47results about How to "Reduce mechanical noise" patented technology

The invention provides a common-mandrel double-self-driving synchronous control permanent magnet outer rotor lifting device and a control method thereof.The device comprises a mandrel and supporting bases used for supporting the left end and the right end of the mandrel, and the mandrel is provided with a left permanent magnet outer rotor lifting structure and a right permanent magnet outer rotor lifting structure; each permanent magnet outer rotor lifting structure comprises a winding drum, a stator, a permanent magnet, an end cover and a disc brake used for braking the winding drum, the stator is arranged in the winding drum, the winding drum is rotatably connected with the mandrel, the stator comprises a stator iron core support, a stator iron core and a stator winding, the stator iron core support is arranged on the mandrel and provided with the stator iron core, and the stator winding is arranged on the stator iron core support. The stator core adopts a magnetic slot wedge, the stator winding is arranged on the stator core, and the mandrel is provided with a wiring slot for accommodating a stator winding outgoing line; the whole diameter can be reduced, the stability during working is improved, the double-load two-way transportation requirement can be met, the flexibility and adjustability are improved, and the double-load two-way transportation device has the advantages of being few in transmission links, free of a high-speed shaft, high in reliability and low in energy consumption.

The invention relates to mechanical and electrical integrated machining equipment for a Ruban mortise and tenon wood structure of an ancient building, which can automatically adjust cutting parameters according to the hardness of wood, reduce tool wear and unnecessary load while improving the machining speed and efficiency, and improve the machining efficiency by monitoring and adjusting the parallelism deviation between a cutterhead and a working platform in real time. The consistency of machining precision and product quality is ensured, the interruption time in the machining process is shortened, vibration generated when the cutter head rotates at a high speed is further reduced through dynamic balance detection and adjustment, the stability of the machining process is improved, the service life of the cutter is prolonged, the stability of the cutter in the machining process is ensured through a clamping force self-adjusting mechanism, vibration is reduced, and the machining efficiency is improved. In addition, the cooling and dust removing system effectively removes wood chips and dust generated in the machining process, the working environment is improved, the equipment maintenance cost is reduced, the service life of equipment is prolonged, and the production efficiency and the machining precision are improved through the comprehensive measures.

The utility model provides a protective top cover suitable for a motor with a mixed flow ventilation structure, which comprises a cover body and a bottom plate, and the inside of the cover body is divided into an air inlet chamber and an air outlet chamber by a main partition plate; a flow guide partition plate is arranged in the air inlet cavity and divides the air inlet cavity into a front air inlet space, an upper air inlet space and a rear air inlet space, and a louver for external air inlet is arranged on a side plate of the front air inlet space. A steel plate net and an inclined baffle are installed at an air outlet of the air outlet cavity, and the inclined baffle obliquely extends upwards from the position below the air outlet to the inner side of the air outlet cavity. According to the utility model, the air inlet chamber adopts the blind window and the zigzag air inlet space structure, and the air outlet of the air outlet chamber adopts the inclined baffle plate and the steel screen, so that water splashing in different directions can be borne, high-speed air and airborne particles are prevented from directly leading to the internal air path of the electrified part of the motor, and the I P24 protection grade is reached; and meanwhile, mechanical noise caused by a large fan of a mixed flow ventilation structure motor is reduced.

The present application relates to scroll compressor technical field, specifically disclose a kind of scroll compressor and scroll tooth profile correction method.The scroll compressor includes: in static scroll and dynamic scroll compression process end, the first outer arc segment and the inner wall of dynamic scroll form first gap in the preset angle range of static scroll and dynamic scroll rotation, second outer arc segment and the inner wall of static scroll form second gap;In the process that static scroll and dynamic scroll exhaust, the third gap between first center head section and second inner arc segment, fourth gap between second center head section and first inner arc segment is formed.The scroll compressor in a certain angle range before gas compression end, the meshing gap of dynamic, static scroll starts from zero and increases, while reducing vibration noise, improve energy efficiency ratio, can solve the problem of tooth head correction arc starting position meshing interference, prolong the service life of the scroll compressor.

The utility model discloses an unequal air gap motor structure and a scroll compressor, belongs to the technical field of compressors, and aims to solve the problems that the motor efficiency is influenced and vibration and noise are caused by adopting a uniform air gap structure. According to the technical scheme, the unequal-air-gap motor structure comprises a plurality of stator punching sheets and a plurality of rotor punching sheets, stator inner holes are formed in the stator punching sheets, the rotor punching sheets are located in the stator inner holes, and a plurality of magnetic poles are arranged on the sides, close to the rotor punching sheets, of the stator punching sheets. A plurality of air gaps are formed between the sides, close to the rotor punching sheet, of the magnetic poles and the outer ring surface of the rotor punching sheet, a plurality of concave structures are arranged on the sides, close to the rotor punching sheet, of the magnetic poles, the intervals of the air gaps are unequal, and through the concave structures which are the same in shape and structure and are mutually symmetrical, the machining difficulty is reduced, and the length of the air gaps can be remarkably increased; and meanwhile, an unequal air gap structure is formed, so that the noise in the operation process of the motor is reduced, the noise in the operation process of the scroll compressor is further reduced, and the performance and the reliability of the scroll compressor are improved.

The invention discloses a hollow cup brushless direct current motor with low noise vibration. The hollow cup brushless direct current motor comprises an outer shell and a sub hollow cup winding installed in the outer shell. A rear cover body is installed on the rear side of the outer shell. A connecting wire is installed in the lower portion of the rear cover body in a penetrating mode, and a Hall sensor is arranged on the front side of the connecting wire. The rear end of the rotating shaft rod is connected with the interior of the rear cover body through a bearing body. The front end of the rotating shaft rod is connected with the interior of the front cover body through a bearing body. According to the hollow cup brushless direct current motor with low noise and vibration, lubricating oil in the liquid storage frame with a circular ring-shaped structure is sprayed out through the inclined jet orifice when the liquid storage frame rotates in a reciprocating manner, so that the bearing body is lubricated well, and the mechanical noise and vibration of the bearing body are reduced; therefore, the coreless brushless direct current motor can be used in a low-noise vibration manner, and the service life of the coreless brushless direct current motor is prolonged.

The utility model discloses a kind of shutter equipment of strong light self-adaptive processing, it is related to shutter system application field, including bearing plate, the top of bearing plate is rotatably connected with movable ring, the outside of movable ring is provided with outer gear ring, the inside of movable ring is provided with inner gear ring, the side of movable ring is rotatably connected with transmission gear, transmission gear and outer gear ring are mutually engaged, transmission gear is connected with driving device, the top of bearing plate is provided with shutter assembly.The utility model can avoid mutual impact between curtain by setting multiple shutter assembly stacks, reduce the noise when shutter system works, four groups of shutter assembly are stacked from top to bottom distribution, four groups of curtain in four groups of shutter assembly are evenly distributed with exposure hole as center, curtain can achieve the purpose of plugging exposure hole when moving, and because multiple curtain is at different horizontal height, multiple curtain will not impact each other, reduce the generation of mechanical noise when shutter system works.

The utility model relates to an improved two-section sliding rail which comprises an outer rail, an inner rail arranged in the outer rail and a ball assembly arranged between the outer rail and the inner rail, the length of an overlapping area formed by the inner rail and the outer rail after the inner rail is fully drawn out is matched with the length of the ball assembly, and a reinforcing mechanism is arranged in the overlapping area. A first positioning mechanism is arranged on the inner side of the outer end of the outer rail coinciding with the outer end of the coincidence area, a second positioning mechanism is arranged on the inner side of the inner end of the outer rail, a third positioning mechanism is arranged on the inner side of the outer rail between the first positioning mechanism and the second positioning mechanism, and the inner rail can be fully inserted into the outer rail. The sliding rail solves the problems that when the inner rail is drawn out of the outer rail, the overlapping area of the inner rail and the outer rail is small, the mechanical strength is not enough when the inner rail carries heavy load, and bending, deformation or sliding rail disengagement are prone to occurring in an existing short two-section sliding rail. The first hoop sleeve, the second hoop sleeve and the reinforcing plate are simple in structure, easy to assemble, low in cost and high in practicability.

The low-noise cooking utensil comprises a pot body, a pot cover and a first heat dissipation assembly installed on the pot cover, the pot cover comprises a surface cover and an inner cover, and the surface cover and the inner cover are matched to define a cooling cavity communicated with the outside. The first heat dissipation assembly comprises a first sealing ring, a mounting cavity and a first fan assembly arranged in the mounting cavity, a first ventilation hole is formed in the bottom wall of the mounting cavity, and air blown out of the first fan assembly flows to the cooling cavity through the first ventilation hole and then is discharged to the outside; a damping gap is formed between the first fan assembly and the side wall of the mounting cavity, and the first sealing ring is arranged between the first fan assembly and the bottom wall of the mounting cavity so as to prevent cold air at the air outlet end of the first fan assembly from flowing to the damping gap. According to the cooking utensil, noise can be effectively reduced, and the air cooling effect can be improved.

This utility model provides a rotating structure for a cooking machine, belonging to the field of mechanical technology. The rotating structure of the cooking machine includes a pot body and a base. The pot body has rotating shafts at both ends, which are rotatably connected to the base. The rotating structure includes an inner baffle, a friction plate, a positioning baffle, and a positioning pin. The inner baffle is fixedly connected to the base, and the positioning baffle is mounted on the rotating shaft and rotates with it. The friction plate is sleeved with the rotating shaft and contacts the inner baffle and the positioning baffle. The positioning pin is fixedly installed to limit the rotation angle of the positioning baffle, thereby limiting the pot body's tilting angle.

This utility model provides an indoor unit for an air conditioner. The indoor unit includes a housing, multiple swing blades, and a drive device. A support frame is provided inside the housing, and an air outlet is provided on the housing. Multiple swing blades are disposed inside the housing and adjacent to the air outlet; the multiple swing blades are arranged sequentially and at intervals along the length of the air outlet on the support frame; each swing blade includes a fixed part and a movable part, the fixed part and the movable part are connected, the fixed part is located on the air inlet side of the movable part, the fixed part is fixedly set to the support frame, and the movable part is made of a flexible material. The drive device is configured to drive the movable part to swing relative to the fixed part, and is configured such that the swing direction of at least one movable part is different from the swing direction of the other movable parts. This utility model solves the problem of the single air supply mode of existing air conditioner indoor units, thereby improving the diversity of air supply modes, making the airflow of the air conditioner more natural, reducing the direct blowing sensation of the airflow, and improving the user experience.

This utility model discloses a high-efficiency heat dissipation device for servers, comprising a housing and an intake fan. The housing has an axially penetrating heat dissipation channel with an air inlet and an air outlet arranged opposite each other. The intake fan is disposed at the air inlet. The housing also includes at least one auxiliary air duct formed on the housing, with an auxiliary air inlet and an auxiliary air outlet arranged opposite each other. The auxiliary air outlet is connected to the heat dissipation channel, and the auxiliary air inlet and the air inlet are located on the same plane. Compared with traditional cooling fans, the high-efficiency heat dissipation device for servers provided by this application can achieve a greater cooling flow effect at the same motor speed, thus achieving efficient heat dissipation, while reducing mechanical noise generated by rotation at lower motor speeds.

The present application relates to the technical field of air extractor, particularly relates to a direct drive improvement device of oil pumping unit; including tower body, platform, driver, shaft coupling, drum, crown assembly, belt, oil pumping rod, counterweight box and liquid cooling mechanism, the liquid cooling mechanism includes motor shell cooler, the platform is fixedly arranged on the top of the tower body, the driver, crown assembly and motor shell cooler are all fixedly arranged on the platform, the drum is rotatably arranged on the platform and located on one side of the driver, the driver and drum are drivingly connected through the shaft coupling, the crown assembly is located on one side of the driver, shaft coupling and drum, the belt is slidably arranged on the drum and crown assembly, the oil pumping rod and counterweight box are respectively fixedly arranged at two ends of the belt, the oil pumping rod is located on one side of the tower body, and the counterweight box is located below the platform; energy consumption is significantly reduced, frequent maintenance is not needed, and mechanical noise of the traditional reduction gearbox is eliminated.

The invention provides a logging instrument based on thin film loudspeakers. The logging instrument comprises a transmitting circuit short section, a transmitter array composed of thin film loudspeaker transmitters, a receiver array composed of sound insulators and thin film loudspeaker receivers, a receiving circuit short section and a centralizer. Due to the fact that the thin film loudspeaker is small in size, a large number of sensor arrays can be arranged on the logging instrument, the data collection quality can be greatly improved, meanwhile, due to the fact that the transducer is annularly installed on the logging instrument, the logging instrument can measure the whole shaft under the condition that the logging instrument does not rotate, and the signal-to-noise ratio of received signals is improved. In addition, due to the fact that the transducer is small in size, the diameter of the logging instrument is reduced, and the logging instrument can conduct measurement work in a slim hole environment.

The invention discloses a locomotive pump technology, and aims to provide a locomotive pump damping and noise reduction device and an operation method thereof, the technical scheme is that the locomotive pump damping and noise reduction device comprises a pump body, the pump body comprises a volute, an impeller and an inlet section, the impeller is arranged to be a staggered impeller assembly, and the number of blades of the staggered impeller assembly is eight. The blades are arranged in a staggered mode, the distances between the blades are designed through a mathematical model or an experiment optimization result, the distances between the blades are sequentially staggered to form staggered arrangement, the sum of the distances between every three blades is 90 degrees, the distance between two blades is 47 degrees, and the distance between the other two blades is 43 degrees, so that better pressure distribution and noise reduction effects are achieved; compared with the prior art, the locomotive pump damping and noise reduction device has the advantages that by adopting the design of the staggered impeller assembly, the impeller in the pump body can effectively reduce the disturbance of water flow in the operation process, so that the vortex and fluid vibration in the pump body are reduced, and the mechanical noise is further reduced; the invention is suitable for the technical field of locomotive pumps.

The utility model provides a permanent magnet motor direct drive type shaft vertical submersible pump which comprises a water guide and suction horn mouth, a vertical submersible pump section and a water outlet shaft which are sequentially connected in the water flow direction, a vertical permanent magnet motor is arranged in the water outlet shaft, and the vertical submersible pump section is in direct connection transmission by being connected with the permanent magnet motor. The hydraulic model of the pump section of the vertical submersible pump is a conventional hydraulic model. A submersible asynchronous motor and a transmission gear box of a traditional conventional vertical submersible pump are replaced by the permanent magnet motor with the small size, and a hydraulic model of a pump section of the vertical submersible pump is a conventional hydraulic model, so that a novel vertical submersible pump group structure is formed; the structure can directly utilize an excellent conventional pump section hydraulic model which is already inspected and identified, meanwhile, the permanent magnet motor is adopted, the outer diameter of the motor is small, water flow at the tail of the motor is stable, hydraulic loss is small, the permanent magnet motor has the advantages of being low in rotating speed, a transmission gear box can be omitted, the pump device is directly connected with a water pump for transmission, and the internal flow state of the pump device is improved.

The invention relates to an electromagnetic tomography flaw detection method for a carbon fiber inhaul cable, which comprises the following steps: S1, constructing a simulation model of the carbon fiber composite inhaul cable, and obtaining an initial sensitivity matrix and an initial voltage; s2, defect shapes and positions are randomly set for the simulation model, excitation is applied to the simulation model with defects, detection voltage is obtained, and a defect image is constructed; s3, repeating the step S2 for at least 600 times to obtain a defect image set and a detection voltage set; s4, iteratively updating the initial sensitivity matrix according to the initial voltage, the preprocessed defect image and the detection voltage; s5, constructing a defect positioning model; s6, applying voltage to the detected carbon fiber inhaul cable to obtain detection voltage of the detected carbon fiber inhaul cable; and S7, constructing a cross-section image of the detected carbon fiber inhaul cable, inputting the cross-section image into the trained defect positioning model, and determining the defect position according to the interface image with the defect. According to the method, the sensitivity matrix is updated, so that the influence of micro-vibration noise on imaging quality is reduced, and defect imaging is clearer.

The invention relates to a shared two-wheeled vehicle helmet lock device which comprises a mounting seat fixed to a two-wheeled vehicle frame, a fixing plate fixedly connected with the mounting seat and a helmet lock assembly mounted on the fixing plate, a main lock hook is arranged on one side of the upper portion of the helmet lock assembly, a main spring bolt is arranged in the main lock hook, the front end of the main spring bolt abuts against the main lock hook, and the front end of the main spring bolt abuts against the main lock hook. The rear end of the main spring bolt is fixedly connected with a first sliding plate, the first sliding plate is arranged on the double sliding shafts in a sleeving mode, a lock rack is arranged on the lower side of the first sliding plate and meshed with an output gear assembly, the output gear assembly is rotationally connected with a motor worm through a multi-stage speed change mechanism, a motor is electrically connected with a control circuit board, and the control circuit board is in Bluetooth wireless connection with a user mobile phone. According to the scheme, the problems that a rope is prone to being broken, a key falls off, and a helmet of an existing shared two-wheeled vehicle is stolen are solved, the bicycle basket is locked at the same time, the advantage that one lock has two purposes is achieved, and the scheme is compatible with multiple types of shared two-wheeled vehicles with baskets and without baskets at the same time.

The invention relates to the technical field of heat dissipation devices, and discloses a low-noise heat dissipation fan, comprising a base and double-layer blades, wherein a bearing is arranged at the center of the base, and a stator is arranged in a circumferential array on the side surface of the bearing, the stator is an iron core, and is wrapped by a painted coil to form an electromagnet, the energization state of the coil is controlled by a control circuit, and a Hall sensor is arranged for detection, the double-layer blades are composed of a rotor, a connecting ring and blades, the rotor is located at the axis center of the double-layer blades, and is cylindrical, a crankshaft connected to the stator is arranged at the axis center of the bottom of the double-layer blades, blades are arranged in a circumferential array on the side surface of the rotor and are connected to the connecting ring, and blades are also arranged in a circumferential array on the outer side surface of the connecting ring to form a double-layer blade structure, the inner wall surfaces of the rotor and the connecting ring are evenly arrayed with permanent magnets, and the permanent magnets located in the connecting ring and the permanent magnets in the rotor are arranged at different angles.

The utility model relates to air compression equipment technical field, specifically disclose an integrated air compressor and air suspension system, wherein integrated air compressor includes drive motor, air compression unit and solenoid valve group, the one end of motor shaft of drive motor is connected the crankshaft of air compression unit, to make air compression unit operation compressed air, air compression unit includes two piston unit bodies, and piston unit body all includes cylinder, reciprocating motion along the piston of cylinder and one end connecting piston connecting rod, the other end of connecting rod rotatoryly arranged on the crankshaft, and the phase angle of two pistons is 180 degrees apart to offset inertial force, solenoid valve group is arranged in the valve block with air compression unit gas circuit connection, and the valve block has gas passage for forming gas circuit, and the air after air compression unit compression is distributed by solenoid valve group via gas passage, the utility model effectively reduces air compressor noise and compact structure.

The utility model relates to the technical field of sewing machines, in particular to a thread trimming, stitch length adjusting and presser foot lifting mechanism of a sewing machine. Under the driving of the first driver, the thread trimming transmission rod rotates and presses the thread trimming crank, the thread trimming crank presses the hinged thread trimming connecting rod, and the pressed thread trimming connecting rod enables the indirectly connected thread trimming execution end to execute thread trimming action; after thread trimming is completed, under reverse driving of the first driver, the cutter return device is lifted to drive the thread trimming connecting rod to be lifted, then the thread trimming connecting rod enables the thread trimming execution end to return a cutter, resetting of the thread trimming mechanism is completed, good mechanical performance is achieved, mechanical noise is greatly reduced, the cutter return device part participates in thread trimming action and full-time cutter return action, and the thread trimming mechanism is convenient to operate. And the mechanical noise generated by the cutter returning action of the cutter returning device is greatly reduced.

This application discloses a microphone chip, a microphone, and a terminal device. The microphone chip, the microphone, and the terminal device may be used in a mobile phone, a voice recorder, and another device that needs to perform sound collection. The microphone chip includes: a substrate and a diaphragm that are disposed oppositely; a reflector located on a side that is of the diaphragm and that is close to the substrate; a grating group located between the substrate and the diaphragm; and an optical emitter and an optical detector that are located between the substrate and the grating group, where the grating group includes a plurality of gratings, and distances between at least two gratings in the plurality of gratings and the reflector are different. This application reduces difficulty and complexity of a manufacturing process, and reduces mechanical noise and circuit noise.

The utility model belongs to the field of electric furnace smelting, especially relates to a double position ladle refining furnace electrode rotating device, including rotating frame, electrode rotating oil jar, rotating oil jar trunnion base, slewing bearing, rotating base, stand hanger, rotating locking device, oil cylinder support, proximity switch arrangement, the inner ring of slewing bearing is fixed in rotating base, the outer ring is connected with rotating frame, electrode rotating oil jar is driven rotating frame around slewing bearing centre axis between 1# work position and 2# work position through piston rod telescopic, the proximity switch arrangement detects the work position of rotating frame and triggers rotating locking device and locks rotating frame, through structural optimization and function cooperation, synchronous realization has been achieved to accurate positioning, stable operation, space saving, life extension and efficiency promotion, and the demand of modernization steel smelting to equipment high performance, low energy consumption, easy maintenance has been satisfied comprehensively.

The utility model discloses an electric heating warmer of noise reduction, and the device includes: the warmer shell, be equipped with electric heating element in the warmer shell, electric heating element one side is equipped with fan assembly, the warmer shell is located in one end of fan assembly and is equipped with the air outlet, the warmer shell is located in the opposite end of air outlet and is equipped with the air inlet, the air outlet and air inlet all are equipped with the sound absorption cotton layer and honeycomb formula sound attenuation grid, the inner wall of warmer shell is equipped with the corrugated flow groove. The utility model has the advantages of: the sound absorption cotton layer and honeycomb formula sound attenuation grid that the air outlet and air inlet set, form double -deck sound attenuation structure, effectively reduce the mechanical noise that fan assembly generates and the wind noise that the airflow passes the air hole forms, the corrugated flow groove of warmer shell inner wall changes the airflow direction, breaks the regularity fluctuation of airflow, reduces the vortex generation, further weakens the wind noise and the resonance sound of internal element.

This application relates to a top-blown vaporizer, applied in the field of vaporizers. It includes a vaporizer body with a plurality of heat exchange tubes forming a heat exchange channel. A mounting frame is mounted on the vaporizer body, and a first damping pad is mounted on the mounting frame. A fan is mounted on the first damping pad, with the fan's outlet corresponding to the heat exchange channel. The technical advantages of this application are: the first damping pad absorbs the high-frequency vibrations generated during fan operation, reducing the possibility of vibrations being directly transmitted to the mounting frame and vaporizer body, reducing resonance between the fan and the mounting frame, improving the overall stability of the vaporizer body, and simultaneously reducing the possibility of high-frequency vibrations being transmitted and amplified through rigid connections during fan operation, thus reducing mechanical noise generated by fan vibration.

The present application relates to the field of compressor, in particular to a kind of low-noise air valve of micro piston compressor and optimization design method, comprising the following components: valve plate, its surface is equipped with inlet hole and exhaust hole;Inlet valve, cover on inlet hole, with elasticity and can be relative to the elastic opening and closing action of valve plate;Exhaust valve, cover on exhaust hole, with elasticity and can be relative to the elastic opening and closing action of valve plate;Lift limiter, arranged on the surface of valve plate to limit the maximum opening height of inlet valve and / or exhaust valve.The present application greatly suppresses the generation of noise.

The present invention discloses a stabilizing device for the internal air duct of an integrated stove, comprising a stabilizing end frame and a stabilizing support plate, wherein the stabilizing end frame is adjustably connected to the stabilizing support plate, the stabilizing end frame comprises a main support rod, an adjusting plate and a side support plate, a limiting rod is arranged on the main support rod, the adjusting plate is adjustably fixed on the top surface of the main support rod, the side support plate is movably sleeved on the limiting rod, and the side support plate is connected to the adjusting plate through a connecting rod, and a top pressure assembly is arranged between the two side support plates. The installation method of the present invention comprises the following steps: 1) assembling the stabilizing end frame; 2) installing the stabilizing end frame and the stabilizing support plate; 3) installing the air duct and the stabilizing device; 4) installing the air duct and the integrated stove. The present invention supports and stabilizes the two ends of the air duct through the stabilizing end frame, compresses and limits the tops of the two ends of the air duct through the top pressure assembly, and then auxiliary supports the middle part of the air duct through the stabilizing support plate, thereby effectively ensuring the structural stability of the air duct and making the smoke in the air duct discharge smoother.

The utility model provides a motor. The motor comprises a housing, a stator and a rotor. The stator and the rotor are arranged in the shell, the stator is arranged around the rotor, the rotor is provided with a rotor iron core, a winding and a high-molecular polymer slot wedge, the rotor iron core is provided with a plurality of straight slots, the winding is arranged in the straight slots, the high-molecular polymer slot wedge is arranged in the straight slots, and the high-molecular polymer slot wedge is arranged in the straight slots. And the high-molecular polymer slot wedge is respectively bonded with the inner wall of the straight slot and the winding. Compared with the prior art, the motor provided by the utility model adopts the high-molecular polymer as the slot wedge to be fixed in the straight slot, and the winding, the rotor core and the slot wedge are integrated through a bonding mode, so that the overall structural strength is improved, the winding is effectively prevented from running out of the straight slot, and the production process is greatly simplified; the sealing performance of the whole shell is effectively improved through the sealing structure; the contact area of the carbon brush and the commutator is reduced, so that the motor operates with low noise.

The utility model discloses a lubricating oil filling production line which comprises a tank conveying mechanism, a tank discharging mechanism, a filling mechanism and a transferring mechanism. The tank conveying mechanism comprises a first conveying belt used for conveying empty oil tanks. The tank discharging mechanism comprises a second conveying belt which is relatively parallel to the first conveying belt, and the second conveying belt is used for conveying an oil tank filled with oil; the filling mechanism is arranged between the first conveying belt and the second conveying belt and comprises a weighing table, a lifting frame arranged above the weighing table, a filling air cylinder driving the lifting frame to ascend and descend and a filling pipe arranged on the lifting frame. The transfer mechanism comprises a push rod and a driving assembly, and the driving assembly is used for driving the push rod to push the empty oil tank from the first conveying belt to the weighing table and then driving the push rod to push the oil tank filled with oil from the weighing table to the second conveying belt after the oil tank is filled with oil. Therefore, the conveying layout can be optimized, the oil tank transferring efficiency is improved, automatic filling is achieved, and the production efficiency and the operation reliability are improved.

The invention belongs to the technical field of bladder capacity measuring mechanisms, and particularly relates to a bladder capacity three-dimensional measuring probe which is mainly composed of a sound head, a control circuit, a lower motor and an oil pipe, the lower motor is connected with the sound head and drives an electronic array in the sound head to rotate, and the oil pipe is communicated with an inner cavity of the sound head. The control circuit is electrically connected with the electronic array and the lower motor; the sound head is composed of an electronic array and a sound transmission cover, and oil is contained in the sound head. The electronic array is formed by deploying a plurality of single array elements on an arc-shaped sector, and the sound transmission cover covers the exterior of the sector; the lower motor drives the electronic array to rotate step by step; the control circuit is provided with a channel control unit, a transmitting and receiving unit, a motor control unit and a power supply. Compared with a traditional bladder capacity three-dimensional probe, the bladder capacity three-dimensional probe has the advantages of no swing vibration feeling, longer service life, faster frame frequency, faster measurement, lower mechanical noise and lower power consumption.