64results about How to "With self-locking feature" patented technology

The invention relates to a novel hexapod bio-robot. The novel hexapod bio-robot comprises a body platform and six modular mechanical feet with the same structure, wherein the body platform is a rack for connecting the six mechanical feet. The novel hexapod bio-robot is characterized in that the body platform comprises an upper rack plate, a lower rack plate and connecting plates, wherein the upper rack plate and the lower rack plate are in the same shape and size and connected through the connecting plates, the six mechanical feet are symmetrically distributed between the upper rack plate and the lower rack plate and on two sides in the length direction of the upper rack plate through flanges, and adjacent mechanical feet have the equal distance; each mechanical foot comprises a coxa unit, a meropodium unit and a tibia unit, the coxa unit and the tibia unit are fixed at two ends of the meropodium unit respectively, and the upper part of the coxa unit is connected with the body platform. The robot is provided with a foot end sensing system and has multiple motion modes, thereby realizing omni-directional walking in the complex environment and dynamic sensing for the terrain environment.

The invention relates to a manipulator technology, and provides a wrist rotating clamp structure for a hydraulic manipulator. The structure comprises a linear oil cylinder, a micro hydraulic motor, aspeed reducing mechanism and a pawl; the linear oil cylinder is arranged by adopting a rear mode; the micro hydraulic motor and the speed reducing mechanism are positioned between the linear oil cylinder and the pawl; an output shaft of the micro hydraulic motor is connected to the speed reducing mechanism, and is vertically staggered with a piston rod of the linear oil cylinder; a worm wheel output shaft of the speed reducing mechanism is of a hollow structure; the piston rod of the linear oil cylinder is connected to a driving mechanism of the pawl after penetrating through the worm wheel output shaft, and drives opening or closing thereof; and the micro hydraulic motor drives the pawl to realize forward-reverse rotation through the speed reducing mechanism. The structure is simple in structure, low in technical difficulty, high in reliability, excellent in maintainability and economy, easy to realize, high in speed reducing ratio, high in wrist rotating torque and low in lowest stable rotating speed, allows staggered arrangement of the hydraulic motor and the pawl to achieve more compact and flexible structure, and has self-locking characteristics on a worm wheel and a worm rod.

The invention relates to a mechanical apparatus applied to calibration of a torque sensor, and a method. One end of a force transmission plate is inserted into a U-shaped support, and the U-shaped support is fixed at one position; a handle is manually operated, a worn drives a main shaft to rotate, the force transmission plate rotates synchronously, since the force transmission plate is fixed by the U-shaped support, the U-shaped support provides a reverse acting force for the force transmission plate, and the reverse acting force and the acting force of the worm cause torque to be generated one by one on the main shaft, the worm has a self-locking feature, records a group of data every time when an angle is rotated, the size of the torque is read through a sensor digital display meter to be calibrated and a standard sensor digital display meter, readings are compared, finally, a comparison curve map is drawn, and whether a sensor to be calibrated accords with application requirements. The apparatus and method provided by the invention have the following advantages: the torque sensor calibration apparatus is accurate in calibration result and simple to operate; the adjustable measuring range is quite large, and the versatility is high; and by use of the self-locking principle of a turbine worm, the readings can be read at any fixed points, values are displayed through the digital display meters, the comparison is obvious, and the reading is convenient.

The invention relates to a self-driven double-layer stereo parking device. The self-driven double-layer stereo parking device comprises a supporting device, driving lifting devices, a falling prevention device and kick-ahead prevention devices, wherein the driving lifting devices are arranged at the two ends of the supporting device; the falling prevention device is arranged at the bottom end of across beam of the supporting device, and a stair is arranged outside one end of the supporting device; and the kick-ahead prevention devices are arranged on the positions, near the tops of one end ofthe stair, of lifting platforms of the driving lifting devices. The self-driven double-layer stereo parking device mainly adopts a form of chain transmission to realize autonomous parking of vehicles; the self-driven double-layer stereo parking device has a simple overall structure and low cost, is easy to realize double-layer parking for family users, saves parking space and is easy to maintain;and the self-driven double-layer stereo parking device adopts a lifting form of straight up and down and is especially suitable for family parking with two vehicles, the two cars can be parked with only one parking space, the space is fully used, and the land resources are saved.

The invention discloses a novel smart gas meter motor valve which is composed of a valve body, a motor (2), a speed changing apparatus (3), a screw drive mechanism (15) and a valve stem (5). Executing mechanisms, like the motor (2), the speed changing apparatus (3), an anti-stalling mechanism (17), the screw drive mechanism (15) and the valve body (5) which are installed on the inner wall of the valve body achieve no stalling upon the opening and closing of the valve, and the valve can be closed with small torque through cooperation of an energy storing apparatus (14) and the start of the motor (2), so that the energy consumption of the motor valve is reduced, and the service life of the motor valve is prolonged. The novel smart gas meter motor valve of the invention is simple in structure and convenient in manufacturing, and can be widely applied to all types of gas meters.

The invention discloses a three-direction hydraulic four-link assembly platform, belonging to the technical field of steel wire rope vibration isolator assembly, which solves the problems that for a multi-layer densely distributed steel wire rope vibration isolator, steel wire ropes of each layer are densely arranged, the number of steel wire ropes is large, the diameter is big, and the rebound resistance between layers is large and assembly can not be performed, and the like. The invention comprises steel wire rope pushing and bending machines, a top parallel intercommunicated pressing oil cylinder, a liftable fine leveling table, and a device body, and the left and right steel wire rope pushing and bending machines of the device body are assembled by two groups of four-link structures ina three-direction hydraulic clamping method, two top hydraulic cylinders are pressed vertically and two side steel wire rope pushing and bending machines are pressed horizontally, which solves the technical problem that the vibration isolator of multi-layer densely distributed steel wire ropes can not be assembled due to the rebound interference between layers.

The present invention discloses a three-way hydraulic four-link assembling platform and a method for manufacturing a vibration isolator with the same and belongs to the technical field of steel wire rope vibration isolator assembly; the present invention has a special advantage in solving a problem that the vibration isolator with multiple layers of densely arranged steel wire ropes cannot be assembled because the steel wire ropes are densely arranged and are large in amount and diameter fo each layer and large in rebound resistance between layers. The platform of the present invention comprises steel wire rope push bending machines, top parallel-connection and intercommunicating compaction oil cylinders, a liftable fine-levelling worktable, and an equipment body, wherein left and right steel wire rope push bending machines are composed of two sets of four-link structures; the assembling platform adopts a three-way hydraulic clamping mode for vertically compressing two top hydraulic oil cylinders and horizontally compressing two side steel wire rope push bending machines, thereby solving the technical problem that the vibration isolator with multiple layers of densely arranged steel wire ropes cannot be assembled due to rebound interference between the layers.

The invention belongs to the technical field of health care, and particularly relates to a foot massage device. The foot massage device comprises a lower base, a worm wheel is installed on the outer side of an internal threaded sleeve rotationally installed in the lower base, the worm wheel is in meshed connection with a worm installed on an output shaft of a lifting motor, outer sleeves are installed in installation columns on vertical inner edges of the lower base, an upper base is connected to the top ends of telescopic rods slidably mounted on the inner sides of the outer sleeves and a trapezoidal screw rod in threaded connection with the inner side of the inner threaded sleeve, massage grooves are formed in a vibration plate slidably mounted below a protective cushion mounted on the inner side wall of the upper base, massage balls are mounted at the bottoms of the massage grooves, eccentric wheels are rotatably installed on rotating shafts installed on a rotating shaft support installed on the inner bottom surface of the upper base and fixedly connected with a vibration motor, the trapezoidal screw rod can drive the upper base to ascend and descend to adjust then the using height of the device, self-locking structures are adopted between the worm wheel and the worm and between the trapezoidal screw and the internal threaded sleeve, safety is high, and the massage beads canmassage and stimulate the foot bottoms of a user under the vibration of the vibration plate.

The invention relates to an electric motorcycle/two-wheel electric vehicle undercarriage with a failure protection function. The undercarriage comprises an undercarriage main supporting body, a push-pull force connection body, a motor lead screw driving body and a failure pull rod device. According to the undercarriage, a motor push rod is used as a driving mode to push an undercarriage supportingrod to descend, a sleeve and a return spring which are innovatively designed are arranged between the motor driving push rod and the undercarriage supporting rod to achieve fast withdrawal of the undercarriage, and meanwhile the failure protection difficulty can be lowered. According to the undercarriage, by designing the failure pull rod device, under the condition that a motor/the motor drivingbody fails, the upward pull force of a lever mechanism drives a cable to complete the descending process of the undercarriage, the failure protection difficulty is lowered, and meanwhile the possibility of continuous driving of vehicles is guaranteed.

The invention discloses an anti-pollution urine micro-ecological specimen collection device, and relates to the technical field of urine sampling, the anti-pollution urine micro-ecological specimen collection device comprises an expander, the expander comprises two opposite petal-shaped plates, the rear ends of the two petal-shaped plates are hinged to the two sides of the front end of a first connecting pipe respectively, one side of the front end of each petal-shaped plate is provided with an inclined surface part, and the other side of each petal-shaped plate is provided with an inclined surface; buckle structures are arranged on the inner surfaces and the outer surfaces, close to the inclined face parts, of the petal-shaped plates, the buckle structures are used for fixing the non-slip mat assembly to the petal-shaped plates, a driving assembly is arranged between the two petal-shaped plates, the driving assembly is connected to the first connecting pipe, and the driving assembly is used for driving the two petal-shaped plates to be opened and closed; the bulking device comprises a bulking device body, the bulking device body is in a column shape with the smooth front end, the rear end of the bulking device body is connected with a second connecting pipe, the rear end of the second connecting pipe is rotationally connected with the first connecting pipe, and a protruding part is arranged on the side, close to the inclined face part of the petal-shaped plate, of the bulking device body; the urethral orifice can be better exposed, and urine sampling is facilitated.

The invention discloses a piezoelectric ceramic driver pre-tightening device. A thread column is rotatably arranged on a base, the thread column and a piezoelectric ceramic driver are arranged in thesame direction, one end of the thread column can abut against the end of the piezoelectric ceramic driver, the thread column is driven through a worm gear, the thread column is sleeved with the worm gear in a threaded manner, a worm and the worm gear are in threaded fit to form a worm gear and worm mechanism, when the worm rotates, the worm gear is driven to rotate, due to the fact that the two axial ends of the worm gear are limited by a base in an ejecting manner, when the worm gear rotates, the axial position is kept unchangeable, the worm gear and the thread column are in thread fit, whenejecting is needed, the worm is twisted, the thread column gets close to the piezoelectric ceramic driver, one end of the piezoelectric ceramic driver is in contact with the thread column, the other end of the piezoelectric ceramic driver makes contact with a work mechanism, pressure is applied through the thread column, the piezoelectric ceramic driver is tightly attached to the work mechanism, the worm gear and worm mechanism has the self-locking characteristics, the worm gear is driven only by the worm, the worm gear cannot reversely drive the worm to rotate, and the loosening possibility is removed.

The invention provides a linkage self-locking device for a machine tool. The linkage self-locking device for the machine tool is characterized in that the linkage self-locking device for the machine tool comprises a lock pin, a lock body and a linkage locking mechanism, the lock body is a main body of the device, the linkage locking mechanism is installed in the lock body, the lock pin can be inserted into a conical through hole in the center of the lock body to realize positioning and drive the linkage locking mechanism to operate and then be locked by the linkage locking mechanism. Accordingto the technical scheme, the movement characteristics and self-locking characteristics of the linkage locking mechanism are utilized to realize automatic positioning and fast and stable locking without relying on electrical control, and the applicability is higher; and the lock pin can be connected with various tools and fixtures, and the versatility is better.

The invention provides a lever type lifting, cleaning and removing device for a top material plate in constructional engineering. The lever type lifting, cleaning and removing device comprises a base, an inner pushing frame, a lifting table, a telescopic driving part, moving wheels, a directional guide rod, an upper positioning table, a driving part, a plate lifting part, a lower transmission shaft and double eccentric wheels; four lifting columns are fixedly connected to the upper surface of the base through welding, and the lifting columns are perpendicular to the upper surface of the base; the telescopic driving part is arranged in the middle of the upper surface of the base; the bottom face of the inner pushing frame is fixedly connected to an output shaft of the telescopic driving part, and transmission wheels of the inner pushing frame are connected to inner side racks on the lifting columns in a meshed mode; and the outer side faces of lifting rods of the lifting table are connected to the inner sides of the transmission wheels of the inner pushing frame in a meshed mode. According to the equipment, the prying action can be continuously carried out, the multiple formworks can be continuously disassembled, the firmly-connected formworks can be pried for multiple times, disassembling work can be carried out, the function of automatically disassembling the formworks above the house is achieved, and the working efficiency is further improved.