9results about How to "Rigid" patented technology

Compact heat exchanger units and air conditioning modules, particularly for electric vehicles, are disclosed. A compact heat exchanger unit in which, within an air conditioning device for a vehicle, condensation of a refrigerant using liquid cooling, a condenser region for condensation of the refrigerant, a separate supercooling region for supercooling of the refrigerant, and an internal heat exchanger region are combined into a plate group in a plate heat exchanger, a single high-pressure refrigerant collector is arranged downstream of the condenser region and is integrated in the air conditioning module as a refrigerant collector, the condenser region and the supercooling region are arranged side by side as a plate group of the plate heat exchanger, and the refrigerant flowing through the condenser region is guided and collected into the high-pressure refrigerant collector. The plates of the condenser region and the plates of the supercooling region are formed in a chevron design, are then directed into the supercooling region and the internal heat exchanger region, and are then passed through the expansion engine into the evaporator region.

The utility model relates to the technical field of vehicle engineering, in particular to a doorsill beam structure and a vehicle body structure. The doorsill beam structure comprises a cross beam formed by rolling a rolling plate, and the cross beam is provided with at least two energy absorption cavities and isolation plates located between the adjacent energy absorption cavities; the first end of the rolling plate is bent to form a first guide edge, the first guide edge is located in one of the energy absorption cavities and abuts against the isolation plate, and the second end of the rolling plate is the end, away from the first guide edge, of the isolation plate. The second end is bent towards the energy absorption cavity where the first guide edge is located to form a second guide edge. Therefore, the cross beam formed by winding the roller plate has rigidity and structural stability and is used for supporting a vehicle body structure. When the cross beam is collided, the first guide edge and the second guide edge curl or move towards the corresponding energy absorption cavities, and the threshold beam structure has a better energy absorption effect in cooperation with the energy absorption effect of the energy absorption cavities.

The utility model relates to the technical field of side slope protection, especially arch skeleton positioning device. The arch skeleton positioning device includes positioning column and thin steel sheet, and two groups of spool are fixedly sleeved on the positioning column, and the spool all is installed with rotating lever, and the rotating lever all is installed with support arm group. The arch skeleton positioning device provided by the utility model takes the positioning column as the core support, cooperates with two groups of spool symmetrically distributed up and down, and a plurality of annular distribution and rotatable rotating levers are installed on the spool, the rotating lever is connected with the support arm group, the support arm group can stably expand the thin steel sheet to form the arch skeleton structure, compared with the traditional wire rope control, the thin steel sheet has rigidity and is not prone to deformation, can provide accurate and stable linear reference for the arch skeleton prefabricated block installation, greatly reduces the prefabricated block installation position deviation, and guarantees the consistency and stability of overall structure.

The utility model discloses a kind of oil removal systems, belong to wastewater treatment equipment field, oil removal system includes: wastewater container, inside hollow top is provided with opening;Oil stick, vertically set and head-to-tail butt joint forms annular structure, the lower part of the oil stick is inserted into wastewater container inside from the opening of wastewater container;Driving mechanism, connected with the oil stick, for driving the oil stick to rotate.The oil removal system of the utility model has the oil stain in wastewater separated from wastewater, saves the time and cost required for oil-water separation, improves the efficiency of oil-water separation.

The invention discloses an ultra-thin copper foil suitable for HDI board and its preparation method and application, comprising the following steps: using additives and electrolyte to electrolyze foil to obtain the ultra-thin copper foil; wherein the additives contain hexylbenzylamine salt, sodium polydisulfide dipropane sulfonate, sodium N,N-dimethyl-dithiocarbonyl propane sulfonate, hydroxyethyl cellulose, polyethylene glycol, hydrolyzed collagen and agarose. The invention can control the crystallization process of raw foil by compounding brightener, displacement agent and leveling agent, and obtain raw foil with fine and uniform grains, uniform peak size and gentle peak shape, so that the raw foil has a certain rigidity fundamentally, and solves the problem of poor rigidity of ultra-thin copper foil in the processing of HDI board.

The utility model discloses a composite nanometer heating film which comprises a nanometer heating film body, at least one group of electrodes is arranged on the nanometer heating film body, each group of electrodes at least comprises two electrode strips, the nanometer heating film body is packaged in a mica outer layer, and the mica outer layer is tightly attached to the surface of the nanometer heating film body. According to the utility model, the nanometer heating film body is packaged in the mica outer layer, and the mica outer layer can be coated outside the nanometer heating film body by adopting mica slurry, or mica paper with an attaching layer is attached outside the nanometer heating film body, so that the mica outer layer is attached to the nanometer heating film body, and the thermal conductivity and the insulativity of the nanometer heating film body are ensured.

The invention belongs to the technical field of building materials, and discloses an anti-fatigue phosphogypsum recycled aggregate water-stable base material and a preparation method thereof. The water-stable base layer material is prepared from a consolidation combination, a solid alkali activator, a composite polymer emulsion and water; wherein the mass ratio of the consolidation combination to the solid alkali activator to the composite polymer emulsion to the water is 100: (1-3): (2-6): (5-8), and the consolidation combination is prepared from the following raw materials in percentage by mass: 4-6% of a cement-based material, 17-22% of phosphogypsum, 28-31% of recycled fine aggregate and 44-48% of recycled coarse aggregate, totaling 100%. While the waste material phosphogypsum is fully developed, the composite polymer emulsion is introduced, the internal pore structure of the road base material is optimized, the overall elastic deformation capacity of the base material is improved, the anti-fatigue capacity of the road base material is improved, and the mechanical properties such as the compressive strength of the phosphogypsum recycled aggregate water-stabilized base material are stabilized; the comprehensive utilization of the fully recycled aggregate is realized.

The utility model belongs to underwater cable technical field discloses a kind of bending-resistant underwater cables, including conductor, insulating layer, sheath layer and protective layer, conductor is formed by multiple copper wire strands multilayer complex twisting, and the complex twisting direction of each layer copper wire strand is same, copper wire strand is formed by multiple tinned copper wire bundle twisting, insulating layer is coated in the outer periphery of conductor, sheath layer is coated in the outer periphery of insulating layer, protective layer is coated in the outer periphery of sheath layer, the material of protective layer is polyether polyurethane elastomer, shore hardness is (A80-D70).The bending-resistant underwater cable provided by the utility model has pressure resistance and flexibility simultaneously, when bending laying, it can be quickly laid, reduce the degree of difficulty of laying, simultaneously, it can effectively reduce the degree of stress concentration at bending, the risk of fracture at bending is low, and it can stably transmit electric energy.

The invention belongs to the technical field of picking, processing and tidying in sericulture production, and particularly relates to a leaf peeling device of a silkworm cocoon leaf peeling machine and the silkworm cocoon leaf peeling machine, the leaf peeling device comprises a leaf peeling part and an elastic connecting part, at least one of the leaf peeling part and the connecting part is elastic, the connecting part is used as a connecting piece for being connected with a power transmission part, and the connecting part is used for being connected with the power transmission part. A plurality of leaf peeling parts used for peeling the silkworm cocoons wrapped with the leaves are arranged on the outer surface of the connecting part in the circumferential direction, the inner ends of the leaf peeling parts are fixedly connected with the connecting part, the outer ends of the leaf peeling parts are only in contact with the leaves wrapped on the silkworm cocoons, and the leaf peeling parts peel off the leaves from the silkworm cocoons in the rotating process of the leaf peeling parts and the connecting part. According to the leaf stripping device, the connecting part has elasticity, and the leaf stripping part has rigidity, so that leaves wrapping silkworm cocoons can be stripped, and the silkworm cocoons cannot be damaged due to the fact that the leaf stripping device is too hard due to the elasticity.