12results about How to "Absorb vibration" patented technology

The invention relates to a multi-shaft compressor unit and a control method thereof, in particular to a steam-electricity double-drive multi-shaft compressor unit connected with double clutches and a control method of the steam-electricity double-drive multi-shaft compressor unit. The technical problems that in the prior art, a pure electricity mode, a pure steam mode and a steam-electricity double-drive mode cannot be switched on line, and when steam is sufficient, a motor cannot be disengaged, so that energy is wasted are solved. The system comprises a multi-shaft compressor, a steam turbine, a motor, a first clutch, a second clutch, a steam flow sensor, a controller and a rotating speed sensor. The multi-shaft compressor comprises a driving shaft; the driving shaft is provided with two driving ends which are respectively a first driving end and a second driving end; the output shaft of the steam turbine is coaxially connected with the first driving end through a first clutch; an output shaft of the motor is coaxially connected with the second driving end through the second clutch; and rotating speed sensors are arranged on the first driving end, the second driving end, the steam turbine and the output shaft of the motor.

An anti-vibration device of a motor is used for positioning the motor on a base, the motor comprises a main body and two lugs, the two lugs are connected to an outer peripheral surface of the main body, the anti-vibration device comprises two anti-vibration pads, each anti-vibration pad is made of an elastic material and is provided with a fixing part and a buffering part, and the fixing part and the buffering part are arranged on the main body. The fixing part comprises a fixing hole for being installed on the base, the buffering part is arranged on one side of the fixing part, the buffering part is provided with a binding face and a groove, the binding face is used for being in contact with the peripheral face of the main body of the motor, and the groove is used for being in contact with the peripheral face of the main body of the motor. And the grooves are formed by recessing from the binding surface, and the lugs of the motor are inserted into the grooves.

This invention relates to a fan frame noise reduction structure, comprising a frame having a top and a bottom, and an airflow channel in the middle of the frame extending from the top to the bottom. The airflow channel forms an air inlet and an air outlet at the top and bottom, respectively. A noise reduction zone is provided between the airflow channel and an outer edge of the frame in at least one area of ​​the frame. At least one noise reduction unit is provided on the noise reduction zone, located between the top and the bottom and not connected to the airflow channel. The at least one noise reduction unit has a cavity that is sealed between the top and the bottom and does not extend through the top and bottom, thereby isolating airflow noise and absorbing frame vibration and its noise.

The utility model relates to the technical field of roller shutter door, and disclose a kind of roller shutter door roman line corner;The novel scheme, including roller shutter door corner track, the outside of the roller shutter door corner track is placed with sound-absorbing cushion, the outside of the sound-absorbing cushion is provided with roman line decorative shell, the outside of the roller shutter door corner track is evenly provided with locating block;The utility model is positioned by the positioning effect of the outside locating block of roller shutter door corner track, cooperate the adsorption of magnetic block and iron block, so that roman line decorative shell can be quickly installed without complex tool, and avoid the problem that traditional use screw fixing affects beautiful appearance;Through the clamping of taper head positioning pin and rubber sleeve, further improve the connection strength on the basis of magnetic attraction, even if long-term vibration influence is not easy to loosen and fall off;The setting of sound-absorbing cushion can effectively absorb vibration, reduce noise, reduce component wear;At the same time, the structure of magnetic attraction and clamping combination is more convenient when disassembling.

The utility model discloses an assembled four-rotor unmanned plane, including power subsystem and airborne platform subsystem, power subsystem includes propeller module and motor module, and propeller module is connected with motor module transmission, airborne platform subsystem includes structural board subassembly, and structural board subassembly includes upper layer center plate, lower layer center plate, battery lower plate and top plate, and there is the interval between upper layer center plate and lower layer center plate, airborne platform subsystem still includes machine arm subassembly, and machine arm subassembly includes a plurality of machine arms, and one end of machine arm is respectively with lower layer center plate and battery lower plate detachable connection, and the other end of machine arm is fixedly connected with motor module, the utility model discloses an assembled four-rotor unmanned plane, and its beneficial effect lies in, realizes the quick assembly and disassembly of complete machine structure, and promotes the portability and transportation efficiency, and is convenient for routine maintenance and component replacement.

This invention relates to a preamplifier for a single-channel marine seismic receiving cable. The preamplifier has a sealing plug at both ends of the cable insertion hole at the front end of the housing. The cable passes coaxially through the plug holes and is slidably sealed to the sealing plug. Each sealing plug has a pressure ring coaxially mounted on its large end face. The pressure ring is pressed into the conical bore section by a locking bolt, and the pressure ring does not contact the end face of the housing. The locking bolt is fixed to the housing wall, and a smooth cylindrical section slides with the pressure ring. An inner pressure ring abuts against the end face of a pressure plate via an elastic element. The pressure plate is located near the front end of the housing and is coaxially and integrally connected to the cable. There is a tensile movement range between the cable and the data interface of the circuit board, so that when the cable is towed by a ship, the pressure plate compresses the elastic element, further pressing the inner pressure ring against its corresponding inner sealing plug. This invention can significantly improve the preamplifier's sealing, vibration resistance, and the reliability of its connection to the cable.

The utility model discloses a copper-nickel composite busbar of a high-power lithium battery pack of a cross-country motorcycle, which comprises a copper-nickel composite busbar body, a connecting component is arranged on the copper-nickel composite busbar body, and a protective component is arranged on one side of the copper-nickel composite busbar body. According to the copper-nickel composite busbar, the connection stability is ensured, the connection looseness is effectively prevented, the connection reliability can be kept even in the severe environment of vibration or impact, meanwhile, the protection assembly arranged on the copper-nickel composite busbar body can effectively absorb vibration and impact, buffer protection is provided for the busbar, and the service life of the busbar is prolonged. Connection looseness or structural damage caused by external impact is prevented, the stability of the busbar in a severe environment is ensured, and damage of excessive vibration to the busbar is avoided.

The utility model relates to rail transit train field especially rail transit train inner suspension device, including support and suspension subassembly, the buffer and adjustment subassembly of being connected on support and suspension subassembly and the multifunctional extension subassembly of being connected on buffer and adjustment subassembly, the utility model discloses through the integration buffer and adjustment subassembly, utilize the combination of screw seat, connecting rod and spring, has realized the adjustment of the height of suspension device, makes it can adapt to different car interior structure and passenger height demand, simultaneously, through the double shock absorption design of spring and rubber protection sleeve, effectively absorbs the vibration and impact in train operation, through the setting of the corner of the support plate corner, and on the support rod and support plate integration adjustable LED lighting lamp and the hook, greatly enhanced the security, practicality and user experience of device, the anti -collision corner effectively prevents the passenger knock injury, the lighting lamp provides convenient lighting, the hook provides the flexible hanging space for passenger, has realized the diversification of function.

The utility model provides a kind of fiber winding bearing, comprising: bearing seat, the inside of bearing seat is provided with bearing body, lubricating mechanism is provided on bearing body, bearing body includes bearing outer ring, fixed groove is opened in the outside surface of bearing outer ring, the inside of bearing outer ring is integrally fixedly connected with outer fiber winding mold core, compared with prior art, the utility model has the beneficial effects as follows: by setting titanium alloy bearing outer ring, bearing inner ring and the bearing body of outer fiber winding mold core and inner fiber winding mold core composition, improve bearing body high strength, corrosion resistance and lightweight advantage, simultaneously by fiber winding mold core, further reduce weight and enhance damping performance, effectively absorb vibration and impact, reduce noise, by setting lubricating mechanism, continuously lubricated can effectively reduce the friction between ball and fiber winding mold core, reduce fiber winding mold core and the surface wear of ball, significantly prolong the service life of bearing.

This application provides a vibration damping component and a garment processing device. The vibration damping component includes a first moving member and a second moving member, which are rotatably connected and define a first rotation axis. The first moving member has a first through hole at its end away from the first rotation axis, which is used for direct or indirect connection to the housing of the garment processing device. The second moving member has a second through hole at its end away from the first rotation axis, which is used for connection to the drum assembly of the garment processing device. The axes of the first and second through holes are coplanar and define a first plane. The first rotation axis is parallel to the first plane, or the angle formed by the intersection of the first rotation axis and the first plane is less than 90°. The coplanar arrangement of the axes of the first and second through holes, such that the axes of the first and second rods are also coplanar, helps the vibration damping component to better absorb circumferential vibrations from the drum assembly.

The utility model relates to the technical field of PET folding box transportation, and discloses a PET folding box transportation device which comprises a base, moving wheels are fixedly installed at the bottom of the base, a frame is fixedly assembled on the top of the base, transportation protection assemblies are arranged on the outer walls of the two sides of the frame, and handles are fixedly installed on the outer walls of the two sides of the frame. A fixing bolt is unscrewed, a limiting handle slides on the outer wall of the fixing bolt through a round hole, a clamping column can be taken out of the inner wall of a mounting groove, the limiting handle is rotated, the clamping column can be separated from the mounting groove, and at the moment, a handle groove can be pulled to slide out a containing box from the inner wall of one side of a supporting frame; according to the PET folding box transporting device, the PET folding box stored on the inner wall of the supporting frame can be taken and placed, the PET folding box can be tightly wrapped, and invasion of moisture and dust is avoided, so that the PET folding box can be transported conveniently, transportation convenience is guaranteed, the PET folding box is prevented from being damaged, and the integrity of the PET folding box is guaranteed.

The utility model provides a vehicle stabilizer bar bushing, and relates to the technical field of vehicle bushings, the vehicle stabilizer bar bushing comprises an outer layer rubber sleeve, the outer wall of the outer layer rubber sleeve is provided with an annular protrusion, and the upper end and the lower end of the outer layer rubber sleeve are provided with lips turning outwards; the inner wear-resistant layer is tightly attached to the interior of the outer rubber sleeve; the middle buffer layer is arranged between the outer-layer rubber sleeve and the inner-layer wear-resistant layer, the outer-layer rubber sleeve is made of an ethylene propylene diene monomer material, the inner-layer wear-resistant layer is made of a polytetrafluoroethylene material, and the middle buffer layer is made of a porous rubber material; the inner wear-resistant layer effectively reduces the friction coefficient between the stabilizer bar and the bushing and improves the wear resistance of the bushing, the buffer layer made of porous rubber materials is arranged in the middle, vibration and impact energy can be better absorbed, the riding comfort of a vehicle is improved, the sealing performance of the bushing is enhanced through the lip edge, the sealing ring and the sealing rubber ring, and the service life of the stabilizer bar is prolonged. External impurities are prevented from entering.