27results about How to "Not corroded" patented technology

The invention discloses a non-aqueous electrolyte additive for Prussian blue and analogues thereof, an electrolyte and a sodium-ion battery, and relates to the technical field of sodium-ion batteries, the non-aqueous electrolyte additive comprises a silane additive, the silane additive comprises a compound with a Si-O structure or / and a compound with a Si-N structure, in the silane additive, the silane additive comprises a compound with a Si-O structure and / or a compound with a Si-N structure, the mass ratio of the compound with the Si-O structure to the compound with the Si-N structure is (10: 0)-(0: 10), the mass percentage content of the electrolyte additive in the electrolyte is 0.5-10%, and compared with a contrast sample without the electrolyte additive, the electrolyte and the sodium ion battery prepared by using the electrolyte additive provided by the invention have the advantages that the charge-discharge rate of the contrast sample is 1C, the charge-discharge rate of the sodium ion battery is greatly improved, and the charge-discharge rate of the sodium ion battery is greatly improved. The first charge-discharge capacity and the cycle performance are obviously improved, and the capacity retention ratio is still 90% or above after 200 cycles.

The invention relates to the technical field of power grids, and discloses a horizontal flywheel energy storage system and a system control method, and the system comprises a flywheel energy storage unit, a first-stage connector, a double-fed motor and a system control unit. The flywheel energy storage unit is rigidly or flexibly connected with a rotor of the doubly-fed motor through the primary connector; a stator of the double-fed motor is electrically connected with an alternating current power grid; the system control unit is electrically connected with the flywheel energy storage unit, the primary connector and the double-feed motor; wherein the flywheel energy storage unit, the primary connector and the doubly-fed motor are all horizontally arranged, and the flywheel energy storage unit adopts vacuum sealing. The flywheel energy storage unit, the first-stage connector and the double-fed motor are all arranged in a horizontal mode, a larger and heavier flywheel rotor can be supported, the rotational inertia of the flywheel rotor is increased, and then the capacity of the horizontal flywheel energy storage system for providing the rotational inertia for an alternating current power grid is improved.

The invention is suitable for the technical field of solder strip preparation, and provides a high-corrosion-resistance low-temperature solder strip and a preparation method thereof.The preparation method comprises the following steps that a photovoltaic solder strip is sequentially subjected to the procedures of forming, annealing and hot tinning, a tin strip is obtained, the tin strip is cooled after being taken out of a tin furnace, when the temperature is reduced to 130-150 DEG C, the surface of the tin strip is evenly coated with coating liquid through a specific tool, and the high-corrosion-resistance low-temperature solder strip is obtained. And rapidly volatilizing the solvent by using the heat of the tin strip and external auxiliary heat to obtain the photovoltaic welding strip with a solid coating film layer. The coating liquid comprises the following raw materials in percentage by mass: 10-20% of rosin, 15-25% of bisphenol A epoxy resin, 0.2-5% of an active agent, 5-10% of a curing agent, 0.05-0.1% of an imidazole accelerant, 0.2-1% of a surfactant, 0.5-2% of other additives and the balance of a solvent. By generating a layer of cured resin film on the surface of the solder strip, the solder strip can be protected from corrosion for a long time, and the welding strength is greatly improved.

The utility model belongs to the technical field of monitoring equipment, and particularly relates to monitoring equipment for safety protection, which comprises a base and a camera shooting mechanism, the camera shooting mechanism comprises a probe protection cover, a camera shooting probe, a probe mounting plate, a probe mounting base and a rotating shaft bottom, and the probe protection cover is fixedly arranged in the camera shooting mechanism. A camera probe is fixedly arranged in the probe protection cover, a probe mounting plate is fixedly arranged at the bottom end of the camera probe, a probe mounting base is fixedly arranged at the bottom end of the probe mounting plate, and a rotating shaft bottom is fixedly arranged at the bottom end of the probe mounting base; during use, an equipment camera in the camera probe can collect images to the image collection module, the image collection module transmits the images to the information storage and transmission module to complete monitoring work, the probe protection cover protects the camera probe from being eroded by rainwater, and the emergency energy supply device provides a sustainable power supply function under the condition of power failure.

The utility model relates to conductive adhesive tape technical field discloses a conductive adhesive tape with antiskid structure, including conductive cloth, the top fixedly connected with first lug of conductive cloth, the top of conductive cloth is provided with adhesive layer, the bottom of conductive cloth is provided with waterproof and breathable membrane. This conductive adhesive tape with antiskid structure is provided with conductive cloth, first lug, second lug and antiskid agent, and first lug and second lug can make the upper and lower ends of conductive cloth uneven, thereby can increase the friction of the upper and lower ends of conductive cloth, the friction of conductive cloth can improve the antiskid performance of conductive cloth, makes conductive cloth antiskid and can prevent conductive cloth from accidentally sliding when using and influences use effect, and antiskid agent can further improve the antiskid performance of conductive cloth surface, solve the problem that the surface of adhesive tape is too smooth, easily slides in the operation process, leads to the problem of inaccurate installation or poor contact.

The invention belongs to the technical field of film covering, and discloses a film covering material for viewing, the film covering material is prepared by mixing the following raw materials in parts by weight: 1-10 parts of PVDF material, 1-10 parts of PTFE material and 1-10 parts of ETFE material, the PVDF material, the PTFE material and the ETFE material are fused, the performance can be kept stable in a wide temperature range through the PVDF material, and the film covering material can be applied to the field of film covering. The glass transition temperature and the melting point are relatively high, the PTFE material has extremely high chemical stability and is hardly corroded by any chemical substance, meanwhile, the PTFE material can keep stable performance in a very wide temperature range and cannot become brittle at an extremely low temperature (about-200 DEG C), and the ETFE material has very strong resistance to ultraviolet radiation and can be used for preparing a high-temperature-resistant material. Obvious aging phenomena, such as yellowing and embrittlement, do not occur under the condition of outdoor long-term exposure, lasting protection and attractive visual effects are provided for buildings, and actual application and operation are facilitated.

The invention discloses a cooling device for efficient heat dissipation of a gearbox, and relates to the technical field of transmission devices. The radiator fan is rotatably mounted in the radiator main frame and is rigidly connected with the fan motor; one side of the cooling fan is provided with a cooling pipeline which is connected with a temperature control valve, and the other side of the cooling fan is provided with a cooling plate; an air inlet of the radiator is provided with an anti-flocculation net, and an air outlet of the radiator is provided with an air duct which is communicated with the cabin; the heat dissipation plates are of an integral aluminum magnesium alloy structure. The cooling pipeline is a double-layer high-elasticity fiber and steel wire winding rubber pipe; the temperature control valve is of a spring pressure type; the anti-flocculation net comprises an aluminum alloy frame and a diamond net; the surface of the radiator is coated with a graphene-containing coating; the ventilating duct and the exhaust hood are made of military silica gel coating glass fiber cloth; the cooling fan and the like form a penetrating type heat exchange core body; a reinforcing lifting lug is arranged on the main frame; the cooling capacity is guaranteed, the operation stability of the gearbox is improved, and the service life is prolonged.

The utility model provides a high-strength zinc-plated magnesium aluminum profile which comprises a magnesium aluminum profile body, a through square through groove is formed in the magnesium aluminum profile body, T-shaped necking grooves are formed in the side walls of the periphery of the magnesium aluminum profile body respectively, and first reinforcing plates are fixedly arranged on the inner walls of the four corners of the square through groove respectively. Cylindrical reinforcing plates are fixedly arranged among the four first reinforcing plates, second reinforcing plates are fixedly arranged between the outer walls of the cylindrical reinforcing plates and the inner walls of the square through grooves, and hexagonal reinforcing plates are arranged on the inner walls of the cylindrical reinforcing plates. An elastic reinforcing plate is arranged in the T-shaped necking groove; the internal structure of the square through groove is changed, so that the problem that in the prior art, a magnesium aluminum profile is of a hollow structure and is prone to deformation in some high-strength pressure environments is solved; the elastic reinforcing plate is arranged, so that the problem that the structural strength is reduced due to the T-shaped necking groove is solved; and a layer of metal zinc is electroplated on the surface, so that the overall corrosion resistance is improved.

This utility model discloses a fiberglass intercepting well, including a well body. Sewage pipes are arranged on the left and right sides of the well body, and a filter screen is installed inside the sewage pipes. A circular block is slidably connected inside the well body. A cleaning ring block is fixedly connected to the upper side of the circular block, and a cross block is fixedly connected to the inner side of the circular block. A circular hole is opened on the upper side of the well body, and a threaded rod is installed inside the circular hole. A toothed column block is threadedly connected to the outer side of the upper end of the threaded rod. A fixing block is fixedly connected to the upper side of the well body. Compared with the prior art, the arrangement of the circular block, cleaning ring block, cross block, threaded rod, toothed column block, fixing block, servo motor, rotating rod, and gear block allows for machine-based cleaning of sludge and impurities instead of manual labor, and avoids the problem of the cleaning ring block being difficult to reset, saving time and effort, and providing convenience and speed.

The invention relates to a semiconductor structure and a preparation method thereof. The preparation method of the semiconductor structure comprises the following steps: providing a first wafer; forming a bonding layer on the front surface of the first wafer; trimming the first wafer on which the bonding layer is formed to form a first step; a bonding layer covers the front surface of the first step; providing a second wafer, and bonding the trimmed first wafer to the surface of the second wafer through the bonding layer to obtain a bonding structure; thinning the first wafer for the first time from the back surface; forming a protective layer; removing the protective layer covering the surface, far away from the second wafer, of the first wafer thinned for the first time; carrying out at least two times of thinning on the first wafer after the first time of thinning; and performing wet etching on the first wafer after at least two times of thinning. The trimming treatment is performed after the bonding layer is formed, so that rapid decrease or height difference of the thickness of the wafer edge dielectric layer is reduced, meanwhile, wafer cracking in the thinning process is avoided, and the yield of the semiconductor structure is improved.

The invention relates to the technical field of new energy automobile brake fluids, and particularly discloses a low-temperature-resistant new energy automobile brake fluid and a preparation method thereof. The low-temperature-resistant new energy automobile brake fluid is prepared from triethylene glycol monomethyl ether, tetraethylene glycol monomethyl ether, tetraethylene glycol monobutyl ether, polyethylene glycol, composite polyethylene glycol monoether borate, polyether polyol, an antioxidant, trimethylolpropane oleate, pentaerythritol tetraethylhexanoate, tributyl phosphate and a pH regulator. The new energy automobile brake fluid has good low temperature resistance, high temperature resistance and corrosion resistance.

This invention belongs to the field of corrosion protection technology, specifically relating to a magnetic nano-corrosion inhibitor, its preparation method, and its application. The magnetic nano-corrosion inhibitor is formulated from Fe3O4@imidazoline nanocomposite material, dispersant, synergist, and water in a predetermined mass ratio. The Fe3O4@imidazoline nanocomposite material is obtained by reacting hydrogen peroxide with an imidazoline-based Fe3O4 precursor, which is obtained by reacting ferric chloride, oleic acid, and ethylenediamine. It is applied to equipment requiring corrosion protection in oil and gas field surface gathering and transportation projects. This corrosion inhibitor can adsorb onto the pipeline surface, increasing the toughness of the protective film, enhancing the adsorption effect of imidazoline, providing long-term protection against pipeline corrosion, exhibiting a significant corrosion inhibition effect, and is low in cost, simple to operate, and produces no secondary pollution.

The utility model relates to the technical field of nasal cavity cleaning equipment, and discloses waterproof nasal cavity cleaning equipment with a display function and capable of preventing liquid medicine from overflowing, and the waterproof nasal cavity cleaning equipment comprises a shell, a bottom cover, a circuit board, a battery, a lens, an air pump, a liquid storage bin, a liquid suction pipe, an upper cover, a drainage cover, a nozzle, a dustproof cover and a one-way valve, the display screen and the circuit board are connected through an FPC, and the lower surface of the circuit board is fixedly connected with an air pump. The starting of the air pump is controlled by the MCU, the display screen is controlled to display information, and the displayed content is displayed through the visual window of the lens. The lens and the shell are fixed through double faced adhesive tape, glue, ultrasonic connection and the like, the display screen can be provided with various functions through keys, such as information of working modes, working time, electric quantity, use times, alarm clock timing and the like, and therefore the equipment has a visual display function, and the purposes of remarkably enhancing user experience and improving information transmission efficiency are achieved.

The utility model discloses a cooling tower circulating water PH value automatic detection control device which comprises a detection device PH value detector used for monitoring the PH value of circulating water in real time; the adjusting device comprises a first chemical storage tank, a second chemical storage tank, an electric control three-way valve and a precise electronic metering pump, and is used for providing acidic substances or alkaline substances for adjusting the pH value of the circulating water; the control device is a PLC electric control box and controls the adjusting device to add needed chemicals to the circulating water system, the dosage of the added chemicals is controlled by controlling the precise electronic metering pump so as to achieve the purpose of controlling the PH value of the circulating water, and the filtering devices are arranged on the water inlet and water return port pipelines of the cooling water tower so as to further control the purity of the circulating water. Impurities are reduced, and the filter element can be replaced regularly. According to the equipment, scale is reduced, meanwhile, corrosion to cooling system terminal equipment due to the fact that the PH value exceeds the standard is avoided, and the service life of the equipment is prolonged.

The utility model relates to the technical field of reaction kettles, in particular to a novel material self-cleaning type reaction kettle. The novel material self-cleaning type reaction kettle comprises a reaction kettle body, a motor, a stirring rod, a connecting rod, a scraping plate, a spraying mechanism and the like, a motor is mounted at the top of the reaction kettle body, an output shaft of the motor is connected with a stirring rod through a coupler, the stirring rod is rotationally connected with the interior of the reaction kettle body, connecting rods are symmetrically mounted on the stirring rod, scrapers are mounted on the connecting rods and are in contact with the interior of the reaction kettle body, and a spraying mechanism is mounted on the stirring rod and the reaction kettle body together. The motor drives the stirring rod to drive the scraping plate to clean the inner wall of the reaction kettle body, the sliding plate enables water to be sprayed to the inner wall of the reaction kettle body from the spray head through the extrusion frame, and the interior of the reaction kettle body can be effectively cleaned so that the reaction kettle body can be repeatedly used.

The utility model relates to square tube connecting piece technical field, specifically speaking is a square tube connecting piece, two shape same size equal shell buckling are formed, the shell is composed of main part and insertion end, the lower shell insertion end of square tube connecting piece is equipped with nut seat, be equipped with nut on the nut seat, the nut is equipped with bolt in screw thread connection, the insertion end of upper shell is equipped with the aperture of corresponding size with bolt, and the square tube connecting piece is composed of main part and insertion end, and one connecting piece is formed through two pieces of connecting shell that can expand outward, can quickly insert the connecting piece into the inside of two square tubes adjacent vertically, realizes the quick connection of square tube through the bolt control two connecting shell expansion, guarantees the flatness of square tube upper and lower, is convenient to dismantle, and good flexibility.

The utility model discloses a heat preservation sleeve for an air conditioner, and belongs to the technical field of heat preservation sleeves. The heat preservation sleeve for the air conditioner comprises a sponge heat preservation barrel, a damp-proof assembly is arranged on the periphery of the sponge heat preservation barrel, an upper protection shell is arranged above the periphery of the sponge heat preservation barrel, a lower protection shell is arranged below the periphery of the sponge heat preservation barrel, and fixing assemblies are arranged on the two sides of the upper protection shell and the two sides of the lower protection shell correspondingly; the moisture-proof assembly comprises an aluminum foil moisture-proof film located on the periphery of the sponge heat preservation cylinder, a mesh is pasted to the inner wall of the aluminum foil moisture-proof film, the sponge heat preservation cylinder can be directly arranged on the air conditioner pipeline in a sleeving mode through a clamping groove in the sponge heat preservation cylinder, the excessive non-cohesive gel is pasted to the aluminum foil moisture-proof film in cooperation with the excessive non-cohesive gel and the adhesive paper, and therefore the air conditioner pipeline can be prevented from being damaged. The clamping groove is effectively sealed, the sponge heat preservation barrel can be fastened, water vapor can be blocked and prevented from permeating into the heat preservation barrel through the aluminum foil damp-proof film, heat preservation materials are prevented from being affected with damp and losing efficacy, a pipeline is protected against condensate water erosion, installation is easy, and operation is convenient.

The utility model relates to the technical field of charging piles, in particular to a charging pile payment device. The device aims at solving the problems that an outdoor charging pile operation screen is prone to being affected by the environment and damaged, and an existing baffle structure is incomplete in protection and inconvenient to operate. The device comprises a charging pile control box body and an operation screen embedded in the charging pile control box body, side plates are fixed to the two sides of the operation screen, and a baffle used for shielding the operation screen is hinged between the side plates. The top of the baffle is connected with the box body through a waterproof elastic band, and the elastic band always covers the hinged gap to play a waterproof role when the baffle is opened and closed and provides auxiliary pulling force for opening of the baffle at the same time. A clamping plate with a clamping groove is arranged on the inner side of the baffle, a clamping column pushed by a spring is arranged in the side plate, and automatic locking can be achieved when the baffle is closed. And the side plate is also provided with an elastic sheet which can buffer the movement of the baffle plate during unlocking, so that sudden bounce is avoided. The device can effectively protect the operation screen from being exposed to the sun and rain, and can guarantee the convenience and safety of payment operation.

The invention relates to a heteronuclear composite zinc negative electrode material based on in-situ construction of a zeolite imidazate skeleton, and a preparation method and application thereof. The composite zinc negative electrode material takes a zinc-based material as a carrier, and a zeolite imidazate skeleton interface layer taking various different transition metals as centers is constructed on the surface in situ. The zeolite imidazate framework interface layer is formed by mutually connecting a plurality of different transition metals and organic ligands through self-assembly, the transition metals are taken as the center, the organic ligands and the transition metals are bridged, and the zeolite imidazate framework interface layer is made of a crystalline porous material. And immersing the zinc-based material into a mixed solution of the transition metal salt solution and the organic ligand solution, oscillating, washing and drying to obtain the composite zinc negative electrode material. Compared with the prior art, the preparation method has the advantages of good interface compatibility, good electrochemical stability, excellent electrochemical performance and the like.

The invention relates to the technical field of soft soil treatment, and discloses a curing agent for coastal soft soil and a manufacturing process of the curing agent. The process comprises the following steps: carrying out coarse and fine grading pretreatment on the furnace bottom slag, carrying out acid activation treatment on the zeolite powder, carrying out surface modification treatment on the basalt fiber, preparing a component A delayed coagulation curing agent, preparing a component B coagulation accelerating curing agent, and compounding the two components in proportion for use. The curing speed can be adjusted within 15-90 minutes by compounding the component A and the component B according to different mass proportions, and a double-phase structure of a rigid framework and a gelling matrix is formed by the surface modified basalt fibers and graded furnace bottom slag coarse particles. The rheological property of slurry is adjusted through selective ion adsorption of acid activated zeolite powder and molecular chain extension of hydroxypropyl methyl cellulose, and the technical problems that a coastal soft soil curing agent is large in brittleness, poor in construction adaptability, non-adjustable in curing speed and low in synergistic utilization rate of various solid wastes are solved.

The utility model discloses a concrete cast-in-place pile head steel bar anti-corrosion structure, which belongs to the field of constructional engineering and comprises a pile body, a plurality of pile longitudinal bars are annularly arranged on the surface of the top of the pile body and close to the peripheral side, and stirrups are sleeved above the pile body and located on the outer sides of the pile longitudinal bars. The stirrups are connected with the pile longitudinal bars in a binding mode through iron wires, external threads are arranged at the positions, close to the top ends, of the two symmetrical pile longitudinal bars in a threading mode, the two pile longitudinal bars provided with the external threads in the threading mode are both in threaded connection with conductive assemblies, and the conductive assemblies are used for transmitting electricity to the pile longitudinal bars. The anti-corrosion device for the concrete cast-in-place pile head reinforcing steel bar is simple in structure, convenient to operate, low in anti-corrosion cost and capable of effectively protecting the concrete cast-in-place pile head reinforcing steel bar from being corroded, and the anti-corrosion device for the concrete cast-in-place pile head reinforcing steel bar is simple in structure, convenient to operate and low in anti-corrosion cost.

The utility model discloses an anti-glue-splashing gluing mechanism, and belongs to the technical field of medical infusion apparatuses. The drip chamber solves the problems that in the prior art, when a traditional drip chamber port is glued, after a liquid medicine filtering membrane is polluted by glue, the integrity of the performance of the liquid medicine filtering membrane is affected, and even glue points are splashed to the inner wall of the drip chamber, so that the reject ratio of products is increased. The main body structure comprises a gluing head and a glue blocking cap used for blocking glue drops from splashing, the gluing head is provided with a glue storage groove and a glue discharging hole used for discharging residual glue in the gluing head, the center of the gluing head is provided with an internal thread, and the bottom of the glue blocking cap is provided with an external thread in threaded connection with the internal thread. And the height of the glue blocking cap and the gluing head can be adjusted through the internal thread and the external thread. The automatic liquid-stopping type infusion apparatus is mainly used for the drip chamber welding film.

The present application relates to the technical field of aqueous manganese ion energy storage, and particularly relates to a preparation method of an aqueous manganese ion energy storage device capable of temperature difference charging, and the preparation steps comprise the following steps: S1, mixing a manganese triflate solution and a manganese perchlorate solution to obtain an electrolyte; S2, mixing bismuth telluride, acetylene black and polyvinylidene fluoride to prepare a slurry, coating the slurry on cut graphite paper, and drying to obtain a bismuth telluride positive electrode; S3, ultrasonicating and drying a metal foil to obtain a negative electrode; and S4, assembling the electrolyte, the positive electrode and the negative electrode to obtain the energy storage device. The present application improves the cycle stability of the positive electrode of the manganese ion energy storage device, enables the manganese ion energy storage device to have high reversible specific capacity and long cycle life, and exhibits excellent electrochemical performance.

The utility model discloses a kind of electric power cable with anti-insect bite structure, it is related to electric power cable technical field.The utility model includes outer sheath, the inner wall of outer sheath is fixedly connected with protective layer, the inner wall of protective layer is fixedly connected with wire core layer, the surface of outer sheath one side is equipped with anti-insect component, and the anti-insect component includes protective sleeve.The utility model fills anti-insect agent between the cavity between protective sleeve in anti-insect component and inner lining layer, can continuously release insect repellent component, effectively drives the insect approaching cable, simultaneously, the sawtooth strip on the surface of protective sleeve changes the physical structure of cable surface, so that insect is difficult to climb and adhere, further enhances the anti-insect effect, polyethylene agent layer in protective layer contains insect repellent component, can provide anti-insect protection from inner layer, and diatomite adsorption layer can adsorb the agent volatilized by polyethylene agent layer, prolongs agent action time, enhances the durability of anti-insect.

The utility model discloses an outdoor rainproof security entrance guard which comprises a base, the upper surface of the base is fixedly connected with a clamping plate, the upper surface of the clamping plate is fixedly connected with an entrance guard control panel, the upper surface of the entrance guard control panel is fixedly connected with a control button, the upper surface of the entrance guard control panel is provided with a card swiping slot, and the card swiping slot is provided with a card swiping slot. Side plates and a switch device are fixedly connected to the two sides of the base, the switch device comprises a sliding rod, a first spring, a connecting rod, a clamping block, a sliding block, an extrusion block, a pressing rod, a positioning piece, a second spring, an opening and closing button and a sealing device, and the sealing device comprises a rotating shaft, a semicircular rainproof shell, a limiting ring, a sleeve, a torsional spring and a plug pin. A protective shell capable of being opened and closed can be formed outside the entrance guard, manual opening and closing can be achieved in severe weather such as rain and snow, the entrance guard is prevented from being eroded by rain and snow, opening and closing are convenient, operation is easy, and high practicability is achieved.

The invention discloses a temperature controller, a control method thereof and temperature control equipment. A shell of the temperature controller is provided with a detection window, and a movable baffle is arranged at the position of the detection window and used for adjusting the size of an opening of the detection window. A temperature and humidity sensor, an air velocity sensor and a main control chip are arranged in the temperature controller, and the temperature and humidity sensor and the air velocity sensor are arranged close to the detection window. According to the invention, the size of the detection window of the temperature controller can be adjusted and controlled according to the movable baffle plate, when the temperature controller is not powered on, the baffle plate is closed, and when the temperature controller is normally powered on, the baffle plate is opened and closed according to the internal heating condition of the temperature controller, the outdoor temperature and the air velocity condition, so that heat dissipation, heat preservation or moisture prevention are facilitated; the detection accuracy of the temperature and humidity sensor of the temperature controller is improved, the temperature controller is protected from being corroded by moisture, and the product quality is ensured.

The utility model relates to MPP cable protection tube storage technical field, specifically disclose a kind of placing device of MPP cable protection tube, including multiple upper and lower distribution's support plate, the front and rear ends of multiple support plate are commonly provided with telescopic mechanism, the telescopic mechanism includes the X folding frame between the setting of adjacent two support plates, the upper end surface of the support plate located in upper is fixedly connected with vertical plate, the outer wall of vertical plate and multiple X folding frame is rotatably connected with support shaft, through the telescopic mechanism of X folding frame and electric push rod linkage, the automatic adjustment of support plate spacing is realized, can flexibly adapt to the MPP protection pipe stacking demand of different height, greatly improve the storage density of unit space, compared with traditional single-layer storage mode, improve storage capacity, rain cloth can be quickly unfolded, cooperate with rain baffle to form double-layer waterproof barrier, ensure that MPP protection pipe is not eroded by rain when storing outdoors, avoid the performance decline of pipe material due to damp.