135 results about "Jackshaft" patented technology

A powered ratchet tool includes a housing and a motor disposed within the housing. The motor has an output shaft rotatable about a first axis. The powered ratchet tool further includes a ratchet mechanism supported by the housing and operably coupled to the output shaft to be driven by the motor. The ratchet mechanism has a crankshaft assembly defining a variable crank radius configured to change an extent of each rotational stroke of the ratchet mechanism. Moreover, the powered ratchet tool includes an output drive operably coupled to the ratchet mechanism to be rotated about a second axis perpendicular to the first axis.

The utility model discloses a punching machine for power distribution cabinet production, which comprises a workbench, one side of the workbench is provided with a lubricating mechanism, the lubricating mechanism comprises a material box, the bottom of the left side of the material box is provided with a fixing pipe, one side of the fixing pipe is communicated with a frame body, one side of the frame body is movably connected with a crank shaft, and the crank shaft is movably connected with the workbench. The right side of the bottom of the workbench is fixedly connected with a double-shaft motor. According to the punching machine for production of the power distribution cabinet, the lubricating mechanism is arranged, an electric telescopic rod drives an adjusting plate to move, the adjusting plate drives a spray head to move, so that the spray head moves to the position between an upper die and a lower die, a double-shaft motor drives a crankshaft to rotate, the crankshaft drives an adjusting rod to move, the adjusting rod drives a fixing rod to move, and the fixing rod drives a sealing plate to move; when the sealing plate moves towards the inner side, the lubricating liquid can be pumped out through a fixing pipe, and when the sealing plate moves towards the outer side, the lubricating liquid can be discharged into a discharging pipe and then sprayed out through a spray head, so that the lubricating liquid makes contact with the upper mold and the lower mold.

A glider seating unit with a selectively powered gliding motion is provided. The glider seating unit includes a base frame and a glide assembly movably connected to the base frame. The glide assembly is configured to glide in a forward direction and in a backward direction relative to the base frame. A glider drive mechanism is connected to the base frame and includes a motor, a drive shaft connected to the motor, a crankshaft releasably connected to the drive shaft at a joint, and a linkage connected between the crankshaft and the glide assembly. Operation of the motor in a first rotational direction connects the drive shaft to the crankshaft to rotate the crankshaft to thereby induce reciprocating forward and backward gliding motion of the glide assembly relative to the base frame. Operation of the motor of the glider drive mechanism in an opposite, second rotational direction disconnects the drive shaft from the crankshaft to permit the glide assembly to glide freely forward and backward relative to the base.

This invention provides a control device for a manually operated vehicle that allows for appropriate gear shifting via a derailleur. The control device for the manually operated vehicle includes a control unit. The vehicle includes: a crankshaft; at least one first rotating body; a wheel; at least one second rotating body; a transmission body; a derailleur; and a motor configured to drive the transmission body. The control unit is configured to control the motor and the derailleur, and is configured to drive the transmission body via the motor in at least one of the following situations: after the derailleur shifting operation begins while the crankshaft is rotating and before a predetermined first period has elapsed; and after the derailleur shifting operation begins while the crankshaft is rotating and before a predetermined first period has elapsed, the control unit presumes that the crankshaft's rotation has stopped.

This invention discloses an automatic opening and closing air vent and cooling cabinet based on zoned temperature within the cabinet, belonging to the field of electrical equipment heat dissipation technology. The air vent includes components such as a base, crankshaft, movable air baffle, and electromagnet, achieving precise 90° opening and closing via electromagnet drive. The movable air baffle can be either perforated or non-perforated, depending on requirements. The cooling cabinet includes the aforementioned air vent, cooling fan, air duct, cabinet body, and temperature controller. The cabinet body is divided into multiple independent chambers, each equipped with an air vent and temperature probe. The temperature controller automatically controls the opening and closing of the air vent based on the chamber temperature. This invention enables precise and concentrated delivery of cold air to high-temperature areas, solving the problems of inaccurate heat dissipation, high cost, and low efficiency of existing cooling cabinets. It improves cooling efficiency, reduces cooling power requirements, and features a simple, reliable, and easy-to-maintain system, making it suitable for local deployment scenarios of electrical equipment with high heat dissipation requirements, such as AI hardware.

The utility model discloses a variable load road roller, it includes frame and sets up the walking mechanism and load adjusting mechanism in the lower part of frame, wherein walking mechanism includes the front drive axle of hinged connection in the bottom of frame front side and the rear drive axle of hinged connection in the bottom of frame rear side, and load adjusting mechanism includes the multiple groups of loading wheel of setting between front drive wheel and rear drive wheel, and loading wheel hinged connection is established on the support axle, and the end of this support axle is hinged fixed on the rocker and crank, wherein the other end of crank is hinged connection with the crank axle of setting on one side of support axle, and the crank axle is hinged connection with the hinged seat of installing on the frame, and the other end of rocker is hinged connection with the loading cylinder telescopic end of setting on the other side of support axle, and loading cylinder is hinged installed on the frame through hinged seat, and the loading wheel can be through the control loading cylinder action to realize to the pressure intensity of carrying out to the road surface through the road surface rolling pressure belt, and then realizes the quick adjustment of road roller to the ground pressure intensity.

Embodiments of the present application provide a jacking device and an autonomous movement robot. The jacking device provided in the embodiments of the present application uses a crankshaft motor and a connecting rod mechanism, wherein an output end of the crankshaft motor is hingedly connected to a first rod, and the other end of the first rod is then hingedly connected to a first end of a second rod and a first end of a third rod of the connecting rod mechanism; when the output end of the crankshaft motor outputs power, the first rod drives the second rod and the third rod to act, changing the included angle between the second rod and the third rod, thereby pushing a scissor assembly and a first jacking plate to ascend and descend. Since the crankshaft motor is used in the solution of the embodiments of the present application, the configuration of a related transmission mechanism is reduced and the structure is simple; by means of the first rods, the second rods, and the third rods, the crankshaft motor drives scissor arms and the first jacking plate to act, the entire transmission chain is short, the transmission efficiency thereof is high, and the lifting / lowering speed of the jacking device is significantly improved; in addition, because the transmission chain is short and the number of parts is reduced, the maintenance cost of the jacking device provided by the present solution is low.

The invention discloses a linear driver which comprises a semi-circular-arc-shaped rack and a driving sliding base limited on the semi-circular-arc-shaped rack in a sliding mode, and a plurality of layers of driving swing plates meshed with the semi-circular-arc-shaped rack are arranged on the driving sliding base. A plurality of layers of second arc teeth are arranged on the side face of the semi-arc-shaped rack, and first arc teeth meshed with the corresponding second arc teeth are arranged on the side face of the driving swing plate. A crankshaft is rotationally connected to the driving sliding seat, and an eccentric disc is eccentrically arranged on the crankshaft; the driving swing plate is in transmission connection with the eccentric disc through the needle bearing, and the crankshaft is in transmission connection with the transmission mechanism. The eccentric disc is driven by the transmission mechanism to rotate, so that the first arc teeth of the driving swing plate are driven to be engaged with the tooth surfaces of the second arc teeth on the semi-circular-arc-shaped rack for displacement. According to the linear driver and the linear driving method thereof, driving is achieved on the basis of circumferential swing of an eccentric structure, and the linear driver is matched with a robot joint in the start-stop stage or during load sudden change.

The utility model discloses a film pressing device for wrapping film production, which comprises a bottom plate, one side of the bottom plate is provided with a tension adjusting mechanism, the tension adjusting mechanism comprises a support, the left side of the support is provided with a motor, the output end of the motor is fixedly connected with a crankshaft, the surface of the crankshaft is movably connected with an adjusting rod, and the adjusting rod is fixedly connected with the bottom plate. And one side of the adjusting rod is movably connected with a movable rod. According to the film pressing device for winding film production, a tension degree adjusting mechanism is arranged, a pressure value is set through an external PLC, when it is detected that the pressure value is different from the set value, a crankshaft is driven by a motor to rotate, the crankshaft drives an adjusting rod to move, the adjusting rod drives a movable rod to move, the movable rod drives an adjusting base to move, and the adjusting base drives a toothed plate to move; the toothed plate drives the gear to rotate, the gear drives the rotating shaft to rotate, the rotating shaft drives the adjusting frame to rotate, the adjusting frame drives the rectangular rod to rotate, and the rectangular rod drives the extrusion roller to rotate, so that the working tension degree is conveniently adjusted.

A bicycle mid-drive motor assembly structure is applicable to a vehicle frame of a bicycle. The vehicle frame includes an axle through-tube in which a crank axle is mounted for driving a front chainwheel. The mid-drive motor assembly structure includes a motor and a clutch set. The clutch set includes a crank axle sleeve, a support sleeve, a clutch wheel, a cover cap, and a transmission wheel. With the crank axle sleeve and the support sleeve respectively sleeved on and mounted to the crank axle and the axle through-tube, the clutch wheel, the cover cap, and the transmission wheel can be effectively aligned and positioned, effectively increasing the axial locking force and the radial supporting force, making power transmission stable and reliable, also preventing loosening resulting from vibration during operation and preventing wear resulting from poor meshing, thereby effectively extending the service life.

The utility model discloses a modularized crankshaft and an RV speed reducer, and belongs to the field of speed reducers. The shape memory alloy assembly is sleeved outside the central shaft; the first shaft sleeve assembly and the second shaft sleeve assembly are detachably connected outside the shape memory alloy assembly in a sleeving mode, and the first shaft sleeve assembly abuts against the second shaft sleeve assembly. The first shaft sleeve assembly and the second shaft sleeve assembly are the same in structure and each comprise a first shaft sleeve body detachably connected to the outside of the shape memory alloy assembly in a sleeving mode. And the second shaft sleeve body is sleeved outside the first shaft sleeve body. A first flat potential is arranged outside the first shaft sleeve body, a second flat potential is arranged in the second shaft sleeve body, and the first flat potential abuts against the second flat potential. The utility model has the technical effects that the modular performance is good, and the connection performance is good.

The utility model discloses a novel RV speed reducer which comprises an input shaft, a planetary speed reduction assembly, a cycloid speed reduction assembly and an output disc, the input shaft is connected with the planetary speed reduction assembly, the planetary speed reduction assembly is connected with the cycloid speed reduction assembly, the planetary speed reduction assembly and the cycloid speed reduction assembly are respectively connected with the output disc, and an inner gear ring is arranged on the output disc. A crankshaft and a planet wheel are arranged on the planetary speed reduction assembly, the crankshaft is connected with the planet wheel, a sun wheel is arranged on the input shaft, the sun wheel is meshed with the planet wheel, the crankshaft is connected with the cycloid speed reduction assembly, a fixing component is arranged on the input shaft, the fixing component is connected with the planet wheel, and the planet wheel is meshed with the inner gear ring. The sun gear and the planet gear are kept meshed through the fixing component, the planet gear is driven to move to be separated from the crankshaft, the planet gear is meshed with the inner gear ring of the output disc, primary transmission and secondary transmission of the RV reducer are switched back and forth, energy loss and heat generation are reduced, and equipment is more energy-saving and efficient.

The utility model discloses a diaphragm pump structure capable of adjusting dynamic balance, which comprises a crankshaft comprising a first shaft section and a second shaft section, the crankshaft is provided with a shaft hole along the axial direction of the crankshaft, the center line of the shaft hole is parallel to and does not coincide with the center line of the first shaft section, and the center line of the shaft hole is coincide with the center line of the second shaft section; the motor shaft penetrates through the crankshaft through the shaft hole, and the motor shaft is fixedly connected with the crankshaft; the first shaft section is sleeved with the crank support, and the first shaft section is connected with the crank support through a bearing; the diaphragm assembly is arranged on the crank bracket; the balance sleeve is arranged on the second shaft section in a sleeving manner; and the balancing weight is detachably locked on the balancing sleeve. According to the diaphragm pump structure capable of adjusting the dynamic balance, when the external load of the diaphragm pump changes, different configurations can be achieved by replacing the balancing weights with different loads, manual adjustment of the dynamic balance is completed, inertia force of rotating components is offset, the diaphragm pump achieves the optimal dynamic balance, and the vibration amplitude is reduced.

The utility model relates to the technical field of meat residue treatment, and particularly discloses a meat residue crushing and screening device which comprises a supporting mechanism used for supporting the whole device, a crank-link mechanism is arranged on the supporting mechanism and comprises two crankshafts rotationally installed on a supporting plate, and a plurality of groups of first cranks and second cranks are arranged on the crankshafts. A crankshaft sleeve is installed on the first crank fixing shaft, a plurality of shaft sleeve pins are fixedly installed on the crankshaft sleeve, a connecting rod is arranged on the crankshaft sleeve, a connecting rod shaft is rotatably installed at the other end of the connecting rod, fixing plates are fixedly installed at the two ends of the connecting rod shaft, screening assemblies are installed on the fixing plates, and the second crank and the first crank are the same in structure. According to the utility model, the screening assembly is arranged, so that the crank connecting rod mechanism moves up and down to drive the screening assembly to shake up and down, meat residues falling into the screening assembly are screened, and the screening quality is improved.

The utility model discloses an eccentric crank stroke coordinate and balance adjustable reciprocating mechanism, which comprises a base, a driving mechanism, a transmission mechanism and a mounting mechanism, the transmission mechanism comprises an eccentric wheel and a crank shaft, the eccentric position of the crank shaft is provided with a connecting shaft, and the crank shaft is movably mounted in the eccentric wheel and can rotate; an adjusting assembly is arranged in the eccentric wheel and is in butt joint with the crankshaft. The connecting shaft is connected with a connecting rod, the connecting rod is connected with a sliding plate, and the sliding plate is slidably erected on the base; the mounting mechanism is mounted on the sliding plate, and the sliding plate is connected with a position adjusting mechanism and a balance adjusting mechanism. Therefore, the coordinate of the tool can be conveniently adjusted, and the gravity of the part is overcome to achieve better balance. The stroke of the reciprocating mechanism can be adjusted, the coordinate position of the stroke can be adjusted, high-precision grinding machining of different strokes and different positions is achieved, parts with different blade lengths are machined, the stable balanced reciprocating stroke is provided, vibration is reduced, and machining precision and lines are guaranteed.

The present invention relates to a drive unit of an electric bicycle, comprising a motor, a crankshaft with a crank axle, a housing in which the motor is arranged, the housing having a first mounting area and a second mounting area, wherein the first mounting area and the second mounting area are configured for attaching the drive unit to a frame interface of the electric bicycle, wherein in a section plane through the drive unit and orthogonal to the crank axle: a first mounting axis is defined which connects the crank axle and a first center point of the first mounting area, and a second mounting axis is defined which connects the crank axle and a second center point of the second mounting area, wherein a mounting angle between the first mounting axis and the second mounting axis is greater than 30° and less than 90°.wherein each fastening area has two fastening elements, which are each arranged axially aligned.

To provide a power generation system capable of making a dynamo provided on a bicycle generate power without pedaling.SOLUTION: The power generation system S is a power generation system of a bicycle 1 having a rear wheel 11, right and left cranks 15 for rotating the rear wheel 11, and a dynamo adjacent to the rear wheel 11 and generating power by rotation of the rear wheel 11, and includes a blade 4. The blade 4 has a peripheral wall 41, a fixed part fixed to the crank 15 together with the peripheral wall 41 on the inside of the peripheral wall 41 in a state that the center of the peripheral wall and the crankshaft are arranged on the same axis, and a plurality of vanes 42 extending outward from the peripheral wall 41. The power generation system S rotates the rear wheel 11 and causes the dynamo to generate power by the peripheral wall 41 rotating together with the crank 15 when the blades 42 receive a water flow or wind.SELECTED DRAWING: Figure 8

The present invention relates to an engine assembly (100) for a motor vehicle. The assembly has a crankshaft (110) housed in a crankcase (120), a cam chain window (130) through which an oil path passes from a cylinder head to an oil sump in the crankcase (120), and an integrated starter generator (ISG) (200) having a rotor (210) rotatably mounted on one end of the crankshaft (110), the rotor having a plurality of protrusions (212) on a circumferential surface; wherein the circumferential surface of the rotor (210) receives oil from the cylinder head through the cam chain window (130) and the plurality of protrusions (212) splash the oil towards an inner wall (122A) of a crankcase cover (122) proximate to the ISG (200), thereby cooling the oil.

The utility model discloses a waterproof material generating device which comprises a bottom plate, a shell is arranged at the top of the bottom plate, a driving motor is fixedly connected to the top of the right side of the shell, the output end of the driving motor is fixedly connected with a crankshaft, one side of the shell is movably connected with a stirring roller, and the other side of the shell is movably connected with a motor. A vertical rod is movably connected to the surface of the crankshaft, a connecting base is fixedly connected to one side of the vertical rod, a movable rod is movably connected to one side of the connecting base, and a cylinder is movably connected to one side of the movable rod. Materials are poured into the inner cavity of the shell, then the driving motor is started, the driving motor drives the crankshaft to rotate, the stirring roller can be driven to rotate and stir the materials through cooperation of the synchronous wheel and the synchronous belt, and meanwhile the crankshaft can drive the shell to rotate with the rotating shaft as the circle center in the rotating process through cooperation of the vertical rod, the connecting base, the movable rod and the cylinder; therefore, the shell shakes in a reciprocating manner, and the working efficiency is further improved.

A transmission assembly for converting a garage door operator (GDO) from a ceiling mounted configuration to a jackshaft configuration by operably coupling the transmission assembly to a motorhead configured to be employed in either the ceiling mounted configuration or the jackshaft configuration may include an output coupler to operably couple the transmission assembly to a drive tube rotatable to alternately open and close a sectional door, the output coupler comprising an output pinion, an input coupler to operably couple the transmission assembly to a motor output shaft of the motorhead, the input coupler comprising an input pinion, a flexible coupling member operably coupling the input pinion and the output pinion, a transmission housing configured to extend around at least a portion of each of the input pinion, the output pinion and the flexible coupling member, and a multi-position coupling bracket having a wall interface portion for rigid connection to a wall, a transmission interface portion to hold the transmission housing relative to the wall interface portion at a first selected angle, and a motorhead interface portion to operably couple the wall interface portion relative to the motorhead at a second selected angle.

The utility model discloses a multifunctional child stroller which comprises a crankshaft, a stroller underframe, a crank, a bearing body and a rocker. One end of the crank is fixedly connected with the crankshaft, and the other end of the crank is in pin joint with the bearing body; the bottom end of the rocker is in pin joint with the vehicle underframe, and the top end is in pin joint with the bearing body; a seat is arranged on the bearing body; the crank shaft is positioned below the seat; when the pin joint axis of the crank is the highest, the vertical distance H between the top pin joint axis and the bottom pin joint axis of the rocker is greater than or equal to the eccentric distance of the crank; the eccentric distance of the crank ranges from 20 mm to 60 mm, and the maximum pitch angle theta of the seat face of the seat 5 ranges from 0 degree to 30 degrees. On the premise that interestingness of the cart is kept, safety and comfort of the cart are further guaranteed.

The utility model relates to sewing machine equipment, and discloses a thread trimming mechanism on a sewing machine and the sewing machine thereof, the thread trimming mechanism comprises a motor, a thread trimming crank, a cutter driving crank shaft and a scissor assembly, the thread trimming crank is arranged on an output shaft of the motor, and a roller is arranged at the outer end part of the thread trimming crank; an extension plate is fastened at one end of the cutter driving crankshaft, a groove is formed in the extension plate, and when the motor rotates reversely, the thread trimming crank is matched with the groove through a roller and drives the cutter driving crankshaft to reset; the other end of the cutter driving crankshaft is connected with the shear assembly in a fastening mode, and a reset element for driving the shear assembly to reset is installed on the cutter driving crankshaft. According to the design, the roller at the outer end part of the thread trimming crank is matched with the groove in the extension plate of the cutter driving crank shaft, so that a set of forced cutter return mechanism independent of the reset element is formed when the motor rotates reversely. Even if the reset element cannot work normally, the scissor assembly can be reset, and the problem that the scissor is stuck due to failure of the reset element is effectively solved.

The present application relates to a kind of grass material square bale baler compression mechanism and method, belong to the technical field of agricultural machinery.The compression mechanism includes crank mechanism, including two cranks, crank shaft, crank shaft end cover and bracket bearing seat;Connecting rod, including two U-shaped channel steel frame, front end plate, reinforcing plate and rear end plate;Small piston, including two side push block, multiple intermediate push block, upper cross beam, lower cross beam, connecting rod fixed sleeve and connecting rod connecting plate;Big piston, including two side push block, multiple upper intermediate push block and lower intermediate push block, upper cross beam, lower cross beam;Piston combination and separation mechanism, including rotary cam shaft, locking vertical plate, locking vertical plate seat, upper locking slide seat, locking support, lower locking slide seat, tension spring.Piston combination and separation mechanism can realize the combination and separation of big and small piston, decompose piston mass, reduce the inertia impact and vibration when piston moves, effectively reduce the power consumption of compression mechanism in the process of grass material compression.The present application also provides a kind of grass material compression forming method.

The utility model relates to the field of conveyer belt, and specifically to a scraper conveyor. It comprises a base frame, a conveyer belt, power rollers, a linkage assembly and a power assembly. A plurality of power rollers are rotatably installed on the base frame and connected by the linkage assembly. The power rollers are sleeved with the conveyer belt. The base frame is also provided with the power assembly, which is used to drive the power rollers to rotate and drive the conveyer belt to run. The linkage assembly is used to drive the power rollers to rotate together. The linkage assembly comprises a plurality of crankshafts and linkage rods. One end of the crankshaft is fixedly connected with the shaft of the power roller, and the other end is connected with the power assembly. The rotation shaft of the crankshaft coincides with the rotation shaft of the power roller. The linkage rod is connected with the crankshafts, and the linkage rod is hingedly connected with the middle section of the crankshafts. The utility model is provided with the linkage assembly to achieve the purpose of being more stable, having stronger power and lower kinetic energy loss.

The utility model provides a compact ultra-thin AGV, relates to the AGV technical field, solves the problem that the AGV single motor drive lifting structure occupies a large space, the device comprises an AGV frame and a lifting mechanism, the lifting mechanism comprises a base and a frame main body, the base is provided with four drive motors, the drive motors are connected with a speed reducer, and the speed reducer is connected with the frame main body. An eccentric crankshaft is arranged at the output end of the speed reducer, and the frame body can be driven to ascend and descend through the eccentric crankshaft. The four lifting mechanisms are driven to ascend and descend, the driving motor can be directly connected with the speed reducer and the eccentric crankshaft, an extra power transmission system is not needed to transmit power of the motor to four crank jacking points of the lifting mechanisms, and the space occupied by the lifting mechanisms is greatly reduced; and the lowest height of the frame main body is consistent with the height of the AGV frame, and the embedded design is adopted, so that the integrated design of the AGV frame and the lifting mechanism is realized, and the integration degree is greatly improved.

Provided is a cover assembly that can be attached to a front sprocket regardless of whether a crank arm is attached to a crank shaft after or before. A cover assembly (39) is for a front sprocket (37) of a bicycle (1). The cover assembly (39) includes a first cover member (45), a second cover member (47), and a first connecting structure (49). The first cover member (45) and the second cover member (47) are attached to the front sprocket (37). The first connecting structure (49) connects the first cover member (45) and the second cover member (47) to each other. The first cover member (45) and the second cover member (47) are disposed on the side of an axial outer side surface (37a) of the front sprocket (37). A tool engagement portion (54) of the first connecting structure (49) is disposed on the side of an axial inner side surface (37b) of the front sprocket (37) in an assembled state.

The utility model relates to sewing machine equipment, and discloses a crank sliding block thread trimming mechanism of a sewing machine and the sewing machine, the crank sliding block thread trimming mechanism comprises a motor, a thread trimming crank and a cutter driving crankshaft, the thread trimming crank is installed on an output shaft of the motor, and a sliding block is installed at the end of the thread trimming crank; a sliding groove is formed in the end portion of one end of the cutter driving crankshaft, the sliding block is matched with the sliding groove, and when the thread trimming crank drives the cutter driving crankshaft to rotate, the sliding block slides along the sliding groove; the other end of the cutter driving crankshaft is connected with the shear assembly in a fastening mode, and a reset element for driving the shear assembly to reset is installed on the cutter driving crankshaft. When the reset element loses efficacy and the cutter is stuck, the motor can drive the thread trimming crank to enable the sliding block to move reversely in the sliding groove, the cutter driving crank shaft is driven to rotate reversely, and forced cutter returning of the scissor assembly is achieved. Therefore, sewing work interruption, cloth damage or damage to other parts of the sewing machine due to cutter clamping are avoided, normal operation of the sewing machine is guaranteed, and economic loss of a user is reduced.

The automatic polishing production line for the marine crankshafts comprises a positioner base and the crankshafts arranged on the positioner base, linear motion modules are further arranged on the two sides of the positioner base, and an industrial robot is arranged on the surface of a moving platform on each linear motion module. An abrasive disc grinding mechanism or an abrasive belt grinding mechanism is arranged at the end of each industrial robot, and a constant-force floating assembly capable of carrying out constant-force supporting on an abrasive disc is arranged on each abrasive disc grinding mechanism; traditional manual polishing or fixed equipment is difficult to maintain constant contact pressure, so that the surface quality is not uniform, the constant-force floating assembly dynamically adjusts floating force by changing the pressure of an upper air chamber and a lower air chamber, the self-weight compensation function is achieved, and the surface quality is improved. And it is ensured that the industrial robot can keep stable grinding force no matter the industrial robot is in a pitching type posture or a pitching type posture.

A powered exoskeleton device includes an external frame, operable to be secured to a limb of a user. An artificial joint body pivotal about a joint axis is connected to the external frame to transmit force through the external frame to the limb of the user. A transmission transfers force from an input motor to the artificial joint body. The transmission includes a crank, pivotally coupled to the artificial joint body about a crank axle rotatable about a crank axis. A primary compression spring is carried by the artificial joint body and is operably coupled to the crank. Movement of the input motor results in the crank transferring force to the artificial joint body about the crank axle and through the primary compression spring to cause the artificial joint body to pivot about the joint axis, thus aiding the user is moving the limb.

A load transmission mechanism for a training device, a frame of which accommodates: a grip shaft portion to which a grip portion held by a user is connected at a first end portion and which rotates; an intermediate shaft portion that rotates in linkage with the rotation of the grip shaft portion; a transmission portion suspended between the grip shaft portion and the intermediate shaft portion and that transmits the mutual rotation of the grip shaft portion and the intermediate shaft portion; a rotation conversion portion provided on a crank shaft portion orthogonal to the intermediate shaft portion and that transmits the rotation of the intermediate shaft portion; and a crank shaft portion that converts the rotation of the crank shaft portion into up-and-down movement of a sliding shaft portion provided at a position parallel to the intermediate shaft portion. The first end portion of the grip shaft portion protrudes from a shaft opening portion formed in the frame in a direction orthogonal to the transmission portion, and the first end portion of the grip shaft portion is swingably supported by the frame, and a second end portion opposite the first end portion of the grip shaft portion swings within the shaft opening portion.