11results about How to "Ensure compactness" patented technology

The utility model provides a tool-free buckle type hoop device for underground pipeline monitoring, which relates to the technical field of engineering monitoring and comprises an upper hoop, a hoop fixing component is arranged on the lower side of the upper hoop, a spring sleeve is welded to the center of the inner side of a slot, a telescopic spring is mounted on the inner side of the spring sleeve, and the telescopic spring is connected with the hoop fixing component through a bolt. Sleeve holes are formed in four corners of the spring sleeve; according to the hoop fixing assembly, the rack below the upper connecting plate is clamped into the inserting groove of the lower connecting plate along with the upper hoop, the rack can extrude the telescopic toothed plate to be meshed with the telescopic toothed plate, in the process, the telescopic spring is pressed to generate elastic force to push the telescopic toothed plate to be meshed tightly, firm connection is ensured, looseness is prevented, and the service life of the telescopic toothed plate is prolonged. And the two sets of racks are synchronously meshed with the telescopic toothed plate, a double-locking mechanism is formed, the tensile strength is enhanced, it is guaranteed that no displacement exists at the connecting position, and the durability of the whole structure is improved.

The application discloses an electrochemical noise corrosion state identification and early warning method and system, and belongs to the technical field of corrosion monitoring and early warning. The method collects the potential noise signal and the current noise signal of the target component through an electrochemical workstation and calculates the noise resistance, adopts db4 wavelet for multi-layer wavelet decomposition and threshold denoising processing, extracts the kurtosis feature, the skewness feature and the wavelet coefficient feature, and constructs a corrosion state identification and early warning data set after feature screening; a fusion model including an LSTM time sequence feature extraction layer and an Attention attention weight distribution layer is constructed for training, and a corrosion state identification model is obtained; the real-time collected and processed feature parameters are input into the model for identification, the proportion of a specific corrosion state in a preset time period is counted, and a blue, orange or red graded early warning is triggered. The application realizes high-precision identification and accurate graded early warning of the corrosion state, the identification accuracy is above 85%, and reliable technical support is provided for industrial component corrosion protection.

This invention relates to the field of building engineering technology, specifically to a non-vibration pressure grouting construction method for tall steel-concrete composite columns. S1: Grouting holes are opened at the bottom of the steel-concrete column, and vent holes are opened at the top. S2: A grouting connection structure is installed, and a grouting connection pipe is welded at an acute angle to the column axis and extends into the column. A check valve is installed on the pipe, and reinforcing ribs are welded between the pipe and the column. S3: Pressure grouting is performed from the compacted concrete until it overflows from the vent holes. S4: After the concrete has settled naturally, secondary grouting is performed until it overflows from the vent holes again. S5: The check valve is closed to prevent backflow. S6: The grouting holes are sealed after the concrete reaches 70% of its design strength. This invention, through a grouting connection structure with a check valve and reinforcing ribs, combined with a secondary grouting process, systematically solves the problems of concrete backflow, insufficient compaction at the top of the column, and easy damage to the connection structure during the initial jacking process of ultra-high-rise buildings. It significantly improves construction quality, safety, and efficiency, and is applicable to the construction of tall steel-concrete composite columns in industrial and civil buildings.

The utility model discloses a kind of plastic forming devices for magnesite-carbon brick processing, it is related to the field of magnesite-carbon brick processing, including mounting base, mounting base top is fixedly installed with guide rail, hoisting platform is erected in guide rail upper portion, installation frame is slidably installed in guide rail middle portion, plastic forming frame is embedded in installation frame interior, closed component is movably arranged in guide rail one side interior, multiple hydraulic cylinders are hoisted in hoisting platform bottom, lifting plate is fixedly installed in hydraulic cylinder bottom, plastic forming press plate is screw-mounted in lifting plate bottom, suction pump is fixedly installed in lifting plate top, discharge component is equipped in guide rail middle portion both sides;The utility model is a kind of plastic forming devices for magnesite-carbon brick processing with double-station alternate operation and suction exhaust function, can realize continuous efficient production.

The present invention discloses a flame-retardant, thermal-insulating, and fireproof material for batteries, and relates to a silicone rubber flame-retardant and thermal-insulating material, which comprises a flame-retardant and thermal-insulating layer and an impact-resistant layer, wherein the flame-retardant and thermal-insulating layer comprises organic silicone rubber, a ceramic-forming filler, a flame retardant, an auxiliary agent, and glass powders with different initial melting temperatures, and molten-state temperature ranges of the glass powders cover 300 °C to 1500 °C. Various glass powders with different molten-state temperature ranges are added to the material, so that when being burned to form a ceramic layer in the temperature range of 300 °C to 1500 °C, the fireproof material always has glass powders in a molten state. The glass powders in the molten state can timely fill holes and cracks that appear at different temperatures in the ceramic layer, and ensure the continuity, integrity, and compactness of the ceramic layer as far as possible, so that the fireproof material has the characteristics of quick ceramic formation at a low temperature and high temperature resistance of about 1500 °C. The problems that the existing glass powder has a single molten-state temperature range, holes are produced in the ceramic layer due to gasification of the glass powder at a high temperature, the structural compactness is reduced, and the ceramic layer is easily burned through are solved.

The application discloses a kind of intelligent referee feedback method and system, comprising: obtaining ruling event and its corresponding confidence, generate corresponding event signal based on the type of ruling event;Based on the local number information and scoring information of scoring terminal, it is judged whether process event occurs, generate corresponding process signal based on the type of process event;According to event signal, generate first control instruction to scoring terminal;According to event signal and / or process signal, generate second control instruction to athlete interaction terminal.This application makes that from event identification, ruling operation, scoring operation to competition process advancement forms a complete automation closed loop, completes each round from service to score, exchanges ball right and so on automation, continuous judgment, substantially reduces the game interruption and delay caused by artificial judgment, communication and operation, ensure the compactness and continuity of game;Solve the problem that current pickle ball game professional referee is less, difficult to hold large-scale competition.

The present application relates to a kind of SAR satellite vacuum thermal test method based on phased array feed system, first, passive reflector antenna is removed and is verified separately, realizes system decoupling.Phased array feed thermal test system and satellite body thermal test system are constructed, and two are physically isolated in same vacuum environment simulator by cold plate, to realize the parallel test of load and platform.Based on the size of phased array feed, the size of wave-absorbing box containing silicon carbide sharp cone wave-absorbing material is determined;Based on the size of satellite body, the size of its infrared cage is determined;Further, the size of cold plate is determined and appropriate vacuum tank is selected;Finally, the synchronous test of two systems is realized through cable connection.The present application significantly shortens the test cycle, reduces cost and risk through parallel test architecture, and ensures the authenticity and effectiveness of the test through accurate size chain design and independent thermal environment control, providing an efficient and reliable solution for vacuum thermal test of similar complex satellites.

This utility model discloses a safe and protective hand-push hydraulic pump station, mounted on a chassis with casters for transporting the pump station. It includes: an outer shell, mounted on the chassis and used to hold other items; a sealing door, mounted on the chassis and used to seal the outer shell, with a support surface for support; and a hook rod for hooking the sealing door, relieving the connection pressure between the sealing door and the chassis. This safe and protective hand-push hydraulic pump station features an internal compartment that, in conjunction with the sealing door, forms a closed storage space. This space allows for the categorized storage of tools, accessories, and other items required for hydraulic pump station operation, significantly improving work efficiency. The support surface on the sealing door, in conjunction with the hook rod, not only relieves the connection pressure between the sealing door and the chassis, preventing structural fatigue from prolonged opening and closing, but also allows the hook rod to be stored in a recessed area when the sealing door is open, ensuring the overall structural compactness and ease of operation.

The utility model discloses a kind of endoscope anastomat nail abutment and endoscope anastomat, nail abutment includes nail abutment body, cutting knife sliding groove is equipped in the middle part of nail abutment body, at least four rows of nail groove groups with cutting knife groove as center symmetry arrangement are arranged on the surface of nail abutment body, the arrangement direction of at least two rows of adjacent nail groove in nail groove group is cross arrangement. By the above mode, the utility model can make suture nail line more closely by optimizing nail groove arrangement mode, ensure that suture site airtightness and connection tightness, can cope with complex tissue environment, adaptively suture uneven tissue, substantially reduce tissue leakage or hemorrhage risk, reduce complication, improve surgical suture effect.

The utility model belongs to the technical field of sports equipment manufacturing equipment, concretely relates to a basketball inner bag surface thread winding and gluing integrated device, including support platform, the support platform top is fixedly installed with the casing, is provided with the anti -jump subassembly in the casing top, is provided with a plurality of groups of movement subassembly in the casing inside, is fixedly installed with the support frame in support platform top one side, is provided with the gluing device in support frame near the casing one side, is fixedly installed with the yarn frame in support frame one side, is fixedly installed with a plurality of wire guide shafts in yarn frame far from support frame one side top, is provided with the L type support that is fixedly connected with support frame in yarn frame top, is fixedly connected with the wire guide plate under L type support, can carry out a plurality of working procedures to basketball inner bag simultaneously, increase the production efficiency of equipment, and when gluing to basketball inner bag, can recycle the redundant glue, thereby realize the recycling of glue solution, both save the production cost, and reduce the influence of waste glue to the environment.

The application discloses a method for enhancing the hardness of W-Cu composite material by W atomic cluster powder, and belongs to the technical field of hardness enhancement of W-Cu composite material. The method comprises the following steps: step SS1: W atomic cluster powder, tungsten powder and copper powder are added into a ball mill in a protective atmosphere glove box for ball milling to prepare a composite powder; and step SS2: the composite powder obtained in the step SS1 is added into a hot-pressing furnace for hot-pressing sintering to obtain a composite material. The W atomic cluster powder, the tungsten powder and the copper powder are mixed by a planetary ball mill to prepare the composite powder, and then the composite material is obtained by hot-pressing sintering, so that the hardness of the W-Cu composite material is greatly improved, and the technical guidance is provided for the development of high-performance tungsten-copper composite material applied to the research and development of major equipment such as brush material, abrasive electrode material, friction material and electromagnetic gun track.