34results about How to "The transmission relationship is simple" patented technology

The invention relates to a humanoid robot, which is a movable mechanical device consisting of a head, a body part, arms and legs, and is matched with a circuit control system and a sensing system to realize humanoid movement. Each moving joint of the humanoid robot is realized by closely matching a motor output torque with each movable member. The humanoid robot can be used for finishing various types of operation instead of people and expanding the capabilities of human beings on multiple aspects, and can be widely applied to a plurality of fields such as service, medical treatment, education, entertainment and the like.

The invention discloses a pressure locking mechanism of a passenger plane cabin door. The pressure locking mechanism is provided with ventilation opening assemblies hinged with a cabin door structure, a connection rod, and a fork-shaped piece hinged with the cabin door structure; a four-rod structure is formed by the ventilation opening assemblies, the connection rod, the fork-shaped piece and the cabin door structure; an upper idler wheel and a lower idler wheel are arranged at the fork-shaped end parts of the fork-shaped piece respectively, and a cam-swing rod mechanism is formed by the fork-shaped piece and a cam; the cam is coaxially connected with a handle of the cabin door; ventilation opening rotary shafts on the ventilation opening assemblies 1 are provided with torsion springs; one end of each torsion spring acts on the corresponding ventilation opening assembly and the other end of each torsion spring acts on the cabin door structure; and the ventilation opening assemblies are prone to open by torsion spring force. The locking mechanism is used for a ventilation opening pressure lock mechanism on the passenger plane cabin door; and the mechanism has the advantages of good safety, high commonality, small occupying space, high part utilization rate and light weight.

The invention provides a multi-joint service robot arm which can achieve translational decoupling along the Z direction; the structure of the arm uses a U RR+R type which consists of a shoulder joint which has two swing pairs, an elbow joint which has a swing pair, a wrist joint which has a rotation pair and a swing pair, a large arm which is connected between the shoulder joint and the elbow joint, a small arm which is connected between the elbow joint and the wrist joint, and paws which are connected with the wrist joint; the shoulder joint comprises a parallelogram mechanism and a shoulder connecting body; the driving arm of the shoulder joint is connected with a motor connecting shaft sleeve which is connected with the motor output shaft; the shoulder connecting body is arranged on the connecting arm of the parallelogram mechanism; the shoulder connecting body comprises a bracket which consists of a supporting plate and a supporting angle aluminium; the bracket is connected with a shoulder actuator and a transmission plate; the actuator is fixed on the bracket; the shoulder transmission plate is connected with the bracket; the actuator output shaft is connected with the transmission plate; the transmission plate is connected with one end of the large arm.

The invention provides a conveying device capable of regulating and controlling height of a transmission roller. The conveying device comprises a rack which is divided into a front bracket and a rear bracket, wherein the front bracket and the rear bracket are symmetrically arranged; the upper ends and the lower ends of the front bracket and the rear bracket are connected through transverse rods; a front roller is arranged on the front bracket; an adjusting roller is movably connected to the rear bracket; a balancing device for balancing the stressing condition at the height of the adjusting roller is connected to the adjusting roller. The conveying device further comprises a driving device for regulating and controlling the height of the adjusting roller. The conveying device is simple in transmission relationship, convenient to operate, applicable to the conveying of various materials, and realizes high-precision height adjusting of the adjusting roller.

The invention provides a rotary and stepping torsional-vibration composite-motion mechanism, comprising an axle A, a rotary cylinder, a main axle, an oscillating bar and an axle B parallel to an axial line in the rotary cylinder. The axle A and the main axle are respectively positioned at the upper side and the lower side of the rotary cylinder and are positioned on a central axial line of the rotary cylinder at the same time; one end of the axle A is fixedly connected with a first pulley, and the other end is fixedly connected with the rotary cylinder; a second pulley and a gear A are hollowly sleeved on the axle A between the first pulley and the rotary cylinder; a gear B is engaged outside the gear A; and one end of the axle B is fixedly connected with the gear B, and the other end is fixedly connected with a double eccentric cam. The composite-motion mechanism has the advantages of simple transmission, compact structure, less quantity of components, and is easy to adjust the high speed ratio, the speed and the torsional vibration frequency with convenient adjustment of amplitude of the torsional vibration.

The invention relates to a variable-pitch aviation power system characteristic and control experiment platform. The variable-pitch aviation power system characteristic and control experiment platformis composed of a rod position input module, a data acquisition module, a data processing and control module, a variable-pitch power device module and an LCD display module. The rod position input module is used for inputting a control signal, and the data acquisition module is used for outputting potential signals to an AVR single-chip microcomputer for processing through several built-in sensors.The data processing and control module processes electric signals collected by the sensors and outputs measurement parameters, in addition, the controller outputs two paths of control signals to control a steering engine and an electronic speed controller of the variable-pitch propeller electrodynamic force device respectively, and accelerator adjustment and propeller pitch adjustment are achieved. The LCD is used for displaying the measurement parameters and the rod position value. Compared with a traditional large variable pitch propeller experiment device, the platform has the advantages of being lighter, more flexible, easy to demonstrate by teachers, easy to operate by students and the like, and in addition, the platform further has scientific research value of identifying nonlinearand linear models of the variable-pitch propeller electrodynamic force device.

The invention relates to a threading machine. The threading machine comprises a machine body and a driver, wherein the machine body is internally provided with a transmission component; the driver isin transmission connection with the transmission component; the upper end of the machine body is provided with a threading guiding component; the threading guiding component comprises a left synchronous belt and a right synchronous belt; a left driving pulley and a right driving pulley arranged longitudinally are arranged on two sides of the upper end of the machine body respectively; a left driven pulley is arranged on the right side of the left driving pulley at the upper end of the machine body, and a right driven pulley is arranged on the rear side of the right driving pulley at the upperend of the machine body; the synchronous belt is arranged outside the left driving pulley and the left driven pulley; the right synchronous belt is arranged outside the right driving pulley and the right driven pulley; and a gap between the left synchronous belt and the right synchronous belt serves as a threading gap. According to the threading machine, the synchronism of a traction threading lead is high, synchronous traction of a cable is carried out through mutual clamping of the left synchronous belt and the right synchronous belt, in the transmission process, power needs to be output tothe left driving pulley and the right driving pulley, and the left driven pulley, the right driven pulley, an additional left intermediate pulley and an additional right intermediate pulley are drivenby the synchronous belts.

The invention discloses cardiovascular and cerebrovascular rehabilitation treatment equipment. The cardiovascular and cerebrovascular rehabilitation treatment equipment comprises a bed board body, supporting leg assemblies and upper vertical column assemblies. The upper vertical column assemblies are provided with pulleys, rotatable back plates and leg plates are arranged at the two ends of the bed board body, hand-cranking devices capable of winding wire ropes are arranged on the middle part of the bed board body, the wire ropes are connected to the two ends of the back plates and the two ends of the leg plates after passing through the pulleys, the wire ropes connected to the back plates and the leg plates are wound by the hand-cranking devices to realize the rotation and lifting and lowering of the back plates and the leg plates so as to realize the rehabilitation treatment of limbs of cardiovascular and cerebrovascular patients; treatment leg bands are arranged, affected limbs withnerve or vascular problems can be subjected to compression type treatment; key accessories are mostly composed of common accessories in the market, the principle is simple, work is reliable, and thecost is low; the whole is of a bed-type structure, for people who have difficulty in moving, lying-in-bed self-rehabilitation treatment exercises can be achieved; brake universal casters are arrangedat the bottom, so that the cardiovascular and cerebrovascular rehabilitation treatment equipment is moved and fixed conveniently during use; and a treatment leg band structure can further be of an electric structure, so that a patient operates for treatment more conveniently.

The invention discloses an open-type low-speed high-flow radial plunger pump, which comprises a bracket and a crankshaft, wherein an eccentric section around the crankshaft is provided with a plurality of double-acting cylinders which are uniformly distributed; the bottom of each double-acting cylinder is hinged with the bracket; a piston rod of each double-acting cylinder is connected with the eccentric section of the crankshaft through a rotatable connecting structure; a rod cavity oil port and a rodless cavity oil port of each double-acting cylinder are connected through two groups of parallel one-way valves; each group of one-way valves comprises two one-way valves; the two one-way valves in one group are arranged opposite to each other, and the two one-way valves in the other group are arranged back to each other; the middle position of two one-way valves which are arranged back to each other is connected with an oil outlet pipe; and a middle position of two one-way valves which are arranged opposite to each other is connected with an oil inlet pipe. The open-type low-speed high-flow radial plunger pump has the advantages of simple structure and transmission relationship, low cost and fault rate and high power acquisition rate and operating efficiency.

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle brake control system which comprises a brake distributor, a first brake mechanism, a secondbrake mechanism, a brake pipeline, a brake pressure regulating control system and a brake distributor control system; wherein the first brake mechanism and the second brake mechanism are connected with the brake distributor; the brake distributor is provided with a first adjusting valve and a second adjusting valve, the first brake mechanism is connected with the first adjusting valve, the secondbrake mechanism is connected with the second adjusting valve, and the brake pressure regulating control system is connected with the brake distributor through a brake pipeline; and the brake distributor control system is connected with the brake distributor, so that the problem of unmanned control of the brake system in the process of changing a Nanchang Y-5 plane into the unmanned aerial vehiclesystem is solved.

The invention discloses a gearbox for a spraying machine. The gearbox comprises a box body which is internally provided with a power input shaft, a first transmission shaft, a second transmission shaft, a third transmission shaft and a power output shaft; the power output shaft is fixedly provided with a first gear; the first transmission shaft is provided with a second gear, a reverse sliding sleeve and a reverse gear; the second transmission shaft is provided with a third gear, a fourth gear, a second sliding sleeve, a fifth gear, a first sliding sleeve and a sixth gear; the third transmission shaft is fixedly provided with a ninth gear, a eighth gear and a seventh gear; and the power output shaft is slidably provided with a duplex gear. The gearbox can meet the walking condition and theworking condition and is good in applicability, and application of the gearbox can be wider; the structure of the gearbox is compact, and noise is low; the gearbox can achieve self lubrication, and the part universality of the gearbox can be improved; and the gearbox can achieve gear engaging operation easily, gear disengagement is not prone to occurring, and the gearbox can achieve gear engagingthrough a flexible shaft.

The invention discloses a method and a device for data backup in 3DC through incremental snapshots and a medium, and the method comprises the steps: transmitting newly added data in a production volume to a city-wide disaster backup center; obtaining a corresponding forward incremental snapshot according to the newly added data and storing the forward incremental snapshot in the target volume; andtransmitting the forward incremental snapshot of the target volume to a remote disaster backup center. According to the method, the corresponding forward increment snapshot is obtained according to the newly added data of the production volume and is stored in the target volume; the forward incremental snapshot of the target volume is transmitted to a remote disaster backup center; in the prior art, during parallel connection, a production volume of a production center provides main volumes of two transmission relationships of backup data for disaster backup centers in the same city and disaster backup centers in different places; when the disaster recovery volumes are connected in series, the first disaster recovery volume of the disaster backup center in the same city is a target volumeof one transmission relationship and a main volume of another transmission relationship, so that the data transmission relationship becomes simple, and the logic processing difficulty of the data transmission relationship is reduced.