16results about How to "Avoid mechanical wear" patented technology

The utility model provides a kind of etching liquid's acid-base waste gas spray tower, including tower body, water outlet pipe being passed in tower body, the top of tower body is equipped with exhaust port, tower body is sequentially provided with the aeration device for being used to pass into waste gas and carry out aeration, the purification device for purifying waste gas and the spray device for spraying from below to top in it, the bottom of tower body is formed with water storage pool, and aeration device is located in water storage pool;Purification device includes the partition plate being arranged in tower body, the purification piece being arranged on partition plate, partition plate is equipped with mounting groove, the bottom of mounting groove is equipped with through hole, and through hole is through in partition plate and is communicated with mounting groove;Purification piece includes the mesh enclosure being arranged in mounting groove, the adsorption ball being arranged in mesh enclosure and the cover plate being arranged on mesh enclosure, and adsorption ball is filled in mesh enclosure, cover plate is arranged on the top of mesh enclosure, and micro gap is formed between cover plate and partition plate.The utility model has the advantages of low energy consumption and high purification performance.

The utility model relates to the technical field of building blocks teaching aid, especially to a circuit module and circuit toy set, including base, the side of base is provided with the interface for inserting the power cord, the bottom of base is provided with the standardization intermate structure for inserting on building block board, and the standardization intermate structure is connecting post or connecting groove, the inside rotation of base is provided with magnetic attraction component and the driving device of driving magnetic attraction component rotation, at least partly transparent liquid storage cylinder body, detachably installed on the base, the bottom of liquid storage cylinder body is equipped with magnetic rotation component, wherein, when liquid storage cylinder body installs to base, magnetic rotation component is located in the magnetic field action range of magnetic attraction component, when driving device drives magnetic attraction component rotation, through magnetic field coupling drives magnetic rotation component synchronous rotation, makes the liquid in liquid storage cylinder body form whirlpool, this scheme has the advantages of non -contact transmission to avoid mechanical wear and tear, high modular degree and convenient maintenance.

The utility model relates to the technical field of aerospace and mechanical and electrical product assembly, in particular to a civil aircraft cable laying quality evaluation device, which comprises a shell, a bottom plate, a high-resolution camera and a switch, a CPU (central processing unit) processor and a battery are arranged in the shell, the bottom plate is arranged at the bottom of the shell, the high-resolution camera is mounted on one side of the bottom plate, and the switch is arranged at the left lower part of the shell. The front side and the rear side of the shell are each provided with a plurality of symmetrically-arranged heat dissipation holes. According to the utility model, the hidden hinged handle is linked with the clamping block, the compression spring and the limiting frame to realize one-hand operation adaptability, and the high-resolution camera and the processor are integrated to acquire cable point cloud data in real time and generate a three-dimensional model; the hinged dust cover is combined with diversified interfaces to guarantee interface protection and multi-equipment expansion capability, and the light supplementing lamp can be adaptively adjusted according to ambient light and is matched with the protective cover to improve the adaptability to complex illumination scenes; the symmetrical heat dissipation layout and the anti-skid cushion cooperatively suppress operation vibration, and the operation stability in a narrow space is ensured.

The utility model discloses a Hall sensor circuit for cabinet door state detection, and belongs to the field of sensor circuits. Comprising a Hall sensor module, a filtering module, a voltage protection module, a current limiting module, a state indication module and a signal output interface module. The Hall sensor module is used for sensing a magnetic field signal generated by the position change of the cabinet door and outputting a corresponding level signal; the filtering module is composed of a pi-type filtering circuit composed of a capacitor and an inductor and is used for suppressing high-frequency interference of a power supply and improving power supply stability. The voltage protection module adopts a transient voltage suppression diode to realize input surge suppression; the current limiting module is composed of a plurality of resistors and is used for limiting output current and realizing signal level voltage division conditioning; the state indication module indicates the state of the cabinet door in real time through a light-emitting diode; and the signal output interface module is used for transmitting the processed signal to a control system. The circuit has the advantages of simple structure, strong anti-interference capability, high adaptability and good detection reliability.

The utility model discloses a pressure cleaning shower nozzle, including connecting pipe and water outlet subassembly, connecting pipe: inside right end is installed with filter component, the circumferential surface of connecting pipe is installed with support component, the right end of support component is installed with fixed component, water outlet subassembly: contain sleeve, water outlet head, clamping plate and distance sensor, the right end of connecting pipe circumferential surface is set up and is evenly distributed clamping groove, the inside joint of clamping groove has clamping plate, all clamping plate's surface is fixed with sleeve, the right end fixed with water outlet head in the inside of sleeve, the left end in the inside of sleeve is installed in the right end of filter component, fixed component is linked with all clamping plate, the right end of sleeve is seted up and has recess, the inside installation of recess has distance sensor, distance sensor and outside's PLC controller two -way electricity is connected, the circumferential surface of connecting pipe is fixed with fixed ring, can dismantle fast.

The utility model relates to a kind of rubber product hooking protection devices, including bottom plate, guiding piece being set on the bottom plate, pickup arm sliding on the guiding piece, mobile device with the pickup arm moves, protection device and hooking device being set on the pickup arm;The mobile device is set on the bottom plate;The protection device is connected in the action end of the mobile device;The hooking device is set on the pickup arm.Solve the traditional hooking device without buffering feedback, fragile products and components.

The invention relates to the technical field of traffic control boxes, in particular to a traffic control modular intelligent case and a control method and system thereof. The method comprises the following steps: monitoring various state parameters and environmental parameters of the case in real time, wherein the state parameters comprise a physical safety state and an electrical state; when it is monitored that the state parameters are abnormal, alarm information is generated; sending the alarm information to a monitoring platform through a selected communication mode; according to the monitored temperature and / or humidity state, an environment adjusting device is controlled to adjust the temperature and / or humidity in the case; and when the commercial power is cut off, the standby power supply is automatically switched. The system comprises a case body, a plurality of functional units freely matched on a standard guide rail, a lightning protection device and a temperature adjusting device. According to the invention, comprehensive intelligent monitoring and active operation and maintenance of the case state are realized, and the reliability, the safety and the maintainability of the traffic control system are obviously improved.

The utility model discloses a granule stirring workstation, wherein the granule stirring workstation comprises a base, a stirring drum and a material changing trolley, the base is provided with a lifting platform and a driving part, the stirring drum is arranged on the lifting platform, the stirring drum is rotatably connected with a stirring rod, one end of the stirring rod is detachably connected with the driving part, the driving part is used for driving the stirring rod to rotate, and the outer peripheral wall of the stirring drum is provided with a clamping part. The material changing trolley comprises a supporting frame, the lifting platform is lifted, the material changing trolley can be moved to the stirring drum, the supporting frame is driven to move to the clamping part and the lifting platform, the lifting platform is lowered, the clamping part is clamped on the supporting frame, and the material changing trolley can drive the stirring drum to separate from the lifting platform. The lifting platform can facilitate the material changing trolley to load and unload the stirring drum, thereby avoiding mechanical abrasion of the stirring drum chassis and the mixer base caused by carrying the stirring drum, greatly facilitating the carrying and feeding work of the stirring drum, and improving production efficiency.

The utility model provides a watch escapement wheel convenient to replace, belongs to the technical field of clocks, and relates to the watch escapement wheel convenient to replace. The escape wheel comprises a main body, a quick release device and an anti-vibration device. A quick release device is movably connected below the main body, and a shockproof device is movably connected below the quick release device in a sleeving manner. The quick release device is composed of a quick release block, a limiting ball, a sliding ring, a protective pad, a receiving block, a receiving spring, a receiving limiting ring, a butt joint block, a spring and a butt joint limiting ring, and quick disassembly and assembly of the escape wheel are achieved through cooperation of a spring linkage structure and a limiting component. The anti-vibration device comprises a fixing cylinder, a bearing and a base, external impact is absorbed through a bearing sleeving structure, and the operation stability is improved. According to the utility model, the replacement process is simplified through the modularized quick-release design, the maintenance cost is reduced, meanwhile, the shockproof structure ensures accurate travel time, and the mechanism is suitable for optimizing and upgrading the mechanical watch movement.

The invention belongs to the technical field of hoisting machinery safety monitoring and protection, and discloses a bridge crane steel wire rope anti-disengaging mechanical limiting protection device which comprises a rack, and a monitoring mechanism used for capturing the posture of a steel wire rope and an executing mechanism used for implementing emergency braking are integrated on the rack; the monitoring mechanism comprises a floating self-adaption assembly, a multi-dimensional detection assembly and a main falling-off detection assembly which are in transmission connection in sequence. According to the invention, magnetic flux change caused by rotation of the permanent magnet ring is sensed through the Hall sensor, and the micro deflection trend of the steel wire rope as low as 0.1 degree can be accurately analyzed in combination with a differential voltage algorithm, so that the system can intervene in advance when the steel wire rope is not really separated from the groove but is in a dangerous posture; normal operation swing and dangerous slot separation premonition can be distinguished, common-mode interference is eliminated through a software algorithm, the false alarm rate is greatly reduced, and the continuity and safety of crane operation are improved.

This invention discloses a gradient frustum array type multi-degree-of-freedom omnidirectional piezoelectric power generation device, belonging to the field of marine wave energy power generation devices. It includes a floating shell, a gradient frustum array skeleton unit, orthogonally arranged vibration energy harvesters, and a power management module. Through key technologies such as gradient frustum wideband adaptation, orthogonal energy harvesting array omnidirectional capture, magnetic coupling displacement amplification and limiting, and d33 mode piezoelectric conversion, it simultaneously captures multi-directional wave energy, adapts to 0.5-5Hz wideband waves, amplifies piezoelectric deformation, and achieves overload protection. It solves the problems of narrow energy harvesting bandwidth, low conversion efficiency, and weak environmental adaptability of existing devices, achieving efficient wave energy harvesting and in-situ power supply, and improving the device's service life and adaptability to the marine environment.

This utility model provides a motor for preventing bearing electrolytic corrosion, belonging to the field of motor technology. It includes a grounded motor housing, a rotatable shaft inside the housing, a front cover and a rear cover at both ends of the housing, each containing a bearing. The shaft passes through two sets of bearings at both ends. An isolation cover is provided on one side of the rear cover corresponding to the shaft, and a conductive component is located within the isolation cover. The conductive component includes a rotatable conductive roller, a wear-resistant conductive sleeve at one end of the shaft, and one side of the conductive roller making rolling contact with the wear-resistant conductive sleeve. The bottom of the conductive roller is grounded to the rear cover via an elastic wire. The rolling contact between the conductive roller and the wear-resistant conductive sleeve replaces the sliding friction of the carbon brush, avoiding mechanical wear during long-term operation. The conductive roller makes movable contact with the wear-resistant conductive sleeve via a spring, maintaining good contact between them. An insulating sleeve fitted on the bearing blocks the current on the shaft, keeping the bearing electrically isolated.

This invention discloses an energy-saving control method for new energy substations based on digital management, belonging to the field of power system automation and energy management technology. The method includes: constructing a multi-source data fusion sensing layer to collect data such as main transformer operating parameters, reactive power compensation status, auxiliary system load, and ambient temperature and humidity; establishing a dynamic energy efficiency evaluation model with the goal of minimizing comprehensive energy consumption, integrating main transformer losses, reactive power switching losses, auxiliary system energy efficiency, and ambient temperature correction factors; generating a coordinated control strategy for main transformer tap positions, reactive power switching, and cooling system start / stop using a rolling optimization algorithm, and verifying safety boundaries and action frequency constraints; executing closed-loop control and online correction strategies based on deviation feedback; and adaptively updating model parameters using the recursive least squares method, combined with an energy efficiency knowledge base to improve response speed. This invention achieves accurate modeling of the entire substation's energy consumption and multi-factor coordinated optimization, significantly reducing the substation's electricity consumption while ensuring safety and new energy consumption.

The invention belongs to the technical field of clutches, and particularly relates to a heat dissipation type fan clutch assembly capable of avoiding dust accumulation. The tops of the driving shafts at the two ends are fixedly connected with a driving plate, the driving shafts are rotationally sleeved with a rear cover, the driving plate is contained in a space between the rear cover and a front cover which are connected in a sealed mode, an oil storage cavity is defined by the top face of the driving plate and the inner wall of the front cover, and multiple concentric circular ring teeth are arranged on the end face, close to the outer edge, of the driving plate. The circular ring teeth on the upper end face and the lower end face are contained in the corresponding front cover tooth grooves and the corresponding rear cover tooth grooves and define meshing cavities, an oil inlet channel communicated with the meshing cavities is formed in the driving plate, and an oil return channel communicated with the meshing cavities and the oil storage cavity is formed in the front cover. According to the invention, accumulated dust and greasy dirt at the joint of the shell and the rear cover body can be automatically cleaned in real time; the rotating stability of the driving shaft can be improved; and oil pollution and tooth groove blockage caused by entering of external impurities can be reduced.

The utility model relates to a quick -setting cement production equipment, concretely is a concrete mixing box of preventing quick -setting cement block, to solve the technical problem that cement slurry is easy to block the support end of stirring shaft and lead to the jamming of stirring shaft in the process of discharging that quick -setting cement, sand and gravel, mixed material etc. are mixed and output in the existing concrete mixing box, the utility model discloses a box body, stirring shaft and sealing device, sealing device includes wear -resistant bottom plate, spacer ring, inner sealing plate and seal ring, wear -resistant bottom plate, spacer ring, inner sealing plate are connected in turn and are pressed tightly in the inside of box body front end board, wear -resistant bottom plate is set in the outside of stirring shaft medium diameter section, spacer ring and inner sealing plate all are set in the outside of stirring shaft large diameter section, and wear -resistant bottom plate, inner sealing plate form clearance seal between medium diameter section and large diameter section respectively, inner sealing plate, wear -resistant bottom plate, large diameter section and spacer ring form a passageway, and seal ring sets up in the passageway, and its inner periphery and large diameter section between seal solid link, and one side is pressed tightly on wear -resistant bottom plate.

The application discloses a rare earth synergic electric flocculation fluorine removal system, a control method and application, and an anode plate is composed of a metal material doped with rare earth elements. The application adopts a pneumatic flushing unit for non-contact removal on the surface of the anode plate, and adopts a flexible cleaning unit for contact cleaning on the surface of a cathode plate, so that differential cleaning of the anode plate and the cathode plate is realized. The pneumatic flushing unit sprays gas to the surface of the anode plate through a gas spraying assembly, and uses bubble turbulence to exert a flushing and stripping effect on a rare earth fluoride deposition layer on the surface of the anode plate, so that the deposition layer is effectively removed, and mechanical wear of the expensive rare earth anode plate is completely avoided. The application effectively solves the problem that the surface of the anode plate is passivated due to rapid accumulation of the rare earth fluoride deposition layer in the process of electric flocculation fluorine removal of the rare earth doped anode plate, and long-term stability of fluorine removal efficiency of the system is ensured.