Rack fast connection pipeline sealing clamping belt fastening structure and fastening method thereof
A technology of fast connection and fastening structure, which is applied in the direction of sleeve/socket connection, pipe/pipe joint/fitting, passage element, etc. The high failure rate of throat hoops and other problems achieve the effect of convenient and fast engine test, satisfying customization ability, and simple structure
Inactive Publication Date: 2018-12-28
CHINA NORTH ENGINE INST TIANJIN
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Problems solved by technology
[0003] However, due to the relatively single tool for the hose clamp, which can only be installed with a screwdriver tool set, the consistency of the pipeline confinement is also different for different users, resulting in the inability to control the pipeline tightness according to the quality requirements. In some large flow test runs In the auxiliary system of these connections, large leakage surfaces often appear. In the high-intensity dynamic verification, due to the strengthening of external excitation environments such as temperature and vibration, the failure rate of throat clamps remains high, so that some local harsh environments cannot use the quick connection method. Reduced bench preparation time affects product development cycle
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[0039] It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict.
[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be und...
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The invention provides a rack fast connection pipeline sealing clamping belt fastening structure and a fastening method thereof. The rack fast connection pipeline sealing clamping belt fastening structure comprises a master clamping groove and a slave clamping groove, and the main clamping groove and the slave clamping groove are of an integrated structure in a semicircular arc shape. One end of the main clamping groove is connected with one end of the slave clamping groove through a first hinged nail, the other end of the main clamping groove is hinged to a fastening worm through a second hinged nail, the other end of the slave clamping groove is provided with a first through hole used for penetrating through the fastening worm, and a thread connected to a fastening nut is arranged on thelower part of the fastening worm. According to the rack fast connection pipeline sealing clamping belt fastening structure and the fastening method thereof, a sealing ring is formed by pressing a gasket into the main clamping groove and the slave clamping groove, and the problem of a leakage point caused by extrusion deformation of middle sealing materials in a commonly-used clamp joint and extrusion of the sealing materials is effectively solved.
Description
Technical field [0001] The invention belongs to the technical field of engine testing, and in particular relates to a fastening structure and a fastening method for a sealing cassette of a bench quick connection pipeline. Background technique [0002] During the research phase of the power plant, it is necessary to conduct frequent bench tests to verify whether the economic, dynamic and emission indicators after the design of the power plant meet the established requirements. In order to realize the performance verification of a variety of models for the power assist device of a single rack, the research department adopts a flexible interface customization method for external supply systems such as lubricating oil, cooling water, fuel, and compressed air. The throat hoop device is one of the commonly used devices in these flexible customizations. Because it can convert the confinement moment of the connector into the friction force of the worm, it achieves the purpose of simple t...
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IPC IPC(8): F16L21/06
CPCF16L21/065
Inventor 李宝刘峰春陈彪梁栋王涛杨建绩
Owner CHINA NORTH ENGINE INST TIANJIN