51 results about "Low transmission" patented technology

A side throwing type fertilizer distributor belongs to the technical field of fertilizer distributors and comprises a vehicle body, a throwing assembly, wheels, an upper spiral shaft, a lower spiral shaft, a rear flange, a swing frame, a gate, a connecting rod, a push-pull plate, an oil cylinder, a material throwing wheel, a lower large chain wheel, a lower small chain wheel, a driving wheel, an input shaft, an upper chain wheel, an upper large transmission wheel, an upper small transmission wheel, a lower large transmission wheel, a lower small transmission wheel, an upper transmission shaft and a lower transmission shaft. The wheels are connected to the swing frame, the swing frame is hinged to the lower end of the vehicle body, the gate is arranged in the rail groove, the connecting rod is hinged to the gate and the push-and-pull plate, the push-and-pull plate is hinged to the vehicle body, the oil cylinder is hinged to the push-and-pull plate and the vehicle body, the scattering assembly is arranged at the discharging port, and the upper spiral shaft and the lower spiral shaft are connected into the vehicle body through a bearing and a rear flange. The input shaft is arranged on the front lower portion of a transmission box of the vehicle body, and all rotating components are in transmission in the transmission box through chain wheels and chains. The vehicle body is good in sealing performance and high in transmission efficiency, and fertilizer can be thrown to the side of the vehicle body.

This utility model relates to the field of rotary joints, specifically to a rotary joint that can be used as a drive end. It includes a rotating central shaft, comprising an upper transmission part and a lower transmission part connected to a rotating mechanism. The rotating central shaft also includes an inlet and an outlet that are interconnected. A bearing is also included. A housing includes a mounting groove for mounting the rotating central shaft and a feed pipe for supplying material to the inlet, allowing the material to be discharged from the outlet. A connecting flange is located at the end of the lower transmission part away from the upper transmission part, and the connecting flange is adapted to connect to a stirring mechanism. The rotating central shaft passes through the housing. The side of the rotating central shaft is rotatably connected to the housing via the bearing. This utility model provides a rotary joint that can be used as a drive end, combining the rotary joint and the drive part of the stirring mechanism into one, reducing device costs. Because the rotary joint rotates while simultaneously conveying material, it improves the thoroughness of material mixing after stirring.

This invention provides a driving device for a centrally located switchgear valve baffle, comprising an actuating mechanism, an active mechanism, a transmission mechanism, and a guiding mechanism. The actuating mechanism is located on the lower front side of the switchgear truck for the operator to apply force to drive the switchgear truck into the trolley compartment. The active mechanism is located on the left and right rear sides of the switchgear truck for applying force to the transmission mechanism during the movement of the switchgear truck into the trolley compartment. The transmission mechanism includes an upper transmission mechanism and a lower transmission mechanism located on the left and right side plates of the trolley compartment. The upper and lower transmission mechanisms are adapted to drive the upper and lower valve baffles respectively to open under the force applied by the active mechanism, thereby exposing the high-voltage stationary contacts. The guiding mechanism is located on the rear side plate of the trolley compartment for vertically guiding the movement of the upper and lower valve baffles. This application features a clever and simple structural design that can simultaneously drive both sides of the valve baffle, making the opening and closing action of the valve baffle more flexible, stable, and reliable, effectively avoiding valve baffle jamming.

The application is suitable for the technical field of gear design, and particularly relates to a low-resistance gear based on the principle of bionics and a gear face design method thereof. The low-resistance gear based on the principle of bionics comprises a gear face, and the gear face is provided with streamlined grooves simulating the groove texture on the surface of shark skin for reducing the resistance during friction. The method comprises the following steps: determining the contour correlation data between a plurality of gear face feature points corresponding to a plurality of to-be-formed gear faces according to the obtained basic parameters and bionic prototype data; determining gear face bionic restriction data according to the contour correlation data between the plurality of gear face feature points and bionic low-resistance design data; and adjusting the contour parameters according to the gear face bionic restriction data corresponding to the plurality of gear face feature points to obtain processed gear face data. The application can solve the problem that the gear face of the designed gear has large sliding friction during meshing, thereby leading to low transmission efficiency.

The invention provides a semi-closed compressor based on a built-in motor, and aims to solve the problems of low transmission efficiency, easy leakage and high cost of an open compressor in the prior art. The compression module comprises a base flange, a motor cavity shell, a compression module cavity and an internal motor assembly. According to the invention, the motor is internally arranged to realize full sealing, so that a dynamic shaft seal which is easy to leak is eliminated fundamentally, absolute sealing of hazardous gas is achieved, and the safety is higher; the motor rotor and the compressor spindle are integrated in a direct-drive mode, transmission parts such as couplers are omitted, and the transmission efficiency is improved; a dual cooling scheme of medium internal circulation cooling and stator independent cooling is adopted; a medium flows through the interior of the motor along a preset path, so that heat is effectively taken away; the independent stator cooler strengthens heat dissipation, and solves the problem of motor cooling when the air quantity is insufficient; the compressor integrated structure is high in air inlet temperature adaptability and can still stably operate even under the high-temperature working condition of 100 DEG C or above, and the application scene is greatly widened.

The invention provides a BCM analog quantity testing device for controlling an automobile electric appliance, and relates to the technical field of BCM analog quantity testing, the BCM analog quantity testing device comprises a support frame, the top of the support frame is provided with a transmission protection plate; movable plates are slidably mounted on the outer sides of the two guide sliding rods. An upper transmission wheel and a lower transmission wheel are installed in the movable frame, a servo motor is installed on the outer side of the movable frame, and the output end of the servo motor is connected with the upper transmission wheel. The lower transmission wheel is meshed with the side face of the upper transmission wheel, and the lower transmission wheel is meshed with the side face of the rotating gear after moving downwards. The servo motor drives the upper transmission wheel to mesh to drive the lower transmission wheel and then drives the rotating gear to rotate to realize the movement of the adjusting push rod, so that the connection stability of a single test plug and the upper joint of the BCM test module is improved, the test efficiency and accuracy are improved, and the problem of poor connection caused by looseness of individual pins in a multi-channel test interface is solved.

The invention relates to the technical field of planetary speed reducers, in particular to a planetary speed reducer capable of circularly reducing resistance. Comprising a shell, one side of the shell is provided with an input shaft, the side, away from the input shaft, of the shell is rotationally connected with an output shaft, the output shaft is fixedly connected with a planet carrier located in the shell, the planet carrier is rotationally connected with planet wheels distributed at equal intervals in the circumferential direction, and the input shaft is fixedly connected with a sun wheel meshed with the planet wheels distributed at equal intervals in the circumferential direction; an inner gear ring meshed with the planet gears distributed at equal intervals in the circumferential direction is rotationally connected into the shell. According to the planetary reducer, under the condition of large load, firstly, the input shaft and the output shaft are in the low transmission ratio condition, so that the torque of the output shaft is increased, the extrusion force between the planet gear and the sun gear and between the planet gear and the inner gear ring is reduced, abrasion between gears is reduced, in the process, abrasion resistance between the gears is continuously reduced, and the service life of the gears is prolonged. And multiple times of circular treatment are conducted, and the gear is protected.

The utility model discloses a crushing device for PVC (polyvinyl chloride) additive production, which comprises a crushing subassembly and a grinding subassembly which are arranged up and down, the crushing subassembly comprises two upper extrusion rollers arranged on the upper side in a crushing subassembly shell and two lower extrusion rollers arranged on the lower side in the crushing subassembly shell; the outer ends of the upper extrusion roller rotating shafts are provided with upper transmission gears respectively, the two upper transmission gears are in meshing transmission, the outer ends of the lower extrusion roller rotating shafts are provided with lower transmission gears respectively, the two lower transmission gears are in meshing transmission, and a driving gear is arranged between the upper transmission gear on the right side and the lower transmission gear on the right side. The upper side of the driving gear is in meshing transmission with the upper transmission gear, and the lower side of the driving gear is in meshing transmission with the lower transmission gear. Power is provided through gear transmission, so that the transmission efficiency is high, and the crushing effect is good; the grinding machine can be suitable for raw materials with different particle sizes, and the particle sizes of the ground raw materials are smaller.

The utility model discloses a kind of waste material separation and collection devices of automobile parts mould, including support and the collection separation mechanism being installed above support, the collection separation mechanism includes collection component and separation component;The collection component includes chassis, spring, upper conveyor belt, side plate, driving stick, lower transmission belt, material receiving frame and lower discharge port, and the top of support is fixedly installed with chassis;By being provided with driving motor drive rear connection transmission wheel rotation, then transmission wheel is rotated by the transmission belt of outside another transmission wheel, since the transmission wheel of top and eccentric shaft are interconnected, so eccentric shaft is rotated by transmission wheel, eccentric shaft and the shaft of top frame connection and the shaft of transmission wheel connection different center, so eccentric shaft can drive top frame to be dithered in device inside with transmission wheel as center, to be able to drive the screen plate inside to be dithered and conveniently screen waste material, the device solves the problem of current automobile manufacturing.

The invention provides a horizontal electric power steering gear and a vehicle, and the horizontal electric power steering gear comprises a steering gear body assembly which comprises a first input shaft and a first output shaft; the power assisting assembly is connected with the steering gear body assembly, and a power output shaft of the power assisting assembly is connected with the first input shaft; the input shaft assembly is connected with the steering gear body assembly and comprises a second input shaft and a third input shaft, the first end of the second input shaft is used for being connected with a steering column, and the second end of the second input shaft is connected with the first end of the third input shaft through a first transmission assembly; the second end of the third input shaft is connected with the first input shaft, the second input shaft is perpendicular to the third input shaft, and the second input shaft is parallel to the first output shaft. The technical problems that in the prior art, a steering gear horizontal installation mode is high in cost and low in transmission efficiency are solved.

An engine torque smoothing control method, apparatus and device, and a readable storage medium. The method comprises: acquiring a gearbox gear of a vehicle; on the basis of the gearbox gear or a transmission ratio corresponding to the gearbox gear, determining a target torque change rate limit value of an engine; and on the basis of the target torque change rate limit value, performing engine torque smoothing. The engine torque smoothing can be executed in different gears by using different target torque change rate limit values, such that the engine torque smoothing can be executed in a gear with a relatively high transmission ratio by using a relatively small target torque change rate limit value, thereby avoiding the oscillation of a vehicle caused by an excessively large torque change rate at a transmission system; and the engine torque smoothing can be executed in a gear with a relatively low transmission ratio by using a relatively large target torque change rate limit value, such that the torque of an engine can be increased as quickly as possible while the vehicle can maintain smoothness, thereby ultimately effectively balancing the torque response capability of the vehicle and the smoothness of a torque increase process.

The invention discloses a forklift electric steering axle and a power-off auxiliary steering mechanism thereof, and belongs to the technical field of electric steering axles. The device comprises an assembling plate, a transmission box is fixedly arranged on the assembling plate, an electric driving mechanism is fixedly arranged on the transmission box, the device further comprises a magnetic control box fixed to the top of the transmission box, a magnetic control clutch mechanism is arranged in the magnetic control box in a matched mode, an upper electromagnetic plate is arranged in the magnetic control box, and a lower electromagnetic plate is arranged in the magnetic control box. The upper electromagnetic plate regulates and controls the position of the magnetic control clutch mechanism through magnetic attraction. After power failure, the upper electromagnetic plate loses magnetic attraction force, and the magnetic block drives the transmission sleeve to move downwards under the action of gravity, so that the clutch wheel is aligned with the pneumatic transmission wheel. The pneumatic motor works, the pneumatic transmission wheel is driven to rotate through the transmission belt, power is transmitted to the positioning shaft through the clutch wheel, the lower transmission sleeve and other components, then the transmission frame and the rim supporting seat are driven to rotate, and the problem that in the prior art, the running direction of the forklift cannot be flexibly adjusted after power failure is solved.

The invention relates to a hybrid power system and a vehicle, and belongs to the technical field of hybrid power systems. According to the scheme, on the basis that an engine and a motor are coupled through a planet row and output through a multi-gear transmission at the downstream, a gear shifting mechanism is additionally arranged at the input end of the planet row, the gear shifting mechanism can achieve transmission connection of the two input ends of the planet row, and the whole planet row rotates synchronously; the output end of the planet row is directly connected with the output shaft in cooperation with a downstream gear shifting mechanism, 1: 1 direct driving from the first input end to the output shaft is achieved, and a high-speed gear mode with high efficiency and low transmission loss is achieved; meanwhile, when one input end of the planet row is locked through the added gear shifting mechanism, the planet row outputs power input by the first input shaft at the other speed ratio, and when the planet row has two output speed ratios of 1: 1 direct output and non-1, the number of driving modes is doubled in cooperation with a plurality of gears in the downstream multi-gear transmission, and therefore the driving efficiency is improved. And more subdivided working conditions can be efficiently adapted.

The present invention relates to a hybrid power system and a vehicle, belonging to the technical field of hybrid power systems. In such a solution, on the basis of coupling an engine and an electric motor by means of a planetary gear set and achieving output by means of a downstream multi-speed transmission, a gear shifting mechanism is added to an input end of the planetary gear set and can achieve transmission connection between two input ends of the planetary gear set, such that the entire planetary gear set rotates synchronously, and then in cooperation with a downstream gear shifting mechanism, an output end of the planetary gear set is directly connected to an output shaft, such that 1:1 direct driving from a first input end to the output shaft is achieved, and a high-speed gear mode with high efficiency and low transmission losses is achieved. Moreover, when the added gear shifting mechanism locks one input end of the planetary gear set, the planetary gear set outputs power input by a first input shaft at another speed ratio. When the planetary gear set provides both 1:1 direct output and non-1 output speed ratios, in cooperation with a plurality of gears of the downstream multi-speed transmission, the number of driving modes is doubled, and a broader range of specialized working conditions can be efficiently adapted.

The present application relates to the technical field of trackless side sliding door, disclose a kind of trackless side sliding door and its reduction gearbox, including reduction gearbox shell and controller, reduction gearbox shell is sequentially installed with drive portion, lower transmission mechanism, brake, upper transmission mechanism from below to top, drive portion is driven connection lower transmission mechanism, lower transmission mechanism is connected with brake transmission, brake is connected with upper transmission mechanism transmission, upper transmission mechanism transmission connection has transmission upper cover, the upper end of transmission upper cover extends output transmission shaft upward, brake and drive portion are connected with controller communication respectively.The trackless side sliding door and its reduction gearbox of the present application can simultaneously realize manual side sliding door and electric side sliding door, and realize emergency stop in the state of electric side sliding door.

The utility model provides a kind of middle door circuit breaker emergency opening device, it is related to circuit breaker technical field, including: switch board, knob rotationally arranged in cabinet door, transmission lever and transmission assembly.The transmission assembly is linked by mounting seat, displacement rack, main drive gear, driven gear and segmented lifting arm, the rotary motion of knob is converted into the vertical lifting action of lifting arm, and drive switch blade switching rod triggers opening;The segmented lifting arm top end is provided with switch blade switching rod with silicon rubber elastic buffer sheet, and impact force is dispersed by arc recessed contact surface;Insulating isolation ring is additionally provided at knob connection, to ensure high-voltage operation safety.The utility model solves the problems of low transmission efficiency, large operating torque, easily damaged components by opening impact and insufficient insulation protection in high-voltage environment of traditional emergency opening device, realizes single-hand operation quick opening, and reduces mechanical wear and tear and risk of accidental touch.

The utility model relates to the technical field of composite plate and strip rolling equipment, in particular to ultrathin composite plate and strip rolling equipment which comprises two upper clamping rollers and four lower clamping rollers. The lower clamping roller is arranged at the lower end of the upper clamping roller; after a worker places stacked metal plate strips on the conveying belt which is located at the front end of the equipment and located on the outer side of the lower clamping roller, the sliding columns and the sliding boxes are drawn back towards the front end of the equipment through the hydraulic cylinders, so that the second synchronous wheel pulls the crossed type conveying belt forwards, and the metal plate strips are conveyed to the lower clamping roller. A second motor is started to enable a third synchronous wheel, a second synchronous wheel and a chain to rotate, so that the two sides of an upper clamping roller and the upper end of a spring support slide downwards due to extra pressure from a crossed transmission belt, and the stacked metal plate strips are clamped by an upper transmission belt and a lower transmission belt; and the second synchronizing wheel enables the upper clamping roller, the lower clamping roller and the conveying belt to rotate through the crossed transmission belt and the first synchronizing wheel, so that the metal plate belt is conveyed to the position between the two rotating rollers.

The application is particularly an intelligent speed reducer, which solves the problems of small transmission ratio, low transmission efficiency and large self-consumption of the existing speed reducer. The intelligent speed reducer comprises a box body, a box seat and a box cover, and a brake gear shaft and an intermediate gear shaft are rotatably connected between the box seat and the box cover; a planetary gear mechanism is arranged between an input shaft and the brake gear shaft, and a sun gear is sleeved on the input shaft; an end of the brake gear shaft is fixedly connected with a planet carrier; an output shaft gear is fixedly assembled on an output shaft; a torque support arm is fixedly arranged on an outer portion of an inner ring gear, a torque support arm I is fixedly arranged on an inner wall of the box body, and a force sensor is arranged between the torque support arm and the torque support arm I. The application achieves the purpose of increasing the transmission ratio of the speed reducer, has high transmission efficiency, avoids the problem of large self-consumption of the belt, realizes intelligent control and monitoring, has high mechanical efficiency, has low failure rate, and is particularly suitable for oilfield long-stroke and low-stroke pumping units.

The discharging and collecting all-in-one machine for steel calendaring comprises a collecting assembly, the collecting assembly comprises an upper transmission belt and a lower transmission shaft which are used for straightening a steel coil and scraping rolling oil, a driving rotating shaft is arranged in the upper transmission belt in a penetrating mode, and a driven rotating shaft is arranged in the lower transmission shaft in a penetrating mode; the upper transmission belt and the lower transmission shaft are installed in the machining chamber in an included angle mode, the driving rotating shaft and the driven rotating shaft are rotationally connected with the machining chamber, and the included angle of the side, close to the driving component, of the upper transmission belt and the lower transmission shaft is small and used for scraping rolling oil. The included angle of one side far away from the driving part is large for collecting rolling oil to improve the cooling effect; and during material receiving, the upper transmission belt and the lower transmission shaft which are arranged in an included angle mode are adopted, the effects of even oil film scraping, accumulation accelerated cooling, reverse splashing lubrication and the like are achieved, the cooling efficiency of rolling oil is further improved, and meanwhile excessive waste of the rolling oil is avoided.

The application provides a lower transmission vertical roller mill joint shaft replacement device, and relates to the technical field of rolling mill accessories. The lower transmission vertical roller mill joint shaft replacement device comprises a device for replacing a joint shaft on a rolling mill rack, wherein the joint shaft is used for transmitting power of a power assembly to a roller shaft. The lower transmission vertical roller mill joint shaft replacement device comprises a fixed bearing, a movable bearing and a replacement vehicle. The fixed bearing is arranged at the bottom of the rolling mill rack and close to the power assembly. At the end of the fixed bearing away from the power assembly, the movable bearing is detachably engaged with the fixed bearing, and the two bearings form a complete bearing after engagement, which is used for bearing the replacement vehicle. The replacement vehicle can reciprocate on the movable bearing and the fixed bearing. The application greatly reduces labor intensity, improves the replacement efficiency of the joint shaft and is convenient to operate.

The invention discloses a gluing device for a large-diameter cylindrical part. The gluing device comprises a supporting platform, a product clamping mechanism, a driving gear, a transmission chain, a transmission gear set, a transmission rack, a glue gun and a glue gun supporting frame. The product clamping mechanism and the transmission gear set are rotationally connected to the upper surface of the supporting platform through vertical shafts correspondingly, and the outer ring of the bottom of the product clamping mechanism is sleeved with the driving gear. The glue gun supporting frame is fixed to the front side of the upper surface of the supporting platform, the glue gun is horizontally fixed through the glue gun supporting frame, and the transmission rack is horizontally fixed to the rear end of a piston rod of the glue gun; a lower transmission gear at the lower end of the transmission gear set is connected with the driving gear through the transmission chain, and an upper transmission gear at the upper end of the transmission gear set is meshed with the transmission rack. The gluing device disclosed by the invention can meet the requirements of consistency of gluing positions and uniformity of glue discharging amount.

This invention discloses a high-efficiency sealing valve that solves the problems of uneven lateral force on the piston, one-sided wear of the seal, and transmission jamming and self-locking in traditional pneumatic sealing valves. The sealing valve includes an upper cover, a lower cover, a locking nut, and a valve seat. An internal support plate divides the regulating chamber into an upper pneumatic chamber and a lower transmission chamber. The upper pneumatic chamber contains a guide and limiting slider and a non-self-locking multi-start lead screw, with a helical gear connected to the bottom of the lead screw. The lower transmission chamber contains a gear support and a first piston. The gear support is assembled through a radial guide structure, providing rigid horizontal limiting and allowing for slight vertical displacement and small-angle deflection around the valve axis. Two eccentric gears with a 180° phase difference are mounted on the support, achieving radial force self-balancing, reducing seal wear, and improving valve operation stability.

The three-shaft type power reversing and power high-low transmission system comprises a power gear shifting area and a main and auxiliary speed change gear shifting area, the power gear shifting area comprises a power reversing part and a power high-low part, and the power gear shifting area is provided with a reverse gear and two forward gears. The main and auxiliary speed change gear area is provided with four main speed change gears and three auxiliary speed change gears, 24 forward gears are arranged in the forward gear mode, and 12 reverse gears are arranged in the reverse gear mode. Switching between the forward gear and the reverse gear is controlled through the wet clutch, namely, a power reversing structure is adopted, and gear shifting is convenient, fast and comfortable; switching between the forward low gear and the forward high gear is controlled through the wet clutch, namely, a power high-low structure is adopted, power does not need to be cut off in the gear shifting process, the number of operating rods can be effectively reduced, and gear shifting is convenient, fast and comfortable.

The invention discloses a hybrid power generation device for monitoring the state of a power transmission line and a manufacturing method thereof. The hybrid power generation device comprises a wind driving assembly, a base, a shell and an electromagnetic generator. The wind driving assembly provides power; the base is provided with a half-gear transmission structure, the half-gear transmission structure comprises a main shaft rotor, two half-gear shafts and two racks, and baffles are arranged at the two ends of the racks; the wind driving assembly is in driving connection with a main shaft rotor, the other end of the main shaft rotor is in meshing transmission connection with the two half gear shafts through gears, and the two racks are arranged in a crossed mode and are in meshing transmission connection with the two half gears at the corresponding heights of the two half gear shafts. A laminated friction nanometer generator is arranged on the surface, deviating from the rack, of the baffle; the electromagnetic generator part is rotationally connected to the spindle rotor and used for synchronously rotating to generate current. According to the device, a half-gear transmission mechanism is utilized, rotating wind energy is efficiently converted into horizontal reciprocating motion, and stable two-way kinetic energy output is generated with a low transmission ratio.

The utility model provides a two-shaft type power reversing and power high-low transmission system and a tractor. The two-shaft type power reversing and power high-low transmission system comprises a power gear shifting area, a main speed changing gear shifting area, an auxiliary speed changing gear shifting area, a transmission shaft system, a gear system and a clutch system. The transmission shaft system comprises an input shaft, a reverse gear idler shaft, an output shaft, a main speed change output shaft, a main speed change input shaft, an auxiliary speed change input shaft, a small bevel gear shaft, a power output rear section shaft and a power output front section shaft. Switching between a forward low gear and a forward high gear is controlled through the wet clutch, namely, a power high-low structure is adopted, power does not need to be cut off in the gear shifting process, the number of operating rods can be effectively reduced, and gear shifting is convenient, fast and comfortable; a high-gear driving gear and a low-gear driving gear are directly used for a forward gear, and two gears can be effectively reduced, so that compared with a transmission mechanical gear shifting system, two gears can be reduced, the manufacturing cost of a transmission system is reduced, the weight of the transmission system is reduced, and the reliability of the transmission system is improved.

The utility model discloses an oil separator with purification and recovery functions, and relates to the field of oil separators, the oil separator with purification and recovery functions comprises an oil separator body, the bottom of the oil separator body is fixedly provided with a driving bin, the driving bin comprises a base shell, and the oil separator body is fixed on the top surface of the base shell; according to the oil separator with the purification and recovery functions, dynamic coupling is achieved through the upper transmission shaft, the lower transmission shaft and the synchronous belt wheel set, scraping strips on the surface of the filter screen are synchronously driven to conduct periodic cleaning in the operation period of the oil separator, and attached impurities are effectively removed to maintain the through-flow efficiency of the filter screen. According to the device, an adjustable clutch mechanism is formed by a screw-cone pulley transmission assembly, the cleaning function can be selectively started and stopped according to the oil quality condition, and invalid abrasion is avoided. The whole system is completely driven by power of a main engine, an independent power unit does not need to be additionally configured, the equipment energy consumption and the maintenance cost are remarkably reduced while the filtering efficiency is ensured, and the comprehensive advantages of intelligent control and modular design are achieved.

The invention relates to the technical field of ball valves, in particular to a C-shaped wear-resistant ball valve for solid particle media, which comprises a ball valve cavity, a C-shaped valve core rotatably mounted in the ball valve cavity and a first fixing frame fixedly mounted on the ball valve cavity, and a second main shaft is fixedly connected to the outer wall of the C-shaped valve core. The device has the beneficial effects that after a second piston moves downwards to completely compress a second reset spring, when the second piston does not have a downward moving space at the moment, the transmission bearing is fixedly mounted on the second main shaft, and a supporting plate is fixedly connected to the inner wall of the first fixing frame; at the moment, the lubricating liquid in the space located below the first piston and above the second piston is compressed, extruded into a second conveying pipe and conveyed into an annular groove through the second conveying pipe to independently lubricate a transmission bearing in the annular groove, the lubricating liquid is prevented from being hung on the inner wall of a first sleeve and the outer wall of a second main shaft, and the service life of the transmission bearing is prolonged. And the situation that the lower transmission bearing cannot be lubricated is prevented.

The invention provides a condenser locking and transferring device and a locking and transferring method.The locking and transferring device comprises a feeding conveying line, a locking conveying line and a discharging conveying line, and a positioning and locking assembly is arranged on the side edge of the locking conveying line; the output end of the feeding transmission line is connected with the input end of the locking transmission line, and the output end of the locking transmission line is connected with the input end of the discharging transmission line. The conveying speed of the discharging conveying line is larger than or equal to the conveying speed of the locking conveying line, and the conveying speed of the locking conveying line is larger than the conveying speed of the feeding conveying line. The three transmission lines are independently arranged, the transmission speed and start and stop of each transmission line can be independently controlled, the problem that in the prior art, the transmission efficiency is low due to the fact that the whole transmission line keeps synchronous is solved, the production takt is greatly improved, and feeding, discharging and positioning locking operation of the condenser is facilitated.

This invention relates to the field of electric drive axle technology, specifically to a multi-gear power-split electric drive axle and a vehicle. The multi-gear power-split electric drive axle includes a motor assembly and a gearbox assembly. The gearbox assembly includes a first reduction unit, a second reduction unit, a third reduction unit, a fourth reduction unit, a fifth reduction unit, and a differential unit. The gearbox assembly has a first gear, a second gear, and a third gear; when in the first gear, the second driven gear is driven by the third driving gear, and the third driven gear is driven by the fifth driving gear; when in the second gear, the second driven gear is driven by the third driving gear, and the third driven gear is driven by the fourth driving gear; when in the third gear, the second driven gear is driven by the differential housing. This invention solves the problems of complex structure, low reliability, and low transmission efficiency of traditional electric drive axles.

The invention relates to the technical field of brakes, in particular to an electronic mechanical braking device with a self-reinforcement structure. Comprising a shell, the shell is detachably installed on a brake caliper body and detachably connected with a cover body, a motor is installed in the shell, an output shaft of the motor is fixedly connected with a transmission shaft, the cover body is rotationally connected with a butt joint shaft, a composite transmission mechanism is arranged between the transmission shaft and the butt joint shaft, and the composite transmission mechanism is used for transmitting the transmission shaft and the butt joint shaft. The position, away from the cover body, of the butt joint shaft is fixedly connected with a sleeving shaft barrel, and the sleeving shaft barrel is in spline connection with a transmission piece. The transmission mode between the transmission shaft and the butt joint shaft is changed, the brake pad and the brake disc are rapidly attached through the low transmission ratio, then the rotating speed is reduced through the high transmission ratio, the torque is increased, the friction force between the brake pad and the brake disc is increased, and therefore in the braking process, the moving speed of the brake pad is increased, and the braking response speed is increased.