44results about How to "Prevent shaking and falling off" patented technology

The invention relates to the technical field of abrasive grinding devices, and discloses a convenient-to-replace abrasive grinding device. The convenient-to-replace abrasive grinding device comprisesa rotating rod, wherein one side of the rotating rod fixedly is fixedly sleeved with one side of a driving motor output shaft; the outer part of the rotating rod is fixedly sleeved with a grinding tool limiting plate positioned on one side of the driving motor output shaft; the outer part of the rotating rod is fixedly sleeved with a fixing sleeve positioned on one side of the grinding tool limiting plate; squeezing cavity grooves formed in the top and the bottom of the rotating rod are formed in the front surface of the fixing sleeve; clamping grooves are formed in the top and the bottom of the fixing sleeve; fixing and squeezing plates are arranged inside the two clamping grooves. According to the convenient-to-replace abrasive grinding device, the grinding tool limiting plate, the fixing and squeezing plates and a fixing plate are matched for use, and a mould damaged in the grinding process is convenient to replace, so that the grinding efficiency is avoided from being affected by arelatively cumbersome replacing process; meanwhile, a grinding tool is limited and fixed, so that high stability between structural units is achieved.

The invention relates to the technical field of large storing equipment and discloses a large refrigeration house goods shelf preventing an article from shaking and falling. The large refrigeration house goods shelf comprises a refrigeration house. An article storing shelf is arranged in the refrigeration house. A handle is arranged on the bottom of the article storing shelf. The handle is pulleddownwards to enable a transverse plate to move downwards. The transverse plate moves downwards to drive an inserting rod to move downwards and compress a supporting spring. The inserting rod moves downwards to drive a punch to move downwards. Without extrusion of the punch, a first hinge block and a second hinge block move toward the inner side under the effect of a limiting spring and a limitingblock. At the moment, an article can be placed in an article storing groove. After the article is placed, the handle is released. The inserting rod moves upwards under elastic force of the supportingspring. The inserting rod moves upwards to drive the punch to move upwards. The punch moves upwards to extrude the first hinge block and the second hinge block on the two sides, thus the first hinge block and the second hinge block deflect toward the outer side so as to fix the position of the article, and the purpose of preventing the article from shaking and falling is achieved.

The invention provides a manufacturing and processing process of an electrical insulating material. The manufacturing and processing of the electrical insulating material is completed by the cooperation of an annular sleeve, a fixing unit, a drilling unit, an adsorption unit and an insulating material plate to be processed. According to the manufacturing and processing process of the electrical insulating material provided by the invention, the problems that most of punching holes of a circular insulating material plate are radial, the current radial punching mode is difficult to maintain thestability of the circular insulating material plate, the circular insulating material plate shakes to affect the punching quality, an existing punching mode is easy to block with the insulating material plate, the penetration capability of a needle to the insulating material plate is further influenced, and the like can be solved.

The invention provides a luggage rack for a passenger train, which comprises an L-frame, a storage compartment, movable door and luggage compartment adjustment fixture, the invention can solve the problem that a luggage rack on a train is inconvenient to a woman, older people and shorter people lift heavy suitcases over their heads and put them on the luggage rack, Remove the luggage compartment when the passenger arrives at the station. Due to the space limitations of the luggage compartment, inconvenient to take out one's luggage, and the train safety officer need to check the overhead luggage rack for possible falling off of the items in each car, as well as unprotected luggage racks, threatening the safety of passengers at all times, The invention can realize the functions of conveniently placing the heavy luggage box on the luggage rack and fixing the luggage box overhead for women, old people and short people, and has the advantages of reducing the working intensity of the trainsafety personnel, ensuring the personal safety of passengers, facilitating the access of passengers to the luggage box, and the like.

The invention discloses a draw-bar box walking wear resistance testing device. The device comprises a bottom plate, wherein limiting plates are fixedly connected to the front end and the rear end of the center of the top of the bottom plate, servo motors are fixedly connected to the two sides of the front face of each limiting plate, and output ends of the servo motors penetrate to the inner sides of the limiting plates and are fixedly connected with walking wear resistance testing rollers; and fixing plates are fixedly connected to the two sides of the top of the bottom plate. Through mutual cooperation of the fixed plate, the box body, the stepping motor, the threaded rod, the threaded block, a movable plate, a push rod, a U-shaped clamping plate, a rotating shaft, a first bearing, a second bearing, a sliding groove, a sliding block and a buffer pad, the advantage of clamping and fixing the draw-bar box is achieved, so the draw-bar box can be effectively clamped and fixed when a walking wear resistance test is performed on the draw-bar box, the draw-bar box is prevented from shaking and falling off, walking wear resistance test accuracy of the draw-bar box is improved, and the use requirement of a user can be met.

The invention discloses a novel conveyor which comprises a mounting frame. The mounting frame is detachably mounted on the upper portion of a bottom plate, fixing battens are horizontally mounted on the two sides of the bottom plate in the length direction, end plates are mounted on the sides, away from the bottom plate, of the fixing battens, and storage plates are mounted between the end platesand the fixing battens; and a plurality of first electric telescopic columns are further mounted below the storage plates and between the end plates and the fixed battens. A cushion plate, an angle adjusting mechanism and the storage plates are used in cooperation so that the safety of object transportation can be greatly improved, and different work requirements can be met; when the three parts are used independently, different protection effects are achieved, and objects on the conveying belt can be protected from different directions; or any two of the three parts can be used in cooperationto protect different objects. Due to various protection instruments, the conveying belt is safe and efficient when used for conveying the objects and is more diversified in the conveying process.

The invention discloses a flower basket pressing rod automatic mounting system, and belongs to the technical field of solar cells. The flower basket pressing rod automatic mounting system comprises aclamping mechanism and an assembling mechanism; the clamping mechanism is used for clamping a flower basket and a flower basket pressing rod; a robot moves the clamping mechanism to a flower basket carrying station A in a rack so as to clamp the flower basket; the clamping mechanism for clamping the flower basket moves from the flower basket carrying station A to the assembling mechanism; the assembling mechanism comprises a flower basket fixing plate used for mounting the flower basket and a pressing rod fixing mechanism used for assembling the flower basket pressing rod; the robot moves theclamping mechanism to a pressing rod storage station B to clamp the flower basket pressing rod and move the flower basket pressing rod to the pressing rod fixing mechanism; and the pressing rod fixingmechanism is driven by an air cylinder. The defect of potential safety hazards brought by manual mounting of the flower basket pressing rod in the prior art is overcome, the flower basket pressing rod is automatically mounted through the clamping mechanism and the assembling mechanism, thus the work efficiency is greatly improved, the situation that uncleared acid-base liquid on the flower basketpressing rod corrodes the skin is effectively avoided, and thus the safe production process is guaranteed.

The invention discloses a special transportation device for a transformer and a special distribution transformer, and belongs to the technical field of transformers. The special transportation device for the transformer comprises transformer equipment, a main box body, a sleeve, a fixed column, a connecting pipe, an air inlet pipe and a placing box, and the sleeve is fixedly connected in the main box body; the fixed column is slidably connected in the sleeve through a first spring; the connecting pipe and the air inlet pipe are fixedly connected to one side of the bottom of the sleeve correspondingly; and the bottom of the placing box is fixedly connected to the fixed column. The transformer equipment is placed in the placing box, damping is provided for the transformer equipment through the first spring, buffering is provided while the transformer equipment is protected through a wrapping air bag, then when the placing box jolts and moves downwards, a traction rope is driven to drive a fixing plate to be tightly attached to the transformer equipment, further protection, damping and buffering effects are provided for the transformer equipment, and the transformer equipment is effectively prevented from being collided and damaged and internal electrical elements are effectively prevented from being loosened and damaged.

The invention discloses a square mattress spring machining machine. The square mattress spring machining machine structurally comprises a machining machine main body, a feeding port, compression bolts, an adjusting hand wheel, a conveying table, a steel wire guide sleeve and a discharging port; the feeding port is formed in the upper part of the side of the machining machine main body; the compression bolts are screwed to the upper part of the machining machine main body through bolts with screw threads; three groups of the compression bolts are arranged; the adjusting hand wheel and the compression bolts are arranged on the same plane; the conveying table penetrates through the interior of the centre of the machining machine main body; the steel wire guide sleeve is fixed to the upper part of the adjusting hand wheel through a nut; the discharging port and the steel wire guide sleeve are of an integrally moulded structure; and the discharging port is connected with the steel wire guide sleeve. According to the square mattress spring machining machine, rotating hair brush can clean a spring quickly when the spring is machined; static electricity is effectively eliminated, and meanwhile, the dust is cleaned; the safety in machining is improved; and the spring is neater and more attractive.

The invention discloses movably-adjustable clamp equipment for piston machining, and relates to the technical field of piston machining clamps. The movably-adjustable clamp equipment specifically comprises a machining platform, an inward clamping mechanism and outward clamping mechanisms, wherein a side platform is welded to one side of the upper surface of the machining platform, and connecting magnetic grooves are formed in the surface of the machining platform and the surface of the side platform correspondingly. and connecting magnetic columns are arranged in the connecting magnetic grooves, the inward clamping mechanism is fixed to the middle of the surface of a clamp base, and the outward clamping mechanisms are distributed at the two sides of the surface of the clamp base. Accordingto the movably-adjustable clamp equipment for piston machining, an inner wall abutting part is lifted out to abut against the inner wall of a piston cylinder body, so that clamping and fixing of thepiston cylinder body are achieved; at the moment, the outer surface of the piston cylinder body is completely exposed, so that a worker can polish the outer surface of the piston cylinder body conveniently; and the bottom of a lifting part is inclined, so that the extending size of the inner wall abutting part is adjusted, piston cylinder bodies of different specifications and sizes can be favorably clamped and fixed, and the application range of the equipment is widened.

The invention discloses an anti-falling mechanism of a full-automatic liquid filling device. The anti-falling mechanism comprises a box body. A supporting block is fixedly connected with the top of the box body. A workbench is fixedly connected with the top of the supporting block. A filling device is fixedly connected with the rear side of the top of the box body. By using the filling device, a motor, a rotating plate, a rotating pin, a movable rod, a pin shaft, a transmission rod, a transmission pin, a transmission frame, a slider, a transmission column, a telescopic rod and a filling bottlein cooperation, moving down the transmission column and then restarting the telescopic rod, a sponge cushion is closely attached to the filling bottle, and the effect of automatically fixing the filling bottle is realized; and by means of the anti-falling mechanism of the full-automatic liquid filling device, the problems that since an existing filling device needs to manually fix a filling bottle and then perform filling during filling, the method is too low in efficiency and the production number cannot reach the standard are solved, the production efficiency is enhanced, and the practicability of the filling device is enhanced.

The invention discloses a mineral separating and sampling device. The mineral separating and sampling device comprises a separating and sampling device shell, a motor shell, a servo motor, a barrel cover, a rolling disc, a separation barrel, universal wheels, a supporting frame, a baffle, bottom holes, a waste box, first fixed plates, first rotating bolts, rotating rods, a threaded rod, connectingplates, threaded holes, self-locking nuts, partition plates, second rotating bolts, second fixed plates, a first clamping plate, a second clamping plate, elastic pieces, elastic piece seats, a rubberpad, an anti-slip mat, a clamping groove, separation holes and roller grooves, wherein the barrel cover is arranged at the top of the separating and sampling device shell; the separation barrel is arranged in the separating and sampling device shell; and the motor shell is welded to the center of the top of the barrel cover. The mineral separating and sampling device is simple in structure, time-saving, labor-saving, free of manual screening and high in working efficiency, meanwhile, the separation is more thorough, the subsequent processing of minerals is facilitated, the waste is collectedthrough the waste box, the environment is protected, and the processing and production are facilitated.

The invention discloses a cantilever scaffold anchoring device and a construction method thereof, and belongs to the technical field of building construction. The cantilever scaffold anchoring device comprises I-shaped steel arranged on a pouring floor slab, wherein the end, deviating from the inner side of the pouring floor slab, of the I-shaped steel is fixedly arranged on the pouring floor slab through two fixing assemblies, aAnd a reinforcing assembly is mounted between the bottom surface of one end, deviating to the outer side of the pouring floor slab, of the I-shaped steel and the side wall of the pouring floor slab. After a rotating rod rotates by 90 degrees, a steel pressing plate is just pressed on the I-shaped steel, so that the anchoring work is completed, the anchoring work is convenient and fast, other parts except embedded parts such as a threaded barrel can be smoothly taken down during subsequent disassembly, repeated use is facilitated, waste of redundant steel is avoided, cutting work is not needed, the work amount is greatly reduced, therefore, the purpose of supporting and reinforcing one end of the outer side of the I-shaped steel can be achieved, the safety risk that an erected scaffold shakes and falls off is avoided, adjustment can be conducted according to the extension length of the outer side of the I-shaped steel, and adaptability is higher.

The invention discloses a melt of a vehicle-mounted fuse. The melt comprises a melt body, a plurality of special-shaped holes, a metal trapezoidal mounting sleeve block, a sliding rail, a first fixing block, a sliding rod, a first rotating bolt, a second fixing block, a first rotating rod, a second rotating rod, a compression spring, a spring sleeve, a first baffle plate, a sliding block and a rubber pad, the surface of the melt body is provided with the plurality of special-shaped holes, the vehicle-mounted fuse comprises a fuse body, the two ends of the fuse body are sleeved with metal trapezoidal mounting sleeve blocks respectively, second baffles are welded to the two sides of the center of the two ends of the fuse body respectively, and first baffles are welded to the two sides of the center of the inner wall of each metal trapezoidal mounting sleeve block respectively. The melt of the vehicle-mounted fuse is convenient to use. When the melt body is used, tin coating operation does not need to be conducted on the melt body, working procedures and working hours are saved, the product process is smoother, the breaking effect is better, the breaking diameter body of the melt body is only relative to the approximate tangent point position of the diameter body, the breaking effect is better and quicker, and meanwhile combustion energy consumption is lower.

The invention discloses a marine spilled oil recovery device and a recovery method. The marine spilled oil recovery device comprises a spilled oil water power oil recovery machine body, arc-shaped clamping plates, a fixing frame, a spilled oil recovery belt, a connecting plate, anti-skid pads, arc-shaped extrusion plates, a threaded column, a threaded hole, a movable plate, first rotating bolts, aself-locking nut, a rotating rod, a rubber pad and a latex pad, wherein the spilled oil recovery belt is arranged on one side of the spilled oil water power oil recovery machine body, the connectingplate is bonded to one end of the spilled oil recovery belt, the fixing frame is welded to the center of one end of the connecting plate, side holes are formed in the two ends of the fixing frame, sliding plates are sleeved inside the side holes, and sliding rods are welded to the two sides of each sliding plate. The marine spilled oil recovery device is simple in structure and convenient to operate, a traditional integrated structure is abandoned, free mounting and dismounting can be achieved, maintenance and replacement of the spilled oil recovery belt by a user are facilitated, meanwhile, transportation and storage of the spilled oil recovery belt by the user are facilitated, use by the user is facilitated, and cleaning of the spilled oil recovery belt is facilitated.

The invention discloses a mineral separation and sampling device, which comprises a separation and sampling device casing, a motor casing, a servo motor, a bucket cover, a rotating disk, a separation bucket, universal wheels, a support frame, a baffle, a bottom hole, a waste box, a first Fixed plate, first rotating bolt, rotating rod, threaded rod, connecting plate, threaded hole, self-locking nut, partition, second rotating bolt, second fixing plate, first splint, second splint, shrapnel, shrapnel seat, Rubber pads, anti-slip pads, card slots, separation holes and roller grooves, a barrel cover is provided on the top of the shell of the separation sampling device, a separation barrel is arranged inside the shell of the separation sampling device, and a motor shell is welded at the center of the top of the barrel cover , The mineral separation and sampling device has a simple structure, saves time and effort, does not need manual screening, has high work efficiency, and at the same time, the separation is more thorough, which facilitates the subsequent processing of minerals. The waste is collected through the waste box, which protects the environment and is conducive to processing and production.

The invention discloses a hardware mold for metal plate machining. The hardware mold comprises a lower mold base, a support is installed on the outer side of the lower mold base, a hydraulic rod A isinstalled on the inner side of the top of the support, an upper mold base is installed at the bottom of the hydraulic rod A, a punch is installed at the bottom of the upper mold base, a mold groove isformed in the inner side of the top of the lower mold base, supporting rods are symmetrically installed on the two sides of the lower mold base, hydraulic rods B are mounted on the inner sides of thesupporting rods, and clamping plates are mounted at the bottoms of the hydraulic rods B. According to the hardware mold, the hydraulic rods B drive the clamping plates to descend to clamp the two ends of a metal plate, the metal plate can be kept stable in the stamping machining process through clamping of the clamping plates, the situation that the machining quality is affected due to metal plate deformation caused by deviation is avoided, operation is convenient and fast, a worker can use the hardware mold without tedious learning, and the practicality of the hardware mold is greatly improved.

The invention relates to the technical field of gallium oxide, and discloses a gallium oxide single crystal grinding device which comprises a grinding box, a sliding rod is arranged on the inner wall of the grinding box, a supporting frame is slidably connected to the outer surface of the sliding rod, an extension spring is fixedly connected to the inner wall of the supporting frame, and a frame barrel is fixedly connected to the other end of the extension spring. The outer surface of the frame barrel is fixedly connected with a frame plate, and the bottom of the frame plate is fixedly connected with a spring plate. Compared with the prior art, the grinding device has the following advantages and effects that after a worker finishes grinding, powder falls into the filtering barrel, the worker drives the vibration motor to control the spring plate to vibrate the frame barrel, the filtering barrel in the frame barrel reinforces filtering through vibration, materials which are not completely ground are reserved into the filtering barrel, and the extension spring reinforces connection; and an observation window is arranged on the outer surface of the grinding box, the convenience of the whole device is improved, the working efficiency of the device is enhanced, and the labor cost and the working time are saved.

The invention discloses a movable adjustable fixture device for piston processing, which relates to the technical field of piston processing fixtures, specifically a processing platform, an inward clamping mechanism and an outward clamping mechanism, and a side platform is welded on one side of the upper surface of the processing platform , and the processing platform and the surface of the side platform are provided with connecting magnetic grooves, the connecting magnetic grooves are provided with connecting magnetic columns, the inward clamping mechanism is fixed in the middle of the surface of the fixture base, and the outward clamping mechanism is distributed on the fixture base surface sides. The movable and adjustable fixture equipment is used for piston processing, and the inner wall is lifted out against the inner wall of the piston cylinder to realize the clamping and fixing of the piston cylinder. At this time, the outer surface of the piston cylinder is completely exposed, which is convenient for the staff. The outer surface of the piston cylinder is polished, and the bottom of the lifting part is inclined so that the extension size of the inner wall can be adjusted, which is conducive to clamping and fixing piston cylinders of different sizes, thereby improving the scope of application of the equipment.

The invention discloses high-stability head-mounted intelligent VR glasses, and relates to the technical field of intelligent wearing. The high-stability head-mounted intelligent VR glasses comprise a glasses body, the left side and the right side of the glasses body are fixed to one end of a telescopic control rod, and the other end of the telescopic control rod is fixed to one end of a V-shaped stabilizing piece. According to the high-stability head-mounted intelligent VR glasses, the distance between the V-shaped stabilizing piece and the glasses body can be adjusted by arranging the telescopic control rod, so that the glasses can be suitable for more users; a stabilizing block can be completely attached to the head of the user, and a resistance increasing block can abut against the head of the user; and the resistance increasing device is arranged, so that the resistance between the resistance increasing block and the head of the user can be increased by utilizing the rapid movement between the glasses and the head of the user, the comfort during normal use can be ensured, and meanwhile, the glasses can be prevented from shaking and falling off when the limb movement of the user is relatively large.

The invention provides a portable water color tool storing box which comprises a box body, a partition plate and a moving box. Anti-collision corners are installed on the two sides of the box body. Ahandle is installed on the upper portion of the box body. A cover is installed on the outer wall of the box body. According to the portable water color tool storing box, portable convenience of the device can be improved, while a user can open the cover conveniently, the fixing effect is better, when the box body is moved, the cover cannot be opened automatically, the phenomenon that when the usercarries and moves the box body, tools in the box body collide due to shaking, and water colors are spilled can be prevented, and the water color tools can be taken at any time. Moreover, a clamping plate can be disassembled at any time and washed, water color bonding due to shaking of the water color tools in a pipe shape in the moving process of the box body can be prevented, practicality of thedevice is improved, the user can classify and store the water color tools according to the characteristic of the water color tools, and the water color tools like a drawing board cannot shake.

The invention discloses an intelligent bus back guide monitor connecting structure which comprises a back guide monitor, disengagement preventing members and a connecting line, wherein slideways are arranged at two sides of a wiring port. Each slideway is internally provided with a compression spring and a slide block; The outer wall of the back guide monitor is provided with two chutes. Furthermore the arrangement manner of the compression springs and the blocks and the extension mode of the chutes are set so that the disengagement preventing member which is connected Furthermore through setting the structure of the connecting line, the connecting line comprises an end, a housing and a line body. Furthermore the structure relation among the end, the housing and the line body are set so that the housing can be connected with the back guide monitor through the function of the disengagement preventing members and the end can perform free movement relative to the housing, thereby realizing firm and reliable connection of the back guide monitor, and preventing shake disengagement of the connecting line, plug loosening and contact failure in a long-time vibrating working environment of the back guide monitor.

The invention discloses a motor stator and a motor, and belongs to the technical field of motors. The motor stator comprises a stator iron core and an insulation framework; the stator iron core is provided with an iron core end face; the insulation framework is provided with a framework end face; and backflow grooves are formed in the periphery of the stator iron core. The motor stator further comprises a connecting structure. The connecting structure comprises connecting grooves, wherein the connecting grooves are formed in one axial end of the backflow grooves along the peripheral edge of the stator iron core, one ends of the connecting grooves are communicated with the end face of the iron core, and the other ends of the connecting grooves are communicated with the backflow grooves; and connecting protrusions arranged in a protruding mode outwards along the peripheral edge of the insulation framework and protruding out of the framework end face in the axial direction of the insulation framework, wherein avoiding grooves penetrating through the connecting protrusions are formed in the periphery of the connecting protrusions in the axial direction of the insulation framework, the connecting protrusions can be clamped into the connecting grooves to achieve matching, and the avoiding grooves can communicate with the backflow grooves. The stator core and the insulation framework can be stably fixed, circulation of the backflow grooves is not blocked, and the performance of the motor is guaranteed.

The invention discloses an anti-drop waterproof USB flash disk with an anti-loss structure, and belongs to the technical field of USB flash disks. The anti-drop waterproof USB flash disk comprises a protective shell, movable plates, a mounting plate and a lower shell, and a disc body is mounted on the inner side of the protective shell; a plug is mounted at the top of the disc body; the outer sideof the plug is connected with a limiting plate; an upper shell is mounted at the top of the limiting plate; the movable plates are located below the two sides of the upper shell, bearings are installed on the inner sides of the movable plates, first sliding blocks are installed on the inner sides of the bearings, chutes are reserved in the inner sides of the first sliding blocks, the mounting plate is located below the disc body, second sliding blocks are fixed to the outer wall of the mounting plate, and threaded rods are installed below the mounting plate. The plug can be protected, most ofhumid air is prevented from entering the plug, the upper shell is not prone to being lost, anti-falling and waterproof protection can be conducted on the disc body, and the anti-falling and waterproof protection device can be suitable for disc bodies of different types and lengths.

The invention discloses a dish-washing machine with a detachable water tank. The dish-washing machine comprises a dish-washing machine body, a connecting block is fixedly connected to the top of the dish-washing machine body, a water tank is arranged on the top of the connecting block, and clamping blocks are fixedly connected to two sides of the bottom of the water tank. For the dish-washing machine with the detachable water tank, through the matched use of the dish-washing machine body, the connecting blocks, the water tank, the clamping blocks, screw rods, turntables, rotating blocks, bearings I, rotating rods, gears, rotating pins, movable frames, clamping pillars and slide bars, the clamping pillars separate from the inside of clamping grooves II, the clamping blocks separate from clamping grooves I, and then the effect that water tank can be detached is achieved. With the dish-washing machine with the detachable water tank, the problem that for an existing dish-washing machine, after the water tank is used for a long time, certain stains appear inside the water tank, while the existing water tank is fixedly connected with the dish-washing machine, and thus the operation is extremely inconvenient when washing treatment is carried out is solved, the washing efficiency is improved, and then the practicability of the dish-washing machine is promoted.

The invention discloses a protection mechanism of a lighthouse on the sea. The protection mechanism of the lighthouse on the sea comprises a lighthouse body, a lamp box is fixedly connected to the topof the lighthouse body, a lamp post is fixedly connected to the bottom of an inner cavity of the lamp box, illuminating lamps are fixedly connected to the tops of the two sides of the lamp post, a U-shaped cover is arranged at the top of the lamp box in a penetrating mode, the bottom of the U-shaped cover penetrates into the lamp box, moving rods are slidably connected to the two sides of the bottom of an inner cavity of the lamp box, clamping rods are fixedly connected to the tops of the outer sides of the moving rods, the outer sides of the clamping rods penetrate into the U-shaped cover, and positioning rods are arranged on the tops of the two sides of the front face of the lamp box in a penetrating mode. According to the protection mechanism of the lighthouse on the sea, the effect ofprotecting the top of the lighthouse can be achieved, the practicability of the lighthouse on the sea is enhanced, the protection mechanism of the lighthouse on the sea solves the problems that the top of an existing lighthouse on the sea is not provided with any protection measures, an internal guide lamp can be easily turned over under the condition of severe weather, and consequently marine sailing cannot be guided.