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

Dual-power input type multi-gear and differential-type steering track vehicle transmission

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.
Owner:HUNAN NONGYOU MACHINERY GRP

Dual-power input type three-gear tracked vehicle transmission

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.
Owner:HUNAN NONGYOU MACHINERY GRP

Speed changing device of electric car and gear shifting assembly

The invention discloses a speed changing device of an electric car. The speed changing device of the electric car comprises a case body, a power input member, a gear shifting assembly, a power output member and a transmission assembly. The power input member comprises an input shaft, a first driving gear and a second driving gear, wherein the input shaft is rotatably arranged in the case body through a corresponding bearing, one end of the input shaft extends out of the case body, and the first driving gear and the second driving gear are arranged on the input shaft sequentially from right to left and driven by the input shaft. The transmission assembly comprises a first transmission gear and a second transmission gear. The gear shifting assembly comprises a spline shaft, a clutch member, an electromagnet, a round pin and a spring. The working position of the clutch member of the gear shifting assembly can be changed by arranging an ejector rod, the round pin and the spring in the spinle shaft. Therefore, inside space of the speed changing device is greatly saved, volume and weight of the speed changing device can be reduced, and energy consumption when the electric car is reduced.
Owner:黄洪良

Automobile transmission-gear box electromagnetic clutch

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.
Owner:刘善平

Automobile and speed changer thereof

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.
Owner:GREAT WALL MOTOR CO LTD

Hydraulic pressure automodulation pulling-type clutch release bearing assembly

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.
Owner:WUXI MINLIAN AUTOMOBILE PARTS CO LTD

Four-wheel drive gearbox for agricultural equipment

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.
Owner:山东卫禾传动股份有限公司

Automobile and transmission thereof

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.
Owner:GREAT WALL MOTOR CO LTD

Electric car transmission

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%.
Owner:臧宏

Tractor speed-changing box unit with synchronizer commutation

The invention relates to a tractor speed-changing box unit with synchronizer commutation, comprising an inverter unit, a main speed-changing unit and an auxiliary speed-changing unit which are arranged in sequence, wherein one end of the inverter unit is connected with a tractor engine, and one end of the auxiliary speed-changing unit is connected with a tractor rear axle. By adopting the arranging manners, the tractor speed-changing box unit with synchronizer commutation can transmit motive power of the tractor engine to the tractor rear axle, a tractor front axle and a power output shaft. By the combination of the inverter unit, the main speed-changing unit and the auxiliary speed-changing unit, 12 forward gears and12 backward gears can be realized; the inverter unit is arranged at front end of the main speed-changing unit, which is convenient to realize commutation and gear engagement by adopting a synchronizer structure and unnecessary to stop the tractor to engage gears in low speed, therefore, the gear-shifting impact and the gear-shifting force are small; the main speed-changing unit adopts a synchronizer to shift gears and is unnecessary to stop the tractor to shift gears, therefore, the gear-shifting impact and the gear-shifting force are small; and an auxiliary speed-changing driven shaft and a bevel pinion in the auxiliary speed-changing unit are integrated, therefore, the structure is compact.
Owner:FIRST TRACTOR

Electronically-controlled shuttle type gear shifting system and method

InactiveCN109764129AGear shiftingSolve the problem of reduced gear shift accuracyGearing controlControl theoryTractor
The invention discloses an electronically-controlled shuttle type gear shifting system and method, and relates to the field of tractors. The system includes an electronically-controlled shuttle type gear shifting switch, a vehicle speed sensor and a speed changing box controller; the electronically-controlled shuttle type gear shifting switch is used for generating a gear shifting signal accordingto gear shifting operation of a user; the vehicle speed sensor is used for acquiring the vehicle speed of a vehicle and generating a vehicle speed signal; and the speed changing box controller is used for judging whether the vehicle is in neutral or not according to the gear shifting signal, if the vehicle is not in neutral, whether the vehicle speed of the vehicle is 0 or not is judged accordingto the vehicle speed signal, if the vehicle speed of the vehicle is 0, separation and reunion of a clutch system are controlled according to the gear shifting signal, and gear shifting is achieved. According to the electronically-controlled shuttle type gear shifting system and method, electronically-controlled shuttle type gear shifting of the tractor is achieved, the problem that the gear shifting precision is low due to the fact that a pull line is used for a long time during pull-type gear shifting used by the tractor at present is solved, and the advantages that the gear shifting precision is high, and the gear shifting precision cannot be decreased after long-term use are achieved.
Owner:LOVOL HEAVY IND CO LTD

Three-gear variable speed transmission mechanism of electrocar

InactiveCN103836128AEliminate the ills of damageAvoid breakingToothed gearingsGearing controlDrive shaftEngineering
The invention discloses a three-gear variable speed transmission mechanism of an electrocar. A transmission sleeve (3) sleeves a spindle hollowly, a three-gear gear (4) sleeves on the periphery of one end of the transmission sleeve (3) hollowly, a two-grade driving reduction gear (14) is arranged on the three-gear gear (4), the other end of the transmission sleeve (3) is connected with an output spline sleeve (5), a two-gear gear (7) and a one-gear gear (6) sleeve a middle portion of the transmission sleeve (3) side by side hollowly, a double-pawl sliding sleeve (8) is arranged between the two-gear gear (7) and the two-grade driving reduction gear (14), and a single-pawl sliding sleeve (9) is arranged between the one-gear gear (6) and the output spline sleeve (5). When the three-gear variable speed transmission mechanism runs at a high speed, efficiency of the three-gear variable speed transmission mechanism is higher than that of other gear-shifting motors since only one reduction grade is provided, gear shifting is convenient and stable, and large impact force during gear shifting can be avoided. The spindle bears the overall weight of the electrocar, so that assembling difficulty and precision are lowered, and fracture of a motor shaft can be avoided effectively.
Owner:重庆绿华电动车有限公司 +1

Paper conveying speed-change device for money-printing gravure printing machine

ActiveCN111911599ASatisfy the need to install only one gravure plateImprove printing production efficiencyToothed gearingsGearing controlGear wheelIndustrial engineering
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.
Owner:BEIJING BANKNOTE PRINTING +1

Two-gear gearbox of electric vehicle

ActiveCN105065654APrecise positioningGet the output speed in real timeGearing controlTransmission elementsLow speedGear wheel
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.
Owner:XUZHOU NANPU ELECTRICAL TECH

Electromobile three-gear speed changing double-engine-head driving system

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.
Owner:重庆绿华电动车有限公司 +1

Single disc brake

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.
Owner:刘宜霞

Foot-operated shifting mechanism used for built-in reverse gear engine

The invention belongs to the field of machinery, relates to a foot-operated shifting mechanism, and particularly relates to a foot-operated shifting mechanism used for a built-in reverse gear engine. The foot-operated shifting mechanism used for the built-in reverse gear engine comprises a shifting positioning device assembly, a foot-operated shifting shaft assembly, a foot-operated shifting drum assembly, a shifting fork shaft assembly, an intermediate shaft assembly, a crankcase left case body, a gear chamber cover and a foot-operated shifting control pedal. The foot-operated shifting mechanism used for the built-in reverse gear engine has the following beneficial effects that 1. control is convenient and shifting is convenient and rapid; 2. the structure is reasonable, appearance is beautiful and concise, working performance is stable and reliability is high; and 3. driving safety performance can be effectively enhanced, safety hidden trouble can be eliminated and vehicle safety coefficient can be enhanced.
Owner:ZHEJIANG JIAJIA JUNENG MOTORCYCLE TECH

Gear shifting mechanism suitable for automobile two-gear gearbox

PendingCN114811035ASimple and direct shifting structureEasy to processGearing controlElectric machineryControl theory
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.
Owner:SHANXI VICTORY AUTOMOBILE MFG CO LTD

Information collecting device of two-gear transmission of electric car

ActiveCN105020388APrecise positioningGet the output speed in real timeGearing controlElectric carsGear transmission
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.
Owner:XUZHOU NANPU ELECTRICAL TECH

Dual power input multi-speed and differential steering tracked vehicle transmission

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.
Owner:HUNAN NONGYOU MACHINERY GRP

Two-gear transmission convenient to operate

The invention discloses a two-gear transmission convenient to operate. The two-gear transmission convenient to operate comprises a box body, an input rod is movably connected to the left side of the box body, and the right end of the input rod penetrates through the box body and is fixedly connected with a power gear located in the box body. According to the two-gear transmission convenient to operate, clamping plates, springs and an assisting plate are arranged, the effect of better saving labor is achieved when gears are shifted, the effect of reducing the gear shifting force is achieved through the counter-acting force of the springs when the assisting plate is pulled out from the clamping plates, therefore, gear shifting is easier, the effect that gear shifting is easier is achieved, the effect that operation is more convenient for drivers is achieved, and the whole driving process is more fluent; and physical output of the drivers is reduced from nuances of operation, therefore, the drivers have more abundant energy in the long-distance driving process, the mental state of the drivers is better, and the effect of conveniently saving the physical power of the drivers is achieved.
Owner:西安佳纳环保科技有限公司

Electric vehicle shift mechanism

The invention discloses an electric bicycle gear shifting mechanism. A third-gear gear (4) is hollowly sheathed on the outer periphery of one end of a transmission shaft sleeve (3), a secondary speed reducing driving gear (14) is arranged on the third-gear gear (4), the other end of the transmission shaft sleeve (3) is connected with an output spline sleeve (5), a two-gear gear (7) and a one-gear gear (6) are hollowly sheathed side by side in the middle of the transmission shaft sleeve (3), a double-pallet sliding sleeve (8) is arranged between the two-gear gear (7) and the secondary speed reducing driving gear (14) and is connected with a pulling fork (16), and the pulling force (16) is driven through a gear pair by a step motor (17). The electric bicycle gear shifting mechanism has the advantages that the step motor only works during the gear shifting, energy sources can be effectively saved; during high-speed operation, only primary speed regulation is realized, so the efficiency can be higher than that of conventional gear shifting motors, in addition, the gear shifting is convenient, fast and stable, and the occurrence of greater impact force during the gear shifting can be avoided; the weight of the whole bicycle of an electric bicycle is totally born on a main shaft, the difficulty and the precision of the assembly can be reduced, and the fracture of a motor shaft can also be effectively prevented.
Owner:重庆绿华电动车有限公司 +1

A dual power input type three-speed crawler vehicle transmission

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.
Owner:HUNAN NONGYOU MACHINERY GRP

Power takeoff hydraulic electric control system with clutch and use method of system

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.
Owner:DONGFENG COMML VEHICLE CO LTD

Self-aligning hydraulic clutch release bearing

The invention relates to a self-aligning hydraulic clutch release bearing comprising a hydraulic cylinder body, a sliding sleeve and a pretension spring, wherein the sliding sleeve is connected with a release bearing; the hydraulic cylinder body comprises a cylinder body main body, a cylinder body outer cylinder and a cylinder body inner cylinder; the sliding sleeve is matched with the interior of an oil chamber of the hydraulic cylinder body in a sliding manner; a disc-shaped spring leaf is mounted on the inner end surface of a bearing outer ring; a tooth-shaped connecting sheet is arranged on the outer end surface of the bearing outer ring; the tooth-shaped connecting sheet is clamped in the concave cavity of the sliding sleeve; the shaft cylinder of the tooth-shaped connecting sheet extends into an inner hole of the bearing outer ring; the disc-shaped spring leaf is riveted on the inner end surface of the bearing outer ring through the shaft cylinder of the tooth-shaped connecting sheet; and the radial clearances are reserved between the tooth-shaped connecting sheet, and the inner hole and the excircle of the bearing outer ring. The invention has the advantages that as bearings are separated from one another under the pushing of hydraulic pressure, the separation is smooth, the operation is easy, and the speed changing and the gear shifting are convenient; and as the hydraulic cylinder body and the sliding sleeve are manufactured integrally, the effects of light weight, high sealing performance and sufficient strength are realized; and as the release bearing adopts the self-aligning structure, damages caused by unbalanced loading can be avoided.
Owner:WUXI MINLIAN AUTOMOBILE PARTS CO LTD

On-load double-shaft multi-stage neutral-gear-free transmission with engaged gear first and disengaged gear later

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.
Owner:石幸运

Gear transmission case

InactiveCN106122421AUniform transmission forceConvenient arrangement of shift connectionsTransmission elementsFluid gearingsAgricultural engineeringAgricultural machinery
The invention belongs to the technical field of agricultural machinery, and particularly relates to a gear transmission case. In order to solve the technical problems, the invention provides the gear transmission case which is uniform in transmission stress, is convenient in gear-shifting connection layout and is convenient for gear shifting. The gear transmission case comprises a main case, a first bearing, a second bearing, a third bearing, a first rotary shaft, a second rotary shaft, a third rotary shaft, an HST hydraulic continuously variable transmission device, a first HST output shaft and the like; the first bearing, the second bearing and the third bearing are arranged in the main case; the first rotary shaft is mounted on the first bearing; the second rotary shaft is mounted on the second bearing; and the third rotary shaft is mounted on the third bearing. The gear transmission case achieves the effects of uniform transmission stress, convenient gear-shifting connection layout and convenient gear shifting, is of a totally enclosed type, realizes totally-engaged sleeve type gear shifting, is long in service life and is novel in structure.
Owner:WENLING MINGHUA GEAR

Gear shifting locking and parking auxiliary mechanism for new energy automobile

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.
Owner:熊停停

Double-shifting-fork gear shifting structure, gearbox and vehicle

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.
Owner:LOVOL HEAVY IND CO LTD
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