66results about How to "Easy to shift gears" patented technology

The invention discloses a dual-power input type multi-gear and differential-type steering track vehicle transmission. A power inputting mechanism, a dual power inputting mechanism, a three-gear speed changing and braking mechanism, a differential speed type driving mechanism and a PTO power outputting mechanism are installed on a box body, a left track driving mechanism and a right track driving mechanism are of the same structure and are symmetrically installed on the two sides of the box body, the power inputting mechanism is connected with the PTO power outputting mechanism and the dual power inputting mechanism, the dual power inputting mechanism is connected with the three-gear speed changing and braking mechanism, and the three-gear speed changing and braking mechanism is connected with the differential speed type driving mechanism. According to the dual-power input type multi-gear and differential-type steering track vehicle transmission, the problem of mechanical direct driving and hydraulic stepless type combination is solved by switching combination sleeves, three-gear outputting is achieved, the drive efficiency is high, gear shifting is convenient and fast, the braking structure is small, and the operation is light and convenient; meanwhile, a hydraulic motor is adopted to control the positive and negative rotation of a planet carrier gear to change the rotation speed of the two ends of a running driving power outputting shaft to achieve steering, and the problems that the resistance of the running side of an existing tracked vehicle is eccentric, and mud blocking occurs when the tracked vehicle performs steering on the field edge are effectively solved.

The invention relates to a dual-power input type three-gear tracked vehicle transmission. A power input mechanism, a dual-power input mechanism, a three-gear speed changing and braking mechanism, a differential type driving mechanism, a left side track driving mechanism, a right side track driving mechanism and a power output mechanism are installed on a box body. According to the transmission, a mechanical and hydraulic parallel-connection type dual-power input device, a differential type steering device, a three-speed gear shifting device, a built-in braking device are adopted, and gear rings of planetary gear mechanisms at the two sides of a driving wheel of the differential type steering device are controlled to rotate in the positive direction and in the negative direction through a hydraulic motor, so that driving efficiency and control convenience of a tracked vehicle can be improved effectively, the steering accuracy is improved, the rotation speed matching range of efficient driving is enlarged, the applications of the tracked vehicle are increased, the driving safety is improved, and the problems that in an existing tracked vehicle, the transmission efficiency is low, the driving cornering drag is high, the control is difficult, the mud accumulation is severe when the tracked vehicle turns on the edge of a field, and a braking device is complex are solved.

The invention provides an automobile transmission case electromagnetic force clutch, and relates to an automobile transmission case clutch, in particular to an electromagnetic force clutch. A clutch driven disc is fixed on the first shaft of a transmission case; the second shaft of the transmission case is provided with a wheel speed sensor; a flywheel disc is fixed on an engine crankshaft; a flywheel driven disc is arranged on the flywheel disc, and can glide in the axial direction on the flywheel disc; coils are fixed on a coil encloser; the coil encloser is fixed in the encloser of the transmission case; the encloser of the transmission case is connected with an engine cylinder body; the sunk part of a clutch driven plate is slip fit to the inner circle and the outer circle of the projecting portion of the coil encloser; an engine speed sensor is arranged on the encloser of the transmission case. The invention has simple structure, and is installed conveniently. When the invention is used, under the control of a clutch control computer, the start and the gear change of an automobile are as simple and convenient as the start and the gear change of a self-changing gearbox vehicle; however, the automobile adopting the invention can save more than 20 percent of oil compared with the self-changing gearbox vehicle. When the vehicle slides, the engine crankshaft is separated from the first shaft of the transmission case vehicle, and the engine runs at idle, thereby saving oil.

The invention discloses an automobile and a speed changer thereof. The speed changer comprises a shell, an input shaft, a Ravigneaux planet gear mechanism, and first and second single-row and single-stage planet gear mechanisms, wherein the first single-row and single-stage planet gear mechanism comprise a first sun gear, a first planet gear, a first planet carrier and a first inner gear which are sleeved on the input shaft; the Ravigneaux planet gear mechanism comprises a larger sun gear, a smaller sun gear, a longer planet gear, a shorter planet gear, a planet carrier and an inner gear ring; the larger and smaller sun gears, the first inner gear ring, the planet carrier are connected separably with the input shaft; the second single-row and single-stage planet gear mechanism comprises a second sun gear, a second planet gear, a second planet carrier, a second inner gear ring, a first brake, a second brake and a third brake; the second inner gear ring is connected with the input shaft; the second planet carrier is fixed on the planet carrier; the first brake is used for braking the larger sun gear; the second brake is used for braking the planet carrier; and the third brake is used for braking the second sung gear. According to the speed changer, seven forward gears are designed; and the speed changer is simple in structure, and has high shifting efficiency.

The invention relates to a hydraulic pressure automodulation pulling-type clutch release bearing assembly, in particular to a pulling-type clutch release bearing assembly used for medium heavy-duty cars, and belongs to the technical field of an automobile clutch. The pulling-type clutch release bearing assembly comprises a piston and a cylinder body. A cylinder body dustproof sealing ring, a cylinder body snap ring, a cylinder body plastic space ring, a cylinder body hydraulic pressure sealing ring and a cylinder body ring are sequentially installed on an inner circle surface of the left end of the cylinder body from left to right. A piston dustproof sealing ring, a piston snap ring, a piston plastic space ring, a piston hydraulic pressure sealing ring and a piston ring are sequentially placed on an outer circle surface of the right end of the piston from right to left. The pulling-type clutch release bearing assembly is simple, compact and reasonable in structure, abrasion-free, impact noise-free, stable in separating, good in operation and convenient to shift, and speed can be changed conveniently.

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 an automobile and a transmission thereof. The transmission comprises a casing, an input shaft, a Ravigneaux's planetary gear train, a first single-row single-stage planetary gear train and a second single-row single-stage planetary gear train. The first single-row single-stage planetary gear train comprises a first sun wheel sleeved on the input shaft, a first planet wheel, a first planet carrier and a first inner gear ring. The Ravigneaux's planetary gear train comprises a large sun wheel, a small sun wheel, a long planet wheel, a short planet wheel, a planet carrier and an inner gear ring. The large sun wheel, the small sun wheel, the first inner gear ring, the planet carrier and the input shaft are connected respectively in separating mode. The second single-row single-stage planetary gear train comprises a second sun wheel sleeved on the input shaft, a second planet wheel, a second planet carrier and a second inner gear ring, and the second planet carrier is fixed on the planet carrier. A first brake is used for braking the large sun wheel, a second brake is used for braking the planet carrier, and a third brake is used for braking the second inner gear ring. The transmission achieves design of seven forward gears, is simple in structure and high in gear shifting efficiency.

The invention relates to an electric car transmission comprising an outer shell and further comprises an input shaft, an output shaft, a gear shifting shaft, a rapid gear, a flow gear, a gear shiftingsliding sleeve, a transverse pin, a spring and a gear shifting electromagnet which are mounted in the outer shell, the gear shifting sliding sleeve and the gear shifting shaft are slidably matched ina driving mode, and the rapid gear and the slow gear freely rotate on the gear shifting shaft. The input shaft is in transmission with the rapid gear and the slow gear through gear engagement simultaneously, the gear shifting shaft is in engaged transmission with the output shaft through a gear. The spring and a pushing rod of the gear shifting electromagnet are mounted in the shaft hole of the axis center of the gear shifting shaft. The pushing rod of the gear shifting electromagnet overcomes elastic force of the spring to drive the gear shifting sliding sleeve to be separated from one of the rapid gear and the slow gear and engaged with the other gear, and thus gear shifting for speed change is achieved. The electric car transmission has the beneficial effects that electric control gearshifting can be achieved, compared with line pulling for gear shifting, the more convenient effect is achieved, through an automatic gear shifting controller, automatic gear switching can be achieved, energy consumption is reduced, and electric energy can be saved by 30%.

The invention discloses a paper conveying speed-change device for a money-printing gravure printing machine. The paper conveying speed-change device for the money-printing gravure printing machine comprises a rack, wherein a power input shaft and a power output shaft are concentrically arranged on the rack; the end parts of the power input shaft and the power output shaft are connected with gear shifting gears separately; a sliding shifting sleeve capable of moving in a reciprocating mode is installed between the gear shifting gears; and the sliding shifting sleeve controls on-off of the poweroutput shaft and the power input shaft, and meanwhile, synchronous rotation or asynchronous rotation of the power output shaft and the power input shaft is achieved through the gear shifting gears. The paper conveying speed-change device for the money-printing gravure printing machine has the advantages of being simple in structure, convenient in gear shifting and low in operation difficulty, andmeets the requirement that only one gravure printing plate is installed when the money-printing gravure printing machine prints small-batch special products; and the paper conveying speed-change device for the money-printing gravure printing machine is capable of greatly saving the cost, and effectively increasing the printing production efficiency of the money-printing gravure printing machine.

The invention discloses a two-gear gearbox of an electric vehicle. The two-gear gearbox comprises a driving mechanism, a speed reducing mechanism, a gear shifting mechanism, a gear selecting mechanism, a gear shifting actuating mechanism and a control module, wherein the gear shifting mechanism comprises a gear selecting spline (14), a gear shifting shaft (5), a high-speed gear (6) and a low-speed gear (8); the gear selecting mechanism comprises a gear selecting shift fork (15), a gear selecting pull rod (16), a gear selecting gear (17), a gear selecting assembly (18), a gear position cam (19) and a gear propping spring (25). The two-gear gearbox disclosed by the invention adopts electric gear shifting to replace manual gear shifting, so that the gear shifting is convenient.

The invention discloses an electromobile three-gear speed changing double-engine-head driving system. A third-gear gear (4) is provided with a two-stage reduction driving gear (14) and meshed with two input gears (21) at the same time, each input gear (21) corresponds to one motor (22), a transmission shaft sleeve (3) is connected with an output spline housing (5), a second-gear gear (7) and a first-gear gear (6) are arranged in the middle of the transmission shaft sleeve (3) side by side in a freely-sleeved mode, and a double-pawl sliding sleeve (8) is arranged between the second-gear gear (7) and the two-stage reduction driving gear (14). According to the electromobile three-gear speed changing double-engine-head driving system, a stepping motor works when gear shifting is carried out, and the energy can be effectively saved. When the electromobile three-gear speed changing double-engine-head driving system works at a high speed, as only first-stage reduction exists, the efficiency point is higher than that of a traditional gear shifting motor, gear shifting can be rapidly conveniently and stably achieved, and large impact force caused when the gear shifting is carried out can be avoided. The weight of a whole electromobile is borne by a main shaft, the assembly difficulty is reduced, the assembly accuracy is reduced, and a motor shaft can be effectively prevented from being broken.

The invention belongs to the field of machines, and particularly relates to a single disc brake. The single disc brake is characterized in that an armature is connected with a spring, and a brake disc is connected with an exciting coil; a spline sleeve is connected to the brake disc; a transmission shaft IV is connected with a magnet yoke; and a box body is arranged on the outer portion of a shell. The single disc brake has the advantages that the buffer effect is good, gear shifting is convenient and rapid, and the service life is prolonged.

The invention relates to a gear shifting mechanism suitable for an automobile two-gear gearbox, and belongs to the technical field of gearbox gear shifting. A gear shifting motor is fixedly arranged in the gearbox, a coaxial worm is fixed to an output shaft of the gear shifting motor, the horizontal worm is meshed with a horizontal fan-shaped turbine on one side, a gear shaft is fixedly connected to the rotating center of the fan-shaped turbine, and the upper end of the gear shaft is rotationally connected with a gear shifting cover plate through a bearing. The upper end of the gear shaft is connected with an angle sensor on the upper end face of the gear shifting cover plate, a gear shifting boss is fixedly arranged on the side, away from the worm, of the fan-shaped turbine, a shifting fork shaft is arranged below the gear shifting boss, a gear shifting fork is connected to the shifting fork shaft in a sliding mode, and two check blocks are arranged on the upper end face of the gear shifting fork at intervals. The gear shifting boss is arranged between the two check blocks. The problem that at present, a domestic two-gear gearbox is immature in structure is solved.

The invention discloses an information collecting device of a two-gear transmission of an electric car. The information collecting device comprises speed signal magnetic steel (232), gear position magnetic steel (261) and a signal collecting circuit board (27). The speed signal magnetic steel (232) is connected with a gear shifting shaft (5). The gear position magnetic steel (261) is connected with a gear selecting gear (17). The signal collecting circuit board (27) comprises a speed Hall sensor (271), a neutral gear Hall sensor (272) and a high-low gear Hall sensor (273). The neutral gear Hall sensor (272) and the high-low gear Hall sensor (273) are opposite to the gear position magnetic steel (261), and the speed Hall sensor (271) is opposite to the speed signal magnetic steel (232). The signal collecting circuit board (27) collects speed signals through the speed signal magnetic steel (232), and collects gear position signals through the gear position magnetic steel (261). The information collecting device is precise in information collection and convenient to use.

The invention discloses a gearbox with 10 forward gears and 10 reversing gears. The gearbox comprises a main speed change mechanism with five gears, a high-to-low gear speed change mechanism and a front-to-back gear speed change mechanism. Synchronizers are adopted for gear shifting in the main speed change mechanism. In the gear shifting process, the rotation speeds of two parts to be hitched are consistent and synchronous through the effect of the friction force, gear-shifting elements become meshed without impact, the synchronizers make gear shifting easy, the end surfaces of gear-shifting teeth are protected against damage, and therefore the service life of the gear-shifting mechanisms is effectively prolonged.

A power takeoff hydraulic electric control system with a clutch comprises a bypass valve, a booster, the clutch, a power takeoff, a power takeoff control valve, a power-assisted control valve, a hydraulic source, a power takeoff switch, a power takeoff solenoid valve and an air reservoir. The air reservoir sequentially passes the power takeoff solenoid valve and the power takeoff control valve andthen is communicated with a clutch cylinder, a connecting shaft in the clutch cylinder is in driving connection with the power takeoff, a control end of the power takeoff solenoid valve is controlledto be powered on by the power takeoff switch, a control end of the power takeoff control valve is controlled to acquire gas or not by the hydraulic source through the power-assisted control valve, the booster and the bypass valve, and a multifunctional buzzer and a meter lamp are parallelly connected between the junction of the power takeoff switch and the power takeoff solenoid valve and a grounding wire. By the design, free gear shifting under driving power takeoff conditions can be realized, prompt effects are good, hydraulic pressure and air pressure are sufficiently used for control, andthe system is high in popularization and application value and strong in safety.

The invention relates to a gear transmission, and particularly relates to an on-load double-shaft multi-stage neutral-gear-free transmission with engaged gear first and disengaged later. According to the transmission, a box body of the transmission is formed by a lower box body and an upper box body, an input shaft and an output shaft which are parallel are arranged in the box body, 2-10 normally engaged gear pairs with different speed ratios are arranged, each normally engaged gear pair is formed by a fixed gear and an end surface clutch gear, the end surface clutch gear is movably matched with an end surface clutch pawl sleeve, the fixed gear is fixed on one shaft, the clutch pawl sleeve is fixed on the other shaft, an end surface ratchet and a sleeve end surface pawl are engaged and disengaged, and a gear shifting slide block is arranged on the upper box body. According to the transmission, the gear pairs formed by the fixed gears and the end surface clutch gears at the same gear is in the normally engaged state; during gear shifting, devices such as clutches and synchronizers do not need to be matched; gear shifting is easy, the operation is convenient, and the transmission is small in structure; and the double shafts easily realize multi-stage speed change, and the promotion value is achieved.

The invention relates to the field of new energy automobiles, in particular to a new energy automobile gear shifting locking and parking auxiliary mechanism which comprises an outer frame, a protection frame, a first fixing shaft, a second fixing shaft, a rotating rod and the like. The protection frame is fixedly connected to the right side of the outer top of the outer frame, the first fixing shaft is fixedly connected to the rear side in the outer frame, the second fixing shaft is fixedly connected to the front side in the outer frame, and the rotating rod is rotationally connected between the first fixing shaft and the second fixing shaft. When a vehicle is powered off or breaks down and is parked, a driver manually pulls a hand brake rod, an arc-shaped magnetic block can attract a circular magnetic block and a device on the circular magnetic block upwards through magnetic force, a sliding clamping rod does not limit a gear shifting rod any more, and then a torsion spring can reset and drive a rotating rod and a device on the rotating rod to reset; therefore, the shift lever automatically returns to the P gear, and auxiliary parking can be facilitated.

The invention discloses a double-shifting-fork gear shifting structure, a gearbox and a vehicle. The double-shifting-fork gear shifting structure comprises a shell, two gear shifting forks, a driving assembly and two shifting fork shafts, wherein the driving assembly and the shifting fork shafts are installed on the shell. The two gear shifting forks are vertically arranged and distributed in the left-right direction in a spaced mode, and shifting fork acting fork openings of the two gear shifting forks face forwards. The two shifting fork shafts are horizontally arranged in the left-right direction, slidably connected with the shell and distributed in the up-down direction at intervals, the two shifting fork shafts correspond to the two gear shifting forks one to one, and each shifting fork shaft is fixedly connected with the corresponding gear shifting fork and slidably connected with the other gear shifting fork. Any shifting fork shaft can slide left and right relative to the shell and drive the corresponding gear shifting fork to slide left and right. The driving assembly is installed on the shell and used for selectively driving any gear shifting fork to move left and right relative to the other gear shifting fork so as to engage a gear or move to a reset position so as to engage a neutral gear, and the structure is simple.