91results about How to "Reduce risk of capsizing" patented technology

The invention discloses a bogie and rail route vehicle with bogie and rail route traffic system, the bogie includes a bogie framework, the bogie framework has a rail route concave part suitable for sitting stridingly on the rail route, the bogie framework is provided with a first dodge groove and a second dodge groove respectively used for avoiding the two side walls of the rail route; the bogie includes a walking wheel, the walking wheel is located between the first dodge groove and the second dodge groove; the bogie includes a drive device; the bogie includes multiple first flat wheels, the multiple first flat wheels are alternatively provided respectively in the up and down direction and in the length direction of the rail route; and the bogie includes multiple second flat wheels, the multiple second flat wheels are alternatively provided respectively in the up and down direction and in the length direction of the rail route. The bogie of the embodiment benefits the optimization of the structure of an escape passageway, can with the rail route form a complete and firm protection, thereby increases the safety when rail route vehicles move, and takes into consideration the functions of bogie and steadiness, can raise the stability of the whole vehicle and prevent the rail route vehicles from being overturned.

The invention relates to a deck type arch bridge unbalanced horizontal rotation system and a rotation construction method and aims at effectively controlling construction risk, greatly reducing investment of a large-scale temporary project and enabling rotation construction to be simpler and more convenient, more economic, safer and more reliable. The deck type arch bridge unbalanced horizontal rotation system comprises a heading wall, a hanging wall, a dorsal cord, a buckling cable, a rotational spherical hinge, a traction system and a counterweight water tank, wherein the heading wall is also taken as an arch support foundation and is located on a foundation, and an annular slideway, a jack counterforce seat and traction counterforce seats are arranged on the heading wall; the hanging wall is in charge of supporting a juncture pier and a half-span main arch ring; the upper end of the dorsal cord is anchored at a top cap of the juncture pier, the lower end of the dorsal cord is anchored on the bottom surface of the tail of the hanging wall; the buckling cable and the half-span main arch ring are suspended on the juncture pier by virtue of the buckling cable; the rotational spherical hinge is composed of a lower spherical hinge surface, an upper spherical hinge surface and a locating shaft and is arranged between the heading wall and the hanging wall, and the axis of the locating shaft is located at the center of the spherical hinge surface; the traction system comprises a traction rope and a continuous jack, one end of the traction rope is anchored in concrete of the hanging wall, surrounds a rotary table at the bottom of the hanging wall by 1-2 circles and then passes through the traction counterforce seats distributed on the top surface of the heading wall in pairs to be connected with the continuous jack, and the counterweight water tank is arranged on the top surface of the tail of the hanging wall.

The invention relates to a three-dimensional shock insulation device capable of adjusting the vertical initial stiffness. The three-dimensional shock insulation device comprises a vertical shock insulation support and a laminated rubber shock insulation support, and is characterized in that a back pressure device is further arranged in a guide sleeve of the vertical shock insulation support and comprises three or more pre-pressing steel wire ropes, steel wire rope direction-changing elements and steel wire rope self-locking tightening anchors which are numerically equal to the pre-pressing steel wire ropes, and a floating back pressure steel plate; the pre-pressing steel wire ropes are in broken line state; one end of each pre-pressing steel wire rope is symmetrically fixed on the floating back pressure steel plate around the axial line of the guide sleeve, and the other end of each pre-pressing steel wire rope bypasses the corresponding steel wire rope direction-changing element in a penetrating manner and then returns back; all the pre-pressing steel wire ropes are connected in parallel together to form a rope bundle which penetrates through the floating back pressure steel plate and is anchored on a pedestal through the steel wire rope self-locking tightening anchors; and the pre-pressing steel wire ropes are tightened to tension required by preset initial stiffness, so that a cylindrical helical compression spring is always clamped between a driving pressure plate and the floating back pressure steel plate.

The invention relates to a folding arm-type crane counterweight system and a control method thereof, and relates to the field of engineering machinery, in particular to the improvement of a crane counterweight device. A position of a counterweight block can be adjusted in real time according to the actual use condition, so that a lifting moment can be adjusted in real time. A folding arm-type crane is arranged on a carrying cart; multiple pairs of support legs are arranged on the carrying cart; the folding arm-type crane comprises a crane jib; a lifting hook is arranged at the first end of thecrane jib; a counterweight device is arranged at the tail end of the crane jib, and comprises a support and a counterweight mechanism movably arranged on the support; the support is fixedly arrangedat the tail end of the crane jib of the folding arm-type crane; and during actual use, the position of the counterweight block is adjusted according to an actual load condition, so that the moment isadjusted actually for adapting to different loads, and the risk that the crane is toppled under a large-load condition can be effectively reduced.

According to the floating type draught fan platform installation method, a self-elevating type lifting platform is arranged in a shallow water area, a lifting crane and a cantilever beam are fixed to the self-elevating type lifting platform, and a draught fan assembly is placed on a floating type barge. The lifting crane lifts the fan assembly to the cantilever beam for installation, the tugboat drags the floating fan platform to a shallow water area from the shore side, one end of the floating fan platform is connected with an offshore mooring point through a mooring rope, and the tugboat continues to drag the floating fan platform to the position beside the self-elevating lifting platform at the other end. And the cantilever beam conveys the assembled fan to the floating fan platform for installation, and after the fan is installed on the floating fan platform, the final operation sea area of the floating platform is fixed. According to the method, wind power installation equipment in the existing shallow water area is used for pre-installing the floating type wind power platform draught fan (hereinafter referred to as draught fan), an installation platform does not need to be additionally built for the deep water floating type wind power platform, and the comprehensive cost of draught fan installation and operation is reduced.

The invention discloses a segmented flexible placing device and method. The device comprises a flexible bridge-shaped bracket and a plurality of baffle upright posts; the three-section supporting upright posts are fixed on the flexible bridge-shaped bracket, the three-section supporting upright posts comprise porous supports post rods which are vertically fixed on the flexible bridge-shaped bracket, a hole post rod sleeved inside the porous support post rod and fixed by a bolt, and a stud rod screwed on the hole post rod. The segmented flexible placing device and method has the beneficial effects that firstly, the state of the bridge-shaped bracket after the segment turning over can be improved, so that the turning over welding deformation is reduced; secondly, the placing method of subsection can be improved, thereby improving a pre-outfitting rate of the subsection; thirdly, the stability of the subsection placing can be guaranteed, so that the safety of the subsection lightering canbe guaranteed; fourthly, the contact area between the segments and the bridge-shaped bracket can be reduced, so that the coating integral spraying is facilitated, and the subsequent recoating workload is reduced.

The invention discloses an unmanned sailboat automatic driving system and a method thereof. The system is characterized by comprising a data collection and transmission system, a wireless transmission system, a main control system, a driving system and a power supply system which are mounted on an unmanned sailboat body, the unmanned sailing boat has the advantages that the floating bodies are mounted on the two sides of the stern of the unmanned sailing boat respectively, so that the boat body of the unmanned sailing boat is more stable, and the overturning risk is reduced; a flexible solar cell panel in the power supply system is arranged above the floating body, so that the size of the unmanned sailing boat is reduced, and the unmanned sailing boat can travel in inland rivers; when the unmanned sailboat travels along the set route, if an obstacle is detected in the advancing direction, the unmanned sailboat decelerates, plans an obstacle avoidance path and sets an obstacle avoidance path point, and after the unmanned sailboat travels to the obstacle avoidance path point along the obstacle avoidance path, a new route is set through the main control system according to the obstacle avoidance path point and a target position to travel. According to the invention, the problem that the unmanned sailing boat avoids obstacles on a set route is solved.

The invention provides a damper and a load-bearing envelop enclosure with the same. The damper includes a shell forming an accommodating cavity and a vibration energy dissipating unit located in the shell, wherein the accommodating cavity includes a liquid storing cavity located on the lower portion and a mass body motion cavity located on the upper portion; the vibration energy dissipating unit includes damping fluid accommodated in the liquid storing cavity and a plurality of mass bodies located in the mass body motion cavity, and the mass bodies float on the liquid surface of the damping fluid; and a plurality of tooth-shaped bulges are formed on the outer surface of the mass bodies for breaking waves which are formed in the damping fluid due to vibration to be dispersed in different directions. According to the damper, the vibration of the load-bearing envelop enclosure can be effectively suppressed.

The invention discloses a prefabricated reinforced concrete side anti-collision guardrail connected with a bridge, and a construction method thereof. The prefabricated reinforced concrete side anti-collision guardrail connected with the bridge comprises a guardrail body, angle steel, a check block fixed to the bridge surface of the bridge and an embedded part embedded in the bridge, and an embedded fixing groove is formed in the lower end of the guardrail body and connected to the check block in a clamped mode; connecting steel bars are arranged on the bottom surface between the embedded groove and the head-on collision surface of the guardrail and at the lower end of the head-on collision surface of the guardrail, and the connecting steel bars are welded to the two inner side surfaces ofthe angle steel; and the embedded part comprises a steel plate and bent embedded steel bars, the embedded steel bars are fixed in a bridge, the steel plate is fixed at the upper ends of the embedded steel bars, and the lower outer side face of the angle steel is welded to the steel plate. The connection strength between the guardrail and the bridge is improved, the whole guardrail is not prone tooverturning, meanwhile, the construction efficiency is high, the use of steel is reduced, and the purpose of saving resources is achieved.

The invention discloses a three-dimensional shock insulation support capable of presetting vertical early rigidity. The three-dimensional shock insulation support comprises a laminated rubber shock insulation support and a vertical shock insulation support which are sequentially connected in series in the vertical direction and is characterized in that a back pressure device is arranged in a guide sleeve of the vertical shock insulation support and comprises two sets of prepressing steel cables and two floating pressing plates, at least three prepreessing steel cables are included in each set, and the two sets of prepressing steel cables are distributed between a rubber air spring and the guide sleeve in a linear state. One ends of one set of prepressing steel cables are fixed to the floating pressing plate adjacent to a driving pressing plate, and the other ends of one set of prepressing steel cables penetrate through the floating pressing plate adjacent to a base to be fixed to the base. One ends of the other set of prepressing steel cables are fixed to the floating pressing plate adjacent to the base, and the other ends of the other set of prepressing steel cables penetrate through the floating pressing plate adjacent to the driving pressing plate to be fixed to the driving pressing plate. The two sets of prepressing steel cables are tensioned, so that the rubber air spring is clamped between the two floating pressing plates all the time.

The invention relates to a reflective spectral measuring system with self-calibration function, and the system can calibrate automatically and measure accurate reflectivity of samples in batches. The system comprises a spectral acquisition system, and also comprises a horizontal guide rail and a vertical guide rail. The horizontal guide rail and the vertical guide rail are arranged orthogonality. A plurality of horizontal rail grooves are disposed on the horizontal guide rail, and sample grooves are disposed on the horizontal rail grooves. A vertical rail groove is disposed on one end of the vertical guide rail which faces the horizontal guide rail, and a standard blank board used for calibrating the spectral acquisition system is disposed on one side of the vertical rail groove. The back and forth movement of the vertical guide rail can make the vertical rail groove and the standard blank board align with the spectral acquisition system, and a swing carrying mechanism used for carrying sample grooves between horizontal rail groove and vertical rail groove is disposed under the horizontal rail groove and vertical rail groove. The system realizes self-calibration and measure of the reflective spectral, has no need of manual intervention, can perform automatic exchange and batch measure of the test samples, and can improve the measure speed and reduce the measuring error.

The invention discloses a three-dimensional shock isolation device with adjustable vertical early stiffness. The three-dimensional shock isolation device comprises a laminated rubber shock isolation bearing and a vertical shock isolation bearing which are sequentially connected with each other up and down in series, and is characterized in that a back pressure device is also arranged between two end plates of the vertical shock isolation bearing, and the back pressure device comprises two groups of pre-pressing steel cables and two floating platens, wherein the two floating platens are respectively sleeved on a guide rod between one end plate and a cylindrical helical compression spring; the two groups of pre-pressing steel cables are respectively distributed at the periphery of the cylindrical helical compression spring around the axis of the guide rod in a straight line state, one head of each pre-pressing steel cable of each group of pre-pressing steel cables is fixed on one floating platen, and the other head of each pre-pressing steel cable of each group of pre-pressing steel cables penetrates through the other floating platen and is anchored on the end plate adjacent to the floating platen by a steel cable self-locking tensioning anchor; the two groups of pre-pressing steel cables are tensioned, so that the cylindrical helical compression spring is clamped between the two floating platens all the time.

The invention discloses a three-dimensional shock-insulating support base for adjusting vertical early rigidity. The three-dimensional shock-insulating support base comprises an overlapped rubber shock-insulating support base and a vertical shock-insulating support base, which are vertically connected in series with each other. The three-dimensional shock-insulating support base is characterized in that a back pressure device is arranged in a guide sleeve of the vertical shock-insulating support base; the back pressure device comprises two sets of pre-pressing wire ropes and two floating pressing plates; the two sets of pre-pressing wire ropes are distributed between a cylindrical rubber elastic component and the guide sleeve; one end of each pre-pressing wire rope in one set is fixed on the floating pressing plate adjacent to a driving pressing plate while the other end respectively penetrates through the floating pressing plate adjacent to the base and is anchored on the base through a rope self-locking tensioning anchor; one end of each pre-pressing wire rope in the other set is fixed on the floating pressing plate adjacent to the base while the other end penetrates through the floating pressing plate adjacent to the driving pressing plate and is anchored on the driving pressing plate through the rope self-locking tensioning anchor; through the tensioning of the two sets of pre-pressing wire ropes, the cylindrical rubber elastic component is clamped between the two floating pressing plates all the time.

The invention relates to a manned lunar surface electromagnetic emission lunar surface acceleration orbit. The orbit is characterized in that the orbit comprises an entrance section, an annular acceleration section and exit sections, wherein a lunar surface ascender exits out of a base station and enters a transitional section of an electromagnetic emission entrance, one electromagnetic emission device is only provided with one entrance section, and the length is at 100-m order of magnitude; in the main working stage of electromagnetic emission, the electromagnetic emission device gradually increases the speed of the lunar surface ascender relative to the lunar surface to an exit state required value from zero through multiple circles of boosting, only one annular acceleration section is designed for one electromagnetic emission device, and the radius is at 2-km order of magnitude; and the lunar surface ascender is led out from the annular acceleration section, the height is increased,the direction is adjusted, smooth transition to the annular acceleration section and a following powered flight stage is ensured, and the four exit sections are designed for one electromagnetic emission device. A certain initial motion state is established for the lunar surface ascender in an electromagnetic emission mode in the manned lunar surface take-off ascending process, the velocity increment can be shared, and plenty of a propellant can be saved.

The invention relates to a three-dimensional vibration isolation device capable of presetting the vertical initial rigidity. The three-dimensional vibration isolation device comprises a vertical isolation vibration support seat and a laminated rubber vibration isolation support seat which are mutually connected in series. The three-dimensional vibration isolation device is characterized in that a back pressure device is also arranged in a guide sleeve of the vertical vibration isolation support seat; the back pressure device comprises more than three pre-pressing steel wire ropes, steel wire rope direction changing elements with the same number as the pre-pressing steel wire rope and a floating back pressure steel plate; the pre-pressing steel wire ropes are in a folding line state; in addition, one end of each pre-pressing steel wire rope is symmetrically fixed on the floating back pressure steel plate by using the axial line of the guide sleeve as the symmetry axis; the other end of each pre-pressing steel wire rope is folded back after passing and bypassing through the corresponding steel wire rope direction changing element, and then passes through the floating back pressure steel plate beside the fixing point of the pre-pressing steel wire rope on the floating back pressure steel plate to be fixed on the base; the pre-pressing steel wire rope is tensioned to the tension required by the pre-setting of the vertical initial rigidity, so that a cylindrical spiral compression spring is always clamped between a driving press plate and the floating back pressure steel plate.

The invention relates to a storage tank vehicle with a storage tank monitoring system, and aims to solve the technical problem that liquid in the storage tank vehicle may cause overturning of the storage tank vehicle when the storage tank vehicle is braked at high shaking frequency. The storage tank vehicle comprises a vehicle body and a storage tank, and the storage tank is mounted on the vehicle body; a plurality of storage areas are arranged in the storage box, and communicating openings used for communicating every two adjacent storage areas are arranged at the bottom of a partition plate; a liquid level change detection device is arranged in each storage area and electrically connected with a data processing device so as to send liquid level change data to a data processing device, and the data processing device comprises a frequency setting device used for setting sampling frequency and a data analysis device used for processing the liquid level change data; and the data analysis device is electrically connected with an alarm device so as to send alarm data to the alarm device to give an alarm when the liquid level change data exceeding a preset value reaches the preset frequency. The storage tank vehicle provided by the invention has the effect that the probability that the storage tank vehicle overturns can be reduced conveniently.

The invention provides a method for detecting a degree of corrosion of an anchor bolt of an electric transmission line. The method comprises selecting a phased array probe according to the bolt diameter and length, debugging a phased array instrument, vertically arranging the phased array probe at the end of an anchor bolt to be detected, and carrying out detection through adjusting a detection range of the phased array instrument along with rotation of the probe. The end of the bolt is an end of the anchor bolt to be detected out of a reinforced concrete foundation bolt. The method detects corrosion conditions of an anchor bolt of an electric transmission line. The method utilizes a phased array technology, utilizes a specified probe, is used for observation of bolt corrosion conditions, has simple processes, can be operated conveniently and has good practicability.

The invention discloses a three-dimensional vibration isolation support with adjustable vertical early-stage rigidity. The three-dimensional vibration isolation support comprises a stacked rubber vibration isolation support and a vertical vibration isolation support which are sequentially connected in series from top to bottom, and is characterized in that a reverse pressing device is further arranged in a guide sleeve of the vertical vibration isolation support; the reverse pressing device comprises two groups of pre-pressing steel ropes and two floating pressing plates, wherein the two groups of pre-pressing steel ropes are distributed between a rubber air spring and the guide sleeve respectively; one ends of one group of the pre-pressing steel ropes are fixed on the floating pressing plate adjacent to a driving pressing plate, and the other ends of one group of the pre-pressing steel ropes penetrate through the floating pressing plate adjacent to a base to be fixed on the base; one ends of the other group of pre-pressing steel ropes are fixed on the floating pressing plate adjacent to the base respectively, and the other ends of the other group of pre-pressing steel ropes penetrate through the floating pressing plate adjacent to the driving pressing plate to be fixed on the driving pressing plate; a rigging spiral buckle is connected on each pre-pressing steel rope in series; and when the two groups of pre-pressing steel ropes are tensioned, the rubber air spring is clamped between the two floating pressing plates all the time.

The invention relates to a material conveying device with an automatic unloading function. The material conveying device comprises a driving module, a hanging basket module and a control module; the control module is used for controlling ascending, descending or stopping of the hanging basket module; the driving module comprises a frame, a motor, a synchronizing shaft, a first rolling wheel, a second rolling wheel, a first pull rope, a second pull rope, a spring and a rocker arm; the hanging basket module comprises a hanging basket shell, a left first spring, a left second spring, a left first rocker arm, a left second rocker arm, a first bottom plate, a second bottom plate, a right first spring, a right second spring, a right first rocker arm and a right second rocker arm; and the control module comprises a power supply, a control button module, a motor driving circuit, an upper limit travel switch and a lower limit travel switch. The material conveying device is simple in structure, low in manufacturing cost, simple in control logic, simple in use process, convenient to reduce equipment operation time and capable of improving production efficiency; and the gravity center of the vehicle is reduced, the vehicle overturning risk is reduced, the safety coefficient is improved, and the production efficiency is improved.

The invention discloses a connecting bridge prefabricated reinforced concrete side anti-collision guardrail. The guardrail comprises angle steel, a check block fixed to the bridge floor of a bridge and an embedded part embedded in the bridge, the two side faces of the guardrail are the head-on collision face and the back-on collision face respectively, an embedded fixing groove is formed in the lower end of the guardrail, and the embedded fixing groove is connected to the check block in a clamped mode; connecting steel bars are arranged on the bottom surface between the embedded fixing grooveand the head-on collision surface of the guardrail and at the lower end of the head-on collision surface of the guardrail; the connecting steel bars are welded with the two inner side surfaces of theangle steel; and the embedded part comprises a welding plate, a connecting plate and a reinforcing plate, the upper end and the lower end of the connecting plate are connected with the welding plate and the reinforcing plate respectively, and the welding plate is welded to the lower outer side face of the angle steel. The connection strength is high, the stability is high, the butt joint precisionrequirement is not high, and the installation efficiency is high.

The invention discloses a bogie, a rail vehicle with the same and a rail transit system. The bogie comprises a bogie frame, a plurality of first horizontal wheels and a plurality of second horizontal wheels. The bogie frame is provided with a rail concave part suitable for straddling on a rail. The first horizontal wheels are pivotally mounted on the bogie frame, suitable for being matched to one side of the rail and coaxially arranged at intervals in the up-down direction. The second horizontal wheels are pivotally mounted on the bogie frame, suitable for being matched to the other side of the rail and coaxially arranged at intervals in the up-down direction. According to the embodiment of the invention, the bogie can improve stability of the whole vehicle and lower the overturning risk of the rail vehicle during turning and high-speed travelling.

A telescopic wind power generation device comprises a cabin and blades, the blades are fixed to the cabin, the interiors of the blades communicate with the interior of the cabin, and the blades comprise the first-stage blade, the second-stage blade, the third-stage blade and a telescopic rod. The first-stage blade is internally provided with a first-stage guide rail, the second-stage blade is internally provided with a second-stage guide rail, a limiting plate is arranged on the second-stage guide rail, the second-stage blade can slide along the first-stage guide rail, the third-stage blade can slide along the second-stage guide rail, the top end of the telescopic rod is fixedly connected with the third-stage blade, the third-stage blade is driven to slide on the second-stage guide rail, and the limiting plate can limit the sliding distance of the third-stage blade on the second-stage guide rail. When the telescopic rod contracts, the third-stage blade can slide along the second-stageguide rail, is contracted into the second-stage blade and is further contracted along with the telescopic rod, the third-stage blade is limited by the limiting plate and cannot continue sliding on thesecond-stage guide rail, and the second-stage blade and the third-stage blade are integrally contracted into the first-stage blade along the first-stage guide rail.

The invention discloses an ultra-high-speed wheel-rail vehicle set battery replacing railway system which comprises an ultra-high-speed wheel-rail vehicle set with a traction headstock capable of being controlled to be separated at the head and the tail, and the traction headstock is a pure electric traction headstock directly driven by a power battery pack and is provided with a power battery pack charging interface; the ultra-high-speed wheel-rail vehicle set battery replacing railway system also comprises a charging station; the station is internally provided with a vehicle group parking rail, and a vehicle head hoisting area and a vehicle head charging area which are positioned on one side of the vehicle group parking rail; a plurality of headstock hoisting stopping rails are arranged in the headstock hoisting area side by side, the extension sections of the headstock hoisting stopping rails extend to the headstock charging area, and a power battery pack charging pile corresponding to the power battery pack charging interface is arranged in the headstock charging area; and the ultra-high-speed wheel-rail vehicle set battery replacing railway system also comprises a driving mechanism for lifting thetraction headstock , an electric control locking mechanism is arranged on a hoisting unit and is matched with a locking structure at the top of the traction headstock. The railway system simultaneously solves the problems of speed and endurance of the wheelrail vehicle set, and can better replace maglev vehicles and airplanes.

The invention provides a ballast tank communication system which comprises a first suction port arranged in a ballast tank and a second suction port arranged in a cargo hold, the first suction port and the second suction port are connected through a valve, the valve is connected to a relay integrator, and the relay integrator is connected to power distribution control equipment in a cab and display control equipment in a safety room. A liquid level sensor connected with the relay integrator is arranged in the cargo hold. When the relay integrator receives the control commands of the power distribution control equipment and the display control equipment at the same time, the relay integrator sends the control command of the display control equipment. When the cargo hold is damaged and enters water, a sailor sends a control command to open the valve through the power distribution control equipment or the display control equipment, so that the cargo hold communicates with the ballast tank, the ship heeling angle is reduced, and ship sinking is delayed. As the command of the display control equipment is prior to the command of the power distribution control equipment, once the ship encounters pirates and the cargo hold is damaged simultaneously, the system can be controlled through the display control equipment to prevent the ship from overturning.

The invention discloses a power boat for fishing, which comprises a boat body, wherein power spaces are arranged on the boat body in a bilateral symmetry mode, the lower side wall of each power spaceis communicated with a transmission space, the lower side of each power space is provided with a reversing space, and a driving space is arranged between the two reversing spaces. According to the invention, a water wheel can be driven to rotate by stepping on a pedal, and the boat body is driven accordingly. Meanwhile, the left-right steering movement of the boat body can be realized by utilizingthe torsion of a seat, and front-back rapid reversing movement can be realized in cooperation with the reversing devices, so the fault tolerance of the boat is improved. Compared with an existing fishing boat, the two hands of a fisherman are greatly liberated, the maneuverability and stability of the boat are improved at the same time, the driving time is greatly saved, the danger that the boatturns over due to the fact that the gravity center is not stable during rowing is reduced, and the boat is convenient to use by people.

The invention discloses a marine deck capable of protecting a sailor in severe weather. The marine deck comprises a deck body, and guard bards are arranged on the upper wall face of the deck body in abilateral symmetry manner. Plate lifting cavities are formed in the deck body in a bilateral symmetry manner, and plate lifting devices are arranged in the plate lifting cavities. Lifting plates capable of vertically sliding are arranged in the plate lifting devices. The marine deck is simple in structure, convenient to maintain and convenient to use; the sea scale of the deck position can be automatically monitored when a ship sails; when the sea scale exceeds a preset value, a protection device can be automatically started, then the sailor working on the deck is helped to avoid wind and waves, the sailor is prevented from being drawn into the deep sea by the wind and waves, and the safety of the sailor is greatly protected; and meanwhile a floating plate can be automatically opened, andthen the risk of overturning of the ship in the wind and waves can be reduced.