22results about How to "Avoid vibration transmission" patented technology

The invention discloses a high-speed dragging device and method applied to a permanent magnet synchronous servo motor vibration test, and relates to the technical field of motor vibration tests. The motor testing device comprises a testing platform arranged on a testing box and a motor to be tested, a driving roller is arranged at the driving end of the motor to be tested, and the motor testing device further comprises a positioning testing unit which comprises a positioning assembly and a testing assembly; and the dragging load unit comprises a loading assembly, a damping assembly and an accelerating assembly. The device has the advantages that the vibration speed test and the overall displacement vibration test of the driving end of the to-be-tested motor can be synchronously carried out, the flexible adjustment of the load capacity can be realized in a non-stop dragging state, the test efficiency can be improved, the test sample data can be increased, the precision of the test result is improved, and the test cost is reduced. And meanwhile, effective damping can be carried out when the load is adjusted, vibration is prevented from being transmitted to the motor to be tested to influence the accuracy of a test result, and the test precision is higher.

The utility model provides a vacuum vibration table and a sealing vibration test device, and the vacuum vibration table comprises a vibration table body, a moving coil which is connected with the vacuum table body to output vibration, a vibration pedestal which is used for supporting the vibration table body, and a trunnion which is connected with the vibration table body and the vibration pedestal. The trunnion comprises a first fixing piece fixed with the vibration table body, a second fixing piece fixed with the vibration base and an air spring propped between the first fixing piece and the second fixing piece, the first fixing piece comprises a first propping part, the second fixing piece comprises a second propping part, and the second propping part is axially positioned between the first propping part and the moving coil along the air spring; the two ends of the air spring are fixedly connected with the first abutting part and the second abutting part correspondingly. According to the vacuum vibration table and the sealed vibration test device, the first abutting part is arranged on one side, far away from the moving coil, of the second abutting part, so that negative pressure suction force received by the moving coil can be balanced.

The invention relates to the technical field of transmission structures, and provides a transmission structure for an impeller shaft of an impeller head and an online rotation detection device, which are convenient for preventing vibration from being transmitted to a motor, so that the motor is not easy to damage, the motor can be independently replaced and overhauled, meanwhile, the dynamic balance state of an impeller shaft body is convenient to detect, and the service life of the impeller shaft body is prolonged. The shot blasting device comprises a shot blasting device body, a bottom plate, a rotation detection assembly and a stabilizing plate, the bottom plate is installed on the shot blasting device body, an impeller shaft body is arranged on the shot blasting device body, a flexible coupler fixedly sleeves the impeller shaft body, a rotating shaft fixedly sleeves the flexible coupler, a fixing plate is rotationally connected to the rotating shaft, and the stabilizing plate is arranged on the bottom plate. The fixing plate is fixedly connected to the bottom plate, the rotation detection assembly is arranged on the bottom plate and used for detecting dynamic balance of an impeller shaft body, the stabilizing plate is fixedly connected to the bottom plate, a rotating shaft is rotationally connected to the stabilizing plate, and a transmission assembly is arranged between the rotating shaft and the rotating shaft.

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

The utility model discloses a platform reinforcing device and an ore storage tank. The platform reinforcing device comprises a foundation structure and a reinforcing structure, the bottom end of the lower supporting column is connected with the foundation structure; the top end of the upper supporting column is connected with the upper platform beam; the bottom end of the upper supporting column is connected with the top end of the lower supporting column through the supporting connecting structure, the lower platform below the upper platform beam is located between the upper supporting column and the lower supporting column, and vibration isolation gaps are formed between the lower platform and the upper supporting column and between the lower platform and the lower supporting column. Resonance caused by the fact that the natural vibration frequency of the upper platform beam of the vibrating screen platform is close to the vibration frequency of a vibrating screen can be avoided, vibration of the upper platform beam of the vibrating screen platform is reduced, the vibration can be transmitted to a base structure, structural damage of the upper platform beam caused by vibration is avoided, reinforcing of the upper platform beam is achieved, and the service life of the vibrating screen platform is prolonged. And the vibration can be prevented from being transmitted to the weighing platform, so that the stable operation of the weighing device on the weighing platform can be ensured.

The invention provides a flexibly-connected lead screw nut transmission device and an adjusting method, and solves the problem that the linear motion stability is affected by radial vibration, the lead screw nut transmission device comprises a lead screw nut transmission mechanism, a guide rail mechanism, a motion assembly and a supporting plate; the lead screw nut transmission mechanism is installed on the supporting plate. The guide rail mechanism comprises a guiding guide rail and a motion supporting guide rail. The moving assembly comprises a connecting part and a moving part; the connecting part is connected with the moving part through a movable connecting piece, and the connecting part is flexibly connected with the lead screw nut transmission mechanism. The installation and adjustment method comprises the steps of installation and adjustment of the lead screw nut transmission device, and the adjustment comprises the step of adjusting the detachable connecting piece of the switching supporting flange and the detachable connecting piece of the moving part till the connecting part moves smoothly on the guide rail and the moving speed meets the requirement. On the basis of ensuring the stability of linear motion, the vibration generated by the action of radial force is eliminated, and the stability and the motion precision of the motion part in the motion process are improved.

The utility model discloses a portable brake motor, which relates to the field of brake motors and comprises a shell component, damping components are fixedly connected to two ends of the inner side wall of the shell component, a motor is lapped on one side of each damping component, and a lifting component is fixedly connected to the middle of the inner top wall of the shell component. According to the utility model, the outer surface of the motor is protected through the housing assembly and the square box, the problem that the service life of the motor is affected due to rusting caused by wetting of rainwater during carrying in rainy days is avoided, the circular box and the square box are movably connected through the connector, and the motor is convenient to mount and dismount and convenient to use by screwing off the circular box through threads; the protection range of the square box to the motor is prolonged through the circular box, ventilation and heat dissipation of the square box are guaranteed, meanwhile, the rainproof effect is improved, friction force between the clamping plates and the motor is increased through the arranged damping assemblies and anti-skid pads, the motor is prevented from slipping off, and when the motor falls accidentally, damping springs deform to absorb energy.

The utility model discloses a kind of pole piece weighing device and the battery production system with it, pole piece weighing device includes: weighing assembly, weighing assembly includes first support and weighing module, weighing module is located on first support, and including the weighing unit for measuring pole piece weight;Feeding and discharging assembly, feeding and discharging assembly includes second support and feeding and discharging module, second support and first support are mutually independent and interval arrangement, feeding and discharging module is located on second support, and for pole piece is conveyed to weighing unit and pole piece is removed from weighing unit.According to the pole piece weighing device of the utility model, manual intervention can be reduced, labor cost is reduced, human error is reduced, the detection accuracy of weighing unit can be considered while high efficiency, ensure the accurate control for pole piece weight, match the high-speed production demand of battery production system.

The utility model provides a kind of winding fixed anti-loosening reinforcing type transformer, belong to transformer technical field, including transformer body, the inner chamber of transformer body is embedded with equidistant distribution's sealed partition, the inner chamber of transformer body is evenly formed winding chamber by equidivided sealed partition, the horizontal sliding of two side edges' H type slide on transformer body inner wall.Anti-loosening frame is located above the inside of winding chamber, the coil of winding top is tightened by anti-loosening frame, avoid the coil loosening and falling off of winding outer wall, form the telescopic frame of mutual sleeve joint between H type slide of each sealed partition two sides, by the linkage assembly outside transformer body, so that all H type slide drive anti-loosening frame to the outer wall of winding moves, so that the relative movement of two anti-loosening frames in each winding chamber, to adhere on the outer wall of coil, avoid coil loosening and falling off, and then to the protection effect of transformer.

The application provides a hydraulic bushing and a vehicle, and the hydraulic bushing comprises an outer tube, an inner tube and an elastic body connected between the outer tube and the inner tube, a cavity is formed between the elastic body and the outer tube, and a limiting structure abutting against the outer tube is arranged in the cavity; the limiting structure has two limiting blocks extending to the two sides of the elastic body, respectively, two liquid chambers are formed between the two limiting blocks and the elastic body, respectively, and a flow channel communicating the two liquid chambers is arranged on the limiting structure. The elastic body has a blocking structure arranged between the two liquid chambers, and the blocking structure has blocking blocks arranged corresponding to the two liquid chambers; when the pressure of damping liquid in one of the liquid chambers is greater than a preset threshold value, the corresponding blocking block can be deformed by extrusion, so that the damping liquid passes through the blocking block and flows to the other liquid chamber. The hydraulic bushing changes the fixed characteristics of the traditional bushing damping, and through the arrangement of the limiting structure and the blocking structure, the vehicle handling and comfort performance can be improved.

The utility model relates to a spring element, a stator assembly and a motor assembly. The spring element has a base body defining a plane and is provided with at least one projection projecting relative to the plane and at least one hook projecting obliquely from the plane, the hook and the at least one projection being arranged on opposite sides of the plane of the base body. The stator assembly comprises a stator and a plurality of the spring elements, the stator is provided with a plurality of axial grooves in the peripheral surface, and the spring elements are installed in the axial grooves. The motor assembly comprises a motor cover and the stator assembly, the stator is installed in the motor cover in an interference fit mode through the spring elements, the hook portions of the spring elements are clamped to the inner wall of the motor cover, and the protruding portions, located on the opposite sides of the plane relative to the hook portions, of the spring elements make contact with the peripheral surface of the stator. According to the utility model, the manufacturing cost is relatively low, the stator and the motor cover are relatively easy to assemble, the assembling time is relatively short, and the size of the motor cover does not need to be increased.

The utility model relates to the technical field of optical machines, and discloses an optical machine device for a machining center, which comprises a device body, the device body comprises a machine body and a mounting seat, a machining table assembly is mounted at the top end of the mounting seat, the machining table assembly comprises a first vibration reduction plate, and the first vibration reduction plate is fixedly mounted at the top end of the mounting seat. And a damper is fixedly installed at the top end of the first vibration reduction plate, a second vibration reduction plate is fixedly installed at the top end of the damper, an installation frame is fixedly installed at the top end of the second vibration reduction plate, and a workbench is installed at the top end of the installation frame in an embedded mode. By arranging the machining table assembly, when a workpiece at the top end of the workbench is machined, force received by the installation frame is buffered and absorbed through the second vibration reduction plate, the damper and the first vibration reduction plate, vibration can be prevented from being transmitted to an installation base and elements at the bottom, and machining precision is improved. And the conditions of noise caused by high-frequency vibration and element abrasion are avoided.

The utility model discloses a mounting bracket for a vacuum booster pump, which relates to the technical field of mounting brackets and comprises a booster pump body, a frame plate is provided with a through hole and a mounting hole, one end of a support screw tube penetrates through the mounting hole and extends to one side of the frame plate, and the mounting hole is provided with a sealing hole. A fixing assembly used for installing the supporting screw tube on a frame plate is arranged on the supporting screw tube, and the supporting sleeve is connected to the other end of the supporting screw tube in a threaded mode. The vacuum booster pump is reasonable in design structure, the supporting screw tube, the supporting sleeve and the abutting plate are arranged in a matched mode, the two-way locking structure of the fixing ring and the limiting nut is matched, the installation stability of the vacuum booster pump on a vehicle frame is obviously enhanced, the supporting nut further limits displacement of the supporting sleeve, and the service life of the vacuum booster pump is prolonged. The shaking of the booster pump when a vehicle runs on a bumpy road is effectively reduced, and the vibration transmission problem caused by the elastic buffer sleeve is avoided, so that the reliability of connection with a brake structure is guaranteed, and the brake safety is improved.

The utility model relates to the technical field of collision brakes, in particular to a side collision brake for a vehicle. According to the technical scheme, the side collision brake for the vehicle comprises an upper connecting plate, a metal shell, lower connecting plates and rubber strips, the metal shell is filled with the rubber strips, splicing plates are arranged at openings of the metal shell, the lower connecting plates are fixed to the openings of the two sides of the metal shell through the splicing plates, and the upper connecting plates are connected with the lower connecting plates through the splicing plates. A connecting block is welded to the lower connecting plate, an upper connecting plate is welded to the lower connecting plate through the connecting block, and a protruding block is welded to the surface of the side, away from the connecting block, of the lower connecting plate. The utility model provides the best protection and performance under the condition of side collision.

The invention discloses a power plant power generation steam turbine waste heat recovery device, and relates to the technical field of waste heat recovery, the power plant power generation steam turbine waste heat recovery device comprises a waste heat recovery machine, a moving mechanism, a mounting mechanism and a fixing mechanism, the moving mechanism comprises a pair of mounting pipes, the mounting pipes are arranged in parallel left and right, and a pair of moving wheels are symmetrically mounted at the bottoms of the mounting pipes; the waste heat recycling machine is easily transferred to a designated position through the moving mechanism; the mounting mechanism is arranged above the moving mechanism and comprises a shock pad and a pressing plate, and the waste heat recycling machine is quickly mounted above the moving mechanism through the shock pad and the pressing plate; the fixing mechanism is arranged below the moving mechanism and comprises a glass suction cup, the moving mechanism is sucked to the smooth ground through the glass suction cup, and then the waste heat recycling machine is rapidly fixed to the designated position. The waste heat recovery device for the power plant power generation steam turbine has the advantages of being reasonable in scheme concept, ingenious in structural design and convenient to disassemble and assemble.

The water dispenser comprises a cabinet body, a waterway board arranged on the cabinet body and a sound insulation cover arranged on the outer side of the waterway board in a covering mode, the waterway board is provided with a water inlet pipeline, a water outlet pipeline, a functional part and a wire electrically connected with the functional part, and the water dispenser further comprises a sound insulation part arranged on the sound insulation cover. The sound insulation piece is of a structure made of a flexible material; the sound insulation piece is provided with a first sound insulation part and / or a second sound insulation part, the water inlet pipeline and the water outlet pipeline penetrate out of the sound insulation cover through the first sound insulation part, and the wire penetrates out of the sound insulation cover through the second sound insulation part. The vibration absorption effect can be achieved on the water inlet pipeline, the water outlet pipeline and / or the wire through the flexible characteristic of the sound insulation part, corresponding vibration is prevented from being transmitted to other parts connected with the water inlet pipeline, the water outlet pipeline and the wire through the water inlet pipeline, the water outlet pipeline and the wire, the resonance phenomenon is avoided, and noise reduction is achieved.

The utility model relates to the technical field of rotary vibrating screens, and discloses a rotary vibrating screen which comprises a device body, the device body comprises a base, a screen frame body and a screen mesh body, a material guiding assembly is fixedly installed on the inner wall of the screen frame body and comprises a supporting seat, the supporting seat is fixedly installed on the inner wall of the base, and the screen mesh body is fixedly installed on the supporting seat. A supporting seat is arranged at the top end of the base, a material guide frame is placed at the top end of the supporting seat, the material guide frame is in a conical funnel shape, the material guide frame is made of iron, a magnet attracted to the material guide frame is installed at the top end of the supporting seat in an embedded mode, and a vibration reduction assembly is arranged at the bottom end of the base. By arranging the material guiding assembly, materials can be directly guided to the center of the screen main body through guiding of the conical center of the material guiding frame, the situation that the materials are added to the edge of the screen main body, and consequently the materials are discharged after being fully screened can be avoided, and by adopting the design, the materials are not fully screened, so that the screening efficiency is improved to a certain extent. And the material screening precision is improved.

The utility model discloses a kind of flexible damping mechanism of travelling crane, belong to damping mechanism technical field, it includes: protective shell, protective shell top end fixed mounting limit shell, sliding pressure plate is slidably installed in limit shell, hydraulic damper is fixedly installed in protective shell, hydraulic damper output end is fixedly connected with sliding pressure plate bottom end, threaded block is screw-connected on the outer side of hydraulic damper, rotating plate is rotatably installed in the top end of threaded block, large spring is fixedly installed in the top end of rotating plate, large spring top end is fixedly connected with sliding pressure plate bottom end, fixed spring and support rod one are fixedly installed in the top end of sliding pressure plate, the utility model is cooperated by vertical hydraulic damper plus spring and other structures, improves stability, threaded block design allows to adjust damping parameter on site, without replacing parts, stress is dispersed by hierarchical buffer structure, prolongs the service life of single element, protective shell and limit shell protect internal element from dust, moisture erosion.

The sound insulation structure comprises an installation assembly, the installation assembly comprises a base, sliding grooves are formed in the outer walls of the two sides of the top of the base, threaded rods are installed in the sliding grooves through bearings, the outer portions of the threaded rods are in threaded connection with sliding blocks, and the sliding blocks are connected into the sliding grooves in a sliding mode. An air pipe assembly is arranged at the tops of the two sliding blocks, the air pipe assembly comprises two connecting air pipes, perforated plates are installed in the connecting air pipes through bolts, and a plurality of wave-shaped splitter plates are welded in the connecting air pipes; when the large oil smoke purifier operates, air flows in and out of the air meeting pipe assembly, in the process, the perforated plate and the wave-shaped splitter plate are matched to slow down the air circulation speed, it is avoided that air rapidly flows in the connecting air pipe to make loud sound, and meanwhile the sound insulation wrapping sleeve can improve the sound insulation capacity of the connecting air pipe; and transmission of sound in the connecting air pipe is effectively reduced, and the noise reduction capacity of the oil smoke purifier during working is improved.

The utility model discloses a sizing machine for steel cutting, which comprises a conveyor, a moving frame, a baffle, a lifting piece and a cable, the moving frame is horizontally arranged on the conveyor in a sliding manner, the baffle is vertically arranged on the moving frame in a sliding manner, the lifting piece is fixedly arranged on one side of the moving frame, and the baffle is connected with the lifting piece through the cable; the lifting piece stretches out and draws back to drive the baffle to slide up and down through the cable, the steel cutting length is determined by adjusting the position of the movable frame on the conveyor, when steel makes contact with the baffle, generated vibration is prevented from being transmitted to the lifting piece through buffering of the cable, the effect of protecting the lifting piece can be achieved, and the lifting piece is prevented from being damaged; the service life is prolonged.