24results about How to "Smooth shifting" patented technology

The invention discloses a six-shaft simple electric control speed change clutch sheet type electric driving system which comprises a power input mechanism, a speed change assembly and a two-shaft power output mechanism, and a power input shaft, a speed reduction shaft assembly, a reverse gear shaft mechanism and the two-shaft power output mechanism of the speed change assembly are arranged on the periphery of a main shaft in the circumferential direction. And the structure is simple and reliable, the expansibility is excellent, and various functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power can be flexibly expanded according to actual requirements. The motor can always and efficiently keep working in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is achieved, and harmony and unification of people, vehicles, roads and running resistance / running loads are achieved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

The invention discloses a power-interruption-free multiplexing actuator two-gear change wheel-side dual-motor independent driving system which comprises a first driving motor, a first primary speed reducer, a first duplex planetary compound gear train, a first intermediate shaft, a first secondary speed reducer, a first output shaft, a first controllable one-way clutch and a first hydraulic multi-plate friction clutch. And the second driving motor, the second first-stage speed reducer, the second duplex planetary compound gear train, the second intermediate shaft, the second second-stage speed reducer, the second output shaft, the second controllable one-way clutch and the second hydraulic multi-plate type friction clutch. The driving systems are arranged in a centralized mode and independently drive wheels on one side, and the same gear shifting control mechanism is reused on the two sides. By controlling the controllable one-way clutch and the multi-piece type friction clutch, seven driving modes including first-gear driving, second-gear driving, neutral gear, first-gear regenerative braking, second-gear regenerative braking, reverse running and parking braking can be achieved, and switching of the driving modes on the two sides can be completed at the same time without power interruption.

The invention discloses a five-shaft simple electric control speed change clutch plate type electric driving system which comprises a power input mechanism, a speed change assembly and a two-shaft power output mechanism, and the speed change assembly comprises a main shaft, a speed reduction shaft assembly, a frame clutch plate mechanism and an elastic mechanism. The system is simple and reliable in structure and excellent in expansibility, can flexibly expand various functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power according to actual requirements, and meets the design requirements of platformization and modularization. Moreover, the motor can always work efficiently in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is realized, harmony and unification of people, vehicles, roads and running resistance / running load are realized, and the driving safety is improved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

The invention relates to the technical field of gearbox gear shifting control, and discloses a tractor pneumatic control gear engaging device which comprises an upper cover fixedly installed on a gearbox, gear shifting blocks and air cylinder assemblies, the multiple gear shifting blocks are installed in the upper cover in a sliding mode, and the telescopic ends of the air cylinder assemblies are used for pushing and pulling the gear shifting blocks to horizontally move left and right. The air cylinder assembly comprises a cylinder body, a first piston and a second piston are installed on the cylinder body in a sliding mode, and a first air injection hole, a second air injection hole and a third air injection hole are formed in the surface of the cylinder body. According to the pneumatic control gear engaging device, the air cylinder assemblies capable of achieving three-gear positioning are arranged, the air cylinder assemblies can drive the gear shifting blocks to be switched among the high gear, the neutral gear and the low gear, the requirement for controlling the meshing sleeve to slide left and right is met, the multiple air cylinder assemblies control the gear shifting blocks to act independently, a gear selecting air cylinder set is omitted, the overall structure of a gear engaging mechanism is simplified, and the gear engaging device is convenient to use. The size is reduced, the failure rate is reduced, and convenience is provided for later use, maintenance and debugging.

The invention discloses a five-shaft simple electric control variable speed taper clutch type electric driving system which comprises a power input mechanism, a variable speed assembly and a two-shaft power output mechanism, and the variable speed assembly comprises a main shaft, a speed reduction shaft assembly, a taper clutch mechanism and an elastic mechanism. The system is simple and reliable in structure and excellent in expansibility, can flexibly expand various functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power according to actual requirements, and meets the design requirements of platformization and modularization. Moreover, the motor can always work efficiently in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is realized, harmony and unification of people, vehicles, roads and running resistance / running load are realized, and the driving safety is improved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

This invention discloses a rapid detection device for the planar runout of the end face of medium and large bearings, comprising a base and a turntable. The top wall of the turntable serves as a placement surface, and several slots are evenly distributed along the circumference of the turntable on the placement surface. Each slot is formed from the edge of the turntable towards its center. A clamp is movably mounted in any three slots, arranged in a triangular pattern. Each clamp has an arc-shaped contact surface at its starting end for contacting the outer peripheral wall of the bearing race under test. Each clamp is equipped with a fastening structure for securely connecting the clamp to the corresponding slot and an adjustment structure for adjusting the relative height between the clamp and the turntable to accommodate bearing races of different thicknesses. The base is equipped with a detection element for detecting the planar runout of the bearing race end face. This invention solves the problems of existing bearing planar runout detection equipment, such as complex structure, poor adaptability, easy damage to the bearing surface, inconvenient disassembly and assembly, and low detection efficiency.

The utility model relates to the field of printing, in particular to a cleaning device for silk-screen printing. According to an existing cleaning device for silk-screen printing, ink on the surface of a silk-screen frame is difficult to fully scrub, the silk-screen frame is difficult to clamp and fix during cleaning, and ink contained in meshes of the silk-screen frame is difficult to scrub cleanly. A cleaning device for silk-screen printing comprises a table frame, an installation frame, sliding rails and electric sliding blocks, the installation frame is installed on the top of the table frame, the two sliding rails are installed on the upper portion of the installation frame and are symmetrically arranged, and each sliding rail is connected with the corresponding electric sliding block in a sliding mode. The rotating soft brush roller rapidly scrubs ink on the silk screen frame, the electric sliding block drives the straight groove frame to move reversely, the soft brush roller rotates reversely to scrub the silk screen frame for the second time in the process that the straight groove frame moves reversely, and the soft brush roller is used for scrubbing the silk screen frame in a reciprocating mode, so that the ink on the surface of the silk screen frame is more sufficiently scrubbed. And the scrubbing efficiency is improved.

The invention discloses a four-shaft simple electric control variable-speed taper clutch type electric driving system which comprises a power motor, a variable-speed assembly and a two-shaft power output mechanism, the variable-speed assembly comprises a main shaft, a shaft sleeve, a taper clutch mechanism, an elastic mechanism and a speed reduction shaft assembly, the structure is simple and reliable, the expansibility is extremely good, and the power output mechanism is stable and reliable. A plurality of functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power can be flexibly expanded according to actual requirements, and the design requirements of platformization and modularization are met. Moreover, the motor can always work efficiently in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is realized, harmony and unification of people, vehicles, roads and running resistance / running load are realized, and the driving safety is improved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

A stepless speed change pole transmission type speed changer comprises a driving cone pulley assembly, a driven cone pulley assembly and a transmission steel belt, and the driving cone pulley assembly and the driven cone pulley assembly are each formed by coaxially and fixedly connecting a fixed cone pulley and a movable cone pulley assembly and are connected through the steel belt; the movable cone pulley assembly is composed of an internal gear, a movable cone pulley, a partition plate and a cone pulley support, the cone pulley support is a gear shaft fixedly connected with the fixed cone pulley, the internal gear is a cylindrical gear, first internal teeth meshed with the cone pulley support are arranged on the hole wall of a center hole of the internal gear, and the outer side of one end of the internal gear extends in the axial direction to form an oil cylinder. A partition plate with an oil hole is inserted into the oil cylinder, and the other end of the partition plate is connected with the movable cone pulley. The large-torque transmission device has the beneficial effects that the structure is simple and reasonable, the problem of slipping sometimes during large-torque transmission is effectively solved through the mode that the inner gear and the outer gear are meshed, and the functions of smooth gear shifting and smooth large torque are achieved.

The invention discloses a synchronous regulation and control type bridge swivel construction intelligent control system and a construction method.The system comprises a swivel construction device, a swivel monitoring module and a swivel control module, and the swivel construction device comprises an annular friction disc, a guide supporting device and an annular guide rail arranged on a bridge body support bearing platform; the annular friction disc is coaxially sleeved on the periphery of the axle body support turntable, a friction liner is arranged on the inner wall, and a gear ring is arranged on the outer wall and is driven by an electric driving device; the guide supporting device is arranged at the bottom of the annular friction disc, the lower end of the guide supporting device can slide along the annular guide rail, the rotation monitoring module monitors the rotating speed of the annular friction disc and the rotating disc in real time, and the rotation control module regulates and controls the electric driving device according to the obtained rotating speed. Uniform bearing and low-friction driving are combined through the annular friction disc, synchronous and accurate regulation and control of the rotating speed of the bridge body are achieved through PLC intelligent control, and the problems of dynamic balance keeping, posture real-time and accurate control and the like of large-tonnage bridge body rotating construction are effectively solved.

The invention discloses a four-shaft simple electric control speed change clutch sheet type electric driving system, which comprises a power motor, a speed change assembly and a two-shaft power output mechanism, the speed change assembly comprises a main shaft, a shaft sleeve, a frame clutch sheet mechanism, an elastic mechanism and a speed reduction shaft assembly, the structure is simple and reliable, the expansibility is excellent, and the speed reduction shaft assembly is stable and reliable. A plurality of functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power can be flexibly expanded according to actual requirements, and the design requirements of platformization and modularization are met. Moreover, the motor can always work efficiently in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is realized, harmony and unification of people, vehicles, roads and running resistance / running load are realized, and the driving safety is improved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

The utility model relates to an air supply device, in particular to an air supply device for tunnel construction. The utility model provides an air supply device with shifting and fixing functions for tunnel construction, which comprises a mounting rack, a shell, fan blades, a motor and the like, the mounting rack is connected with the shell, the motor is mounted in the shell, and the front end of an output shaft of the motor is connected with the fan blades through a coupler. The support is rotated to move oppositely to be connected with the mounting frame in a clamped mode, the device is straightened, the shell is pushed to drive the universal wheels to move on the ground to achieve displacement, a steel rope penetrates through the mounting frame, suspension equipment is operated to lift the device upwards, a plurality of screws correspond to corresponding threaded holes in the mounting frame, and therefore the device can be fixedly mounted. And the motor is started and can drive the fan blades to rotate to supply air to the tunnel.

The invention discloses a six-shaft simple electric control speed change taper clutch type electric driving system which comprises a power input mechanism, a speed change assembly and a two-shaft power output mechanism, and the speed change assembly comprises a main shaft, a speed reduction shaft assembly, a reverse gear shaft mechanism, a taper clutch mechanism and an elastic mechanism. The power input shaft, the speed reduction shaft assembly, the reverse gear shaft mechanism and the two-shaft power output mechanism are arranged on the periphery of the main shaft in the circumferential direction. And the structure is simple and reliable, the expansibility is excellent, and various functional modules such as human-controlled reversing, inertial reversing and active upshift and downshift according to real-time power can be flexibly expanded according to actual requirements. The motor can always and efficiently keep working in the current high-efficiency area according to the change of the driving intention, a multi-parameter control strategy with the consciousness and intention of people as priority is achieved, and harmony and unification of people, vehicles, roads and running resistance / running loads are achieved. The important scientific and engineering technology common key problem of traction / driving force-running resistance / load efficient and accurate balance control is solved.

The invention provides an automatic two-gear gearbox for new energy engineering machinery and a control method of the automatic two-gear gearbox. The automatic two-gear gearbox for the new energy engineering machinery comprises an input end, a speed reducing mechanism, a torque reducing mechanism and an output end, the input end is provided with a one-way bearing and a centrifugal clutch, the one-way bearing and the centrifugal clutch are in transmission connection with the speed reducing mechanism and the torque reducing mechanism respectively, and the speed reducing mechanism and the torque reducing mechanism are in transmission connection with the output end. And the two motors are in transmission connection with the output end. According to the control method of the automatic two-gear gearbox for the new energy engineering machinery, the rotating speed of the input end is controlled to select the transmission direction, and gear shifting is achieved. According to the automatic two-gear gearbox for the new energy engineering machinery and the control method of the automatic two-gear gearbox, the defects that the structure and the control method are complex, and pause is prone to occurring are overcome.

The invention discloses a gear-shifting and energy-saving control method, device and system for a plug-in hybrid electric vehicle. The method comprises the following steps: acquiring vehicle driving data; c-means clustering analysis is carried out on the vehicle driving data; according to the vehicle driving data after clustering analysis, a BP neural network is constructed, and the BP neural network is utilized to carry out on-line optimization on a gear shifting sequence; determining a reference curve of the SOC, and comparing the reference curve with the current SOC to iteratively update the equivalent factor; and gear shifting and power distribution are optimized through real-time updating of the equivalent fuel oil minimum strategy. By the adoption of the technical scheme, the plug-in hybrid electric vehicle adapts to different working conditions, gear shifting and power distribution are optimized, the problem of mixed integers in a control algorithm is avoided, and better fuel economy is shown under hybrid drive.

The utility model provides a neck hanging fan which comprises a neck wearing part and an air supply mechanism connected to the two ends of the neck wearing part, the air supply mechanism comprises a shell and a fan, the shell comprises an air outlet facing the neck of a human body, and an air supply cavity suitable for installing the fan and an air channel suitable for guiding airflow to the air outlet are formed in the shell. The air channel comprises at least one streamline inner side face which is a smooth and continuous curved face, the end, close to the air supply cavity, of the air channel is a first air supply section which is in butt joint communication with the air supply cavity through a communication opening, and the end, close to the draught fan, of the streamline inner side face participates in forming the first air supply section and has the trend of protruding outwards. The first air supply section is suitable for slow flow guide. Flow field distribution in the air channel is optimized by arranging the streamline inner side face, vortexes are reduced, resistance is reduced, local high air speed is reduced by arranging the first air supply section which tends to protrude outwards for slow flow guide, speed change is more stable, speed distribution is even, noise at the first air supply section, namely the highest flow speed position, is lowered, and noise reduction is facilitated. And user experience is improved.

The invention belongs to the technical field of constructional engineering construction machinery, and particularly relates to an oblique traction in-place tool and a using method. Comprising a plurality of first connecting lugs arranged on the surface of a steel ball body, a plurality of second connecting lugs fixed to the spherical exhibition hall and traction assemblies arranged between the first connecting lugs and the second connecting lugs, guide wheel sets are arranged on the two sides of the second connecting lugs at intervals, and traction cables are arranged on the guide wheel sets; one end of each traction cable is connected with a winch installed on the spherical exhibition hall, the other ends of the traction cables are jointly connected with the corresponding traction assemblies, and each traction assembly comprises a fixed lock head corresponding to the first connecting lug, an adjustable lock head corresponding to the second connecting lug and a steel inhaul cable arranged between the adjustable lock head and the fixed lock head. By the adoption of the technical scheme, the problem that a worker needs to continuously adjust stress balance of a steel ball due to the fact that an existing steel inhaul cable deforms after traction is completed can be effectively solved.

The utility model relates to a kind of soft soil foundation pile rectification device applied to piling equipment field, including piling equipment component, the side end of piling equipment component is provided with angle monitoring component, accessory moving component is provided outside angle monitoring component, docking firm component is provided in accessory moving component, in the scheme, piling equipment component precision control steel sheet pile strip is beaten into, the reliable data of double monitoring of angle monitoring component is provided, guarantee perpendicularity monitoring accuracy, when detecting to tilt, timely remind operator to stop adjustment, fit safety specification, artificial judgment avoids mechanical automatic rectification excessive, adapt to the characteristics of sudden deviation of soft soil foundation, accessory moving component dynamic adjustment, ensure shift stability, docking firm component guarantees shift accuracy, overall realize side piling side rectification, improve piling efficiency and quality, ensure steel sheet pile strip vertical, enhance soft soil foundation pile structure stability and security, reduce later maintenance, prolong service life.

This utility model discloses a dual-power switching mechanism, a transfer case, and engineering machinery, including a cylinder, a piston sleeve, a meshing sleeve, and a bearing. The cylinder has a hollow structure with at least one air inlet on its annular circumferential surface. The piston sleeve is arranged in the cylinder and can move axially within it. The meshing sleeve is embedded in the piston sleeve. The bearing is arranged between the opposing circumferential surfaces of the piston sleeve and the meshing sleeve. The meshing sleeve can rotate circumferentially within the piston sleeve but cannot move axially. Two rotating shafts are inserted through two coaxially arranged openings in the cylinder. After air is introduced through the air inlets, the piston sleeve drives the meshing sleeve to reciprocate within the cylinder, disengaging and connecting the two rotating shafts at their joints, thereby achieving power transmission between the two shafts. This utility model's power switching mechanism utilizes the principle of reciprocating piston movement within the cylinder, and features two air inlets for gear shifting, making operation convenient and smooth.

The invention relates to the technical field of hydraulic pressure, in particular to a control mechanism for a rotary hydraulic device, which comprises an oil port A, an oil port B and a speed change valve, the speed change valve comprises a speed change valve core and a speed change channel, and a speed change valve cavity is arranged at the end part of the speed change valve core and is used for controlling the speed change valve core to move between a first speed position and a second speed position; the control valve is communicated with the oil port A and the oil port B and comprises a control valve core, and a load valve cavity is formed in the control valve core; when high-pressure oil enters the oil port, the control valve element is at the initial position, the variable-speed valve element is arranged at the first speed position, and the control valve element is switched to the control position, the high-pressure oil is introduced into the variable-speed valve cavity through the variable-speed channel from the control valve, the variable-speed valve element moves to the second speed position, the high-pressure oil enters the load valve cavity and acts on the control valve element, and when the pressure reaches a set value, the variable-speed valve element moves to the load valve cavity. And the control valve element is pushed back to the initial position, so that the variable-speed valve element moves back to the first speed position. The technical problems that in the prior art, the speed needs to be switched manually, and the speed cannot be adjusted automatically are solved.

A bicycle independent gearshift includes a box, a toothed disc, a gearshift component and a gearshift handle mounted on a handlebar. The box is fixed at the joint of a frame vertical tube and a rear lower fork, and the toothed disc is mounted on a crank on the left side of the bicycle. A gearshift wheel is arranged at the upper left side of the box and connected with the gearshift handle through a gearshift line. An input wheel is arranged at the lower left side of the box and connected with the toothed disc through a transmission member. An output wheel and a supporting arm are arranged at the right side of the box and connected with a freewheel of the bicycle through a transmission member. The gearshift component is mounted in the box and includes a gearshift gear, a gearshift disc and a gearshift member. The gearshift gear and the gearshift disc are axially engaged to change a transmission ratio. The gearshift member is provided with a buffer structure to ensure the convenience and smoothness of gearshift. The invention has simple structure, low cost and long service life. It is not only suitable for human-powered bicycles and tricycles, but also suitable for pedal driving systems of electric vehicles or moped, and can be used in mechanical gearshift occasions in other fields.

The utility model provides a permanent magnet synchronous turbine gear motor for an elevator, belongs to the technical field of elevators, and solves the problem that the conventional similar motor is easy to vibrate during operation. The motor comprises a sports car shell and an outer cover fixed with the sports car shell, and an integrally formed gear motor shell is fixedly connected in the outer cover. The speed reduction motor shell is provided with a speed reduction cavity and a motor cavity which are perpendicular in axis and communicated with each other, the outer side face of the motor cavity abuts against the outer cover, and at least two fixing columns protrude out of the outer side of the speed reduction cavity and are fixed to the outer cover. A stator, a rotor and a motor shaft are arranged in the motor cavity, one end is connected with a motor end cover, and an encoder is arranged outside the end cover; a speed reduction shaft and a speed reduction gear are arranged in the speed reduction cavity, and the speed reduction gear is in meshing transmission with the motor shaft. The speed reducing motor is compact in structure and stable in connection, vibration of the speed reducing motor in the operation process can be effectively reduced, and the operation safety and reliability of the elevator are improved.

The invention relates to the technical field of transmissions, in particular to a gear adjusting device, a transmission and a gear control method.The gear adjusting device comprises a shaft sleeve, a plurality of gear shifting gears and a mandrel, and when the mandrel rotates and a sliding-in part of a pawl enters a corresponding gear driving part, a protruding part of the pawl bounces to be buckled with a corresponding inner tooth groove; when the sliding-in part of the pawl enters the outer wall of the mandrel, the protruding part is separated from the inner tooth groove. According to the gear shifting mechanism, the inner tooth groove structure of the gear shifting gear is matched with the pawl structure, in the gear shifting process, the pawl structure of the previous gear can be pried away from the corresponding inner tooth groove of the gear shifting gear through the edge of the gear driving part of the central spindle, and the effect that the pawl structure is not stopped when a load is shifted up and down is achieved. The speed reducer has the advantages of quick gear shifting response, high transmission efficiency, wide speed ratio, load shifting up, light load shifting down and the like.

The invention relates to a gearbox gear shifting method and device, a vehicle and a computer storage medium, and belongs to the technical field of engine control. The gearbox gear shifting method comprises the steps that vehicle driving state information in the vehicle driving process is obtained; when it is judged that the vehicle enters a gear shifting state based on the vehicle driving state information, the gear shifting fuel injection quantity and the gear shifting rotating speed value of a vehicle engine at the moment of entering the gear shifting state are obtained; and in the gear shifting process of the vehicle, the fuel injection quantity of the vehicle engine is maintained to be the gear shifting fuel injection quantity, and the rotating speed value of the vehicle engine is maintained to be the gear shifting rotating speed value until the vehicle exits from the gear shifting state. According to the method, the engine state can be maintained to be the state at the moment before gear shifting during gear shifting of the vehicle, the gear shifting process is smoother, pause is avoided, and the safety of vehicle driving is improved.