36results about How to "Large load torque" patented technology

A seat belt retractor for winding a seat belt includes a spool for winding the seat belt, a motor connected to the spool for generating driving torque to rotate the spool, a driving torque transmission mechanism disposed between the motor and the spool and formed of a gear for transmitting the driving torque of the motor to the spool, and a torque limiter mechanism disposed in the driving torque transmission mechanism for preventing a load greater than a predetermined level from being. transmitted to the driving torque transmission mechanism.

The invention provides a side-hung driving motor assembly of an electric vehicle, and belongs to the technical field of electric vehicles. The problem that an existing electric vehicle with a side-hung driving motor is poor in balance is solved. The electric vehicle comprises wheels, the side-hung driving motor assembly comprises a bottom fork and a motor, the bottom fork comprises a left fork armand a right fork arm, the wheels are arranged between the left fork arm and the right fork arm, the side-hung driving motor assembly further comprises a speed reducing and changing mechanism, the left fork arm is bent towards the wheels, and a concave installation space is formed in the outer side of the left fork arm. The motor is located in the installation space and fixedly connected with theleft fork arm, an installation cavity is formed in the inner side of the rear end of the left fork arm, the speed reducing and changing mechanism is arranged in the installation cavity, the inner sidewall of the right fork arm is concavely arranged in the direction away from the wheel to form a receding space, and the motor is connected with the wheel through the speed reducing and changing mechanism. The electric vehicle with the side-hung driving motor has the advantage of being good in balance.

The invention discloses a gear fatigue testing machine considering gear misalignment and gear surface unbalanced loading. The gear fatigue testing machine is composed of a testing gear case (1), a torque clutch (3), an input shaft (4), a coupler (5), a motor (6), an accompanying gear case (10), and output shaft (8) and a loading clutch (9) through assembling; the gear fatigue testing machine controls misalignment and unbalanced loading of a gear pair in the gear case through a simple and easy mechanical apparatus so as to monitor a vibration signal of the gear case, is simple in structure, hasa wide range of application and can effectively complete experimental simulation of misalignment and unbalanced loading faults of different gear parameters.

The invention relates to a clutch disc for a friction clutch device and to the friction clutch device itself, and to a drive train. The clutch disc (30) comprises a hub (32) for torque-resistant connection to a shaft; a friction element (33) for frictionally applying a torque to the clutch disc (30); and a first hub flange (40) and a second hub flange (41), wherein at least the first hub flange (40) is connected in a torque-resistant manner to the hub (32). The clutch disc (30) has spring elements (50) which couple the two hub flanges mechanically to each other between same so that the hub flanges can rotate relative to each other. The clutch disc (30) is designed such that the two hub flanges (40, 41) can be offset laterally to each other. By means of the proposed clutch disc, it is possible to compensate a lateral and/or radial offset and/or a radial displacement while ensuring a long service life on account of reduced friction conditions on the damping springs of the clutch disc.

The invention discloses an easy-to-disassemble drill rod. The easy-to-disassemble drill rod comprises a rod body, a connecting head, a connecting tail and a connecting nut, wherein the connecting headand the connecting tail are connected to the two ends of the rod body, the connecting head is provided with an axial rectangular pyramid table, the connecting tail is provided with a rectangular pyramid hollow, and a synchronous pulley is arranged on the outer circle surface of the connecting nut. Through coaxial matching of the rectangular pyramid table and the rectangular pyramid hollow, the drill rod can be rapidly assembled and disassembled, and the advantages of being large in bearing torque, long in service life, easy to disassemble, low in cost and the like are achieved. Drilling rod automatic assembling and disassembling equipment applied to the easy-to-disassemble drill rod is arranged on one side of a drilling machine, and comprises a connecting nut assembling and disassemblingmechanism, a drill rod assembling and disassembling mechanism and a control system. The connecting nut assembling and disassembling mechanism can quickly assemble and disassemble the connecting nut, so that manual operation is replaced by mechanical action; the drill rod assembling and disassembling mechanism is high in automation degree, automatic assembling and disassembling of the drill rod arerealized, the labor intensity of operators is greatly reduced, and the working efficiency is improved; and a drill rod circulation box of the drilling rod automatic assembling and disassembling equipment is large in capacity, and the problems of placing, carrying and transporting of the drill rod are solved at the same time.

The invention discloses a hypoid reducer with parallel shaft gear transmission. A motor flange is assembled on a motor and assembled with an upper case cover, the upper case cover and a lower case cover are connected to form a first cavity, the first cavity is provided with an input gear, an intermediate gear and an output gear which are engaged, the input gear is assembled on a motor shaft, the input gear is driven to rotate through the motor shaft, the upper case cover is connected with a case body, the case body is assembled with a bearing cover to form a second cavity, and a pair of engaged hypoid gears are contained in the second cavity to transmit power. The hypoid reducer with the parallel shaft gear transmission, a large transmission ratio in a very small space can be realized, theaccuracy is high, and the noise is low; and a shortcoming of a traditional reversing reducer in accuracy is overcame, even if in the case of high dynamic operation, the highest positioning accuracy of a transmission device and the maximum accuracy of a machinery and equipment can be ensured, at the same time, the noise of a reducer is reduced, and the transmission is more stable.

The invention discloses a wave gear type hollow rotating platform. The wave gear type hollow rotating platform comprises a shell, an output rotating table and a wave gear set; a first installation cavity is formed in the upper end face of the shell in a penetrating mode, and a second installation cavity communicates with the first installation cavity is formed in the side face of the shell; the output rotating table is of a hollow structure and is rotatably mounted in the first installation cavity; the wave gear set comprises a driven gear and a driving gear. The arc-shaped driven gear and the conical driving gear are adopted in a matched mode to form a wave gear set, transmission of 4-5 conical tooth surfaces meshed with the driven gear can be achieved at the same time, the characteristics of high precision and large bearing torque are achieved due to the fact that the number of the tooth surfaces of the gears meshed at the same time is large, and a hollow device is achieved due to the fact that the diameter of the driven gear is large and a large through hole can be formed in the middle of the driven gear, and due to the fact that the transmission mode is offset 40-degree meshing transmission, a certain self-locking function can be achieved.

The invention discloses a reduction gear with group drive of an involute gear and a cycloid gear. A double reduction mechanism with group drive of the planetary involute gear and the cycloid gear is arranged in a closed cavity; a planetary involute gear drive reduction mechanism is formed in the mode that a motor rotates to drive a sun gear to rotate and then drive an annular gear and a planetary gear to rotate; a cycloid gear group drive reduction mechanism comprises an eccentric shaft, a cycloid gear ring and a cycloid gear, the gear tooth difference of the cycloid gear ring and the cycloid gear is one gear tooth, an internal gear tooth and an external gear tooth are meshed to form an internal gearing reduction mechanism, wherein the gear tooth difference is one gear tooth.

The invention relates to the technical field of transmissions, and particularly discloses a stepless speed change servo planetary gear transmission capable of being broken and twisted. The stepless speed change servo planetary gear transmission comprises a cross planetary input shaft, a transmission unit, a CVT (continuously variable transmission) main belt wheel, a CVT auxiliary belt wheel, an auxiliary belt wheel connecting shaft, an auxiliary belt wheel connecting shaft small gear and an output shaft connecting large gear, wherein the transmission unit is in transmission connection with the cross planetary input shaft, and the CVT main belt wheel is in transmission connection with the transmission unit, the CVT auxiliary belt wheel is in transmission connection with the CVT main belt wheel, the auxiliary belt wheel connecting shaft, the auxiliary belt wheel connecting shaft small gear and the output shaft connecting large gear are in transmission connection, and the output shaft connecting large gear is in transmission connection with the cross planetary input shaft. Compared with an AT transmission, a DCT transmission and a CVT transmission, the transmission is large in bearing torque, fast in speed change, smooth in process, long in service life, simple in structure and low in manufacturing cost; and meanwhile, the barriers of manufacturing technologies of various types of transmissions are avoided, and the effects of energy conservation and emission reduction are achieved.

The invention discloses an anti-backlash type steering transmission shaft steel ball retainer. Six rows of parallel ball bowls used for fixing steel balls are arranged on the steel ball retainer, thebearing torque is large, and three rows of C-shaped openings are formed in the circumference of the steel ball retainer by 120 degrees; bulges of the C-shaped openings are in arc shapes, and the middles of the C-shaped openings are of hollow structures; each C-shaped opening comprises two eccentric cylinders and a cylinder, an elastically-deformable arc surface is formed, the cylinder is in interference fit with ball grooves of a transmission shaft and a transmission shaft sleeve, and the arc surface is in close fit with the transmission shaft sleeve to eliminate a radial gap during working; and the bulges of the C-shaped openings are in the arc shapes and are in interference fit with the ball grooves of the transmission shaft and the transmission shaft sleeve. According to the anti-backlash type steering transmission shaft steel ball retainer, after the steel balls, the shaft and the shaft sleeve are abraded to generate gaps, the radial gaps are eliminated through C-shaped stressing,abnormal sounds are avoided, the six rows of steel balls transmit the torque, the bearing torque is larger and more reliable, and the retainer is excellent in abrasion resistance, high in volume stability and long in service life and is applied to the technical field of automobiles.

The invention discloses a coupler, and belongs to the field of mechanical components. The coupler comprises an upper coupler body and a lower coupler body which are connected through a flange. Inner gear teeth of the upper coupler body are engaged with an upper coupler sleeve, and inner gear teeth of the lower coupler body are engaged with the lower coupler sleeve. The end face of the upper coupler body seals the upper coupler sleeve through a sealing ring, and the end face of the lower coupler body seals the lower coupler sleeve through a sealing ring. The problem about large torque transmission in the coupler using process is mainly solved, torque transmission between a shaft and the coupler can be achieved through gear transmission in the coupler, and the coupler is large in bearing torque, simple in structure, convenient and fast to use and wide in application range.

The invention belongs to the technical field of drive equipment, and relates to a clutch. The clutch comprises an inner ring and an outer ring, wherein the inner ring is arranged in the outer ring; anannular cavity is formed between the inner ring and the outer ring; a wedge block mechanism is arranged in the annular cavity; the wedge block mechanism comprises a wedge block support seat and wedgeblock assemblies; a plurality of installation grooves are uniformly distributed in the wedge block support seat; the wedge block assemblies are arranged in the plurality of installation grooves whichare uniformly distributed at intervals separately; an elastic pressure ring is arranged at the outer side of each wedge block assembly; and the wedge block assemblies are tightly clamped onto the inner ring under the action of the elastic pressure rings. According to the clutch, through the design of an inclined arc surface at one end making contact with the inner ring, of each wedge block assembly, and the design of the elastic pressure ring at one end away from the corresponding inclined arc surface, of each wedge block assembly, the problems of torque decline, clamping stagnation and the like caused due to the eccentricity of an existing clutch on an inner ring and an outer ring, are solved; and the clutch has the advantages of being simple in manufacturing process, reliable in working, large in bearing torque, high in eccentric adaptability, long in service life and the like.

The invention discloses a single-stage planetary gear speed reducer which comprises a shell, a gear coupler, a sun gear, a planetary gear, an internal gear, a pin roll and an output shaft. The gear coupler is fixedly connected with the sun gear, the sun gear is meshed with the planetary gear, the planetary gear is connected with the output shaft through the pin roll, and the internal gear is meshed with the planetary gear. The single-stage planetary gear speed reducer is different from a traditional speed reducer, is a planetary speed reducer, and has the advantages of being large in load torque, high in speed ratio, large in starting-allowed impact load, small in size and the like.

The invention relates to an adjustable support arm for mounting solar channel type reflector glass. The adjustable support arm integrally adopts an ivory planer structure, and the wide end of the planer structure is arc-shaped. A first fixing hole is formed in the upper end at the wide end of the adjustable support arm, the first fixing hole is a round hole and used for fixedly connecting with a corresponding fixing part on a rotating pipe, and a first rotating mounting hole and a second rotating mounting hole are respectively formed in the middle and the lower end of the wide end. Both the first rotating mounting hole and the second rotating mounting hole are arc holes, and the positions of both the two arc holes are on an arc with the first fixing hole as a center. A plurality of fixing holes for fixing the solar channel type reflector glass are formed in the top of the support arm.

The invention discloses a chain for improving transmission performance. The chain comprises transmission chain pieces, chain pin shafts and supporting pin shafts, wherein chain pin shaft holes and a supporting pin shaft hole are formed in each transmission chain piece; chain pin shaft holes are symmetrically arranged at two ends of one side of the corresponding transmission chain piece; the supporting pin shaft hole is located on the other side of the corresponding transmission chain piece; the chain pin shafts penetrate through the chain pin shaft holes and the supporting pin shafts penetrate through the supporting pin shaft holes, so that the transmission chain pieces form a transmission chain array. According to the chain for improving transmission performance, the structural design is reasonable, the process can be simplified, meanwhile, the bending strength of the chain joints is increased, so that the chain bears larger torque, and therefore the purpose of improving the transmission performance of the chain is achieved.