318results about How to "Prevent falling damage" patented technology

The invention discloses a mining excavator with a cabinet damping device in the technical field of excavators, comprising a damping shell, the other end of the air pressure damping rod is hinged to a transmission rod through a connecting piece, and the shock absorbing base The four corners of the bottom are equipped with shock-absorbing feet, the top of the shock-absorbing base is uniformly provided with shock-absorbing airbags, the outer walls of the left and right sides of the shock-absorbing shell are symmetrically provided with two sets of adjusting screws with the same structure, and the guide plate is opposite to the top of the inner wall. There are two sets of guide pulleys with the same structure symmetrically to the bottom. The device is easy to operate. Rotate the adjustment screw to make the guide pulleys clamp the frequency conversion cabinet to prevent the frequency conversion cabinet from shaking left and right in the inner cavity of the shock-absorbing shell. The shock-absorbing base passes the shock-absorbing The airbag is equipped with a frequency conversion cabinet, and the shock-absorbing airbag evenly transmits the vibration of the frequency conversion cabinet to the shock-absorbing base. , to improve the stability of the frequency conversion cabinet.

The invention discloses an automatic vending machine. The automatic vending machine comprises a box body, goods shelves, separating parts, first synchronizing wheels, second synchronizing wheels, push plates, first gears, a goods receiving groove, a lifting mechanism, a movement assembly and a driving structure. The first gears are arranged at the ends of the first separating parts, and the first gears and the first synchronizing wheels are in transmission connection. The movement assembly and the driving structure are in transmission connection, the movement assembly is used for driving the driving structure to move from one side of each goods shelf to the other side of the goods shelf along the goods receiving groove, and second gears and the first gears are meshed in the process that goods are pushed by the push plates from goods channels to the goods receiving groove. According to the automatic vending machine, the operation that motors are correspondingly arranged on the goods channels is not required, when the driving structure on the goods receiving groove is moved to the end of each goods channel, the driving structure on the goods receiving groove can drive the corresponding first gear to work, the purpose that the goods are pushed out of the goods channel can be achieved, and therefore the number of the motors can be greatly reduced, and the cost of the automatic vending machine can be reduced.

A walking detection control method for a self-moving robot, comprising: step 100: presetting in the self-moving robot a fundamental displacement change value ΔS0; step 200: placing the self-moving robot into the work area, the robot beginning to walk normally, a displacement detection sensor scanning in real time the linear distance between its installed position and the work area walking surface, recording the linear distance S2 at the present moment and the linear distance S1 one moment earlier, and calculating in real time the difference between the two linear distances to yield the real-time displacement change value ΔS1; step 300: determining whether ΔS1 is greater than or equal to ΔS0; if not, then the self-moving robot continuing to walk normally; if so, then the control unit controlling the self-moving robot to decelerate. The method accurately determines walking environment conditions and effectively prevents the self-moving robot from malfunctioning and from falling down and becoming damaged.

The invention discloses a rotating plate transition type two-way loading and unloading machine and relates to the field of logistics transportation goods loading and unloading mechanical equipment. The rotating plate transition type two-way loading and unloading machine is composed of a bearing trolley, a middle conveyor, two belt conveyors, a material blocking device, a slippage device, a lifting device and an operation control system of the rotating plate transition type two-way loading and unloading machine. The rotating plate transition type two-way loading and unloading machine is simple in structure, reliable in work, economical, practical, capable of saving energy and environment-friendly; the rotating plate transition type two-way loading and unloading machine is closed up during walking, the appearance size is small, and movement and field transferring are convenient and fast; the rotating plate transition type two-way loading and unloading machine is unfolded in work, the operation range is large, the logistics direction can be guided and changed, and positive and negative two-way loading and unloading are achieved; the work orientations and postures of the belt conveyors can be adjusted so that the rotating plate transition type two-way loading and unloading machine can adapt to goods loading and unloading point changes, and direct reaching of goods is achieved through one time of loading and unloading; the goods can directly enter a compartment, a goods cabinet and a container to be operated, auxiliary carrying is reduced, the labor intensity is relieved, the operation time is shortened, the loading and unloading work efficiency is improved, and the loading and unloading carrying cost is reduced; and the goods falling difference is small in the loading and unloading conveying process, transition is stable and free of impacting, dust discharge can be reduced, the work environment is improved, falling damage during transition delivery of articles is avoided, and the loading and unloading safety of the goods is guaranteed.

The invention provides a control method of a camera module, which relates to the technical field of terminal structure. The camera module of the invention is movably arranged on the housing of the mobile terminal, and the moving position of the camera module comprises a first position capable of exposing the housing for external photographing and a second position capable of being hidden in the housing. The control method comprises the following steps: judging whether the camera module is in the second position; and the camera module is movably arranged on the housing of the mobile terminal. If so, the camera module is turned off. The invention also provides a control device of a camera module and a mobile terminal. By adding a detection device for detecting the position of the camera module, the controller controls the camera module to be closed when the camera module is hidden in a housing, thereby saving energy and avoiding unnecessary power consumption.

The invention discloses a vending machine. The vending machine comprises a cabinet body, goods shelves, partition pieces, first moving components and pushing plates. One or more rows of goods shelves are arranged inside the cabinet body. Installing plates are connected with the ends of each goods shelf, and each installing plate is provided with an installing groove or multiple installing holes. The one or more partition pieces are arranged in the goods shelves, each goods shelf is divided into one or more goods channels, and the end of each partition piece is detachably installed in the corresponding installing groove or the corresponding installing hole. The first moving components are in one-to-one correspondence to the partition pieces, and each first moving component is installed on the corresponding partition piece. The pushing plate are in one-to-one correspondence to the goods channels, and each pushing plate is arranged on the corresponding goods channel. Each first moving component is in transmission connection with the corresponding pushing plate so that each pushing plate can be moved from one end to other end of the corresponding goods channel. By means of the vending machine, the partition pieces can be detached and installed conveniently, the positions of the partition pieces on the installing plates can be adjusted, the width of each pushing plate can be changed correspondingly, and therefore the goods shelves of the vending machine can adapt to the goods dimensions in a wide range.

The invention discloses a fruit picker. The fruit picker comprises a straight rod, a fruit basket and a pair of scissors. A horizontal fixing support, a first support and a second support are arranged at the upper portion of the straight rod, the first support and the second support are obliquely arranged, and a boss is arranged at the lower portion of the straight rod. A pincers type handle is arranged on the boss. A disc spring is arranged on the fixing support. The upper end of the fruit basket is arranged at one end of the disc spring. The first support is connected with the movable side face of the fruit basket through a long and thin spring. The hinge joint of a movable blade and a fixed blade in the scissors is arranged at the upper end of the straight rod. A lengthened arm of the fixed blade is fixed to the straight rod through the second support. Two guide wheels are vertically arranged on the side, opposite to the lengthened arm of the movable blade, of the straight rod in a spaced mode. A steel wire rope is arranged at the end of the lengthened arm of the movable blade. The steel wire rope winds around the two guide wheels to be connected with the pincers type handle. The fruit picker can be used for picking fruit conveniently and prevent the fruit from falling and being damaged.

The invention discloses a multifunctional ceramic artware show shelf. The show shelf comprises a base, a circular clamping block is arranged on the inner wall of the base through a circular clamping groove, and the bottom of the circular clamping block is provided with a first driving motor through a first rotating shaft; a supporting column is fixedly connected with the upper end of the round clamping block; the end, away from the circular clamping block, of the supporting column is fixedly connected with a supporting plate; the upper end of the supporting plate is fixedly connected with a top plate through a central shaft, a plurality of limiting blocks are uniformly arranged on the outer wall of the upper end of the supporting plate in a surrounding mode, and first fixing blocks are arranged at the upper ends of the limiting blocks; the upper ends of the first fixing blocks are fixedly connected with display cabinets, U-shaped clamping bases are arranged on the bottom walls of the inner sides of the display cabinets, and artware bodies are arranged in the U-shaped clamping bases. The show shelf is simple in structure and easy to detach and can display artware in all directions, the artware is more attractive under the irradiation of lamplight, and the situation that the ceramic artware falls off and is broken can be avoided.

The invention discloses a scaffold hanging basket. The scaffold hanging basket comprises a back plate (1), wherein hooks (2) are welded on the outer side surface of the upper end of the back plate (1) in a mirror image manner; a base plate (3) is vertically welded on the inner side surface of the lower end of the back plate (1); protective rods (4) are welded on the base plate (3); guard rails (5) are welded on the protective rods (4) to integrally form a cuboid structure together with the back plate (1) and the base plate (3); screw holes are formed in positions close to the bottom of the back plate (1); screws (6) are arranged in the screw holes, and meanwhile are in threaded connection with the screw holes in a matching manner; head rings (7) are fixed at one ends of the screws (6), and hand wheels (8) are fixed at the other ends of the screws (6). The scaffold hanging basket is simple in structure and convenient to use, can be directly hung on a frame column template during pouring of the frame column, reduces a scaffold construction procedure so as to complete the overall progress of construction 1-2 working days in advance, has higher overall stability, can effectively avoid damage caused by high falling, and guarantees production safety.

The invention discloses a roundness and cylindricity measurement device. The device comprises a base, a measurement system arranged on the base, and a rotating system; the measurement system comprisesa horizontal movement portion, a vertical movement portion connected with the horizontal movement portion, and a detecting portion arranged on the vertical movement portion; the detecting portion includes an angle adjusting device and a laser detector; the horizontal movement portion controls the laser detector to perform fore and aft movement in a horizontal direction; the vertical movement portion controls the laser detector to move up and down; and the angle adjusting device is provided with a third motor and a first turntable and adjust an angle between the laser detector and the horizontal direction, so that the deviation detection of the circular shape of the annular protruding portion of a cylindrical product to be measured can be realized. The device of the invention has a wider application range.

The invention relates to a wall-brick laying device for an inner wall in building construction, and discloses a wall brick laying device. The wall brick laying device travels along the wall surface, two wall bricks are compressed and fixed on the wall surface through matching of a rotating plate and a pressing plate, and a gap can be reserved, the precision of wall brick laying can be improved, and the laying efficiency is improved. The wall brick laying device is characterized in that two sets of fixing rods are arranged at the bottom of a fixing plate, each set of fixing rods is composed oftwo fixing rods, a fixing ring is arranged at one end of each fixing rod, and a transverse rod penetrates through the two fixing rings in the same set; a fixing bearing is arranged between each transverse rod and the corresponding fixing ring, two idler wheels are arranged at the two ends of each transverse rod correspondingly, and two supporting plates are arranged on the front side and the rearside of the fixing plate correspondingly and get close to the left side of the fixing plate; and the two sides of the rotating plate are hinged to the two supporting plates correspondingly, two connecting lugs are arranged on the fixing plate, rotating lugs are arranged between the two connecting lugs and hinged to the two connecting lugs correspondingly, the bottom of an oil cylinder is arrangedon the rotating lugs, and a rotating block is arranged at one end of a piston rod on the oil cylinder.

The invention discloses a liquid crystal panel spacer, which comprises a spacer main body and at least one hanging lug connected with the edge of the spacer main body, wherein the hanging lug is used for being fixed on a liquid crystal panel package box. The invention also discloses the liquid crystal panel package box. A position limiting press strip matched with the hanging lug of the liquid crystal panel spacer is arranged on the liquid crystal panel package box; the liquid crystal panel spacer can achieve a buffer vibration reduction effect; meanwhile, the liquid crystal adhesion can be prevented; the spacer damage is avoided. When the upper layer liquid crystal panel is taken away, the liquid crystal panel spacer cannot be taken away together; the packaging reliability is high; the liquid crystal panel in the liquid crystal panel package box can be very conveniently taken away.

The invention provides a multifunctional intelligent network management computer network monitor installation structure, which relates to the technical field of monitor installation, and comprises a control cabinet. A top plate is welded to the top part of the control cabinet, and is movably connected with a side plate through a hinge; a lifting rod is inserted into the control cabinet; a rotary tank is welded to the bottom part of the lifting rod; a rotary column is arranged on the bottom part of the rotary tank in a penetrating way; the bottom part of the rotary column and the top part of abottom tank are welded; and a fixing piece is arranged on the bottom part of the bottom tank. According to the multifunctional intelligent network management computer network monitor installation structure, a motor controls screw rods to rotate so as to drive turbines to move up and down on outer surfaces of the screw rods, and a connecting rod with two ends being welded with side walls of the twoturbines drives a lifting rod to move up and down, so that the whole part below is driven to lift up and down, the height of a monitor after installation can be adjusted, a monitoring range of the monitor is controlled conveniently, and the monitor can more flexibly and reliably monitor.

The invention discloses an improved type water tobacco pipe which includes a tobacco pipe bowl seat, a tobacco pipe bowl, a tobacco pipe with a tobacco tube arranged therein, a water container, a hose and a tobacco holder, wherein the cavity of the tobacco pipe and the opening of the water container are connected with each other through at least one pair of buckle hole and buckle post; the buckle hole is formed in the side wall of the cavity; the buckle post is arranged on the outer wall of the opening of the water container and extends outwards; the buckle hole is mainly composed of a notch-shaped inlet and a bayonet; the inlet is communicated with the bayonet through a communicating hole matched with the buckle post cross section; the center of the bayonet is lower than that of the communicating hole, so that the buckle post can enter to the position corresponding to the communicating hole through the inlet; the tobacco pipe rotates relatively to the water container to enable the buckle post to enter the bayonet via the communicating hole and to be buckled, so as to connect the tobacco pipe and the water container, or reverse operations are carried out to enable the buckle post and the buckle hole to be separated to separate the tobacco pipe and the water container. According to the invention, the buckle post is buckled in the bayonet and is not easy to pull away, so that the water container can be effectively prevented from falling off and being damaged; when the tobacco pipe and the water container are separated, the operation is stable, and the charcoal and tobacco shred are not easy to fall off.

Provided is a novel energy automobile charging pile. The pile includes a charging pile body, a cable frame is fixedly installed inside the charging pile body, sliding grooves extending upwards and downwards are symmetrically formed in the left and right sides of the cable frame, the rear ends of the sliding grooves are provided with racks in a sliding mode, a communicating groove making the two sliding grooves communicated is formed in the charging pile body and below the cable frame, and a guiding column is fixedly installed between the bottom wall of the communicating groove and the cable frame and provided with a connecting arm in a sliding mode; the connecting arm is fixedly connected with the lower ends of the two racks; a rotating shaft is rotatably installed in the cable frame through a rotating bearing, and both ends of the rotating shaft penetrate through the cable frame and extend into the sliding grooves and are fixedly provided with gears meshed with the racks; a winding roll is fixedly installed on the rotating shaft and provided with a cable penetrating through a through hole in the front end wall of the cable frame, the tail end of the cable is fixedly provided with a charging gun, and a lifting driving device is also installed in the communicating groove.

The invention discloses a fixed bolt which comprises a butt joint sleeve, a pulling cover, an elastic element and a clamping element, wherein the butt joint sleeve at one side of a sleeve body extends to form a fixed part; the interior of a sleeve body is provided with a through groove, an opening and a through hole, and the opening and the through hole are arranged at two sides of the through groove; the inner side wall of the through groove is annularly provided with a positioning part; the outer side of the opening of the butt joint sleeve is provided with the cover body of the pulling cover; the elastic element is arranged in the through groove of the butt joint sleeve; the clamping element is provided with a rod body one side of which is sleeved with the elastic element and then is fixedly connected with the pulling cover; the other side of the rod body extends to form a fixed head pushed and propped by the elastic element; the side wall, which is close to the propping surface, of the fixed head is annularly provided with a propping part, so that the butt joint sleeve is installed on a preinstalled first plate body, and after the fixed head of the clamping element is inserted and fixed in a plurality of clamping holes on a preinstalled second plate body so as to achieve positioning, if the pulling cover is pulled to drive the fixed head of the clamping element to extrude the elastic element, the positioning can be achieved by the fixed head through utilizing the propping part and the positioning part of the through groove of the butt joint sleeve, thus the pulling cover is convenient to disassemble and assemble without continuous application of force.

The invention discloses an assembly protecting device for an outer shell rack of an electronic product. The device comprises a frame, fixed seats, a transverse plate, a mounting plate, an oil cylinderand a processed part. The fixed seats are fixedly mounted at two ends of the bottom of the frame, the processed part is fixed to the upper part of the mounting plate, two slide rails are fixedly connected to two ends of the top of the mounting plate in the width direction, and sliding grooves are formed in the middle ends of the interiors of the slide rails in the length direction and in the mounting plate and the transverse plate in the width direction. The middle end of the bottom of a rotating plate is longitudinally connected to a rotary shaft, and a horizontally arranged bottom plate isfixedly connected to the bottom of the rotary shaft. The assembly protecting device can fix the outer shell of the electronic product stably, is convenient and rapid to fix, suitable for processed parts of shells of different dimensions and good in adaptability. The assembly protecting device can prevent the outer shell from falling to be damaged in assembling processing, so that the safety is improved. Meanwhile, a plurality of outer shells are fixed, so that the processing efficiency is improved.

The invention belongs to the technical field of curtain wall detection, and discloses a building curtain wall engineering detection device, which comprises a pressure box, an electrifying device, a shunting air pipe, a lower connecting air pipe and two traction ropes, wherein a base is fixedly mounted in the middle of the bottom of an inner cavity of the pressure box, and a lifting cylinder and a spring are fixedly mounted in the middle and on the periphery of the top of the base respectively. The lifting cylinder, the lifting type water spraying device, the air injection body and other structures are arranged to work in a matched mode to achieve the purposes of high working efficiency and high integration degree, a four-way pipe structure is arranged in the air injection body, an electromagnetic valve controlled through stepless speed regulation is matched, and gas can be conveyed to a needed place according to needs; the three-property detection works by virtue of initial wind power, and the three-property detection works by virtue of the set of equipment, so that the overall working efficiency is greatly improved, the occupied area of the traditional equipment is also reduced, and the intensification degree is high.

The invention belongs to the field of mine machines, and particularly relates to a mine machine damping base. For the problems that potential safety hazards exist in an existing mine machine damping base, the damping manner is single, and the damping effect is common, the following scheme is provided at present, the mine machine damping base comprises a base body, an installing plate, a fixing assembly, a first damping assembly, a second damping assembly, a third damping assembly and a damping moving assembly; an opening is formed in the base body; the installing plate is arranged in the basebody through the opening; the fixing assembly is arranged at the upper end of the installing plate; the first damping assembly and the second damping assembly are arranged at the lower end of the installing plate; the third damping assembly is arranged on the periphery of the opening; and the damping moving assembly is arranged at the bottom end of the base body. The mine machine damping base is provided with the fixing assembly, through rotation of a threaded rod, a clamping plate is pushed towards the equipment, the equipment is clamped from the side face, and equipment fixing is finished; and through cooperation of the first damping assembly, the second damping assembly and the third damping assembly, multiple manners are adopted, actions are conducted from multiple angles, and the purpose of damping is achieved.

The invention provides a new energy vehicle charging pile which comprises a charging pile body, wherein a cable frame is fixedly mounted in the charging pile body; sliding chutes capable of extending up and down are symmetrically arranged at the left and right sides of the cable frame; a rack is mounted at the rear end of each sliding chute in a sliding mode; a connection groove for connecting the two sliding chutes is formed in the charging pile body and positioned below the cable frame; a guide pillar is fixedly mounted between the bottom wall of the connection groove and the cable frame; a connecting arm is mounted on the guide pillar in a sliding mode; the connecting arm is fixedly connected with the lower ends of the two racks; a rotating shaft is rotatably mounted in the cable frame through a rotating bearing; two ends of the rotating shaft pass through the cable frame and extend into the sliding chutes; gears meshed with the racks are fixedly mounted at the two ends of the rotating shaft; a winding roll is fixedly mounted on the rotating shaft; a cable is mounted on the winding roll and passes through a through hole formed in the front end wall of the cable frame; a charging gun is fixedly mounted at the tail end of the cable; and a lifting driving device is also mounted in the connection groove.

The invention discloses an optical disc fixing mechanism for optical disc manufacturing, and relates to the technical field of optical disc manufacturing equipment, the optical disc fixing mechanism comprises a transmission shaft, a fixing table and an optical disc, the surface of the fixing table is fixedly connected with a rotary table, an operation cavity is formed in the fixing table, and thesurface of the rotary table is fixedly connected with a limiting cylinder; and a fixing mechanism is arranged on the inner wall of the operation cavity and comprises two first connecting rods. According to the invention, through the mutual cooperation of the structures, the optical disc can be effectively fixed in the manufacturing process of the optical disc, the optical disc is prevented from falling off and being damaged due to displacement in the manufacturing process of the optical disc, an operator can conveniently store and take the optical disc, no extra operation tool is needed, the use is simple and rapid, and the production efficiency is greatly improved. The problems that a traditional optical disc production fixing device is inconvenient to use, the labor intensity of operators is increased, and the fixing effect is poor are solved.

The invention discloses a gravity unloading device in the assembly and adjusting processes of lightweight parts of a spacecraft. The gravity unloading device comprises a horizontal top plate, an air foot mechanism, a spring mechanism and a protection mechanism, and negative pressure or magnetic adsorption is achieved between the upper part of the air foot mechanism and the lower part of the horizontal top plate; and the air foot mechanism comprises a vacuum negative pressure adsorption unit, a micro-pressure air film drag reduction unit and a fixing frame, wherein the vacuum negative pressureadsorption unit and the micro-pressure air film drag reduction unit are placed on a fixing disc of the fixing frame, and the micro-pressure air film drag reduction unit is placed on the outer side ofthe vacuum negative pressure adsorption unit. According to the gravity unloading device in the assembly and adjusting processes of the lightweight parts of the spacecraft, through a constant force spring system, the gravity balance of the lightweight parts of the spacecraft is achieved, and the technical requirements of gravity unloading in the processes of ground assembly and deployment test of large-size lightweight parts of the spacecraft can be met.

The invention discloses an electromagnetic capacitance double-touch frameless ultra-narrow ultra-thin education touch all-in-one machine. The electromagnetic capacitance double-touch frameless ultra-narrow ultra-thin education touch all-in-one machine comprises a face frame, a capacitance touch module, an electromagnetic touch module, a rear housing and a rubber sucker. The right side of a capacitance film is provided with liquid crystal glass, and the right side of the liquid crystal glass is provided with an optical module. The left side of the electromagnetic touch module is provided with an optical module, and the right side of the electromagnetic touch module is provided with a back plate. The upper part of the back plate is connected with an electromagnetic film conversion plate, a capacitance film conversion plate and a liquid crystal display TCON plate, and the lower part of the electromagnetic film conversion plate is provided with a horn. The right side of the horn is provided with a key, and the bottom of the key is provided with a remote control panel. The right side of the key is provided with a main board. The right side of the remote control panel is provided with a computer, and the right side of the computer is provided with the rear housing. The bottom of a suspension bracket is connected with a fixing lock button by a baffle. The education touch all-in-one machine is provided with a touch control module and a computer module. The education touch all-in-one machine can be used as a common television for receiving a television program, and used as teaching multi-media.

The invention relates to a concrete pipe culvert transportation crane used for road construction. The crane includes a support plate. A main supporting frame is fixedly installed on the upper end of the support plate. A transportation fixing trough body is fixedly installed on one side of the lower end of the main supporting frame. Separation boards are fixed to the upper end of the transportation fixing trough body, and a plurality of fixing troughs are uniformly and symmetrically distributed at two sides of the separation boards. A rotary shaft is rotatably installed on the top end of the main supporting frame. An assistant supporting frame is fixedly installed on one end of the rotary shaft. A hoisting body is slidingly installed on the lower end of the assistant supporting frame. A balance beam is fixedly installed on the lower end of a moving slide block. Two hooks are fixedly and symmetrically installed on the lower end of the balance beam. A balance fastening beam is fixedly installed on the lower end of a hoisting rope. The concrete pipe culvert transportation crane is convenient to move and operate, can be used for hoisting construction materials which can be hooked and hoisted easily and hoisting and moving circular pipe culverts. In addition, materials are stable during the transportation process, so that the crane is high-effective and safe.

The invention provides an insulator replacement device. Through additionally arranging a rope winding column, a fixed pulley No.3, a fixed pulley No.2, a fixed pulley No.1 and a lifting hook, when theinsulator replacement device is actually used for replacing an insulator, an electrician prejudges heights of different types of insulators, a rope body at the bottom end of a lifting and lifting rope is wound to reserve a length, the length of the lifting and lifting rope can be adjusted according to different needs, the additionally arranged lifting and lifting rope and an elastic compression spring can plug an opening at all times when the insulator is lifted, thereby avoiding the fall-off and damage phenomena caused by operations of shaking and the like.

The invention discloses an improvement of a tool magazine mechanism of a central processing machine. The tool magazine mechanism comprises a cutter head, a plurality of cutter clamp seats, a plurality of clamp arms and a driving device, wherein the cutter clamp seats are respectively arranged around the cutter head; one end of each clamp arm is pivoted with each cutter clamp seat, and the other end of each clamp arm is used for clamping a cutter; the clamp arms are respectively provided with a locating wheel, and the locating wheels are arranged correspondingly to the cutter clamp seats; the cutter clamp seats are respectively provided with a rod body which is internally provided with an elastic component in a penetrating way; each elastic component leans against a steel ball; and the steel balls lean against the peripheries of the locating wheels. Therefore, the tool magazine mechanism can be used for guiding when the clamp arms rotate and buffering when the cutter is loosened by a spindle, so that the danger that the cutter falls off due to the time difference when the cutter is retracted between the spindle and the clamp arms can be avoided.

The invention discloses a charging device of an electric automobile and an operating method thereof. The charging device comprises a supporting column, wherein the top of the supporting column is fixedly connected with a machine body through bolts; a processor and a controller are arranged inside the machine body; the processor is positioned on one side of the controller; a panel is arranged on the outer wall of one side of the supporting column; a power switch and an electric leakage protection switch are embedded in the outer wall of the side, far away from the machine body, of the panel; the power switch is positioned on one side of the electric leakage protection switch. According to the charging device, a socket can be sealed inside the charging device through a movable cover plate, the problem that the socket is exposed outside to be easily affected by dust and rainwater is avoided, the problem that the socket is damaged under the influence of external factors is further avoided,air inside the accessories of the socket can be pumped away through a draught fan and a single-way tube, and the problem that electrical components are affected by damp and damaged to trigger safetyaccidents because rainwater inside air permeates into the charging device through the socket is avoided effectively in a formed vacuum environment.