6results about How to "Reduce assembly stress" patented technology

The invention provides a micro-channel heat exchange device based on high-entropy alloy connection and a preparation method and application of the micro-channel heat exchange device. According to the micro-channel heat exchange device, the connection quality of the joints of all layers of the micro-channel heat exchange device is improved, the tensile strength, the corrosion resistance and the hydrogen embrittlement resistance are improved, and the compactness, the corrosion resistance and the hydrogen embrittlement resistance of the fluid contact surface in the micro-channel heat exchange device are improved; the strength, the corrosion resistance and the hydrogen embrittlement resistance of the micro-channel heat exchange device are integrally improved, so that the micro-channel heat exchange device based on high-entropy alloy connection is suitable for places with high requirements for the space utilization rate and the reliability such as a hydrogen refueling station, and is particularly applied as a micro-channel heat exchanger of a hydrogen cooling system of the hydrogen refueling station.

This invention discloses a stator and a method for adjusting the stator's circular shape. The stator includes a stator support plate, a stator block, a stator adjusting block, and a positioning element. Each stator block is equipped with a circular stator adjusting block. During the process of the positioning element being inserted into the corresponding positioning hole of the stator support plate and the adjusting hole of the stator adjusting block, the circular stator adjusting block pushes the stator block to move, making the positioning hole and the adjusting hole coaxial. After the positioning element is inserted into the corresponding positioning hole and adjusting hole, the circular stator adjusting block can rotate within the corresponding receiving hole. In addition to moving with the stator block as a whole, the circular stator adjusting block can also rotate itself. Through its own rotation, the position of the center of the adjusting hole of the circular stator adjusting block remains unchanged during the overall movement of the stator block. Even if the adjustment direction and / or adjustment amount on both sides of the stator block are inconsistent, the center of the adjusting hole of the circular stator adjusting block always corresponds to the center of the positioning hole on the stator support plate, thereby reducing the assembly stress on the stator.

The utility model belongs to the technical field of screw drilling tools, and particularly relates to a high-speed transmission shaft assembly which comprises a transmission shaft, a transmission shaft sleeve and a transmission shaft sleeve. The upper TC bearing static sleeve is in interference fit with the transmission shaft; the lower TC bearing static sleeve is in clearance fit with the transmission shaft; the sealing oil injection device comprises a sealing piston located at the upper end of the transmission shaft and a U-shaped sealing ring; the V-shaped sealing ring, the spring and the pressurizing ring are positioned at the lower end of the transmission shaft; lubricating agents are injected into the transmission shaft assembly. According to the utility model, the reliability and the service life of the screw drill are obviously improved and prolonged through structural innovation. Firstly, a traditional upper TC bearing movable sleeve is omitted, a wear-resistant alloy layer is overlaid on the surface of the transmission shaft, the number of kinematic pairs is reduced, the failure problem caused by abrasion of the movable sleeve is avoided, and meanwhile the manufacturing cost is reduced.

This invention provides an assembly structure and method for a spherical tank, employing a combination of fixed support at the tank's waist with a planar flange and a simply supported top end, thus achieving freedom of movement along the tank's length. A planar flange is added to the waist of the spherical tank, which is then fixedly connected to the lower compartment of the spacecraft's transverse main structure, connecting the spherical tank to the spacecraft cabin. The simply supported top end installation involves an end cap bushing assembly fitted onto the top end of the spherical tank. This end cap bushing assembly connects to the upper compartment of the spacecraft's transverse main structure, constraining the lateral freedom of the spherical tank's top, while allowing for longitudinal freedom. This assembly structure offers advantages such as simple structure, light weight, ease of operation, and low assembly and structural internal stress.

The utility model discloses a hanging assembly applied to respiratory therapy equipment and the respiratory therapy equipment, the hanging assembly comprises a fixing part and a hanging part, the fixing part can be detachably installed on the respiratory therapy equipment, the hanging part is provided with a rotating part and a hanging part connected with the rotating part, and the hanging part is connected with the rotating part. The rotating part is rotatably mounted on the fixing part, so that the hanging part is provided with a storage position close to the respiratory therapy equipment and a hanging position far away from the respiratory therapy equipment, and when the hanging part is located at the hanging position, the hanging part can be connected with an external supporting structure to hang the respiratory therapy equipment. According to the hanging assembly, the breathing treatment equipment can be flexibly hung on non-planar supporting structures such as sickbed handrails and wall hooks through the rotatable hanging piece design, the breathing treatment equipment can be hung at a proper position in an environment without a placement condition, and the use convenience of a user is improved.

This utility model belongs to the field of clutch outer hub technology, and particularly relates to a high-strength outer hub. The outer hub body is provided with internal teeth for meshing with the friction plate assembly. The internal teeth can restrict the position of the friction plate assembly, ensuring that the friction plate assembly will not rotate during torque transmission. A connecting plate is inserted into one side of the outer hub body, adopting a split design. An insertion part is provided on the side of the outer hub body near the connecting plate, and a snap-fit ​​part is provided on the side wall of the connecting plate. The snap-fit ​​part is adapted to the insertion part, thereby realizing the fixed snap-fit ​​between the outer hub body and the connecting plate. Compared with the traditional one-piece structure, it can reduce weight, avoid stress concentration, improve torque transmission capacity, and enhance structural strength.