52results about How to "Improve temperature adaptability" patented technology

The invention relates to a double-flexible-support pendulum type all-quartz resonant accelerometer and an assembly method thereof, the accelerometer comprises a sensitive mass block structure composed of a mass block, mass block flexible supports and stress isolation areas, an upper resonant beam is connected above the mass block, and a lower resonant beam is connected below the mass block; a lower limiting plate is connected below the sensitive mass block structure, and the lower part of the lower limiting plate is connected to the mounting base; an upper limiting plate and a lower limiting plate are connected above the sensitive mass block structure, and the sensitive mass block structure and the upper limiting plate penetrate through the positioning binding post; the outer sides of the lower limiting plate, the sensitive mass block structure and the upper limiting plate are provided with a shell, and the shell is connected to the mounting base; the upper resonant beam and the lower resonant beam are electrically connected with a resonant circuit in the mounting base through positioning binding posts, and signals are transmitted to the resonant circuit; according to the invention, the environmental adaptability of the accelerometer is improved, the temperature characteristic of the accelerometer is reduced, the volume of the accelerometer is reduced, and the accelerometer adapts to the miniaturization and high-precision development trend of an inertial navigation system.

The invention discloses a laccase mutant and application of the laccase mutant in preparation of polyflavone by oxidative conversion of daidzein. According to the invention, laccase Lcc5 of coprinus cinerea is used as a starting enzyme, and through molecular docking, a position structure is analyzed, and mutation is designed. Synthesizing a mutant gene, and constructing a recombinant expression engineering bacterium of the mutant gene. After engineering bacteria containing mutant genes are subjected to induced expression, the Lcc5 mutant Lcc5-T485E is obtained through separation and purification, the specific enzyme activity and ethanol tolerance of the mutant are improved, and the conversion rate of daidzein is increased to about 1.26 times under the same enzyme activity; the antioxidant activity, the enzyme inhibition activity and the antibacterial activity of the obtained conversion product are also remarkably improved. The mutant enzyme has potential application value in oxidative conversion of daidzein and improvement of biological value of daidzein.

The invention belongs to the technical field of high polymer materials, and particularly relates to a low-viscosity self-adhesion protective film and a preparation method thereof. The protective film comprises an outer contact layer, a support layer and a self-adhesive adhesion layer. The outer contact layer is made of a modified elastomer material; the supporting layer is made of a modified polyolefin material; the self-adhesive layer is a modified acrylate hot-melt pressure-sensitive adhesive and comprises an acrylate monomer, a reversible cross-linking agent, a plasticizer, an initiator, a hindered phenol antioxidant, a hindered amine light stabilizer and a reaction control aid; the acrylate monomers comprise butyl acrylate, isobornyl methacrylate and hydroxyethyl acrylate, the reversible cross-linking agent is bis (2-methallyl) ethyoxyl disulfide, the plasticizer is a polyurethane elastomer, and the hindered phenol antioxidant is an antioxidant 1010; the hindered amine light stabilizer is a light stabilizer 770, the reaction control aid is diethyl hydroxylamine, and the initiator is di-tert-butyl peroxide.

The utility model relates to the technical field of stock bin components, and provides a stock bin unblocking system with high temperature adaptability, which comprises an unblocking gas supply source, an unblocking gas working pipeline and a gas unblocking jetting device, one end of the unblocking gas working pipeline is connected with the unblocking gas supply source, the gas unblocking jetting device is connected to the unblocking gas working pipeline, and the other end of the unblocking gas working pipeline is connected with the unblocking gas supply source. The gas unblocking jetting device is provided with a jetting end communicated to the interior of the stock bin, and one section of the unblocking gas working pipeline is a first pipe section; one end of the hot air conveying pipeline is connected with the hot air supply source, the other end of the hot air conveying pipeline communicates with the interior of the stock bin, one section of the hot air conveying pipeline is a second pipe section, and the first pipe section and the second pipe section are adjacently arranged side by side; the first pipe section and the second pipe section are contained in the heat preservation sleeve, and the stock bin unblocking system can conduct effective and efficient unblocking operation in the cold and low-temperature environment.

The present invention relates to a chlorobenzene degrading bacterium and its application in contaminated site remediation, the degrading bacterium is Pandoraea, named Pandoraea sp.XJJ‑1, preserved in China Center for Type Culture Collection, deposit number is CCTCC NO: M 2021057, the screening method includes taking a contaminated soil sample in a closed serum bottle, obtained after acclimation, separation and purification; XJJ‑1 bacteria can completely degrade 100mg / L of chlorobenzene within 11h, and non-toxic intermediates are metabolically accumulated; the bacteria can tolerate and degrade up to 600mg / L of chlorobenzene and the bacteria have a wide growth temperature range (10°C‑37°C), especially under 10‑15°C low temperature conditions, chlorobenzene can still be efficiently degraded; at the same time, the bacteria can efficiently degrade benzene series such as benzene, toluene, ethylbenzene, and has a wide range of degradation substrate characteristics. Pandoraea sp.XJJ‑1 has a variety of pollutants such as chlorobenzene that can be efficiently and completely degraded at low temperatures, and can play an important role in the remediation of contaminated soil and groundwater such as pesticides and chemicals and in the comprehensive management of sites of polluting enterprises.

The invention belongs to the technical field of chemistry, and particularly relates to a water-based stable transdermal preparation based on a structural nanoemulsion and a preparation method of the water-based stable transdermal preparation. 1% to 10% of a polyether block copolymer; 5%-20% of a co-emulsion; 0.1% to 15% of an active ingredient; and the balance of deionized water. Through a compounding system of an amino acid surfactant and a gemini surfactant and in combination with the synergistic effect of a specific polyether block copolymer, a nanoemulsion drug delivery system with a stable structure is constructed. Through a compound system of the amino acid surfactant and the gemini surfactant and by combining the synergistic effect of the polyether block copolymer, a nano-emulsion drug delivery system with a stable structure is constructed, and the nano-emulsion drug delivery system has good long-term storage stability and temperature adaptability, is not easy to layer and is uniform in particle size distribution.

The invention provides a fiber-optic gyroscope light source temperature control system and method. The system comprises a temperature acquisition module used for acquiring the light source working temperature of the fiber-optic gyroscope; the nonvolatile storage unit is used for storing a temperature control voltage calculation coefficient and a constant current control voltage calculation coefficient; the temperature control voltage calculation module is used for determining a temperature control voltage digital quantity according to the light source working temperature and the temperature control voltage calculation coefficient; the constant-current voltage calculation module is used for determining a constant-current voltage digital quantity according to the working temperature of the light source and the constant-current control voltage calculation coefficient; the dual-channel D / A conversion module is used for converting the digital quantity of the temperature control voltage into a temperature control preset voltage and converting the digital quantity of the constant-current voltage into a constant-current voltage; the temperature control module is used for setting a temperature control preset temperature according to the temperature control preset voltage and controlling a refrigerator in the light source so as to adjust the working temperature of the light source to the temperature control preset temperature; and the constant-current circuit control module is used for adjusting the driving voltage of a constant-current circuit in the light source into constant-current voltage. On the basis of the system, the working temperature range of the fiber-optic gyroscope can be obviously increased by combining the method.

The invention relates to the technical field of electrolyte battery performance monitoring, in particular to an ultra-high-temperature electrolyte battery performance monitoring system, which comprises a battery division module, a constant-temperature battery pack and a variable-temperature battery pack, the temperature division module is provided with a plurality of test temperature points; the constant-temperature test module performs constant-temperature charging and discharging test and records constant-temperature battery parameters; the constant-temperature analysis module is used for analyzing the plurality of constant-temperature battery parameters, determining the actual anomaly degree, and obtaining and adjusting the constant-temperature battery parameters and determining the constant-temperature performance based on a comparison result with a preset anomaly degree interval, or determining that the constant-temperature performance of the electrolyte battery is poor; a temperature change test module draws a temperature rise parameter change curve and a temperature drop parameter change curve; the temperature change analysis module determines the temperature rise stability and the temperature drop stability, adjusts a preset temperature interval when abnormity occurs, and determines the temperature change performance of the electrolyte battery; and the performance evaluation module determines the comprehensive performance of the electrolyte battery. According to the invention, the accuracy of the performance evaluation result of the electrolyte battery at high temperature is improved.

The invention relates to the technical field of textile equipment, in particular to a waste heat recovery type textile fabric setting machine which comprises a processing table, a heating fan, a first exhaust fan, a water storage tank, a filter tank and a water storage tank, a humidifying box and a drying box are arranged on the processing table, conveying rollers are arranged in the humidifying box and the drying box, and the water storage tank is arranged on the outer side of the humidifying box; a branch pipe and an atomizing nozzle are arranged in the humidifying box, a guide pipe is arranged in the drying box, a branch pipe is connected to the guide pipe, a vertical plate is fixed to the tail end of the branch pipe, and an air outlet nozzle is arranged on the branch pipe; the device has the beneficial effects that on one hand, heat of hot air after drying operation is utilized, cold water is heated through the heat of the hot air, the cold water is heated to be warm water, then the warm water is sprayed to fabric before drying operation, the temperature adaptability of the fabric is improved, the fabric is evenly heated, and the texture and the overall quality of the fabric after shaping are improved; and through arrangement of the filter box, hot air is filtered, and environment pollution caused by direct emission is avoided.

The utility model discloses a laser fiber coupling adjusting device comprising a support, and the center of the support is provided with a through hole; the light-emitting unit is used for emitting laser; the light-emitting unit is embedded into one end of the through hole; the end part of one side of the optical fiber mounting body is of a columnar structure; the adjusting assembly comprises an adapter ring and a hollow metal ball; the adapter ring is in sliding fit with one end face of the support. The hollow metal ball is used for being in running fit with the adapter ring; the end part of the optical fiber mounting body is inserted into the columnar space in the hollow metal ball, and the optical fiber mounting body is arranged in the columnar space in a sliding manner. According to the device, the adjustable degree of freedom can be effectively increased, alignment adjustment between the optical fiber and laser can be achieved, after position adjustment is determined, the adjusting assemblies are fixedly connected in a welding mode, the displacement situation before and after curing can be effectively improved, the product stability is effectively improved, and the product temperature adaptability is greatly improved.

The utility model relates to the technical field of resistors, in particular to an electronic equipment resistor suitable for a wide temperature range. The resistor comprises a resistor body, supporting assemblies are movably connected to the positions, close to the two ends, of the bottom of the resistor body, and protection assemblies are arranged between the outer wall of the resistor body and the two supporting assemblies. Through collaborative design of the protection assembly and the supporting assembly, the reliability problem of a traditional winding resistor in a wide-temperature and vibration environment is solved. The protection assembly adopts an alloy spiral ring to wind a resistor body, a gap is reserved to buffer thermal expansion and cold contraction, and material oxidation and resistance drift are inhibited; the spiral structure and the gap form an elastic buffer space, vibration energy is absorbed, and welding spot stress concentration is avoided. The supporting assembly is movably connected with the bottom of the body through an L-shaped honeycomb supporting plate, disperses vibration stress, adapts to size changes and is in flexible connection with the end in cooperation with fine adjustment of screws, and structural stability is guaranteed.

The invention relates to a bacillus sp. Strain for producing a lipopeptide surfactant and application thereof, the bacillus sp. Strain is named as R3-1, and is preserved in the China General Microbiological Culture Collection Center on May 16, 2024, and the preservation number is CGMCC No.30660. The invention further discloses a preparation method of the bacillus sp. Strain for producing the lipopeptide surfactant and application of the bacillus sp. Strain for producing the lipopeptide surfactant. The lipopeptide surfactant produced by culturing and fermenting the cyst bacillus strain R3-1 comprises a surfactin and a progen. Compared with the prior art, the bacillus sp. Strain disclosed by the invention can simultaneously generate two lipopeptide surfactants, is strong in acid and alkali resistance, salt resistance and temperature adaptability, has a relatively good emulsifying effect on various hydrocarbon substances, and also has relatively good emulsifying capacity at relatively low concentration. Therefore, the method has great application potential in the aspects of oil exploitation and environmental pollution treatment caused by oil sludge.

The invention discloses a low-temperature-resistant hericium erinaceus strain rich in triterpenes and proteins and a cultivation method of the low-temperature-resistant hericium erinaceus strain, relates to the field of biology, and aims to solve the problems that in the prior art, a hericium erinaceus variety which is high in protein yield, high in triterpenes yield, resistant to low temperature and good in commodity is lacked, and an existing cultivation management mode is difficult to meet the high-yield and income increasing effects. The invention provides hericium erinaceus QAHT-2 which is preserved in the China General Microbiological Culture Collection Center on January 3, 2023, the preservation address is No.3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC No.40372. The invention further provides a preparation method of the hericium erinaceus QAHT-2. The hericium erinaceus QAHT-2 has the advantages that the hericium erinaceus QAHT-2 can be used for preparing the hericium erinaceus QAHT-2; the hericium erinaceus strain QAHT-2 is obtained through separation and domestication, and hyphae of the hericium erinaceus strain QAHT-2 grow fast and are robust; the low-temperature environment adaptability is high, fruiting can be achieved at the temperature of 10-25 DEG C, and fruiting bodies still present snow white in the low-temperature environment. The fruiting body of the hericium erinaceus strain provided by the invention has higher protein content and higher triterpenoid content, and has higher edible and medicinal values.

The present invention provides a Death Valley Bacillus SSB-10 and its application, which belongs to the field of microorganisms and biological control technology. Death Valley Bacillus SSB-10 has been deposited in the China Center for Type Culture Collection on July 8, 2022, with a deposit number of CCTCC NO: M20221063. The antibacterial substance produced by the SSB-10 strain has a significant inhibitory effect on the activity of Ralstonia solanacearum, and can be used to prevent and treat plant bacterial wilt caused by Ralstonia solanacearum. The SSB-10 strain is used to prevent and treat tobacco bacterial wilt, and the prevention effect reaches 70%.

The present invention relates to the technical field of liquid desulfurization slag remover, and specifically discloses a high-efficiency liquid desulfurization slag remover, wherein the raw materials include by mass: 5-15 parts of limestone powder, 0.1-1 parts of catalyst, 20-25 parts of oleic acid, 1-3 parts of sodium hydroxide, 0.1-1 parts of yttrium chloride, 0.0403-0.1550 parts of sodium fluoride, 0.0131-0.3830 parts of sodium dichromate, 1-3 parts of ethylenediamine, 2-5 parts of methyl acrylate, 5-15 parts of sodium tripolyphosphate, and 20-35 parts of sodium chlorite. The present invention also discloses a preparation method of the above-mentioned high-efficiency liquid desulfurization slag remover. The present invention has no odor, no irritating smell, and no polluting components to the body and the environment; it is not easy to block the nozzle, and it can not only effectively remove the slag body in the softened dust in the smoke, prevent coking, effectively reduce energy consumption and cost, and significantly improve the efficiency of the entire desulfurization system.

The present invention provides a wide-temperature frequency doubling conversion method based on quasi-phase matching, comprising a periodically polarized crystal, in which the phase mismatch in the nonlinear optical crystal is approximately linearly related to the crystal temperature, and the second-order partial derivative of the phase mismatch with respect to temperature is much greater than the first-order partial derivative. By reasonably designing the cutting angle and polarization period of the nonlinear optical crystal, the quasi-phase matching condition is met and the first-order partial derivative of the phase mismatch with respect to temperature is zero, so that the frequency conversion efficiency is basically not affected by the change in crystal temperature. By changing the cutting angle of the traditional polarized crystal, the nonlinear optical frequency conversion maintains a higher conversion efficiency in a wider temperature range, and the temperature adaptability and stability of the nonlinear optical frequency conversion crystal device are improved. The present invention does not require temperature control equipment, so that the structure of the nonlinear optical frequency conversion crystal device is simpler and more compact, while reducing device energy consumption, reducing device cost, and improving device performance.

An optimization method for site selection and sizing of electric bus charging stations, which belongs to the technical field of electric bus charging station planning and operation. The present invention solves the problem of poor temperature adaptability of existing electric bus charging station site selection and sizing optimization methods. The present invention provides a two-stage optimization method for site selection and sizing of electric bus charging stations in low-temperature environments in cold regions, constructs a progressive coverage site selection model for charging stations in cold regions to determine the optimal site selection location for charging stations, and based on the charging station site selection results, establishes a charging station sizing planning model to determine the capacity setting plan for each charging station. Since the two-stage optimization method for site selection and sizing of the present invention is still applicable in low-temperature environments in cold regions, the temperature adaptability of the method is improved. The method of the present invention can be applied to site selection and sizing optimization of electric bus charging stations.

The invention provides an ultra-wide-angle free-form surface catadioptric image space telecentric lens, a design method thereof and an imaging system, which are used for solving the technical problem that an existing ultra-wide-angle lens is generally a transmission-type lens and is difficult to observe plasmas in an environment with a relatively large temperature difference. According to the ultra-wide-angle free-form surface catadioptric image space telecentric lens, the high-temperature environment during observation of plasmas in a Tokamak device is fully considered, the reflection light path is innovatively added, the lens is divided into the aperture diaphragm, the reflection light path and the transmission light path, the aperture diaphragm and the reflection light path are made of metal materials, and the transmission light path is made of metal materials. The device is arranged in a high-temperature vacuum chamber between a first observation window and a second observation window of a Tokamak device, and each lens in a transmission light path is made of a traditional lens material and is arranged in an external room-temperature environment. The whole ultra-wide-angle free-form surface catadioptric image space telecentric lens can stably observe plasma when the Tokamak device works.

The present invention discloses a DBC ceramic substrate with stress relaxation, a thermoelectric device and a preparation method thereof, wherein the DBC ceramic substrate comprises a directly bonded copper substrate, a multi-walled carbon nanotube and a copper film, wherein the directly bonded copper substrate comprises a copper strip and a ceramic plate, wherein the copper strip is fixed on the ceramic plate, wherein a plurality of holes are provided on the surface of the copper strip, wherein the holes comprise submicron holes and / or nano holes, wherein the multi-walled carbon nanotube is printed on the surface of the copper strip to form a multi-walled carbon nanotube layer, and wherein the copper film is plated on the multi-walled carbon nanotube layer. The DBC ceramic substrate, the thermoelectric device and the preparation method thereof provided by the present invention can greatly relax the thermal stress generated by temperature change and distribution, thereby improving the power generation efficiency and temperature adaptability of the thermoelectric device and extending the service life of the thermoelectric device.

The oiling mechanism comprises a machine base, a first sliding base and a second sliding base which can transversely move relative to the machine base are connected to the machine base, a first driving device capable of pushing the first sliding base to move is arranged between the first sliding base and the machine base, and a second driving device capable of pushing the second sliding base to move is arranged between the second sliding base and the machine base. A plurality of first oiling assemblies are arranged on the first sliding seat, and second oiling assemblies corresponding to the first oiling assemblies are arranged on the second sliding seat, so that when the first sliding seat and the second sliding seat move in opposite directions, the first oiling assemblies and the second oiling assemblies can get close to each other or get away from each other; a first oiling piece is arranged on the side, close to the second oiling assembly, of the first oiling assembly, a second oiling piece is arranged on the side, close to the first oiling assembly, of the second oiling assembly, and when the first oiling assembly and the second oiling assembly draw close to each other, the first oiling piece and the second oiling piece draw close to each other to clamp the rod piece. The structure is uniform in oiling, and the efficiency is improved.

The low-temperature environment coil device field detection method belongs to the technical field of power equipment state monitoring and fault diagnosis, and solves the problems of invalidation of traditional detection methods, high misjudgment rate and difficulty of stable work of field instruments caused by nonlinear change of material characteristics of coil devices under extremely low temperature conditions. The low-temperature environment coil device field detection method comprises the following steps: under the environment temperature ℃, a wide-frequency pulse excitation is input to the coil device, and the instantaneous voltage, the instantaneous current and the surface temperature of the coil are synchronously collected; according to the collected data, the thermal disturbance energy quantum and the low-temperature self-healing impedance are calculated, the two characteristics are fused to generate the temperature health degree fingerprint dimensionless characteristic, and the temperature health degree fingerprint dimensionless characteristic is compared with the upper and lower thresholds of the low-temperature golden interval of the same type of device to determine whether the coil device has the turn-to-turn short circuit or the abnormal high thermal resistance fault of the joint.

The invention belongs to the technical field of accelerometers, and provides a quartz flexible accelerometer pendulum assembly capable of reducing coil thermal strain, which comprises a quartz pendulum sheet and a coil skeleton, the coil skeleton is in the shape of a circumferentially symmetrical cylinder, and an expansion joint is arranged on a pendulum tongue of the quartz pendulum sheet. The coil framework structure is designed into a cylindrical shape with symmetrical circumference, so that the constraint of the original coil framework base on the deformation of the winding is avoided, and meanwhile, the cylindricity of the winding in a high-temperature environment is effectively improved. The expansion joint is arranged on the pendulum tongue of the quartz pendulum sheet, so that the thermal stress of the winding can be reduced, and the constraint on the winding is further relaxed. The simulation design verifies that the stability of the coil structure is improved, the scale factor temperature coefficient generated by the thermal strain of the coil can be reduced, and the quartz flexible accelerometer pendulum assembly has important engineering application value for improving the temperature adaptability of a quartz flexible accelerometer.

The invention provides a vehicle-mounted ADAS lens and a vehicle, and is based on the technical field of vehicle-mounted lenses, the vehicle-mounted ADAS lens is provided with an object side and an image side which are oppositely arranged along the direction of an optical axis, and the vehicle-mounted ADAS lens comprises a first lens group with positive focal power, a second lens group with positive focal power, a third lens group with positive focal power, a fourth lens group with positive focal power, a fifth lens group with positive focal power and a sixth lens group with negative focal power, which are sequentially arranged from the object side to the image side, all lenses in the first lens group and the second lens group are glass spherical lenses, the focal length of the first lens group is f11, the focal length of the second lens group is f22, the focal length of the vehicle-mounted ADAS lens is f, f11 / f is larger than 1.5 and smaller than 2.5, f22 / f is larger than 3 and smaller than 6.5, so that the field angle of the vehicle-mounted ADAS lens reaches 130 degrees or above, the F value of the number of apertures reaches 1.8, and the F value of the number of apertures reaches 1.8. And the resolution reaches three million pixels. According to the technical scheme provided by the invention, the focal power of each lens group and the material of the lens are reasonably set, so that the vehicle-mounted ADAS lens which is large in viewing angle, large in aperture, high in image quality and capable of clearly imaging in a weak light environment is realized.

The invention relates to the technical field of oil and gas well plugging, and discloses an inorganic gelling plugging agent and a preparation method thereof. The inorganic gelling plugging agent is mainly prepared from the following components in parts by weight: 40 to 90 parts of gelling base material, 4 to 11 parts of slurry stabilizer, 4 to 10 parts of water absorption expanding agent and 0 to 50 parts of density regulator. The cementing base material, the slurry stabilizer, the water absorption expanding agent and the density regulator are used in a matched mode, so that the plugging agent has good temperature adaptability, compatibility, plugging strength and residence capacity, and meanwhile plugging slurry with the equivalent density similar to that of leakage pressure can be prepared; and the plugging agent is especially suitable for plugging stratums such as cracks, karst caves, fractured stratums, uncemented stratums and low-pressure stratums.

The application relates to the technical field of fuel cell engine control, in particular to an anode control method and device of a fuel cell engine and a vehicle, wherein the method comprises the following steps: collecting an actual temperature of an environment currently where the fuel cell engine is located; in the case that the actual temperature is greater than or equal to a first preset temperature threshold and less than or equal to a second preset temperature threshold, acquiring a current power of the fuel cell engine; and generating a first hydrogen discharge action of exhaust anode waste gas according to the current power of the engine and / or a target humidity of a stack and a current humidity. Therefore, the problem that, in the prior art, a water distributor cannot be adjusted according to different working conditions and it is difficult to meet the humidity requirement of a stack membrane under different working conditions, thereby affecting the performance and service life of a fuel cell, is solved.

The invention provides a waterproof coating adhesive and a preparation method thereof, and belongs to the technical field of adhesives, the waterproof coating adhesive comprises the following components: modified chloroprene rubber, triazine A resin, a solvent, core-shell structure stable particles, a plasticizer and an initiator. The waterproof coating adhesive prepared by the invention is high in bonding strength, good in waterproof performance, relatively high in temperature adaptability, relatively high in bonding strength retention rate when being soaked in water and in a cold and hot alternate environment, capable of adapting to changes of different environments and excellent in durability.

The present invention belongs to the field of optical engineering technology, and particularly relates to a temperature-adaptive clamping mechanism for optical elements. The mechanism comprises a mounting reference plate and a plurality of flexible hinges, wherein the mounting reference plate is used to place optical elements, and the plurality of flexible hinges are arranged on the mounting reference plate along the circumferential direction for clamping the optical elements. The bottom of the optical element is provided with a truncated cone seat matched with the flexible hinge, and the plurality of flexible hinges realize axial and radial positioning of the optical element by clamping the truncated cone seat. The present invention not only increases the temperature adaptability of the clamping system, but also realizes more precise control of the clamping force.

The invention relates to the technical field of road construction, and discloses a construction method of a low-carbon penetration type pavement structure, which comprises the following steps: heating aggregate, preserving heat, uniformly mixing the aggregate with polyurethane at normal temperature to uniformly disperse the polyurethane on the surface of the aggregate, carrying out curing reaction on the polyurethane to form an elastic network structure to be adhered between coarse aggregates, and after the polyurethane is cured, carrying out curing to obtain the low-carbon penetration type pavement structure. Uniformly spreading premixed cement paste on the surface of the cured mixture under set pressure, applying vibration through a vibratory roller to promote the cement paste to deeply penetrate into gaps of the mixture, filling the gaps among the mixture and wrapping the mixture. The composite pavement structure layer with high strength and good integrity is formed through tight locking and embedding of the aggregate and full permeation and wrapping of double cementing materials of polyurethane and cement paste, heavy traffic loads can be borne, polyurethane has hydrophobicity and forms a compact composite structure with the aggregate and the cement paste, water invasion can be effectively blocked, and the service life of the pavement is prolonged. And the risk of water damage can be reduced.