32results about How to "Short drive path" patented technology

The invention discloses a boring-milling machine, comprising a spindle box, a boring shaft, a milling shaft and a servo motor. The power of the servo motor is transmitted to the boring shaft and the milling shaft by a main transmission system. The boring shaft is a middle transmission shaft between the milling shaft and the servo motor. The boring-milling machine can lower the cost, simplify the transmission system, ensure low damage possibility of the transmission system, prolong the service life of the machine tool, simultaneously optimize the motor power and save the energy.

The invention provides a design scheme of a coaxial type bending and twisting simultaneous transmission control surface transmission mechanism, and aims to solve inherent defects of a common pull rodrocker arm type control surface transmission mechanism for airplanes adopting airfoils with medium and above thicknesses. The mechanism is characterized by comprising a steering engine, a steering engine mounting rib, a needle bearing, a check ring, a coupler, a transmission spline, a control surface, a knuckle bearing, a rotating shaft pin, a control surface mounting rib and a machine body rear beam, wherein the steering engine is connected with the coupler, the needle bearing is arranged on the coupler, a check ring bearing is arranged on the outer side of the needle bearing, the check ringbearing is provided with the steering engine mounting rib, the steering engine mounting rib is connected with the transmission spline, one side of the transmission spline is the control surface, the control surface is provided with the rotating shaft pin, the rotating shaft pin is connected with the knuckle bearing, the knuckle bearing is connected with the control surface mounting rib, and the control surface mounting rib is connected with the machine body rear beam.

The invention discloses an intelligently controlled four-axis variable linear equal thickness vibrating screen. The screen includes a screen box, a vibrating screen mesh, vibration damping springs, screen box supports, vibration exciters, a sensor, an integrated operational amplifier, a digital signal analyzer and an intelligent controller. The vibrating screen mesh is located at the bottom of thescreen box. The screen box is connected to the screen box supports through the vibration damping springs. Each vibration exciter consists of a variable frequency motor and a drive shaft with an eccentric block. Each driving shaft is connected to the corresponding variable frequency motor through a flexible coupling. The sensor is connected to the integrated operational amplifier through a data transmission line. The integrated operational amplifier is connected to the digital signal analyzer through a data transmission line. The digital signal analyzer is connected in series with the intelligent controller and the variable frequency motor to form a closed-loop feedback control system. A vibration exciting source of the four-axis variable linear equal thickness vibrating screen is directlyadjusted through the feedback control system, the vibration condition can be automatically adjusted without the adjustment of external vibration exciting force to make the four-axis variable linear equal thickness vibrating screen in an ideal working state to improve the screening efficiency.

The invention relates to a fall plate assembly (1) for a warp knitting machine. The fall plate assembly (1) is provided with a fall plate (2) extending in parallel to a shifting direction (3); and a fall plate driver (7) driving the fall plate (2) in a moving direction (4) which is perpendicular to the shifting direction (3). The invention aims to make it possible that the fall plate can be driven without relatively large consumption and the working speed can be relatively high. Therefore, the fall plate driver (7) is configured to have a drive element (5) which can move in the shifting direction and act on the fall plate through steering assemblies (8-10).

The invention relates to a modular design gearbox and a gear implementation method. The gearbox comprises a box body, a driving shaft, four middle shafts and an output shaft. The gearbox is of a six-shaft layout. The driving shaft S1, the middle shaft S4 and the middle shaft S5 are each provided with two clutch bags, and the middle shaft S2 is provided with one clutch bag. By means of the structure, the transmission path is short, and stability is better. By means of the six shafts and the seven clutches, the gearbox can achieve the mode of up to 8 forwarding gears and 4 backward gears, the speed ratio range is wide, and the gearbox can be adjusted flexibly, the less-gear mode can be achieved by reducing part of components, modularization is achieved, universality is improved, and the production cost and using cost of the gearbox are reduced. Meanwhile, the forwarding gear is achieved by combining two clutches and conducting gear engagement four times, the backward gear is achieved bycombining two clutches and conducting gear engagement three times, the transmission path is short, and reliability is high.

The invention discloses a milling machine, comprising a spindle box, a first milling shaft, a second milling shaft and a servo motor. The power of the servo motor is transmitted to the first milling shaft and the second milling shaft by a main transmission system. The first milling shaft is a middle transmission shaft between the second milling shaft and the servo motor. The milling machine can lower the cost, simplify the transmission system, ensure low damage possibility of the transmission system, prolong the service life of the machine tool, simultaneously optimize the motor power and savethe energy.

The invention relates to a dynamic coupling control device. The dynamic coupling control device comprises is used for selectively putting through or breaking the transmission connection of a driving mechanism and a transmission system of a vehicle and comprises an actuating motor, an actuating gear, a supporting seat, an actuating piece and a stop piece; the actuating gear comprises a barrel-shaped shaft part and a gear part in transmission connection with the actuating motor; the shaft part is rotationally supported on the supporting seat, is fixed relative to the supporting seat in the axialdirection and can rotate relative to the supporting seat; the shaft part is sleeved with the actuating piece and is in screw-thread fitting with the actuating piece; the actuating piece and the supporting seat are located on the two opposite sides in the radial direction of the shaft part; and the stop piece is connected fixedly with the supporting seat and is connected with the actuating piece,so that the rotation movement of the actuating piece relative to the supporting seat is stopped. The dynamic coupling control device is simple in structure, high in control precision and high in reliability.

The invention discloses a quick-unlocking lock body, and relates to the technical field of locksets. The quick-unlocking lock body comprises a main spring bolt and an inclined spring bolt, the main spring bolt is connected with a lock plate, the main spring bolt is connected with a main lock shifting piece through the lock plate, the main lock shifting piece is movably connected with a gear shifting piece, and the inclined spring bolt is connected with an inclined tongue shifting piece. The gear shifting piece and an inclined spring bolt shifting piece are both driven by a lock head shifting block, the lock head shifting block is driven by a lock head shifting wheel, the lock plate is provided with a first sliding groove and a second sliding groove, the forming direction of the first sliding groove is consistent with the stretching and retracting direction of the main spring bolt, and the lock plate is connected with the main lock shifting piece through the second sliding groove. The lock head shifting block is located between the gear shifting piece and the inclined spring bolt shifting piece. According to the quick-unlocking lock body, the problems of long unlocking waiting time and high power consumption can be solved.

The invention relates to the technical field of mechanical structure transmission, and particularly discloses a fine adjustment mechanism. The fine adjustment mechanism comprises an operating handle,a transmission shaft, a damping structure, a unidirectional transmission mechanism, a fine adjustment knob and a rotation angle acquisition module; the operating handle is connected with one end of the transmission shaft; the damping structure is arranged on the transmission shaft; the unidirectional transmission mechanism is connected with the damping structure; the fine adjustment knob is arranged on the unidirectional transmission mechanism; the rotation angle acquisition module is arranged on the transmission shaft; when the fine adjustment knob rotates, the fine adjustment knob can drivethe one-way transmission mechanism to rotate, the rotation of the one-way transmission mechanism can drive the transmission shaft to rotate through the rotation of the damping structure, and the rotation of the transmission shaft can drive the operation handle to rotate; and the rotation angle acquisition module is in communication connection with the controller. The invention also discloses an accelerator control system. The fine adjustment mechanism has the advantages of higher stability and a short transmission path.