Pipeline connecting and pressing device
A compression device and pipeline technology, applied in the direction of adjustable connections, pipes/pipe joints/fittings, passing components, etc., can solve problems such as pipeline oil leakage failures, failure to ensure reliable sealing of sealing surfaces, etc., to reduce calibration Type work, reduce oil leakage failure, reduce the effect of machining accuracy and installation accuracy requirements
Pending Publication Date: 2022-03-22
AECC SHENYANG ENGINE RES INST
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Problems solved by technology
like Figure 4 As shown in the figure, for the pipeline assembled under the condition of different pipelines, the displacement of the pressing surface and the axial pressing force cannot guarantee the reliable sealing of the sealing surface, and the pipeline is prone to oil leakage failure during the whole machine test.
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[0030] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application.
[0031] In order to solve the problem of poor pipeline manufacturing consistency and the accumulation of manufacturing tolerances into the assembly process, it is difficult to ensure the concentricity of the pipelines. This application provides a pipeline connection compression device, which makes the pipeline concentricity relatively high. It can still guarantee the effective pressing force and the tightness of the pipeline when it is poor. At the same time, it can also reduce the processing accuracy of the pipeline connector and the pipeline assembly accuracy requirements, and reduce the workload of calibration during the pipeline assembly process, thereby effectively improving the pipeline quality. The reli...
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The invention provides a pipeline connecting and pressing device. The pipeline connecting and pressing device comprises an inner taper pipe joint, an outer taper pipe joint and an outer taper pipe joint, at least part of the spherical surface of the ball head is inserted into the inner taper pipe joint, and the spherical surface of the ball head and the conical surface form a linear contact sealing surface; the outer sleeve nut is used for connecting the inner taper pipe joint and the ball head; the pressing adjusting ring is provided with an inner spherical surface matched with the spherical surface, and the pressing adjusting ring is arranged on the side, away from the inner taper pipe joint, outside the ball head in a sleeving mode and matched with the outer sleeve nut; by adjusting the relative position of the outer sleeve nut and the inner taper pipe joint, the acting force ball head can be applied by pressing the adjusting ring, so that the relative fixation of the ball head and the inner taper pipe joint is realized. According to the method, the shape correction work in the external pipeline assembling process can be greatly reduced, the machining precision and mounting precision requirements of connecting parts are reduced, the reliability of gas turbine pipeline connection is improved, and the pipeline oil leakage fault is reduced.
Description
technical field [0001] The application belongs to the technical field of pipeline connection, in particular to a pipeline connection pressing device. Background technique [0002] The conduits in the gas turbine piping system connect the various components of the gas turbine, between accessories, and between components and accessories, and transport the fluids specified by them to complete the functions of gas turbine operation, control, and manipulation. The pipeline system includes conduit components and their connectors, etc. The piping system has a significant impact on the performance and reliability of the gas turbine. According to incomplete statistics, 50% of gas turbine failures are caused by damage and failure of external pipelines, wires, and sensors. [0003] At present, gas turbine pipeline connection structures are mostly spherical pipeline connections, such as figure 1 As shown, the structure includes an inner tapered pipe joint 11, a ball head 12 and an ou...
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IPC IPC(8): F16L27/04F16L27/06
CPCF16L27/04F16L27/06
Inventor 高松徐鑫胡云彪张凯琳高万彬
Owner AECC SHENYANG ENGINE RES INST