11results about How to "Reduce composition" patented technology

The invention relates to the technical field of soil layer drilling, in particular to an efficient underground water quality detection sampling device which comprises a base, a fixing seat is further arranged on the base, and a device storage structure and a sample storage structure are arranged on the left side and the right side of the fixing seat respectively; a supporting structure is further arranged in the middle of the fixing base and comprises a vertical plate, a transverse plate, an axial motor, a mounting base, a lead screw, a guide rod and a drill rod. The drill rod is connected with the mounting seat through a rotating piece; the drill rod comprises a drill bit, a rod body, a sampling water pump and a sampling pipe; a sampling hole is further formed in the drill bit, and a liquid collecting cavity which is coaxially distributed is formed in the center in the rod body; a first cavity and a second cavity which are distributed from inside to outside are further formed in the rod body and located on the outer side of the liquid collecting cavity, and the sampling hole extends inwards, penetrates through the first cavity and the second cavity and is communicated with the liquid collecting cavity. The device is reasonable in structural design, filtering, collecting, sampling and storing operation of underground water at different heights can be completed on the basis that efficient drilling of underground water soil layers at different depth positions is achieved, and the using effect is good.

The utility model relates to the related technical field of automobiles, in particular to an automobile self-suction lock assembly which comprises a bottom plate and a spring bolt, one side of the surface of the bottom plate is connected with a locking buckle, one side of the surface of the locking buckle is connected with the spring bolt in a buckled mode, one side of the surface of the spring bolt is connected with a first torsional spring, and the other side of the surface of the first torsional spring is connected with a second torsional spring. One side of the surface of the cover plate is connected with an unlocking linkage rod, and one side of the surface of the unlocking linkage rod is connected with an unlocking magnet seat. According to the automobile self-attraction lock assembly, firstly, the lock end inhaul cable is pulled, so that the lock end inhaul cable drives the unlocking linkage rod to move, the unlocking linkage rod drives the spring bolt to rotate, and therefore the locking buckle and the spring bolt are converted into a full-locking state from a semi-locking state, when unlocking is needed, firstly, the unlocking magnet base is activated through electric energy, so that the unlocking magnet base generates magnetic force, and then the locking buckle and the spring bolt are unlocked. When the child lock is opened, a vehicle door cannot be opened from the inside, and therefore safety accidents caused by the fact that a child opens the vehicle door by mistake are avoided.

The invention provides an aircraft tail electric air-drop cargo hold door, and belongs to the technical field of aircraft cabin doors, the air-drop cargo hold door comprises a cabin door body, the cabin door body is hinged to a cabin door mounting frame of an aircraft body structure through cabin door hinges, and a plurality of stop hook assemblies are arranged on the edge of the cabin door body; the locking hook assembly is connected with the fuselage structure when the air-drop cargo hold door is closed, so that the load of the air-drop cargo hold door is transmitted and diffused to the fuselage structure through the cargo hold door hinge and the locking hook assembly; one end of the cabin door electric actuator is connected with the cabin door body, the other end of the cabin door electric actuator is connected with the actuator mounting frame of the fuselage structure, and the cabin door electric actuator is used for driving the cabin door body to move; the guide assembly is arranged on the edge of the cabin door body and used for guiding when the cabin door body is closed or opened; and the lock mechanisms are arranged on the two sides, away from the cabin door hinge, of the cabin door body and used for locking the cabin door body at the closing position when the cabin door electric actuator closes the cabin door body.

The present application relates to a kind of water unmanned surface vehicle high-speed diesel engine generator set lubricating oil automatic filling system, including pipeline system, the specific structure of pipeline system is as follows: including lubricating oil storage cabinet, the bottom of lubricating oil storage cabinet is provided with oil outlet, oil outlet is connected with pipeline, pipeline is branched with multiple branch pipes, generator set is installed on each branch pipe, remote control valve is installed at the oil pipe of each generator set, manual valve is installed on the pipeline at oil outlet;For when in water unmanned surface vehicle in semi-autonomous or full autonomous navigation, the device can automatically fill the lubricating oil to generator set diesel engine oil sump according to lubricating oil consumption condition.This system is mainly aimed at the generator set using high-speed diesel engine as prime mover, without large-scale modification to generator set.In the process of lubricating oil filling, the whole system is automatically controlled by program, without remote control operation by personnel, improve the integration of lubricating oil system, enhance the endurance and self-support of unmanned surface vehicle.

The present invention discloses a multi-mode wireless satellite communication terminal, which integrates FDMA and TDMA communication modules and an integrated management module, and realizes wireless access of user wireless terminals by embedding WIFI and LORA units in the integrated management module, and realizes various communication applications through a satellite communication gateway. Furthermore, the present invention also discloses a user terminal, a communication method, and a multi-mode wireless satellite communication system corresponding to the terminal. The present invention can realize seamless switching of FDMA and TDMA satellite communication systems and transmission modes according to the type of communication service, and support wireless access of satellite earth station users at the same time, thereby flexibly and conveniently realizing human-computer interaction and communication service applications, greatly improving the user experience.

The utility model discloses a device for stopping an elevator main machine from tilting. The device comprises a traction base, a traction base and a plurality of damping devices, the traction base comprises two longitudinal bottom beams located at the bottom of the traction base. The damping device comprises a buffer unit, an upper connecting seat and a lower connecting seat; the upper connecting seat is mounted on the longitudinal bottom beam; the lower connecting seat is mounted on the traction base in a position adjustable manner; an anti-inclination matching groove is formed in the longitudinal bottom beam, and an anti-inclination matching hole communicated with the anti-inclination matching groove is formed in the bottom of the longitudinal bottom beam; the lower connecting base is provided with an anti-inclination device, the anti-inclination device comprises an anti-inclination support and an anti-inclination matching part arranged at the upper end of the anti-inclination support, the anti-inclination matching part is located in the anti-inclination matching groove, and the lower end of the anti-inclination support penetrates through the anti-inclination matching hole to be connected to the lower connecting base. According to the installation structure of the anti-inclination support, an original damping device and an original traction base of the elevator are fully utilized, the purpose of reducing elevator component parts is achieved, the manufacturing cost of the elevator is effectively reduced, and the production benefit is improved.

The invention provides a water-based finish paint with both high toughness and high hardness, and a preparation method and application thereof, the water-based finish paint comprises the following components by weight: 45-55% of water-based resin; 5-7% of amino resin; 3-6% of silver powder; 2-6% of a coalescing agent; 2-3% of a cross-linking agent; 1-5% of nano ceramic powder; 0.3-2% of a coupling agent; 13 to 30% of deionized water; and 0.6 to 2.4% of an auxiliary agent. The water-based finishing coat with specific components and proportions enables the product to have the properties of 0T and 4H at the same time; compared with oil paint, the water-based paint is more green, environment-friendly, healthy and safe, the product meets the ROHS technical standard, the VOC content is reduced, toxic and harmful substance composition in the paint is reduced, and a healthy and safe use environment is provided for production, transportation, storage, use and the like of paint and metal coiled material manufacturers.

The application relates to a communication device, a multi-frequency array antenna and a manufacturing method thereof, and the multi-frequency array antenna comprises a reflecting plate, at least one high-frequency subarray and at least one first phase shifter. The high-frequency subarray comprises a plurality of high-frequency radiation units which are connected with the reflecting plate and are arranged in sequence and at intervals. Since one of the main body part and the top panel shares the reflecting plate, the first phase shifter can be assembled simply, the material composition is reduced, the consistency and assembly efficiency of the antenna are improved, and the flexibility of the integrated antenna design is improved. In addition, the other part is integrally extruded and produced separately, the production efficiency is higher, the part can be replaced and maintained flexibly according to actual needs, the cavity design is flexible, the cavity spacing and boundary can be optimized according to the antenna design, and the design popularization and serialization of the antenna are facilitated. In addition, the main body part and the top panel of the cavity constituting the first phase shifter are easy to process and have few post-processes, are not prone to errors, and thus the yield is high and the replacement of the parts is facilitated.

The invention belongs to the technical field of aerobic composting, and particularly relates to a method for preparing an organic fertilizer from vegetable sick and stubborn plants and application of the prepared organic fertilizer. The composition structure of microorganisms in the preparation raw materials can be optimized through the aerobic composting process, more non-pathogenic microorganisms are enriched into the organic fertilizer, breeding of pathogenic bacteria can be inhibited through increase of the non-pathogenic microorganisms, composition of the pathogenic bacteria in the organic fertilizer is reduced, and an organic fertilizer product with disease inhibiting and growth promoting effects is produced. The method provided by the invention not only is beneficial to sustainable management of vegetable wastes, but also solves the contradiction between the existing vegetable sick and stubborn plants and soil-borne diseases.

The invention provides a calcite type flaky calcium carbonate grease and a preparation method thereof, and the method is as follows: 20-40 parts of high-alkaline calcium sulfonate, 10-30 parts of an organic solvent and 2-10 parts of distilled water are stirred uniformly at 20-50 DEG C. Then 2-8 parts of a morphology control agent is added, CO2 gas is introduced, and the reaction is carried out for 1-3 hours. Then solid-liquid separation, washing and drying are carried out to obtain a calcium carbonate thickening agent; 20-60 parts of calcium carbonate thickening agent powder, 40-80 parts of base oil are uniformly mixed, and stirring thickening reaction is carried out at 160+ / -10 DEG C for 30-90 minutes, then the temperature is continuously kept at 200+ / -20 DEG C for 10-20 minutes, and after cooling, grinding is carried out, and the calcium carbonate grease is obtained. The method has low cost, simple raw materials and preparation process, stable production batch, and can effectively solve the problems of unstable grease batch, complex preparation process and the like. The calcium carbonate grease prepared by the method has outstanding high-temperature tribological properties, the drop point is higher than 385 DEG C, the shear stability and extreme pressure performance are excellent, and the lubrication requirements under harsh working conditions such as high temperature and high load can be met.

The application provides a power supply and navigation integrated structure and navigation method of a navigation device, comprising an LCC-S type compensation network, the network comprising a primary coil and corresponding two secondary coils, each secondary coil being connected with a first compensation capacitor, the structure further comprising: a second compensation capacitor and a controller, the second compensation capacitor being connected in series with the first compensation capacitor, the capacitance value of the second compensation capacitor being determined according to the mutual inductance value and the angular frequency of the secondary coil; the controller being connected with the two secondary coils respectively, receiving the output voltages of the two secondary coils, and navigating the target navigation device according to the voltage difference; the output ends of the two secondary coils being connected in series and connected with the power supply end of the target navigation device for power supply. Through the power supply and navigation integrated structure and navigation method of the navigation device provided by the application, the navigation and charging are unified through the compensation capacitor, and the navigation precision and charging efficiency of the navigation device are improved.