70results about How to "Reduce connection links" patented technology

The invention discloses a beam and column connecting member which comprises an integrally-formed beam and column connecting member body, upright splicing heads and a horizontal support joint, wherein the beam and column connecting member is formed through casting; and a building frame structure comprises the beam and column connecting member, an upright spliced and fixed with the upright splicinghead, and a beam supported and fixed with the horizontal support joint. An installing method comprises the steps of: installing the upright spliced and fixed with the lower upright splicing head, installing the beam and column connecting member, and installing the beam. The invention has the advantages of greatly reducing connecting links of fastening connection or welding of bolts and the like, greatly reducing defects of poor stress and weak connection of connecting positions, caused when stress is excessively concentrated on beams and column or connecting positions among the beams, therebygreatly increasing installing efficiency and seismic resistance function, service life and use safety of a building frame structure. The beam and column connecting member can be massively pre-produced in a standardized manner.

The invention provides a power supply system of a partial discharge test used for an extra-high voltage transformer. The power supply system comprises an electromotor 1, an intermediate frequency generator 2, a control cabinet 3, a power supply wire inlet 4, a generator wire outlet 5, a protective cabinet 6, a low-voltage compensating reactor 8, an intermediate transformer 9, a compensating reactor 10, a test object 11, and the like; and all the device are integrally arranged in a container cabinet made of metal. The system provides the stable and reliable power supply system with little background interference for an on-site induced voltage test and the partial discharge test of the extra-high voltage transformer, and guarantees to meet the requirement for testing the test object of the extra-high voltage transformer.

The invention relates to a differential electric driver and belongs to the technical field of differential electric drivers. A split turbocharged speed reducer differential electric driver comprises a motor shell and a motor shaft, and is characterized in that: the driver also comprises a shell of a reduction booster; a shell of a differential mechanism in the shell is fixedly connected with the shell of the reduction booster through a bearing; the periphery of the motor shaft is provided with a main driving gear fixedly connected therewith; the main driving gear is in transmission connection with a main driving planetary gear arranged on the periphery of the main driving gear through a main driving planetary gear shaft; the main driving planetary gear is meshed with a turbine main reduction gear fixedly connected with the shell of the differential mechanism; and the turbine main reduction gear is connected to a speedometer gear sensor through a speedometer driving ring gear arranged on one side thereof. The differential electric driver improves the output torque of an axle shaft of the differential mechanism, greatly improves climbing capacity of an electrocar, changes the phenomenon that the prior electrocar has high power consumption when starting, decreases multiple connecting links, reduces the noise of the electrocar, and leads the development direction of future electrocars.

The invention discloses a gas insulated switchgear, including at least two isolation units and two earth units, breaker units connect with the isolation units and the earth units, and a shell contains insulating air and the breaker units, and the axis of the shell is in horizontal direction. The described two isolation units and the earth units are set on both sides of the breaker unit, which are the composite isolation-earth switch base on isolation function and earth function, and it achieves a mechanical interlock about the isolation function and earth function. The two isolation-earth switches are placed on each side of the two isolation-earth switch containers, and the top of each container vertically connects a metal airtight container and an insulation sleeve, and the insulation sleeve is set vertically. The isolation-earth switch connects to a conductor overhead through the insulation sleeve on the left and connects to a bus conductor of electricity overhead through the insulation sleeve on the right.

The present invention relates to a high stability multi-angle and multi-freedom satellite releasing and bearing apparatus of a space remote sensing camera. According to the present invention, a clamped connection point is arranged on an installation foot position for installing an optical remote sensing camera and a satellite, other connection points are provided with slice type flexible hinge structures according to line connecting directions of the connection points and the clamped connection point, such that a quasi-static clamped support manner of the remote sensing camera relative to a satellite installation plate is formed, the deformation and the uninstallation of the satellite installation plate by the remote sensing camera are realized, the slice type flexible hinge has high structure rigidity in the in-plane direction of the slice. With the present invention, the coupling effect of the camera structure and the thermal deformation of the satellite large base plate is effectively reduced, the sufficient whole support rigidity can be provided for the camera, such that the problem of imaging quality of the space remote sensing camera due to the thermal deformation of the satellite base plate is solved so as to ensure the imaging quality and the imaging stability of the space remote sensing camera after the space remote sensing camera enters the orbit; the method has characteristics of simple structure design, compact configuration, less connection steps and high reliability.

A beam-column connecting component comprises an integrally formed beam-column connecting component body, an upright socket which needs to be inserted and fixed to an end portion of an upright in a direction perpendicular to the horizontal plane and protrudes from the beam-column connecting component body in the vertical direction, and a horizontal supporting joint which directly supports a cross beam parallel to the horizontal plane and protrudes from the beam-column connecting component body in the horizontal direction. The upright socket comprises two symmetrical U-shaped blocks vertically protruding from the beam-column connecting component body and having openings toward two sides, round tables are formed on the bottom planes of U-shaped grooves of the two U-shaped blocks; a reinforcing rib is connected between the round tables; and a threaded through hole is formed in each round table. The beam-column connecting component has the advantages that fastening connection or welding and the like are greatly reduced, and the defects of poor stress and weak connection at the connection position due to overconcentration of stress on the connection position between the beam and the column or between the beams are greatly reduced, so that the mounting efficiency, the anti-vibration function and the use safety of the building frame structure are greatly improved, and the service lifeof the building frame structure is prolonged; and the beam-column connecting components can be produced in advance on a large scale and in a standardized manner.

The invention discloses a rotational locking joint, which comprises a fixed hinge joint (1), a movable hinge joint (2) and a connection release mechanism. The inner sides of the fixed hinge joint (1) is connected with the inner side of the movable hinge joint (2) through a fixed connecting axle (6), and the outer sides are connected through the connection release mechanism; a chip-type actuator spring (5) is connected with the outer side of the fixed hinge joint (1) through a lower connecting axle (7), and the other end of the chip-type actuator spring (5) is connected with the outer side of the movable hinge joint (2) through an upper connecting axle (8); when the rotational locking joint is locked, the chip-type actuator spring (5) is in a bent strained condition, and after being unfolded to a destination operating condition, the chip-type actuator spring (5) is in a stretching condition. When the rotational locking joint is locked and unfolded, the strained condition of the chip-type actuator spring (5) is reasonably utilized, compared with the prior product, the connection links during the executive process are reduced, the structural weight is reduced, the system reliability is enhanced, and simultaneously the component has large bearing capacity.

The invention relates to the improvement of a speed-increasing gearbox of a wind driven generator, which is characterized in that: a gear transmission has 3 to 4 stages, wherein the last stage is a planetary gear transmission; the former stages are all double-circular-arc cylinder herringbone spiral gear transmissions. Compared with the conventional generally-used speed-increasing gearbox which mainly uses the planetary gear transmission, because the low-speed stages (1 to 3 stages) adopt double-circular-arc cylinder herringbone spiral gears with high transmission efficiency and a subsequent stage adopts the planetary gear transmission, the advantages of the double-circular-arc cylinder herringbone spiral gear transmission and the planetary gear transmission are combined together, thus the effective one-off life is long, the transmission efficiency is high and the volume is small; and moreover, the double-circular-arc cylinder herringbone spiral gear is used for the speed-increasing gearbox of the wind driven generator for the first time.

The invention discloses a multi-channel high-pressure gas mechanical reversing mechanism. The multi-channel high-pressure gas mechanical reversing mechanism comprises a valve casing with a cylindrical through cavity, and a cylinder valve element plugged in the cylindrical through cavity of the valve casing in an interval mode, wherein multiple air outlets are evenly formed in the upper portion of the valve casing in the circumferential direction; each air outlet is fixedly connected with an air outlet pipe; an air inlet is formed in the lower portion of the peripheral surface of the valve casing; three annular grooves are formed in the peripheral surface of the cylinder valve element at intervals from top to bottom; an air outlet channel is formed at the position, between the first annular groove and the second annular groove, of the peripheral surface of the cylinder valve element and located at the height position of the air outlets; the air outlet channel extends to the axis position of the cylinder valve element; an air guide annular groove is formed in the position, between the second annular groove and the third annular groove, of the peripheral surface of the cylinder valve element and located at the height position of the air inlet; air inlet channels are formed in the bottom of the air guide annular groove in the radial direction; an air guide channel communicated with the air outlet channel is upwards formed in the junction of the air inlet channels. The multi-channel high-pressure gas mechanical reversing mechanism has the advantage that the purely mechanical structure is adopted, so that the fault problems that a traditional solenoid valve needs to be supplied with power and is switched uninterruptedly are solved.

The scalable chip architecture of tile-type TR component millimeter wave proposed by the invention aims to provide the universal, reliable, flexibly extensible and low-cost chip architecture with highfunctional density and channel integration density. The invention is realized by the following technical solutions: four paths of amplitude-phase modulation channels of the amplitude-phase modulationchip are bilaterally symmetric, the one-divide-into-four power distribution synthesis network disposed in the center of the amplitude-phase modulation chip is connected to the amplitude-phase modulation unit corresponding to the four paths of amplitude-phase modulation channels, the one-divide-into-four power distribution synthesis network is connected to the radio frequency port of the docked common port of the antenna beamforming network by the connected common channel gain compensation unit, the opposite sides of the radio frequency port are provided with digital function units, and the four symmetric amplitude-phase modulation units are symmetrically connected to the low-noise / power amplification unit in the multifunctional chip respectively through the four-channel radio frequency ports correspondingly connected at left and right sides of the amplitude-phase modulation chip, thereby forming an expandable basic unit that communicates with respectively corresponding sub-array antenna interconnecting radio frequency interfaces.

The invention provides a connector for building frame structures. The connector comprises an integrally formed connector body and a support joint arranged on the connector body in a protruding manner, wherein the support joint comprises a side convex part protruding along the horizontal direction from the side of the connector body; two symmetrical limiting convex parts parallel with each other horizontally extend upwards from the top surface of the side convex part and then are bent outwards; and the distance between the opposite surfaces of the two limiting convex parts is matched with the vertical part of H section steel or I section steel with T-shaped ends. The connector has the following advantages: fastening connection or welding is greatly reduced and the defects that the connection position between a beam and a column or between beams has poor stress effect and poor connection because the stress is excessively concentrated on the connection position are greatly reduced, thus greatly improving the installation efficiency, seismic resistance function, service life and use safety of the building frame structures; and the connector can be produced in mass in advance in a standard manner.

The invention relates to a high-speed helicopter transmission system, which belongs to the field of space flight and aviation, comprises a main rotor transmission subsystem and a propeller transmission subsystem, adopts a pure bevel gear train in structure, and consists of a propeller horizontal reversing bevel gear pair, a main rotor vertical reversing bevel gear pair and a two-wing horizontal reversing bevel gear pair. Power is input through a helicopter main reduction shaft. Power is transmitted through two paths to drive the main rotor and the two-wing propellers respectively, wherein onepath is transmitted from the main reduction shaft to the propeller horizontal reversing bevel gear pair and the two-wing propeller bevel gear pair and then horizontally reverses through the two-wing propeller bevel gear pair to drive the propeller, and the other path is transmitted from the main reduction shaft to the main rotor vertical reversing bevel gear pair and then drives the main rotor torealize power output. While two functions of driving the main rotor wing by vertical reversing of power and driving the propeller by horizontal reversing are realized, the structure is compact, the weight is light, the transmission efficiency is high, the stability is good, the stable driving capability is realized, and the medium-high speed transmission is realized.

The present invention relates to a high stability multi-angle and multi-freedom satellite releasing and bearing apparatus of a space remote sensing camera. According to the present invention, a clamped connection point is arranged on an installation foot position for installing an optical remote sensing camera and a satellite, other connection points are provided with slice type flexible hinge structures according to line connecting directions of the connection points and the clamped connection point, such that a quasi-static clamped support manner of the remote sensing camera relative to a satellite installation plate is formed, the deformation and the uninstallation of the satellite installation plate by the remote sensing camera are realized, the slice type flexible hinge has high structure rigidity in the in-plane direction of the slice. With the present invention, the coupling effect of the camera structure and the thermal deformation of the satellite large base plate is effectively reduced, the sufficient whole support rigidity can be provided for the camera, such that the problem of imaging quality of the space remote sensing camera due to the thermal deformation of the satellite base plate is solved so as to ensure the imaging quality and the imaging stability of the space remote sensing camera after the space remote sensing camera enters the orbit; the method has characteristics of simple structure design, compact configuration, less connection steps and high reliability.

The invention discloses an electromagnetic braking cooperation mechanism self-locking navigation inertial unit transposition locking mechanism, and belongs to the technical field of space navigation control, and aims to solve the problems in the prior art that a mechanism toothed disc is stuck and cannot be tested continuously, the failure rate is high, the mechanism test error is large, the mechanism state cannot be freely switched, and the test efficiency is low. The electromagnetic braking cooperation mechanism self-locking navigation inertial unit transposition locking mechanism comprises: a mechanism frame; a transmission shaft system positioned in the mechanism frame and in running fit relative to the mechanism frame, wherein the transmission shaft system at least comprises a first transmission locking shaft, a hollow shaft and a second transmission locking shaft which are coaxially arranged in sequence; a driving self-locking device connected with the end portion of the first transmission locking shaft, wherein driving self-locking and rotation driving of the transmission shaft system are realized through the driving self-locking device; an electronic braking device connected with the end portion of the second transmission locking shaft and used for braking the transmission shaft system; and a high-precision split testing device used for measuring the angle change of a navigation inertial unit in the hollow shaft.