Abstract: A steering device for use in solar tracking equipment includes: a fixed base (10); a rotary base (20) correspondingly connected to the fixed base (10) and provided with a worm gear (22); and a driving module (30) disposed in the fixed base (10) and including a worm unit (33) and an adjustment mechanism (34), the worm unit (33) includes a cylindrical body (331) and a worm (332) supported in the cylindrical body (331), and the cylindrical body (331) is pivoted in the fixed base (10), the adjustment mechanism (34) is disposed corresponding to the cylindrical body (331) for adjusting the swinging motion of the cylindrical body (331), thereby enabling the worm (332) and the worm gear (22) to be mutually engaged. Accordingly, the backlash between the worm and the worm gear is able to be adjusted thereby enhancing the rotation precision.

Abstract: A motor, which has a braking function and is used in a linear actuator includes a main body, a rotation shaft, a braking means and a stopping means. The rotation shaft penetrates the center of the main body. The braking means includes a braking ring and a helical ring. The braking ring includes a plurality of curved plates. The helical ring surrounds outer edges of the curved plates. Each curved plate is put on the outer periphery of the rotation shaft. The stopping means is disposed between the main body and the braking means for restricting the rotation of any of the curved plates. By this arrangement, a better braking and decelerating function can be achieved.

Abstract: A high-load linear actuator includes a driving mechanism, a worm shaft, a worm wheel assembly, a lead screw, a telescopic pipe and an outer pipe. The driving mechanism includes a base and a motor. The base has a supporting portion and an accommodating portion. The motor is fixed to the supporting portion. The worm shaft extends from the motor into the supporting portion. The worm wheel assembly includes a worm wheel and two bearings for supporting the worm wheel in the accommodating portion. The worm wheel is engaged with the worm shaft. The lead screw is disposed through the worm wheel and driven by the motor for rotation. The telescopic pipe slips on the lead screw to be threadedly connected therewith. The outer pipe slips on the telescopic pipe. The rotation of the lead screw drives the telescopic pipe to linearly extend or retract relative to the outer pipe.

Abstract: A collapsible power-driven table stand includes a supporting body of an elongated shape, a first stand having a first driving member and a plurality of first extendable rods driven by the first driving member to move axially relative to each other and a second stand having a second driving member and a plurality of second extendable rods driven by the second driving member to move axially relative to each other. The first driving member is pivotally attached to one end of the supporting body and the second driving member is also pivotally attached to another end of the supporting body in order to allow both the first and second stands to extend/collapse relative to the supporting body. Accordingly, the assembly of the collapsible power-driven table is simplified and the overall size thereof is reduced.

Abstract: A collapsible power-driven table stand includes a supporting body of an elongated shape, a first stand having a first driving member and a plurality of first extendable rods driven by the first driving member to move axially relative to each other and a second stand having a second driving member and a plurality of second extendable rods driven by the second driving member to move axially relative to each other. The first diving member is pivotally attached to one end of the supporting body and the second diving member is also pivotally attached to another end of the supporting body in order to allow both the first and second stands to extend/collapse relative to the supporting body. Accordingly, the assembly of the collapsible power-driven table is simplified and the overall size thereof is reduced.

Abstract: A linear actuator includes a housing, motors, actuator members, clutch members, a base, a clutch driver, and a pulling handle. The motors are disposed in the housing. The actuator members are respectively disposed in the housing and corresponding to a respective one of the motors. Each clutch member is connected between a respective one of the motors and a respective corresponding one of the actuator members. The base is disposed on an outer surface of the housing, a flange is disposed on an outer surface of the base, and a guiding slot is formed on the base. The clutch driver is in the base and connected to each of the clutch members. A cam contacting against the flange is formed on an end of the pulling handle, and a shaft is inserted through the end. The shaft is inserted through the guiding slot to connect the clutch driver.

Abstract: An actuator with a quick-release mechanism includes a base (10); an electric motor (20) including a worm shaft (212); a transmission mechanism (30) including a worm gear assembly (31), a lead screw shaft (32) and a bearing (33); a quick-release mechanism (40) including first and second cylinders (41, 42) attached to the lead screw shaft (32); an elastic member (50) clamped between the worm gear assembly (31) and the second cylinder (42) and a dialing mechanism (60) including a rotating piece (62) pivotally attached to the base (10); and wherein the worm gear assembly (31) including protruding teeth (316); the second cylinder (42) includes teeth slots (424) engaged with the protruding teeth (316) for engaged or disengaged transmission; and the rotating piece (62) includes a dial arm (621) to push the second cylinder (42) to disengage from the worm gear assembly (31) for torque transmission.

Abstract: A linear actuator includes a gearbox, a motor structure, a lead screw, a telescopic tube, a quick release mechanism and a buffer mechanism. The motor structure is connected to the gearbox. The lead screw has a part inside the gearbox and the other part outside. The telescopic tube has a nut screwed with the lead screw. The quick release mechanism inside the gearbox is coupled to a cylindrical coupling member and a worm gear. The cylindrical coupling member is rotated with the lead screw, and the worm gear is driven by the motor structure to clutch the cylindrical coupling member. The buffer mechanism is installed at the external periphery of the lead screw and between the nut and gearbox for absorbing impact forces.

Abstract: A dual-screw linear actuator includes an inner push tube, an outer push tube, a first nut part, and a second nut part. The outer push tube is sheathed on the inner push tube and axially movable on the inner push tube; the first nut part is coupled to the outer push tube and screwed to an inner screw which has a coupling disposed at a front end of the inner screw; the second nut part is coupled to the inner push tube and screwed to an outer screw, and the outer screw is hollow, and the coupling is sleeved into the outer screw for an axial movement. The inner screw drives the outer screw to rotate, such that the first and second nut parts can synchronously push the inner and outer push tubes to extend or contract, so as to improve the stroke of extension or contraction.

Abstract: An electrical cylinder controller with a rotational mechanism includes a box, a pivotal element, a fixing element, and a damping member; one end of the box has a hollow tube, the hollow tube internally has a restricting block; the pivotal element penetrates through the hollow tube, the pivotal element has a pivotal-connecting section and a protruding section elongating from the pivotal-connecting section, the external portion of the protruding section has a stopping block against the restricting block; the fixing element connects to the end portion of the protruding section; and the damping member female-connects to the external portion of the protruding section and is clamped between the hollow tube and the fixing element. Therefore, the effect of applying a force to the box for rotation is achieved.

Abstract: A linear actuator includes a housing, a motor, a decelerator and an actuating rod. The housing includes an outer sleeve, a motor sleeve, a connecting sleeve, and at least a motor bolt. The connecting sleeve is connected to one end of the outer sleeve, the motor bolt longitudinally penetrating the motor sleeve and connected to the connecting sleeve. The motor is arranged in the motor sleeve. The decelerator is arranged in the motor sleeve. The decelerator is connected to the motor. The actuating rod is arranged in the outer sleeve. The actuating rod is connected to the decelerator through the motor sleeve, and the actuating rod is driven by the motor through the decelerator. The elements of the linear actuator are thereby firmly assembled by simple structure.

Abstract: A collapsible power-driven table stand includes a supporting body of an elongated shape, a first stand having a first driving member and a plurality of first extendable rods driven by the first driving member to move axially relative to each other and a second stand having a second driving member and a plurality of second extendable rods driven by the second driving member to move axially relative to each other. The first diving member is pivotally attached to one end of the supporting body and the second diving member is also pivotally attached to another end of the supporting body in order to allow both the first and second stands to extend/collapse relative to the supporting body. Accordingly, the assembly of the collapsible power-driven table is simplified and the overall size thereof is reduced.

Abstract: A linear actuator (1) includes an electrical driving mechanism (10), a lead screw (20), an outer tube (30), a telescopic tube (40) and an arm driven mechanism (50). The arm driven mechanism (50) comprises an arm (51), a driving nut (52), a telescopic sleeve (53), a first washer (54), a nut-tube (55) and a second washer (56). The arm (51) is provided with a handle (511) and a sleeve (512), and the sleeve (512) links with the lead screw (20). An outer peripheral of the telescopic sleeve (53) provided with a plural of screws for screwing with the telescopic tube (40). The nut-tube (55) links with the driving nut (52) for moving together. When the handle (511) rotates, the linear actuator (1) can be operated.

Abstract: A linear actuator including a telescoping sleeve (100) is provided in the present disclosure. The telescoping sleeve (100) is included of an inner sleeve (110), an intermediate sleeve (120) sheathing the inner sleeve (110) and an outer sleeve (130) sheathing the intermediate sleeve (120). A base 200 connected to the intermediate sleeve (120); a motor (300) arranged on the base (200); a reduction worm gear (400) pivoted on the base (200) and driven by the motor; a rotor worm (500) pivoted on the base (200) and engaged with the reduction worm gear (400); a rotor worm gear (800) pivoted on the base (200); a stator worm (700) inserted in the rotor worm gear (800) and connected to the outer sleeve (130); and a stator nut (900) connected to the inner sleeve (110) and engaged with the rotor worm (500) are arranged in the telescoping sleeve (100).

Abstract: In an electric actuator (100), a fast releasing mechanism (30) includes a rotary base (31), a coupling ring (32), a sleeve (34), and a clutch device (36). The coupling ring (32) rotates with the rotary base (31). Locking slots (322) are disposed on the coupling ring (32). The rotary base (31) can rotate with respect to the sleeve (34). Chain slots (343) communicating with the locking slots (322) are disposed on the sleeve (34). The clutch device (36) is correspondingly sleeved around the sleeve (34). Raised ribs (361) slidably connected to the locking slots (322) and the chain slots (343) are disposed on the clutch device (36). The sleeve (34) can be selected to move together with or move separately with the rotary base (31) by means of the axial movement of the clutch device (36).

Abstract: An actuator with a position detection mechanism includes a main body, a transmission mechanism, a quick-release mechanism and a position detection mechanism. The transmission mechanism includes a worm gear with protruding keys and a lead screw shaft. The quick-release mechanism is mounted onto the lead screw shaft and includes a clutch gear with key slots for disengaging or engaging with the protruding keys in order to move axially relative to the worm gear. The position detection mechanism includes a variable resistor, an actuating gear mounted on the lead screw shaft to rotate altogether therewith and a driving gear connected to the variable resistor and engaged with the actuating gear. When the worm gear disengages from the clutch gear, a particular resistor value is formed at the variable resistor; therefore, disengaged or engaged positions of the worm gear and the clutch gear can be precisely controlled.

Abstract: A power supply device for a linear actuator apparatus, which includes a control module and a battery module. The power supply device further provides a battery module including a box, a primary power supply unit and a standby power supply unit. The box has a first chamber, a second chamber and a separating plate formed between the first chamber and the second chamber. The primary power supply unit is provided in the first chamber. The standby power supply unit is provided in the second chamber.

Abstract: A linear actuator includes a housing (100), a base plate (200) disposed in the housing (100), and two actuating mechanisms (310, 320) disposed on the base plate (200) and received in the housing (100). Each actuating mechanism (310/320) comprises a motor (311/321), a transmission assembly (312/322), a screw rod (313/323), and a supporting block (314/324). Two motors (311, 321) and two transmission assemblies (312, 322) are disposed on the base plate (200). Two motors (311, 321) are kinetically connected to two assemblies (312, 322), respectively. One end of the screw rod (313/323) is connected to and rotated by the transmission assemblies (312/322). The other end of the screw rod (313/323) is screwed to the supporting block (314/324). Thus, two supporting blocks (314, 324) are driven to move in the housing (100).

Abstract: A standby battery box for an electric cylinder is electrically connected to a control box for driving the electric cylinder and includes a charge-discharge device and a rechargeable battery. The charge-discharge device includes a protection unit, a power conversion unit, a voltage detection unit, a control unit, a discharge unit, a display unit, and a switch unit. The rechargeable battery is electrically connected to the charge-discharge device. When a startup switch of the switch unit is pressed, the charge-discharge device delivers the electricity of the rechargeable battery into the control box. When a shutoff switch of the switch unit is pressed, the charge-discharge device does not supply power, thereby protecting the standby battery box from being exhausted.