Type that shocks resistance owner mixes isolator passively

The utility model discloses a type that shocks resistance owner mixes isolator passively, including the gasbag isolator, the electromagnetism actuator, the spring shocks resistance, on the gasbag, lower, on the gasbag, lap down, flexible magnetic conduction rubber, the permanent magnet, fin and temperature, acceleration sensor, the electromagnetism actuator, shock resistance the spring mounting in the gasbag isolator, the electromagnetism actuator has armature, the iron core, arrange the permanent magnet on the iron core in, arrange the flexible magnetic conduction rubber on the permanent magnet in, the coil of winding on the iron core, armature is fixed on lower, the spring that shocks resistance dress between the gasbag upper cover plate and the seat of honour or the dress between the electromagnetism actuator is lapped under with. Apron under the gasbag isolator is hugged closely around the iron core and the coil of actuator, the other end to the fin end, and the gasbag isolator installs ...

Water-lubricated ship stern bearing capable of realizing automatic load balancing

The invention discloses a water-lubricated ship stern bearing capable of realizing automatic load balancing. The stern bearing comprises an inner rubber layer, a first metal shaft sleeve layer, a second metal shaft sleeve layer, a self-adaptive material layer and a third metal shaft sleeve layer from inside to outside in sequence, wherein the self-adaptive material layer is distributed between the second and third metal shaft sleeve layers; the thickness of the self-adaptive material layer changes in a gradient manner along the axial direction of the stern bearing; the stern bearing is adaptively cured and formed with the oblique degree of a ship stern shaft. The invention further discloses the materials and embodiments of work specifications of the self-adaptive material layer, the metal shaft sleeve layers and the inner rubber layer. According to the water-lubricated ship stern bearing capable of realizing automatic load balancing, the rubber layer at the inner side of the water-lubricated ...

Double-layer high-pressure-resistance low-rigidity flexible compensation device

The invention discloses a double-layer high-pressure-resistance low-rigidity flexible compensation device which comprises a left large flange, a right large flange and a double-layer rubber pipe body arranged between the left large flange and the right large flange. The double-layer rubber tube body comprises an outer tube rubber tube body and an inner tube rubber tube body, each of the outer tube rubber tube body and the inner tube rubber tube body comprises n upper U-shaped bag bodies and (n-1) lower U-shaped bag bodies, the upper U-shaped bag bodies and the lower U-shaped bag bodies are alternately arranged, and U-shaped cavities of the upper U-shaped bag bodies and U-shaped cavities of the lower U-shaped bag bodies are oppositely arranged. The inner-layer rubber pipe body and the outer-layer rubber pipe body are connected in a sleeved mode, seawater can be prevented from entering the outer-layer rubber pipe body when the inner-layer rubber pipe body works, the outer-layer rubber pipe ...

High-pressure large load air spring

Impact-resistant type active-passive hybrid vibration isolator

The invention discloses an impact-resistant type active-passive hybrid vibration isolator. The impact-resistant type active-passive hybrid vibration isolator comprises a gasbag vibration isolator, an electromagnetic actuator, an impact-resistant spring, gasbag upper and lower bases, gasbag upper and lower cover plates, flexible magnetic conductive rubber, a permanent magnet, a radiating fin and temperature and acceleration sensors, wherein the electromagnetic actuator and the impact-resistant spring are mounted in the gasbag vibration isolator; the electromagnetic actuator comprises an armature, an iron core, the permanent magnet arranged on the iron core, the flexible magnetic conductive rubber arranged on the permanent magnet and a coil wound on the iron core; the armature is fixed on the lower base; and the impact-resistant spring is arranged between the gasbag upper cover plate and the upper base or between the electromagnetic actuator and the lower cover plate. One end of the radiating ...

Method for calculating inherent frequency of single-rotor magnetic pendulum type mechanical antenna

The invention discloses a method for calculating the inherent frequency of a single-rotor magnetic pendulum type mechanical antenna. The method comprises the following steps of: calculating a static magnetic field generated by a stator permanent magnet in a space and a static magnetic field generated by a rotor permanent magnet in the single-rotor magnetic pendulum type mechanical antenna by using virtual magnetic charges; the influence of the static magnetic field generated by the stator permanent magnet in the space and the influence of the static magnetic field generated by the rotor permanent magnet in the space on the magnetization intensity of the stator permanent magnet and the magnetization intensity of the rotor permanent magnet are calculated, and the magnetization intensity and the static magnetic field of the stator permanent magnet and the magnetization intensity and the static magnetic field of the rotor permanent magnet are corrected through iteration; and calculating the ...

平衡式肘形橡胶软管

The invention is a balanced elbow type rubber hose, which with 90 degrees curving structure; it can maintain the shape invariable under the pressure of the fluid in the pipe. It is made up of inner glue layer, frame layer and outer glue layer, the frame layer is formed by winding the fiber curtain lines according to angle calculated with the balance, the winding layer includes the crossed vertical winding layer and the round winding layer. The hose structure is a balance structure; it can maintain the stability of the shape. The invention can be used as flexible connection component for right-angle part of pipe system matching with proper rubber pipe interface, releases the force and bending torque generated by factors of thermal expansion in pipe system, compensates the shift in the three freedoms caused by the vibration and impact. The pipe has good balance, the axial deformation is small under the pressure of the fluid in pipe, the inwards and outwards bend deformations goes to zero, ...

Intelligent air bag vibration isolation device

The invention relates to a vibration isolation device, which uses an air bag vibration isolator as an elastic element, and can automatically realize intelligent functions such as air inflation, air supplementation, load distribution, high-precision attitude control, fault diagnosis, network monitoring and the like. The vibration isolation device consists of the air bag vibration isolator, a controller, a displacement sensor, an air supply, an air inflation control unit, a concentrator, an air circuit and a cable, wherein the displacement sensor senses relative displacement between equipment and a pedestal; a pressure sensor and an electromagnetic valve are integrated in the air inflation control unit for sensing pressure of the air bag vibration isolator and controlling inflation and deflation of the air bag; and the controller carries out analysis processing on a sensor signal and adjusts the pressure and height of the air bag vibration isolator by controlling the air inflation control ...

Multichannel narrowband control algorithm for mechanical active vibration isolation

The invention relates to a multichannel narrowband control algorithm for mechanical active vibration isolation. A vibration sensor picks, close to a vibration source, reference signals, narrowband band pass filters of all frequency ranges that are divided in advance extract time domain line spectrum reference signals, a multichannel second-order filter operation is utilized to obtain reference signals that are filtered by secondary channel inverse models and that are used for self-adoptive control, and the convergence speed which is faster than the speed obtained by an FxLMS algorithm can be obtained while the stability is ensured. A phase difference compensator which only contains second-order parameters and enables on-line self-adaptive adjustment of the parameters to realized along with frequency fluctuations is in series connection behind the narrowband band pass filters, so no phase difference exists between the extracted line spectrum reference signals and the original reference signals ...