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A thrust sleeve compensator for straight pipe and its implementation method

A sleeve compensator and thrust technology, which is applied to expansion compensation devices, pipe components, flange connections and other directions for pipelines, can solve the problems of no thermal insulation structure, general thermal insulation effect, and difficulty in fitting the pipeline, and achieve reliable performance. Stable compensation performance, small resistance, the effect of reducing pressure

Active Publication Date: 2022-08-05
JINAN MAIKE VALVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this application solves the problems in the background technology to a certain extent, there is no corresponding heat preservation structure in this application. The heat preservation device needs to be installed separately, which is not easy to fit with the pipeline, and the heat preservation effect is general. In addition, many sealing structures are the same, and the sealing too much friction

Method used

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  • A thrust sleeve compensator for straight pipe and its implementation method
  • A thrust sleeve compensator for straight pipe and its implementation method
  • A thrust sleeve compensator for straight pipe and its implementation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] see Figure 1-Figure 2, a thrust sleeve compensator for straight pipes, comprising a telescopic core pipe 1, a positioning sleeve 2 and an outer casing 3, one end of the telescopic core pipe 1 is connected to a limiting sleeve 11, and the limiting sleeve 11 is provided with a groove 111, the groove 111 is filled with a first sealing filler 112, the side wall of the limit sleeve 11 is connected with a first sealing ring 113, and the first sealing ring 113 is connected to the inner wall of the outer sleeve The telescopic core tube 1 on the side of the position sleeve 11 is symmetrically provided with a first through hole 12, and the end of the telescopic core tube 1 close to the limit sleeve 11 penetrates the positioning sleeve 2 and the outer sleeve 3 in sequence, and the telescopic core tube 1 is placed in the first through hole 12. A second sealing packing 13 is arranged between the ring plate 27 and the second ring plate 35, a second sealing ring 14 is arranged betwee...

Embodiment approach

[0041] In order to better demonstrate the implementation process of the thrust sleeve compensator for straight pipes, the present embodiment now proposes a thrust sleeve compensator for straight pipes and an implementation method thereof, including the following steps:

[0042] Step 1: During processing, the outer sleeve 32 and the outer sleeve 3 are filled with thermal insulation cotton, the outer sleeve 32 is connected to the outside of the thermal insulation cotton, and the positioning sleeve 2 and the inner sleeve 26 are also filled with thermal insulation cotton. Insulation cotton is used for heat preservation, and the sealing conditions between the outer sleeve 32 and the outer sleeve 3 are not required to be too high;

[0043] Step 2: The long screw 4 penetrates the first flange 21 and the second flange 31, connects the positioning sleeve 2 and the outer sleeve 3, and locks the position of the positioning sleeve 2 and the outer sleeve 3 through the nut, and the long scre...

Embodiment 2

[0048] see Figure 11 , a thrust sleeve compensator for straight pipes, comprising a telescopic core pipe 1, a positioning sleeve 2 and an outer casing 3, one end of the telescopic core pipe 1 is connected to a limiting sleeve 11, and the limiting sleeve 11 is provided with a groove 111, the groove 111 is filled with a first sealing filler 112, the side wall of the limit sleeve 11 is connected with a first sealing ring 113, and the first sealing ring 113 is connected to the inner wall of the outer sleeve The telescopic core tube 1 on the side of the position sleeve 11 is symmetrically provided with a first through hole 12, and the end of the telescopic core tube 1 close to the limit sleeve 11 penetrates the positioning sleeve 2 and the outer sleeve 3 in sequence, and the telescopic core tube 1 is placed in the first through hole 12. A second sealing packing 13 is arranged between the ring plate 27 and the second ring plate 35, a second sealing ring 14 is arranged between the s...

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Abstract

The invention discloses a thrust sleeve compensator for a straight pipe and an implementation method thereof, comprising a telescopic core pipe, a positioning sleeve and an outer casing. The telescopic core tube is symmetrically provided with a first through hole, one end of the telescopic core tube close to the limit sleeve penetrates the positioning sleeve and the outer sleeve in turn, one end of the outer sleeve is movably connected with the positioning sleeve, and the outer sleeve and the positioning sleeve are A long screw is connected through it. The thrust sleeve compensator for straight pipe and its implementation method, one end of the telescopic core pipe close to the limit sleeve passes through the positioning sleeve and the outer sleeve in sequence, the outer sleeve and the positioning sleeve are connected by a long screw, and the first ring plate is pulled The second sealing packing and the second sealing ring are extruded, and a pressure plate is arranged at the same time. Under the action of the torsion spring, the pressure plate always presses the first ring plate to prevent the deformation of the first flange. Insufficient extrusion force reduces the frictional resistance of the seal.

Description

technical field [0001] The invention relates to the technical field of thrust sleeve compensators, in particular to a thrust sleeve compensator for straight pipes and an implementation method thereof. Background technique [0002] As a compensation device for thermal fluid pipeline, the sleeve compensator is suitable for hot water, steam, grease and other media, through the sliding movement of the core tube relative to the outer tube or the outer shell to achieve thermal expansion compensation. Most of the existing sleeve compensators have the structure of the inner tube and the outer tube, and lack the medium pressure balance structure. When the corresponding force is generated due to the temperature change, the inner tube can perform a good compensation response. In the case of medium pressure, due to the lack of medium pressure balance compensation, the inner tube is prone to large axial displacement, which will affect the safe work and service life of the sleeve compensa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L51/00F16L59/065F16L59/04F16L27/12F16L23/18
CPCF16L51/00F16L59/065F16L59/04F16L27/12F16L23/18
Inventor 吴海清
Owner JINAN MAIKE VALVE TECH
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