24results about How to "Reduce axial size" patented technology

The utility model discloses an integrated joint module and robot relates to motor technical field, and the integrated joint module includes: casing, motor, planetary gear reduction box, encoder and drive control board, the casing is the tubular structure, the motor is used to provide power, and the motor includes stator, rotor and rotation axis, and the stator is hoisted in the top inside casing, and the rotor rotatably sets up inside casing, and is located stator outside, and rotation axis is connected with the rotor, and its outer periphery is provided with the tooth, the planetary gear reduction box sets up in stator inside, and including fixedly installed inside stator's inner tooth ring, the planetary wheel that engages in the inner tooth ring with rotation axis between and the planetary wheel connection's planet carrier, the encoder includes the first encoder for monitoring rotation axis and the second encoder for monitoring planet carrier, and drive control board is located in casing, and is connected with motor. Such setting, can reduce the size of joint structure, realizes double magnetic encoder output configuration simultaneously, improves its output accuracy.

This utility model's electric mining truck gearbox features a three-speed design that allows selection of the most suitable gear based on different working conditions, optimizing power output to meet the power requirements of mining trucks, increasing the coverage of the motor's high-efficiency zone, improving the overall efficiency of the gearbox, and effectively reducing energy consumption. Based on the powerful performance provided by the multi-motor configuration, it enhances the flexibility and efficiency of the drive system. The front intermediate shaft assembly is coaxially connected to the output end of the power coupling assembly, and the rear intermediate shaft extends into the front intermediate shaft assembly and is coaxially aligned with the output end of the power coupling assembly, forming a compact parallel shaft structure. This fully utilizes the radial space of the gearbox and reduces its axial dimensions, thereby reducing the gearbox's volume and facilitating overall vehicle layout. Furthermore, the front and rear intermediate shaft assemblies share the radial and axial loads during transmission, reducing gear stress and improving the transmission stability and reliability under harsh working conditions, thus enhancing the gearbox's adaptability to various operating conditions.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body and a connecting sleeve. The tool body has a second end and a first end arranged opposite to each other in a front-rear direction. The first end is adapted to be connected and fitted with a spindle, and the second end has a mounting cavity for accommodating a transducer. A wireless receiving unit is provided on the outer periphery of the tool body. The connecting sleeve is connected to the second end and arranged coaxially with the tool body. An outer shell is fitted onto the outer periphery of the connecting sleeve through a bearing, wherein the inner diameter of the bearing is less than or equal to the outer diameter of the second end. Therefore, by placing the bearing between the connecting sleeve and the outer shell, the bearing does not occupy the outer periphery space of the tool body, which reduces the axial dimension of the tool body, thereby improving the rigidity of the tool body and reducing the overall axial dimension of the ultrasonic tool holder. It also increases the structural dimensions of the transducer and reduces the radial dimension of the bearing, thereby improving ultrasonic machining performance.

The utility model relates to wind power generation technical field discloses wind power generation device, including support subassembly, wind wheel subassembly and power generation subassembly, wind wheel subassembly includes main shaft and impeller, and the main shaft fixed mounting is in support subassembly, and the impeller rotatablely installs on the main shaft, power generation subassembly includes first power generation unit and second power generation unit, and the stator of first power generation unit and second power generation unit all fixed mounting is in main shaft, and the outer rotor of first power generation unit and second power generation unit all are connected with the impeller fixedly, the utility model under the same wind force condition, first power generation unit and second power generation unit can work simultaneously, and the mechanical energy of impeller capture is more efficient, more fully converts into electric energy, effectively increases the overall power generation, improves the wind energy utilization efficiency and power generation efficiency, solves when the outside wind speed is at the low level, and the overall power generation of generator is insufficient.

This utility model belongs to the field of vehicle technology, specifically relating to a drive structure, an electric drive system, and a vehicle. The drive structure includes: an integrated motor comprising a stator, an outer rotor, and an inner rotor, the stator being located between the outer rotor and the inner rotor, the stator having an outer coil and an inner coil, the outer coil being located inside the outer rotor and the inner coil being located outside the inner rotor; and a transmission assembly connected to the outer rotor and the inner rotor, and respectively connected to the wheels on both sides of the vehicle body.

The double-motor coaxial electric drive axle comprises two motors, two groups of planetary gears, a differential and half shafts assembled at left and right ends of the differential, the motors, the planetary gears, the differential and the half shafts are coaxially arranged, characterized in that the two groups of planetary gears are symmetrically arranged at left and right sides of the differential, left and right ends of a differential case of the differential are respectively connected with output ends of the planetary gears through clutches, the output end of one group of planetary gears is assembled with a differential lock assembly capable of locking the differential function of the differential, and the input end of each group of planetary gears is connected with a shaft end of one motor. The double-motor coaxial electric drive axle can reduce the axial size of the electric drive axle, reduce the unsprung mass, be compatible with more application vehicle models, balance the load dynamic distribution of the double motors, reduce the average energy consumption, improve the endurance mileage, improve the passing performance and improve the adaptability of the vehicle to complex road conditions.

The application discloses a motion control system of a robot flexible joint module based on double encoders, and the flexible joint module comprises a drive controller, a motor, a first encoder and a second encoder. The drive controller comprises a communication module, a control module and an intelligent drive module which are sequentially connected. The intelligent drive module is electrically connected with the motor. The first encoder and the second encoder are both connected with the control module through the communication module. The intelligent drive module detects three-phase current and bus voltage of the motor and sends them to the control module. Meanwhile, the intelligent drive module receives and amplifies the control signal output by the control module to drive the motor to move. The control module runs a flexible joint motion control algorithm according to the position information of the motor end and the load end, the three-phase current of the motor and the bus voltage, and outputs the control signal to the intelligent drive module. The application has the advantages of small structure size, easy use and high positioning accuracy of the joint.

The utility model discloses a kind of connection structure of automobile power steering controller, the end of the shell of motor is equipped with convex part, the side of convex part is located on shell and forms gluing area, first connecting end is equipped on motor and protrudes convex part, PCBA board is set on convex part, and it is equipped with through-hole for first connecting end to pass through, and second connecting end connected with first connecting end, end shell is set on shell, and after end and shell abut, the side wall between convex part is formed and is contained cavity, sealing glue layer is bonded in contained cavity.The utility model is formed with convex part on the shell of motor, and the gap between the side wall of convex part and the inner wall of end shell forms contained cavity for filling sealing glue, without setting sealing glue groove on the shell of motor to simplify the structure of motor, and increase the area of PCBA board, can reduce product overall axial dimension, realize light weight.

The application discloses a novel lifting massage head structure, a massage machine core and a walking massager, which comprise a first transmission rod, a second transmission rod, a massage head, at least one adjusting piece, a stop structure and a limiting piece. The second transmission rod is sleeved on the periphery of the first transmission rod, is in circumferential linkage with the first transmission rod and is in axial sliding fit. The massage head is fixed to one end of the second transmission rod. The adjusting piece and the second transmission rod structure are in multi-stage mutual thread nesting. The multi-stage adjusting realizes the superposition of the lifting stroke of the massage head. In the same lifting height requirement, the axial size when a single screw rod is used can be effectively shortened. The multi-stage adjusting pieces can be mutually stored and nested in the non-working state, the overall volume and the occupied space of the equipment are greatly reduced, the use is facilitated, and the material cost and the machining cost are reduced.

This invention provides a planetary gear system and a vehicle, relating to the field of vehicle technology. The planetary gear system includes a drive unit, a first planetary gear set, a second planetary gear set, a first driveshaft, and a second driveshaft. In the first planetary gear set, one of the first sun gear, the second sun gear, and the first planet carrier constitutes a first input terminal, and the other two constitute first output terminals. In the second planetary gear set, one of the third sun gear, the fourth sun gear, and the second planet carrier constitutes a second input terminal, and the other two constitute second output terminals. The first input terminal is driven by the drive unit, the two first output terminals are driven by the first driveshaft and the second input terminal, respectively, and one of the two second output terminals is driven by the second driveshaft, while the other is connected to a stationary component of the planetary gear system. Thus, by using two tandem WW planetary gear sets to achieve an integrated differential reduction design, the power system structure becomes more compact and occupies less space.

A gearbox output assembly, relating to the field of gearbox technology, includes a housing, an output shaft, a planetary carrier, a radial support bearing, and two axial support bearings. The planetary carrier is sleeved around the output shaft, and the planetary carrier and output shaft are fixedly connected. The planetary carrier and output shaft are rotatably fitted to the housing via the radial support bearing and the two axial support bearings. The two axial support bearings are spaced apart along the axial direction of the output shaft. The radial support bearings are supported between the housing and the planetary carrier or between the housing and the output shaft, and their rotation axes are parallel to the axis of the output shaft. The two axial support bearings are respectively supported between the housing and the planetary carrier and between the housing and the output shaft, with each axial support bearing having an angle with the axis of the output shaft. At least one bearing overlaps with the planetary carrier along the axial direction of the output shaft. This design reduces axial dimensions, overall size and weight, and manufacturing costs.

The embodiment of the invention provides a shafting locking structure, a turbine pump, an engine and a rocket. The shafting locking structure comprises a main shaft, a plurality of shafting rotating components connected to the main shaft, a locking nut arranged between every two adjacent shafting rotating components and a limiting structure for limiting the circumferential position of the locking nut. According to the technical scheme, the locking mode is compact in structure and high in reliability, the requirement for repeated use is met, and the locking device is suitable for being applied to the rocket turbine pump.

This invention discloses an assembly method for a single cantilever robot joint module, relating to the field of robot joint module technology. This assembly method is applicable to RV reducers and includes: pre-processing the joint housing and applying adhesive to the inner wall surface of the joint housing; unidirectionally pressing the pin tooth shell of the RV reducer into the joint housing along its axial direction, and bonding the outer wall surface of the pin tooth shell to the inner wall surface of the joint housing; sequentially installing the internal components of the RV reducer along the axial direction of the joint housing to form a single cantilever output shaft system; sequentially installing the motor unit and circuit unit along the axial direction of the joint housing; and curing the assembled joint module. The assembly method provided by this invention employs a unidirectional axial stacking assembly process, with all components being installed from a single direction, significantly improving assembly efficiency. Furthermore, the use of adhesive bonding enables lightweight design.

The utility model relates to a kind of double-motor driving device for golf bag car.The double-motor driving device for golf bag car includes drive motor, reduction assembly and shell, the shell includes the main part fixed with drive motor and the extension part located at the both sides of main part, the reduction assembly includes worm gear structure and worm structure in main part, the worm structure is located at drive motor output end, the both ends of worm gear structure are provided with first shaft part and second shaft part respectively, the first shaft part and second shaft part are rotatably fixed with shell by first bearing, the extension part in both sides is rotatably fixed with a linkage shaft by two second bearings respectively, the end of first shaft part extends into extension part and is linked with the inner end of output end by coupling, one second bearing is located at the outer end of extension part, and the other second bearing is adjacent to the coupling.The utility model has the advantages of lower production requirements, easy assembly and higher stability during use.

The utility model relates to a kind of corner limiting mechanism, steering system and vehicle, corner limiting mechanism includes: shell, output shaft and limiting component.The shell is equipped with mounting cavity, fixed part is equipped in mounting cavity, output shaft is worn in mounting cavity, output shaft has left limit position and right limit position, limiting component is equipped in mounting cavity, limiting component includes driven part and rotating component, driven part is fixedly connected with output shaft, driven part is equipped with linkage portion, rotating component is rotatably installed on output shaft, when between left limit position and right limit position, linkage portion can drive rotating component relative mounting cavity rotation, when in any one of left limit position and right limit position, linkage portion is along the circumferential abutment rotating component of output shaft, rotating component is along the circumferential abutment fixed part of output shaft, to limit output shaft relative mounting cavity rotation.The structure of the corner limiting mechanism of the utility model is simple and compact, and occupies smaller space.

This utility model relates to the field of speed reducer technology and discloses a traveling speed reducer, including a rear flange, an input shaft rotatably connected to the rear flange, a first-stage planetary reduction mechanism, a second-stage planetary reduction mechanism, a brake end cover, and a brake shaft rotatably connected to the brake end cover. The first-stage planetary reduction mechanism includes a first-stage sun gear, first-stage planet gears, a shaft disc, and a first-stage gear ring. The second-stage planetary reduction mechanism includes a second-stage sun gear, second-stage planet gears, a planet carrier, and a second-stage gear ring. A hub is fixedly connected to the outer side of the first-stage gear ring. This utility model is equipped with a brake shaft, which can be connected to an external brake for braking, thereby enabling the speed reducer to have a braking function. This can effectively reduce the impact during equipment start-up and shutdown, reduce component wear, extend equipment service life, and can also immediately stop the machinery in case of mechanical failure or motor malfunction, ensuring system safety and providing emergency stop capability, which can help achieve more precise motor control.

This invention provides an adjustable pitch structure for an injection molding machine and an injection molding machine in the field of injection molding equipment technology. The adjustable pitch structure is installed in the injection molding machine, comprising a first drive component and a second drive component. The first drive component includes a fixed base and a movable base, with the movable base housed within the fixed base and its axis coinciding with the axis of the fixed base. The second drive component is housed within the movable base, and its output end is fixedly connected to the moving mold of the injection molding machine. It also includes a first drive system for driving the movable base to move along its own axis. This adjustable pitch structure eliminates the additional connecting parts and space occupied by traditional injection molding machines, resulting in a compact structure, significantly improved space utilization, and enhanced positioning accuracy and mold closing stability for pitch adjustment in the injection molding machine.

The application provides an air flow generating device, which comprises a main shell and an air outlet shell in a split design, the main shell is provided with an air inlet, the air outlet shell is provided with an air outlet, the main shell and the air outlet shell jointly form a containing cavity containing a motor assembly, the radial dimension of the air outlet shell gradually shrinks from the second end to the first end to form a funnel-shaped air collecting chamber inside the air outlet shell, the motor assembly comprises a motor rotating around a motor axis and a fan, when the motor rotates, external air flow enters the main shell through the air inlet, and is discharged from the air outlet after passing through the air collecting chamber, and users can install air nozzles with different air outlet diameters on the air outlet shell according to different work scenes, so that the air flow generating device works in a first mode of providing large air flow or a second mode of providing high air speed, and the air outlet performance is improved; meanwhile, the whole machine is small in size, and is convenient to store and carry.

The utility model belongs to submersible motor stator winding processing technical field especially relates to a submersible motor stator winding nesting device. In order to solve the problem that the shape of the existing submersible motor stator winding is irregular and the size is not standard, the utility model discloses a submersible motor stator winding nesting device, which comprises an annular base, two arc convex sections are symmetrically arranged on the annular base; The arc convex section extends along the axial direction of the annular base. The independently arranged nesting device provides a winding carrier for the winding set, so that the winding set is shaped under the constraint of the winding carrier to form a winding with regular shape and standard size. The insulation of the nesting device and the axial arrangement of the different phase nesting devices realize the insulation between different phase windings, which improves the installation efficiency of the submersible motor stator winding and prolongs its service life.

This utility model relates to a thrust bearing and a pump. The thrust bearing is configured to be installed in the pump, which includes a shaft, an impeller, and the thrust bearing. Both the impeller and the thrust bearing are sleeved on the outside of the shaft. The thrust bearing includes a bearing body and an axial extension. The axial extension is connected to the end of the bearing body near the impeller, and the outer diameter of the axial extension is smaller than the outer diameter of the bearing body. The axial extension extends from the bearing body, allowing the impeller to preferentially rub against the extended section during impeller retraction, forming a friction pair. The axial extension acts as a thrust bearing or thrust ring. The smaller outer diameter of the axial extension does not affect the installation of the thrust bearing, saves material, and facilitates the fabrication of the axial extension. Connecting the axial extension to the bearing body reduces the number of pump parts, lowers material and design costs, increases assembly convenience, and shortens the overall axial dimension of the pump.

The utility model provides a kind of range extender system.The range extender system includes: engine, including engine body, flywheel, flywheel shell and pivot, flywheel shell cover is set in flywheel outside;Generator, including casing, stator part, rotor part and support, stator part is fixed in casing, rotor part is set on support, to rotate with support relative to stator part;Wherein, casing is connected with engine body by flywheel shell, support is connected with pivot by flywheel.The utility model effectively solves the problem that the mode that engine and generator are connected by coupling in prior art not only influences the operation reliability of range extender system, but also leads to the problem that the volume and weight of range extender system are relatively large.

This utility model relates to the field of caliper assemblies, specifically a sensor assembly for calipers, a sensor assembly having the sensor assembly, and a caliper assembly, including a sensor body. The sensor body is connected to a first connector via a sensor wiring harness. The sensor assembly disclosed in this utility model externally connects the first connector via the sensor wiring harness. This arrangement not only facilitates subsequent insertion with a second connector but also avoids the first connector occupying the upper space of the sensor body, thereby reducing the axial space occupied by the first connector in the caliper assembly during subsequent use, which is not conducive to reducing the axial dimension of the caliper assembly.