194results about How to "Achieve compactness" patented technology

The invention discloses a beam pointing regulation antenna design method, which belongs to the technical field of antennas, and comprises the following steps: determining the number N of array elements required for forming an antenna, the array element spacing d, the excitation amplitude ratio of N array elements and the phase difference of adjacent array elements according to the beam pointing requirement, the beam width and the directional diagram requirement of a to-be-designed antenna; establishing a shovel-shaped feed metasurface antenna as an array element; establishing an antenna linear array by the N array elements according to the array element spacing d; establishing a one-to-N feed network by taking the excitation amplitude ratio of the N array elements and the phase difference of the adjacent array elements as output indexes of the feed network; and the one-to-N feed network is connected with the antenna linear array to form the beam pointing regulation and control antenna. The antenna can be compact, the influence of parasitic radiation of the feed network on the antenna beam can be suppressed, the radiation pattern of the antenna is optimized, and the antenna has high engineering application value.

The invention discloses a compact hydraulic winch in the technical field of hydraulic winches for engineering machinery, the hydraulic winch comprises a support, a hydraulic motor, a secondary planetary system, a primary planetary system and a winding drum, the hydraulic motor, the secondary planetary system, the primary planetary system and the winding drum are mounted on the support, and the hydraulic motor transmits power to the winding drum through the primary planetary system and the secondary planetary system. The winding drum is driven to rotate; wherein the first-stage planet carrier and the second-stage sun gear are connected through a high-low tooth and axle bumper structure, one side of the second-stage sun gear is positioned through a high-low tooth end face, the other side of the second-stage sun gear is positioned through an axle bumper, the second-stage sun gear is meshed with the second-stage planet gear, and the second-stage planet gear is connected with the second-stage planet carrier through a second-stage planet gear bearing. The first-stage sun gear is meshed with a first-stage planet gear, and the first-stage planet gear is connected with a first-stage planet carrier through a first-stage planet gear bearing; the winding drum is rotationally connected with the support through a rear bearing and rotationally connected with the second-stage planet carrier through a large bearing. Spatial layout can be optimized, and the performance and reliability of the winch are improved.

The invention provides a frequency conversion series resonance withstand voltage detection device and method, and the device comprises a comprehensive control box, an excitation transformer, an electric reactor group, a voltage divider, and a compensation capacitor group, and the output end of the comprehensive control box is electrically connected with the low-voltage side of the excitation transformer. The high-voltage side of the excitation transformer is electrically connected with the reactor group, the voltage divider and the compensation capacitor group in sequence, the compensation capacitor group is electrically connected with a to-be-detected device, the comprehensive control box is directly and electrically connected with the voltage divider, and the comprehensive control box is electrically connected with the low-voltage side of the excitation transformer through the shunt resistor. And the comprehensive control box is used for collecting the sampling voltage at the voltage divider and the sampling current at the low-voltage side of the excitation transformer, is also used for predicting a resonant frequency interval where a resonant point is located by combining the sampling voltage and the sampling current, and is also used for outputting variable-frequency alternating current to the low-voltage side of the excitation transformer according to the resonant frequency interval. The method has the effect of improving the accuracy of a voltage withstanding test result.

The invention provides an actuator, a joint module, a mechanical arm, a biped robot, a quadruped robot, a quadruped robot, a humanoid robot and a robot. The actuator comprises a shell, a motor assembly and a speed reducer assembly, the shell comprises an outer shell part, a first extension part and an inner cylinder part, and a first containing cavity with an opening is defined; the motor assembly is composed of a rotor, a stator, a rotor adapter and a rotary supporting assembly, the rotor adapter is provided with a rotor connecting part, a second extending part and a first connecting shaft part and is connected with the rotor, the rotor and the stator are arranged in the first containing cavity, and the rotary supporting assembly is arranged between the first connecting shaft part and the inner cylinder part; an input end transmission shaft of the speed reducer assembly is connected with the first connecting shaft part and rotates along with the rotor adapter, the second extension part is close to the speed reducer assembly, and the first extension part is far away from the speed reducer assembly relative to the second extension part. According to the invention, the transmission precision of the actuator and the stability of power output are ensured while the small size and compactness of the actuator are realized.

The embodiment of the invention provides an LCOS light machine module and projection equipment. The LCOS light machine module comprises a light source, a dodging element, an optical waveguide device and an LCOS panel. The light source is used for providing illumination light; the light uniformizing element is used for uniformizing illumination light rays emitted by the light source; the optical waveguide device comprises a coupling-in area and a coupling-out area, the coupling-in area is used for coupling the dodging illumination light into the optical waveguide device for total reflection transmission, and the coupling-out area is used for coupling out the illumination light; the LCOS panel is located on the side, away from the coupling-out area, of the optical waveguide device, the LCOS panel is at least partially arranged in a staggered mode relative to the coupling-out area in the thickness direction of the optical waveguide device, and the LCOS panel is used for receiving illumination light emitted by the coupling-out area and reflecting the illumination light to form projection light. And the projection light reflected by the LCOS panel does not pass through the coupling-out area any more.

The invention discloses a self-humidifying fuel cell hybrid power system suitable for a passenger car, and relates to the technical field of passenger car power, and an air subunit of the system does not contain a humidifying module; according to the system, the self-wetting of the proton exchange membrane is achieved by controlling the current density and temperature of an electric pile; accurate management, control, model selection and design are carried out in multiple dimensions such as a whole vehicle energy management strategy, an auxiliary system control strategy, bipolar plate flow field model selection and plating layer design, gas diffusion layer substrate layer model selection and micropore layer design, catalyst layer design and proton exchange membrane model selection, the self-humidifying function of the fuel cell system is realized, a humidifying module is removed, and the self-humidifying effect of the fuel cell system is improved. The compactness of the fuel cell system is improved; and lightweight design is carried out on the basis of self-humidifying, the fuel cell system conforming to the application scene of the passenger car is prepared, and the compact and lightweight design of the self-humidifying fuel cell is realized, so that the fuel cell system is more suitable for the application scene of the passenger car.

The invention discloses an adsorption-multistage rectification coupling impurity removal technology for efficiently converting coal-based electronic grade ethanol. An impurity removal technology device comprises an ethanol dehydration system, a methanol removal tower, an isopropanol removal tower and a vacuum device, the ethanol dehydration system is connected with the methanol removal tower; the methanol removal tower is connected with the isopropanol removal tower; and the top of the isopropanol removal tower kettle is connected with a vacuum device. According to the technology disclosed by the invention, on the premise of not introducing new substances, an ethanol separation cutting strategy and a separation sequence (water-methanol-isopropanol) are adopted, so that the contents of other impurities such as water, methanol, crude ester and isopropanol in an ethanol product can be remarkably reduced, the purity and the quality stability of the ethanol product are improved, and the technology is suitable for the production requirements of electronic grade ethanol.

The invention discloses a solid source polarization interferometer integrated device for a nuclear fusion experimental device, which relates to the technical field of optics and comprises at least three solid sources, a polarization interferometer optical path system, a corner reflector, a reference channel detector and a detection channel detector. One solid source in the at least three solid sources is in fixed frequency, and the other solid sources are in frequency modulation; optical signals sent by the fixed-frequency solid source are respectively transmitted to the reference channel detector and the detection channel detector through light splitting and reflection operations in the polarization interferometer light path system; an optical signal sent by the frequency modulation solid source is transmitted to the reference channel detector through light splitting, reflection and beam combination operations in the polarization interferometer light path system; an optical signal sent by the frequency modulation solid source passes through the plasma through the interferometer optical path system, is transmitted to the corner reflector, and is combined into the detection channel detector after passing through the corner reflector; the solid source polarization interferometer integrated device is compact in structure and can realize real-time monitoring.

The invention relates to the field of port operation, in particular to an automatic wharf storage yard operation method and a storage medium, and improves the wharf operation efficiency and the utilization rate of rail-mounted gantry crane equipment. Comprising the following steps: acquiring all established operation task requirements in a storage yard, including a dispatched operation task and a non-dispatched operation task, and sorting and storing the operation task requirements according to suggested starting time; extracting operation tasks in a specified range; determining an interlaced job task, wherein the interlaced job task is a same-bay job task at the same time and does not keep a safe distance; adjusting the interlaced job task, setting suggested time stages of the job task, namely suggested earliest start time, suggested start time and suggested latest start time, adjusting according to the time stages of the interlaced job task, and determining an adjusted job sequence; box turning operation is confirmed, wherein the box turning operation is determined according to the adjusted operation sequence; and outputting the operation sequence of the extracted operation tasks.

The invention provides a direct-acting switch transmission system integrating slow opening and slow closing functions, and the system comprises a transmission box body, and the top end of the transmission box body is provided with an insulating transmission rod; the electric repulsive force mechanism is connected with the transition connecting rod, the energy storage control assembly is connected with the electric repulsive force mechanism, the energy storage control assembly obtains opening and closing instruction trigger signals through local and remote instructions, an energy storage element discharges electricity to supply power to the electric repulsive force mechanism, and the electric repulsive force mechanism drives the transition connecting rod and the insulation transmission rod to move. Opening and closing control of the switch arc extinguish chamber is realized. By adopting a quantitative slow-opening and slow-closing integrated design and a disassembly-free mechanism body, the stress operation running-in state of parts under different position state conditions can be quantitatively and slowly observed, the opening and closing debugging precision of the switch, the equipment reliability and the environmental protection economy are improved, the operation is basically free of maintenance, the low assembly test efficiency caused by repeated disassembly is reduced, and the cost is reduced. Frequent operation of the switch is facilitated, and safe and stable operation of equipment and a power grid is fully ensured.

The invention discloses coating equipment, which relates to the technical field of vacuum equipment and comprises an equipment main body, a workpiece adjusting device, a vacuum adjusting device and a coating source. The equipment body is provided with a vacuum operation cavity, the coating source is located at the bottom of the cavity, and the vacuum adjusting device communicates with the operation cavity. The workpiece adjusting device comprises an elastic clamping mechanism, a rotary adjusting mechanism and a two-stage lifting mechanism. The rotation adjusting mechanism is composed of a first adjusting frame, a second adjusting frame and a corresponding adjusting assembly. The first adjusting frame is installed on the second adjusting frame in a rotating mode around a horizontal shaft and driven by the first adjusting assembly. The elastic clamping mechanism is rotationally installed on the first adjusting frame around the vertical shaft and driven by the second adjusting assembly. The first lifting mechanism is connected with the second adjusting frame and drives the second adjusting frame to lift in the cavity; the second lifting mechanism drives the trigger piece to ascend and descend, and the clamping cavity is opened by pressing the elastic clamping mechanism. By means of the design, multi-dimensional posture adjustment of the coated workpiece and convenient clamping in the vacuum environment can be achieved.

The invention provides a construction technology for a composite wall with split bolts arranged in a disassembly-free outer formwork, and belongs to the technical field of thermal insulation wall construction. The construction technology comprises the following steps that S1, a composite thermal insulation board is prefabricated, and split bolt holes are reserved in the composite thermal insulation board; s2, a steel bar frame is bound, a composite insulation board and an inner wall formwork are vertically arranged, and holes are formed in the inner wall formwork; s3, a non-dismantling opposite-pull rod is connected with a built-in clamping plate and penetrates between the composite heat preservation plate and the inner wall formwork, the two ends of the non-dismantling opposite-pull rod are connected with nuts, a formwork supporting system is erected on the outer side of the composite heat preservation plate and the outer side of the inner wall formwork, and the two nuts are sleeved with clamping pieces to achieve centering and clamping; s4, concrete is poured between the composite insulation board and the inner wall formwork; and S5, an inner wall formwork and the like are dismantled, and the dismantling-free opposite pull rods are left in the composite heat preservation plate and the concrete. The assembly plays a role of a split bolt and a later-stage outer formwork connecting piece at the same time, and meanwhile the problems of the cold and hot bridge effect, the water seepage stubborn disease of a traditional split bolt hole and the like can be solved.

The application relates to a compact active artificial knee joint with a torque adjusting device, which comprises a knee joint module, a receiving cavity connecting block, a lower leg connecting piece and a torque adjusting device, wherein the torque adjusting device comprises a spiral spring, a bent spring groove and the like, the knee joint module comprises a knee joint shell, a knee joint shaft center, a knee joint stator sleeve end cover and the like, one end of the spring is fixed at the upper receiving cavity connecting lug through an opening on the motor stator sleeve end cover, and the other end is fixed in the bent spring groove at the position of the motor stator sleeve end cover and the knee joint shaft center. The torque adjusting device can realize torque assistance and adjustment according to the angle size and direction of the limb rotation; meanwhile, the driving peak torque of the motor can be reduced, the size and the maximum torque of the driving motor are smaller due to the fact that the artificial limb needs to be easily worn, energy consumption and space are saved.

A waterway system of a fish tank comprises a fish tank body, a water inlet waterway, a water drainage waterway and a middle waterway, the water inlet waterway comprises a water inlet valve used for opening or closing the water inlet waterway, and the water drainage waterway comprises a water drainage valve used for opening or closing the water drainage waterway; when the water inlet valve is opened, the water inlet waterway is communicated with the fish tank body through the middle waterway, and when the water drainage valve is opened, the water drainage waterway is communicated with the fish tank body through the middle waterway. According to the waterway system of the fish tank, the water inlet waterway, the water drainage waterway and the middle waterway are arranged, the water inlet waterway comprises the water inlet valve, the water drainage waterway comprises the water drainage valve, when the water inlet valve is opened, the water inlet waterway is communicated with the fish tank body through the middle waterway, and when the water drainage valve is opened, the water drainage waterway is communicated with the fish tank body through the middle waterway. The water inlet waterway and the water outlet waterway share one middle waterway, redundant pipelines can be reduced, space layout is optimized, occupied space of the waterways is further reduced, and the waterways do not need large installation space.

The utility model discloses cleaning equipment and a cleaning device, the cleaning equipment comprises a shell, an installation space is formed in the shell, a slideway part is arranged in the installation space, the slideway part has height difference in the height direction of the installation space, a mop assembly comprises a mop main body and a connecting shaft, the mop main body is arranged at the first end of the connecting shaft, and the mop main body is arranged at the second end of the connecting shaft. The opposite second end extends into the mounting space, the rotating seat is rotationally arranged in the mounting space, the rotating seat is connected with the second end of the connecting shaft, the rotating seat is matched with the slide way part, the rotating seat is configured to rotate and move along the slide way part at the same time so as to drive the mop assembly to move in the direction away from or close to the cleaning face, and the mop assembly can ascend and descend. The mopping effect is improved. The limiting switch is configured to limit the rotating angle of the rotating base so as to control the lifting height of the mop assembly.

The present invention relates to a DC to AC power converter having a main DC input (1) and a main single-phase AC output (4), the DC to AC power converter comprising: a single DC to DC converter (5); and firstly, according to a direct path, a bidirectional voltage type DC to AC converter (6) cascaded with the DC to DC converter (5), the bidirectional voltage type DC to AC converter (6) having a DC input-output (11) connected in parallel to the DC output (10) and an AC output-input (12) connected to the main AC output (4); and secondly, according to a bypass path, and connected to the bidirectional voltage type DC to AC converter (6) and the low A current-type low-frequency full-switch H-bridge (7) having a DC input and an AC output, hereinafter referred to as an AC forward bridge, is connected in parallel with a low-frequency diode (2), the DC input is connected to the DC output (10) of the single DC to DC converter (5), and the AC output is connected in parallel with the main AC output (4), the operating frequency of the AC forward bridge is less than 1 kHz, so that when the instantaneous voltage between the terminals of the main AC output (4) reaches a predetermined level, the low-frequency forward AC bridge (7) is turned on, the low-frequency diode (2) is reverse biased and non-conductive, and the DC to DC converter (5) directly provides constant power to the load.

The application relates to the technical field of intelligent mobile devices, in particular to a differential horizontal rudder wheel assembly which comprises a walking motor module, a steering motor module, a planetary reducer module and an optimized mechanical connection assembly. The walking motor and the steering motor are both servo motors, high-torque output and accurate control are realized by combining the planetary reducer; the mechanical structure is compact, the installation height is 340 mm, and the integration degree is high; the wheel body is made of polyurethane material, can bear 1500 kg and is suitable for complex working conditions; NPN normally open proximity switches are configured to realize closed-loop control. The application can provide high-precision and high-performance driving, is suitable for automatic devices such as intelligent logistics vehicles and AGV trolleys, meets the demand of complex working conditions and improves the operation reliability.

The utility model provides a top plate and an indoor unit of an air conditioner, wherein the top plate can achieve compactness of a packaging form during conveying and improve conveying efficiency, and the indoor unit of the air conditioner is provided with a shell comprising the top plate. The top plate constitutes a box-shaped housing that accommodates the heat exchanger and the blower. The top plate is provided with: an inner surface section facing the space side in the housing in which the heat exchanger and the blower are housed; an outer surface portion on the opposite side of the inner surface portion; and a depressed portion that depresses the inner surface portion and projects the outer surface portion. The deep drawing part is provided with a plurality of fixing parts for fixing bolts for attaching the blower to the top plate. When the inner surface parts of the two top plates are oppositely overlapped, the plurality of fixing parts of one top plate are respectively arranged at positions which do not overlap with any one of the plurality of fixing parts of the other top plate when observed from the overlapping direction of the two top plates.

The utility model discloses a preformer for fiber cloth, and relates to the technical field of forming processes. The preforming device comprises a plurality of forming modules which are fixedly connected into a whole, and forming channels are formed in the forming modules in a penetrating mode; the forming channels on the forming modules are communicated in sequence to form a deformation channel; the outer surface of at least one forming module is provided with an observation opening communicated with the deformation channel. The preforming device can be directly and fixedly connected through different forming modules, a deformation channel does not need to be formed after a preforming plate and a core mold structure are arranged and assembled at intervals, the assembly difficulty can be reduced, the arrangement of a supporting platform originally used for supporting the preforming plate can be reduced, and miniaturization and compactness of the structure can be easily achieved.

The invention relates to the technical field of current converters, in particular to a method and system for adjusting the number of sub-modules in a modular multilevel current converter and electronic equipment. The method comprises the steps that target third harmonic zero-sequence voltage corresponding to each operation point in the operation range of the modular multilevel converter to be adjusted is determined, and the target third harmonic zero-sequence voltage is the third harmonic zero-sequence voltage enabling the bridge arm output voltage peak value of the modular multilevel converter to be adjusted to be minimum; under the condition that the modular multilevel converter to be adjusted is in a running state, determining a bridge arm voltage reference value of the modular multilevel converter to be adjusted under the current running point according to the target third harmonic zero sequence voltage corresponding to the current running point, and adjusting the number of sub-modules adopted in the modular multilevel converter to be adjusted according to the bridge arm voltage reference value. By adopting the scheme, the compactness and low cost of the modular multilevel converter can be realized.

A clutch device for a hybrid module, the hybrid module comprising an electric motor and a coupleable internal combustion engine, the clutch device comprising: a first, a second and a third sub-clutch (2, 3, 4), wherein the first sub-clutch (2) is used to connect the internal combustion engine and the second and third sub-clutches (3, 4) are used to distribute the torque introduced via the internal combustion engine or the electric motor to different transmission stages of a transmission connected downstream; and a gear (30) drivable via the electric motor and arranged adjacent to a wall (36) of a transmission housing, the gear being rotationally fixedly connected to a rotor (27), the rotor being coupled to all sub-clutches (2, 3, 4), and the gear being supported on a housing bottom (34) of the transmission housing via rolling bearings (31), wherein the housing wall (36) and the housing bottom (34) are a one-piece transmission housing component (32).

The invention discloses an artificial muscle length measuring device and a humanoid robot. The length measuring device comprises a mounting base, a rotating part, a measuring rope, an elastic part and a rotating angle measuring mechanism, and the mounting base is fixed to the fixed end of an artificial muscle; the rotating piece is rotationally arranged on the mounting base, and a winding part is formed on the rotating piece; the rotation angle measuring mechanism is connected with the rotating member and is used for detecting the rotation angle of the rotating member. The device has the beneficial effects that the rotating part, the measuring rope, the elastic part and other components are matched, the length change of the artificial muscle is converted into the rotating angle change of the rotating part, the rotating angle measuring mechanism records and outputs the value of the rotating angle, and therefore the length change value of the artificial muscle can be calculated; because the rotation angle measurement occupies a small volume, the compactness of the structure is realized, the measurement device can be integrated in the compact structure of the humanoid robot, and the influence on the overall design and motion performance of the robot is reduced.

The utility model relates to the technical field of financial equipment, and particularly discloses a sheet type medium conveying device and cash handling equipment, the sheet type medium conveying device comprises a mounting rack, a conveying mechanism, a driving mechanism, a first channel plate pivoted with the mounting rack through a first pivoting shaft, and a second channel plate pivoted with the mounting rack through a second pivoting shaft, the two channel plates are oppositely arranged in a spaced mode and form a conveying channel, and inlets and outlets are formed in the two ends of the conveying channel. The conveying mechanism comprises a conveying wheel fixedly connected to the first pivot joint shaft in a sleeving mode, the driving mechanism comprises a transmission assembly and a motor in transmission connection with the first pivot joint shaft, and when the motor drives the first pivot joint shaft to rotate in the first direction, the first pivot joint shaft drives the two channel plates to rotate in the opposite directions through the transmission assembly; therefore, one of the two inlets and outlets forms an opening with a larger size, the other one forms a closing opening with a smaller size, and the conveying wheel drives the sheet medium to move from the opening to the closing opening, so that the paper money can smoothly enter and exit from the conveying channel.

The application provides a kind of baffle type falling film element, including several vertical arrangement and oblique arrangement reaction plate, the oblique direction of adjacent plate is different, and the plate surface is provided with groove.Material is sequentially flowed down along groove from top, and the path is folded and compressed, which significantly reduces the height of equipment under the same residence time.The reaction plate is provided with built-in heating cavity, and is provided with first opening and second opening for heat medium to enter and exit;The plates are alternately connected in series to form independent heat medium loop by passing through the openings of the plates in the same direction, and the temperature and flow rate can be controlled in groups.The groove can extend in S-shaped curve to prolong the process and enhance the disturbance;The groove is wide at the top and narrow at the bottom, which can cope with the increase of material viscosity;The end of the groove is provided with a guide groove and is opened with a V / U / W-shaped notch to concentrate the material and make it fall.The multiple elements can be expanded in transverse parallel connection.The element has compact structure and high mass transfer efficiency, and is suitable for dehydration, desolventization and removal of volatile components of high viscosity or heat-sensitive liquid and molten material.

The invention relates to the technical field of preparation of concrete, in particular to LC3-basalt fiber regenerated block concrete and a preparation method thereof.The preparation method comprises the following preparation steps that S1, LC3 cement, regenerated blocks, natural sand and gravel are poured into a stirrer to be subjected to uniform dry mixing, and a dry mixture is obtained; s2, adding water, a modified water reducer and a performance modifier into the dry mixture, performing wet mixing, uniformly scattering modified basalt fibers during wet mixing, and performing uniform stirring to obtain a wet mixture; and S3, pouring the wet mixture into a test mold, standing at room temperature, demolding, and curing for 26-28 days to obtain the LC3-basalt fiber regenerated block concrete. Through the synergistic effect of the modified basalt fiber, the modified water reducer and the performance modifier, the compressive strength, the strength retention rate after high temperature and the tensile strength of the concrete are remarkably improved, and chemical activation and densification after the regenerated block is added are achieved.

The invention discloses a high-stability polymer containing oil-soluble extractant microcapsule and a preparation method, and relates to the technical field of separation material preparation, and a polymer precursor is prepared from a binary or terpolymer with an oil-soluble chain segment and a polar reactive group chain segment and an extractant with ion exchange and extraction separation capabilities; and with an aqueous solution of a micromolecular cross-linking agent and a surfactant as a coagulating bath, carrying out controllable phase inversion separation and in-situ cross-linking curing on the polymer precursor in the coagulating bath to obtain the high-stability polymer containing oil-soluble extractant microcapsule. The method disclosed by the invention has the beneficial effects that the method is simple and efficient, the speed-controlled phase inversion is efficiently realized by a one-step method, and the high-stability polymer-contained oil-soluble extractant microcapsule (membrane) is prepared by an in-situ cross-linking method. According to the method, effective reference is provided for a novel efficient extractant immobilization method, and meanwhile, efficient and stable immobilized extractant adsorbents can be provided for various separation and extraction fields.

The utility model relates to a damping device and power transmission device provide compact damping device. Damping device has first rotating part, second rotating part, elastic part and first friction part. First rotating part has along the circumference arrangement multiple first through -hole. Second rotating part has multiple second through -hole. Each second through -hole is when observing with the axial and corresponding each first through -hole overlap. Second rotating part is configured to be able to rotate with first rotating part. Elastic part links first rotating part and second rotating part elastically. First friction part is arranged between first rotating part and second rotating part. First friction part is constituted and slides with first rotating part in the radial inboard side to each first through -hole and each second through -hole. First friction part is constituted and rotates with second rotating part integrally.

The invention discloses a flow battery semi-through type packaging structure, which comprises a battery lamination module, a first end plate, a second end plate, a screw rod and a spring, the second end plate comprises a spring pressing plate, a plurality of rectangular pipes and a rectangular pipe fixing plate, and the rectangular pipes are arranged between the spring pressing plate and the rectangular pipe fixing plate at intervals; the spring pressing plate is connected with the rectangular pipe fixing plate through a bolt and clamps the rectangular pipe between the spring pressing plate and the rectangular pipe fixing plate, a plurality of springs are arranged between the rear end of the battery lamination module and the rectangular pipe at intervals, and a plurality of limiting grooves are formed in the first end plate; a screw rod sequentially penetrates through the limiting groove and the second through hole and is in threaded connection with a nut; by adopting the invention, the flow battery can be conveniently mounted, the production efficiency is improved, the production cost is saved, and the light weight and compactness of the flow battery are realized.

The invention provides a cooling device and the like which can cope with complexity of a flow path of a heat medium and can realize compactness. A cooling device is provided with: a case (1) in which flow paths (C1-C5) through which a heat medium flows are formed; a four-way valve (70) and an eight-way valve (71) which are multi-way valves, are provided in the case (1), and switch the flow path of the heat medium in the flow paths (C1-C5) by the rotation of the valve rotation shaft of the four-way valve and the eight-way valve; and a first pump (3a), a second pump (3b), and a third pump (3c), which are provided in the case (1) and pressure-feed the heat medium in the flow paths (C1-C5), the first pump (3a) being provided on a first case side surface (1a) facing one side in the width direction (D1) intersecting the rotational axis of the multi-way valves (70, 71), the second pump (3b) being provided on a second case side surface (1b) facing the other side in the width direction (D1), and the third pump (3c) being provided on the case (1) and pressure-feeding the heat medium in the flow paths (C1-C5). The third pump (3c) is provided in parallel with the first pump (3a) in a height direction (D3) intersecting the width direction (D1) in the first case side surface (1a).

The invention provides a vehicle which is provided with a knee air bag at the lower part of a storage box, so that the vehicle is compact, the freedom degree of layout design is improved, and the expansion stability of the knee air bag can be ensured. A vehicle is provided with a knee airbag (113) disposed in front of a passenger seat. A knee airbag (113) is provided on the lower portion of the glove box (11). The glove box (11) is provided with a shell (111) which is fixed to an instrument panel through a plurality of supporting parts (111b, 111c) and defines a containing space. An instrument panel cross member (13) fixed to the vehicle body is disposed above the top wall (111d) of the housing (111). The top wall (111d) is provided with a displacement regulating wall part (111e) which is raised upwards compared with other parts of the top wall (111d) and is separated from the instrument panel cross beam (13) at a distance that can abut against the instrument panel cross beam when the knee airbag (113) is deployed.