58results about How to "Avoid cumbersome steps" patented technology

The utility model discloses a rescue air cushion convenient to carry, including box, air bag pad and movable board, the inside of box is provided with the cavity, and the one side of box is provided with the notched of being linked with the cavity, and the upper and lower both ends of notched inboard all are through the pivot respectively installed with roll axle no.

The invention discloses a preparation method of aromatic diether dianhydride, which comprises the following steps: S1, feeding: adding a dihydroxyl monomer, an alkaline compound, a transition metal complex catalyst, an organic solvent and a water diversion agent into a reaction container, and continuously introducing inert gas; s2, water separation: raising the temperature to separate out water in a reaction system; s3, etherification reaction: adding a nitrophthalimide derivative, raising the temperature to carry out etherification reaction, filtering after the reaction is finished, and carrying out reduced pressure distillation on filtrate to remove the solvent, so as to obtain an etherified product; and S4, carrying out hydrolysis ring opening, acidification and dehydration ring formation on the etherification product to prepare the aromatic diether dianhydride. According to the preparation method of the aromatic diether dianhydride, the specific catalyst is introduced in the etherification reaction stage, a high-selectivity catalytic system is formed, generation of by-products can be effectively inhibited, the yield and purity of target etherified products are remarkably improved, tedious steps of etherification and purification are avoided, the total preparation process is simplified, and the preparation method is suitable for industrial production.

The application relates to the technical field of control devices, in particular to an elevator multi-end operating box permission linkage emergency opening control device, which comprises a touch screen and an L-shaped groove, a dismounting mechanism with mounting assembly positioning function is arranged on the touch screen, the dismounting mechanism comprises a slot plate and a plug-in column, the plug-in column is inserted into the slot plate, and an adsorption mechanism with a hiding function is arranged on the L-shaped groove. The touch screen is first clamped into the touch screen slot, the plug-in column is aligned with the two slot plates at the top and is inserted downwards, the mounting assembly is sequentially passed through the slot and the two slot plates at the bottom under the action of gravity, and the magnet is adsorbed to the iron block, so that the touch screen can be quickly installed, the trouble and complicated steps of positioning the touch screen by means of auxiliary tools during inlaid installation of the touch screen are avoided, meanwhile, the touch screen is convenient to quickly dismount, and thus the touch screen is convenient to overhaul and replace.

This utility model provides a universal rapid inspection tool for the center distance of drilled curved holes, relating to the field of machining inspection technology. It includes: a base plate; a base is mounted on the base plate by screws; a partition plate is mounted on the upper end of the base plate; a through groove is provided on the partition plate; a seat plate is fixed to the lower end of the partition plate; a movable plate that can move back and forth is installed in the through groove of the partition plate; a fixed seat is fixed on the movable plate; a first hydraulic rod is fixedly mounted on the fixed seat; the piston rod of the first hydraulic rod is fixedly connected to the seat plate; a sliding plate that can slide back and forth is mounted on the partition plate; the movable plate is connected to the right side of the sliding plate by bolts; and a support is fixed on the partition plate. This utility model significantly improves inspection efficiency and accuracy through innovative design. The hydraulically driven movable plate and lifting plate achieve rapid positioning, and with real-time readings from a dial indicator, the inspection time for a single piece is shortened to within 30 seconds, improving efficiency by 5-10 times compared to traditional coordinate measuring machines. The standardized process is suitable for online inspection on production lines.

The utility model belongs to the technical field of insulating board, specifically a kind of high-strength insulating plastic insulating board, including insulating board body, the insulating board body lateral wall is fixedly connected with lug, the insulating board body is distantly located lug lateral wall and is equipped with recess, lug and recess middle part are equipped with multiple groups of jack, and symmetrically set, the top of the insulating board body close to recess is detachably installed with connecting plate, the connecting plate bottom is fixedly connected with plug rod, this step is equipped with the setting of insulating board body, lug, recess, connecting plate, plug rod, ceramic plate and locking assembly, and high-strength insulating plastic insulating board structure is formed, the function of the multiple insulating board body quick splicing is realized, the cumbersome step of needing to screw bolt fixed when the multiple insulating board body is spliced is solved, the convenience when insulating board body splicing is improved, the speed when insulating board body splicing is improved, the step of insulating board body splicing is simplified.

The utility model relates to the technical field of coating, and discloses a coating roller structure for improving the uniformity of wet tissues, which comprises a workbench, the inner wall of the workbench is rotatably connected with a coating roller, the inner wall of the workbench is fixedly connected with a connecting block, the inner wall of the workbench is rotatably connected with a material receiving roller, and the material receiving roller is fixedly connected with the connecting block. The inner wall of the connecting block penetrates through and is slidably connected with a movable spray head, the inner wall of the connecting block is fixedly connected with a fixed spray head, the outer wall of the movable spray head is hinged to a rotating rod through a hinge rod, the inner wall of the connecting block is rotatably connected with a gear, and the outer wall of the gear is meshed with a rack. According to the wet tissue spraying device, the rectangular block is moved through separation and superposition of the insertion block and the notch of the connecting block, the rectangular block drives the movable sprayers to move left and right, the distance between the movable sprayers can be rapidly adjusted through cooperation of the hinge rod and the rotating rod, the sprayers are made to adapt to wet tissues of different specifications, and the applicability of the device is further improved.

This utility model relates to the technical field of skid steer loader accessories, specifically a quick-change attachment structure for skid steer loaders. It includes a mounting frame on which a beveled insert plate, a beveled square base quick-change insert plate, and a spring positioning plate are fixedly mounted. The mounting frame is hinged to the loader bucket cylinder and the boom end fork via pins, forming a rigid support base. A beveled cylinder rotatably passes through a mounting hole in the mounting frame, with an external spring providing a return force. A rotating handle is connected to the beveled cylinder via an elastic cylindrical pin, driving it to slide along the beveled surface of the square base. In this utility model, the beveled insert plate conforms to the lower edge of the bucket ramp for guidance, and the quick-change insert plate is flush with the attachment quick-change positioning plate. Rotating the handle raises and lowers the beveled cylinder, which is then locked in place by the spring. Combined with inserting the rotating handle into the attachment positioning hole, quick installation and removal of the attachment are achieved. The operation is convenient, the connection is stable, and it significantly improves the efficiency and reliability of attachment replacement.

The showing stand comprises a showing platform, an installation platform and a supporting frame, the installation platform is arranged in an installation cavity of the showing platform, a first conductive structure is arranged on the side, facing a through hole of the showing platform, of the installation platform, and the first conductive structure is electrically connected with an external power source; the supporting frame is provided with a second conductive structure, the supporting frame is detachably connected with the mounting platform, the second conductive structure makes contact with the first conductive structure for electric conduction, and the supporting frame is used for containing the exhibits and charging the exhibits. According to the utility model, the mounting platform is arranged in the mounting cavity, and the support frame adopts an external detachable assembly mode. The projection of the first conductive structure is limited in the range of the through hole, so that the support frame can be accurately butted during external installation to realize contact conduction of the first conductive structure and the second conductive structure, and the tedious steps of performing fixation and wiring conduction on the support frame from an external display platform and in the display platform during traditional assembly are avoided; the assembly difficulty is reduced.

The utility model relates to the technical field of bending machine, concretely relates to a straight and inclined integrated bending machine, including the processing platform, the detachable installation of straight concave mould and inclined concave mould is arranged on the upper surface of processing platform, the upper of straight concave mould and inclined concave mould is provided with straight convex mould and inclined convex mould respectively, the four corner parts of straight concave mould and inclined concave mould all are provided with sleeve, the sleeve is provided with annular groove, the central position of sleeve is fixedly installed with the vertical guide rod of setting, the annular groove is provided with spring, and the spring is around the guide rod, the four corner parts of straight convex mould and inclined convex mould all are fixedly installed with sliding block, and the sliding block is sleeved on the guide rod and is connected between the guide rod and slidingly, the sliding block is above the spring, and the upper of straight convex mould and inclined convex mould all is provided with the hydraulic cylinder for driving the convex mould downward movement and bending operation. The utility model does not need to frequently dismount and install the die, and has the advantages of straight and inclined integrated machining.

This invention relates to the field of new materials and electrochemical energy storage materials, and discloses a polyimide-derived hierarchical porous carbon / carbon fiber composite electrode and its preparation method. The preparation method involves using carbon fiber felt as a substrate, and constructing a three-level interconnected structure of micropores, mesopores, and macropores through polyimide solution spraying, metal-organic gel template deposition, gradient carbonization, and eutectic activation processes. This invention, through template synergy and optimized activation processes, enables the constructed composite electrode to possess a unique three-level interconnected structure of micropores, mesopores, and macropores, solving the problems of limited mass transfer and insufficient active sites in traditional carbon electrodes. It can be widely applied to all-vanadium, iron-chromium, and organic flow batteries, and has significant industrial application value.

This utility model belongs to the field of scaffolding technology, specifically relating to a foldable construction scaffold. It includes casters, retractable uprights, a lifting device, a ladder, and footboards. The lifting device is mounted on the retractable uprights, and includes a folding bracket, a drive cylinder, and a mounting plate. The mounting plate is fixed to the retractable uprights, and the folding bracket is mounted on the mounting plate. A drive cylinder and a limit rod are mounted at the bottom of the folding bracket. The telescopic end of the drive cylinder is connected to the limit rod, which is slidably mounted in a limit frame on the mounting plate. A footboard is connected to the top of the folding bracket, and a ladder is mounted on one side of the footboard. This utility model uses the drive cylinder to move the limit rod along the limit frame, causing the folding bracket to unfold or fold, thereby moving the retractable uprights and footboards along the direction of the retractable uprights, changing the height of the scaffold, and facilitating adjustment of the construction height as needed.

The invention discloses an application data management method and device, equipment, a medium and a program product, and relates to the technical field of computers. The method comprises the following steps: in a process of compiling an application source code, encrypting an original text key according to an encryption strategy corresponding to annotation information to obtain a ciphertext key; after the application source code compilation is finished, compiled codes are obtained; in the process of running the first application based on the compiled code, decrypting the ciphertext key to obtain an original text key; encrypting to-be-encrypted data in the first application based on the original text key to obtain ciphertext data; or decrypting the to-be-decrypted data in the first application based on the original text key to obtain the original text data. Due to the fact that the compiled code replaces the original text key by importing the ciphertext key, the compiled code cannot be obtained through reverse engineering to be analyzed to obtain the original text key, the leakage risk of the original text key is greatly reduced, the encrypted application data cannot be decrypted through the original text key, and the safety of the application data is improved.

The utility model relates to the technical field of production and manufacturing of non-ferrous metal alloy materials, in particular to a dust treatment device for production and manufacturing of non-ferrous metal alloy materials, which comprises a device body, the device body is provided with a connecting mechanism, and the connecting mechanism comprises a connecting assembly arranged on the outer wall of the device body. A scraping assembly is arranged on the upper section of the device body, and a screening assembly is arranged on the lower section of the device body. The screening assembly of the device is unique in design, the screening plate is driven by the connecting sliding sleeve to reciprocate up and down, dust in production of non-ferrous metal alloy materials can be efficiently screened through cooperation with the scraping plate at the bottom, the screening precision and efficiency are improved, the scraping plate can scrape off materials left on the screening plate in time when the screening plate moves, and the screening efficiency is improved. And meanwhile, the inner wall of the device can be ensured to be clean, the service life of the device is prolonged, and the maintenance cost is reduced.

This invention provides a dual-lumen thrombus aspiration catheter assembly, belonging to the field of interventional medical device technology. The assembly includes an aspiration tube body with an aspiration cavity and a guide cavity arranged parallel along the axial direction. The proximal end of the aspiration cavity is used to connect to a negative pressure aspiration device, and the distal end has an aspiration port. A distal protection unit is slidably inserted within the guide cavity. The distal protection unit has a guide portion and an interception portion located distal to the guide portion. The interception portion has a compressed state and an expanded state. During operation, the compressed distal protection unit is transported to the distal end of the target location along with the aspiration tube body. After the interception portion of the distal protection unit detaches from the guide cavity, it expands and supports itself at a set position to intercept any thrombi that fall during the operation. The aspiration cavity of the aspiration tube body can move along the guide portion to adjust the position of the aspiration port. This invention primarily addresses the technical problems in existing technologies where adjusting the position of the aspiration catheter requires repeated establishment of guidewire pathways, and the distal protection requires additional instruments, leading to long operation times and high risks.

The application provides a baffle, an expansion card containing the baffle and an electronic device. The expansion card is suitable for a case of the electronic device and includes a circuit board and the baffle. The baffle includes a baffle part and an assembling part. The baffle part is fixed to the circuit board. The assembling part is detachably clamped to the baffle part and is suitable for being combined with the case, so that the expansion card is assembled to the electronic device through the assembling part.

This utility model discloses a quick-fixing device for vibrating screen pressure bars, including a main body, an installation mechanism, and an adjustment component. The installation mechanism includes a screen, an installation bar, a support frame, a fixing component, and a threaded sleeve. The adjustment component includes a spring, a pushing component, and a connecting component. With the coordinated action of these mechanisms, the quick-fixing function of this device allows operators to complete the installation and removal of the pressure bars in a short time, avoiding cumbersome steps and significantly reducing equipment downtime, thus improving production efficiency. In addition, this device effectively vibrates and disperses the material on the screen by hammering the screen, especially fine particles or wet materials adhering to the screen. This reduces material clogging of the screen and improves screening efficiency.

The utility model relates to the field of chemical industry discloses a kind of sodium metabisulfite recovery equipment, including filter bucket, the inner wall of the filter bucket is fixedly connected with connecting rod, the inner wall of the connecting rod is rotatably connected with rotating rod, the outer wall of the rotating rod is fixedly connected with impeller, the outer wall of the rotating rod is fixedly connected with rotary plate, the inner wall of the filter bucket is provided with filter screen, the inner wall of the filter bucket is provided with dredging mechanism, the outer wall of the rotating rod is provided with cleaning assembly, the dredging mechanism includes dredging plate, the dredging plate is penetrated and slidably connected on the inner wall of filter bucket, the inner side wall of the dredging plate is fixedly connected with baffle.The utility model in, by waste liquid impact impeller, let impeller with rotary plate rotate, pass through rotary plate extrude dredging plate, so that dredging plate can be dredged and cleaned to filter screen, avoid the tedious step of manual cleaning filter screen, further improve work efficiency.

The utility model relates to the technical field of business management tools, and discloses a business management drawing ruler which comprises a main ruler, a first shaft body is arranged in one end of the main ruler, an auxiliary ruler is rotatably connected to the surface of the first shaft body and located above the main ruler, a dial is fixed to one end of the first shaft body, and a second shaft body is fixed to the other end of the first shaft body. A base is fixed to the top of the dial. According to the business administration drawing ruler, the dial and the angle pointer are arranged above the main ruler and the auxiliary ruler, the dial provides visual scales, the rotating degree can be more accurately controlled when the angle is adjusted, the angle pointer can indicate the current angle value, a user can conveniently check and confirm the angle value at any time, and the user experience is improved. Through the combined use of the dial and the angle pointer, errors generated when the angle is manually adjusted can be remarkably reduced, and the consistency and accuracy of drawing can be kept, especially in a scene where complex graphs are drawn or a high-precision requirement is needed.

This utility model relates to the field of hydraulic system technology and discloses a quick-change self-sealing hydraulic pipeline connector, including a connecting pipe. Sealing rings are fixedly connected to the inner walls of both ends of the connecting pipe. This utility model allows personnel to quickly connect and disconnect the connecting pipe from the interface seat by pressing the positioning pin and pulling the lever. The entire process requires no tools, improving operational efficiency and convenience. It avoids the cumbersome steps and time consumption caused by complex threaded connections or clamp fixation in traditional connection methods, significantly improving the maintenance and replacement efficiency of the hydraulic system. The sealing rings fixedly connected to the inner walls of both ends of the connecting pipe fit tightly with the interface seat, forming a good sealing effect. Simultaneously, the locking mechanism of the positioning pin and the pop-out groove, as well as the locking of the reinforcing rod and the groove, further ensure the stability of the connection, effectively avoiding hydraulic leakage caused by loose connections and reducing hydraulic oil waste and environmental pollution caused by leakage.

The utility model relates to the field of medical instruments, and discloses an orthopedic arm fixing support which comprises a fixing seat, a moving ring is hinged to the top end of the fixing seat, a moving block is fixedly connected to the outer wall of the moving ring, a long rod penetrates through the inner wall of the moving block and is in sliding connection with the inner wall of the moving block, and a fixing block is fixedly connected to the outer wall of the fixing seat. A limiting mechanism is arranged on the inner wall of the fixing block, a movable column is fixedly connected to the bottom end of the fixing seat, a supporting column is slidably connected to the outer wall of the movable column, and a base is fixedly connected to the bottom end of the supporting column. Local positioning of the moving ring and the arm of the patient can be quickly relieved by means of separation and coincidence of the clamping blocks and the notches of the moving blocks, overall positioning of the arm of the patient can be quickly relieved by means of mutual insertion of the long rods and enabling the multiple sets of clamping blocks and the round rods to keep the same moving track, and the tedious step of relieving positioning one by one is avoided. And the working efficiency is further improved.

The utility model discloses a box body assembly and heat pump equipment, and belongs to the technical field of household appliances. Wherein the box body assembly comprises a shell, a filter screen and a cover body, an air duct is arranged in the heat preservation piece shell, an air inlet and a mounting port are formed in the surface of the heat preservation piece shell at intervals, and the heat preservation piece air inlet and the heat preservation piece mounting port are respectively communicated with the heat preservation piece air duct; the heat preservation part filter screen is detachably mounted in the heat preservation part air duct and covers the heat preservation part air inlet, and the heat preservation part filter screen is configured to be capable of being separated from or entering the shell through the mounting opening; and the heat preservation piece cover body covers the heat preservation piece mounting opening, and the heat preservation piece cover body is detachably connected with the heat preservation piece shell. According to the utility model, the tedious step of disassembling the front panel for disassembling the filter screen is effectively avoided, so that the disassembling process of the filter screen is simplified, the disassembling operation difficulty is reduced, the disassembling efficiency of the filter screen is improved, the time required for cleaning and maintaining the filter screen is saved, and the use experience of a user is further improved.

The utility model relates to a traditional Chinese medicine brooch which comprises a brooch body, a buckle and a sealing cover. A traditional Chinese medicine containing cavity is formed in the rear face of the brooch body, and a diverging layer is arranged on the front face of the brooch body and communicated with the traditional Chinese medicine containing cavity. A connecting pipe is arranged at an opening of the traditional Chinese medicine placing cavity, and an external thread is arranged on the side surface of the connecting pipe; an internal thread matched with the external thread is arranged on the inner side wall of the sealing cover, and the sealing cover is connected to the connecting pipe; the buckle is connected to the middle of the rear face of the sealing cover. The traditional Chinese medicine brooch has the advantages that when the traditional Chinese medicine brooch is used, a traditional Chinese medicine bag is placed in the traditional Chinese medicine placing cover, the traditional Chinese medicine brooch is worn in front of the chest of a human body through the buckle, and the traditional Chinese medicine ingredients in the traditional Chinese medicine bag penetrate through the diffusing layer on the traditional Chinese medicine placing cover and are slowly released through skin permeation or respiration. The effects of health care and disease prevention are achieved.

The utility model discloses a variable-pitch transfer mechanism of a pipette tip, which comprises a bottom table, a double-belt lead screw transverse moving assembly arranged at the top end of the bottom table, an inverted U-shaped frame arranged at the moving end of the double-belt lead screw transverse moving assembly, and a Y-axis cylinder arranged on the inner wall of one side of the inverted U-shaped frame, a supporting arm is fixed to the top end of a piston rod of the Y-axis air cylinder, a bottom plate is fixed to the bottom end of the supporting arm, and a pneumatic pitch changing assembly is installed on the upper surface of the bottom plate. The distance between every two adjacent conical opening sleeves is adjusted through the pneumatic distance changing assembly so as to be suitable for suction heads with different heights, diameters or shapes, and finally the double-belt type lead screw transverse moving assembly transversely moves the suction heads and the conical opening sleeves which are stably placed till the suction heads and the conical opening sleeves move to a loading area. And the suction heads are propped into the packaging boxes with the holes one by one by a subsequent mechanical arm.

This invention provides a standardized preparation method and kit for double-stained transparent specimens of fish skeletons. Orthogonal experiments were designed for fish of different skeleton types (cartilaginous / boneless) and body lengths (small 5-7cm, medium 7-15cm, large 15-25cm), using factors such as KOH concentration and treatment time. Staining effect, transparency, and tissue integrity were used as indicators. Statistical analysis was used to establish an optimal parameter matrix database covering fixation, transparentization, and staining steps. During preparation, the database can be queried based on fish species and body length to obtain differentiated treatment parameters, achieving standardized operation. This invention also provides a kit containing staining stock solution, basic reagents, and a parameter query unit. This invention transforms double-stained skeleton preparation from experience-dependent to data-driven, significantly improving repeatability and success rate, and is suitable for scientific research, teaching, and demonstration.

This utility model relates to the field of oil wellhead technology, and discloses an anti-theft and oil wellhead device, including an oil wellhead body. The bottom of the oil wellhead body is provided with a symmetrically arranged base plate. The upper surface of the base plate is fixed with symmetrically arranged side plates, and a sliding rod is fixed between the two sets of side plates. Two sets of protective covers are slidably arranged between the two sets of sliding rods to protect the oil wellhead body. Pins are fixed at the four corners of the lower surface of the base plate. An anti-theft locking mechanism for locking the two sets of protective covers is installed on the base plate. This anti-theft and oil wellhead device, in this design, allows the two sets of protective covers to slide quickly and accurately during splicing through the sliding rods and sliding seats, avoiding the cumbersome steps of the original design, making the installation process simpler and more intuitive, and significantly improving the anti-theft performance and enhancing the security of the equipment.

The utility model relates to the field of food detection, and discloses a microbiological detection sampling device for dairy processing, which comprises a sampling tube, the inner wall of the sampling tube is movably connected with a pressing rod, the bottom end of the pressing rod is rotatably connected with a rotating block, and the bottom end of the rotating block is elastically connected with the sampling tube through a movable spring. A long rod is slidably connected to the lower surface of the pressing rod, an opening and closing plate is fixedly connected to the outer wall of the long rod, a limiting mechanism is arranged on the inner wall of the pressing rod, an adjusting assembly is arranged on the inner wall of the sampling pipe, the limiting mechanism comprises an arc-shaped block, and the right side wall of the arc-shaped block is elastically connected with the pressing rod through a moving spring. According to the sampling device, the long rod and the opening and closing plate are driven by the pressing rod to move downwards, and the opening and closing plate is limited through separation and superposition of the arc-shaped block and the notch of the sampling pipe, so that the sampling pipe can sample samples with different depths at the same time, the tedious step of sampling one by one is avoided, and the working efficiency is further improved.

The utility model discloses a distillation and extraction device for preparing wormwood essential oil, relates to the technical field of distillation and extraction, and aims to solve the problems that in the prior art, raw materials are suspended through a material containing barrel, so that the raw materials are in full contact with steam, but the raw materials are still accumulated in the material containing barrel, so that the middle parts of the accumulated raw materials are in limited contact with the steam; and the distillation effect is influenced. A separation plate is fixedly connected to the lower end in the distillation device, a material containing barrel is arranged at the position, at the upper end of the separation plate, in the distillation device, a stirring shaft is rotationally connected to the middle in the material containing barrel, a plurality of stirring rods are fixedly connected to the two sides of the stirring shaft, and a steam generator is connected to one side of the distillation device; the other side of the distillation device is provided with a condensing device, and the lower end of the condensing device is connected with an oil-water separator, so that automatic stirring of a wormwood raw material in the material containing barrel is realized, accumulation of the raw material is effectively prevented, and full contact between steam and the wormwood raw material is ensured.

This utility model relates to the field of sampling device technology, and more particularly to a sampling device for the production and processing of cleaning agents. It includes a mounting rod, with a circular block fixedly mounted at the bottom of the mounting rod. A piston rod is slidably inserted into a second sampling chamber. The circular block has four liquid outlets on its side wall and a liquid inlet at its bottom. A liquid inlet pipe is fixedly mounted at the bottom of the circular block, and multiple liquid outlet pipes are mounted on the side wall of the circular block. A rotating ring is rotatably mounted in a sealed manner on the wall of the first sampling chamber. A liquid passage is opened on the surface of the rotating ring, and a collection tube is fixedly mounted at one end of each liquid outlet pipe. Through the cooperation between the circular block, the rotating ring, and the piston rod, multiple samples of the cleaning agent can be sequentially filled into multiple collection tubes, avoiding the cumbersome step of removing previously obtained samples from the collection tubes before each sampling.

The utility model relates to a microplate reader provided with an automatic sample adding inactivation module. The microplate reader comprises a rack, a pipetting module; a detection module; the inactivation module comprises an inactivation cavity, a multi-channel sample adding head and a rotating component; a plurality of independent inactivation units are arranged in the inactivation cavity, and each inactivation unit comprises a heating sheet, a cooling sheet and a temperature control sensor; the multi-channel sample adding head is connected with the top of the inactivation cavity through a lifting rod, the multi-channel sample adding head comprises a plurality of sample adding channels, each sample adding channel is provided with a micro pump and a flow controller, and a nozzle is arranged at the bottom of each sample adding channel; the rotating component comprises a rotating shaft and a plurality of fixed arms, the rotating shaft penetrates through the top of the inactivation cavity and is in transmission connection with the motor, and a sample holder is arranged at the tail end of each fixed arm. According to the microplate reader provided with the automatic sample adding and inactivating module, automatic sample adding, precise inactivating and multi-stage processing of samples can be achieved, the inactivating efficiency and the automation degree are remarkably improved, and meanwhile the universality and compatibility of equipment are enhanced.

The invention discloses a service asphalt pavement hardening low-loss evaluation method based on a structure-activity relationship. At present, a quantitative evaluation method for the performance of the modified asphalt in the mixture is lacked on the premise of not damaging the pavement structure; after the type of the modified asphalt on the old pavement is obtained, at least three types of homologous modified asphalt are correspondingly configured according to the type of the modified asphalt on the old pavement, a modulus change index MCI is obtained through related experimental testing and calculation, and a functional group change index FCI is obtained after the type of the modified asphalt on the old pavement is subjected to related analysis calculation. An MCI-FCI correlation equation is constructed according to MCI and FCI data, and the MCI-FCI correlation equation and FTIR analysis are combined to complete the quantitative analysis and evaluation process of the service performance of the old modified asphalt pavement.