60results about How to "Easy gear shifting" patented technology

The invention discloses a gear selection and shift mechanism of a manual transmission, which comprises a gear shifting fork, a gear shift shifting block, a gear selection and shift shaft, a gear selection and shift sleeve barrel which is sleeved on the gear selection and shift shaft and a gear selection return pin which is fixedly arranged, wherein the outer surface of the gear selection and shift sleeve barrel is provided with a V-shaped groove; the end part of the gear selection return pin is elastically in contact with the surface of the V-shaped groove; and the gear shift shifting block and the gear selection and shift sleeve barrel are fixedly connected. The V-shaped groove on the outer surface of the gear selection and shift sleeve barrel is matched with the gear selection return pin, and when the gear selection and shift sleeve barrel axially moves to select a gear, the gear selection return pin can generate thrust force to an inclined plane of the V-shaped groove so as to ensure that the gear selection and shift sleeve barrel automatically returns to a central position to facilitate the next gear selection and shift operation. At the same time, the gear selection and shift sleeve barrel adopts an integrated integration structure which comprises a multifunctional safety device capable of automatically locking, mutually locking (reverse gear locking) and transmitting neutral gear signals and reverse gear signals. The gear selection and shift mechanism ensures that actions of each functional part are more coordinated and reliability, reduces the number of parts, and is good in manufacturability, convenient in assembly and reduced in manufacturing cost.

The invention relates to technical field of manufacturing of tractors, particularly to a hydraulic gearshift of a tractor. The hydraulic gearshift comprises a gear shifting handle, a fork shifting rod and a clutch, wherein a handle position sensor connected to a gear shifting controller is mounted on the gear shifting handle; a clutch position sensor connected to the gear shifting controller is mounted on the clutch; a signal output end of the gear shifting controller is connected with a control end of a gear shifting electromagnetic valve and is used for controlling the movement of the gear shifting electromagnetic valve; the fork shifting rod is connected with a hydraulic cylinder in a transmission manner; the gear shifting electromagnetic valve is connected with an oil circuit of the hydraulic cylinder in series. According to the gearshift, the fork shifting rod is pushed to move by the hydraulic cylinder instead of manpower, so that the gear shifting operation is light and convenient, and the movement is accurate; the gear shifting controller is configured to write a corresponding gear shifting program, so that sequencing gear shifting and automatic gear shifting can be realized.

The invention discloses a speed changer which comprises an input shaft and an output shaft. A power gear a is arranged on the input shaft, at least two output gears are arranged on the output shaft, and a speed change mechanism is arranged between the power gear a and the output gear. The speed change mechanism comprises a primary speed change mechanism, the primary speed change mechanism comprises a transmission gear a and a transmission gear b, and the transmission gear a and the transmission gear b are arranged on the two sides of the power gear a correspondingly. The transmission gear a, the transmission gear b and the power gear a are coaxial, clutches are arranged between the transmission gear a and the power gear a and between the transmission gear b and the power gear a, and each of the transmission gear a and the transmission gear b is connected with one output gear. During gear shifting, only different clutches need to be driven to be attached to the power gear a, a power gear b and a power gear c, gear shifting can be directly completed, gear shifting operation is easy, operation is easy, and the situation that wrong operation is carried out, and consequently the speed changer is damaged is avoided. The engine idling time is short, and the work efficiency of an engine is effectively improved.

The invention relates to an electronic gear shifting mechanism of an electric automobile. The electronic gear shifting mechanism comprises a forward gear inching switch and a reverse gear inching switch, wherein the forward gear inching switch and the reverse gear inching switch are arranged and fixed on the top part of an arched support and are connected with a main motor controller of the electric automobile; when a gear shifting bar enters a forward gear gear-hole from a neutral gear gear-hole, the gear shifting bar contacts the forward gear inching switch to trigger the forward gear inching switch; and when the gear shifting bar enters a reverse gear gear-hole from the neutral gear gear-hole, the gear shifting bar contacts the reverse gear inching switch to trigger the reverse gear inching switch.

The invention discloses a mechanical three-shaft type high-speed-ratio automobile gearbox which comprises an input shaft, an output shaft, an intermediate shaft and transmission gears arranged on the shafts. Due to the fact that each stage of transmission gear of the gearbox is a point-line gear, running of the gearbox can be more stable, the working noise of the gearbox can be reduced, and the service life of the gearbox can be prolonged; due to the fact that the point-line gears are large short-addendum gears, the large gear ratio can be achieved, and through the design of the limit of the gear ratios of the transmission gears, the maximum transmission ratio of the first gear of the gearbox can reach above twelve, the maximization of the transmission ratio of the first gear of the gearbox is achieved, the transportation requirement for steep slope overloading of automobiles is met, an auxiliary gearbox does not need to be added in front of or in back of the gearbox, the manufacturing cost of the gearbox of a heavy-load automobile is reduced, the failure rate of the gearbox is reduced, and the reliability of the gearbox is improved; in addition, the transmission structure of the gearbox does not need to be changed, so the gear shifting operation can be more convenient and flexible.

The invention belongs to the technical field of transmissions, and specifically relates to a four-wheel drive transmission for agricultural equipment, which consists of an active case and a transfer case. The cut-off input power of the rear axle provided by the transfer case realizes the output of the four-wheel drive. The conversion between the two-wheel drive and the four-wheel drive is easy to operate and can be switched at any time. The column gear structure with low processing difficulty is adopted, which reduces the processing cost and improves the Transmission efficiency, gear design conforms to ergonomics, it is convenient for the operator to shift gears, effectively avoids the phenomenon of disengagement and disordered gears, and provides enough power for agricultural equipment used in complex terrain conditions; it has fewer gears and the gear shifting operation is simple , small shifting force, reasonable gear arrangement and gear speed, good safety performance, high reliability, long service life, four drive power outputs provide enough power for agricultural equipment driving on complex roads.

The invention discloses a self locking system of an MT (Manual Transmission) gear shifting mechanism. The self locking system comprises a synchronizer assembly, a shifting fork shaft assembly and a gear shifting operation assembly, wherein the synchronizer assembly, the shifting fork shaft assembly and the gear shifting operation assembly are sequentially connected; a gear shifting operation system is connected with a positioning spring ball device comprising a sleeve and a self locking spring ball which is elastically arranged in the sleeve; a self locking device is arranged in the synchronizer assembly; the gear shifting operation assembly comprises a gear shifting rocker arm which is provided with a waveform convex plate; the self locking spring ball leans against a concave part which is formed by a waveform surface of the waveform convex plate; a neutral position positioning groove is formed in the synchronizer assembly; the self locking device comprises a neutral position positioning spring; the neutral position positioning spring is arranged in the neutral position positioning groove in a clamping way or is deviated from the neutral position positioning groove. According to the self locking system of the MT gear shifting mechanism, disclosed by the invention, the structure is simple, respective and mutual non-interference self locking on the synchronizer assembly and the gear shifting operation assembly is realized, accurate positioning of the synchronizer assembly and the gear shifting operation assembly is ensured, the situation that a driver has a clear gear sense during a gear shifting process is ensured, and gear clearness is ensured.

The invention discloses an antenna mast lifting speed reducer gear shifting mechanism. The antenna mast lifting speed reducer gear shifting mechanism comprises an output shaft, an electric input shaftand a manual input shaft, wherein the electric input shaft and the manual input shaft are arranged in parallel to the output shaft. The output shaft is in sliding and engaged connection with a shifting gear. An electric end gear is fixed to the electric input shaft. A manual end gear is fixed to the manual input shaft. The electric end gear and the manual end gear are located in different planes.The shifting gear is fixedly connected with a gear shifting mechanism. The gear shifting mechanism comprises a shifting fork fixedly connected with the shifting gear. The shifting fork is connected with a cam rotating mechanism. The antenna mast lifting speed reducer gear shifting mechanism is convenient to machine, fast and convenient to operate during gear shifting and simple and reliable in structure, and can conveniently switch power sources for lifting an antenna mast as required.

The invention provides an electronic speed change controller, a speed change system and a bicycle. The electronic speed change controller comprises a base provided with a first rotating shaft, a brakerod rotationally installed on the first rotating shaft and a control unit. The control unit comprises a rotating rod rotatably mounted on the first rotating shaft or a second rotating shaft and an operating rod mounted on the rotating rod; a first switch element and a second switch element are arranged on the rotating rod; the operating rod is provided with a first pressing part and a second pressing part; in the braking direction of the brake rod, the first switch element is located between the brake rod and the second switch element, the first pressing part is located between the brake rodand the second pressing part, and in the axial direction of the first rotating shaft, the first pressing part can move to abut against the first switch element, and the second pressing part can move to abut against the second switch element. The speed change system is provided with the electronic speed change controller, a bicycle is provided with the electronic speed change controller or the speed change system, and the electronic speed change controller has the advantages of being easy to operate and reasonable in structural layout.

The invention relates to a manual/automatic gearbox for mutually floating gear, which is characterized in that the structure is simple, visualized and compact; the manufacturing cost is low; the work is reliable; the transmission efficiency is high; the maintenance is convenient and the multi-pole shift can be realized. The invention comprises a gear shift, a clutch mechanism and a hydraulic electronic control system, wherein the gear shift comprises a flywheel which is fixedly connected to an input shaft by a spline. The input shaft comprises an outer spline and a locating jump ring. By a spline, the input shaft is respectively connected to a first-speed master gear, a second-speed master gear, a third-speed master gear, a backward master gear, a sixth-speed clutch piston, a fifth-speed clutch piston and a fourth-speed clutch piston. An output shaft comprises an outer spline and a locating jump ring. By a spline, the output shaft is respectively connected to a sixth-speed secondary gear, a fifth-speed secondary gear, a fourth-speed secondary gear and a first-speed clutch.

A gear change control system of an automatic transmission, include: a shift member, including a shaft portion which is s disposed in such a manner that a selection axis thereof is oriented in a selecting direction and including an arm portion; shift fork portions, operable to make gear shifts of gears; shift rail members, connected to the sift fork portions and arranged in such a manner that shift axes thereof are oriented in a shifting direction; and shift lug members, projecting from the shift rail members and including pillar-shaped portions. The arm portion swings about the selection axisto apply a pressure in the shifting direction from one side of the pillar-shaped portion so as to cause the shift fork portion to perform a shift making operation, and to apply a pressure in the shifting direction from the other side of the pillar-shaped portion so as to cause the shift fork portion to perform a shift withdrawing operation.

The invention relates to the technical field of tractor manufacturing, in particular to a transmission device of a power shift gearbox. It includes a casing, an input mechanism installed in the casing, a shifting mechanism and an output mechanism, wherein the shifting mechanism includes a left transmission shaft, a right transmission shaft and an output shaft of a power shift section arranged in parallel to each other, and the output mechanism includes a gearbox output Shaft, driven gear for forward gear, driven gear for reverse gear and output synchronizer fitted on the output shaft of the gearbox. The power shift gearbox adopts program-controlled hydraulic and mechanical actuators to complete gear shifting instead of manpower to push the fork lever. The gear shifting operation is convenient, the gears can change a lot, and human misoperation can be effectively avoided.

The invention discloses a separation type high-speed multi-gearshifting transmission. A transmission disc is arranged on the right side of a right hub, a screw hole is formed in the middle of the transmission disc, the transmission disc is fixed to a connecting sleeve of the right hub in a threaded connection mode, a high-speed tooth groove, an intermediate-speed tooth groove and a low-speed tooth groove are sequentially formed in the right end face of the transmission disc, ball grooves are formed in the circumference of the transmission disc, a driving disc is arranged on the right side of the transmission disc, high-speed teeth, intermediate-speed teeth and low-speed teeth corresponding to the tooth grooves of the transmission disc are sequentially arranged on the left end face of the driving disc, and arc-shaped slopes are arranged on tooth ways of the high-speed teeth, tooth ways of the intermediate-speed teeth and tooth ways of the low-speed teeth. A middle shaft sleeve is arranged on the left side of the hub, a middle shaft is arranged in the middle shaft sleeve, and the driving disc is installed on the middle shaft through a bearing. The separation type high-speed multi-gearshifting transmission is simple in structure, convenient to detach, install and maintain, convenient and quick to use and good in effect, and gearshifting speed change can be easily achieved during riding only by backing pedals.

The invention discloses a movable gear-shift multi-gear transmission device with pawls driven by two wheels. The movable gear-shift multi-gear transmission device comprises a center transmission shaft, a gear shift mechanism, multiple sets of planetary transmissions and a power input shaft. Each planetary transmission comprises a center wheel, a planetary frame, a planetary wheel and a gear ring. The planetary transmissions comprise the start planetary transmission, the tail end planetary transmission and at least one set of middle planetary transmission. The planetary frame of the start planetary transmission is integrated with or fixedly connected with the gear ring of the corresponding middle planetary transmission. The gear ring of the tail end planetary transmission is integrated with or fixedly connected with the planetary frame of the corresponding middle planetary transmission. The gear shift mechanism comprises ratchet wheels, a pawl piece frame and at least one pawl piece mounted on the pawl piece frame. The ratchet wheels are correspondingly arranged on the start planetary transmission, the middle planetary transmissions and the tail end planetary transmission. Therefore, the controllability and stability of gear shift are improved greatly.

The invention discloses a double-planet-wheel-set type two-speed electric-driving transmission, relates to the technical field of transmission machinery, and solves the technical problems that existing transmissions are not smooth in gear shifting and large in kinetic energy loss. The transmission comprises a gearbox casing, a driving motor, a reduction gear set, a first planet wheel set and a second planet wheel set; an output shaft of the driving motor is connected with a sun gear of the first planet wheel set; an inner gear ring of the first planet wheel set is fixed to the gearbox case; aplanet frame of the first planet wheel set is connected with an inner gear ring of the second planet wheel set; a brake for braking a sun gear of the second planet wheel set is arranged on the gearboxcasing; a planet frame of the second planet wheel set is connected with a reduction gear set; and power is output through the reduction gear set. The transmission is applicable to electric vehicles or hybrid vehicles.

The invention provides a tractor and a power transfer device thereof. The power transfer device comprises a front axle, a clutch, a speed reducer, a transmission, a hydraulic pump, a hydraulic motor and multiple universal transmission devices; the front axle is connected with the transmission through the universal transmission device; the speed reducer is arranged on the clutch; the clutch is connected with the transmission through the universal transmission device; the speed reducer comprises an input shaft; the hydraulic pump is arranged on the input shaft; when the input shaft is rotated, the hydraulic pump is driven to rotate; the transmission comprises a speed change module; the speed change module comprises a direct connecting input shaft and an intermediate shaft; the intermediate shaft and the direct connecting input shaft are arranged in parallel; a secondary input shaft sleeves the direct connecting input shaft; the hydraulic motor is fixedly arranged at one end of the intermediate shaft; and the hydraulic motor can provide power to the direct connecting input shaft and/or the secondary input shaft.

The invention provides an off-circuit tap-changer. The off-circuit tap-changer comprises a static contact bearer and a main shaft mounted on the static contact bearer through penetration, wherein an upper portion of the main shaft is connected with an operation mechanism, a lower portion of the main shaft is connected with moving contact assemblies, the static contact bearer is circumferentially provided with static contacts with intervals, moving contact assemblies are correspondingly in bridge connection with two adjacent static contacts and further closely contact with the static contacts, the moving contact assemblies comprise annular elastic moving contacts and supporting members, the supporting members are connected with the main shaft, the annular elastic moving contacts are sleeved on the supporting members, inner circumferential surfaces of the annular elastic moving contacts are matched with the supporting members, and outer circumferential surfaces are matched with the static contacts. The off-circuit tap-changer has advantages of stable contact, high reliability and convenient shifting.

The invention discloses a three-gear variable-speed hub motor power assembly with large torque, which is characterized by comprising a motor, a left planetary gear train, a right planetary gear train, a first brake, a second brake, a third brake and a hub, the first brake and the second brake are fixedly connected to the inner wall of a case, the third brake is fixedly connected to a motor shaft, and the hub is fixedly connected to the motor shaft. The three brakes are matched with one another to achieve the gear switching function. According to the invention, three forward gears, a neutral gear and a parking gear can be met, wherein the three forward gears comprise a large-torque gear; meanwhile, the transmission structure has the advantages of being compact in structure, simple in gear shifting mode, high in transmission efficiency, low in assembly precision requirement and the like, provides a new scheme reference for an existing transmission structure of a hub motor of a load-carrying electric vehicle, and has good use value and application prospects.