46results about How to "Avoid welding process" patented technology

The invention discloses a battery module with same-side electrode output, which comprises a plurality of square batteries arranged in sequence, and the positive electrodes and the negative electrodesof the batteries are positioned at the top and are respectively arranged at two sides of the central axis of the arrangement direction of the batteries. Along the arrangement direction of the batteries, the positive and negative electrodes of the first battery and the second battery are arranged on different sides, and then the positions of the positive and negative electrodes of every two batteries are changed. The positive electrode of the first battery is connected with the positive output electrode of the battery module, and the negative electrode of the second battery is connected with the negative output electrode of the battery module; the negative electrode of the first battery is connected to the positive electrode of the third battery, and the positive electrode of the second battery is connected to the negative electrode of the fourth battery, and so on. The bus connection mode of the series batteries in the battery module can reserve enough space for the monitoring circuitboard, and when the module package is formed, the low-voltage line connected with the monitoring circuit can be separated from the bus high-voltage wiring harness connected with the positive electrodeand the negative electrode of the battery module, so that the electromagnetic interference of the bus to the low-voltage line is greatly reduced.

The invention relates to a condenser and a heat radiation net for integrally formed fined aluminum alloy composite material seamless micropore fin. An air inlet nozzle, an air outlet nozzle, an air inlet, an air outlet, the channels of an upper cover plate and a lower cover plate and the seamless microspores of a heat radiation part are connected to a communicated microporous path; the heat radiation part is an integrally formed aluminum composite material flat tube aluminum profile part which is symmetrically at two sides and a plurality of radiating fins are uniformly distributed on the aluminum profile part; at least two communicated seamless microspores which are uniformly distributed are arranged at the upper and lower ends of the heat radiation part and are connected with the upper and lower cover plates using screws after being arranged side by side in the weldless mode; the gasket devices are adopted at the positions that various fittings are connected with each other and various fittings are connected by adopting the screws; the device is practically used in the air conditioning system which the carbon dioxide is used as the refrigerants for, thus effectively solving the problem that the condenser and the heat radiation net bearing the high-pressure microspores are hard to be produced; in addition, the invention has high sealing performance and strong compression resistance, thus providing an energy-saving and environment-friendly optimal design for the condenser and the heat radiation net for the future automobiles and commercial civil air conditioning system.

The invention discloses a repulsive clamping static contact structure of low-voltage circuit breaker. The two ends of a locating shaft are fixed on a support, the middle of the locating shaft penetrates a static contact and pressure springs which are respectively arranged at the two sides of the static contact, the pressure spring is enveloped in the support and causes a connector row to compact the static contact, the free end of the static contact is arranged in a through slot on the bottom wall of the support, a tension spring is arranged in a first through slot of the support and corner approach thereof is fixed on a first boss in the first through slot, and the other corner approach of the tension spring penetrates the other through slot on the bottom wall of the support and is fixedly connected with the free end of the static contact. The static contact structure of the invention is modularized, clamping structure is adopted to realize electrical connection between static contact and inlet wire row, contact resistance is less, service life of static contact of circuit breaker can be prolonged, assembly is simple, and production cost is low.

The invention discloses a forced air and water supply integrated self-rescuing device for a mine, which comprises a box body (1), wherein an air supply pipe (5) and a water supply pipe (7) are arranged in the box body (1) and converged into an air-water combiner (10), an automatic extrusion valve (2) is arranged on the water supply pipe (7), a breathing mask (11) is provided with an air outlet and a water outlet and connected with the air-water combiner (10) through an air-water connecting hose, and a water supply hose is internally sleeved in the air supply hose to form an air-water connecting hose. The invention has the advantages of simple structure, convenience for operation, reliability and durability and is widely applicable to mine operation.

The invention relates to electronic information conversion, and provides an electronic adapter card. The electronic adapter card includes a bottom shell and an upper cover located on the bottom shell, the bottom shell and the upper cover form an accommodating cavity in an enclosed mode, the accommodating cavity has an insertion opening and a window, a first plastic part and a second plastic part are arranged in the accommodating cavity, the first plastic part is clamped on the bottom shell, a plurality of first connecting terminals capable of being in electrical contact with clamping pieces are arranged on the first plastic part, the second plastic part is arranged on the first plastic part in a partially overlapped manner, the first plastic part has a plurality of connecting terminals capable of being in electrical contact with the clamping pieces and a conducive part capable of performing information transmission with an external electronic component, and the conductive part and each second connecting terminal are electrically conducted. Also provided is electronic equipment that includes the abovementioned adapter card. In the adapter card provided by the invention, a golden finger function can be realized through cooperation of the first plastic part and the second plastic part, both the first plastic part and the second plastic part are moding parts, injection molding is adopted, and the electronic adapter card is convenient to manufacture, and is applicable to assembling of an automatic machine, and cost of single adapter cards can be effectively reduced during batch production.

The invention provides a welding-free cutting bit which relates to a mining tool, in particular to a cutting bit used in the excavating, driving and crushing of mines, roads and the like. The cutting bit comprises a cutting bit body and a hard alloy head fixed on the head of the cutting bit body, wherein the working part of the hard alloy head is a cone, and the angle of cone is 60-130 degrees. The cutting bit is characterized in that the mounting-pressing part of the hard alloy head is a cone, the angle of cone is 1.0-5.6 degrees; the mounting hole on the head of the cutting bit body is a tapered hole with the same shape of the mounting-pressing part of the hard alloy head, and all the surfaces of the mounting hole closely stick to all the surfaces of the mounting-pressing part of the hard alloy head. The invention has the advantage that the firm joint of the cutting bit body and the hard alloy head can be ensured, the impact resistance and twisting resistance of the cutting bit can be ensured in use and the traditional welding technology can be avoided so as to thoroughly eliminate various defects of primitive welding.

The invention discloses a finned tubular heat exchanger. The finned tubular heat exchanger comprises a heat exchange component, a first end cover and a second end cover, wherein the first end cover and the second end cover are correspondingly used for covering the two end parts of the heat exchange component; the heat exchange component comprises a heat exchange tube and a plurality of heat exchange plates; the heat exchange tube adopts a water path system which forms a cylindrical shape by integrated molding and bending; all heat exchange plates are arranged on the water path system in a spaced and sleeving manner along a center shaft of the water path system; the water path system comprises a plurality of tube units which are connected in sequence; each tube unit comprises a first straight tube section, a first bent tube section, a second straight tube section and a second bent tube section which are connected in sequence; each first straight tube section is connected to the second bent tube section of the adjacent tube unit; all first straight tube sections form an outer layer heat exchange structure of the water path system; and all second straight tube sections form an inner layer heat exchange structure of the water path system. The finned tubular heat exchanger disclosed by the invention has the beneficial effects of preventing water leakage of the heat exchange tube andalso realizing uniform heating and high thermal efficiency.

The invention provides a cabin section and a processing method thereof, which relate to the technical field of mechanical processing. The cabin section manufactured by the processing method has the characteristics of low cost and high quality. A processing method for a cabin section, the method comprising: extruding or forging a round ingot to be processed to form a rough tube, the material of the round ingot to be processed is a lightweight structural material; performing at least one pretreatment on the rough tube Treatment; the pretreatment includes: first heat treatment, drawing and second heat treatment; machining the blank tube after at least one pretreatment to form a cabin section. The invention is applicable to the manufacture of cabin sections.

The invention relates to a stator assembly and a motor using the same. The stator assembly comprises a stator iron core, an insulating framework, a winding and a binding post, the insulating framework comprises a framework main body and a framework protruding part; the framework protruding part is movably connected with the framework main body; the winding is suitable for being wound on the framework main body; and the binding post is suitable for being fixedly kept on the framework protruding part. According to the binding post, a welding process is canceled, so that the structure of the whole stator assembly is simplified, and possible undesirable conditions in the welding process are avoided.

The invention relates to a steel-bamboo composite elevator structure which comprises a main body structure and an enclosure structure, and the main body structure is formed by a top steel-bamboo composite truss unit, a middle steel-bamboo composite truss unit and a bottom steel-bamboo composite truss unit in an up-down spliced mode, a system with trusses on the three faces and a frame on one faceis assembled, and the face with the frame faces the use side of a building. The enclosure structure is formed by a base for mounting the main body structure and an ALC lightweight concrete partition wall in an up-down spliced mode. The main body structure of an elevator is combined in a unit dividing mode, is provided with miniaturized components, is easy to install, disassemble and transport, andis connected through bolts overall, and a welding process is avoided. The steel-bamboo composite elevator structure is borne by a bamboo web pole, a bamboo crossbeam and a steel vertical column in acombined mode, the advantages of two materials are utilized, bamboo resources are fully used, the concept of environment-friendly building development in China is followed, and the enclosure structurehas the characteristics of light weight, high strength, heat preservation, sound insulation and good durability.

The invention relates to a split type small-sized manned lunar surface lander sealed cabin. The split type small-sized manned lunar surface lander sealed cabin comprises a docking mechanism, a passage, a main cabin body and a side scuttle, wherein the docking mechanism, the passage and the main cabin body are connected with each other in sequence; the side scuttle is supported on the main cabin body; the side scuttle comprises a first side scuttle part and a second side scuttle part; the first side scuttle part can be opened in a direction far away from the second side scuttle part; and the second side scuttle part can be opened in a direction far away from the first side scuttle part. According to the split type small-sized manned lunar surface lander sealed cabin, as the side scuttle comprises the first side scuttle part and the second side scuttle part which can oppositely opened, the side scuttle can also be used as a sealed cabin door; and therefore, the floor space of the sealedcabin door in the prior art is saved, the structure of the sealed cabin is made more compact and the light of the sealed cabin is made much lighter.