121 results about "Mechanical abrasion" patented technology

The invention provides a control method of a compressor system, the compressor system and an air conditioner, and according to the control method of the compressor system, after the power demand change is detected, the target compressor is intelligently determined and started by combining the current power demand data and the power range data of each compressor. And then, after the target compressor operates for a period of time, real-time operation data of the target compressor are obtained, the target compressor is adjusted according to a preset control strategy, and load balance between the compressors is achieved. According to the method, the running state of the compressor is dynamically optimized by comprehensively utilizing real-time and historical running data, excessive use and frequent start and stop of some compressors are avoided, mechanical abrasion and energy consumption are remarkably reduced, and therefore the service life of the whole compressor system is effectively prolonged.

The utility model relates to the technical field of angle control devices, in particular to a metal plate bending angle control device which comprises a base table, a frame plate, a hydraulic rod, a bending punch and a hydraulic conveying assembly, the top end of the base table is fixedly connected with the hydraulic conveying assembly, the outer side of the hydraulic conveying assembly is fixedly connected with an angle adjusting assembly, and the hydraulic conveying assembly comprises a storage box. An oil passing opening is formed in the left end of the storage box, a first electromagnetic valve is fixedly connected to the inner side of the oil passing opening formed in the storage box, a self-sucking pump is fixedly connected to the left side of the storage box, a middle fixing table is fixedly connected to the left end of the self-sucking pump, and a branch channel and a communicating channel are formed in the lower end of the middle fixing table. According to the metal plate bending angle adjusting device, angle adjustment is achieved through a hydraulic system, the mechanical abrasion phenomenon is greatly reduced, the service life of the angle adjusting device is prolonged, and meanwhile the accuracy of the metal plate bending angle is ensured.

The invention discloses a Q-band choke type dual-channel waveguide rotary joint which comprises a fixed end, a CH1 channel rotary end, a CH2 channel rotary end and a mounting assembly, and is characterized in that the fixed end comprises a flange plate outer conductor, waveguide mounting ports are coaxially formed in the two sides of the flange plate outer conductor, and waveguide mounting holes are formed in the two sides of the flange plate outer conductor; the mounting assembly comprises a fixing nut, a screw sleeve and a plurality of bearings, and a gasket is arranged between every two adjacent bearings; the CH1 channel rotating end and the CH2 channel rotating end are installed on the fixed end through the installation assembly, and good stability is provided during rotation in a non-contact clearance type installation mode, so that mechanical abrasion is reduced, and the service life is prolonged. The rotating end is installed in the fixed end through the installation assembly, loads are dispersed on a plurality of contact faces or supporting points of the rotating end, the stability and the load capacity of the waveguide rotating joint structure can be improved, the rotating end and the fixed end are installed in a clearance mode, and friction and abrasion caused by contact are avoided.

The invention relates to a multi-layer abrasive product configured to comprise a plurality of elements capable cooling of an elastic layer based on thermoplastic polyurethane, reactive hot-melt polyurethane adhesive or a combination thereof by means of air flowing through the elements, when the abrasive product is used in machine abrasion. The multi-layer structure distributes the sanding pressure over a wider area of a workpiece surface being abraded while the elastic layer enables a low scratch pattern, which improves quality of the abrasion result in demanding surface finishing applications, such as mattering or lacquer repairments.

An elevator full load detection method and apparatus, an electronic device, and a medium. The method comprises: acquiring a depth image collected by a depth camera; acquiring a first number of pixels occupied by an object at an elevator car bottom in the depth image and a second number of pixels occupied by the elevator car bottom in the depth image; determining the elevator occupancy rate of an elevator on the basis of the first number and the second number; and on the basis of the elevator occupancy rate, determining whether the elevator is fully loaded. According to the elevator full load detection method, the passenger face privacy can be well protected by means of a depth image, and on the basis of the elevator occupancy rate, it is determined whether an elevator is fully loaded, so that unnecessary staying of elevators can be reduced, improving the elevator operation efficiency and the passenger riding experience, saving electric energy, and reducing mechanical abrasion of the elevators.

The invention relates to a soft rock tunnel quick reloading mechanical abrasion cutting construction method, and mainly relates to a temporary inverted arch template system, a steel frame temporary upright support, a steel arch quick extension technology, a cyclic utilization prefabricated grout stop wall and an advanced jet grouting pile construction platform. The structure mainly comprises a tunnel primary lining, an inverted arch, an inverted arch template, a steel trestle, a temporary upright support, a steel frame, a tunnel face, an advanced jet grouting pile and the like. According to the abrasion cutting construction method for the soft rock tunnel rapid reloading machine, a more scientific and reasonable solution is provided for construction of the soft rock hydraulic tunnel, and positive contributions are made for promoting development of hydraulic engineering construction.

The invention provides an H-shaped steel correction system, and relates to the technical field of H-shaped steel correction, and the system comprises a first correction device and a detection device; the detection device comprises a data processing module and a plurality of detection rollers, and each detection roller is perpendicular to the surface of the H-shaped steel; each detection roller is provided with an elastic telescopic device and a displacement sensor, and the displacement sensor is used for measuring the vertical displacement of the detection roller on the surface of the H-shaped steel; acquiring a displacement matrix HA corresponding to the H-shaped steel; determining the elements in the HA as abnormal elements, wherein the difference value between the elements and the preset standard displacement is greater than a preset difference value threshold value; determining a deformation area corresponding to the H-shaped steel; using a sliding window with a preset length of L to determine a deformation area group of each correction so as to sequentially correct the deformation areas in each deformation area group through a first correction device; according to the method, the correction efficiency of large-area continuous deformation is improved, meanwhile, mechanical abrasion of equipment is reduced, and the phenomenon of correction blind areas or repeated correction is avoided.

The utility model relates to the technical field of motor sealing, in particular to a motor sealing structure, which comprises a motor end cover, a motor shaft is inserted in the middle of the motor end cover, a bearing is arranged on the motor shaft, the bearing is fixedly connected with the motor end cover, a framework oil seal is arranged on the outer end face of the motor end cover, and the framework oil seal is sleeved on the motor shaft. And a labyrinth sealing ring covers the outer side of the framework oil seal and is fixed on the motor end cover. The labyrinth sealing ring is additionally arranged, the labyrinth sealing ring is pressed on the motor shaft in an interference fit mode and is integrated with the motor shaft, the labyrinth sealing ring is in clearance fit with the multiple concave labyrinth grooves in the surface of the motor end cover, abrasion is avoided during rotation, permanent sealing can be guaranteed, and friction temperature and mechanical abrasion are reduced.

According to the integrated thermal management method for the secondary circuit of the new energy automobile, mechanical abrasion or electrical faults are accurately recognized by monitoring the rotating speed and the current signal of the main water pump in real time, and the standby water pump is rapidly switched to guarantee circulation continuity of cooling liquid; meanwhile, the opening degree of the electric control valve is dynamically adjusted to optimize flow distribution of each branch, and the temperature of the battery is maintained in a safe interval in combination with multi-point temperature data fusion processing; in addition, by means of branch isolation and bypass channel switching, local faults can be handled in time, and the overall cooling capacity is maintained. According to the invention, the stability and safety of the thermal management system in multiple scenes are obviously improved.

The invention provides a temperature management method, device and equipment and a vehicle, and the method comprises the steps: determining a target part in parts of the vehicle based on the working condition of the vehicle; in response to the fact that the temperature value of the target part is larger than a preset temperature threshold value, the current running state of a cooling system of the vehicle is maintained or adjusted according to the working condition of the vehicle and the duration when the temperature value is larger than the preset temperature threshold value, and the temperature of the target part is adjusted and controlled; by applying the temperature management method, unnecessary energy waste and mechanical abrasion generated by the cooling system can be reduced, the endurance mileage of the vehicle is increased, and the service life is prolonged; and the cooling requirement of the target part can be met, the cooling efficiency is improved, and therefore the vehicle using experience and satisfaction degree of a user are improved.

The embodiment of the utility model discloses a taping embroidery device and an embroidery machine. The device comprises a presser foot rotation driving mechanism for driving a presser foot sleeve to synchronously rotate along with the embroidery stitch direction. The device comprises a charging tray rotation driving mechanism for driving a charging tray shaft sleeve to rotate, and the charging tray shaft sleeve synchronously rotates relative to a presser foot sleeve during sawtooth embroidery operation. The device comprises a swing rod structure which is installed on a material disc shaft sleeve and provided with a first conveying piece. The device further comprises a feeding lifting driving mechanism which drives the feeding shaft sleeve to ascend and descend so as to drive the swing rod structure to swing, so that the first conveying piece swings on the left side and the right side of a path formed in the embroidery stitch direction, and sawtooth embroidery is completed. In this way, the swing rod structure is additionally arranged on the material disc shaft sleeve, swing of the conveying piece is achieved based on an existing feeding driving part, implementation is convenient, and mechanical abrasion caused by frequent rotation of the presser foot sleeve is reduced. And during alternate embroidering, another operation to be alternately executed is not influenced.

The invention provides a control method and system for a CDU temperature regulation actuator, and relates to the technical field of data center CDU system actuator control, and the method comprises the steps: obtaining the current liquid supply temperature, the set temperature and the current opening value of the actuator, determining the set opening value of the actuator, and calculating the opening difference value; and according to the comparison result of the opening difference value and the preset threshold value and the precision value, the actuator enters a fast adjustment program or a slow adjustment program. The upper limit times of fast adjustment and slow adjustment are dynamically calculated according to the difference value between the current liquid supply temperature and the set temperature instead of a fixed value, so that different thermal load working conditions are more accurately adapted. In addition, the method is also combined with a self-learning mechanism, the adjustment rate is corrected based on historical adjustment data, and the control strategy is further optimized. By means of the dynamic adjustment frequency calculation and segmented adjustment strategy, the control precision and adaptability of the actuator are remarkably improved, mechanical abrasion is reduced, and the service life of equipment is prolonged.

The utility model discloses a magnetic self-locking type earphone charging cabin hinge structure, which relates to the technical field of earphone charging cabin accessories and comprises a rear hinge structure used for connecting a cabin cover and a rear side part of a main cabin, and a front hinge structure used for connecting the cabin cover and a front side part of the main cabin, the front hinge structure comprises a bin cover magnet and a main bin magnet, wherein the bin cover magnet is used for being installed on the bin cover, the main bin magnet is used for being installed on the main bin and matched with the bin cover magnet, and the upward magnetic pole of the main bin magnet is adjustable. When the earphone charging bin cover is used for the earphone charging bin, automatic locking can be achieved when the bin cover is closed, the closing mechanism is simple, the operation convenience is improved, and compared with a traditional buckle or torsion spring structure, the magnetic attraction structure reduces mechanical abrasion and prolongs the service life of the charging bin.

The invention belongs to a material grabbing device in the field of optical storage equipment, particularly relates to the field of optical disc taking and placing, and discloses an optical disc taking and placing device and method.The optical disc taking and placing device comprises a supporting cylinder, a through hole is formed in the bottom of the supporting cylinder, a shaft rod is fixed in the through hole, and a permanent magnet claw arm is rotationally connected to the outer side of the shaft rod; the permanent magnet claw arm penetrates through the through hole and is connected with the hook block, a fixing ring is fixed to the bottom of the iron core, a hydraulic mechanism is fixed in the bottom of the supporting cylinder, the hydraulic mechanism penetrates through the fixing ring and is connected with the permanent magnet claw arm, and a pressing fixing mechanism is fixed to the bottom of the supporting cylinder. The abutting fixing mechanism is connected with the hydraulic mechanism through a first connecting pipeline. According to the optical disc picking and placing device, the action of the three permanent magnet claw arms is controlled through the magnetic pole interaction of the permanent magnets and the electromagnets, compared with traditional mechanical driving, the advantages of no friction loss and high control precision are achieved, and the reliability problem caused by mechanical abrasion in the prior art is solved.

The utility model discloses a dancing toy driving structure, which relates to the technical field of toys, and comprises a base, a support, a stator, a swing rod, a rotor, a circuit board, a switch, a power supply, a connector I, a connector II, a shell, an interface, a mounting groove, a clamping groove, a cover shell, a clamping plate and a doll, the two sets of swing rods are rotationally connected to the two sides of the support, the two sets of rotors are installed at the rear ends of the two sets of swing rods respectively, and the direction of a magnetic field is changed through the stator, so that the stress direction of the rotors is changed, the two sets of rotors move up and down alternately, and the front ends of the two sets of swing rods move up and down alternately. The movement of the mover is controlled through the change of the magnetic field, then the swing rod and the doll are driven to move, the mechanical abrasion is greatly reduced through the non-contact power transmission mode, the service life of the toy is prolonged, and the durability and reliability of the toy are improved.

The utility model relates to a butterfly wing needle cap-shaped waterproof application which comprises a water absorption sponge mat and a cap-shaped application cover, a butterfly wing needle containing cavity is formed in the application cover, a cap brim part is arranged on the periphery of an opening of the application cover, gluing layers are arranged on the lower side face of the cap brim part and the bottom face of the water absorption sponge mat, a waterproof film is attached to the upper surface of the application cover, and a butterfly wing needle containing cavity is formed in the cap-shaped application cover. A needle penetrating hole is formed in the middle of the water absorption sponge cushion. The butterfly wing needle cap-shaped waterproof application effectively isolates direct contact between the butterfly wing needle and the skin through the water absorption sponge pad, avoids mechanical abrasion, is not prone to displacement and falling off, and is easy and convenient to replace. The butterfly wing needle can be well fixed and is not adhered, the risk that the butterfly wing needle is pulled out does not exist during replacement, and potential damage is avoided; a waterproof film is attached to the whole application cover, the butterfly wing needle can be isolated from the outside, and the waterproof effect is good.

The embodiment of the invention provides a preparation method of graphene composite powder. The preparation method comprises the following steps: adding a mixed material of powder and a solid carbon source into a reaction cavity; vacuumizing the interior of the reaction cavity, and then filling inert gas to normal pressure; treating the mixed material in the reaction cavity by adopting an acoustic resonance process, and setting sound wave frequency, acceleration, treatment time and material temperature; and collecting products, and cleaning and separating powder. A mixed material in a reaction cavity is treated by adopting an acoustic resonance process, direct contact friction between a grinding material and powder is avoided through acoustic resonance mixing, the risk that impurities are introduced due to mechanical abrasion is reduced, and the problems that the cost is high and the compounding efficiency is low when graphene powder is prepared through a conventional vapor deposition method are solved; the acoustic streaming effect generated by resonance can permeate into the powder aggregate, the aggregate structure is effectively disassembled and is not influenced by different material densities, powder particles with different particle sizes and different components are promoted to be uniformly dispersed and interacted, and the shape of the original powder is not changed.

The invention discloses an electric power insulator cleaning strength intelligent control system based on sewage collection and analysis, and belongs to the technical field of electric power insulator cleaning. And the corresponding relation between the sewage turbidity and the visual pollution degree is established and utilized, and the cleaning strength of the execution unit is dynamically adjusted. According to the method, the effectiveness of the current cleaning action and the stubborn degree of the dirt can be more accurately judged, so that the cleaning strength is adjusted, and the situation that high-strength cleaning parameters are continuously used under the condition that the dirt is basically removed or is not stubborn is avoided; unnecessary mechanical abrasion and chemical erosion of the brush and the enamel surface of the insulator are remarkably reduced, and the service life of the insulator and the service life of a cleaning executing mechanism are prolonged.

The utility model discloses an activation furnace for porous carbon production, which comprises a bottom plate and a furnace body, the upper end of the bottom plate is fixedly connected with two groups of fixing frames, the furnace body is rotatably connected in the two groups of fixing frames, the two ends of the furnace body are fixedly connected with annular toothed plates, a piston is slidably connected in a device cylinder, and the piston is connected with a piston rod. A driving assembly for driving the piston to slide is installed in the device cylinder, and one-way valves are installed in the two connecting pipes. Lubricating agents are pushed by the piston to be automatically conveyed to the spraying plate from the external container through the connecting pipe and then evenly sprayed to the meshing area between the gear and the annular toothed plate, it is guaranteed that the contact portion of the gear and the toothed plate is always kept lubricated in the high-temperature and dust environment, abrasion caused by increasing of friction force is reduced, and the service life of the gear is prolonged. Therefore, friction force between the annular toothed plate and the gear is relieved, mechanical abrasion is reduced, and the risks of clamping stagnation and tooth breakage are reduced.

The utility model relates to the technical field of snow removal, in particular to a road snow remover. The device comprises a trolley, a hydraulic cylinder is fixed on the inner side of the trolley, a first mounting plate is fixed at the output end of the hydraulic cylinder, and a position adjusting structure is arranged at the bottom of the first mounting plate. According to the road snow remover, due to the design of the position adjusting structure, unnecessary energy consumption and mechanical abrasion are avoided, the ice breaking process is quicker, the working efficiency and the ice breaking effect of the snow remover are improved, the ice breaking structure only breaks an ice layer in the operation process, and the ice breaking effect is improved. No extra damage is caused to the surface of the road; through the design of the crushing structure, the device can more flexibly cope with ice layers with different hardness and thickness, and when the ice layers are particularly hard or non-uniform in thickness, the ice layers can be more effectively crushed through bidirectional rotation, so that the working efficiency of the snow remover is improved.

The utility model relates to the technical field of compressors, and discloses a compressor with high stability, which comprises a compressor main body, a shell, a motor, a dust cover, a sealing element, radiating fins, a top cover, an air inlet, a first spring, a sealing plug, a shifting piece, a second spring, a movable groove, a buckle and a pull rope, the flywheel stores rotating power, motion of the crankshaft is stabilized, and vibration in operation is reduced. According to the compressor with the high stability, the motor effectively transmits power to the crankshaft and the flywheel through the driving shaft and the transmission belt, the energy conversion and transmission efficiency is optimized through the configuration, power output is further stabilized through the flywheel, stable operation of the compressor is guaranteed, energy loss and mechanical abrasion are reduced through the design, and the service life of the compressor is prolonged. And the service life of the equipment is prolonged, and meanwhile, the reliability during continuous high-load work is also ensured.

The utility model belongs to the technical field of edge computing, and particularly relates to an industrial grade passive heat dissipation edge computer based on a Jetson platform. By integrating common equipment interfaces, such as a camera and display interface, an Ethernet interface, an M.2 interface, an RS485 interface and a plurality of industrial interfaces, the multi-interface digital video recorder can meet most industrial scenes, and is high in integration level, relatively small in size, convenient to arrange on site, and capable of saving space and cost. On the other hand, according to the edge computer, a traditional fan heat dissipation mode is abandoned, the metal shell is used as a passive heat dissipation part, air noise is reduced, the failure rate that the fan does not rotate due to mechanical abrasion is reduced, reliability is higher, the edge computer is more suitable for being arranged on an industrial site, and later maintenance cost is reduced.

The brace is characterized by the fact that, through the application of a heat-shrink tube colored in the exact tooth shade, it now blends virtually invisibly into its surroundings. Mechanical abrasion is eliminated.

The invention discloses a slip form device for channel construction. The slip form device comprises a slip form forming steel sleeve body and a piston shield body. The piston shield body is mounted in the slip form molding steel sleeve body; the slip-form forming steel sleeve body is used for channel slip-form construction; the piston shield body comprises a front end cover plate, a rear end cover plate and a supporting oil cylinder. According to the slip form device for channel construction, in the actual application process, the cutter head main body on the channel slip form abuts against the piston shield body, so that the cutter head main body can be driven by the piston shield body to achieve synchronous guiding movement; the stability and precision of the slip form construction process are improved, mechanical abrasion caused by dislocation or uneven stress of components is effectively reduced, and therefore the service life of equipment is remarkably prolonged.

The utility model relates to the field of propelling devices, in particular to a lateral turbine propelling device based on a ship. Comprising a flow guide cylinder, a propeller and a sealing assembly, the propeller is installed in the flow guide cylinder, the sealing assembly is located on the outer wall of the flow guide cylinder, the sealing assembly comprises two fixing bases and a plurality of limiting bolts, the fixing bases are fixedly connected with the outer wall of the flow guide cylinder, rotating shafts rotationally penetrate through the inner walls of the fixing bases, and the arc surfaces of the rotating shafts are fixedly connected with connecting plates; and one side of the connecting plate is fixedly connected with a sealing plate. The lateral turbine propelling device based on the ship has the advantages that personnel can seal or open the guide cylinder in the device according to start and stop conditions of the propelling device, water flow can be prevented from scouring and corroding components such as propeller blades and bearings, mechanical abrasion can be reduced, the service life of equipment can be prolonged, and the service life of the equipment can be prolonged. And sundries are prevented from entering the propeller, and equipment is prevented from being damaged or blocked.

This invention relates generally to a method for producing a purer plastic from a first plastic. More specifically, the first plastic is purified, wherein surface contamination present on the first plastic is reduced by mechanical abrasion.

The clamp convenient to install comprises a sleeving part, a main body part, a spring collet chuck and a compression nut, one end of the sleeving part is connected with an external machine tool, the other end of the sleeving part is provided with a first opening, a first cavity is formed in the first opening, one end of the main body part is connected into the first cavity in a sleeving mode, and the other end of the main body part is connected with the spring collet chuck. The other end of the spring collet chuck is clamped with the compression nut, the compression nut is connected with the main body part, a first connecting hole penetrating through the sleeving part is formed in the outer wall of the sleeving part, a second connecting hole is formed in the main body part, a limiting groove is formed in one end of the main body part, and a limiting rod is arranged in the first cavity; when one end of the main body part is sleeved with the first cavity, the limiting rod and the limiting groove are clamped so that the main body part can not rotate easily, the first connecting hole and the second connecting hole coincide correspondingly, the midperpendicular of the center line where the second connecting hole and the first connecting hole are located and the midperpendicular of the limiting rod are located on the same straight line, and the main body part and the sleeving part are in sleeve type connection. Mechanical abrasion is not easy to generate, and installation is firm.

The utility model relates to the technical field of screw locking jigs, and discloses an automobile steering motor ECU assembly screw locking jig which comprises a bottom plate, a containing plate is installed on the bottom plate through an installation assembly, a limiting assembly is arranged on the containing plate, an installation plate is arranged on the bottom plate, the installation plate is arranged on one side of the containing plate, and the limiting assembly is arranged on the installation plate. A locking cover plate is mounted at the top end of the mounting plate through a rotating shaft, a plurality of screw locking position holes are formed in one side of the locking cover plate, penetrate through the locking cover plate and extend to the other side of the locking cover plate, and the screw locking position holes correspond to the limiting assembly in position; according to the device, through the arranged dust collection assembly, powder generated by screwing can be sucked away and prevented from entering the equipment to cause aggravation of mechanical abrasion, the service life of the equipment is prolonged, and the problem that in the prior art, the service life of the equipment is shortened is solved.

The invention relates to the field of dexterous hands, in particular to a dexterous hand calibration method and device, a dexterous hand, equipment and a medium. The method comprises the following steps: receiving a dexterous hand calibration instruction; controlling the dexterous hand to perform preset calibration operation according to the calibration instruction; acquiring motor data of the dexterous hand in a preset calibration operation process in real time; when the motor data indicates that the dexterous hand completes the preset calibration operation, acquiring pressure data of the dexterous hand; judging whether the pressure data meets a preset pressure condition or not to obtain a pressure judgment result; when the pressure judgment result indicates that the pressure data meet the preset pressure condition, it is judged that calibration of the dexterous hand is successful. Thus, through dual verification of confirming the position of the dexterous hand through motor data and confirming the state of the dexterous hand through pressure data, false calibration caused by mechanical abrasion, foreign matter interference or sensor drifting is orderly avoided, and the truth value degree and the credibility of a calibration result are remarkably improved.

The invention provides a cushion material for a brake pad, a preparation method of the cushion material and a preparation method of the brake pad, and relates to the technical field of automobile parts. Based on the total mass of the cushion material, the cushion material is prepared from the following components in percentage by mass: 20 to 25 percent of straight-chain phenolic resin, 0.5 to 1.0 percent of aramid fiber, 30 to 40 percent of steel fiber, 10 to 15 percent of gamma-aluminum oxide, 10 to 20 percent of kaolin and 10 to 20 percent of barite. When in use, the cushion material is arranged between a friction material and a steel backing and has good bonding performance with the friction material and the steel backing, good shearing force of a brake pad is guaranteed, and when the brake pad is abraded to a cushion layer, high-frequency noise similar to a mechanical abrasion sensor can be generated to remind a driver to replace the brake pad.