31results about How to "Increase the number of stalls" patented technology

The invention discloses a built-in clutch which comprises a mounting shaft, gears, a splined hub, lifting levers and a bidirectional synchronization ring. The gears are sleeved on the mounting shaft, the splined hub is connected with the mounting shaft, cavities are arranged on the gears, inner joint gear rings are arranged on the side walls of the cavities, a hollow shaft sleeve is arranged in the mounting shaft, a slot is formed in the shaft sleeve, one end of each lifting lever is inlaid in the splined hub, the other end of each lifting lever penetrates the shot of the shaft sleeve and is inserted into an inner cavity of the shaft sleeve, an outer gear ring of the splined hub is matched with the inner joint gear rings of the gears, and the bidirectional synchronization ring is arranged among the splined hub and the side walls of the inner cavities of the gears. The built-in clutch has the advantages that the built-in clutch and a gear shifting control mechanism of the built-in clutch are based on an existing parallel shaft type gear transmission, so that gears of the transmission can be closely arranged, the axial size of the transmission can be reduced, the volume of the transmission can be decreased, the transmission can be lightened, and the manufacturing cost can be lowered.

The invention relates to a stretching foot lock catch adjusting mechanism which comprises positioning holes (11) formed in a stretching foot (1) and lock catches (21) correspondingly arranged on a fixed foot (2). The stretching foot lock catch adjusting mechanism is characterized in that the positioning holes (11) are two rows of parallel positioning holes, and the two rows of positioning holes (11) are displaced in the length direction of the stretching foot (1); each lock catch (21) consists of a support (211), a first pin (212), a first elastic element (213), a second pin (214), a second elastic element (215) and a pull ring (216); the first pins (212) and the second pins (214) are matched with the positioning holes (11) alternatively to form a locking state; the pull ring (216) is pulled by an external force so that the heads of the first pin (212) and the second pin (214) are withdrawn out of the positioning holes (11) to be unlocked. The stretching foot lock catch adjusting mechanism is many in adjustment gear, convenient to operate and high in locking reliability.

The invention relates to the field of a tractor and discloses a partial power shifting transmission device for the tractor. The partial power shifting transmission device for the tractor comprises a power shifting part (1), an ordinary creeper gear shifting part (2) and a synchronizer shifting part (3), wherein a shaft I (S1), a shaft II (S2) and a reverse gear shaft (S3) are mounted inside the power shifting part (1); a shaft IV (S4) and a shaft V (S5) are mounted inside the synchronizer shifting part (3); one end of the shaft I (S1) is connected with an engine, and the other end of the shaft I (S1) is connected with a hydraulic control mechanism (36); one end of the shaft V (S5) is connected with a rear axle, and the other end of the shaft V (S5) optionally outputs power to a front axle; the shaft IV (S4) and the shaft II (S2) are coaxially arranged, and are connected with each other through the ordinary creeper gear shifting part (2). With the adoption of the partial power shifting transmission device for the tractor, the gear number is increased while partial power shifting is realized, so that the transmission efficiency of the entire transmission device is improved, and the manufacture cost is reduced.

The invention discloses a tractor speed change device with 16+16 gears, which comprises a gear shifting unit, a primary auxiliary speed change unit, a main speed change unit and a secondary auxiliary speed change unit, wherein the gear shifting unit, the primary auxiliary speed change unit, the main speed change unit and the secondary auxiliary speed change unit are all arranged in a transmission box, the gear shifting unit is used for realizing advancing or backing of a tractor, the primary auxiliary speed change unit is used for realizing switching between the high gear to the low gear, the main speed change unit is used for realizing switching among four gears, and the secondary auxiliary speed change unit is used for switching between the high gear and the low gear, an output end of the gear shifting unit is connected with an input end of the primary auxiliary speed change unit, an output end of the primary auxiliary speed change unit is connected with an input end of the main speed change unit, an output end of the main speed change unit is connected with an input end of the secondary auxiliary speed change unit. The speed change device is capable of providing 16 advancing gears and 16 backing gears for the tractor and capable of meeting requirements of tractors for various special locality and special operations, and guarantees normal operation of the tractor.

The invention relates to a gear combined type variable-speed transmission device. The gear combined type variable-speed transmission device consists of an input shaft, an output shaft, an intermediate shaft, clutches (or synchronizers) and gears. More than 6 clutches or one clutch and more than 6 synchronizers and more than 9 gears are combined in serial-parallel connection modes, the gear number is remarkably increased, and the number of shifting gears is decreased. Due to the fact that each pair of gears has small speed ratio and adopts a short transmission shaft structure, the rigidity of a transmission is improved, the radial and axial sizes are reduced, and the transmission is compact in structure and high in mechanical efficiency. The invention further provides a reverse gear device used on a mechanical variable-speed transmission mechanism.

The invention discloses a multi-channel flow control valve. The multi-channel flow control valve comprises a valve body and a plurality of electromagnetic valves mounted on the valve body, wherein a main input channel and a main output channel which are parallel to each other are arranged in the valve body; one end of the main input channel penetrates through the valve body and is served as a fluid inlet, and the other end does not penetrate through the valve body; one end of the main output channel penetrates through the valve body and is served as a fluid outlet, and the other end does not penetrate through the valve body; the fluid inlet and the fluid outlet are respectively positioned at the two opposite ends of the valve body; a normal-open channel is arranged at the end, which does not penetrate through the valve body, of the main output channel and communicates with the main input channel; a plurality of by-pass flow holes communicating with the main input channel and the main output channel are formed in the axial directions of the main input channel and the main output channel respectively; the by-pass flow holes in the main input channel and the main output channel are distributed in a one-to-one correspondence manner; an electromagnetic valve is mounted corresponding to each pair of the by-pass flow holes; two flow holes corresponding to such pair of the by-pass flow holes respectively are formed in the electromagnetic valve; and the two flow holes in the electromagnetic valve communicate with each other.

The invention provides a gearbox. The gearbox comprises a gearbox body, wherein the gearbox body is internally provided with an input shaft, a driven shaft II, a driven shaft II and a driven shaft IV; the gearbox is characterized in that the input shaft, the driven shaft III and the driven shaft IV are positioned on the same horizontal plane; the driven shaft II is positioned on the other horizontal plane; the input shaft is provided with a first toggling gear, a second toggling gear and a first stationary gear; the driven shaft II is provided with a second stationary gear, a third stationary gear, a fourth stationary gear, a fifth stationary gear and a sixth stationary gear; the driven shaft III is provided with a third toggling gear, a fourth toggling gear, a fifth toggling gear, a sixth toggling gear, a seventh stationary gear, an eighth stationary gear, a ninth stationary gear and a tenth stationary gear; the driven shaft IV is provided with an output gear, a seventh toggling gear and an eighth toggling gear; and the first stationary gear and the second stationary gear are fixedly engaged. As two auxiliary gears are added on the basis of four main forward gears and two main backward gears, the number of gears is greatly increased, the requirement of mechanical operation is met, energy is saved, and the working efficiency is improved.

The invention discloses a built-in clutch which comprises a mounting shaft, gears and clutches. The gears are sleeved on the mounting shaft, a hollow shaft sleeve is arranged in the mounting shaft, a slot is formed in the shaft sleeve, cavities are arranged on the gears, the clutches are mounted among the cavities and the shaft sleeve, a lever capable of swinging is arranged in the slot, a hammer is arranged at an end of the lever, and the lever is adjacent to the clutches, so that the clutches can be compressed when the hammer of the lever swings towards the clutches, the gears can be jointed with the shaft sleeve, and power can be transmitted. The built-in clutch has the advantages that the built-in clutch and a gear shifting control mechanism of the built-in clutch are based on an existing parallel shaft type gear transmission, so that gears of the transmission can be closely arranged, the axial size of the transmission can be reduced, the volume of the transmission can be decreased, the transmission can be lightened, and the manufacturing cost can be lowered.

The invention relates to a double-clutch automatic transmission device which structurally comprises internal and external input shafts (10, 20) which are coaxially arranged, an auxiliary shaft (30) and a reverse gear shaft (40) which are parallel to the two input shafts, a double-clutch assembly (70), a differential assembly (50), multiple groups of normally engaged gear trains arranged on all the shafts as well as multiple groups of synchronizer devices (62, 64, 66 and 68) which are used for realizing selection of all gears. The double-clutch automatic transmission device can provide eight forward gears at most and a reverse gear, so that the transmission device has more excellent comfort performance and lower oil consumption. As two groups of optional reduction gear trains are adopted, each gear train can realize two different gears, so that one auxiliary shaft and assemblies thereof can be reduced, and the transmission cost is reduced. The double-clutch automatic transmission device has the characteristics of simple structure, large quantity of gears, low cost and the like.

A telescopic foot lock adjustment mechanism, comprising a positioning hole (11) opened on the telescopic foot (1) and a corresponding lock (21) installed on the fixed foot (2), characterized in that: the positioning hole (11) Two rows of positioning holes are parallel, and the two rows of positioning holes (11) are misaligned in the length direction of the telescopic foot (1); the lock (21) is composed of the support (211), the first pin (212), the first elastic element (213), the second pin (214), the second elastic element (215) and a pull ring (216); the first pin (212) and the second pin (214) alternately cooperate with the positioning hole (11) to form a locking State: pulling the pull ring (216) by an external force can make the heads of the first pin (212) and the second pin (214) withdraw from the positioning hole (11) to unlock. The invention has multiple adjustment gears, convenient operation and high locking reliability.

The invention provides a transmission of a road roller. The transmission comprises a reversing synchronizer arranged, a speed variable synchronizer, an input shaft, an output shaft, an intermediate shaft, a short cylindrical bearing, a tapered roller bearing, a needle roller bearing, a reverse idler gear, a reverse idler gear shaft, a reversing gear set, a speed variable gear set composed of paired gears with different transmission ratios, and an output flange, wherein the speed variable synchronizer, the input shaft, the output shaft, the intermediate shaft, the short cylindrical bearing, the tapered roller bearing, the needle roller bearing, the reverse idler gear, the reverse idler gear shaft, the reversing gear set, the speed variable gear set composed of the paired gears with the different transmission ratios, and the output flange are arranged in a shell. According to the transmission of the road roller, the manipulation of the change of the forward gear position and the reverse gear position is easy, operation is clear, and gear shifting is easy and convenient; the number of the gears of the transmission of the road roller is increased compared with a transmission of a traditional structure, three forward gears are provided, and three reverse gears are provided; gears can be increased and extended conveniently, the structure is more compact, the number of the parts is less than that of parts of the transmission of the traditional structure, and the cost is further lowered; interchangeability is good, the size and the installing method of the transmission of the road roller are completely the same as those of the transmission of the traditional structure, and upgrading and updating of the transmission with the low cost are facilitated.