51results about How to "Improve transfer power" patented technology

The invention relates to a tooth chain type stepless transmission for an automobile. A tooth chain is arranged around a plurality of planetary gears which can unidirectionally rotate; all the planetary gears can move in a corresponding radial chute on a drive wheel; and stepless transmission is realized by changing the revolution diameter of the planetary gears. An unlocking key is arranged in a one-way clutch of each planetary gear; and when the tooth chain and the planetary gears are meshed and separated, the unlocking key can be driven so that the clutch is maintained in a one-way locking state or unlocking state. The invention breaks through the traditional theory that the stepless transmission is only friction power transmission, solves the problem of carrying out stepless transmission by utilizing a gear, can effectively improve the transfer power of the stepless transmission and has the advantages of large force transmission, high rotating speed, stable running, reliable work, and the like.

The invention discloses a laminated type high-power magneto-rheological fluid clutch. The laminated type high-power magneto-rheological fluid clutch comprises a primary transmission shaft (4), a left rotary magnetic conductance side board (6), a magnet exciting coil (8), a fixing magnetic conductance outer shell (9), a right rotary magnetic conductance side board (14), a secondary transmission shaft (17), a magnetic conductance board (18), a plurality of layer-adjustable inner layer primary friction plate groups (3), outer layer primary friction plate groups (7), outer layer secondary friction plate groups (12) and inner layer secondary friction plate groups (15), inner layer small magnetic isolation ring groups (2), outer layer small magnetic isolation ring groups (5), an inner layer large magnetic isolation ring (13) and an outer layer large magnetic isolation ring (20). Compared with the prior art, the laminated type high-power magneto-rheological fluid clutch adopts a plurality of friction plate groups for transmission, effectively disperses a heat source, reduces the heat dissipation difficulty, utilizes cooling water for cooling, and obviously improves the transmission power and the heat dissipation effect. When the transmitted power is insufficient, a mode of increasing the layers of the friction plate groups can be adopted, and controllable operation of the transmitted power is easy to achieve.

An electromagnetic induction plug and socket comprise a plug (1) and a socket (2). The plug comprises a plug housing (3), the plug housing is provided with a central shaft magnetic core (4), and a plug coil (L1) is wound around the central shaft magnetic core. The socket comprises a socket housing, an annular coil (L4) and an annular magnetic core coordinating with the annular coil are provided in the socket housing, and after the plug is inserted in the socket, the annular coil is sleeved on the plug coil. Mutual induction of primary and secondary coils formed by the plug coil and the socket coil occurs on a same magnetic axis, which is irrelevant to the magnetic flux, magnetic permeability, and the like of an iron core, and the effect of a magnetic loop, formed by the iron core, on the primary coil only decides the amount of induction of the primary coil, as long as the driving frequency or pulse width time of the magnetic loop matches with that of the primary coil; therefore, the iron core magnetic loop in the plug and socket does not affect the transmission power and efficiency due to the existence of iron core gaps. The electromagnetic induction plug and socket have advantages of strong electromagnetic coupling induction capability and high transmission efficiency.

The invention discloses a hexapod robot. The robot comprises a head part, a body, a driving device, a transmission system and six mechanical legs. The hexapod robot is characterized in that the six mechanical legs are reversely and symmetrically mounted on both sides of the long edge of the body, and adopt the completely same structures; the driving device and the transmission system are arrayed at the inner part of the body; the driving device performs driving through a servo motor, and the transmission system performs transmission through sprocket chains; three output rods are also arranged at the inner part of the body, and the two mechanical legs are reversely and symmetrically mounted on both sides of each output rod; the six mechanical legs are divided into three groups, and the three groups of output rods are connected in a transmission manner by adopting the sprocket chains; the servo motor of the driving device designed at the inner part of the body simultaneously drives the six mechanical legs to move.

The invention provides a pipeline dredging device for a concrete pump truck, comprising: a device body, a power mechanism, a drilling rig, chains and electric wires; the power structure is arranged inside the device body, and the drilling rig is arranged in the Outside the device body, the power mechanism provides power support for the drilling machine. The technical problem to be solved by the present invention is to provide a pipeline dredging device for concrete pump trucks that can truly and effectively clear pipeline blockages and further improve work efficiency.

The invention discloses a stepless speed change device of continuously variable transmission (CVT), both the driving pulley and the driven pulley of which are formed by inserting movable cone plate and fixed cone plate alternately. Alternately arranged fan-shaped groove (6) and fan-shaped spoke (5) are arranged on each cone plate surface, both cone plates of one pulley can do to-and-fro sliding movement by inserting its fan-shaped spoke (5) into the other fan-shaped groove (6), and driving radius of pulley is altered by changing insertion level. The two alternately inserted cone plates can form a pulley the V-shaped ring groove of which is larger than 45 DEG, the transmission of power is realized by tense friction force for the two pulleys and transmission belts comprised of multilayer steel endless belts, and the transmission belts can bear stretching force that can produce huge friction force, therefore, the transmission powder is great; and if external goop chain and internal laxation layer are applied, the effect will be much better. Meanwhile, the main force applied to the transmission belt by the pulley is outward radial force, and movements are smooth when the driving radius is enlarged. In addition, the friction of idle work does not exist when the transmission belts pass in and out of the pulley, therefore, the service life of the stepless speed change device is long.

The invention discloses an intelligent automatic branch pruning device, which is composed of a climbing mechanism, a pruning mechanism and a pressing mechanism, and is characterized in that a pruning mechanism is installed on the climbing mechanism, and a pressing mechanism is installed on the climbing mechanism . The advantage is that the intelligent automatic branch pruning device can replace manual branch pruning, which improves the efficiency of branch pruning and reduces the labor intensity of garden workers. Moreover, the device can realize the pruning of tree branches of different thicknesses. Different, the intelligent automatic branch pruning device can automatically adjust the internal spacing to meet the pruning work for trees of different thicknesses, avoiding the difficulty that the same branch pruning device cannot complete the job due to different tree thicknesses, improving the versatility of the branch pruning device, reducing pruning costs.

This invention relates to a chain stepless gear, in which, the input shaft and the output shaft are mounted parallel to a tensional chain screw mandrel, two opposite chain wheel faces form a wedge notch to clamp the chain as a drive chain characterizing that a speed lever is a single lever and long and short scissor-like lever plates, in which, the pivots of which are a same one mounted on the tensional chain screw mandrel and the speed screw mandrel, the active points of the lever plates are installed on two pressure rings, one is sleeved on the chain wheel handle, the other is covered on the pressure cam sleeved on the shaft, two V-shape notches are opened between the cam end face and the end face of the chain wheel handle filled with steel balls, the single lever takes the tensional screw mandrel as the pivot connected with the chain wheels mounted on the shafts, the right and left ends of the speed screw mandrel are screw rods connecting the single lever and the speed screw mandrel.

A double differential planetary stepless automatic speed change device for vehicle in which the main speed reducer is composed of a differential planetary gear train, and the differential speed feedback system is composed of another differential planetary gear train, both of the two parts connect to the one-way deceleration system. According to the invention, when the rotating speed difference between the input shaft and output shaft of the main speed reducer varies continuously, the rotating speed of the planet carrier of the differential speed feedback system varies continuously to control the rotating speed of the ring gear of the main speed reducer to vary continuously, so as to realize the full stepless variation of the transmission ratio of the main speed reducers. Then invention employs gear transmission which can greatly improve the reliability and the transmission efficiency of the stepless automatic speed change device.

The invention discloses a shunting type high-speed tester, and belongs to the technical field of power equipment. The shunting type high-speed tester comprises a motor and a speed increaser, the speedincreaser comprises an input shaft, a first sun gear, a second sun gear, an output shaft and a plurality of planetary gear sets, and a planetary gear mechanism is adopted as a main part of the speedincreaser, so that the stability of power transmission is improved, power shunt and power confluence are realized, two-stage transmission is achieved accordingly, and the transmission ratio is increased; and meshing is achieved between the sun gears and planet gears through herringbone gear teeth, so that the transmission power of the planet gear mechanism is improved, and finally the output powerof the output shaft is improved. The combination of the planet gear mechanism and the herringbone gear teeth meets the requirement of the high-speed tester for high-speed and high-power output on thewhole.

A device for transmitting torque comprises a hydrodynamic torque converter having a turbine and a pump, as well as a friction clutch which is connected in parallel to the torque converter, having a first and a second friction partner. In this context, the first friction partner is produced integrated with the pump and the second friction partner integrated with the turbine. A ring-shaped friction section, on which the friction elements can be axially engaged with one another, and a ring-shaped flow section, on which vanes of the pump and of the turbine are axially facing one another, are dimensionally adapted to one another in order to realize a balanced transmission behavior.

The invention discloses a chained oscillating tooth stepless speed change device. The chained oscillating tooth stepless speed change device comprises a metal chain, a driving shaft and a driven shaft; a fixed conical disk and a corresponding movable conical disk are arranged on the driving shaft and the driven shaft respectively; three groups of equant dovetail grooves which are perpendicular to a rotation direction are formed on the conical disks respectively; the dovetail grooves on the fixed conical disk correspond to those of the movable conical disk; dovetail blocks on oscillating tooth seats are embedded into the corresponding dovetail grooves on the conical disks; the wedge grove surfaces of each of oscillating tooth bodies and each of the oscillating tooth seats are rubbed and combined through an elastomer and by using an ejector rod and a compression plate so as to finish constant-speed transmission; and when the fixed conical disk and the movable conical disk approach and separate, three groups of equant oscillating tooth seats radially move at equal radii, the working radii of the oscillating tooth seats are changed, simultaneously the elastomer is compressed by a speed regulation plate to separate the oscillating tooth bodies and the oscillating tooth seats, and the oscillating tooth bodies freely move to be meshed with a chain randomly, so that the aim of changing the speed is fulfilled, friction transmission is guaranteed when speed is changed, gear transmission is guaranteed when speed is constant, and transmission power, torque and mechanical efficiency are greatly improved.

Disclosed is a pulley train structure of a single generator at the front end of an engine. The pulley train structure comprises a generator belt pulley, a water pump additional belt pulley, a tensioning pulley and an idle pulley, wherein the water pump additional belt pulley is arranged obliquely below the generator belt pulley, the tensioning pulley is arranged on the inner side of the space between the generator belt pulley and the water pump additional belt pulley, and the idle pulley is arranged on the outer side of the space between the generator belt pulley and the water pump additional belt pulley. A poly V-belt passes through the generator belt pulley, the tensioning pulley, the water pump additional belt pulley and the idle pulley in sequence, and the tensioning pulley tightly presses the poly V-belt in the counter-clockwise direction. According to the pulley train structure, due to the fact that a pulley train is connected through the poly V-belt, the size of the generator belt pulley can be reduced, the transmitted power is improved, and the arrangement requirements of high-power generators are met; and the tensioning pulley and the idle pulley are used for flexibly adjusting the tension of the belt, so that the requirements of the high-power generators are met.

The invention discloses a double-planet-gear-set amphibious speed reducer. The double-planet-gear-set amphibious speed reducer comprises a power input shaft, a first sun wheel, a plurality of first planet wheels, a first gear ring, a first planet carrier, a clutch, a meshing sleeve, a land route output end and a water route output end, wherein the first sun wheel is coaxially and fixedly connectedwith the power input shaft, the first planet wheels are circumferentially arranged on the outer side of the first sun wheel, and the first planet wheels are in meshed transmission with the first sunwheel; the first gear ring is arranged concentric with the first sun wheel, and the first gear ring is in meshed transmission with the first planet wheels; the first planet carrier is rotationally connected with a wheel shaft of each first planet wheel in the circumferential direction, and a rotating column vertically extends from the center of the side, away from the power input shaft, of the first planet carrier; the clutch is coaxially and fixedly connected with the rotating column, and meshing teeth are arranged on the outer side of the clutch in the circumferential direction; the meshingsleeve is meshed with the clutch, synchronously rotates along with the clutch, and can move along the axis of the clutch. The invention further provides an amphibious vehicle which adopts the double-planet-gear-set amphibious speed reducer. The invention further provides a control method of the amphibious vehicle.

The invention relates to a tobacco cutter with a knife grinder and an application method of the tobacco cutter, and relates to the field of tobacco cutting. The tobacco cutter specifically comprises arack, a longitudinal cutting knife set used for longitudinally cutting cut tobacco, a first transmission device used for driving the longitudinal cutting knife set to achieve longitudinal cutting, atransverse cutting knife set used for transversely cutting the cut tobacco, a second transmission device used for driving the transverse cutting knife set to achieve transverse cutting, a material receiving box used for loading the cut tobacco being cut and the knife grinder used for grinding the longitudinal cutting knife set. Tobacco sheets are cut in a combined manner through the longitudinal cutting knife set and the transverse cutting knife set, the tobacco sheets can be cut more sufficiently and evenly, the longitudinal cutting knife set can be directly ground through the knife grinder capable of being dismounted on the rack, the operation that a knife roller is dismounted from the tobacco cutter and then taken into a knife grinding mechanism to grind blades is not needed any more, and time and manpower are saved.

The invention discloses an ultralow-speed-ratio, high-rigidity high-precision cycloidal-pin wheel planetary transmission speed reducer, and belongs to the field of mechanical transmission devices. Three spline gear assemblies are evenly arranged on the input planet carrier in the circumferential direction, the gear end of the spline gear shaft is arranged in the input planet carrier, and the planet gear is installed at the shaft end of the spline gear shaft, located outside the input planet carrier and used for being in meshing transmission with an external input gear to form first-stage transmission; a crankshaft gear assembly comprises a crankshaft, a center gear and a cycloidal gear, wherein the center gear and the cycloidal gear are sequentially installed on the crankshaft; the central gear is in meshing transmission with the gear end of the spline gear shaft to form second-stage transmission; and the crankshaft drives the cycloidal gear to be meshed with the roller pin in the pin wheel housing to form third-stage transmission, and the cycloidal gear drives the planet carrier to achieve power output. The first-stage transmission and the second-stage transmission adopt the structure that the same planet gears are uniformly distributed in the circumferential direction of the central gear, so that the whole machine is extremely compact in arrangement and high in transmission power, and the three-stage transmission has an ultra-low speed ratio.

The invention discloses a main drive gearbox of a twin-screw extrusion machine. The extrusion machine comprises the gearbox and a motor which are electrically connected; the gearbox adopts the transmission mode of primary shunting and secondary interflowing of a herringbone tooth gear pair; and the gearbox comprises a first output shaft, a second output shaft, a series bearing, an input shaft, a pull rod, a second shaft system, a third shaft system, a fourth shaft system, a fifth shaft system, a sixth shaft system, a first expanding sleeve adjusting mechanism and a second expanding sleeve adjusting mechanism. On the condition of given small central moment, when a certain rotation speed is input, two same rotation speed and torque with high rotation precision are output at the same time inthe same direction, and the transmission efficiency is twice that of a gearbox of the same specification.

The invention relates to a divided flow type master transmission reduction gear box of a hot rolling mill. The box bodies of the reduction gear box comprise an upper box body, a middle box body and a lower box body; the output shafts of the reduction gear box comprise a long output gear shaft and a short output gear shaft; two independent drive systems with the same structures and parameters are symmetrically located on the two sides of the long output gear shaft; the short output gear shaft is supported between the upper box body and the middle box body through a bearing; the long output gear shaft and shafts in the independent drive system are supported between the middle box body and the lower box body through the bearing; the independent drive system comprises an input gear shaft and a middle gear shaft; a high and low speed gearshift mechanism is arranged on the middle gear shaft; a high and low speed shift gear in the high and low speed gearshift mechanism is engaged with a high and low speed gear in the input gear shaft; an output gear is mounted on the long output gear shaft through a key; a gear on the middle gear shaft is engaged with the output gear on the long output gear shaft; the gears on the long output gear shaft and the short output gear shaft are mutually engaged; and the high and low speed gearshift mechanism is arranged on the middle gear shaft and is synchronously adjusted through a synchronous gearshift device.