25results 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.

The invention discloses an air bag type polishing device which comprises a power mechanism, an air cavity mechanism, an air bag type polishing mechanism, a feeding mechanism and a transition plate, the air cavity mechanism and the feeding mechanism are both arranged on the transition plate, and an output shaft of the power mechanism is in linkage with the air bag type polishing mechanism through the air cavity mechanism. The air cavity mechanism supplies compressed air to the air bag type polishing mechanism, and the feeding mechanism can drive the transition plate to move. Uniform air supply is achieved through the air cavity mechanism, uniform expansion of the air bag type polishing mechanism is ensured, the contact pressure between a polishing layer and a to-be-polished surface is kept constant, local abrasion is reduced, and polishing consistency and efficiency are improved.

The invention relates to the technical field of metal processing, and discloses a sofa metal accessory processing device which comprises a base, a supporting seat is fixedly connected to the side wall of the base, an abrasive container is fixedly connected to the interior of the supporting seat, a protective shell is slidably connected to the top of the base, and a clamping mechanism is rotatably connected to the interior of the protective shell. The side wall of the abrasive container is fixedly communicated with an electric control rotary nozzle, a dispersing column, a first fillet block and a second fillet block are driven to synchronously move by matching with rotation of a gear, so that the abrasive is uniformly distributed, blockage is prevented, the first fillet block and the second fillet block scatter the abrasive from two opposite directions, and the service life of the abrasive is prolonged. According to the feeding device, the agglomeration phenomenon of the grinding materials is effectively avoided, the distribution uniformity of the grinding materials in the grinding material container is improved, the risk of blockage is reduced, and the centrifugal scattering feeding assembly is beneficial to improving the working environment of the feeding device and the grinding material container and prolonging the service life of the feeding device and the grinding material container.

The utility model discloses a building board transportation stabilizing frame which comprises an outer box, an inner box and a placing box, four buffering assemblies are arranged on the placing box, each buffering assembly comprises a guide rod, a guide block, a second damper and a second spring, and a guide groove is formed in the inner box. By arranging the lifting assembly and the starting motor, direct contact, collision or friction between the bottom of the building plate and the device is avoided, so that the risk of damage to the building plate is reduced, meanwhile, loading or unloading of the building plate is facilitated, and the working efficiency is improved; through the arrangement of the buffer assembly, under the cooperation of a second damper and a second spring, the stability is kept when the building plate is impacted laterally, the building plate is kept stable, the damage risk is reduced, and the transportation efficiency is improved; through cooperation of the first dampers and the first springs, vibration and impact generated in the transportation process can be effectively absorbed, the building board is prevented from being damaged, and the transportation safety is improved.

The invention relates to the technical field of electrical measurement, and discloses a novel electronic megohmmeter which comprises a megohmmeter body, a rectangular clamping groove is fixedly clamped to the bottom of the megohmmeter body, a flexible organ cover is fixedly connected to the side face of the rectangular clamping groove, a first box body is fixedly connected to the outer surface of the flexible organ cover, and a second box body is fixedly connected to the outer surface of the first box body. The lower surface of the rectangular clamping groove is fixedly connected with a torsion balance mechanism and a vertical balance mechanism, and the outer surface of the torsion balance mechanism is fixedly connected with a vibration absorption mechanism, so that vibration in the vertical direction and torsion of measurement through rotation of a rocker can be reduced, the measurement precision and stability are improved, and the megohmmeter body can be supported. According to the invention, normal operation is ensured, a powerful guarantee is provided for stable operation of equipment, vibration in the vertical direction can be effectively absorbed, torsional vibration can be balanced, various sensitive elements in the equipment are greatly protected, the service life of the equipment is prolonged, and the reliability and stability of the equipment are improved.

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 invention discloses building shear wall ceiling modular construction equipment and method, and relates to the technical field of building engineering. The building shear wall ceiling modular construction equipment comprises a movable T-shaped lifting support, a movable horizontal supporting block, a lifting stretching structure, a lifting moving structure, a balance weight adjusting structure and an auxiliary fixing structure. By moving a lifting moving structure on a horizontal supporting block, moving a T-shaped lifting support and a series of precision assemblies in an auxiliary fixing structure, quick and accurate positioning and limiting of a prefabricated slab are achieved, and stability and accuracy in the machining process are ensured; by utilizing the synergistic effect of a conduction electromagnet, a tooth-mounted metal rod, an extrusion magnet and a multi-stage telescopic block and combining a lifting driver, stable lifting of a prefabricated slab in the vertical direction is achieved, flexible angle adjustment is achieved through components such as a concave angle adjusting block, and diversified machining requirements are met.

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 electric grinding tool with a vibration reduction structure, and relates to the technical field of electric tools. According to the technical scheme, the two ends of the output shaft are sleeved with first bearings, axle boxes are arranged on the outer sides of the first bearings, a plurality of first annular grooves are formed in the axle boxes, first rubber rings are embedded in the first annular grooves, and the first bearings are sleeved with the first rubber rings. The electric grinder has the advantages that under the condition that the machining difficulty of the output shaft is not increased, vibration isolation or vibration absorption structures or parts are additionally arranged in the vibration transmission process, the vibration amplitude of the handheld position of the electric grinder is reduced, the use hand feeling of the electric grinder is improved, and the product competitiveness is further improved.

The invention discloses a vibration reduction base of an energy storage box and an energy storage box system. The vibration reduction base of the energy storage box comprises a lower base and an upper base, the upper base is arranged on the lower base, and the upper base is used for placing an energy storage box; the vibration reduction assembly is arranged between the lower base and the upper base and / or arranged on the upper base; the locking assembly is arranged on the upper base, the locking assembly is provided with a locking position and an unlocking position, when the energy storage box is placed on the upper base, the locking assembly is located at the locking position, and the locking assembly is matched with the energy storage box in a locking mode. By arranging the vibration reduction assembly and the locking assembly, the energy storage box can be firmly fixed to the vibration reduction base in the transportation process, and vibration of the energy storage box in the transportation process can be effectively absorbed through the vibration reduction assembly on the vibration reduction base.

The invention discloses an outdoor insect-proof power distribution cabinet for a communication base station, and relates to the technical field of power distribution cabinets. The outdoor insect-proof power distribution cabinet for the communication base station comprises a power distribution cabinet box body, a box body door plate, a solar device, an air inlet device, a cleaning device and a supporting device, firstly, the power distribution cabinet box body is made of a corrosion-resistant material and can resist erosion and damage of an outdoor severe environment, secondly, the solar device is integrated to the top of the power distribution cabinet, and the cleaning device is arranged on the top of the power distribution cabinet. The system is used for providing a reliable independent power supply for internal power equipment, saving energy and reducing operation cost. The air inlet device is provided with a filter and an insect-proof net, insects and dust are effectively prevented from entering the box body, the cleaning device is designed to clean insect pests and sundries, good ventilation is ensured, the supporting device improves shock resistance and wind resistance, and the problem that a traditional power distribution cabinet is prone to being affected by insect pests in the outdoor environment is effectively solved. Reliability, stability and safety of the device are improved, and the device is suitable for various outdoor communication base stations and device installation scenes.

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 food processor comprises a main machine, the main machine comprises a main body forming a mounting cavity and a base, a motor assembly is arranged in the mounting cavity, the motor assembly is flexibly mounted below the main body, and the motor assembly comprises a motor, a motor cover covering the outer side of the motor, an air duct cover connected to the lower portion of the motor cover and an air duct cover; an opening is formed in the bottom of the air duct cover, the air duct cover and the air duct cover are fixed and seal the opening, a longitudinally extending heat dissipation air duct is formed in the motor cover, the air duct cover and the air duct cover define an air outlet air duct which extends transversely and is communicated with the heat dissipation air duct, and the motor assembly is provided with an air inlet communicated with the heat dissipation air duct and an air outlet communicated with the air outlet air duct. The motor assembly can form a complete heat dissipation structure, the air duct cover does not need to be matched with the base to form an air outlet duct, and it can be avoided that assembly errors of structural parts affect forming of the air outlet duct, and then air outlet is affected; the motor assembly can be suitable for hosts of different models or sizes, and the universality is improved.

The utility model discloses a shock-absorbing anti-collision electric appliance cabinet, which relates to the technical field of electric appliance cabinets, and is characterized in that the shock-absorbing anti-collision electric appliance cabinet comprises an electric appliance cabinet body, a protective shell is arranged outside the electric appliance cabinet body, a first shock-absorbing buffer mechanism is arranged at the top end in the protective shell, and the first shock-absorbing buffer mechanism comprises a motor arranged at the top end of the protective shell; and a first gear is connected to the position, located in the center of the top face of the protective shell, of the output end of the motor, a second gear is engaged with the lower portion of the first gear, a two-way threaded rod is connected to the axis of the second gear, and fixing rings are rotationally connected to the two ends of the two-way threaded rod correspondingly. Therefore, the electric appliance cabinet bodies with different lengths can be stabilized in the protective shell, the practicability is high, meanwhile, through the arrangement of the first elastic cushion, the second elastic cushion and the damping supporting mechanism, external impact and vibration can be effectively absorbed, and electric appliance equipment in the electric appliance cabinet bodies can be better protected.

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 discloses a combined type partition wall for indoor decoration, which comprises at least one alignment connecting rail, two sides of each alignment connecting rail are respectively connected with a left side wall plate and a right side wall plate, and two sides of the left side wall plate and two sides of the right side wall plate are provided with protrusions. Positioning channels are arranged on the two sides of the alignment connecting rail correspondingly, and magnetic positioning strips matched with the positioning channels are arranged on the left side wall plate and the right side wall plate correspondingly; a plurality of sleeves are arranged on the alignment connecting rail, the sleeves are located between the positioning ways, conical push rods are movably arranged in the sleeves, a cavity is formed in the alignment connecting rail, and the push rods penetrate through the alignment connecting rail and extend into the cavity; two sliding blocks are arranged in the cavity and arranged on the two sides of the push rod respectively. A magnet is arranged on the side, away from the push rod, of the sliding block and opposite to the magnetic positioning strip in polarity. A buckling mechanism used for pushing the push rod is further arranged above the push rod. The problems that the wallboard cracks or the wall body is damaged due to too many drilled holes, and the wallboard mounting and dismounting process is tedious are solved or relieved.

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.

The utility model belongs to the technical field of engineering machinery, and particularly relates to a rotary power speed reducer mechanism capable of being provided with four hydraulic motors, which comprises a machine body base, a shell, a plurality of bearing sets, a plurality of hydraulic motors, a plurality of oil pumps and a gear set, the shell is of a hollow structure and is fixedly connected with the machine body base, and the bearing sets are fixedly connected with the shell. The bearing set is symmetrically arranged on the outer side of the shell, the gear set is arranged in the shell, an input shaft of the hydraulic motor and a pump shaft of the oil pump are fixedly connected with the gear set respectively, and a plunger of the oil pump is close to the bearing set and the gear set. The service life of the mechanism is prolonged.

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 double-damping device comprises a first fixing sleeve matched with the surface of a tower drum, the surface of the first fixing sleeve is connected with the top of a spring damping device through a fixing block, the bottom of the spring damping device is connected with the top of a bearing platform, and the bottom of the bearing platform is connected with a rubber support through a pile; vibration transmitted to the draught fan supporting structure and the foundation is effectively reduced, the stress of the structure can be reduced, the service life of the draught fan and the supporting structure is prolonged, meanwhile, impact force and vibration generated when the draught fan operates can be absorbed, and therefore the stability of the draught fan is improved, and it can be guaranteed that the draught fan stably operates under different working conditions.

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.