31results about How to "All-in-one connection" patented technology

The invention discloses an LED display screen which comprises a box body, a display module and a sealing ring. The display module is arranged on the box body, and the sealing ring is arranged between the box body and the display module. The surface of the box body is provided with an opening. The display module is electrically connected with a circuit board inside the box body through the opening. The display module comprises a module body and an installation base arranged on the back side of the module body. The installation base is used for installation of the sealing ring. The sealing ring surrounds the periphery of the opening and is arranged between the installation base and the surface on the periphery of the opening in an elastic extrusion mode so as to seal a gap formed between the back side of the module body and the surface on the periphery of the opening. The LED display screen is simple in waterproof structure and good in waterproof effect, and can achieve the waterproof level being IPx5.

The invention relates to the technical field of rail transit, and discloses a lightweight environmental-friendly high-speed train middle roof plate and a preparation method thereof. The lightweight environmental-friendly high-speed train middle roof plate comprises fibrilia composite middle roof plate bodies serving as a middle roof plate main body and provided with arc-shaped faces, and metal reinforcing ribs for reinforcing the fibrilia composite middle roof plate bodies, each fibrilia composite middle roof plate body comprises a front face layer, a middle layer and a back face layer which are sequentially connected in an overlapped mode, the middle layers are fibrilia felt layers made of composite fiber of fibrilia and polypropylene fiber, the front face layers and the back face layersare both non-woven fabric layers, the metal reinforcing ribs are connected with the back face layers of the fibrilia composite middle roof plate bodies, and steps used for mutual butting connection between every two adjacent fibrilia composite middle roof plate bodies are arranged on the side faces of the fibrilia composite middle roof plate bodies. The high-speed train middle roof plate is lightweight, and environmental protection performance of the middle roof plate is further improved.

The invention belongs to the technical field of electric power facilities, and provides an integrated prefabricated assembly type cable trench and cable well, and the cable trench comprises a cable trench which comprises a plurality of pipe joint units, each pipe joint unit comprises two first side plates, and the two sides of each first side plate are provided with first connecting assemblies used for connecting the pipe joint units; the cable well comprises a side frame structure, cable trench holes are formed in the periphery of the side frame structure, and a plurality of second connecting assemblies used for being connected with cable trenches are arranged on the left side and the right side of each cable trench hole. Compared with the prior art, the prefabricated cable trench and the prefabricated cable well are adopted, so that 100% assembly is realized, and the defects of high construction cost, long construction period, high maintenance cost and great environmental influence of cast-in-place are overcome; and the convenience of connection between the cable well and the cable trench and between the pipe joint units of the cable well is realized through the second connecting assembly and the first connecting assembly, and the problem of connection damage of the cable trench crossing the road under the action of automobile impact and fatigue load is effectively solved.

The invention discloses a hub motor with a built-in torque sensor. The hub motor comprises a motor body and a torque sensing box, an end cover front panel is installed on the front face of the motor body, the torque sensing box is installed on the front face of the end cover front panel, and a transmission rod is installed in an extrusion rotating wheel in a penetrating mode. A heat dissipation explosion-proof box is installed on the surface of the motor body, a sealing heat insulation module is installed on the front face of the transmission rod, two sets of winding columns which are symmetrically arranged are installed on the surface of the motor body, and two sets of correction boxes which are symmetrically arranged are installed on the surface of the rotor assembly. By installing a torque sensing box, a deformation stress block, a deformation resistance block, a first pressure sensor and a second pressure sensor, when the bicycle is started by riding from a static state or encounters resistance in the riding process, the power output of the motor is continuously adjusted and controlled according to the magnitude of the pedaling force of a rider through combination of real-time dynamic detection, and therefore, a rider is assisted to ride in a more labor-saving manner.

The invention discloses a take-up type motorcycle rainproof cover. The take-up type motorcycle rainproof cover is characterized by comprising a reel, a side plate, a cover plate and a rain cape. An axial longitudinal groove is formed in the reel, a pressing strip is arranged in the longitudinal groove, the pressing strip is detachably connected into the longitudinal groove through a screw, an unfolded position on the rain cape is pressed under the pressing strip, the pressing strip is flush with the outer surface of the reel or lower than the outer surface of the reel, the two ends of the reel are connected with bearings respectively, prism holes aligned to openings are formed in the ends of the reel, operating cranks matched with the prism holes are arranged, the lower edge of the cover plate is turned upwards to form a turnover groove, a pressing beam matched with the groove is arranged in the turnover beam, and the pressing beam is connected with a hoop through a screw penetrating through the bottom of the turnover groove; integral connection is tidier, a user cannot forget to carry the take-up type motorcycle rainproof cover, independent storage space exists, the take-up type motorcycle rainproof cover cannot be scraped, the rain cape is easy to replace after being damaged, a shell does not need to be replaced, and the use cost is low.

The invention relates to a twin dissimilar material composite radial flow impeller and a manufacturing process thereof. According to the structure, a connecting rotating shaft, a radial flow gas compressor impeller and a radial flow turbine impeller form a complete impeller structure through an integrated connecting process. According to structural dimension parameters of a turbine, a gas compressor and a rotor in a closed cycle power generation system, on the basis of determining dimension parameters and welding process parameters of an integrated connecting part of the connecting rotating shaft, the radial flow gas compressor impeller and the radial flow turbine impeller, machining of the integrated connecting part of the connecting rotating shaft, the radial flow gas compressor impellerand the radial flow turbine impeller is completed, integrated connection of the connecting rotating shaft and the radial flow gas compressor impeller and integrated connection of the radial flow gascompressor impeller and the radial flow turbine impeller are further completed, and finally machining of the composite radial flow impeller is conducted. The structure can effectively reduce the number of rotor parts of the power generation system, reduce the processing and assembling difficulty of a rotor assembly, improve the rigidity and strength of the rotor, and facilitate the guarantee of the reliability and service life of the system.

The invention relates to the technical field of electric power three-dimensional visualization, and further discloses a three-dimensional visualization system suitable for the electric power smart community. The system comprises a data processing module used for processing electric power smart community data, an electric power smart community model establishing module used for establishing an electric power smart community three-dimensional model, an electric power smart community model drawing module responsible for model drawing and visual display, a model transformation module, a model rendering module and a model operation module. The three-dimensional modeling method of the electric power intelligent community model building module comprises the following steps: taking positions of electric power equipment and an intelligent community space as discrete points to carry out triangulation network TIN subdivision based on a triangulation network growth method; and establishing a three-dimensional model of the power smart community based on the power equipment and the discrete points of the spatial positions of the smart community. According to the invention, the technical problemthat the current two-dimensional geographic information system cannot dynamically and visually reflect the power configuration and operation conditions in the smart community is solved.

The invention discloses a fabricated composite wallboard T-shaped constructional column and independent foundation connecting structure and a construction method, and relates to the technical field of fabricated constructional engineering. A T-shaped steel plate is welded to the bottom of a T-shaped constructional column reinforcement cage, a T-shaped notch is reserved in an independent foundation, steel plates are laid on the periphery of the notch, the whole steel plates are wedge-shaped, and the wedge-shaped steel plate laid on the inner side of the notch of the independent foundation in advance, the T-shaped steel plate at the bottom of the T-shaped constructional column and cast-in-place concrete interact. The T-shaped constructional column and the independent foundation form a whole, the pulling resistance of the constructional column is enhanced, the integrality is higher, more stable and firmer, a wall plate and a foundation beam are connected firstly, then the connecting part of the T-shaped constructional column and the independent foundation is poured through concrete, and connection of the T-shaped constructional column and the independent foundation is completed. The method is suitable for a large-quantity and wide-area low multi-layer fabricated (regenerated) concrete structure, and is excellent in anti-seismic property, ecological, environment-friendly, convenient to construct, economical and applicable.

The invention discloses a fabricated composite wallboard L-shaped constructional column and independent foundation connecting structure and a fabricated composite wall construction method.The fabricated composite wallboard L-shaped constructional column and independent foundation connecting structure comprises a foundation beam, an independent foundation, a foundation cushion layer and an L-shaped constructional column, the foundation cushion layer is arranged below the foundation beam and the independent foundation, and the independent foundation is arranged at the L-shaped corner of the foundation beam; the foundation beam and the independent foundation are poured into a whole on site through concrete, a concave groove with an upward opening is formed in the upper surface of the foundation beam, the lower portion of the assembly type composite wallboard is fixedly connected into the concave groove, the independent foundation is provided with an L-shaped groove, steel plates are embedded in the vertical faces of the sides of the L-shaped groove, the lower portion of the L-shaped constructional column is inserted into the L-shaped groove, and the lower portion of the L-shaped constructional column is fixedly connected with the L-shaped groove. The lower portion of the L-shaped constructional column and the independent foundation are poured together through cast-in-place concrete to form a whole, and the assembly type composite wall plate is fixedly connected with the L-shaped constructional column. Prefabricated construction of the constructional column is achieved, the wet construction workload on a construction site is greatly reduced, and the construction period is shortened.

The invention discloses a variable-component aluminum alloy high-strength and high-thermal-conductivity multifunctional integrated structure which comprises an aluminum alloy mounting boss, an aluminum alloy thermal management structure and a variable-component aluminum alloy transition structure, and an integral structure is formed through selective laser melting. The aluminum alloy mounting bossis used for connecting a carrier with a projectile body structure to form a main force bearing part of an integrated structure; the aluminum alloy thermal management structure is provided with a hollow inner flow channel and a flowing medium used for guiding heat to the area of the hollow inner flow channel in a high-power-density working environment; the variable-component aluminum alloy transition structure is located between the mounting boss and the heat management structure and used for achieving integrated connection of the aluminum alloy mounting boss and the aluminum alloy thermal management structure. The integrated structure has the advantages that the structure is simple, high-strength integrated connection of the two materials is achieved by adding the variable-component aluminum alloy transition structure, and the problem that the interface stress is large due to threaded connection or other indirect connection modes is solved.

The invention discloses a floor drain assembly. The floor drain assembly comprises a waterproof base, a floor drain and a telescopic connector, wherein the upper part of the telescopic connector is fixed on the waterproof base, and the lower part of the telescopic connector is fixed on a floor drain main body. The floor drain assembly has the advantages that waterproof integrated connection between the waterproof base and the floor drain main body is realized through flexible connection, between the waterproof base and the floor drain, of the telescopic connector, and a height position of thefloor drain can freely change as a corrugated connector can extend out and draw back, so that reliability of water prevention is guaranteed, gradient setting of pipeline water drainage is also guaranteed, and the waterproof property is not affected while the floor drain is treaded.

The invention relates to an air suspension for a vehicle. The air suspension comprises a first connecting support, a second connecting support and two third connecting supports. Wherein the first connecting support is connected with the third connecting support, and the second connecting support is connected with the third connecting support. Specifically, a vehicle front axle, a transverse thrust rod, a longitudinal thrust rod set, a shock absorber and a vehicle stabilizer bar are connected at the same time through the first connecting support and the third connecting supports. The first connecting support and the third connecting support are connected, and the second connecting support and the other third connecting support are connected pairwise, so that integrated connection of an air spring, the vehicle front axle, the longitudinal thrust rod set and the shock absorber is achieved. The air suspension is simple in overall structure, different connecting positions are designed according to different connecting objects, so that the connecting support has enough impact load resistance, and the problems that in an existing connecting mode of an air suspension system, the number of parts in a connecting structure of an air suspension is large, and the connecting strength is insufficient when the impact load is too large are solved.

The durable sling anchoring structure comprises an anchor cup and an annular waterproof sleeve, an extension cylinder is integrally formed at the front end of an anchoring cavity of the anchor cup, asling body penetrates through the extension cylinder and then is anchored in the anchoring cavity, and the gap between the sling body and the extension cylinder is filled with sealing filler; whereinthe end part of the extension cylinder is sealed by the annular waterproof cover, the matching surface of the annular waterproof cover and the cable body is provided with a sealing ring or the annularwaterproof cover is directly welded outside the cable body, the matching surface of the annular waterproof cover and the extension cylinder is provided with a sealing ring, and the matching surface of the extension cylinder and the cable body is provided with a sealing ring. The sling anchoring structure designed by the invention has the advantages of few parts, few connecting structures of the parts, more stable overall structure, high deformation resistance and firmer sealing effect.