575results about How to "Increase torque" patented technology

The invention discloses a brushless planetary gear speed reducing motor, and belongs to the technical field of planetary gear speed reducing motors, the brushless planetary gear speed reducing motor comprises a base, a heat dissipation assembly and a torque self-adjusting assembly, the upper surface of the base is fixedly connected with a shell, the shell is provided with an air hole penetrating through the inner side and the outer side of the shell, and the outer side of the shell is provided with a heat conduction strip; a bearing in the shell is connected with one end of a motor winding, and the other end of the motor winding is coaxially and fixedly connected with one end of a driving shaft. According to the motor, the fan structure and the water-cooling heat dissipation structure are arranged inside the motor, so that the heat dissipation efficiency and effect can be improved, and the problem that the heat dissipation efficiency and effect are poor due to the fact that only the fan structure is arranged in the past and hot air circulates inside and outside the shell is solved; and after the motor is started, the torque is gradually reduced, so that the strength of the structure is improved, and the situation that the strength is reduced due to the fact that the torque is too long is avoided.

The invention discloses an engine slow twisting function control method, device and equipment and a readable storage medium. The method comprises the steps that a gearbox gear of a vehicle is obtained; according to the gear of the gearbox or the transmission speed ratio corresponding to the gear of the gearbox, the target torque change rate limit value of the engine is determined; and engine slow twisting is conducted according to the target torque change rate limiting value. According to the method, engine slow twisting can be executed at different gears according to different target torque change rate limiting values, so that engine slow twisting can be executed at a gear with a relatively high transmission speed according to a relatively low target torque change rate limiting value, and vehicle oscillation caused by an overlarge torque change rate at a transmission system is avoided; and meanwhile, engine slow twisting can be executed with a high target torque change rate limit value at a gear with a low transmission speed, the torque of the engine can be increased as quickly as possible while the smoothness of the vehicle can be kept, and finally the torque response capacity of the vehicle and the smoothness of the torque increasing process are effectively balanced.

The utility model relates to the technical field of driving modules, and provides an electric curtain driving module aiming at the condition that the output torque of a driving belt pulley, directly driven by a motor, of a traditional electric curtain is limited, the electric curtain driving module comprises a driving box and a power box, and the power box is located at the bottom of the driving box; a driving belt pulley is rotationally connected into the driving box; a driving motor and a gear reducer are arranged in the power box; the output end of the driving motor is in driving connection with the input end of the gear reducer; the input end of the gear reducer is in driving connection with the driving belt pulley through a transmission assembly; the power box is connected with the driving box through a connecting assembly. The effect of improving the output torque of the driving belt wheel is achieved.

The embodiment of the utility model provides a nitrogen making machine, which relates to the technical field of nitrogen making equipment, and comprises a PSA (Pressure Swing Adsorption) nitrogen making machine, the PSA nitrogen making machine comprises a pipeline system and two adsorption towers with consistent specifications, sealing plates are fixed at the top ends in the adsorption towers, and rotating holes are formed in the tops of the sealing plates and the tops of the adsorption towers. When the adsorption tower of the nitrogen making machine performs adsorption work, the servo motor drives the output shaft of the reduction gear box to rotate, so that the screw rod obtains relatively large twisting force, and the screw rod enables a molecular sieve to enter the middle cylinder and then be discharged from the middle cylinder in a screw transmission manner, so that the molecular sieve circularly flows in the adsorption tower, and the adsorption efficiency is improved. The molecular sieves are arranged in the adsorption tower, so that airflow entering the adsorption tower can be in uniform contact with the molecular sieves, the phenomenon of local saturation is avoided, and the turbulent flow effect can be started through the flowing molecular sieves, so that the retention time of the airflow in the adsorption tower is prolonged, and the adsorption efficiency is improved.

The utility model relates to the technical field of motors, and discloses a servo motor and industrial automation equipment, the servo motor comprises a stator assembly and a rotor assembly, the stator assembly comprises a stator iron core, the stator iron core comprises an annular stator yoke part iron core and a plurality of stator tooth part iron cores, a connecting part is arranged between two adjacent stator tooth part iron cores, and the stator yoke part iron core is connected with the rotor assembly. In the circumferential direction of the stator iron core, the length of the connecting parts is Bs, the maximum outer diameter of the stator yoke iron core is Rs, a plurality of # imgabs0 # stator tooth iron cores are evenly distributed in the circumferential direction of the stator yoke iron core, the connecting parts are arranged between every two adjacent stator tooth iron cores, notches can be eliminated, cogging torque and torque pulsation can be improved, and the service life of the stator yoke iron core is prolonged. And the width of the connecting part and the maximum outer diameter of the stator yoke iron core meet the relational expression: # imgabs1 # limits the width range of the connecting part, so that the requirement of eliminating a notch is met, and the influence of the connecting part on the performance of the motor is reduced.

The invention relates to the technical field of building material recovery and treatment, and discloses waste building material recovery and treatment equipment which comprises a main body assembly, a crusher shell, a main rotating shaft, an auxiliary rotating shaft, crushing teeth, a supporting piece, a driving piece and a conveying belt, and the main rotating shaft and the auxiliary rotating shaft are arranged in the crusher shell; the crushing teeth are fixed to the surface of the main rotating shaft and the surface of the auxiliary rotating shaft respectively, the supporting piece is arranged in the crusher shell, and the driving piece is arranged on the crusher shell. The crusher has the beneficial effects that by arranging the adjusting assembly, during normal crushing, the high crushing efficiency of the crusher can be kept, and when the crusher encounters stones with high hardness, the torque of the crushing teeth can be enhanced, so that the crushing teeth can crush the stones with the high hardness; the problems that when an existing crusher treats objects difficult to crush, efficiency is low, and blockage and damage are prone to occurring are solved.

The invention discloses a hybrid turboshaft engine optimization method and system, a hybrid turboshaft engine is installed on flight equipment, the optimization method comprises the step of introducing a motor to assist in providing takeoff and climbing power of the flight equipment, and the motor is selected by the following steps: S1, determining a P turboshaft: determining the P turboshaft by taking W fuel oil minimization as a target, meanwhile, W fuel oil further needs to meet the inequality that W turboshaft + W motor + W clutch + W accessory + W battery + W fuel oil is smaller than or equal to K, the W turboshaft, the W motor, the W battery and the W fuel oil are all converted into a relational expression related to a P turboshaft, and the P turboshaft is obtained; s2, determining a P motor: P motor = P takeoff-P turboshaft; according to the optimization method, the motor is selected, the requirement of the hybrid turboshaft engine is met, extra thrust is increased, high-power power output is provided for flight equipment in the take-off and climbing stages, fuel combustion operation of the hybrid turboshaft engine is conducted under a stable working condition, and the total fuel consumption of the hybrid turboshaft engine is reduced.

The invention discloses an efficient scrap steel crusher, and relates to the technical field of scrap steel crushing. Comprising a mounting frame, and a main crushing roller and an auxiliary crushing roller are rotationally connected into the mounting frame; the mounting shell is fixedly connected to the mounting frame, and a sun gear, a planet carrier, a planet gear and a gear ring which are used for forming a planetary gear train are arranged in the mounting shell; the gear box is mounted on the mounting shell, and an output gear is rotationally connected into the gear box; the mounting cylinder is arranged on the planet carrier and is rotationally connected with the mounting shell; and the detection assembly is arranged on the main crushing roller and is used for detecting the rotating speed difference between the main crushing roller and the mounting cylinder. The rotating speed difference of the main crushing roller and the mounting cylinder is detected, the rotating speed of the main crushing roller and the mounting cylinder is adjusted according to the rotating speed difference, the rotating speed of the main crushing roller is reduced when the load of the main crushing roller is large, the torque of the main crushing roller is increased, the material blocking probability is reduced, and then the waste steel crushing efficiency is improved.

The invention provides a torque optimization type flat axial magnetic flux motor which comprises a main body assembly, and the main body assembly comprises two stator iron cores, an electromagnetic ring, a mounting frame, an electromagnetic coil, a rotor disc, a mounting seat, two limiting blocks, two fixing plates, two upper magnetic blocks, two limiting grooves, two limiting rods, a supporting spring and a through groove. And the through grooves are symmetrically formed in the rotor disc. When the robot needs to bear a large load, the electromagnetic ring pushes the sliding block through the lower magnetic block, the sliding block drives the clamping blocks, the two clamping blocks get close to each other, then the electromagnetic ring works, the upper magnetic block is pushed through magnetic force to move in the direction away from the mounting frame, meanwhile, the mounting base drives the magnetic steel, and due to the fact that the mounting base generates displacement, the magnetic steel is driven to rotate. And the torque of the axial magnetic flux motor is in direct proportion to the cube of the radius of the rotor, so that the torque can be remarkably improved by increasing the radius of the rotor, the motor is further suitable for a scene with a relatively large load, and the motion performance of the robot is ensured.

The invention discloses a high-air-gap flux density hybrid pole permanent magnet motor rotor, which comprises a rotor iron core, rectangular permanent magnets and Halbach array permanent magnets, and is characterized in that V-shaped grooves and linear grooves are uniformly distributed in the outer surface of the rotor iron core; the rectangular permanent magnets are arranged in the V-shaped grooves and form a V-shaped built-in permanent magnet structure, and the V-shaped built-in permanent magnet structure is used for suppressing torque pulsation during operation of the motor; according to the invention, the function of inhibiting torque ripple during motor operation through the V-shaped built-in permanent magnet structure is realized, and the function of improving the average torque output of the motor through the linear surface plug-in permanent magnet structure is realized, so that the operation stability and control precision of the motor are improved; and the motor can realize higher average torque and remarkably reduce torque pulsation while keeping a compact size, so that the energy efficiency ratio and the response speed of the motor are improved, the application potential of the motor in high-performance and high-efficiency applications is enhanced, and the motor is suitable for being widely popularized and used.

The utility model relates to the technical field of foundation quality, and discloses a hydraulic engineering foundation quality detection device which comprises a base internally provided with a through groove, a penetrometer with a cavity formed in the bottom is placed in the through groove of the base, a support is fixedly connected to the top of the base, a balancing weight is arranged in the support, and a hydraulic engineering foundation is arranged in the balancing weight. The bottom of the balancing weight is fixedly connected with an abutting disc matched with the penetrometer, and the top of the base is provided with a driving assembly for driving the balancing weight to ascend and descend in a reciprocating mode. By arranging the driving assembly, automatic standard penetration work can be conveniently achieved, the workload of workers is relieved, the rotating torque of a rotating rod can be improved through transmission between a worm and a worm gear, and therefore a balancing weight can stably move, and the working efficiency is improved. Wherein the transmission distance between the incomplete gear and the rack is consistent, so that the penetration depth of each time of standard penetration of the penetrometer can be stably measured.

The invention relates to the technical field of robots, in particular to a joint module and a robot, and solves the problem that the torque of the joint module is still small under certain size limitation. The joint module comprises a motor shell, a center shaft, a first sun gear, a plurality of first planet gears, an inner gear ring, a first planet carrier, a rotor, a connecting sleeve and a stator. The rotor is arranged on the inner ring of the stator, the stator is fixedly connected with the motor shell, only a gap needs to be reserved between the rotor and the stator, and the radial size of the joint module is reduced. In addition, the rotor is arranged on the outer sides of the first sun gear and the first planet gear in a sleeving mode, the rotor and the first sun gear are connected through the connecting sleeve, and the axial size of the joint module is reduced. Namely, the radial size and the axial size of the joint module are reduced, and the torque capable of being borne by the joint module can be increased under the condition that the space of the joint position of the humanoid robot is limited.

The invention relates to a coil packaging method of a galvanometer motor stator assembly. The coil packaging method comprises the following steps: winding an enameled wire into a coil; assembling the coil and a stator into a stator assembly; in a vacuum environment at the temperature of 20-60 DEG C, glue pouring is carried out on a coil in the stator assembly; and after the glue filling is completed, the glue is cured for 30-60 minutes at the temperature of 70-160 DEG C, and the coil is packaged and is embedded, bonded and fixed with the stator. According to the coil packaging method of the galvanometer motor stator assembly, the manufactured galvanometer motor can be small in size, the exciting current can be reduced, the power factor can be improved, the torque and dynamic response of the galvanometer motor can be improved, the adaptive scene of the galvanometer motor can be increased, and the service life of the galvanometer motor can be prolonged. And the insulating property of the coil, the overall mechanical strength of the stator assembly, the stability of the stator assembly and the service life of the stator assembly can be improved.

The utility model discloses a transmission structure of a gear motor. The transmission structure comprises a mounting seat and a transmission mechanism, a motor is arranged in the middle of the left end of the mounting base, and fixing bases are arranged on the front side and the rear side of the lower end of the mounting base; the transmission mechanism comprises an output shaft, a planet carrier, mounting rods and planet gears, the output shaft is rotationally connected to the middle of the right end of the mounting base through a bearing, the planet carrier is arranged at the left end of the output shaft, the mounting rods are rotationally connected to the edges of the left end of the planet carrier through bearings, and the planet gears are arranged at the left ends of the mounting rods; the gear motor further comprises a control switch, the control switch is located outside the installation base, the input end of the control switch is electrically connected with an external power source, the input end of the motor is electrically connected with the output end of the control switch, and the transmission structure of the gear motor can replace a traditional mode that transmission work is achieved through matched arrangement of gears. The transmission efficiency is improved, and meanwhile installation and maintenance are convenient and fast.

The ultra-miniature harmonic speed reducer with the double-flexible-gear structure comprises a steel wheel, an input shaft, a supporting bearing structure, a multi-stage flexible gear structure and an output shaft, an upper cover and a lower cover are fixedly installed on the upper side and the lower side of the steel wheel correspondingly, and the input shaft and the output shaft are rotationally connected with the steel wheel through the supporting bearing structure; the input shaft and the output shaft are in driving connection through a multi-stage flexible gear structure, and the multi-stage flexible gear structure is formed by connecting a plurality of flexible gear structures in series. The harmonic speed reducer is provided with the double flexible gear structures which are connected in series, the harmonic speed reducer is large in transmission ratio, high in bearing capacity and high in transmission precision, and compared with a traditional harmonic speed reducer, the harmonic speed reducer can be of an ultra-micro structure, has the high transmission ratio and large torque, can be suitable for the small-space use environment, is higher in applicability and has the good market prospect in the field of miniature equipment.

The invention discloses a design method of a variable-clearance differential structure, which is characterized in that the internal space of a shell can be effectively utilized through the layout of the positions of a planetary gear shaft, a planetary bevel gear and a half shaft bevel gear in cooperation with a special-shaped elastic planetary gear gasket; the matching relation between the planetary gear shaft and the planetary bevel gear adopts a variable-gap conical structure, the performance of parts is effectively utilized, and the requirements of new energy for high rotating speed, high torque and long service life are met. The two sides of the variable-gap conical structure are milled to be flat, and planetary bevel gears are installed. The planetary bevel gear is meshed with the half shaft bevel gear; a special-shaped elastic planetary gear gasket is arranged on the outer side of the planetary gear shaft and comprises arc sections and drum-shaped arc sections which are alternately arranged, the arc sections on the two sides are attached to the spherical surface of the planetary bevel gear, the middle of the special-shaped elastic planetary gear gasket is drum-shaped, and an inner hole of the gasket is a flat slotted hole and is matched with the planetary gear shaft to form a limiting rotation structure.

The invention discloses a backstepping active-disturbance-rejection control method and device for a permanent magnet synchronous motor and a medium, and relates to the field of motor control. The invention aims to solve the problem of overshoot in the control process of the traditional three-phase motor. The invention relates to a backstepping active-disturbance-rejection control method for a permanent magnet synchronous motor. The method comprises the following steps: constructing a permanent magnet synchronous motor second-order dynamics simplified model with an error disturbance factor; de-noising the model by using a differential tracker; observing the denoised model by using a first-order extended state observer; obtaining an error disturbance factor of the motor control system by using a nonlinear state error feedback control law based on the observation result, and compensating the error disturbance factor to obtain external disturbance of the motor control system after compensation; and designing a backstepping controller of the permanent magnet synchronous motor by adopting a backstepping method on the basis of the compensated external disturbance of the motor control system, obtaining a control quantity by utilizing the backstepping controller of the permanent magnet synchronous motor, and further controlling a rotating speed ring in vector control of the permanent magnet synchronous motor.

The utility model provides an automatic door opener which comprises a driving piece, a transmission assembly, a rocker arm and an angle detection control assembly, and the input end of the transmission assembly is connected with the driving piece; one end of the rocker arm is connected with the output end of the transmission assembly, and the other end is connected with a door frame; the rocker arm is configured to be driven by the transmission assembly to rotate around the joint of the rocker arm and the output end of the transmission assembly so as to drive a door leaf to be opened and closed. The angle detection control assembly comprises an angle detection piece connected with the transmission assembly and a control piece electrically connected with the driving piece, the angle detection piece and the control piece are arranged in a magnetic induction mode so that angle signals can be synchronously output to the control piece at any time to accurately control the number of rotation turns of the driving piece, and therefore the door opening angle of the door leaf can be accurately controlled. The rocker arm can rotate within the range of 360 degrees, so that when the door is opened and closed by violent force, due to the fact that a stroke limiting device for the rocker arm does not exist, the situation that the transmission assembly structure is damaged due to over-stroke caused by the violent force opening and closing is avoided.

The utility model discloses a dual-motor driving system which comprises a first motor and a second motor which are vertically arranged, the first motor and the second motor are close to each other, motor shafts of the first motor and the second motor are arranged in a back-to-back mode, and the motor shaft of the first motor is in transmission connection with a first output shaft through a first transmission assembly. A motor shaft of the second motor is in transmission connection with a second output shaft through a second transmission assembly, the first output shaft and the second output shaft are coaxial, and the distance between the first output shaft and the motor shaft of the first motor is equal to the distance between the second output shaft and the motor shaft of the second motor. The utility model has the advantages that: the layout is reasonable, the radial arrangement of the first motor and the second motor can greatly reduce the axial size, reduce the occupied arrangement space of the chassis structure, and can give consideration to the dynamic property and economical efficiency of the whole vehicle to the greatest extent. According to the design, the requirement for the space of the whole vehicle is low, and wide applicability is achieved.

The utility model discloses an electrode silicon ring machining supporting tool which comprises a supporting disc, a plurality of inserts are inlaid on the supporting disc, and a base plate located above the inserts is further arranged on the supporting disc. The insert comprises a sleeve arranged in the supporting disc, and the inner wall of the sleeve is provided with threads. According to the utility model, the problem of certain deformation in the heating process of the existing tool is solved.

The invention belongs to the technical field of motors, and particularly discloses a variable-air-gap axial flux permanent magnet synchronous motor which comprises a machine shell, a stator module, a rotor module and an adjusting module. The rotor module comprises a rotating shaft, a rotor support and magnetic steel arranged on the rotor support, and the rotor support is fixedly arranged on the rotating shaft in a sleeving mode. The two stator modules are arranged on the two sides of the rotor support respectively. Each stator module comprises a stator and a stator support. The stator module and the rotor module are arranged in the casing, and the casing is provided with a through hole for a rotating shaft of the rotor module to pass through, so that one end of the rotating shaft of the rotor module extends out of the casing; and the adjusting module is used for synchronously adjusting the axial distance between the two stator modules and the rotor module so as to adjust air gaps on two sides of the rotor module. The size of air gaps on two sides of the rotor can be adjusted during assembly, so that the balance of the air gaps on the two sides is ensured, the noise of the motor is reduced, the size of the air gaps on the two sides can be effectively adjusted during operation, the efficiency of the motor is improved, and the constant-power rotating speed range of the motor is greatly widened.

The invention discloses a planetary clutch device, and belongs to the technical field of steering engines. The device is used for conducting conversion of different transmission ratios on a steering engine and comprises a clutch spring, a sun clutch piece, a ring gear clutch piece, a planet gear and a planet carrier used for installing the planet gear, the clutch spring abuts against the left end face of the sun clutch piece, the right end face of the sun clutch piece is matched with the ring gear clutch piece in a separable mode, and the planet carrier is used for installing the planet gear. The ring tooth clutch piece comprises an inner gear ring, the planet teeth are meshed with the inner gear ring, and when the clutch spring is stressed to be in a clutch state, the sun clutch piece is disengaged from the ring tooth clutch piece, meanwhile, the sun clutch piece is matched with the planet teeth, and therefore transmission ratio conversion is achieved. The device has the beneficial effects that when the starting speed is high and the load is increased, the clutch of the steering engine is triggered, the planetary gear set immediately joins in transmission, the gear ratio is increased, the torque is increased, and torque conversion can be achieved without electric control matched gear shifting.

The utility model discloses a yarn false twisting device which comprises a false twisting mechanism, and the false twisting mechanism comprises a first false twisting assembly used for twisting yarn and a second false twisting assembly used for reinforcing the yarn. The first false twisting assembly comprises a hollow motor and a first false twister, and the hollow motor is fixedly connected with the first false twister and drives the first false twister to rotate; the second false twisting assembly comprises a hollow spindle and a second false twister, and the hollow spindle is fixedly connected with the second false twister and drives the second false twister to rotate. The yarn false twisting device can effectively and stably carry out false twisting and fixing on yarn, and the efficiency of the spinning process and the quality of products are effectively improved.

The invention discloses a residual current operated circuit breaker test detection device and method, the device comprises an action execution device, a reciprocating driving mechanism and a state monitoring module, a direct current driving motor of the reciprocating driving mechanism is arranged in the action execution device, and the direct current driving motor is connected with a planetary gear speed reducer; the center of an output gear of the planetary gear reducer is provided with an output rod in a limiting mode in a sliding mode in the axial direction of the output gear, the output end of the output rod and the end face of the planetary gear reducer are connected with a thrust spring, the output end of the output rod is connected with an operating rod to rotate, and the operating rod is provided with an operating bit and a state monitoring module. According to the device, through cooperation of the output gear of the planetary gear reducer, the thrust spring and the output rod, forward thrust is given to the operation bit, so that the operation bit is tightly attached to the operation hole, and it is ensured that the operation bit cannot be thrown out of the operation hole due to the influence of centrifugal force; the state monitoring module monitors the opening and closing states of the circuit breaker through electric signals, thereby guaranteeing the test precision.

The utility model discloses a bidirectional output integrated shaft angle head, which relates to the field of machinery and comprises a shell, a transmission shaft and an output shaft, two ends of the output shaft are respectively provided with a cutter mounting groove, the bottom of the transmission shaft is fixedly connected with a spiral bevel gear A. The outer surface of the output shaft is sleeved with a shaft sleeve. One end of the shaft sleeve is sleeved with a spiral bevel gear B, and the spiral bevel gear B is meshed with the spiral bevel gear A. The small-modulus multi-tooth structure spiral gear is selected, the inner diameter of the gear is maximized so that the requirement that the gear can pass through the large end of the gear can be met, machine tool power is output in a steering mode through the spiral bevel gear, cutters at the two ends are driven to rotate to participate in cutting, and the structural stability and torsion are improved; the phenomenon that the angle head is easy to damage is reduced, low-cost and high-efficiency stable processing of batch products can be realized, the production efficiency is improved, and the cost is saved.

The invention relates to the technical field of motors, and discloses a large-torque wide-speed-regulation permanent magnet torque spindle motor which comprises a machine shell and a spindle arranged in the machine shell. The respective multi-phase wire outlet ends of the n permanent magnet power modules are symmetrically connected; each permanent magnet power module comprises one or more permanent magnet driving subunits, and all the permanent magnet driving subunits are sequentially arranged in the axial direction of the main shaft; at least one permanent magnet power module Mi except the permanent magnet power module M1 is provided with bypass branches Qi which are connected in parallel; the wire inlet end of the permanent magnet power module M1 is connected with a power supply, and a control unit Si is arranged between the wire outlet end of the multi-phase coil winding of each permanent magnet power module Mi except the permanent magnet power module Mn and the corresponding neutral point Oi. And each control unit Si selects to connect part or all of the permanent magnet power modules in series so as to drive the main shaft, so that the motor can output rotating speed and torque which can be adjusted within a relatively large range.

The utility model provides a turbine flowmeter. The turbine flowmeter comprises a main body, a rotating shaft, a first turbine and a swirler, an accommodating cavity is formed in the main body; the rotating shaft is positioned in the accommodating cavity and is rotationally connected with the main body; the first turbine is arranged on the rotating shaft, and the first turbine is located in the containing cavity. The swirler is arranged in the containing cavity and located on the side, close to the fluid inlet, of the first turbine. A fluid entering the accommodating cavity from the fluid inlet forms a pre-swirling flow when passing through the swirler; wherein the fluid has a first flow speed, and the pre-rotational flow faces the rotation direction of the first turbine; a pre-swirling flow flows through the first turbine and drives the first turbine to rotate. The utility model has the technical effects that the design is reasonable, and stronger steering force and subsequent turbines can be provided for the first turbine, so that the first turbine and the whole flow meter can still be smoothly started at a lower flow speed.

The utility model relates to the technical field of bending mechanical adjustment, in particular to a follow-up front material supporting automatic R shaft which comprises a floor type outer frame, an inner frame is arranged on the inner side of the floor type outer frame, an R shaft guide rail is fixed to the side wall of the inner frame, and an R shaft sliding block matched with the R shaft guide rail is fixed to the inner side face of the inner frame. The follow-up front material supporting automatic R shaft is connected through the lead screw, and the bearing performance is high; a motor is used for enabling and driving, and is matched with a sensor mounting metal plate for mounting a sensor, so that the working efficiency is improved, and the adjusting precision is ensured; and the R-axis speed reducer is matched with the R-axis screw rod, so that the torque can be increased.

The invention provides a folding device, a shell assembly and electronic equipment. The folding device comprises a base assembly, a first rotating part, a first cam part, a first elastic part and a second cam part. The base assembly comprises a base and two rotating shafts arranged on the two opposite sides of the base, the two rotating shafts are sleeved with the two first rotating pieces respectively, and in the axial direction of the rotating shafts, a first cam is arranged on one side of each first rotating piece, and a second cam is arranged on the other side of each first rotating piece. The first cam piece is arranged on the two rotating shafts in a sleeving mode and provided with two third cams matched with the two first cams. At least one first elastic piece sleeves the rotating shaft, one end of the first elastic piece abuts against the first cam piece, and the other end of the first elastic piece is fixed to the rotating shaft. The second cam piece is arranged on the two rotating shafts in a sleeving mode and provided with two fourth cams matched with the two second cams. The torsion of the folding device can be improved, and when the size of the folding device is reduced, the folding device can still meet the opening and closing hand feeling and hovering requirements of the whole machine.

The invention provides a flexible multi-stage self-adaptive processing device based on force dynamic real-time feedback, and relates to the field of cleaning or galling robot equipment.The flexible multi-stage self-adaptive processing device comprises an active lifting mechanism, a rapid locking mechanism and a flexible operation mechanism; the operation assembly is in floating flexible connection with the operation rack, so that the operation assembly can be passively changed to adapt to the characteristic change of an operation surface, and the operation effect is effectively guaranteed; meanwhile, the active lifting mechanism can drive the rapid locking mechanism and the flexible operation mechanism to be integrally adjusted up and down, and then overall preliminary large-scale adjustment can be conducted according to the working state of the operation assembly; by means of the active lifting mechanism and the flexible operation mechanism, the operation assembly can achieve flexible multi-stage self-adaptive adjustment based on force dynamic real-time feedback, then the cleaning or galling operation task can be efficiently completed, and the market value is high.