42results about How to "Facilitate modular manufacturing" patented technology

The invention discloses a spent fuel storage framework of a nuclear power plant. The spent fuel storage framework comprises small storage rooms, a framework base plate and supporting leg assemblies, wherein the small storage rooms are independent small storage room units which are fixed on the framework base plate, each independent small storage room unit comprises a sleeve, a small storage room base, an neutron absorber and a coating plate, the sleeves are fixed on the small storage room bases, and the neutron absorbers are fixed on the outer walls of the sleeves through the coating plates. Compared with the prior art, the spent fuel storage framework of the nuclear power plant disclosed by the invention, is combined by the independent small storage room units, and the structures of all the small storage rooms are completely the same, thereby having the characteristic of easiness for modular manufacturing; and the pitch of the framework can be freely regulated as required, and the spent fuel storage framework can be suitable for the neutron absorbers with different thicknesses, meets the storage requirements of various fuel assemblies and is suitable for design requirements of spent fuel storage frameworks in a first area and a second area.

The invention discloses a floating body rope wheel wave-activated generator. The floating body rope wheel wave-activated generator comprises an anchor base fixed into the seafloor, one end of a rope is fixed on the anchor base, the other end of the rope is fixedly wound on a coiling block which is of a cylinder shell structure, a mandrel is fixed below the floating body through a support, the mandrel, the motor and the coiling block are cocnetric, the motor wraps the periphery of the mandrel, and the coiling block wraps the periphery of the motor. An armature stator of the motor is fixed with the mandrel in a concentric mode, and a rotor enclosure with a permanent magnet can rotate freely on the mandrel. The two ends of the coiling block are both provided with volute springs, the inner end of each volute spring is fixed on the mandrel, and the outer end of each volute spring is fixed on the coiling block. The interior of the coiling block can drive the rotor enclosure to rotate through an overrunning coupler, and a sealing ring is sleeved on the portion, inserted into the holes formed in the two side end faces of the coiling block, of the mandrel. According to the floating body rope wheel wave-activated generator, the overrunning coupler drives the engine enclosure to rotate, rotation inertia can be reduced to the maximum extent, and core parts are all contained inside the coiling block. The floating body rope wheel wave-activated generator is compact in structure, capable of being manufactured easily in a modularized mode, low in cost, and beneficial to maintenance.

The invention discloses a high-strength anti-collision buffer fender device. The high-strength anti-collision buffer fender device comprises a rubber plate A and a rubber plate B which are parallel to each other. A plurality of sets of elastic units of the same structure are arranged between the rubber plate A and the rubber plate B. Each set of elastic unit comprises a first rigid connecting plate, a second rigid connecting plate and a spiral spring, wherein the first rigid connecting plate is fixedly connected to the side face of one side of the rubber plate A; the second rigid connecting plate is fixedly connected to the side face of the side, adjacent to the rubber plate A, of the rubber plate B; the first rigid connecting plate and the second rigid connecting plate are symmetrically arranged; and the spiral spring is connected between the first rigid connecting plate and the second rigid connecting plate. The side face of the side, used for being connected with the elastic units, of the rubber plate A, and the side face of the side, used for being connected with the elastic units, of the rubber plate B are each provided with a plurality of rubber plate protrusions extending in the height direction of the spiral springs. The high-strength anti-collision buffer fender device is of a two-stage rigidity structure, has the good buffer effect instantly when being stressed and facilitates modularized mounting and manufacturing.

The invention discloses a goaf geological sedimentation three-dimensional fast detection system. The problem that the traditional detection system is high in precision but small in range, or wide in range but high in cost is solved by adopting three-dimensional detection system based on the combination of a distributed optical fiber strain detection system and an optical fiber grating strain demodulation system. Through a special mounting way, the three-dimensional strain data of the geological sedimentation area can be collected, thereby better knowing the geological sedimentation degree. Thesystem has the following features of being fast in response speed, high in precision and good in instantaneity; the structure is simple, the three-dimensional structure laying is easier for modular manufacturing and capable of measuring the three-dimensional data; the detection range is wide in the premise of guaranteeing the detection precision, and the large-range laying can be realized; the equipment is deeply buried under the ground and cannot be influenced by the weather, the high-precision measurement can be all-weather maintained; the full-course of the measurement is automatic and free from handing on person; the underground three-dimensional data detection is in favor of geological sedimentation modelling; the optical fiber sensor can deal with various severe environments and canbe operated for a long time.

The invention belongs to field of integrated modular pressurized water reactor technology, and concretely relates to an integrated modular pressurized water reactor with a 69 reactor core. A voltage-stablizer, multiple modular steam generators, multiple wet winding main pumps, and multiple groups of control rod drive mechanisms are totally and internally arranged in a reactor pressure vessel in order to integrate into an integrated pressurized water reactor module; The voltage-stablizer is also used as a top cover of the reactor pressure vessel, an inverted cap shaped double-layer stainless steel thermal insulation board with a composite structure and air interlayers is internally arranged in the voltage-stablizer, electric heating elements are circumferentially and uniformly and horizontally arranged in the voltage-stablizer, and the electric heating elements are arranged on the thermal insulation board; multiple groups of built-in control rod drive mechanisms are arranged below the thermal insulation board and above the reactor core by using a modular double layer assembling arrangement. The product better solves contradiction of safety and economical efficiency of small reactors with good engineering realizability.

The invention relates to a modularized artificial floating island for multi-medium reinforced repair of a polluted water body and application of the modularized artificial floating island. The modularized artificial floating island comprises one or more transparent floating island frames which are sequentially communicated. Each floating island frame is internally provided with a supporting mesh plate for dividing the floating island frame into an upper layer frame body and a lower layer frame body. Each upper layer frame body is internally and sequentially filled with a base body medium layer and a filler layer from top to bottom. Each base body medium layer is provided with a planting hole led to the corresponding filler layer. A plurality of check holes are formed in the side wall, corresponding to the corresponding filler layer, of each upper layer frame body. The bottom in each lower layer frame body is laid with a substrate. A plurality of check holes are formed in the side wall of each lower layer frame body. The check holes are provided with detachable mesh. Compared with the prior art, the modularized artificial floating island has the advantages that by adopting the light base body medium layers, establishing the filler layers easy to install and replace and suitable for microorganism adhesion, establishing a complete biological system layer and the like, manufacturing time is shortened, occupied land is reduced, long-term durability and efficient pollution removal are achieved, water quality purification and landscape functions are achieved due to modularized combination, and the effect of repairing the polluted water body is good.

The invention discloses a power generating device for rolling roads. The power generating device comprises a movable cover plate and a central shaft connected with the movable cover plate, wherein the central shaft is divided into a bearing section, a deformation section and a power generating section in sequence from top to bottom; the bearing section is connected with the movable cover plate; the power generating section is wound with conducting coils; a spring is sheathed on the deformation section; the connecting part between the deformation section and the bearing section is provided with a positioning joint larger than the outer diameter of the spring. The power generating device also comprises a fixed plate, wherein the fixed plate is provided with a penetrating hole with the diameter less than the outer diameter of the spring but more than the outer diameter of the power generating section, and the power generating section penetrates through the penetrating hole; a magnetic-permeable body surrounding the power generating section is arranged in the space under the fixed plate; and the central axis of the magnetic-permeable body is coincided to the central axis of the penetrating hole. The invention also discloses an array of the power generating device for rolling the roads. The power generating device and the array disclosed by the invention have the advantages that charges are generated by utilizing the displacement of the central axis along the vertical direction, and the central axis is returned by utilizing the spring; and the structure is simple, the parts are fewer and the reliability is high.

The present invention includes main control node module, CAN bus and plurality of site node modules, wherein said main control node module to realize steering mode selection, steering trapezium analyses, state monitoring, to proceed information communication teamwork through CAN bus and site node module to realize each wheel train movement comprehensive; said site node module to realize node servocontrol; said main control node module embedded with steering mode unit, steering trapezium analyses unit and closed loop steering control unit. Said invented steering control system realizes multiple-axle driving vehicle and engineering mechanic variety steering mode based on site bus movement integrated mode. Said Site node module is used as one node in control system, and directly connected with CAN bus, capable of being distributed nearing the controlled object, which greatly reduces connection line number and the wiring being simple and easy maintenance, raising systematical reliability.

The invention relates to the field of household electrical appliance and especially relates to an induction cooker (101) with a magnetic stripe arranged at the upper side of a support. The induction cooker comprises a panel and a bottom casing (201), the panel and the bottom casing (201) form a cavity, a support (202), the magnetic stripe and a coil (206) are arranged in the cavity, and the support (202) is prepared from Al, is in a shape of a plate and is directly and fixedly arranged on the bottom casing (201). The coil (206), the magnetic stripe, an insulation sheet (205) and the support (202) are fixed to form a heating module by bonding connection or clamp connection. The induction cooker has an ultrathin structure having the thickness less than 20mm, has unaffected thermal diffusivity and avoids reverse direction heating problems.

The invention relates to a topological structure of a double-clamping subunit and a converter. The topological structure comprises an upper clamping module, a lower clamping module, a first guiding switch tube, a second guiding switch tube, a bypass switch T1 and a bypass switch T2. The topological structure of the double-clamping subunit is capable of reducing the overcurrent risk of the guidingswitch tubes; and when one clamping module is seriously faulted, the other clamping module can work continuously, so as to ensure the stable system operation, facilitating the independent separation of the upper clamping module and the lower clamping module, and providing convenience for large-scale production and application.

The invention belongs to field of integrated modular pressurized water reactor technology, and concretely relates to an integrated modular pressurized water reactor with an 89 reactor core and a suspension main pump. A voltage-stablizer, multiple modular steam generators, multiple wet winding main pumps, and multiple groups of control rod drive mechanisms are totally and internally arranged in a reactor pressure vessel in order to integrate into an integrated pressurized water reactor module; The voltage-stablizer is also used as a top cover of the reactor pressure vessel, an inverted cap shaped double-layer stainless steel thermal insulation board with a composite structure and air interlayers is internally arranged in the voltage-stablizer, electric heating elements are circumferentially and uniformly and horizontally arranged in the voltage-stablizer, and the electric heating elements are arranged on the thermal insulation board; multiple groups of built-in control rod drive mechanisms are arranged below the thermal insulation board by using a modular double layer assembling arrangement; reactor internals are arranged outside the control rod drive mechanisms, and in the reactor pressure vessel and below the thermal insulation board. The product better solves contradiction of safety and economical efficiency of small reactors with good engineering realizability.

The invention aims to disclose a gas shield dam structure and an implementation method thereof. The gas shield dam structure comprises a shield plate and an inflatable air bag, the shield plate and the inflatable air bag are mutually connected, installed and fixed through an anchoring mounting assembly, the anchoring mounting assembly at least comprises a pressing plate mounting piece, a shield plate connecting part used for being connected with the shield plate and a pressing plate connecting part used for pressing the inflatable air bag are arranged on the pressing plate mounting piece correspondingly. Compared with the prior art, the shield plate and the inflatable air bag are installed on the capital construction through the anchoring mounting assembly, mounting of the gas shield dam is realized, mounting is very convenient, a lot of time is saved, the mounting cost is reduced, a steel wire rope and a vulcanization sealing layer are arranged at the front end of the inflatable air bag, the service life of the inflatable air bag is effectively prolonged, modularization manufacturing of the gas shield dam is facilitated, the maintenance is convenient, and the purpose of the invention is realized.

The invention relates to the technical field of steel structure composite floor slabs, and particularly relates to a light assembly type steel structure composite floor slab and an implementation method thereof. An existing steel structure floor slab is large in field wet operation amount, large in weight and insufficient in heat preservation performance, sound insulation performance and anti-seismic performance. The light assembly type steel structure composite floor slab for an assembly type steel structure building comprises a steel frame, pipelines and a light concrete layer. The steel frame comprises a steel beam and a plurality of supporting frameworks, wherein a supporting plate is laid on the lower bottom face of the steel frame, a waterproof film is laid on the upper top face of the steel frame, and a cavity is formed in the steel frame; the cavity is filled with a heat preservation and sound insulation layer; a decoration layer is laid on the surface of the composite floor slab; pipeline holes allowing the equipment pipelines to penetrate through are reserved in webs of the supporting frameworks; and the equipment pipelines are connected with a junction box. The wet operation amount is reduced, the weight of the floor slab is reduced, meanwhile, good heat preservation, sound insulation and flame retardance are achieved, and good development prospects are achieved in the technical field of steel structure composite floor slabs.

The invention discloses a sweeping system for a sweeping robot of a photovoltaic power station. A replacing connector is arranged on a support and comprises a bearing assembly, a sweeping spindle, a torsional spring, a lifting lever and a limiting block. The sweeping spindle is installed in a hole of the bearing assembly, a groove is formed in the end face of one end of the sweeping spindle, and the torsional spring, the lifting lever and the limiting block are arranged on the side face of the end. The torsional spring presses the lifting lever, the lifting lever is located at the work position, and the limiting block is arranged above the lifting lever and used for limiting the upper limit position of the lifting lever. A disc brush assembly and a rolling brush assembly are two independent assemblies. The disc brush assembly comprises a disc brush rotating shaft, a disc brush, a transmission gear and a gear shaft. The rolling brush assembly comprises a rolling brush and a coupler. Protruding blocks are arranged at the end portion of the gear shaft in the disc brush assembly and the end portion of the coupler in the rolling brush assembly and can be inserted in the groove in the sweeping spindle. The common replacing connector is designed, and therefore different sweeping assemblies can be replaced conveniently and rapidly, and modular manufacturing and assembling of the sweeping robot are facilitated.

The invention belongs to the field of vegetable oil refining and oil processing as well as industrial application equipment thereof, and in particular relates to a vegetable oil physical refining device and a vegetable oil physical refining method. All system devices in the vegetable oil physical refining device cooperate with one another, thus forming an organically coordinated whole. An enzyme preparation applied in the device and the method is free from pollution and meets the requirements of clean production; the best activity of the enzyme preparation can be kept and excited from storageto production, so that the enzyme preparation can be utilized efficiently; the using process is finer and more efficient, and the production process is flexibly and steadily controlled. By using the system to keep the activity of the enzyme preparation, the efficient and fine utilization of enzyme and the stable control of the production process are realized, so that the stability and consistencyof quality of products can be effectively guaranteed in a mass production process.

The invention discloses a single-phase reactive compensator based on a buck-boost AC chopper, which relates to the technical field of power system application. The single-phase reactive compensator can make dynamic compensation for the reactive current of a single-phase grid side. The single-phase reactive compensator based on a buck-boost AC chopper includes an input filter, a buck-boost direct AC-AC conversion unit and a reactive compensation capacitor connected in turn. The input filter and the buck-boost direct AC-AC conversion unit constitute a buck-boost AC chopper. According to the single-phase reactive compensator based on a buck-boost AC chopper, the reactive compensation capacitor adopted is a thin film capacitor, and the whole device is smaller, cheaper and more reliable and iseasy to manufacture in a modular way. Through pulse width modulation on a switch tube, the reactive compensation current adjustment range of the whole device is wider under the condition that the voltages of the reactive compensation capacitor and the single-phase grid are the same.

A generating system horizontally, vertically, and comprehensively utilizing floating body rope wheel comprises a hollow floating body and a generating cabin located in the center of the floating body and located on the same plane as the floating body. The generating cabin is connected with the floating body through a plurality of ropes connected to the inner side of the floating body and arranged in diagonal mode. An anchoring base is fixed on the sea bed perpendicularly under the generating cabin. The generating cabin is connected with the anchoring base through a rope. A plurality of fixed floating body anchoring bases are arranged on the periphery of the floating body and are connected with the outer side of the floating body through lock chains. The generating system can sufficiently utilize energy in the horizontal direction and the vertical direction of waves to generate electricity and is high in energy utilization rate. Moreover, a generator is embedded in a coiling block, and the coiling block drives, through an overrunning coupler, a minimai promoter shell to rotate, so that rotating inertia can be reduced to a largest degree, and the service life of the whole equipment can be improved. Core parts are all contained in the coiling block, so that the generating system has the advantages of being compact in structure, easy to manufacture in a modularized mode, low in cost, and favorable to maintenance.

The invention belongs to the field of braille display, and particularly relates to a braille display screen applying an electroactive polymer and a display method of the braille display screen. When the braille display screen runs, braille text signals are transmitted to the encoding module, the encoding module encodes the braille text signals and then transmits the encoded braille text signals tothe main control module in the form of electric signals, and the main control module sends out control instructions according to the obtained electric signals so as to control cut-off and conductionof all MOS transistors. After the MOS transistors are conducted, positive and negative electrodes of the power supply are connected in series with the braille hole module. The volume of the electroactive polymer in each braille hole module expands and becomes larger under the action of direct-current voltage, so that a protruding point is formed at the corresponding position of the braille displayscreen, different protruding point positions are controlled by controlling cut-off and conduction of the MOS tubes corresponding to the different braille hole modules, and then different braille characters are combined.

The invention discloses a wet oxidation reaction system. The reaction system comprises a reactor, a temperature control module, an air intake and exhaust module, a water inflow and drainage module anda distributed control module. Specifically, the reactor body comprises a reaction tank and an internal circulation gas-liquid mixing unit, liquid in the reactor flows in a horizontal direction, gas flows from the bottom up, and is mixed with the liquid flowing in the horizontal direction, and then gas-liquid mixing unit and the air intake and exhaust module are independently controlled respectively; the internal circulation gas-liquid mixing unit comprises a gas-liquid mixing device for sucking gas above the liquid level in the reaction tank and conveying the gas into liquid in the reaction tank for gas-liquid mixing, an aerator pipe and an aerator. The system has the advantages that the gas-liquid mixing process can be reinforced, each module is controlled independently, the oxidation reaction is facilitated, and the reaction process is easy to control.

The invention discloses a cleaning system for a photovoltaic power station cleaning robot. A replacement joint is installed on the bracket. The replacement joint includes a bearing assembly, a cleaning spindle, a torsion spring, a lever and a limit block; the cleaning spindle is installed in the hole of the bearing assembly, with a groove on one end of the end and a groove on the side of the end. It is equipped with a torsion spring, a lever and a limit block. The torsion spring presses the lever so that the lever is in the working position. The limit block is set above the lever to limit the upper limit position of the lever; the disk brush The assembly and the roller brush assembly are two independent components. The disc brush assembly includes a disc brush rotating shaft, a disc brush, a transmission gear and a gear shaft. The roller brush assembly includes a roller brush and a coupling. The gear shaft and roller brush in the disc brush assembly The ends of the couplings in the assembly are respectively provided with bumps, and the bumps can be inserted into the grooves on the cleaning spindle. By designing a common replacement interface, the present invention can easily and quickly replace different cleaning components, which is beneficial to the modular manufacturing and assembly of the cleaning robot.

The invention provides a battery pack. The battery pack comprises a box body, an explosion-proof structure and a plurality of pole core strings which are positioned in the box body and are electrically connected with one another, wherein the box body comprises at least one sub-box body, structural beams are arranged in the sub-box body, the interior of the corresponding sub-box body is divided into a plurality of accommodating cavities by the structural beams, and pole core strings are arranged in the accommodating cavities; a through hole is formed in the box body, the accommodating cavity is communicated with the through hole, and the explosion-proof structure correspondingly seals the through hole; and a mounting part is arranged on the box body and is used for being fixedly connected with an external load. The invention further provides an electric vehicle. According to the battery pack, the explosion-proof structure is arranged at the position, which corresponds to the accommodating cavity, of the box body, the battery pack can be prevented from exploding due to abnormal work and violent gas production of the pole core string in the accommodating cavity, and the battery pack is simple in structure, high in assembly efficiency and beneficial to reducing the production cost.

The invention discloses an automatic split submarine pressure shell hoop locking device which is good in locking effect and enhances safety of a pressure shell. The locking device comprises a mounting block mounted at one end of a hoop, at least one mounting through hole is formed in the mounting block along the length direction of the hoop, a piston cylinder is arranged at the other end of the hoop, one end of the piston cylinder is closed, the other end of the piston cylinder is opened, an opening side of the piston cylinder faces a notch of hoop, a piston is arranged in the piston cylinder, a sealing ring is arranged between the periphery of the piston and the inner wall of the piston cylinder, a limit block for limiting position of the piston is arranged on one side close to the opening end in the piston cylinder, a positioning pin seat is arranged on one side close to an opening of the piston cylinder on the piston, a positioning pin is arranged in the positioning pin seat, at least one locking rod matched with the mounting through holes rotatably sleeves the positioning pin, the ends of the locking rods penetrate the mounting block, and locking nuts are arranged on the ends of the locking rods through threads. The invention further discloses a split submarine pressure shell with the locking device.

The invention relates to the field of household electrical appliance and especially relates to an induction cooker (101) with a magnetic stripe arranged at the upper side of a support. The induction cooker comprises a panel and a bottom casing (201), the panel and the bottom casing (201) form a cavity, a support (202), the magnetic stripe and a coil (206) are arranged in the cavity, and the support (202) is prepared from Al, is in a shape of a plate and is directly and fixedly arranged on the bottom casing (201). The coil (206), the magnetic stripe, an insulation sheet (205) and the support (202) are fixed to form a heating module by bonding connection or clamp connection. The induction cooker has an ultrathin structure having the thickness less than 20mm, has unaffected thermal diffusivity and avoids reverse direction heating problems.

The invention discloses a plate vibration damping connection structure, which is composed of a first connecting plate, a second connecting plate, an elastic thin plate, a V-shaped thin plate, a first damping block and a second damping block, wherein the two ends of the elastic thin plate The first connecting plate and one end of the second connecting plate are butted and fixedly connected to form a flat plate structure, the second damping block is pasted on the bottom plane of the elastic thin plate, and the two ends of the V-shaped thin plate are connected to the two ends of the V-shaped thin plate respectively. The bottom plane of the other end of the first connecting plate and the second connecting plate are fixedly connected to form an overall structure with an isosceles triangle in cross-section, and the first damping block is pasted symmetrically on the inner surface of the V-shaped thin plate. The invention is easy to process and is convenient for modular manufacturing, and can partially replace the stiffeners of the traditional stiffened plate structure, without increasing the weight and thickness and improving the overall bearing capacity of the plate structure, and comprehensively utilizes impedance mismatch vibration resistance, active vibration elimination and The combined design of the damping and vibration reduction principle can significantly improve the vibration reduction effect of the vibration transmission of the plate structure.

The invention discloses a three-phase reactive power compensation device without a DC energy storage unit, which comprises three identical circuit breakers, three identical compensation units and a filter inductance module. The filter inductance module consists of three star-shaped connected inductors Composition; one end of the first circuit breaker is connected between the a-phase power supply and the a-phase inductive reactive load, the other end is connected to the first compensation unit, and one end of the second circuit breaker is connected to the b-phase power supply and the b-phase inductive reactive load. The other end of the third circuit breaker is connected between the c-phase power supply and the c-phase inductive reactive load, and the other end is connected to the third compensation unit; the other end of the three compensation units One end is respectively connected to the three inductors of the filter inductor module. The invention does not need a DC energy storage unit, and the capacitors used are all AC capacitors. The whole device has high reliability, long service life, easy modular manufacturing and high cost performance.

The invention discloses a multi-stage speed reducer based on a linear motor. The speed reduction unit can be divided into a first stage, a sliding stage and a final stage. Several kinds of repelling devices are installed on each reduction unit. The repulsion device includes springs, NdFeB magnets, electromagnets and several closed coils. Based on the principle of conservation of momentum, the mover under high-speed motion and each deceleration unit undergoes non-contact elastic collision, and the momentum of the mover is distributed to each deceleration unit, so that the kinetic energy is transmitted layer by layer in each deceleration unit, thereby weakening the movement of the mover When the kinetic energy, to achieve the purpose of deceleration and braking.

The invention discloses an elastic composite anti-vibration joint of a marine ventilation pipe. The elastic composite anti-vibration joint of the marine ventilation pipe is composed of a flange, an annular anti-vibration mass block, an intermediate anti-vibration mass block, an elastic rubber tube and a superfine fiber layer. One end of the elastic rubber tube and the ring-shaped anti-vibration mass block are connected by bolts through flanges and screw holes, and the other end is connected by two I-shaped elastic rubber tubes facing each other, and the middle stacked middle anti-vibration mass block is connected by bolts. Elastic rubber tubing and microfiber layers glued together. Among them, the ring-shaped anti-vibration mass block, the middle anti-vibration mass block and the elastic rubber tube can be combined freely according to the actual anti-vibration requirements of the ventilation duct, so as to achieve various anti-vibration effects. The invention can effectively reduce the vibration transmission between the excitation source and the pipeline system, and achieve the effect of damping the vibration of the ventilation pipeline system. The invention is applied to the field of ship ventilation ducts.

The invention belongs to the technical field of port water conservancy projects, and particularly relates to a fishing port wharf structure suitable for different water levels and a using method of the fishing port wharf structure. The modularized parking unit comprises a supporting vertical plate, a floating air bag, a storage box, a roller shutter type parking plate, a telescopic rod, a limiting bottom plate and a self-adjusting guide mechanism, the floating air bag is connected to the middle of the outer side of the supporting vertical plate, the storage box is fixed to the top of the supporting vertical plate, the telescopic rod is installed at the bottom of the supporting vertical plate, and a storage area and an air pump installation area are arranged in the storage box. The buoyancy adjusting air pump is communicated with the floating air bag, a rolling shaft of the rolling and unrolling assembly is connected with a roller shutter type stopping plate in a winding mode, and a self-adjusting guide mechanism is installed on the inner side of the supporting vertical plate. A plurality of independent modularized parking units are designed to form the fishing port wharf structure, each modularized parking unit serves as a leasing unit, the parking requirements of different small fishing boats are met, and meanwhile the partition leasing requirement of a leasing type fishing port wharf is met.