256results about How to "Solve replacement" patented technology

Embodiments of the invention provide an antenna apparatus, a base station and a communication system. The antenna apparatus comprises: an antenna part, an active part and a common part, wherein the antenna part comprises a common radome; the active part is connected with the antenna part and comprises at least one active module; the each active module comprises at least one antenna oscillator, a oscillator reflection plate and a phase shifter; the oscillator reflection plate and a phase shifter correspond with the each antenna oscillator; the oscillator reflection plate of the at least one active module is used for realizing an antenna function; the common part is connected with the active part and the antenna part and is shared by at least one active module in the active part; the common part comprises at least one common module. Through the above antenna apparatus, each radio frequency module can be flexibly configured so as to satisfy combination demands of different products. On-site replacing and maintenance operations can be further simplified.

The invention discloses a span-adjustable bending test clamp with a positioning function, and belongs to the technical field of aircraft structure bending tests. The clamp comprises two clamp upper fulcrums, two clamp lower fulcrums, an upper clamp guide rail platform, a lower clamp guide rail platform and an acting barrel. The upper clamp guide rail platform and the lower clamp guide rail platform are provided with sliding rails respectively and provided with scales in the direction of the sliding rails. Threaded holes are formed in the sliding rails. The clamp upper fulcrums and the upper clamp guide rail platform are in sliding connection and are fixed through bolts. The clamp lower fulcrums and the lower clamp guide rail platform are in sliding connection and are fixed through bolts. The lower clamp guide rail platform is fixed to a test machine loading frame through a test machine lower chuck. The upper clamp guide rail platform is fixedly connected with the acting barrel through a test machine upper chuck. The problems that when large-load and large-deformation bend tests are carried out, the span of clamp fulcrums cannot be adjusted, and a clamp cannot adapt to test piece size changes or meet design requirements are solved.

The invention relates to a novel prefabricated plate type damping track structure for rail traffic. The novel prefabricated plate type damping track structure consists of steel rails, fasteners, prefabricated plates, an elastic cushion, sealing sleeves, a vertical connecting device, a filling layer and the like, wherein the elastic cushion and the prefabricated plates can be integrally compounded in a plant; holes which penetrate through track plates in the thickness direction can be reserved in the track plates to fill the filling layer and observe the filling condition; pre-formed holes allowing supporting legs to be mounted and a hole allowing a measuring positioning sign to be mounted are formed in the track plates; a centering sign for paving positioning, an embedded component for the compound connection of the elastic cushion, hoisting nails for hoisting, an embedded component for longitudinal connection of the track plates, an embedded component for mounting contacting rails and the like can be reserved in the track plates. According to the novel prefabricated plate type damping track structure disclosed by the invention, the problems of quick and high-accuracy construction and subsequent replacement are solved, and the novel prefabricated plate type damping track structure has the characteristics of being simple in construction operation procedure, high in construction speed, high in accuracy, good in track ride smoothness, low in labor intensity and the like, and conforms to the current rail traffic requirements of being environmentally-friendly, high in efficiency and low in disease, so that the problems of vibration caused by the operation of city rail traffic vehicles and secondary structure noise can be effectively reduced.

The invention relates to a precast slab type vibration damping rail structural system and a matched construction method. The rail structural system consists of steel rails, fasteners, precast slabs, an elastic cushion layer, a sealing sleeve, a longitudinal connecting device, a filling layer and the like, wherein the elastic cushion layer and the precast slabs can be compounded as a whole in a plant. According to the engineering needs, a track board can be reserved with 1-3 holes (for infusing the filling layer and observing an infusing state) which penetrate through the track board in a thickness direction, pre-formed holes for mounting supporting legs, a hole for mounting a measuring and positioning mark, an aligning mark for laying and positioning, a pre-embedded part for composite connecting of the elastic cushion layer, lifting pins for lifting, a pre-embedded part for longitudinally connecting the track board, a pre-embedded part for mounting a contact rail, and the like. The precast track board is laid by adopting laying equipment such as a plate transporter, a crane trolley, a fine-tuning trolley and the like, so that the precast slab type vibration damping rail structural system has the characteristics of a simple construction process, high construction speed, high construction speed, good rail smoothness and low labor intensity; and the convenience problem of replacing the track board and the elastic cushion layer after operation is solved.

The invention discloses a principle and mode for implementing a permeable concealed display, based on discovery and proper application that a moving object has a concealing characteristic, where a control part senses and controls shading value variation and periodical movement of light emitting display components on a movement display control part, thus using duration of vision to be able to achieve character or pattern display and make a permeable visual effect. If an outer cover is completely transparent, the displayed contents watched from various sides can be different; looking from the non-displaying places, it does not obviously influence clairvoyance and transparence does not influence lighting. And an auxiliary part implements functions of power supply, keyboard processing, and communication, thus implementing data updating or cooperation of plural screens to compose a large system. And the invention is applied to the fields, such as advertising glass of buildings and vehicles prompt glass, advertising curtain wall, and banners in meeting places.

The invention provides a superconducting claw-pole motor. A stator part comprises a hollow support shaft, n superconducting exciting winding supports and a Dewar structure, wherein the n superconducting exciting winding supports and the Dewar structure are fixed on the hollow support shaft, a superconducting exciting winding is arranged in each exciting winding support, and a refrigerant pipe and a superconducting outgoing line are arranged in the hollow support shaft; a rotor part comprises a rotor shaft and n rotor magnet yoke sets; and each rotor magnet yoke set comprises an A magnet yoke and a B magnet yoke, claw poles on the two magnet yokes are distributed in a staggered mode and oppositely buckled on the two sides of a corresponding superconducting exciting winding, and the rotor shaft and the n rotor magnet yoke sets can rotate synchronously around the central axis of the rotor shaft. Motors in different power levels can be implemented through expanding the diameters along the radial direction or increasing the number of superposed claw pole assemblies along the axial direction. According to the invention, under the premise of meeting the operation of superconducting motors, the superconducting claw-pole motor disclosed by the invention has the characteristics of simple structure, low cost, easy machining, direct power-supply connection of exciting windings, no carbon brush or induced circuit required, small weight and size, and the like, and improves the reliability and efficiency of systems.

The invention discloses a replaceable ceramic or glass type sealed electrical penetrating piece assembly. The penetrating piece assembly comprises a circular-tube-shaped stainless steel assembly shell, an insulated conductor is coaxially arranged in the assembly shell, ceramic sealing pieces are arranged at two ends of the insulated conductor, the outer walls of the ceramic sealed pieces and the inner wall of the end part of the assembly shell are sealed through elastic metal transition rings; a plurality of penetrating piece assemblies are coaxially arranged in a circular-tube-shaped stainless steel penetrating piece body, end plates are arranged at two ends of the circular-tube-shaped stainless steel penetrating piece body, the peripheries of the end plates and the inner wall of the penetrating piece body are sealed through elastic metal sealing rings; and the assembly shell and the end plates arranged at the two ends are sealed through sealing blocks and sealing holes. The penetrating piece assembly can solve the problem of the change of an electrical penetrating piece sealing conductor. Double-way sealing and multi-way sealing structures are realized to adapt to different electrical penetrating requirements.

The present invention relates to a fire-resisting core of petroleum storage tank and pipeline flame arrester for resisting flame propagation and resisting detonation. Said fire-resisting core is made up by using metal ribbon material through a spiral winding process. Said fire-resisting core has a certain thickness and an elastic structure, and has a good space flow channel, so that the elastic deformation performance of said structure can resist the flame propagation and can resist the detonation production.

The invention discloses a detachable surface glass type touch screen. The detachable surface glass type touch screen comprises surface glass, a PET (polyethylene terephthalate) panel, cover plate ink and a sensor, wherein the surface glass and the PET panel are glued together through an AB adhesive, the surface glass is bonded with an OCA surface of the AB adhesive, the cover plate ink with a silk-screen printing effect is printed on the PET panel in a silk-screen printing manner, the non-ink surface of the PET panel is attached to a silicone surface of the AB adhesive, and the ink surface of the PET panel is attached to the OCA surface of a functional chip of the sensor. The problem that the whole touch screen and even a display screen are required to be replaced after the surface glass of a conventional touch screen is broken is solved, that is, all that is required is to change for surface tempered glass after the surface glass of the touch screen is accidentally broken by a user.

The invention discloses a preparation method for an active carbon deodorant and application of the active carbon deodorant in removal of fish meal processing odor. The preparation method comprises the following steps of: inoculating at least one of bacillus subtilis, yeast, bacillus natto and rhizopus into a mixed solution containing ferrous chloride, zinc sulfate and glucose, adding active carbon particles with the particle size of 10-30 meshes, soaking for 10 to 30 minutes, taking the active carbon particles out, and draining for 5 to 10 minutes to obtain the active carbon deodorant. The ferrous chloride, the zinc sulfate, the glucose and microorganisms are adsorbed in the active carbon deodorant, the ferrous chloride, the zinc sulfate and the glucose contribute to growth and reproduction of the microorganism and have synergism for deodorizing; the microorganisms can degrade odor adsorbed by the active carbon particles, so that the effect of adsorbing the odor is good, the adsorbed odor can be degraded, and a problem that the active carbon is required to be replaced or desorbed after adsorption saturation is solved; meanwhile, a problem of secondary pollution during desorption of the active carbon is solved, and the active carbon deodorant has the deodorizing rate of over 99 percent when applied to removing the fish meal processing odor.

The invention discloses a demountable guide post blanking mould. The demountable guide post blanking mould comprises an upper mould part and a lower mould part, wherein the upper mould part comprises a mould handle and a convex mould, and an upper mould base is arranged outside the mould handle in a sleeving mode; a convex mould fixing plate is arranged below the upper mould base; the convex mould fixing plate is connected with the convex mould; the lower mould part comprises a lower mould base; a concave mould is arranged on the upper part of the lower mould base; the lower mould part further comprises guide parts, and each guide part comprises a guide post, a guide sleeve and a lining bushing; each guide post is divided into a cylindrical end and a tapered end; the cylindrical end of each guide post is matched with the corresponding guide sleeve; the tapered end of each guide post is matched with the corresponding lining bushing; the guide sleeves can move along the guide posts up and down; the tapered end of each guide post is further provided with a gasket; and each gasket is in threaded connection with the corresponding guide post. The demountable guide post blanking mould has the beneficial effects that the lining bushings are additionally arranged between the guide posts and the lower mould base, the guide posts are detachably connected with the lining bushings, and the lining bushings are detachably connected with the lower mould base, so that detachable connection of the guide posts is realized, and therefore, the problem that the guide posts are required to replace after being worn is effectively solved, and the using cost of the mould is reduced.

An electronic tag 2 for monitoring bolt looseness includes an electronic tag body 21 and an electronic tag base 22. The electronic tag body 21 includes a counterbore 212, a non-stationary portion 218,a fragile region 211, a stationary portion 217, and a radio frequency circuit. Between the non-stationary portion 218 and the stationary portion 217, only a portion of the anti-disassembly thread 215and a small numb of other portions are connected to form the fragile region 211. The radio frequency circuit includes a radio frequency chip 213, an antenna 214, and a disconnect-proof wire 215. Whenthe non-stationary portion 218 is subjected to a rotational force causing the fragile region 211 to break, the detachment-proof wire 215 is also broken. The radio frequency chip 213 in the radio frequency circuit may store the tag number, and when the anti-disconnect wire 215 is disconnected, the disconnect signal and the tag number are uploaded to the monitoring platform through the tag reader / writer. The invention has the advantages of simple structure, small volume, no power supply, accurate monitoring and large area application.

A method and apparatus for measuring the phase noise of an low noise block (LNB) and other devices while the device under test is on line is disclosed. Using a signal processing procedure over a short duration of a received signal, the technique demodulates the signal to expose the phase history of the underlying carrier for measurement. In an exemplary apparatus timing and carrier recovery on A / D samples are performed conventionally, a linear phase is estimated from minimum mean square fitting to the recovered carrier phase history, the single tone carrier is removed from the recovered phase to yield a residual phase. A fast Fourier transform (FFT) can be performed on the residual phase to produce a phase noise spectral measurement at an input of the demodulator.

A battery pack of excess lithium batteries, comprising a string of N in-use battery cells connected in series, at least one battery cell is connected in series at the positive end of the battery pack as a spare battery cell, in normal use, the output of the battery pack is The positive and negative terminals of the N in-use battery cell strings are output, and the positive electrode of the spare battery cell is in an open circuit state; the spare battery cell and the battery cell in use in the battery pack are of the same type, have the same voltage, and have the same charging voltage. The characteristics are the same; the backup battery cells are connected in parallel with battery cell protectors, and the number of battery cell protectors is the same as that of the backup battery cells; a battery manager is installed in the surplus lithium battery battery pack. The surplus lithium battery accumulator set of the present invention solves the problem of on-site replacement of battery cells. The method is simple and easy to operate, which can ensure that the electric vehicle can continue to drive and return to the factory by itself, and provides technical support for the promotion of electric vehicles.

The invention relates to a PMP-principle-based dual-state adaptive control method of a plug-in hybrid power system. The PMP-principle-based dual-state adaptive control method mainly includes the following steps that S1, according to the data recorded by a vehicle-mounted GPS system and an actual operation scenario of a vehicle, a comprehensive working condition including the speed and a road slopeis constructed; S2, according to parameters of the whole vehicle, power parts and transmission parts, a longitudinal vehicle dynamics model and a control-oriented engine, motor and battery circuit model are established; S3, a battery capacity attenuation model considering calendar aging is constructed; S4, a pontryagin minimum principle is used for determining a reasonable compromise proposal between battery aging and energy consumption offline; S5, based on the pontryagin minimum principle, an adaptive control strategy is developed; S6, reference trajectories of battery states of charge andbattery aging states are planned; and S7, the dual-state adaptive control method is tested and corrected. According to the PMP-principle-based dual-state adaptive control method, a new idea is provided for the multi-objective adaptive control of the plug-in hybrid power system, so that the comprehensive operation cost of the vehicle is minimized.

The invention provides a hydrogen production and hydrogen refueling station system. The hydrogen production and hydrogen refueling station system comprises hydrogen production equipment, temporary storage equipment and pressure adjusting equipment, wherein the hydrogen production equipment, the temporary storage equipment and the pressure adjusting equipment are connected through pipelines, the hydrogen production equipment is used for producing hydrogen, the temporary storage equipment is used for storing the hydrogen in the hydrogen production and hydrogen refueling station system, the pressure adjusting equipment is used for adjusting the pressure of the hydrogen gas flow flowing through the pressure adjusting equipment, the number of the pressure adjusting equipment can be multiple, the temporary storage equipment comprises a first storage tank and a second storage tank, the first storage tank is connected with the hydrogen production equipment through a pipeline, the second storage tank is connected with the first storage tank through a pipeline, the pressure adjusting equipment is arranged on the pipeline for connecting the second storage tank with the first storage tank, a hydrogen refueling pipeline is further connected to the second storage tank, and the hydrogen refueling pipeline can output various hydrogen with different pressures to the outside. The invention further provides a hydrogen production and hydrogen refueling method.

The embodiment of the invention provides a migration method, a computer and a device of stored data, used for migrating the stored data in the computer. An operation system of the computer suspends current executed mission to execute the migration of the stored data after gaining a first trigger command, ensures a source memory card of the stored data to be migrated, ensures a back-up memory card for the source memory card, indicates a memory controller of the source memory card to perform the migration of the stored data to make the memory controller read the stored data in the source memory card according to the indication of the operation system, writing the stored data of the source memory card into the back-up memory card to migrate the stored data in the source memory card when the computer is out of power, thereby realizing online maintenance of the fault stored data and solving the problem that replacement and maintenance of the fault memory card can be performed only when the computer is out of power.

The invention provides a vertical-axis magnetic levitation tidal current energy power generation device and method in combination with an offshore horizontal-axis wind turbine tower barrel. The vertical-axis magnetic levitation tidal current energy power generation device comprises a central unit, a magnetic levitation rotor unit and a supporting unit, wherein the central unit comprises the horizontal-axis wind turbine single-pile tower barrel and a stator winding. The single-pile tower barrel is fixed to a seabed. The stator winding sleeves the outer wall of the single-pile tower barrel. Themagnetic levitation rotor unit is suspended around the annular stator winding under the action of the supporting unit. The supporting unit is a closed-loop rail with a T-shaped section and is correspondingly arranged below the magnetic levitation rotor unit and fixed to the seabed around the single-pile tower barrel. When a sea tide rises or falls, sea currents push blades to rotate, and magneticpoles of a permanent magnet in the rotor unit are rotated. At the moment, the stator winding installed on the outer wall of the wind turbine single-pile tower barrel converts tidal current kinetic energy into electric energy by cutting rotating magnetic induction lines, and the under-sea tidal current energy power generation method is added on the basis of an existing offshore wind energy power generation system, so that the comprehensive utilization rate of offshore energy is effectively increased.

The invention discloses a pipe expansion and drawing construction process for reorganization and expansion of a drainage pipe network. The construction process comprises the following specific steps that pre-troubleshooting is carried out; the application of road occupation, road breaking and removal is carried out; measurement and setting out as well as fence setting are carried out; blockage iscarried out; flow guiding is carried out; blockage removal is carried out; after pipeline cleaning is finished, the detection personnel carry out CCTV detection on the pipe section; pretreatment, roadbreaking, comprehensive pipeline check and verification and CCTV detection are carried out; a static pipe expansion method is adopted for construction, a hydraulic oil cylinder is used for providingthe tension traction for pulling a cutter and a pipe expansion head, the pipe expansion head is connected with a new pipeline, when the cutter cuts an old pipeline under pulling of a pull rod, meanwhile, the pipe expansion head extrudes the old pipeline, fragments enter the surrounding soil, and paving of the new pipeline is also completed; and site cleaning carried out. The pipe expansion and drawing construction process, comprising the steps, for reorganization and expansion of the drainage pipe network is adopted, so that the problem of replacement of plastic pipes which cannot be solved byother pipe expansion methods is solved, moreover, the process is the unique and feasible non-excavation method for updating a small pipe diameter plastic pipeline, meanwhile, the treatment pressure of a sewage plant is reduced, and the water environment is protected.

A pallet structure includes at least one bottom plate and at least one air bag. The at least one bottom plate is disposed on a bottom side of the cabinet for supporting the cabinet. The at least one air bag is detachably installed on a bottom side of the at least one bottom plate. The at least one air bag is inflated to prop the at least one bottom plate against the cabinet upwardly until at least one supporting component of the cabinet leaves away from a supporting surface, so as to effectively absorb a shock load during transportation of the cabinet.

The invention discloses a water leakage prevention sealing strip for a cable pit cover plate. The sealing strip mainly comprises a sealing strip base (1) with a T-shaped longitudinal section, and is characterized in that a plurality of layers of symmetrical or asymmetrical waterproof tooth edges (3) are arranged on the two sides of an insertion trunk (2) of the T-shaped sealing strip base (1). The sealing strip has the advantages that 1, a flame-retardant modified fluorosilicone material is elastic, and the waterproof tooth edges (3) are bent into V-shaped security strips, and are tightly attached to the wall of seams (7), so that water leakage and the inflow of foreign matters are prevented in multiple levels, a good sealing effect is achieved, the interior of a pit is kept clean, safety is ensured, and the pit can be inspected and accepted once; 2, the sealing strip is convenient to mount and replace, so that simplicity and convenience in power inspection, maintenance and first-aid repair are ensured; 3, the flame-retardant modified fluorosilicone material is nontoxic, fireproof and flame retardant, and the sealing strip is convenient to construct and reusable, and is an environment-friendly product; and 4, color can be used as a safety sign for the sealing strip, and a good effect is achieved.

The invention provides a water flow power generation water meter. The water flow power generation water meter is composed of an intelligent water meter body, a voltage regulator circuit and a water flow power generation device. When a user uses water, water flow is generated in a water pipe, the water flow drives an impeller to rotate round a shaft, then the impeller and a permanent magnet form a magnetic coupler together, energy is transmitted to the permanent magnet from the impeller, a generator generates current, the current is output to the voltage regulator circuit, and finally the current is used by the intelligent water meter body after entering an energy storage device. The water flow power generation water meter has the advantages that the problem that batteries in traditional intelligent water meters need to be replaced is solved, it is not needed to perform mains supply transformation on water meters of all households, and remote meter reading is truly achieved.

The present invention relates to a mobile telephone number based device for providing virtual electronic mailbox service. It is characterized by that it includes a virtual electronic mailbox server, namely Email STP communication equipment respectively interconnected with data interconnected network, mobile business unit internal data network and mobile communication network, the described Email STP communication equipment can be interconnected with short message gateway and short message centre by means of mobile business unit internal data network, interconnected with mobile telephone user by means of mobile communication network and connected with interconnected net computer user by means of data interconnected network, namely Internet. Said invention also provides the functions of Email STP communication equipment.

The invention discloses HUD stray light test equipment, and belongs to the field of test equipment. The HUD stray light test equipment includes an observation eye box bracket 8, an observation eye boxframe 9 mounted on a steering wheel, and a light source position adjustment mechanism arranged in front of a car, and the light source position adjustment mechanism realizes movement of a light source 16 at any points within a certain range in front of the car to simulate the movement track of the sun in a day. According to the professional stray light test equipment, through combination of translation and rotation, the three primary color light source is used for simulating the movement track of the sun in a day, and each angle can be guaranteed to be fully detected; the test process is completely carried out in a dark room, and is not affected by the external environment, separate testing at different times is not required, the period is short, and the efficiency is high; by adjusting the position of the light source for testing, testers can detect in the observation eye box frame 9 without dead angle, and observation of most drivers can be simulated; and a HUD assembly can be tested on a sample car before loading, manufactured products are ensured to be qualified, replacement problems after real car assembling are solved, and costs are lowered.

The present invention relates to a device and a method for exchanging endless tires or corresponding parts in a paper / board machine or polishing machine, which must include at least one ring of the tire. The device includes at least one support mechanism extending transversely across the machine to define a receiving mechanism mounted on the frame mechanism of the machine inside the tire loop. The support mechanism is assembled to the receiving mechanism and can be pulled inward or outward to the desired position to change the tire while the machine is running. The end region of the support means is provided with at least one switching position, the frame means inside the rim of the tire can be moved away from at least one side of said frame means by means of the power conduction of the switching points mounted on the support means, the support means is removed from the receiving device The tire is stretched out to be in the extended state in the transverse direction of the machine and the tire ring is directly or indirectly wrapped around it, and then the tire is removed from the machine or installed on the machine by a corresponding device.

The invention discloses a meter code character wheel device. The meter code character wheel device in a scheme comprises number character wheels and code character wheels; the code character wheels are connected with the number character wheels by transmissions; and an observation window is arranged on one side of each code character wheel and one side of the corresponding number character wheel. The meter code character wheel device in another scheme comprises number character wheels and code character wheels; the code character wheels cling to the number character wheels, and then are mounted on number character wheel transmission shafts; and observation windows are arranged on two sides of each number character wheel. A direct reading module is further arranged on the outer side of the observation window on one side of each code character wheel of the meter code character wheel device in each scheme and is used for reading code patterns of the code character wheel. The meter code character wheel device has the advantages that twenty groups of code patterns are distributed on cylindrical surfaces of the code character wheels of the meter code character wheel device in each scheme, during meter reading, the direct reading modules scan the code patterns and process the code patterns to obtain binary direct reading codes, and decoders in the direct reading modules correct errors of the direct reading codes of the adjacent high-order character wheels according to the direct reading codes of low-order character wheels in comparison with a corresponding high-order character wheel error-correcting code book, so that the problem of misreading during transition of adjacent numbers or linkage carry of two adjacent character wheels is solved.

The invention discloses an automatic wire feeding device for additive manufacturing and a using method thereof. The device arranges a wire feeding device and an additive manufacturing device in two independent cabins, the internal atmospheres of the two cabins are independent and sealed, the two cabins can be independently vacuumized or cleaned, so that when the wire feeding device is used for replacing the welding wires many times, the atmosphere of the additive manufacturing at the cabin body does not need to be damaged, and the quality of the product manufactured by the additive is influenced. According to the device, the problem of unsmooth wire feeding and the problem of the wire replacement of the welding wire under the condition that atmosphere protection are not damaged are effectively solved, the economic cost is reduced; the welding wire and the additive manufacturing method are high in flexibility and high in operability, the wire feeding efficiency and the automation degreein the by-shaft wire feeding process are effectively improved; meanwhile, the wire feeding terminal is used for feeding the wire through the wire feeding tube and the wire feeding nozzle and is a straight pipe wire feeding mode and has a straightening function on a welding wire.

The invention discloses a replaceable mounting and connection device facilitating positioning and mounting of a large flexible collision avoidance fender and used for a pier bearing platform and a construction method of the replaceable mounting and connection device. The mounting and connection device comprises a pre-embedded anchoring system, a bearing platform top face positioning and fixing system and a bearing platform side face fixing and connection system. The pre-embedded anchoring system is connected with the pier bearing platform. The bearing platform top face positioning and fixing system and the bearing platform side face fixing and connection system are connected with the pre-embedded anchoring system. The bearing platform top face positioning and fixing system is located on the top face of the pier bearing platform. The bearing platform side face fixing and connection system is located on the side face of the pier bearing platform. The bearing platform top face positioning and fixing system and the bearing platform side face fixing and connection system are connected with the large flexible collision avoidance fender. The mounting and connection device can effectively solve the problems that it is difficult to mount and position the large flexible collision avoidance fender, later replacement is not convenient, and loosening or disengaging is likely to happen in the operation process of the fender. The invention further discloses the construction method of the replaceable mounting and connection device.