28results about How to "Solid foundation" patented technology

The utility model provides a kind of special anti-toppling jig for grab assembly, it is related to the assembly auxiliary equipment field of grab production and manufacture, it includes bottom support, two vertical supports are fixed on the bottom support, two the vertical support is spaced and parallelly arranged along the length direction of bottom support, and all vertical to the plane where bottom support is, the lower end of vertical support is fixedly connected with bottom support by welding mode, the upper end of vertical support is provided with circular slot, the radian of circular slot is compatible with the radian of outer circumferential surface of grab middle beam shaft, the utility model solves the technical problem that operating personnel in the middle beam bottom operating surface faces high-altitude falling risk when grab assembly in prior art, operation space is small, leading to big operation difficulty and welding fume is difficult to diffuse and harm health.

The utility model relates to fan maintenance technical field discloses a kind of impeller dismounting device, including first clamping piece, second clamping piece, pusher plate and at least two installation rods;First clamping piece and second clamping piece are all provided with clamping cavity, and each clamping cavity is provided with inner lug;First clamping piece and second clamping piece are all provided with outer lug, and the clamping cavity is formed accommodating cavity after being connected by first clamping piece and second clamping piece, and the matching design of inner lug and impeller radial groove is combined, the accurate positioning and uniform clamping of impeller are realized;Outer lug is used as structure reinforcing part, not only strengthen the local strength of first clamping piece and second clamping piece, also provide stable installation base for installation rod, so that the axial force transmitted by installation rod of pusher plate can be uniformly, stably act on the matching surface of impeller and motor shaft, avoid direct artificial knock impeller or heat impeller shaft sleeve to cause impeller or motor shaft damage, significantly improve dismounting efficiency and security.

The application discloses a kind of multimodal data label generation method and system, it is related to multimodal data processing technical field, including acquisition contains original multimodal data sample of image, text, audio;Respectively to each data stream is exclusively deconstructed, corresponding unit set is extracted and single-modal concept graph is constructed;Cross-modal projection channel is established in modal fusion layer, the interactive mapping of each concept graph node and edge is realized, and cross-modal associated concept graph is formed;Extraction consensus concept node and arbitrate conflict node, generate unified concept candidate node pool;Labeling distillation is executed to candidate node pool, and preliminary multimodal label set is obtained;After label standardization template processing, standardized multimodal data label is generated.The method can realize the accurate labeling of multimodal data, solve the problems of label semantic ambiguity, conflict and the like in the prior art.

The utility model relates to a telescopic micro-pressure oxygen-enriched cabin, including front cabin body and rear cabin body, wherein the rear cabin body is telescopic soft shell body, is equipped with telescopic support subassembly for supporting cabin bottom in the rear cabin body, and the bottom of telescopic support subassembly is equipped with walking wheel, is equipped with folding deck chair in oxygen storehouse, and the folding deck chair includes fixed part, rotating part and walking part, the fixed part is fixedly connected with the bottom of front cabin body, the rotating part sets up in the rear end of fixed part, and the front end of rotating part is connected with the bottom of front cabin body through first rotary part, and the walking part sets up in the rear end of rotating part, and the rear end of walking part is connected with the rear end of telescopic support through second rotary part, and the rear end of rotating part and the front end of walking part are hinged through third rotary part, the utility model discloses the design of soft and hard cabin body combination can reduce the floor space of cabin body simultaneously, and the folding deck chair is integrated with telescopic soft cabin body, so that the folding deck chair can be telescopic with the soft cabin body simultaneously, and is suitable for small space scene such as family.

The application discloses an intelligent lifting type culture net cage integrated with environment sensing and adaptive depth adjustment, and belongs to the technical field of marine culture devices. The net cage main body comprises main columns and a net cover. The main columns are provided in plurality. A connecting rod is arranged between the side portions of two adjacent main columns. The periphery of the net cover is supported and tensioned by the main columns to form a closed culture space. A buoyancy adjusting mechanism is connected with the bottom of the main column and is used for adjusting the overall buoyancy of the net cage main body to vertically lift. A mooring positioning mechanism is connected with the buoyancy adjusting mechanism and is used for anchoring the net cage main body in a predetermined sea area and adapting the vertical lifting movement of the net cage main body. An environment sensing module is installed on the net cage main body. An intelligent control module is electrically connected with the environment sensing module and the buoyancy adjusting mechanism. The intelligent control module is internally provided with a decision algorithm, is used for receiving the data collected by the environment sensing module, and outputs a control instruction to the buoyancy adjusting mechanism according to a preset strategy to adaptively adjust the water depth where the net cage main body is located.

The invention provides a power distribution box, and relates to the technical field of electrical equipment, the power distribution box comprises a box body and a wire arrangement structure, a stand column is arranged in the box body, a back plate is arranged on the stand column, the wire arrangement structure comprises a fixed groove plate and a movable groove plate, and the movable groove plate is movably arranged in a wiring groove of the fixed groove plate. The movable groove plate can move up and down relative to the fixed groove plate and move in the height direction of a second side plate of the fixed groove plate, first side plates on the two sides of the movable groove plate are rotatably and elastically connected to a first bottom plate of the movable groove plate, and the opposite sides of the two first side plates are each provided with at least one pair of elastic wire clamp sets. The elastic wire clamp group comprises a fixed elastic clamping ring and a movable elastic clamping ring which are arranged in a staggered mode in the vertical direction, and the movable elastic clamping ring is elastically connected with the first side plate. According to the wire arrangement structure, the wire harness can be kept tightened and regular when the distribution box is in a normal operation state, and the wire harness constraint can be released during maintenance or transformation, so that the overall maintainability and operation reliability of the distribution box are improved.

The utility model discloses a stirring tooth structure of a granulator, which comprises a stirring tooth seat and stirring teeth, the bottom of the stirring tooth seat is cylindrical, the middle of the stirring tooth seat is in frustum transition, the upper part of the stirring tooth seat is cylindrical, the diameter of the upper cylinder is smaller than that of the lower cylinder, the upper cylinder is processed into internal threads, the stirring teeth are processed by cylinders, and the half-length surface of each stirring tooth is processed into threads. And two sides of the top part are symmetrically processed into slope surfaces with certain angles. The stirring tooth is simple in structure and easy to manufacture, the improved design is carried out on the basis of summarizing the abrasion rule of the stirring teeth, the easily-abraded points of the stirring teeth are effectively avoided on the premise that the stirring and rubbing functions are not affected, the service life of the stirring teeth is prolonged, the replacement and maintenance frequency of the stirring teeth is reduced, and the production efficiency is improved; and the pointed-end stirring teeth are beneficial to generating higher shearing strength, so that the power consumption is lower on the premise of generating the same shearing force.

The invention relates to the technical field of solar energy. The multifunctional solar radar velocimeter comprises a solar panel and an adjusting device connected with the bottom of the solar panel, the adjusting device integrates a driving mechanism, a sliding mechanism and a reinforcing mechanism, and the placing angle and the unfolding state of the solar panel can be adjusted so that the light energy absorption efficiency can be improved. The driving device drives the solar panel to rotate through gear transmission so as to adapt to sunlight in different directions; the sliding device drives the solar panel to be stably unfolded or folded by means of transmission of a bevel gear, a rack and the like, the light receiving area is increased, and various installation spaces are adapted. The reinforcing device is locked and fixed to the clamping structure through the tightening assembly, and external force is resisted to prevent loosening and deviation. The three parts work cooperatively, the problems that existing equipment is inconvenient to adjust, unstable in fixation, low in integration and the like are solved, the equipment operation stability and environment adaptability are improved, and the device is suitable for outdoor road scenes and has the characteristics of energy conservation, environmental protection and easy maintenance.

This utility model belongs to the field of building decoration and renovation technology, specifically relating to a level, including a base, a connecting ball connected to a limiting component set in the mounting base, a rubber ring placed in an annular groove on the side of the curved surface of the placement groove, the center of the annular groove being coaxial with the center of the placement groove, push plates on both sides of the rubber ring, an observation plate connected to the end of the push plate, a bidirectional screw threaded to the observation plate, a fixing rod fixed to the top surface of the connecting ball connected to the bottom surface of the mounting base, a height adjustment component set in the mounting base, a worm gear meshing with a worm wheel, the worm wheel being sleeved on the outside of the rotating rod, a gear being sleeved on the outside of the rotating rod, the gear meshing with a rack, the rack being fitted at the center of one side of the fixing plate, solving the problem of poor overall stability of the device due to the lack of a limiting component for the movable universal ball and the overall height adjustment device through a wire pulling device, which is easily affected by vibration and other factors during construction, causing the laser line to deviate.

The utility model provides an environmental protection type PVC window decoration track waste material recycling device relates to PVC window decoration track waste material recycling technical field, including equipment main part, one side of equipment main part is connected with support rod fixedly, the bottom of support rod is opened sliding slot, one side of sliding slot is opened with side slot mouth. The utility model, through the cooperation of support rod, sliding slot and side slot mouth, provided stable operation foundation, the setting of baffle and sliding block made the whole device more flexible and controllable in the operation process, the combination of screw groove and sliding block ensured the stability of push cylinder in the moving process, the application of spring not only increased the elastic adjusting capacity of extension board, also promoted the reliability of overall structure, the design of external connection block and round groove is convenient for connecting with other components, and the connecting column screw groove makes the rotating column can retract in the push cylinder, the torsional spring in the push cylinder, guarantees that the close -fitting dish is close -fitting in the sliding slot under the pressure of torsional spring.

This application relates to the field of vehicle technology and discloses an installation structure and a vehicle. The installation structure includes a roof assembly, a sunshade assembly, and a reinforcing structure. The roof assembly includes a frame structure. The sunshade assembly is disposed within the frame structure and includes a first mounting portion and a second mounting portion connected to each other. The first mounting portion is connected to the frame structure, and the second mounting portion is used to movably connect entertainment equipment. The reinforcing structure is connected to the first mounting portion, and at least a portion of the reinforcing structure is connected to the frame structure. Applying the technical solution of this application can provide a stable installation foundation for entertainment equipment.

The utility model discloses a soft -walled battery presealing position adjusting frock for soft -walled battery packaging equipment, include: packaging table, mobile platform, adjusting propulsion mechanism and position indication component, mobile platform sliding installation on packaging table, the mobile platform is suitable for the soft -walled battery of bearing to be packed on, adjusting propulsion mechanism is equipped with the propulsion end, the propulsion end with Mobile platform fixed connection, adjusting propulsion mechanism is suitable for driving mobile platform reciprocating movement along Y axle, position indication component installs on one side of packaging table, position indication component is suitable for indicating the position of mobile platform on Y axle, wherein, mobile platform is suitable for through adjusting propulsion mechanism, drive the soft -walled battery of bearing and move along Y axle direction. It can realize soft -walled battery seal position adjustment, and can record position to satisfy different specifications soft -walled battery and different batches incoming material's quick adaptation demand.

The utility model relates to a high-strength relay mounting box which comprises a box body and a mounting seat, a sealing cover is arranged at the top of the box body, a placing cavity for placing a relay is formed in the box body, reinforcing ribs are arranged in the placing cavity, and the reinforcing ribs are longitudinally and transversely arranged in a crossed manner to form a latticed structure. The mounting seat is fixedly mounted in the placement cavity through bolts, and the relay is fixedly mounted on the mounting seat. The box body is made of iron, and the mounting seat is made of plastic. The box body is made of an iron material, so that the mechanical strength is obviously higher than that of a traditional plastic protection box, and the box can bear larger external force impact and long-term vibration and is not easy to crack and damage.

The utility model relates to the technical field of buildings, in particular to a wind and rain vibration resistant inhaul cable which is provided with an inner layer and a water blocking surface layer, and the water blocking surface layer forms a continuous groove or protrusion structure through a main steel wire and an auxiliary steel wire which are different in radial thickness, so that a forming path of a water film on the surface of the inhaul cable is effectively damaged. The aerodynamic force on the surface of the inhaul cable is stabilized, so that wind and rain vibration is avoided, the vibration reduction effect is good, and the service life of the inhaul cable of the cable-stayed structure is prolonged; compared with a vibration reduction mode of a traditional damper, the vibration reduction device has the remarkable advantages of being simple in structure, free of maintenance and long in service life, and a brand new solution is provided for the wind and rain vibration resistance design of the large bridge inhaul cable. Wherein the main steel wires and the auxiliary steel wires are Z-shaped section steel wires, so that mutual lap joint is facilitated, and the integrity and the structural strength of the water-blocking surface layer are ensured. And the inner layer adopts a composite structure of the bearing core layer and the transition reinforcing layer, so that a stable mounting foundation is provided for the water-blocking surface layer while the mechanical property of the inhaul cable is ensured.

The utility model relates to the field of luggage, specifically to a luggage with a hanging structure, including the box body, its characterized in that: the outer surface of the box body is provided with at least one flexible band body, the flexible band body includes the connecting portion that sets up in the both ends of flexible band body, and the connecting portion is connected with the box body, the connecting portion is fixedly connected with the box body, the middle section of the flexible band body is equipped with the hanging portion that can hang the article, the hanging portion shape change forms the continuous annular passage for hanging article to pass through, and the shape of the hanging portion can be adaptive article shape.

This utility model relates to a material sorting device for adjusting the position of connectors. It includes a base plate, a first conveying track and a second conveying track mounted on the base plate, a suction cup for adsorbing connectors, and a transmission device for driving the suction cup. The discharge port of the first conveying track and the inlet of the second conveying track are placed perpendicularly. The transmission device is mounted on the base plate; the suction cup is mounted on the actuating end of the transmission device; and the suction cup is located directly above the discharge port of the first conveying track. This invention solves the problems of low efficiency and difficulty in guaranteeing accuracy in manual sorting of connectors in existing technologies, which cannot meet the needs of mass production. Furthermore, it addresses the technical problems of existing automated equipment generally using single-track conveying, which cannot achieve material orientation adjustment and precise positioning.

This invention discloses a AIPL1 A gene mutation-related congenital amaurosis animal model, its construction method, and its application. The method includes: S1, constructing a humanized... AIPL1 S2, a homologous recombination vector with a point mutation of c.421 C>T (p.Q141X) knocked in; S3, Cas9 mRNA, gRNA1, gRNA2 and the homologous recombination vector are injected into animal zygotes to perform homologous recombination, resulting in transfected zygotes; S4, the transfected zygotes are transplanted into the uterus of pseudopregnant animals to reproduce offspring, and offspring are selected from the offspring. AIPL1 Homozygous animals with the c.421 C>T (p.Q141X) point mutation were obtained, thus yielding the aforementioned... AIPL1 A gene mutation-related congenital amaurosis animal model. The animal model of this invention exhibits the clinical phenotype of Leber congenital amaurosis type 4 (LCA4) from 12 days after birth; while heterozygous mice do not show a significant phenotype, consistent with... AIPL1 The clinical phenotype and inheritance pattern of LCA caused by the c.421 C>T (p.Q141X) gene mutation demonstrate the effectiveness and reliability of the animal model of this invention, providing a basis for understanding the genetic model of LCA. AIPL1 Animal models provide a reliable basis for studying the disease mechanisms and drug screening of mutation-related LCA.

This invention discloses a portable pump with adjustable length, comprising a front rod, a tail rod, and at least one intermediate rod. The front rod has a pump head assembly, and the tail rod has a handle assembly connected to its tail end. The tail end of the front rod has a first connecting piece, one end of the intermediate rod has a first connecting piece, the other end has a second connecting piece, and the front end of the tail rod has a second connecting piece. The first and second connecting pieces are detachably connected. The pump head assembly includes a motor mounting base, a motor, an impeller, and a filter. The motor mounting base is fixedly connected to the front rod, and the motor is fixed within the motor mounting base. The impeller is detachably mounted on the motor's output shaft, and the filter is detachably mounted on the motor mounting base. This invention allows for flexible adjustment of the overall pump length to adapt to different usage scenarios by selecting different numbers of intermediate rods for splicing. Simultaneously, both the impeller and filter adopt a tool-free, detachable structure, facilitating daily cleaning and maintenance for users, significantly improving operational convenience and equipment reliability.

The utility model provides a dynamic sealing device combining magnetofluid sealing and spring compensation, and relates to the technical field of magnetofluid sealing. According to the utility model, when the moving shaft rotates, the magnetofluid is fixed in the magnetofluid groove by the magnetofluid sealing assembly through a magnetic field generated by the magnet, so that a stable sealing layer is formed, medium leakage is prevented, and meanwhile, the sealing effect is further enhanced by the sealing screen; the spring compensation assembly pushes the connecting block and the first sealing ring to slide along the first limiting groove through the elastic force of the telescopic spring, so that the sealing ring is in close contact with the movable shaft all the time, gap changes caused by abrasion or vibration are automatically compensated, the supporting block and the connecting block are matched through the second limiting groove, and stable movement of the sealing ring is ensured; the whole device realizes efficient sealing and automatic adjustment under a dynamic working condition, and is suitable for high-speed rotating machinery and precision equipment.

The application discloses an anti-impact and anti-vibration dam body hydraulic structure, which comprises a plurality of protection units arranged in an array on a water-impingement surface of the dam body, each protection unit comprising a flexible protection plate, a buffer column, a damping and shock-absorbing assembly and a secondary shock-absorbing assembly; the flexible protection plate directly receives water flow impact and silt abrasion; the buffer column uniformly transmits the impact force to the damping and shock-absorbing assembly for preliminary energy consumption; the secondary shock-absorbing assembly is linked with the damping and shock-absorbing assembly to further dissipate the residual impact energy. The application replaces the traditional rigid anti-impact mode with a hierarchical energy dissipation system, effectively solves the problems of easy cracking, stress concentration and insufficient energy dissipation on the water-impingement surface of the dam body, can reduce the impact force transmitted to the main body of the dam body, improves the anti-impact and anti-vibration performance and durability of the dam body, and is suitable for various reservoir and riverway dam body engineering.

This invention discloses a rapid self-assembly of Ti3C2T based on pH regulation. x The method for preparing MXene thin films is as follows: 1. Preparation of Ti3C2T x MXene dispersion; 2. Adjust pH to 1.5-3.0 with inorganic acid; 3. After stirring and settling, vacuum filter and self-assemble into a film; 4. After drying, peel off to obtain Ti3C2T. x MXene thin films. This invention introduces trace amounts of inorganic acid to regulate the surface charge and colloidal stability of MXene sheets, effectively weakening the electrostatic repulsion between sheets, significantly improving the film formation efficiency of vacuum filtration, and ensuring the quality of Ti3C2T films. x MXene films offer excellent conductivity and are simple and inexpensive to process, requiring no special equipment, making them ideal for achieving high-quality Ti3C2T. x The efficient and large-scale preparation of MXene thin films provides a reliable approach suitable for electromagnetic shielding, flexible electronics, and electrochemical energy storage.

The invention discloses a reset device for eliminating equipment clamping stagnation workpieces and an eliminating method. The reset device comprises an outer frame, a movement assembly, a traction drag hook and a ratchet wheel and ratchet mechanism. A front-clamping and rear-hanging type mounting structure is arranged on the outer frame and is used for limiting the outer frame in the horizontal direction, the vertical direction and the rotating direction; the moving assembly is slidably arranged on the outer frame and comprises a mounting frame and a traction pin seat; the traction hook is detachably connected with an extension body at the tail part of the execution mechanism through a pin; the ratchet wheel and ratchet mechanism comprises a ratchet bar, a ratchet wheel, stop teeth and a rocker. When the outer frame is installed in place, a pin shaft of the traction pin seat falls into a hook groove of the traction drag hook to form traction fit, the rocker is swung in a reciprocating mode, and through the one-way stepping traction effect of the ratchet wheel and ratchet mechanism, the execution mechanism is driven to overcome spring resistance to move backwards to a standby position, and clamping stagnation of workpieces is eliminated. The device has the advantages of being safe and labor-saving in operation and compact in structure, and resetting operation can be completed in a narrow space.

The invention provides an electric power intelligent power distribution cabinet with a built-in circulating ventilation system, and relates to the technical field of electric power intelligent power distribution cabinets, the electric power intelligent power distribution cabinet comprises a cabinet body, a cabinet door and an air cooling heat dissipation mechanism installed in the cabinet body, the cabinet door is rotatably connected to the side part of the cabinet body, and two groups of symmetrically arranged separation frames are vertically and fixedly arranged in the cabinet body; and water-cooling heat dissipation mechanisms are assembled on the two groups of separation frames. Compared with the prior art, the cabinet has the following beneficial effects that the flowing speed of air in the cabinet body can be increased through all-directional blowing of the air-cooling heat dissipation mechanism, on one hand, heat generated by electrical elements in the cabinet is directly taken away, and on the other hand, heat exchange between the air in the cabinet body and the water-cooling heat dissipation mechanism can be accelerated, so that a synergistic heat dissipation effect is formed by air cooling and water cooling; an efficient built-in circulating ventilation and heat dissipation system is constructed in the cabinet body, and the overall heat dissipation efficiency is far higher than that of a single air cooling or water cooling structure.

This invention provides a video surveillance device for power applications. The device includes: a mounting base, a monitoring unit mounted on the mounting base, a protective component mounted on the mounting base with the monitoring unit housed within the protective component, and a reservoir for storing cleaning fluid on the mounting base. The video surveillance device for power applications provided by this invention achieves comprehensive protection and automatic cleaning of the monitoring unit through the protective component. The protective cover is made of colored polycarbonate material, which can attenuate strong light, prevent overexposure of the monitoring image, and withstand harsh outdoor environments such as rain, snow, and dust, protecting the monitoring unit from damage without affecting night vision. A motor-driven cleaning brush rotates and wipes, automatically removing stains from the surface of the protective cover, eliminating the need for manual cleaning at heights, reducing maintenance difficulty, ensuring consistently clear monitoring images, and extending the device's service life.

The utility model relates to the technical field of end face flat-grinding chamfering machines, in particular to a supporting plate moving structure of an end face flat-grinding chamfering machine, which comprises a mounting supporting plate. The upper end of the translation guide assembly is connected with the mounting supporting plate, and the translation guide assembly is mounted on a base; the driving assembly is connected with the translation guide assembly, and the driving assembly drives the translation guide assembly to move horizontally; and the dustproof assembly is mounted between the translation guide assembly and the base. The moving distance of the tray can be accurately adjusted, and the machining precision of workpieces is improved.

The utility model provides a unilateral supporting device suitable for excavation of a municipal drainage pipeline groove, a supported groove is provided with an existing pipeline adjacent to a newly-built pipeline, the unilateral supporting device comprises a plurality of fixing piles, a supporting plate, surrounding purlins, diagonal bracings and a plurality of base plates, the fixing piles are inserted into the side, where the existing pipeline is arranged, of the groove side by side, and the supporting plate is arranged on the supporting plate. The enclosing purlin is fixed on the fixing piles and is perpendicular to the fixing piles, the supporting plate is arranged between the fixing piles and the groove and used for enclosing the retaining wall, the base plates are fixedly padded at the bottom of the groove at intervals, the diagonal braces are fixedly supported between the base plates and the enclosing purlin, and the newly-built pipeline is laid at the bottom of the groove and located below the diagonal braces. The structure can stably support a soil body on the side wall of the groove on the premise of not influencing the existing pipeline, collapse is prevented, and the safety of constructors is guaranteed; the arrangement of the base plates and the diagonal bracings provides a stable foundation and space for laying of newly-built pipelines, construction operation is convenient, the construction efficiency is improved, and the construction cost is reduced.

This utility model discloses a forming device for producing bright decorative strips. It is characterized by comprising: a forming device, which includes a base, a connecting frame fixedly connected to the top of the base, and rollers rotatably connected to the front and rear ends of the connecting frame via rotating shafts. A lower forming pressure roller is horizontally arranged inside the connecting frame. This utility model, by setting up a forming device, a frame, and a spacing control mechanism, utilizes a motor to drive the positive and negative threaded rods to rotate, thereby driving the screw sleeve, positioning rod, transmission frame, and transmission plate to move and lift the upper forming pressure roller, thus automatically adjusting the spacing between the upper and lower forming pressure rollers. This structure eliminates the need for manual adjustment, is easy to operate, effectively improves adjustment efficiency and accuracy, ensures the consistency of the bright decorative strip forming dimensions, and has a stable and reliable overall transmission structure, adapting to the production needs of bright decorative strips of different specifications.

The invention relates to the field of biological detection, in particular to a monoclonal antibody combination for detecting human IL-33 protein and application. The antibody combination comprises 1B3 and 4A10, the amino acid sequence of a complementary determining region of a heavy chain variable region of the monoclonal antibody 1B3 corresponds to SEQ ID NO.1-SEQ ID NO.3, and the amino acid sequence of a light chain variable region CDR of the monoclonal antibody 1B3 corresponds to SEQ ID NO.4-SEQ ID NO.6; the amino acid sequence of a heavy chain variable region CDR of the monoclonal antibody 4A10 corresponds to SEQ ID NO.7-SEQ ID NO.9, and the amino acid sequence of a light chain variable region CDR of the monoclonal antibody 4A10 corresponds to SEQ ID NO.10-SEQ ID NO.12. The antibody combination ensures the repeatability of raw material production, provides a reliable basis for preparing in-vitro diagnostic tools such as high-sensitivity and high-stability ELISA kits and the like, and has a wide application prospect.