19results about How to "No structural damage" patented technology

The invention relates to recycling treatment of waste lithium iron phosphate batteries, and provides a method for recycling metals in waste lithium iron phosphate batteries based on advanced oxidation and application. The type of the waste lithium battery is a soft package type lithium iron phosphate battery, a positive electrode material in the waste lithium iron phosphate battery is obtained through simple discharge and disassembly of an instrument, after grinding, positive electrode material powder and an oxidizing agent are mixed and reacted with water in a reactor according to a certain proportion, lithium ions are released into an aqueous solution, and the lithium ion battery is obtained. Sodium carbonate is added for evaporation and filtration, and lithium is recycled in the form of lithium carbonate. The invention provides a new scheme for selectively recovering lithium in the waste lithium iron phosphate battery, and the scheme has the characteristics of simple recovery process and high efficiency.

The utility model discloses an inside rear-view mirror integrated with a monitoring system, which belongs to the technical field of inside rear-view mirrors, and is characterized by comprising a shell and a lens, a camera module is arranged in the shell, the camera module is positioned behind the lens, the camera module comprises a DMS camera and an OMS camera, and the DMS camera and the OMS camera are arranged in the shell. The DMS camera and the OMS camera respectively collect images of a driver and passengers in the vehicle through the lenses; the automobile interior rearview mirror has the advantages that the camera module is integrated in the interior rearview mirror, so that a hole is prevented from being formed in an interior trim, the structure in an automobile does not need to be damaged, and meanwhile, the shooting angle is wider.

The present application relates to the field of sodium hyaluronate preparation, in particular to a preparation method of low molecular weight sodium hyaluronate. Specifically comprising the following steps: stirring and dissolving macromolecular weight sodium hyaluronate powder into water at 45-60 DEG C to obtain a macromolecular weight sodium hyaluronate solution; cooling to 35-45 DEG C, adding a buffer solution and mixing uniformly, then adding papain and hyaluronidase with a mass ratio of (2-3):(3-6) for enzymatic reaction to obtain an enzymatic solution; adding sodium hydroxide solution to the enzymatic solution, adjusting pH to 7.5-9.0, heating to 80-90 DEG C for 20-40 minutes, then filtering to obtain a low molecular weight sodium hyaluronate solution; spray drying, and the process is simple, the conditions are mild, the product structure is not damaged, and the prepared low molecular weight sodium hyaluronate has high purity, uniform molecular weight distribution and good permeability.

The utility model discloses a modularized buoyancy tank platform for water operation, which comprises a buoyancy tank module and a connecting component, a plurality of connecting grooves are arranged along the peripheral side wall of the buoyancy tank module, and the connecting grooves extend from the top of the buoyancy tank module to the bottom of the buoyancy tank module; the connecting assemblies can be inserted into the two opposite connecting grooves in the vertical direction. The connecting assembly comprises a first locking piece and a second locking piece, the first locking piece is located at the bottom of the second locking piece, the second locking piece comprises a connecting block, an opening assembly and a clamping assembly, a containing cavity is formed in the connecting block, the opening assembly is arranged in the containing cavity in the vertical direction, and the clamping assembly is arranged in the containing cavity in the horizontal direction; the opening assembly is located at the top of the clamping assembly. When the modular buoyancy tank platform is assembled, the purpose of connecting the buoyancy tank modules is achieved by inserting the connecting assemblies into the opposite connecting grooves of the adjacent buoyancy tank modules, when the modular buoyancy tank platform is disassembled and assembled, the connecting assemblies are taken out of the connecting grooves after the fastening connection between the connecting assemblies and the connecting grooves is removed, and the disassembling and assembling efficiency of the modular buoyancy tank platform is improved.

The application discloses a photovoltaic junction box defect detection system and method based on eddy current excitation and infrared thermal imaging coupling technology, and relates to the field of photovoltaic junction box defect detection.The photovoltaic junction box defect detection system comprises an eddy current excitation module, which is used for applying an alternating magnetic field to a photovoltaic junction box to be detected, so that eddy currents are induced in the internal conductors of the photovoltaic junction box, and differential Joule heat responses are formed at the welds in different contact states; an infrared thermal imaging module, which is used for collecting temperature distribution information of the surface of the photovoltaic junction box and generating a thermal image sequence; and an intelligent algorithm module, which is electrically connected with the infrared thermal imaging module and is used for processing the thermal image sequence, wherein the intelligent algorithm module comprises an image preprocessing unit, a multi-scale wavelet decomposition unit, a variable point detection unit and a defect judgment unit connected in sequence.The application can intensify defect signals through active eddy current excitation, and can detect early and mild false-weld defects by using a targeted variable point detection algorithm and being sensitive to weak temperature rise signals.

This utility model relates to the field of surface acoustic wave (SAW) filter technology, and particularly to a temperature-compensated SAW filter, comprising a wafer, a first mass load structure disposed on the wafer, an interdigital transducer disposed on the wafer and covering the first mass load structure, a first temperature compensation layer disposed on the wafer and covering the interdigital transducer, a second mass load structure disposed on the first temperature compensation layer, and a second temperature compensation layer disposed on the first temperature compensation layer and covering the second mass load structure; the first mass load structure is disposed in the finger strip region of the interdigital transducer; this utility model provides a temperature-compensated SAW filter with a simple structural design, avoids corrosion of the interdigital transducer during the operation of the mass load structure, and facilitates the suppression of clutter by the mass load structure.

The utility model belongs to door and window technical field, concretely relates to a reconstruction type window of old window frame free disassembly. The utility model discloses: inner window frame, the outer window frame of sealing connector and inner window frame connection, inner extension board, install the lower end surface of inner window frame, protection assembly, install the lower end surface of outer window frame, protection assembly includes the snap -in boss of fixed setting on the outside of outer window frame, and the snap -in piece of " 7 " type snap -in cooperation with snap -in boss, inner window frame, outer window frame and window body set up on the old window frame that needs reconstruction, and inner extension board, " 7 " type snap -in piece all extend to the lower end surface of old window frame, and inner extension board, " 7 " type snap -in piece and old window frame between set up the filler for sealing fastening. The reconstruction type window of the utility model does not need to remove the old window frame as a whole, need not to destroy wall body structure, simplifies construction process and cost controllable.

The utility model discloses an assembly-type length-adjustable stair edge temporary protective barrier, relates to the technical field of building construction safety, and aims to solve the problems that in the prior art, an electric drill is adopted to drill a hole to drive an expansion bolt to fix the barrier, the structure is damaged, the bolt needs to be cut when the temporary protective barrier is dismounted in the later period, labor and time are wasted, and the construction efficiency is high. According to the scheme, the device comprises a fixing mechanism and a connecting mechanism, and the fixing mechanism comprises a bottom plate and a fixing frame fixed to one end of the top of the bottom plate. The stair protective barrier does not need to be fixed in a structural drilling mode, structural damage is avoided, construction operation difficulty is reduced, assembly and disassembly are easy, convenience and rapidness are achieved, the construction period is shortened, and overall stability is improved. The length of the thin cross rod inserted into the thick cross rod is adjusted to adapt to different vertical rod intervals, and the telescopic function is achieved. And therefore, the phenomenon of material waste is reduced, and the cost is saved.

This invention relates to a wall panel, a wall panel installation structure, and a construction method. The wall panel includes a panel body and a frame fixed to the back of the panel body and distributed around the edge of the panel body. Both the panel body and the frame are equipped with a front-to-back adjustment mechanism. An adjustment seat is installed on the back of the panel body via the front-to-back adjustment mechanism. A snap-fit ​​block is installed on the side of the adjustment seat opposite to the panel body. The panel installation structure includes a loading component and a dual-axis adjustment assembly. This invention integrates the front-to-back adjustment mechanism on the panel body and the frame, enabling fine-tuning of the panel after installation without disassembly. The threaded transmission combined with a guide and limiting structure improves the adjustment accuracy and controllability of the adjustment stroke, preventing swaying or shaking of the panel body during adjustment. The integrated design of the dual-axis adjustment assembly integrates the left-to-right and up-to-down adjustment modules onto the loading component, enabling non-destructive fine-tuning of the panel body in the left-to-right and vertical directions after installation.

The utility model discloses a prefabricated wallboard of integrated electrical pipeline, including prefabricated wall bottom plate, prefabricated wall panel, sound insulation material layer, reinforcing bar layer and buffer pad, the one side of prefabricated wall bottom plate is provided with integrated electrical pipeline mounting groove, the integrated electrical pipeline mounting groove is arranged fixed with integrated electrical pipeline through the fixed clamp of installation, the prefabricated wall bottom plate is opened with the docking groove, the prefabricated wall panel is installed with the docking rod, the docking rod is connected with docking groove slidingly, the prefabricated wall panel is opened with fixed screw hole B, the docking rod is opened with fixed screw hole A, fixed screw is installed in fixed screw hole A and fixed screw hole B with fixed screw hole B. The utility model makes the layout of electrical pipeline more flexible, and the electrical pipeline can be adjusted flexibly after the installation of prefabricated wall panel, increases the flexibility and variability of building internal space layout, does not need to destroy wall structure, greatly improves construction efficiency and the convenience of later maintenance.

The utility model discloses an adjustable test bench, including the test mesa, be provided with the adjusting panel on the test mesa, be provided with a plurality of height adjusting holes and a plurality of mounting holes on the adjusting panel, rotate and set up the butterfly bolt for adjusting the height of adjusting panel on the test mesa in any height adjusting hole, be provided with the corner aluminum for the tight fixed position fuel tank through the bolt fixed connection on any mounting hole, and the precise adjustment of the horizontal height of fuel tank is completed to the application with butterfly bolt, satisfies the demand for the horizontal placement of fuel tank in the fuel tank test process.

This invention discloses a special elastic element for ultra-wear-resistant, long-life, modular multi-directional displacement bridge expansion joints, belonging to the field of bridge engineering materials. The composite elastomer body includes a rubber spring, a side beam rubber bearing, and a rubber support. The elastic element comprises a composite elastomer body and a multi-layered reinforced steel skeleton embedded within it. The composite elastomer body is composed of the following components by weight: 100 parts chloroprene rubber, 30-50 parts ultra-wear-resistant sliding material ZMSM system, 5-15 parts anti-fatigue aging system, and 3-8 parts processing aids. The reinforcing and wear-resistant system includes high-wear-resistant sliding material ZMSM carbon black and nano-ceramic particles. Through nanomaterial reinforcement and a unique C-shaped structure design, this invention enables the elastic element to not only possess ultra-high wear resistance and fatigue aging resistance, but also achieve flexible multi-directional displacement in the longitudinal, lateral, and vertical directions, effectively ensuring the displacement uniformity of the modular expansion joint and significantly improving the overall service life of the bridge expansion joint.

The present invention discloses a detachable self-locking retaining ring nut assembly, which relates to the technical field of self-locking nuts, including a nut assembly body, the nut assembly body including a tightening part body, a movable part body and two retaining rings, the surface of the retaining ring close to the movable part body is fixedly connected with two mounting blocks, the surface of the movable part body is symmetrically provided with mounting grooves, the surface of the movable part body is fixedly connected with a shell, the movable part body is provided with a cavity matched with the shell, pressure plates are arranged on both sides of the shell, a locking component is also included to make the two pressure plates move back to back, a reset component and two groups of early warning components are also included to limit the positions of the two pressure plates, and the two pressure plates can be quickly reset when reset, and the two groups of early warning components are used to improve the safety of the two pressure plates. The present invention has the effect of improving the convenience of maintenance and facilitating the use of personnel through the mutual cooperation between the above structures.

The utility model discloses a crushed soil sieving device which comprises a shell, a crushing module, a sieving module, a storage device and a recovery module, the crushing module, the sieving module, the storage device and the recovery module are installed in the shell, the output end of the crushing module is in butt joint with the sieving module, the storage device is arranged below the sieving module, and the sieving module is rotatably and obliquely arranged in the shell; the recycling module comprises a collecting frame, a telescopic rod, a guide rail and a first driving motor, the guide rail is installed above the smashing module, the telescopic rod is slidably arranged on the guide rail and driven by the first driving motor to move on the guide rail, the collecting frame is installed at the output end of the telescopic rod, and the telescopic rod is used for conveying the collecting frame to be in butt joint with the screening module. Or the collecting frame is conveyed to the position above the smashing module, and a third controllable door is arranged at the lower end of the collecting frame. The device disclosed by the utility model can be used for sequentially drying, crushing and screening, and finally storing and taking out the soil sample, so that the soil sample can be ensured to be dry without damaging the structure of the soil sample, and the utilization rate of the soil sample is improved by utilizing the recycling module.

The invention relates to the technical field of steel beam hoisting construction, in particular to a steel beam hoisting clamp and a checking method. According to the hoisting clamp, the two movable clamping blocks are arranged on the clamp body, the two movable clamping blocks clamp and fix the steel beam by adjusting the positions of the movable clamping blocks, the lifting lug holes are formed in the clamp body, and compared with the mode that lifting lugs are welded to the steel beam, the hoisting clamp has the advantages of being convenient to disassemble and assemble, easy to operate, free of damage to the steel beam structure, capable of being used repeatedly and the like; a macroscopic finite element model with the same size as an actual steel beam is established, a fine finite element model of a hoisting clamp and a beam unit is established, and constraint is established between the two models to form a multi-scale combined model, so that the stress change of the hoisting clamp and the steel beam closer to an actual working condition can be accurately simulated; therefore, whether the stress values of the hoisting clamp and the steel beam exceed the strength boundary of the hoisting clamp and the steel beam or not is judged more accurately, and a more accurate technical guarantee is provided for hoisting construction.

The application discloses a modification method for realizing the conductivity of basalt fiber. The method forms a conductive polymer on the surface of the basalt fiber through an in-situ polymerization method, so that the basalt fiber is endowed with conductivity. The method can control the particle size of the conductive polymer, the coating thickness and the conductivity of the basalt fiber by adjusting experimental parameters such as the types and concentrations of monomers, oxidants and dopants and the polymerization reaction time. The method is simple and efficient in manufacturing process, and is strong in controllability of structure and performance. The modified basalt fiber has good conductivity, and the resistivity of the basalt fiber is adjustable in the range of 1~10 ‑3 Ω·cm, which widens the application of the basalt fiber in the fields of electromagnetic shielding and electrostatic protection. Moreover, the method does not damage the structure of the fiber itself while realizing the conductivity of the basalt fiber, and improves the mechanical performance of the basalt fiber to a certain extent.

The invention relates to the technical field of suspended ceilings, and discloses a refrigeration house suspended ceiling which comprises a clamping opening plate, a hanging rod, a sandwich plate, a connecting screw rod and a connecting beam, the clamping opening plate is provided with a clamping opening for placing a purline, and the hanging rod penetrates through a via hole to be in threaded connection with a positioning nut. The locking nut is in threaded connection with the hanging rod, the limiting pressing plate is pressed on the bottom face of the purline, the limiting upper plate abuts against the purline, and a connecting piece is arranged at the lower end of the hanging rod; a connecting hole is formed in the connecting plate, a screw rod of the connecting screw rod penetrates through the connecting hole and the matching hole from bottom to top and is connected with the connecting piece, the matching hole is filled with a heat preservation foaming agent, a screw head of the connecting screw rod tightly presses the connecting plate on the bottom surface of the sandwich panel, and a heat insulation rubber pad is arranged between the screw head of the connecting screw rod and the connecting plate; the invention further discloses an installation method of the refrigeration house suspended ceiling. The clamping opening plate is fixed to the purline, the original structure of a roof is not damaged, overall installation is convenient, a cold bridge is prevented, and the heat insulation and heat preservation effect of the refrigeration house suspended ceiling is improved.

The excavator bucket capable of fixing the steel plate comprises an excavator bucket body, a buckle used for clamping the edge of the steel plate is arranged on the inner side of the excavator bucket body, and the buckle comprises an opening used for clamping the edge of the steel plate. According to the excavator bucket capable of fixing the steel plate, the steel plate is supported through the bucket body, the edge of the steel plate is clamped through the buckles, the steel plate can be more stable and not prone to falling off in the carrying process, potential safety hazards are reduced, and the construction process is safer; compared with a common excavator bucket, the excavator bucket with the buckles can lift and fix a steel plate more quickly, excessive invalid attempts are reduced, and the working efficiency is improved; and meanwhile, the buckle does not damage the whole structure of the excavator bucket, so that the normal use of the excavator bucket is not influenced.