161results about How to "Realize automatic unlock" patented technology

The invention discloses a circularly self-moving forepoling hydraulic support, which comprises a rail assembly, a supporting beam assembly, a supporting beam assembly moving device and a supporting beam assembly contracting and releasing device, wherein the supporting beam assembly comprises supporting beams, connecting beams, telescopic jacks and upright columns; both ends of the telescopic jacks are respectively hinged on the connecting beams and the supporting beams; the rail assembly is arranged between two upright columns of the supporting beam assembly; the supporting beam assembly moving device comprises a drive, a driving device and a connecting device; the rail assembly comprises rails and rail moving devices arranged on the rails; connecting ends of the connecting devices and the supporting beam assembly are provided with a revolute pair; and the supporting beam assembly contracting and releasing device is arranged on the rails. The circularly self-moving forepoling hydraulic support can support a tunnel roof during coal mining, can further be automatically moved and lifted, and is high in support moving speed.

The invention discloses an LED street lamp capable of being quickly and stably installed. The LED street lamp comprises a lamp body, a mounting base fixed in the lamp body, and a lamp rod arranged at the tail end of the right side of the lamp body; an LED lamp module is arranged below the mounting base; a placing cavity is formed in the mounting base; first chutes are symmetrically formed in the inner walls of left and right two sides of the placing cavity; second chutes are formed in one sides, far from the placing cavity, of the tops of the first chutes; slide blocks and guide rods slidingly matched and connected with the slide blocks are arranged in the second chutes; the inner sides of the slide blocks extend into the first chutes for slide matching; elastic clamping pieces are arranged at the bottoms of the slide blocks in the first chutes; a lock insertion rod for downwards extending is arranged on the top wall in the placing cavity; left and right symmetric slide cavities are formed in the lower side in the lock insertion rod; a separation plate is arranged between the slide cavities on the left and right two sides; third chutes are respectively formed in the top of each slide cavity; and locking push blocks are arranged in the slide cavities. The LED street lamp is simple in structure, reasonable in design and convenient to install and dismount, reduces the staff climbing time and operation, is high in installation stability, and is not liable to generate looseness.

The invention discloses a brushless direct-current motor drive circuit, a channel gate and a control method. The brushless direct-current motor drive circuit and the control method can be used in the channel gate; and when the channel gate is in normal use, a singlechip microcomputer is used for determining a position of a rotor according to a received rotor position feedback signal, outputting a corresponding phase control signal according to the position of the rotor so as to control the on and off of a current drive device, and further controlling current of three phases of coils (U, V and W) of the motor, so that the motor is rotated or self-locked, and the on, the off, the self-locking of the channel gate can be controlled. When power failure occurs in the environment, the external control signal is automatically closed, no current flows through the three phases of coils (U, V and W) of the motor, the inner electromagnetism resultant force of the motor is zero, the external force can freely drive the motor to rotate, and the automatic unlocking of the motor can be realized.

The invention provides a screen unlocking method and system. The screen unlocking method and system are applied to a vehicle-mounted multi-media control system. The screen unlocking method comprises the steps that when the situation that a vehicle is in the traveling state is detected, a control screen of the vehicle-mounted multi-media control system is set to be in the locked state; when the control screen is in the locked state, the distance between a hand of a passenger on the co-driver seat and the control screen is detected; if the distance is smaller than or equal to a preset distance, the control screen is switched to be in the unlocking state. According to the technical scheme, the control screen of the multi-media control system can be automatically locked according to the running state of the vehicle so that driving safety of a driver can be ensured; in addition, the control screen can be automatically unlocked by judging the action intention of the passenger on the co-driver seat, and therefore control convenience of the passenger on the co-driver seat is remarkably improved.

The invention discloses a manual automatic integrated locking and unlocking mechanism and belongs to the technical field of mechanical structures. The manual automatic integrated locking and unlocking mechanism comprises a handle, a reduction box, a gear steering gear, a left locking pin, a right locking pin and a gear rack cylinder. The handle is connected with the input end of the reduction box, the output end of the reduction box is fixedly connected with a transmission gear in the gear steering gear, the transmission gear is fixedly connected with a gear in the gear rack cylinder through a transmission shaft, two output gears in the gear steering gear are in threaded connection with the left locking pin and the right locking pin respectively through screw rods, and rotation of the screw rods is converted into opposite or reverse linear movement of the left locking pin and the right locking pin along the axes of the screw rods. External oil pressure or air pressure is utilized to serve as a power source to drive the left locking pin and the right locking pin to synchronously extend out or retract, a locking or unlocking function is achieved, and the manual automatic integrated locking and unlocking mechanism can simultaneously perform switching of manual operation and automatic operation according to working conditions.

The invention discloses a hydraulic cylinder for self-locking by a spring. The hydraulic cylinder comprises a cylinder barrel, a cylinder bottom, a cylinder cover, a piston and a piston rod; a blind hole is formed in the piston; a buffer device is arranged in the blind hole; a support column is arranged on the cylinder bottom; when the support column is acted on the buffer device, the moving speed of the piston is forced to slow down, so that quick collision between the piston and the cylinder bottom is prevented, and a certain protecting effect is achieved on a hydraulic system; the spring is arranged on the piston rod, and is provided with a locking rod; an oil inlet pipe and a self-locking groove are arranged in the cylinder barrel; when the piston rod moves to a certain position, the locking rod can be clamped into the self-locking groove due to the effect of the spring, and the piston rod is kept still to realize self-locking; and during unlocking, high-pressure oil enters the self-locking groove through the oil inlet pipe, pressure generated by the hydraulic oil can enable the locking rod to shrink back, and the piston rod can move again.

The invention belongs to the field of steering engine locking and particularly relates to an electric steering engine locking device. According to the technical scheme, the electric steering engine locking device comprises a fixed plate (1), a fastening screw (2), a connecting block (4), a friction plate (5), an armature (6), a coil (7), a case (8), and springs (9). The coil (7) and the circular armature (6) are disposed in the case (8). A motor shaft of an electric steering engine is connected with a locking device through the connecting block (4), the friction plate (5) and a central through hole of the fixed plate (1). When the coil (7) is not powered, the armature (6) and the friction plate (5) are compressed through the springs (9) and the motor shaft (3) is compressed and locked through the connecting block (4). When the coil (7) is powered, the armature (6) is separated from the friction plate (5) by electromagnetic force and the connecting block (4) is loosened. Automatic unlocking is achieved by power of the steering engine with no need of additional control signals, and the electric steering engine locking device has the advantages of operational reliability, simplicity in control and operation, easiness in installation and the like.

The invention belongs to the technical field of sharing of parking spaces and particularly relates to a parking space sharing method and system based on a parking space lock. The sharing system comprises an intelligent sharing parking space lock, a parking place lock sharing and managing platform and a mobile terminal, wherein the intelligent sharing parking space lock comprises a master control module, a motor module, a storage module, a power supply module, an infrared module, a Bluetooth module and a 433 module. According to the sharing system, sharing information can be issued to a systemplatform, renting states including a long-term renting state, a short-term renting state or a time-quantum renting state can be set, a renter can search shared parking spaces in the system platform, selects an expected parking space and reserves in advance to place an order on line, an APP is automatically connected to the parking space lock, and the parking space lock is automatically unlocked soas to start billing; and after a user drives the vehicle away from the parking space, the APP is automatically connected to the parking space lock, the parking space lock detects that the vehicle isdriven away and sends a message to the APP to stop billing, the parking space lock is automatically locked, and a password is updated. After the billing is finished, the transaction amount is automatically settled by the system platform, and the traction is finished after the payment of the user.

The invention discloses a bookbinding machine with an improved locking mechanism. The bookbinding machine with the improved locking mechanism is characterized in that an unlocking rod is arranged on a rack, a drilling mechanism is provided with a trigger mechanism, the lower end of the unlocking rod abuts against a locking block, a trigger part for unlocking an upper pressing head and making the upper pressing head reset upwards is arranged on the unlocking rod, and after pressing rivet operation is finished, in the resetting process of the drilling mechanism, the trigger mechanism of the drilling mechanism triggers the trigger part, the unlocking rod drives the locking block to release the locking rod, and therefore the locking state of the locking block is relieved and the upper pressing head resets. The bookbinding machine is simple in structure, ingenious in design, few in parts, low in cost, stable and reliable in motion, and free of incorrect operation, automatic locking, automatic unlocking and automatic resetting of the upper pressing head are achieved, the bookbinding machine does not need to be driven by an independent motor, a complex linkage mechanism is not needed, and users do not need to manually operate the bookbinding machine.

The invention provides an unmanned aerial vehicle launch shutting and releasing device and method, and relates to the technical field of unmanned aerial vehicle launch recovery. The unmanned aerial vehicle launch shutting and releasing device can realize the locking of the unmanned aerial vehicle on a launch pulley before launch and automatic unlocking in the acceleration segment after launch, theunmanned aerial vehicle launch shutting and releasing device has an avoidance function of a supporting frame to the launch path, the structure is reliable, and the use is simple; the unmanned aerialvehicle launch shutting and releasing device comprises the supporting frame, a launch hook and a shutting and releasing mechanism and a supporting frame toppling device, the supporting frame is used for fixing the shutting and releasing mechanism and is connected with the supporting frame toppling device to realize the toppling action after the unmanned aerial vehicle is launched, the launch hookis arranged on the abdomen of the unmanned aerial vehicle and is used for connecting the unmanned aerial vehicle with the shutting and releasing mechanism, the shutting and releasing mechanism is usedfor locking and unlocking the unmanned aerial vehicle through locking and unlocking the launch hook, and the supporting frame toppling device is used for installing the supporting frame to enable thesupporting frame to realize the toppling action after the unmanned aerial vehicle is launched. According to the technical scheme, the unmanned aerial vehicle launch shutting and releasing device andmethod are applicable to the launch process of the unmanned aerial vehicle.

The invention discloses a power tool, comprising an enclosure, a motor held in the enclosure, an output shaft adapted with a working head, at least one transmission member driven to rotate by the motor and a locking device being arranged on the output shaft and being capable of moving between a locking position for stopping the rotation of the output shaft and a loosing position for allowing the rotation of the output shaft. The transmission member is movably adapted with the output shaft, and therefore, the motor drives the locking device to move from the locking position to the loosing position along the radial direction of the output shaft during starting. The locking device on the output shaft of the power tool can be automatically unlocked when the motor is started up.

The invention discloses an unlocking system and method, and the system and method are applied in an electronic device. The system comprises an obtaining module, a judgement module and a control module, wherein the obtaining module is used for obtaining movement data, sensed by a gyroscope, of the electronic device at a preset time interval when the electronic device is in a locked state; the judgement module is used for judging whether the current movement of the electronic device is a man-made movement or not; the control module is used for controlling a camera on the electronic device to shoot the front of the electronic device when the current movement of the electronic device is a man-made movement; the obtaining module is further used for obtaining an image shot by the camera; the judgement module is further used for judging whether a biological feature in the obtained image is matched with a biological feature pre-stored in a memory or not; and the control module is further used for controlling the electronic device to release locking when the biological feature in the obtained image is matched with the biological feature stored in the memory.

The invention belongs to the technical field of machines, and particularly relates to a locking device integrally controlled manually and automatically. The locking device integrally controlled manually and automatically comprises a shell, an electromagnet, a spring, a screw rod, a dovetail nut, a mandrel and a conical plug. The locking device integrally controlled manually and automatically adopts the electromagnet as an actuating mechanism, a microswitch serves as an in-place trigger signal, and the functions of automatic unlocking, automatic locking and state indication are achieved in theprocess of pulling a plug pin mechanism to conduct linear motion; the manual operation function is achieved by arranging the nut and the screw rod mechanism; by additionally arranging a sealing ring,the locking device has the waterproof sealing function; and a plug pin assembly is contact fit with a base hole by adopting a conical face, the reliability of the locking device is improved, the service life of the locking device is prolonged, and the position alignment error can be automatically corrected.

The embodiment of the invention discloses a screen unlocking method and a terminal, relating to the technical field of communication to solve the problem that the terminal unlocks the screen with lowflexibility. The method is applied to the terminal including a first screen and a second screen. The method includes: acquiring a first image captured by a camera of the first screen; if the first image matches the second image displayed on the second screen, unlocking the target screen, wherein the target screen includes at least one of the first screen and the second screen. The method can be applied to the scene where the terminal unlocks the screen.

The invention discloses a locking device for a bridge velocity limiting indicating board. The locking device comprises a base and an indicating board portion arranged below the base; a suspending rod is arranged above the base, the base and the suspending rod are fixedly connected through a connecting rod; a cavity is formed in the base; first slip grooves are symmetrically formed in the left and right sides of the cavity; a second slip groove is formed in one side, far from the cavity, of the top of the first slip groove; a slip block and a slide guide rod slidably matched with the slip block are arranged in the second slip groove; the inner side of the slip block penetrates through the first slip grooves and is in slip match; a locking piece is arranged in the bottom of the slip block in each of the first slip groove; a locking rod extending downward is arranged on the top wall in the cavity; left and right symmetrical locking cavities are formed in the lower side of the locking rod; a baffle plate is arranged between the left and right locking cavities; a third slip groove is formed in the top of each of the locking cavities; and a locking block is arranged in locking cavity. The locking device is simple in structure and convenient to mount and detach. The climbing time operation of staff is reduced, and the locking device is high in mounting stability and is unlikely to generate looseness.

Discloses is a lock structure for a drawer. The lock structure comprises a position detector, a processor, a driving mechanism, a static lock hook and a movable lock hook. The position detector and the driving mechanism are both in electrical connection with the processor. The static lock hook is installed on a back plate of the drawer. The driving mechanism is connected with the movable lock hook. When the drawer is closed, the static lock hook and the movable lock hook are connected with each other in a buckle mode. The processor is used for controlling the driving mechanism to drive the movable lock hook to rotate and leave the static lock hook according to an opening electrical signal. The position detector is used for generating a drawing-out electrical signal when it is detected that the drawer is drawn out. When receiving the drawing-out electrical signal of the position detector, the processor controls the driving mechanism to drive the movable lock hook to rotate to reset so that the drawer is pushed in and closed, and the static lock hook and the movable lock hook are connected with each other in a buckle mode again. According to the lock structure, the opening electrical signal is sent to the processor to achieving automatic unlocking of the drawer without using of a key, so that management is convenient and fast, and the lock structure is specifically suitable for a cabinet with multiple drawers.

The embodiment of the invention discloses an unlocking control method and device, an electric vehicle and a terminal. The unlocking control method comprises: broadcasting a predetermined signal when an electric vehicle is in an unlocked state; performing identity verification on a terminal entering the radiation area of the predetermined signal; and switching the locked state of the electric vehicle to the unlocked state under the condition of successful identity verification.

The invention discloses a full-automatic spin lock for a container. The full-automatic spin lock comprises a lock shaft, a lock base, a torsional spring, a lock nut, a connecting pin, a limit pin, an emergency release pin, a round pin, a gasket, a spring and an end cover. The lock head of the lock shaft has an inclined double curved surface structure, wherein a lock rod of the lock shaft passes through the lock base and the torsional spring, the lower end of the lock rod is fixed by the lock nut and the connecting pin is adopted for preventing the lock nut from loosening. The torsional spring is sleeved on the lock rod and positioned in a cavity in the middle of the lock base; and the torsional spring is formed by integrally vulcanizing an inner ring and an outer ring by a rubber layer. The emergency release pin is positioned in a groove on the side face of the lock base, and the tail end of the emergency release pin is inserted into the outer ring of the torsional spring. The full-automatic spin lock for the container can realize automatic locking and automatic unlocking of the container, is provided with a manual unlocking device under the abnormal conditions, is also provided with an indicator so as to facilitate observing the locking state of the spin lock, and improves the loading and unloading efficiency and the transportation safety of the container.

The invention belongs to the technical field of press machines and provides a seal height adjusting and locking device of a press machine. The seal height adjusting and locking device of the press machine aims to solve the technical problem that in the working process of the press machine, the seal height of a sliding block changes. The seal height adjusting and locking device of the press machine comprises a shaft sleeve and a brake disk, wherein a worm shaft is sleeved with the shaft sleeve in a spaced manner, and the brake disk is provided with through holes. The seal height adjusting and locking device of the press machine further comprises a fixing sleeve. The fixing sleeve is provided with locating pins matched with the through holes. The brake disk is provided with V-shaped grooves. The shaft sleeve is provided with axial protrusions. When the shaft sleeve rotates, separation of the locating pins and the through holes can be achieved under the action of the axial protrusions and the V-shaped grooves. By the adoption of the seal height adjusting and locking device of the press machine, the effects that automatic unlocking can be adjusted during adjustment, and after adjustment is completed, automatic locking is conducted can be achieved; and it is guaranteed that an adjusting threaded rod is fixed in the operation process of the press machine after adjustment is completed, the stability of the seal height is guaranteed, and therefore the machining quality of products is improved.

The invention provides a mobile terminal and an unlocking method of the mobile terminal. The method comprises the following steps that when the condition that two contacts simultaneously slide on a touch screen is detected and when the sliding of the two contacts is completed, the starting point position and the terminal point position of the sliding track of each contact are obtained; when the condition that the absolute value of the difference value of a first space between the starting points of the sliding tracks of the two contacts and a second space between the terminal points of the sliding tracks of the two contacts is greater than a set space is determined, the screen unlocking is carried out. The mobile terminal and the unlocking method provided by the embodiment of the invention have the advantages that the operation by users is more convenient, and the unlocking efficiency is improved.

The invention relates to positioning and drilling equipment, in particular to accurate positioning and drilling equipment used before furniture assembly. According to the accurate positioning and drilling equipment used before furniture assembly, automatic feeding is achieved, furniture is automatically pressed and fixed, accurate positioning and drilling are easily achieved, and automatic pushing is achieved. The accurate positioning and drilling equipment used before furniture assembly comprises a base, drill bits, a placing assembly and a propelling assembly. One side of the upper portion of the base is connected with a first supporting frame; three drill bits are uniformly mounted at one side of the upper part of the first supporting frame at intervals; the placing assembly is arranged at the upper part of the base; and the propelling assembly is arranged in the middle of one side of the upper portion of the placing assembly. By pulling a first connecting rod to move rightwards, furniture moves to the right left side of a first push plate and is blocked by a baffle, under the action of a second spring, the first push plate moves leftwards, the furniture is pushed to make contact with the rotating drill bits to complete drilling, and the effect of achieving accurate positioning and drilling of the furniture through simple operation is achieved.

A sliding door lock for a half-height safety door comprises a lock hook, an installation plate assembly, a lock plate assembly, a hand unlocking assembly and an automatic unlocking assembly. The installation plate assembly comprises an installation plate, lock plate support shafts and a lock hook support shaft, wherein the lock plate support shafts and the lock hook support shaft are fixed on the installation plate; and the lock plate assembly comprises a lock plate and a lock shaft which is fixed on the lock plate, a plurality of long vertical circular holes are arranged on the lock plate, the lock plate support shafts are inserted into the plurality of long vertical circular holes, the lock plate can freely and vertically move by means of the support of the lock plate support shafts, and the lock shaft penetrate through a long square hole on the installation plate to be matched with the lock hook which is installed on a lock hook rotation shaft and can rotate around the lock hook rotation shaft. During locking, the lock shaft is placed on the lock hook to limit the lock shaft to move, and during unlocking, the lock hook rotates while the lock shaft vertically drops; and the automatic unlocking assembly is mainly composed of an electromagnet and an unlocking shaft, wherein the unlocking shaft is fixed on a sliding shaft of the electromagnet and moves with the movement of the sliding shaft of the electromagnet, and the unlocking shaft is fixed on the upper portion of the lock plate.

The invention discloses a multi-point spot welding robot which comprises a bottom plate, wherein a mounting seat is fixedly connected at the midpoint of the top of the bottom plate, wherein a mountingcolumn is arranged at the midpoint of the bottom of the inner wall of the mounting seat, and the top of the mounting column penetrates through the mounting seat and extends to the outside of the mounting seat to be fixedly connected with the spot welding robot body. According to the multi-point spot welding robot, the interworking among the mounting seat, the mounting column, a fixing block, a passing port, a partition plate, a clamping groove, a clamping block, a push rod, a triangular block, a return spring, a first rolling bearing, a threaded rod, a baffle plate, a threaded sleeve, a sideplate, a first pulley, a limiting sliding rod, a second rolling bearing, a rotating shaft, a driving bevel gear, a rotating handle and a driven bevel gear, realizes the effect of being convenient to disassemble, and the operation is simple, time and labor are saved, the labor intensity of workers is greatly reduced, the maintenance work of the workers is facilitated, the normal use of the multi-point spot welding robot is guaranteed, and the working efficiency of the multi-point spot welding robot is improved.

The invention discloses a method for preventing a terminal from being mistakenly touched during video playing, a storage medium and the terminal, and the method comprises the steps: monitoring the next operation of a user on a touch screen in real time during the period that a video is being played and a video playing operation interface is not locked; when it is monitored that the user performs the next operation on the touch screen and the operation is an operation irrelevant to video playing, locking a video playing operation interface so as to prevent misoperation of the user on the videoplaying operation interface; when the video playing operation interface is locked, monitoring the next operation of the user on the touch screen in real time; and when monitoring that the user performs the next operation on the touch screen and the operation is the operation related to video playing, unlocking the video playing operation interface. According to the method, misoperation of a user on the video playing operation interface can be prevented, the video playing operation interface is automatically locked when the user pulls down the status bar, answers an incoming call and opens theapplication notification, and the user is prevented from mistakenly touching the video playing operation interface.

The invention discloses a control device and method of a pulse-and-level-compatible electronic lock. The control device comprises an energy storage capacitor C1, a first switch device K1, a second switch device K2 and a power source provided with a first power supplying contact and a second power supplying contact; the first switch device K1 is connected with the grounded end of the electronic lock and used for selectively switching on one end of the energy storage capacitor C1 or the first power supplying contact; the second switch device K2 is connected with the other end of the electronic lock and used for selectively switching the other end of the energy storage capacitor C1 or the second power supplying contact; both the first switch device K1 and the second switch device K2 can switch on the energy storage capacitor C1, and are in the initial state, and the electronic lock is in the unlocked state. The control method includes the steps that the read state of the electronic lock is compared, and the type of the electronic lock is judged based on the comparing result; based on the judged type of the electronic lock, the corresponding electronic lock is controlled to be locked or unlocked.

The invention relates to an unenclosed carriage roof. The roof comprises an arc cover, a support surface and locking devices, wherein the arc cover and the support surface are made of a glass fiber reinforced plastic material; the arc cover is contacted with the top of four sides of the unenclosed carriage through the support surface; screw holes are arranged on the support surface, and a plurality of the locking devices are distributed on the support surface through bolts; and the locking device comprises a base body, a hook base, a hook, a locking hook base, a locking hook and a connecting rod. After the roof is positioned on the roof, the hook slides downwards under the action of dead weight, the locking hook base driven by the connecting rod is overturned downwards, and the locking hook is hooked on a lateral beam of a vehicle body; and when the roof is opened, the hook slides upwards due to the upper traction of hoisting equipment, the locking base driven by the connecting rod isoverturned upwards, so that the lock-shaped locking hook is separated from the upper beam of the vehicle body to realize automatic unlocking. The unenclosed carriage roof has a simple structure, reliable locking and flexible starting, rain water is effectively prevented from intruding to cause goods damage, and the environment pollution of dusty and dirty goods can be avoided.