34results about How to "Automatic reset" patented technology

Buckles (b1 to b4) are each provided with a stopper (S1 to S4). A pair of uptake rollers (W, W1); (W, W2); (W2, W3); (W3, W4), to supply paper to the buckles, and a pair of discharge rollers (W, W2); (W2, W3); (W3; W4); (W4, W5), to fold the portion of the paper discharged outside the buckles, are disposed at each buckle inlet. The discharge roller for a previous buckle simultaneously functions as the uptake roller for the next buckle, and the paper is sequentially introduced into the buckles and folded into a bellows form. Stopper drive mechanisms (d1 to d4) are integrally controlled by a control unit (C). The control unit receives input for the value of the difference in length between the last folded piece and the remaining folded piece of a bellows-folded paper in which a folding error has occurred, divides the length difference by the number of buckles, and sends control instructions to slide the stoppers in the same direction as the buckle inlet (e) relative to the stopper drive mechanisms for the length obtained by division in order to make the length difference zero.

A method and an arrangement (15) for detecting the actuation of an operator-controlled element (1) make possible a reliable detection of an operator-controlled function to be activated by the operator-controlled element (1) independently of environmental and wear conditions. The operator-controlled element (1) can be actuated with different adjustable degrees of actuation. Various operator-controlled functions of the operator-controlled element (1) are realized in dependence upon the degree of actuation. The operator-controlled element (1) is actuated against a spring force and at least two degrees of actuation are characterized by different spring constants. The at least one of the operator-controlled functions of the operator-controlled element (1) is detected in dependence upon the spring constant assigned to the instantaneous degree of actuation.

The invention relates to a platform cabinet, in particular to a platform cabinet for wisdom education. According to the platform cabinet for intelligent education, the height and angle of a display screen can be adjusted conveniently, and teachers can use the platform cabinet conveniently. In order to solve the technical problem, the platform cabinet for intelligent education provided by the invention comprises a platform, a sliding frame, a compression spring, a swinging seat, a limiting plate, a touch display screen and the like, an adapting groove is formed in the middle of the top of the platform, a sliding frame is slidably connected to the middle of the upper portion of the platform, a compression spring is connected between the sliding frame and the inner top of the platform, and swing seats are rotatably connected to the left side and the right side of the sliding frame. The touch display screen can be lifted so as to adapt to people of different heights, the rotating angle of the touch display screen can be adjusted through the swing base, and it can be guaranteed that people are at a good watching angle.

This application relates to a battery welding machine, which includes a housing and a welding machine circuit installed in the housing. An exhaust fan is installed on one side wall of the housing. The air inlet of the exhaust fan communicates with the inner cavity of the housing. The outside world is connected, and the first cover covering the air outlet of the exhaust fan is installed on the outer wall of the shell. A dust filter that blocks outside dust from entering the air vent. When the battery welder is not in use, the first cover is set on the exhaust fan, and the external dust cannot enter the shell through the exhaust fan. When the battery welder is in use, the first cover is opened, so that the exhaust fan can go out normally. Exhaust air; in addition, the dust filter itself has a dust-blocking effect, so no matter whether the battery welder is working or not, the dust is not easy to enter the casing through the dust filter, so that the battery welder is not easily disturbed by dust when it is used outdoors.

The invention discloses a high-efficiency stripping device for electric wires used in electric power construction. Its structure includes a moving wheel, a support frame, a working box, an inlet, a collection box, a stripping device, and a base. The bottom of the base is equipped with a moving wheel, and the base is provided with a collection box. , There is a work box above the collection box, the side of the work box is fixedly connected with the base through the support frame, there is an entrance on the side of the work box, and the stripping device is composed of a pedal pushing mechanism, a transmission mechanism, a synchronizing device, a moving device, a winding mechanism, a stripping mechanism Composed of a removal mechanism and a reset device, the present invention is a high-efficiency wire stripping device for electric power construction, which can complete the wire stripping work through simple steps, saves time and effort, improves work efficiency, and can generate cutting power through the operation of the pedal. The transmission mechanism can transmit the power to the working box for shearing, the synchronous device can ensure the stability of the shearing bite, and the reset device is convenient for the next shearing operation.

The invention discloses a special linear type conveying device. The special linear type conveying device comprises a guide rail, a conveying device, a base arranged on the guide rail and a conveying plate arranged on the base. The conveying device comprises a motor and a gear. A rack is arranged on the side face of the guide rail. The conveying device is provided with the gear matched with the rack. The motor is arranged on the base. The motor is connected with the conveying device and drives the gear of the conveying device to rotate. The gear drives the base to move through the motor. The overall conveying process of the special linear type conveying device can be controlled just by controlling turn-on and turn-off of the motor. Meanwhile, the motor of the special linear type conveying device can rotate forwards and reversely. Thus, after using, the special linear type conveying device can automatically conduct restoration.

The invention relates to auxiliary equipment for rapid orthopaedic correction. The auxiliary equipment comprises a base; a shoulder and neck seat is arranged at the top of the base; the shoulder and neck seat is rotatably connected with one end of the base through a hinge; a sliding groove is formed in the middle of one side of the base, wherein a sliding block is arranged in the sliding groove; alead screw penetrates through the interior of the sliding groove; one end of the lead screw penetrates through the interior of the base and extends to the outer side; and sliding rod grooves penetrate through the two sides, close to the sliding groove, of the base. According to the auxiliary equipment for rapid orthopaedic correction, when a transmission rod rotates, the transmission rod drives an ejector rod to extend out of or retract into an ejector rod groove through cams, the adjacent cams with opposite semi-major-axis directions can drive the ejector rod to intermittently and alternately extend out of or retract into the ejector rod groove, and the shoulders and the neck of a patient can be massaged conveniently; and the shoulders and the neck of the patient are automatically massaged through the ejector rod arranged on the shoulder and neck seat, and the patient can be effectively assisted in rapid correction.

The present invention relates to a controllable intelligent magnetorheological pulse generator. The generator comprises an upper chamber A, a lower chamber B, a piston (22) and an elastic body (23) which are located inside the chambers respectively; the housing (21) and the piston (22) of the chamber B (20) are formed by solidifying magnetizers (17) and a plurality of magnetic separation bodies (18); a gap between the chamber B (20) and the piston (22) is filled with a magnetorheological fluid; the housing (21) outside the chamber B (20) is wound with an electromagnetic coil (19) which is connected with alternating current; a magnetic field generated by the electromagnetic coil (19) passes through vertically a gap between the top of the chamber B (20) and the piston (22); the elastic body(23) is located in the chamber A (10); and one end of the elastic body (23) is connected with the upper end portion of the piston (22), and the other end of the elastic body (23) is connected with thetop of the chamber A (10). According to the controllable intelligent magnetorheological pulse generator of the invention, the strength of the magnetic field can be changed through changing the magnitude of current, so that the stiffness and damping of the magnetorheological fluid can be changed, and the top output waveforms of the chamber A can be controlled to be pulse waveforms.

The invention discloses an erosion-resistant normally open internal blowout prevention valve, comprising a valve body, an upper valve seat and a lower valve seat fixed in the valve body, a sliding sleeve slidingly fitted in the upper valve seat, and a sliding sleeve fixed in the upper valve seat. The valve core under the sliding sleeve, the upper valve seat and the lower valve seat both have flow passages, a first elastic piece is arranged between the top of the sliding sleeve and the inner top surface of the upper valve seat, and a first elastic piece is arranged between the bottom of the valve core and the top of the lower valve seat The second elastic member, the side wall of the sliding sleeve is provided with a number of leakage channels, the bottom of the inner side wall of the upper valve seat is provided with a first sealing surface, the outer wall of the valve core is provided with a second sealing surface matching the first sealing surface, and the second sealing surface is located in the drain Below the flow channel; when there is no external force, the first sealing surface is not in contact with the second sealing surface. One of the technical problems solved by the present invention is that the sealing surface of the existing inner blowout preventer is easily damaged and fails, so that the erosion degree of the sealing surface can be reduced and the inner blowout preventer can be extended under the premise of ensuring the normally open operation of the inner blowout preventer. purpose of service life.

The invention discloses a portable convenient-to-transport device. The portable convenient-to-transport device comprises a guide rail, a transport device, a base arranged on the guide rail and a transport plate arranged on the base, wherein the transport device comprises a motor and a gear, a rack is arranged on the side surface of the guide rail, the gear matched with the rack is arranged on thetransport device, a motor is arranged on the base, the motor is connected with the transport device and drives the gear of the transport device to rotate, and the gear drives the base to move throughthe motor. According to the portable convenient-to-transport device, the overall transport process can be controlled, only starting and closing of the motor need to be controlled, and meanwhile, the motor can rotate forwardly and reversely, so that the motor can be automatically reset after the motor is used.