135results about How to "Prevent hitting" patented technology

The invention discloses a curtain wall glass cleaning robot. Four mechanical legs are arranged below a robot body, soft sucking discs are arranged below the four mechanical legs, a cleaning brush anda collecting mechanism are arranged in the robot body, a winding tube is arranged on the upper portion of the robot body, linear executors are arranged on the shafts of the mechanical legs, tripods which sleeve the shafts of the mechanical legs are arranged on the tops of the soft sucking discs, connecting beads are connected with other ends of the tripods, and bases fitting with the soft suckingdiscs are arranged on the side faces of the soft sucking discs; corrugated pipes which expand when heated are arranged in inner cavities of the soft sucking discs, heating bars are installed on the tops of the corrugated pipes, the corrugated pipes contain mercury, two ends of the corrugated pipes are provided with vertical grooves and positive and negative electrodes which are communicated with the mercury respectively, and the on and off of the linear executors and the heating bars are controlled by the positive and negative electrodes through a control system. According to the robot, the soft sucking discs have higher vacuum degree through the characteristics of expansion caused by heat and contraction caused by cold of the corrugated pipes and the mercury, and therefore the robot can fix on the curtain wall glass.

A self-balancing reinforced concrete bonding and anchoring performance test instrument. An inner frame is movably installed on a top plate of an outer frame. A vertical column on the inner frame is slidingly connected to the top plate of the outer frame. A loading device is arranged on the bottom of the inner frame. A reinforcing steel bar on the upper end of a specimen slidingly passes through the top plate of the outer frame and the top plate of the inner frame and is connected to a nut. A loading end fixing apparatus and a free end fixing apparatus are disposed respectively on the reinforcing steel bars at the two ends of the specimen, wherein at least one displacement meter is installed on each of the loading end fixing apparatus and the free end fixing apparatus. A measurement rod of each displacement meter is contact with an end surface of concrete of the specimen. A plurality of strain pieces are disposed on the reinforcing steel bar in the concrete. In the invention, by means of unique design of the loading end fixing apparatus and the free end fixing apparatus, the displacement meters are tightly fixed on the loading end and the free end of the specimen and meanwhile the loading end fixing apparatus is fixed at the interface between the reinforcing steel bar and concrete, so that the test instrument can be used for accurately measuring the sliding distance of the loading end and the free end during a loading process of the specimen.

The invention discloses a drawer capable of preventing children from opening. The drawer comprises a cabinet body, wherein a drawer inserting groove is formed in the cabinet body; the drawer inserting groove is internally provided with a drawer; a barrier strip is arranged below the drawer; when the drawer is closed, the barrier strip is parallel to the outer surface of the drawer; the outer surface of the drawer is provided with a handle; the barrier strip is provided with a patch; the upper end of the patch is connected with a rotating sheet in a rotating manner; the patch and the rotating sheet are provided with elastic devices; the rotating sheet extends to the lower part of the handle; the drawer inserting groove is internally provided with a first magnet; the drawer is internally provided with a second magnet; the first magnet and the second magnet are attracted to each other; the drawer inserting groove is internally provided with an electromagnet; the electromagnet and the second magnet are mutually-exclusive after the electromagnet is electrified; the electromagnet is connected with a switch. The drawer can be normally used by adults, and the children cannot pull out the drawer, thus the children are prevented form being hit by drawers fallen down from high altitudes.

The invention discloses a safety protection shed cover with the good buffering performance. The safety protection shed cover comprises connecting plates, folding plates, connecting rods and supporting springs. Four to eight supporting springs are arranged between every two connected folding plates. The end portions of the supporting springs are connected to the faces of the two folding plates. The distances between the end portions of the supporting springs and the connecting parts of the two connected folding plates are one third of the heights of the folding plates. The front lateral side and the rear lateral side of each folding plate are provided with inserted connecting parts. Every two adjacent folding plates are installed together in an inserted mode through the inserted connecting parts. The connecting rods are connected inside holes of the inserted connecting parts in an inserted mode to enable every two adjacent folding plates to be connected together. The connecting plates are arranged on the outer sides of the folding plates on the outmost sides. Installation holes are formed in the connecting plates. Fasteners are inserted inside the installation holes of the connecting plates in a connected mode to enable the ground safety protection shed cover to be installed on a ground safety protection shed support. The safety protection shed cover is simple in structure, easy to install and capable of being uninstalled at any time. In addition, the springs are arranged between the folding plates, the buffering performance of the safety protection shed cover is further improved greatly, and therefore the safety protection shed cover is quiet convenient to use.

The invention discloses a gate cracking protection method, which comprises the steps as follows: acquiring monitored environment image, acquiring the position coordinate of a cracking protection target in the monitored environment image, comparing the position coordinate of the target with the position coordinate of an early warning area, judging whether the target is located in the early warning area, and preventing a gate rod from falling if so. The gate cracking protection method can prevent the target entering the early warning area from being cracked, so as to improve the safety of a gate system.

The invention discloses a fire-fighting robot. The fire-fighting robot structurally comprises a camera, crawler walking devices, a vehicle disk, a controller, a protection cover, a water gun, a hot water gun and an anti-fall device; each of the two sides of the vehicle disk is connected to one crawler walking device, the camera is embedded in front of the vehicle disk, and the protection cover iswelded on the vehicle disk; the water gun and the hot water gun are installed on the vehicle disc, the controller is arranged on the side surface of the protection cover, and the anti-falling device is connected to the protection cover; and the protection cover is composed of a box body, supporting rods, pull ropes, a bowl plate and touch devices. The fire-fighting robot has the beneficial effectsthat the directions of the falling of the objects are sensed through eight touch rods, so that the bowl plate is inclined towards the vertical surface of the direction so that the object can slide tothe side surface of the robot conveniently; and the bowl plate is inclined by taking the gravity of the object falling off as power so that the path of material falling is changed, the object can beprevented from falling on the robot, the damage of the robot is reduced, and the phenomenon that the machine cannot be moved in the falling process is avoided.

The invention relates to snow shaking equipment, in particular to snow shaking equipment for landscape architecture trees. The accumulated snow shaking equipment for the landscape architecture trees is safe, time-saving and labor-saving, and cannot smash workers in a beating process. According to the technical scheme of the invention, the snow shaking equipment for the landscape architecture treescomprises a vehicle body, wheels, a straight sliding rail, a straight sliding block, a mounting seat, a push rod, a mounting plate and the like; the wheels are arranged on the left side and the rightside of the bottom of the vehicle body separately, a groove is formed in the left part of the vehicle body, and the straight sliding rail is arranged on the right side of the top of the vehicle body.Tree branches are clamped through the clamping blocks, a double-stacked-square-shaped sliding rod moves up and down to drive the tree branches to move up and down, so that the accumulated snow of thelandscape trees is shaken down, a swinging plate can prevent the accumulated snow from hitting the vehicle body when the accumulated snow is shaken down, whether the accumulated snow on the landscapetrees is shaken down or not can be conveniently observed through a snow guard, and the accumulated snow on the landscape trees can be prevented from falling onto a user or even blocking the sight ofthe user when the accumulated snow on the landscape trees is shaken down.

The invention discloses a drawer which comprises a cabinet. A drawer slot is formed in the cabinet, the drawer is arranged in the drawer slot, sliding rails are arranged at the bottom of the drawer slot, sliders are arranged on the sliding rails, elastic devices are arranged on the sliders, the upper ends of the elastic devices are connected with the drawer, first racks are arranged at the bottom of the drawer, and second racks matched with the first racks are arranged at the bottom of the drawer slot. When a child pulls out the high drawer, downward component force is necessarily generated, so that the elastic devices contract, the first racks and the second racks are clamped, the drawer cannot slip off, and the child is prevented form opening the high drawer and being smashed by the drawer falling from a high position.

The invention discloses a nail gripper, which is particularly suitable for matching with an automatic hitting nail hammer and used for automatically gripping nails. The nail gripper comprises a main body, a nail gripping part and a connecting part, wherein a nail accommodating cavity and a nail placing inlet are formed on the main body; the magnetic nail gripping part is arranged in the main body; the nail accommodating cavity is formed in the centre of the nail gripping part and stretches to the end face of the nail placing inlet along the axial direction of the nail gripping part; the connecting part is arranged at the other end of the main body so as to be close to the automatic nail hammer and coaxial with the gripping part; the connecting part is in sliding connection with a guide sleeve of the automatic nail hammer; and the connecting part is an inner circle, and the inner wall of the connecting part is provided with a limiting groove, so the connecting part can slide along the axial direction of the guide sleeve of the automatic nail hammer. The nail gripper solves the problem that a user holds the round nail by a hand when hitting the round nail; and the invention provides an automatic nail gripper.

The invention relates to a propeller vertical takeoff and landing aircraft with a rectifying device, and aims to provide a propeller vertical takeoff and landing aircraft which does not generate left and right torsion pendulum during takeoff and landing, flying and air stay, can steadily take off and land vertically, fly and stay in air, can ensure stable condition of the aircraft to a certain degree in emergency, and has functions of safety and energy conservation. The propeller vertical takeoff and landing aircraft comprises an aircraft body, a control device, a power device and a propeller, wherein the control device and the power device are arranged in the aircraft body, and the propeller is arranged above the aircraft body. The propeller vertical takeoff and landing aircraft is characterized by also comprising the rectifying device which comprises at least two rectifying plates in shape of a flat plate band, the plane of the flat plate is parallel to the axial direction of an aircraft screw axis, namely, vertical to a rotary plane of the propeller, and the rectifying plates are intercrossedly arranged below the aircraft body.

The invention discloses a block-type pruning device for branches and leaves growing on high trees in gardens, which comprises a telescopic link. A lithium battery is arranged in the telescopic link, and a groove is arranged on the telescopic link; two first baffles are connected to the inside of the groove. When in using pattern, extending the telescopic link to the branches and leaves so that people can prune the branches and leaves without climbing to the tree; when in pruning process, pressing the switch, a speed reducer motor rotates to drive a disc to rotate, then the disc drives a connecting rod to move up and down, and a moving rod moves up and down with the connecting rod to drive a supporting rod to open or close; when a cutting knife on the branch rod closes, the branches and leaves are cut off to finish pruning; the first baffles are used for blocking the pruned falling leaves, which can effectively avoid people being hit by the leaves. The block-type prune device for the branches and leaves growing on the high trees in the gardens is characterized in that the telescopic link can be contracted and carried conveniently, and can prune the branches and leaves in different heights; the baffles on the telescopic link can effectively prevent falling branches and leaves from hitting people and the telescopic link is also convenient to use.

The invention relates to the technical field of constructional engineering, in particular to an aerial platform facilitating maintenance of the joint of an electric tower and a cable. Theaerial platform comprises a main body mechanism; a fixing mechanism is mounted on the main body mechanism in a matched manner; a limiting mechanism for positioning the fixing mechanism slides in the fixing mechanism; a sliding mechanism is rotationally arranged in the main body mechanism; a storage mechanism is fixed on the sliding mechanism; the main body mechanism is preliminarily fixed by rotating the fixing mechanism, and the fixing mechanism rotates to enable the limiting mechanism to be clamped into the fixing mechanism when the limiting mechanism abuts against the fixing mechanism, so that the condition that the platform door is opened when the weather is severe or the platform door collides with the outside is prevented; and by treading the sliding mechanism, the sliding mechanism abuts against the storage mechanism during rotation, the storage mechanism is driven to slide, and an operator can conveniently take maintenance tools while the tools are conveniently stored and stored, so that the situation that the tools fall to hit constructors below when the maintenance action is large is advantageously prevented.

The invention discloses a multifunctional table lamp with a reminding function for elementary school students. The multifunctional table lamp comprises a lamp cover, a base and a display screen, a protective cover is arranged on the side of an opening of the lamp cover, a connecting support is fixedly connected with the other side of the lamp cover, and a rotating shaft is arranged in the tail end of the support in a penetrating mode; bearings are arranged at the two ends of the rotating shaft, a telescopic rod is arranged under the support, the lower portion of the telescopic rod is provided with a sleeve rod in a sleeved mode, a screw hole is formed in one side of the upper portion of the sleeve rod, a fastening screw is arranged in the screw hole in a matching mode, and a hook is fixed to one side of the fastening screw; and a class-schedule insert plate is arranged at one side of the sleeve rod, both the bottoms of the sleeve rod and the class-schedule are welded on the base, a pen container is fixedly arranged at the other side of the sleeve rod, a table lamp switch is arranged in the middle of the upper surface of the base, a pencil sharpener is fixedly arranged at one side of the display screen, and a battery socket is connected with one side of the base. According to the multifunctional table lamp with the reminding function for the elementary school students, through arrangement of the protective cover, a lamp bulb is protected and prevented from being hit by external objects; through arrangement of the telescopic rod and the sleeve rod, the height of the table lamp can be adjusted; and the table lamp is reasonable in design and suitable for being promoted and used.

The invention discloses a locking mechanism for a seat after being lifted. The locking mechanism for the seat after being lifted comprises a locking block, an L-shaped supporting block, an elastic element and an unlocking plate, wherein the locking block is fixed on a seat cushion framework side plate; the L-shaped supporting block is shafted on an upper slide rail in a seat slide rail; the elastic element is released so that the L-shaped supporting block enters a locking state; the unlocking plate is fixed on a lower slide rail in the seat slide rail in an appropriate position; and when the unlocking plate touches the L-shaped supporting block, the L-shaped supporting block is impelled to overcome the resistance of the elastic element to return an unlocking state. According to the locking mechanism for the seat after being lifted, only by using the locking block, the L-shaped supporting block, the elastic element and the unlocking plate, the seat can be supported after being lifted so that feet of passengers in the third row can be prevented; meanwhile, by using the locking block, the L-shaped supporting block, the elastic element and the unlocking plate, the unlocking of the seat in the returning process can also be realized so that the seat is automatically unlocked in the returning process.

The invention discloses a glass transport packaging box. The glass transport packaging box comprises a main backup plate, rotating shafts, cover plates, hooks, rubber cushions, a pressure adjusting shaft lock catch and buckle rings, wherein the rotating shafts are installed on the upper part of the main backup plate, the upper ends of the rotating shafts are connected with the cover plates, the hooks are installed at the top ends of the cover plates, and the handle is installed on the side edge of the main backup plate; glass placing chambers are arranged on the two sides of the main backup plate, pressure adjusting devices are installed on the inner sides of the glass placing chambers, air bags are installed at the tail ends of the pressure adjusting devices, vibration reduction supporting legs are arranged at the lower end of the bottom plate, and pressure adjusting shafts are installed among the vibration reduction supporting legs; and auxiliary sliding wheels are installed on the outer sides of the pressure adjusting shafts, pressure plates are installed at the upper ends of the auxiliary sliding wheels, the pressure adjusting shaft lock catch is installed between the pressureadjusting shafts, and the buckle rings are installed at the upper end of the pressure adjusting device. The glass transport packaging box wraps around the glass through plates, the glass is preventedfrom colliding with an object during transportation, and the defect that the glass is damaged in a transportation process is avoided.

An easy assembly and disassembly ground security protection shed cover comprises connection plates, folding plates, connection rods and shaping rods; insertion portions are arranged on front side edges and rear side edges of the folding plates; the insertion portions of the front side edge and the rear side edge of a single folding plate are arranged in a stagger mode; the two adjacent folding plates are installed through insertion portions in an insertion mode; the connection rods are connected with insertion portion holes through insertion to enable the two adjacent folding plates to be connected; the external sides of the outermost folding plates are provided with the connection plates which are provide with the installation holes; left side edges and right side edges of the folding plates are provided with positioning holes; unit rods are connected in a thread mode to form into the shaping rods; every unit rod is provided with two holes; and the shaping rods are fixed on the two side edges of the folding plates through positioning parts. The easy assembly and disassembly ground security protection shed cover has the advantages of being simple in design, being capable of disassembling at any time, enabling the shed top size to be changed according to different building conditions and being greatly convenient to use.

The invention discloses an urban intelligent lighting street lamp, and particularly relates to the field of lighting street lamps, the urban intelligent lighting street lamp comprises a base, a supporting column is fixedly arranged at the upper end of the base, a driving motor is fixedly arranged in the supporting column, a rotating shaft is fixedly arranged at the output end of the driving motor, and two connecting rods are fixedly arranged at the upper end of the rotating shaft; two arc-shaped through holes are formed in the supporting column, the ends, away from the rotating shaft, of the two connecting rods penetrate through the arc-shaped through holes and are connected with an installation sleeve arranged on the outer side of the supporting column, a fixing rod is fixedly arranged on one side of the installation sleeve, and an advertising board is fixedly installed at the end, away from the installation sleeve, of the fixing rod. The driving motor can drive the connecting rod to rotate through the rotating shaft, and the connecting rod can drive the mounting sleeve to rotate between the arc-shaped through holes, so that the advertising board can rotate, the advertising board is in the same direction as the wind direction, and the wind resistance of the advertising board can be reduced.

The invention provides a buffering shell pressure detection device for new energy automobile production. The buffering shell pressure detection device for new energy automobile production comprises a detection box, a supporting mechanism, a pressure detection mechanism, a clamping mechanism, a material pushing mechanism, a closed protection mechanism, a driving mechanism, an observation mechanism, a mounting mechanism, a protection cover and a through groove. The new energy automobile shell is clamped and fixed through the clamping mechanism, so that the new energy automobile shell is kept in the center position in the detection cavity, pressure detection on the new energy automobile shell is facilitated, the detection stability of the new energy automobile shell is improved, the pressure resistance of the shell for new energy automobile production is detected through a pressure detector, and in the pressure detection process, a sliding block is driven to slide in a sliding cavity in a connecting cylinder to extrude a spring, so that a lateral pressure plate and a top pressure plate are buffered, the pressure detector is prevented from being damaged due to excessive pressure, the safety performance of the device is improved, and the service life of the device is prolonged.

The invention discloses an earthquake life saving bed, comprising a bed body, a first bed board and a second bed board arranged above the bed body, and an earthquake wave detector and a controller which are arranged on legs of the bed body, wherein electric locking switches are arranged on the lower surfaces of the first bed board and the second bed board, both the first bed board and the second bed board are connected with the bed body by a hinged; the controller is electrically connected with the earthquake wave detector, the controller is electrically connected with the electric locking switches to be used for controlling the opening and closing of the electric locking switches; bed board protective plates are arranged at the peripheral side of the bed body, and a first anti-hitting device and a second anti-hitting device are arranged along the outer side of the length direction of the bed board protective plates. By using the life saving bed disclosed by the invention, a person canslip into the bed body the first time when earthquake comes, and the first anti-hitting device and the second anti-hitting device can prevent the person in the bed body from being hit, and therefore,personal safety is ensured, and the person in the bed body can wait for rescue.

The invention discloses an unfreezing apparatus for unfreezing of fruits and vegetables. The unfreezing apparatus comprises a rack, an unfreezing groove, a transmission network belt and a power source driving the transmission network belt to move. The unfreezing groove is mounted on the rack, the transmission network belt is located in the unfreezing groove, the rack is also provided with an icebreaking structure, and the icebreaking structure consists of a feed channel and icebreaking plates, both sides inside the feed channel is provided with a plurality of the icebreaking plates disposed inclinedly, and the icebreaking plates on both sides are staggered. The lower end of the feed channel is located above the transmission network belt feed side. After unfreezing of fruits and vegetables by the unfreezing apparatus provided by the invention, no ice cube exists, and the unfreezing effect is excellent.