338results about How to "Quick unlock" patented technology

The invention discloses a high-temperature superconducting Tokamak cold shield assembly assembling system and method. The high-temperature superconducting Tokamak cold shield assembly assembling system comprises a positioning assembly, a welding assembly, a supporting frame, supporting legs, a locking mechanism and a driving mechanism. The invention relates to the technical field of welding tools. According to the high-temperature superconducting Tokamak cold shield assembly assembling system and method, the supporting frame is arranged to be installed around the lower-layer high-temperature superconducting Tokamak cold shield, the positioning assembly and the welding assembly can be placed on the supporting frame in sequence, and the positioning assembly can abut against the lower-layer high-temperature superconducting Tokamak cold shield by half; the high-temperature superconducting Tokamak cold shield suspended on the upper layer to be put down is positioned and guided, it is guaranteed that the high-temperature superconducting Tokamak cold shield can be accurately in butt joint with the high-temperature superconducting Tokamak cold shield on the lower layer, and then the problem that butt joint dislocation of the heavy high-temperature superconducting Tokamak cold shield is difficult to adjust is solved. And after the positioning assembly is taken down, the welding assembly is replaced, the welding assembly can be driven by the driving mechanism to rotate around the high-temperature superconducting Tokamak cold shield along the supporting frame for welding, and manpower is saved.

The present invention relates to an automatic loading and unloading curing device, comprising a loading module, a curing module and a unloading module arranged in sequence, wherein a carrier for placing workpieces is arranged on the loading module; a first XYZ axis conveying mechanism is arranged between the loading module and the curing module; a high temperature channel and a downstream conveying assembly running through the high temperature channel are arranged on the curing module; a reflux conveying assembly is arranged correspondingly below the downstream conveying assembly; the transport length of the reflux conveying assembly is greater than the transport length of the downstream conveying assembly; a second XYZ axis conveying mechanism is arranged between the curing module and the unloading module. The structure runs smoothly, has a high degree of automation, is easy to operate, saves labor costs and time costs, has high practicality, and workers do not need to work at the feed port and the loading port of the curing module, thereby ensuring the safety of the workers.

The invention relates to the field of remote management of parking locks, in particular to an intelligent parking lock remote management method and system based on Bluetooth communication. The method comprises the following steps: acquiring an intelligent parking lock operation log and an intelligent parking lock real-time Bluetooth connection state parameter; according to the intelligent parking lock operation log, user personalized behavior habit evolution is carried out, user portrait modeling is carried out, and an unlocking behavior portrait of each user is constructed; based on the unlocking behavior portrait of each user, real-time user behavior abnormal deviation quantification and abnormal parking lock use decision making are carried out on the intelligent parking lock real-time Bluetooth connection state parameters, and an abnormal parking lock early warning strategy is generated; when the real-time user behavior abnormal deviation value does not exceed a preset behavior deviation threshold value, triangulation positioning distance measurement and user accurate positioning calculation are conducted on the intelligent parking lock real-time Bluetooth connection state parameters, and real-time position coordinates of the user are obtained. According to the invention, safe and efficient remote management of the parking lock is realized.

The invention relates to a self-locking clamp device for water meter detection and a using method thereof, and belongs to the technical field of water meter detection. The clamp assembly is placed on the conveying line belt, linearly moves along with the conveying line belt and is used for positioning the water meter and achieving clamping and self-locking. The clamping jaw assembly is installed below the robot and used for clamping the water meter and is matched with the clamp assembly to achieve clamping and unlocking of the water meter. The clamp assembly comprises a positioning bottom plate, a V-shaped block moving mechanism, a positioning block and a water meter bottom support mechanism, the V-shaped block moving mechanism and the positioning block achieve clamping and self-locking through an elastic buckle and a clamping groove structure, and the water meter bottom support mechanism converts the gravity of a water meter into clamping force through a wedge-shaped mechanism. Self-adaptive clamping of the water meter is achieved through the gravity of the water meter, the stability of the clamping force is guaranteed through a self-locking mechanism, unlocking of the clamping self-locking state of the water meter is achieved through a plug pin on the clamping jaw assembly, extra air cylinder or robot action is not needed, the detection efficiency is improved, and the equipment cost is reduced.

The invention relates to the technical field of upper cover tape processing, and discloses a uniform gluing device for heat-seal upper cover tape processing, which comprises a base, an unwinding roller is mounted on one side of the top of the base through a frame body, a plurality of support frames are fixedly connected to one side, close to the support frames, of the top of the base, and a cleaning mechanism is arranged at the end parts of the plurality of support frames. A limiting frame is fixedly connected to the side, close to the supporting frame, of the top of the base, a gluing mechanism is arranged outside the limiting frame, a slicking mechanism is arranged on the side, close to the gluing mechanism, of the bottom of the limiting frame, and an edge scraping mechanism is arranged on the side, close to the slicking mechanism, of the bottom of the limiting frame. And a glue collecting mechanism is arranged on the inner side of the limiting frame. The scraping plate and the connecting rod are fixed, and the torsion spring provides elastic pressure, so that the scraping plate can flexibly adapt to different glue thicknesses and scrape redundant glue, and the thickness uniformity of a gluing layer of the upper cover belt is guaranteed.

The invention provides a double-output air cylinder which comprises a cylinder body, a cylinder cover, a piston, a piston rod and a piston rod. A cavity is formed in the cylinder body, a partition plate is arranged in the cavity, and the partition plate divides the cavity into a front cavity and a rear cavity; the piston assembly comprises a first piston arranged in the front cavity in a sliding fit mode and a piston rod arranged on the head portion of the first piston, and the piston rod extends out of the cylinder body and serves as a first output end. The rotating assembly comprises a rotating assembly body arranged in the rear cavity, a driving shaft is arranged on the rotating assembly body, and the driving shaft penetrates through the partition plate, is in rigid connection with the first piston and can drive the piston rod to rotate in the radial direction. The double-output air cylinder is compact in structure, small in size, capable of adjusting the output shaft at any angle, high in adjusting precision, reliable and stable to use, particularly suitable for mechanical arms of non-standard equipment, and wide in application range, and has a self-locking effect.

The invention provides a prefabricated shear wall adjustable supporting structure and an adjusting method thereof.The prefabricated shear wall adjustable supporting structure comprises a floor slab and a prefabricated shear wall installed on the floor slab and further comprises a plurality of adjustable supporting structures for supporting the prefabricated shear wall from the side face, and each adjustable supporting structure comprises a first telescopic supporting rod and a second telescopic supporting rod; the end, close to the first telescopic supporting rod, of the second telescopic supporting rod is hinged to the lower portion of the first telescopic supporting rod, the second telescopic supporting rod and the first telescopic supporting rod form a Y shape, and the other end of the second telescopic supporting rod and the two ends of the first telescopic supporting rod are each provided with an adjustable support used for connecting the prefabricated shear wall and the supporting face. By adjusting the connecting positions of the adjustable support and the first telescopic supporting rod and the second telescopic supporting rod and matching with the length changes of the first telescopic supporting rod and the second telescopic supporting rod, sufficient space is provided for installation of the formwork support, space interference between a supporting system and a formwork is reduced, and the problem that installation of the formwork support is affected is avoided.

The invention discloses a power equipment wire clamp, and particularly relates to the technical field of wire clamps, the power equipment wire clamp comprises a wire clamp main body, a pressing plate, a U-shaped locking rod and a hanging plate, the wire clamp main body is provided with a placing groove and two symmetrically arranged mounting lugs, and the top of the wire clamp main body is symmetrically provided with four plugging holes; the pressing plate is provided with connecting holes which are the same as the inserting holes in number and correspond to the inserting holes in position, and the U-shaped locking rods can be inserted into the inserting holes and the connecting holes. Through the arrangement of the deicing mechanism, when the surface of the cable is coated with ice, the cable clamp body can drive the first elastic piece and the third elastic piece to move downwards and accumulate force on the impact block, and when the pressure reaches the pressure threshold value of the second elastic piece, the impact block is released instantly and strikes the cable, so that the cable is deiced; the surface of the cable is prevented from being covered with too much ice, the cable is prevented from being broken, and therefore the service life and safety of the cable are improved.

The invention belongs to the field of unmanned aerial vehicle structures, and discloses an unmanned aerial vehicle and a fuselage fairing structure thereof, the unmanned aerial vehicle comprises a cover body, the top of the cover body is provided with a hinge joint connected with a fuselage of the unmanned aerial vehicle, the cover body is also provided with a quick release lock connected with the fuselage of the unmanned aerial vehicle, and the cover body is internally provided with an air support rod connected with the fuselage of the unmanned aerial vehicle; when the quick-release lock releases the connection between the cover body and the fuselage of the unmanned aerial vehicle, the air supporting rod can upwards support the cover body, and when the air supporting rod upwards supports the cover body, the cover body rotates around the hinge joint. The fuselage fairing structure of the unmanned aerial vehicle is convenient to open, and then maintenance of the large freight unmanned aerial vehicle is facilitated.

The invention relates to an intelligent door lock and an unlocking method and system thereof, and the method comprises the steps: responding to a detected passive NFC label of the intelligent door lock, and starting an application program corresponding to the intelligent door lock; reading the identity information of the intelligent door lock in the passive NFC label through the application program; sending a BLE (Bluetooth Low Energy) connection request to the intelligent door lock under the condition that the identity information of the intelligent door lock passes the authentication; after the BLE connection with the intelligent door lock is established, identity information of the mobile terminal is sent to the intelligent door lock through the application program; and sending an unlocking instruction to the intelligent door lock through the BLE connection. According to the scheme, the intelligent door lock is provided with the BLE module, the passive NFC label is embedded in the surface of the intelligent door lock, the NFC technology and the BLE technology are combined, rapid and safe unlocking of the intelligent door lock is completed, and the user experience is improved.

The invention relates to the field of pipe fitting production, in particular to a three-way pipe fitting production mold which comprises a lower mold set and an upper mold set, injection molding cavities are formed in the lower mold set and the upper mold set, a lifting assembly used for discharging is arranged in the lower mold set, a plurality of ejector rods are arranged in the injection molding cavities of the lower mold set, cavities are formed in the ejector rods, and the lower mold set and the upper mold set are arranged in the cavities. A liquid inlet end and a liquid outlet end are arranged at one end of the ejector rod, and a material conveying assembly matched with the liquid inlet end and the liquid outlet end is mounted at one end of the ejector rod; through the unique internal linkage cooling and demolding design, the problems of slow cooling forming and low machining efficiency of a traditional technology are effectively solved, in the mold, the ejector rod is matched with the spraying assembly, the ejector rod can synchronously conduct cooling liquid circulation cooling in the mold action process, the inner wall of the three-way pipe can be rapidly and evenly cooled, and the machining efficiency is improved. The problems that in a traditional technology, only surface water spraying is conducted, so that cooling lag of the inner wall is caused, and existing equipment is low in cooling forming speed and low in machining efficiency when used for producing the three-way pipe are solved.

The invention discloses a linkage headrest guide sleeve, and relates to the technical field of automobile seats, the linkage headrest guide sleeve comprises guide sleeve assemblies used for being connected with headrest rods and a sliding unlocking part connected with the two guide sleeve assemblies, each guide sleeve assembly comprises a guide sleeve body, and the upper portion of each guide sleeve body is connected with a button, an elastic piece and a cover cap; the sliding unlocking part comprises unlocking pieces connected with the button and a sliding rod connected with the two unlocking pieces. The linkage headrest guide sleeve is simple in manufacturing process, low in cost and safe and reliable in performance, simultaneous unlocking of the two sides of a headrest is achieved, the function of guaranteeing synchronization of the two sides of the headrest is achieved while rapid unlocking of the headrest is provided, the locking strength of the headrest is guaranteed in a strength test, the headrest is pulled out after simple key pressing operation of a passenger, and the safety of the passenger is guaranteed. A large bed mode is realized, the riding feeling is greatly improved, and the system can be applied to seats in various shapes and is suitable for the trend that current new energy vehicles require more comfort, lighter and more intelligent.

The utility model relates to the technical field of building engineering construction, and particularly provides a good-quality formwork for a silo slip form. The template comprises an inner sliding and lifting template and an outer sliding and lifting template, dovetail grooves are formed in one side of the inner sliding and lifting template and one side of the outer sliding and lifting template respectively, a plurality of inner wall plates are arranged in the dovetail grooves in a clamped and sliding mode, each inner wall plate is of an arc-shaped structure, the inner wall plates abut against one another, and the inner wall plates are connected with the dovetail grooves in a clamped and sliding mode. Due to the arrangement of the inner sliding and lifting formworks, the outer sliding and lifting formworks and the inner wall plate, when sliding and lifting are not smooth due to expansion of concrete, a constructor can easily adjust the position of the limiting plate on the guide block, and rapid unlocking of the inner wall plate and the inner sliding and lifting formworks is achieved; the inner wall plate can be conveniently taken down and reinstalled by a constructor so as to adapt to the height change in the sliding and lifting process, the operation difficulty is reduced, and meanwhile the construction safety and quality are guaranteed.

The utility model discloses a tightening rod which is applied to the field of mechanical tightening and comprises a fixing sleeve, a hollow shaft is rotatably arranged in the fixing sleeve, a sliding rod is arranged in the hollow shaft in a sliding mode, an opening is formed in the end, provided with the sliding rod, of the hollow shaft, a locking component is arranged at the opening, and a connecting assembly is installed on the locking component. Through the cooperation of the sliding rod sliding in the hollow shaft and the locking part, the rapid locking and unlocking functions of the connecting assembly are achieved, and the operation convenience and the working efficiency can be effectively improved.

The utility model discloses a tipping paper printing machine which comprises a printing machine frame, and an unwinding roller, a guide roller and a printing roller are sequentially installed on the left section portion of the printing machine frame from left to right. A first rotating shaft is rotationally connected to the upper end of the right section of the printing rack, a mounting block is mounted at the front end of the first rotating shaft, and a first magnet is connected to the lower side of the mounting block; a drying box is installed at the rear end of the first rotating shaft, and a heating wire is installed in the inner wall of the drying box. According to the tipping paper printing machine, double-sided drying is conducted on tipping paper through the concentric-square-shaped drying box, when a third rotating shaft is driven to rotate, the rotating drum can be controlled to rotate, when the third magnet and the first magnet which are distributed in a homopolar mode correspond to each other in position, the drying box can be driven to rotate anticlockwise, and when the second magnet and the first magnet which are distributed in a heteropolar mode correspond to each other in position, the rotating drum can be controlled to rotate anticlockwise. And the drying box is driven to rotate clockwise, heat in the drying box is stirred, and local damage to the tipping paper caused by continuous baking of the heat on the tipping paper is avoided.

The utility model relates to a vehicle-mounted refrigerator with a door body locking mechanism, which comprises a refrigerator body and a door body arranged on the refrigerator body, and further comprises a door lock device arranged at the top of the door body, the door lock device comprises a door lock catch arranged at the top of the door body and a locking mechanism rotationally arranged in the door body to form a lock catch structure with the refrigerator body; a revolute pair is rotationally mounted in the door body, one end of the revolute pair is fixedly connected with the door lock buckle, and the other end of the revolute pair is clamped with the locking mechanism; the door lock buckle is pulled upwards to enable the rotating pair to rotate, and the locking mechanism is driven to rotate to open the door body through the end, clamped with the locking mechanism, of the rotating pair. And the clamping part of the revolute pair and the locking mechanism rotates relative to the locking mechanism in the swinging process so as to prevent motion interference. According to the utility model, the unlocking is carried out by upwards pulling the door lock buckle and manually releasing, so that the quick unlocking is realized, and the user experience is improved. According to the utility model, the revolute pair is matched with the locking mechanism to form a counter-acting force unlocking mechanism, so that the unlocking efficiency and the unlocking stability are improved.

The invention relates to an interactive platform of an autonomous underwater vehicle, in particular to an underwater self-adaptive interactive platform and the autonomous underwater vehicle, and aims to solve the problems that in the prior art, efficient butt joint is difficult to realize, and underwater guidance, self-locking and unlocking of various AUVs are adapted. And meanwhile, high-power underwater energy interaction and stable underwater data interaction are difficult to realize. The guiding interaction assembly of the underwater self-adaptive interaction platform comprises a self-locking assembly and a guiding assembly. The self-locking assembly comprises a self-locking connecting frame, a locking device, a reset driving device and N self-locking guide rods arranged in parallel, the self-locking connecting frame is in sliding connection with the N self-locking guide rods, the locking device is used for locking and loosening the self-locking connecting frame, the output end of the reset driving device is connected with the self-locking connecting frame, and the output end of the reset driving device is connected with the N self-locking guide rods. The guiding assembly is further provided with a first positioning device and a first interaction assembly, and the first positioning device and the first interaction assembly are positioned and in butt joint with a second positioning device and a second interaction assembly of the autonomous underwater vehicle respectively.

The invention belongs to the technical field of anti-tumble devices, and discloses a tumble prevention device for sensing human joint position sensation and motion sensation based on brain-computer fusion, which comprises a brain-computer fusion sensing interface, an intelligent knee pad, a wearable system, a balance module, a support module and a control module, the signal is transmitted to sensory nerves through an electrode implanted into the brain, so that the sensory function is reconstructed; the mode of electromyographic signal detection and rigid structure supporting is adopted, the feature electromyographic signals before falling are collected, the mechanical supporting device is automatically triggered, supporting is guaranteed to be safe, detection and processing of the electromyographic signals of specific muscle groups before falling are achieved, and the safety of falling is improved. And the whole process of rigid support protection, alarm and sending positioning on the human body during falling is covered.

The utility model discloses an unmanned aerial vehicle arm quick release device, which relates to the technical field of unmanned aerial vehicles, and comprises a fixed outer tube, a fixed mechanism is arranged at the top of the fixed outer tube, and a pop-up mechanism is arranged on the front surface of the fixed outer tube. A button moves downwards to drive a pressing block to move downwards, when the pressing block moves downwards, a first extrusion rod is driven to move downwards, at the moment, the first extrusion rod moves downwards and extrudes a first notch formed in the inner wall of a rotating rod, the rotating rod is driven to rotate along a rotating shaft, and the protruding rod drives a first fixing block to move upwards through extrusion of a first notch in the other end on the protruding rod; according to the quick unlocking device, the first fixing block releases limiting of the first extrusion block, the purpose of quick unlocking is achieved, a user can disassemble or replace related parts conveniently, the whole process can be completed only through mechanical linkage between specific structures without the help of additional complex tools, and the operation convenience and efficiency are improved.

The invention belongs to the field of high-power solid lasers, and particularly relates to a linkage locking sheet-shaped amplifier sealing bottom plate structure convenient to disassemble and assemble. The structure comprises a bottom plate, a driving sliding block mechanism, a pi-shaped sliding frame, a sliding linkage mechanism and a positioning locking mechanism. The pi-shaped sliding frame is driven to slide by driving linear movement of the sliding block mechanism, and the locking rods of the multiple positioning locking mechanisms are synchronously controlled through the sliding linkage mechanism, so that rapid locking and unlocking operation of the sealing bottom plate is achieved. And a pre-tightening spring in the positioning and locking mechanism provides automatic pulling force, so that a firm locking effect is ensured. The linkage locking mechanism is used for replacing a screw fixing mode in the prior art, mounting and dismounting of the sealing bottom plate can be rapidly completed only through simple sliding operation, the operation process is greatly simplified, the maintenance difficulty is reduced, and the working efficiency is effectively improved.

The utility model relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.

The utility model belongs to the technical field of bath goods, and particularly relates to a supporting and adjusting device, a child bathtub and a child bath frame. The second supporting leg is matched with the first supporting leg in a relatively sliding and embedded mode, and the first supporting leg and the second supporting leg can relatively stretch out or retract back; the gear fixing structure is arranged between the supporting leg I and the supporting leg II; the gear fixing structure can be switched between a locking state and an unlocking state; when the gear fixing structure is in an unlocking state, the gear fixing structure is separated from the supporting leg I or the supporting leg II; when the gear fixing structure is in the locking state, the gear fixing structure locks the first supporting leg and the second supporting leg, and the stable supporting effect is achieved. Through cooperation of sliding stretching and gear fixing locking, the operation step of adjusting the angle of the bathtub backrest is simplified, the adaptability and comfort of body position supporting in the washing and nursing process are improved, and use is more convenient and faster.

The application discloses a lower limb supine position rehabilitation aid for sports rehabilitation training, which comprises a leg fixing plate and a foot fixing plate, the surface of the leg fixing plate is provided with a sliding rail through fixed installation, the surface of the sliding rail is slidably connected with a sliding piece, the two sides of the foot fixing plate are hingedly connected with semicircular first connecting pieces through first pin shafts, the top of the first connecting piece is fixedly connected with a first pull rod, and one end of the first pull rod is hingedly connected to one side of the sliding piece through a second pin shaft. The different hole positions of the index pin locking hole on the surface of the leg fixing plate are locked and matched with each other through the index pin, the foot fixing plate and the leg fixing plate are fixed at different angles, the setting can meet the demand of the person to be rehabilitated for different angles due to the lower limb condition, and the index pin is matched with the index pin locking hole for fixing, the operation is simple and convenient, and the unlocking and locking can be quickly realized.

The application provides a multi-stage coaxial mechanism for optical fiber winding, a base frame, and a triple shaft structure on the base frame. The triple shaft structure comprises a triple shaft rotating base connected with the base frame, a driven concentric outer shaft, a driving shaft and a driven concentric inner shaft which are sequentially sleeved on the inner side of the triple shaft rotating base and can synchronously rotate. A driven unlocking mechanism is arranged on one side of the triple shaft structure and is used for switching the synchronous or independent rotating state of the driven concentric outer shaft, the driving shaft and the driven concentric inner shaft, thereby solving the problem of rotating mode switching of the optical fiber ring tool skeleton, the fiber separating disc and the optical fiber guide assembly.

The utility model relates to a kind of for solid medicine's grinding medicine injection device, comprising: vertically arranged cylinder;Cylinder cover, the cylinder cover is with the cylinder with detachable way be connected together by rotating connecting mechanism, the cylinder and the cylinder cover are configured to form grinding chamber for receiving solid medicine in their inside, the top of the grinding chamber is formed with the feed inlet for receiving the solid medicine, and its two sides are formed with the input port for receiving liquid and the output port for discharging liquid respectively;Wherein, the bottom surface of the cylinder cover is configured with grinding assembly, the grinding assembly includes axially arranged needle, the cutting blade group around the needle arrangement and multiple convex structures distributed between the cutting blade group.The utility model also relates to a kind of medicine injection system, to improve grinding efficiency, while realizing grinding-mixing-infusion whole-process closed operation.

This utility model discloses a novel integrated fishing box, relating to the field of fishing tackle technology. It includes a one-piece molded box body and a lid hinged to the top of the box body. The top surface of the box body has a recessed receiving cavity, and the two outer side walls of the box body have integrally molded protruding mounting portions. Each mounting portion has a handle, and an elastic buckle is provided between the handle and the mounting portion. The bottom of the box body has a mounting block, and the top surface of the mounting block has an internally hollow adjusting shell. A locking seat is fitted inside the mounting block, and the locking seat has a movable through groove in its center. A support member that can enter the adjusting shell or extend from the locking seat is provided within the movable through groove. The side of the locking seat facing away from the box body has a recessed locking groove communicating with the movable through groove. The locking groove contains a locking switch, a first pivot, and a first torsion spring. The locking switch has a locking portion at the bottom and an anti-detachment portion at the top. The side walls of the box body have openings. This utility model uses a one-piece molded box body, enhancing the durability and stability of the overall structure of the fishing box.

The invention discloses a sickbed guardrail switch combining double locking and a wireless alarm system, which comprises a guardrail body, the guardrail body comprises a top rod and a bottom rod, the top rod and the bottom rod are connected through a plurality of adapter rods, and the two ends of each adapter rod are respectively connected with the top rod and the bottom rod; a mechanical lock body is mounted on one of the transfer rods, and the mechanical lock body is used for locking the transfer rod; a limiting lock head is installed at the top of the mechanical lock body and used for being mutually limited with the adapter rod, and therefore the position of the mechanical lock body is fixed. An electronic lock is arranged on the side face of the mechanical lock body, a spring bolt is arranged at the top of the electronic lock, the spring bolt can retract into the electronic lock, and the spring bolt stretches out to be used for limiting and locking the limiting lock head. The limiting lock head is installed on the mechanical lock body, the mechanical lock body can be fixed through the limiting lock head, the purpose of limiting the sickbed guardrail is achieved, and the stability of the sickbed guardrail is guaranteed; and an electronic lock is mounted on the mechanical lock body.

The present application relates to elevator technology field, specifically relates to a kind of elevator with hidden emergency device of car, including the car in hoistway, installation port is opened in the thickness direction through in car side wall, and rotatingly installed with display device in car inner wall.Display device blocks installation port, and power supply assembly, controller and speed sensor are embedded in display device.Display device is electrically locked between car, and electrically locked is used to lock display device and car.Car outside is provided with anti-falling brake mechanism, and the rear side of display device close to installation port is hinged with one end of pull rod assembly, and the other end of pull rod assembly is connected with the locking assembly of anti-falling brake mechanism after passing through installation port, and anti-falling brake mechanism has working state and locking state.In locking state, locking assembly locks anti-falling brake mechanism, and anti-falling brake mechanism does not hinder the lifting of car.

The utility model provides an unmanned aerial vehicle take-off platform, and belongs to the technical field of unmanned aerial vehicles. Comprising a bottom plate arranged in a truck hopper, a lifting component is arranged on the bottom plate, a landing platform is arranged through the lifting component, the unmanned aerial vehicle automatic locking component comprises bearing seats arranged at the two ends of one side of the landing platform, the two bearing seats are jointly connected with a two-way lead screw, and the two ends of the two-way lead screw are connected with a lifting component. A gear is arranged on the portion, close to the end, of the two-way lead screw, a rack matched with the gear is arranged on the bottom plate, nut seats connected with the landing platform in a sliding mode are arranged on the two-way lead screw in the different thread directions, push rods are arranged on the nut seats, and pressing rods used for pressing the unmanned aerial vehicle landing rack are arranged on the two sides of the push rods. When the unmanned aerial vehicle moves out of the truck hopper, the unmanned aerial vehicle is automatically unlocked, when the unmanned aerial vehicle moves into the truck hopper, the unmanned aerial vehicle landing gear is automatically locked, and the operation convenience is improved.

The utility model discloses a jackfruit planting flower promoting device which comprises a handle, a fixing cylinder, a fixing rod, a clamping mechanism, a rotating mechanism, a mounting plate, a movable groove, a locking mechanism, a lead screw and a cutter, the fixing cylinder is fixedly connected to the front end of the handle, the fixing rod is inserted into the fixing cylinder, the clamping mechanism is arranged on the upper portion of the fixing cylinder and the upper portion of the fixing rod, and the rotating mechanism is arranged on the fixing rod. The rotating mechanism is arranged at the front end of the fixing plate, the movable groove is formed in the front end of the mounting plate, the locking mechanism is arranged between the mounting plate and the movable groove, and the cutter is fixedly connected to the opposite end of the connecting plate. Compared with the prior art, the utility model has the advantages that the clamping mechanism is arranged, and the fixing rod is matched with the fixing cylinder to freely extend and retract to adjust the length; the rotating mechanism is arranged so that the mounting plate can rotate freely, and the cutting angle of the cutter is adjusted; and the locking mechanism is arranged, so that mounting and dismounting are very fast, and maintenance and replacement are convenient.