem that normal work of other satellites is affected by space debris due to the fact that part of cubesat cannotbe deorbited within a specified time after completing a task.

According to the preparation method of the phase change heat reservoir of the electronic equipment, the sealing performance is good, the thermal resistance is small, the impact vibration resistance is high, and the heat exchange efficiency is high. According to the technical scheme, the method comprises the following steps: assembling a porous structure heat conduction core body which is designed to form gradient changes in dot matrix rod diameters in multiple directions and is conformal with an inner cavity of a phase change box body into the inner cavity of the phase change box body to form an integrated model of the heat conduction core body and the phase change box body; aluminum alloy powder is printed and formed through selective laser melting equipment, and an integrated structure of a heat conduction core body and a phase change box body of the phase change heat reservoir and a sealing column are obtained; the low-temperature solid-liquid phase-change material with the melting point of 40-90 DEG C and stable physical property is poured into the phase-change box body to form a phase-change material quantitative pouring body through the procedures of measuring the internal pore volume of the phase-change box body, performing vacuum heating quantitative pouring and the like; and welding or bonding combination is carried out after sealing through the process holes of the phase change box body, and the phase change material packaging body of the phase change heat reservoir product is assembled and sealed.

The invention discloses a semi-active rotary type inerter damping integrated vibration reduction device. The semi-active rotary type inerter damping integrated vibration reduction device drives a planetary gear to rotate around a fixed sun gear in a reciprocating manner through the reciprocating rotation motion of a synchronizing device and an outer gear ring so as to generate an inertial effect, so that a rotary type inerter is formed. Furthermore, the planetary gear serves as a damper working cavity, and a throttling valve on a piston generates a damping effect through axial movement of the synchronizing device. Due to the adoption of the planetary gear structure, the device has the characteristics of a compact structure, small size and light weight, and meanwhile the impact vibration resistance is high. The integration of the inerter and the damper provides a method for solving the problem of spatial arrangement and lightening a vibration reduction system. An ECU selects different transmission routes to be matched with an output shaft and change the stroke of the piston in combination with basic parameters of a system, so that two different inertial coefficients and damping coefficients are provided.

The invention relates to the technical field of medical equipment and systems and particularly relates to an intelligent planing tool for acquiring costal cartilage granules. The intelligent planing tool comprises a tool holder shell, wherein a display screen is arranged on the tool holder shell, skidproof pads which are located behind the display screen are arranged at the two sides of the tool holder shell, a motor is arranged at the front part of the side face of the tool holder shell, an interface type-c is arranged at the rear part of the side face of the tool holder shell, a switch button is arranged at the bottom of the tool holder shell, a motor shaft of the motor is connected with a star gear, a turnover gear is arranged outside the star gear, a planet gear is arranged between thestar gear and the turnover gear, one end of a link is hinged to the planet gear, a moving lever is hinged to the other end of the link, and a planing tool is arranged at the tail end of the moving lever. According to the intelligent planing tool for acquiring the costal cartilage granules, the risk and high harmfulness of acquiring of the costal cartilage granules can be overcome, the system stability is good, and operations are visualized.

The invention discloses a split type deep-sea movable television grab bucket which comprises an electric mechanism and a grab bucket mechanism, and the electric mechanism and the grab bucket mechanismare arranged in a split mode, wherein the electric mechanism is connected with the grab bucket mechanism through high-strength ropes, a pipeline is arranged between the electric mechanism and the grab bucket mechanism, and the pipeline comprises an electric circuit and a hydraulic pipeline. According to the scheme, a grab bucket part is separated from an electric part, the grab bucket part and the electric part assembled respectively, and the grab bucket part is connected with the electric part through ropes such as stainless steel chains, so that the grab bucket and the electric part are simpler and more convenient to assemble and convenient to disassemble, and the maintenance cost is reduced; the independent grab bucket mechanism is smaller in volume and lighter in weight than the integral grab bucket mechanism, so that samples can be conveniently distributed and grabbed, and the independent grab bucket mechanism can cope with more complex submarine topography; impact vibration generated during working basically exists on the grab bucket resistant to impact vibration, a large number of electric elements and other components arranged on the electric mechanism are protected, the service life of the television grab bucket is greatly prolonged, and the cost is saved.