13results about How to "Avoid setbacks" patented technology

The utility model provides an electric hinge and an electric door and a steaming oven comprising the electric hinge, the electric hinge comprises a transmission assembly, the transmission assembly comprises a first connecting rod and a second connecting rod, the electric hinge further comprises a flexible connecting part, the first connecting rod and the second connecting rod are connected through the flexible connecting part, and the first connecting rod is connected with the second connecting rod through the flexible connecting part. The electric hinge further comprises a damping part, one end of the damping part is arranged on a support of the electric hinge, an output shaft of the damping part is hinged to the second connecting rod, and when the electric hinge is locked, the output shaft of the damping part provides resistance larger than reset elastic force of the electric hinge. And the resistance is smaller than the reset pulling force of the electric hinge. According to the electric hinge, the damping part is arranged and used for absorbing kinetic energy of the second connecting rod, so that the second connecting rod and the first connecting rod cannot directly abut against each other, and the situations of pause, collision and abnormal sound occurring in the door closing process of a door body connected with the electric hinge are reduced.

The invention relates to the technical field of injection molds, and particularly discloses a car lamp lampshade injection mold with a rapid cooling function and a method. Comprising a connecting pipe arranged on the side walls of a lower die body and an upper die body and used for conveying cooling liquid, an extrusion mechanism arranged at the top of the upper die body and a lubricating mechanism arranged in the upper die body and in linkage with the extrusion mechanism, the extrusion mechanism comprises a first ring body, and a second ring body is arranged at the top of the first ring body in a lifting mode; according to the invention, through the extrusion mechanism, when the hydraulic cylinder drives the upper die body to move downwards to be embedded with the lower die body, pressure is applied to the edge of the upper die body, so that the upper die body integrally and uniformly applies pressure downwards; and the situation that a traditional hydraulic rod only makes contact with the center of the top of the upper mold body, so that the pressure applied downwards to the edge and the center of the upper mold body is different, and the injection molding quality between the upper mold body and the lower mold body is affected is avoided.

This utility model discloses a two-speed structure for a pure electric transmission and an electric vehicle in the field of electric vehicle transmission technology. It includes a planetary gear train, an input shaft, an intermediate shaft, a one-way clutch, a shift clutch, a first-speed drive gear, a second-speed drive gear, a first-speed driven gear, and a second-speed driven gear. The planetary gear train is connected to the input shaft. The one-way clutch is installed between the input shaft and the first-speed drive gear. The first-speed driven gear and the second-speed driven gear are installed on the intermediate shaft, and the first-speed driven gear meshes with the first-speed drive gear. The shift clutch is installed on the input shaft, and the second-speed drive gear is loosely fitted on the input shaft and connected to the shift clutch. The second-speed driven gear meshes with the second-speed drive gear. This utility model uses a combination of a planetary gear train and a parallel shaft system to achieve a wide range of adjustable speed ratios, broad vehicle adaptability, reduced structural costs, and improved efficiency.

The utility model provides a large-tonnage mining truck power assembly. The large-tonnage mining truck power assembly comprises an engine, a generator, an ECU engine controller, a GCU generator controller, an RCU range extending system controller, a VCU vehicle control unit, a PDU power distribution unit, an MCU driving motor controller, a BMS battery management system, four driving motors, a reduction gearbox and a power battery. Direct driving force is adopted without interruption, operation of a driver is greatly simplified, frequent gear shifting is not needed, the vehicle runs more smoothly, and pause is avoided; the four driving motors are adopted to jointly form the driving assembly, and the output power of the driving assembly is increased to meet the whole vehicle requirement of a large-tonnage mine truck. The multiple driving motors can also work in a matched mode to meet different load requirements of the whole vehicle, and the energy-saving effect is achieved; and the rate type power battery is adopted, so that large-current charging and discharging can be realized, and the uphill dynamic property and the downhill energy recovery efficiency of the vehicle can be greatly improved.

The invention discloses a hydraulic control system suitable for a small-tonnage forklift, a gear shifting method and a gearbox assembly. The system comprises a forward clutch, a backward clutch, an inching valve, a two-way buffer and an electromagnetic reversing valve. The gear shifting oil way sequentially passes through the inching valve and the electromagnetic reversing valve and then enters the forward clutch and the backward clutch. A bidirectional buffer is connected in series to an oil path entering the forward clutch and the backward clutch; the bidirectional buffer comprises a cavity, an elastic piece, a first piston and a second piston, wherein the elastic piece, the first piston and the second piston are located in the cavity. The first piston and the second piston are fixedly connected with the two ends of the elastic piece correspondingly and divide the cavity into an advancing cavity and a retreating cavity. The elastic piece is matched with the first piston and the second piston, so that the first piston and the second piston can slide in the cavity, and power crossing in the gear switching process can be reduced, so that more gentle gear shifting is achieved.

This invention discloses a multi-mode hierarchical control method, device, and storage medium for an electromechanical brake, belonging to the field of braking control technology. The method includes: determining the current braking mode, which includes: no-travel braking mode, clamping force following braking mode, and retraction mode; when in no-travel braking mode, using a zero-force servo control method for braking, and determining whether the friction pad and brake disc have reached the contact proximity point; if so, entering the clamping force following braking mode; when in clamping force following braking mode, using a dual-fuzzy adaptive sliding mode control method based on the EMB dynamics model to track the target clamping force to enable braking; when in retraction mode, identifying the retraction intention and releasing the brake. This invention can seamlessly switch between multiple control modes, accurately identify the critical contact state of braking, improve tracking accuracy and stability, and avoid dragging or jerking during retraction.

The present invention discloses a linear guide slide with a self-lubricating structure, which belongs to the technical field of linear guide slides, and includes a base, an end support plate, an adjustable inertial resistance mechanism and an inertial displacement self-oiling mechanism. Both ends of the base are provided with embedded grooves, and the end support plate is provided with an embedded block, which can be connected with the embedded groove by snapping, and is used for positioning when the two ends of the base are respectively connected with the corresponding end support plates. The upper surface of the base is provided with a track groove, and a support bar is installed in the track groove. The outer sides of the two end support plates are respectively provided with a motor frame and a lubricating oil tank, and a motor is installed on the motor frame. The invention is provided with a self-lubricating structure, and when the friction is large and the setback occurs, the lubricating oil can be automatically transported to the position where lubrication is required through the relative movement between the moving block and the support block, and the degree of lubrication and the starting point of lubrication can be adjusted according to the situation, so as to cope with a variety of different lubrication needs.

A concentric angle adjuster for a car seat and the car seat thereof belong to the technical field of car seat accessories. It includes an inner gear plate; a bushing with a central hole in the inner gear plate; a pair of wedge-shaped blocks disposed within the bushing cavity; a gear meshing with the inner gear plate, with a gear shaft head extending from the center of the left side of the gear, the inner walls of the pair of wedge-shaped blocks contacting the outer wall of the gear shaft head; a backrest moving plate located to the right of the gear; and a backrest moving plate control plate fixed to the right side of the inner gear plate. The key feature is that it also includes a cross-sliding coupling located between the gear and the opposing side of the backrest moving plate, with a set of cross-sliding coupling mating bosses formed on the right side of the gear, and a cross-sliding coupling receiving cavity formed on the left side of the backrest moving plate, the cross-sliding coupling being disposed within the cross-sliding coupling receiving cavity. Advantages: Improves the speed and ease of backrest angle adjustment, avoids problems such as jerking and noise during adjustment; isolates external dust and debris from intrusion.

The invention discloses a new energy automobile hybrid power output transmission system which comprises a frame, a front axle, a rear axle, wheels, a transmission shaft and a connecting shaft, the frame is fixedly connected with an engine, the engine is in transmission connection with a gearbox through a clutch, the tail end of the gearbox is movably connected with a transmission main shaft used for transmitting power, and the transmission main shaft is fixedly connected with the front axle. A speed change device for changing the speed of the transmission main shaft is arranged at the bottom of the transmission main shaft; through a pneumatic motor of an acceleration mechanism, when a vehicle accelerates, especially shifts gears, an electric control system in the vehicle accurately controls the air inflow to adjust the rotating speed and the torque according to the rotating speed, the gears and other information of an engine, and when the power connection of the engine at the low gear and the rising gear is delayed, the pneumatic motor can rapidly provide the strong torque which is transmitted to a transmission main shaft through a transmission assembly; the power gap is effectively filled, the vehicle jerking is avoided, the acceleration process is stable, and the driving comfort is remarkably improved.

This application proposes a power splitting and shifting control method and apparatus, relating to the field of new energy vehicle technology. The method includes responding to a vehicle driving mode switching request or a gear shifting request, and acquiring the state of charge (SBC) of the power battery and the gear position of the synchronizer; determining whether the power battery charge is lower than a preset depletion threshold based on the SBC; if so, maintaining a constant total drive torque at the vehicle wheels by coordinating and controlling the engine output state, the generator torque of the first motor, and the drive torque of the second motor based on the change in the synchronizer's gear position; determining whether the synchronizer has moved to the target gear based on the synchronizer's gear position; if so, controlling the engine, the first motor, and the second motor to adjust to the operating state corresponding to the target gear. This application can solve the problem of power output interruption when performing mode switching or gear shifting in existing P1+P3 series-parallel hybrid systems under depleted power conditions.

The utility model relates to all terrain vehicle field, specifically disclose a two gear transmission of all terrain vehicle, include: input shaft, be used for connecting the drive motor of all terrain vehicle to receive power, two gear transmission subassembly, including high speed gear set and low speed gear set, be used for realizing different speed ratio power transmission respectively, synchronizer, switchable with high speed gear set or low speed gear set cooperation, to select high speed gear or low speed gear power transmission path. In the utility model, through setting two gear transmission subassembly including high speed gear set and low speed gear set, can switch speed ratio according to the driving scene: high speed gear state, power transmission through first high speed gear, second high speed gear, realizes whole car high vehicle speed travel with adaptable speed ratio, low speed gear state, power transmission through first low speed gear, second low speed gear, through greater speed ratio output sufficient torque, improve the climbing performance and acceleration performance.

The present invention discloses an electric-controlled rotary steel platform integral lifting device and a construction method thereof, which belongs to the technical field of super high-rise building construction, and is used to solve the problems of large deadweight of the lifting equipment, discontinuous lifting, and need for manual assistance during the lifting of the integral steel platform. The device consists of a rotary lifting system, a steel platform system, and a bottom support system. The construction method, first, completes the combined installation of the rotary lifting system, the steel platform system, and the bottom support system; secondly, turns on the motor to make the rotary lifting wheel start to rotate forward, and the gravity load of the entire steel platform system is borne entirely by the rotary lifting system to prepare for lifting; then, operates the motor to complete the overall lifting of a standard layer of a steel platform system; then, turns off the electric control system of the rotary lifting system, so that the gravity load of the entire steel platform system is borne entirely by the bottom support system; then, completes the construction of a standard layer of reinforced concrete structure; finally, performs lifting of the next standard layer.

The invention discloses a multi-gear dual-motor longitudinal front-drive hybrid transmission transmission mechanism and a transmission method thereof, and belongs to the technical field of hybrid electric vehicle transmission. The input shaft is connected with the engine, the front-row planetary gear train and the generator are arranged on the outer side, and the generator rotor is connected with the front-row planetary gear train; the front-row planetary gear train is connected with the first clutch and the second clutch, the first clutch is connected with the rear-row stepped planetary gear train, and the second clutch and the rear-row stepped planetary gear train are both connected with the driving motor; the rear-row stepped planetary gear train is connected with the first brake, the second brake and the output shaft, and the generator stator, the drive motor stator, the first brake and the second brake are all connected with the transmission shell. According to the invention, the economical efficiency of the high-speed cruise working condition is improved, power interruption or pause is avoided, the system integration level and the transmission efficiency are improved, the flexible regulation and control of the dynamic property and the balance of the economical efficiency are realized, and the space utilization rate and the transmission efficiency are improved.