31results about How to "Stable output force" patented technology

The invention discloses a light active and passive combined lower-limb power-assisted exoskeleton robot. A back and a waist are arranged up and down; a waist bundling connecting piece on the waist is connected with a back supporting piece on the back; hip joint rotary shafts on hip joints are hinged to waist hip connecting pieces on the waist; a spring upper pressing plates on the hip joints are connected with a spring adjusting plate; the spring adjusting plate is positioned at the upper end of the back supporting piece and is connected with the back supporting piece; leading pulley seats are fixedly connected with a waist fixing plate on the waist; the upper ends of thighs are hinged to connecting plates on the hip joints through leg hip connecting shafts; steel wire fixed parts on the hip joints are fixedly mounted on outer walls of thighs; the lower ends of the thighs are hinged to the upper ends of knee joint supporting shells through knee joint connecting shafts; a motor encoder, a motor, a speed reducer, a coupler and a lead screw are sequentially arranged in a knee joint from top to bottom; the upper end of shanks are connected with the knee joint supporting shells; and the lower ends of the shanks are hinged to feet through foot joint shafts. The light active and passive combined lower-limb power-assisted exoskeleton robot is used for military loadbearing.

A concrete floor leveling device includes a transmission device and a power source is located in a body and connected to wheels which are connected to the body. A connection unit is connected to the body and a blade is connected to the body by the connection unit. The power source outputs a stable power to drive the blade to level the concrete floor and to ensure that the blade levels the concrete floor with even force.

The invention discloses a twin-turbine internal combustion engine. The twin-turbine internal combustion engine is characterized in that a power shaft is in contact with left and right turbine racks for supporting through a sliding bearing, the power shaft is in contact with a housing through a rolling bearing, the power shaft and a ratchet fly wheel are in bonding through a ratchet fly wheel key, a round steel plate and turbine discs are fixedly connected to arc-shaped cylinders of turbines through screws, a cylinder sleeve is arranged in each cylinder, a piston is mounted at one end of an arc-shaped cylinder of the piston, a piston ring is arranged next to the piston, the other end of the arc-shaped cylinder is propped against a cylinder cover, an exhaust valve is arranged on the cylinder cover, oil injection holes are formed in the periphery of the exhaust valve, an inlet valve is arranged on the piston, and water spray holes are formed in the periphery of the inlet valve. The twin-turbine internal combustion engine disclosed by the invention solves the problem of high internal combustion waste heat and severe pollution. The twin-turbine internal combustion engine is small in noise, small in vibration and long in service life. The power shaft is straight, the output force is steady, the weight of the twin-turbine internal combustion engine is half of that of a crankshaft internal combustion engine, and the effective work can reach 90%.

The invention relates to a fully-automatic glass breaking-off device. The fully-automatic glass breaking-off device comprises a breaking-off mechanism, a scrap guiding mechanism, a glass supporting mechanism and a limiting induction mechanism. According to the fully-automatic glass breaking-off device, a whole sheet of glass can be subjected to edge and sheet breaking-off operation, and thus, theprocess requirements on production of glass of small sheets of certain specifications are met; when one edge of the whole sheet of glass is subjected to vertical downward edge breaking-off action, a single edge breaking-off cylinder is used for providing a downward acting force, output power is stable, a cylinder output speed can be rapidly and conveniently regulated, and the edge breaking-off action is reliable; a proximity switch is adopted as a control element for the edge and sheet breaking-off operation, thus, positions, relative to the whole sheet of glass, of cutter blades can be accurately controlled, the glass is subjected to the edge and sheet breaking-off operation after the cutter blades move to proper positions, and thus, the operability is good while the locating accuracy ishigh; glass scraps generated during the edge and sheet breaking-off operation of the glass are subjected to timely collecting treatment through the scrap guiding mechanism, meanwhile, a glass trolleyis ingenious in structural design, and thus, the operability of pouring of the glass scraps by working personnel is improved.

The invention relates to the technical field of linear switched reluctance motor control, in particular to a force control method and a force control system of a linear switched reluctance motor. The method comprises the steps that in the process that the linear switched reluctance motor approaches a machining target, obtaining the actual position, speed and current of the linear switched reluctance motor; judging whether the linear switched reluctance motor reaches or exceeds a preset contact condition according to the actual position and the speed condition; when the judgment result is yes, indicating that the linear switched reluctance motor is in contact with the target; and after the linear switched reluctance motor is in contact with the target, limiting the output force of the linear switched reluctance motor according to the output strategy, and then controlling the output of the force. According to the force control method and system of the linear switched reluctance motor, after the linear switched reluctance motor reaches the contact condition, the linear switched reluctance motor enters the force control mode, and the output force is limited by limiting the output current of the motor, so that the output force of the motor and the target is stable, and the force control effect is achieved.

The invention discloses a movable arm energy-saving system adopting a variable-diameter balanced hydraulic cylinder. The movable arm energy-saving system comprises the variable-diameter balanced hydraulic cylinder, a first original movable arm hydraulic cylinder and a second original movable arm hydraulic cylinder, wherein a rodless cavity of the first original movable arm hydraulic cylinder is communicated with a rodless cavity of the second original movable arm hydraulic cylinder; a rod cavity of the first original movable arm hydraulic cylinder is communicated with a rod cavity of the second original movable arm hydraulic cylinder; the variable-diameter balanced hydraulic cylinder is connected with a pressure gauge; the variable-diameter balanced hydraulic cylinder comprises a shell, an elastic diaphragm is arranged in the shell, a push rod with an inclined surface is arranged below the elastic diaphragm, and the push rod is connected with a piston; the piston is connected with a piston rod; an energy accumulation cavity is arranged above the elastic diaphragm, and a first adjustment cavity is arranged between the elastic diaphragm and the piston; a second adjustment cavity is arranged below the piston; and the first adjustment cavity is communicated with the second adjustment cavity. The movable arm energy-saving system disclosed by the invention is capable of providing a stable additional force for a movable arm, thus realizing efficient reutilization for the recovered energy.

The invention provides a disc brake of an anti-deflection double-push-rod thrust mechanism. The disc brake of the anti-deflection double-push-rod thrust mechanism comprises a caliper body and the double-push-rod thrust mechanism, the double-push-rod thrust mechanism comprises a thrust seat, and first guide bosses are arranged on the upper portion and the lower portion of an inner cavity of the caliper body correspondingly; and second guide bosses are also arranged at the position corresponding to the installation of the thrust seat, the thrust seat is supported on the first guide bosses of theinner cavity of the caliper body through the second guide bosses to achieve guide, the thrust seat can only slide in the cavity of the caliper body in the thrust direction, and the thrust seat cannotdeflect and rotate, and deflection force borne by the thrust mechanism is transmitted to the inner cavity of the caliper body through the thrust seat and borne by the caliper body, so that output force of the thrust mechanism is stable, and reliability of parts is improved.

The invention relates to a telescopic motor capable of accurately controlling the extension length of a main shaft and application of the telescopic motor. The telescopic motor comprises a machine shell, a motor body, a top disc, a bottom disc, a lead screw, the main shaft and a piston, wherein the motor body, the top disc, the bottom disc, the lead screw, the main shaft and the piston are arranged in the shell. The motor is fixedly connected with the top disc, and lead screw penetrates through the piston and is in threaded connection with the piston; the upper end and the lower end of the lead screw are connected with the top disc and the bottom disc respectively, an output shaft of the motor is in transmission connection with the upper end of the lead screw, the top end of the main shaft is fixedly connected with the bottom face of the piston, and the bottom end of the main shaft penetrates through the bottom disc and then extends out of the machine shell. According to the invention, a servo motor is matched with a gear reducing mechanism and the lead screw, so that the axial action of the motor spindle can be accurately controlled, namely the extension length of the spindle can be accurately controlled. According to the servo motor, the gear reducing mechanism is matched with the lead screw, so that the motor has large rated load; meanwhile, the gear reducing mechanism is matched with the lead screw, so that the motor has stable output force; and the gear reducing mechanism is matched with the lead screw, so that the motor has a large main shaft stroke and a long telescopic stroke.

The invention provides an energy storing outputting mechanism applied to a spring operating mechanism. The energy storing outputting mechanism comprises a frame body, a rotating shaft which is arranged at one end of the frame body, and an output connecting lever which is arranged at the other end of the frame body; an energy storing biasing part sleeves the rotating shaft; a reducing structure of which the radius is gradually varied from long to short is also arranged on the rotating shaft and integrally rotated with the rotating shaft. The energy storing outputting mechanism further comprises a transmission chain or rope, wherein the transmission chain or rope is arranged about the sidewall of the outer edge of the reducing structure; one end of the transmission chain or rope is connected with the reducing structure, and while the other end is connected to the output connecting lever. With the adoption of the energy storing outputting mechanism with such structure applied to the spring operating mechanism, the problem that the output force of the outputting mechanism of the spring energy storing mechanism in the prior art is reduced to cause unreliable closing and enable an energy storing spring to be easily fatigued when the spring releases energy can be solved; the energy storing outputting mechanism meets the closing curve of a switch when closing the switch, the service life of the energy storing spring is prolonged, and reliable closing is ensured.