阅读说明：本技术 一种高温大口径定标高管道支座 (High-temperature large-caliber calibration high-pipeline support ) 是由 霍达 周天送 陈宣任 于 2020-06-24 设计创作，主要内容包括：本发明涉及一种高温大口径定标高管道支座,其特征在于：垫板(2)两面分别与高温管道(1)和上安装座(3)焊接；垫板(2)通过滑动板与下安装座(4)过高温管道中心摩擦滑动,实现高温管道(1)的定标高膨胀和径向均匀膨胀；上安装座(3)共两件,沿高温管道(1)中心左右对称布置,上安装座(1)的底座板(9)为滑动面,底座板(9)滑动方向为过高温管道(1)中心夹角45°射线方向,高温管道(1)发生膨胀后,上安装座(3)与下安装座(4)沿高温管道(1)中心45°夹角射线方向滑动。此装置可提高高温大口径管道抗失稳、破坏能力,提高此类型管道工程稳定性、安全性,减小了支座的制造安装难度和成本。(The invention relates to a high-temperature large-caliber calibration high-pipeline support which is characterized in that: two surfaces of the backing plate (2) are respectively welded with the high-temperature pipeline (1) and the upper mounting seat (3); the backing plate (2) and the lower mounting seat (4) slide through friction through the center of the high-temperature pipeline through the sliding plate, so that the high-temperature pipeline (1) is calibrated and expanded in a high-expansion and uniform radial expansion mode; go up mount pad (3) two altogether, follow high temperature pipeline (1) central bilateral symmetry and arrange, base plate (9) of going up mount pad (1) are the glide plane, and base plate (9) slip direction is for crossing high temperature pipeline (1) central contained angle 45 ray directions, and high temperature pipeline (1) takes place the inflation back, goes up mount pad (3) and lower mount pad (4) and slides along high temperature pipeline (1) central 45 contained angle ray directions. The device can improve the anti-instability and anti-damage capability of the high-temperature large-caliber pipeline, improve the stability and safety of the type of pipeline engineering, and reduce the manufacturing and installation difficulty and cost of the support.)

1. The utility model provides a high pipeline support of high temperature heavy-calibre calibration which characterized in that: the upper surface and the lower surface of the backing plate (2) are respectively welded with the high-temperature pipeline (1) and the upper mounting seat (3); the upper mounting seat (3) and the backing plate (2) support the high-temperature pipeline (1) together, the upper mounting seat (3) is in sliding friction with the lower mounting seat (4) through a sliding plate, and a contact surface of the sliding friction is positioned on a radial line of the central expansion direction of the high-temperature pipeline (1), so that the high-expansion and radial uniform expansion of the high-temperature pipeline (1) in a scaling mode is realized; the upper mounting seats (3) are arranged symmetrically left and right along the center of the high-temperature pipeline (1); the base plate (9) of the upper mounting seat (1) is a sliding surface, is located on a central expansion direction line of the high-temperature pipeline (1), and forms an included angle of 45 degrees with a central vertical line of the high-temperature pipeline (1), and after the high-temperature pipeline (1) expands, the upper mounting seat (3) and the lower mounting seat (4) slide along the central expansion ray direction of the high-temperature pipeline (1) through the base plate (9).

2. A mount, as claimed in claim 1, wherein: the lower mounting seats (4) are arranged symmetrically left and right along the center of the high-temperature pipeline (1) and are respectively connected with the upper mounting seat (3) and the civil foundation to bear gravity and lateral pressing force.

3. A mount, as claimed in claim 1, wherein: the lower mounting seat (4) bears the gravity and pressing force of the high-temperature pipeline (1) through the combination of the rib plates (13), the transverse ribs (14), the profile steel base (15), the lower base plate (16) and the nonmetal sliding plates (2), (17), the nonmetal sliding plates (1), (12) of the lower mounting seat (4) are made of polytetrafluoroethylene, the lower mounting seat is firmly connected with the upper plate (13) through the plug welding of the pressing plates (14) and the adhesive, the nonmetal sliding plates (1), (12) are matched with the base plate (9) of the upper mounting seat (3), and the contact surface of the base plate (9) and the nonmetal sliding plates (1), (12) is completely attached.

4. A mount, as claimed in claim 1, wherein: two axial limit baffle (5) and mount pad (4) and last mount pad (3) cooperation installation down realize high temperature pipeline (1) axial function of sliding jointly, and two side direction limit baffle (6) and mount pad and last mount pad (3) cooperation installation down realize high temperature pipeline (1) side direction function of sliding.

5. A mount, as claimed in claim 4, wherein: the axial sliding realization process of the high-temperature pipeline (1) is as follows: when the high-temperature pipeline (1) slides axially, the axial limiting baffle (5) limits the relative sliding of the nonmetal sliding plates (2 and 17) of the lower mounting seat (4), and the sliding of the upper mounting seat (3) and the lower mounting seat (4) is only carried out through the nonmetal sliding plates (1 and 12), so that the axial sliding of the pipeline is realized, and the unilateral gap between the axial limiting baffle (5) and the lower mounting seat is 2 mm.

6. A mount, as claimed in claim 1, wherein: the lateral sliding realization process of the high-temperature pipeline (1) comprises the following steps: when the high-temperature pipeline (1) slides in the shaft measurement, the upper mounting seat (3) is driven to slide laterally by the pressing effect of the lower mounting seat (4), and the lateral displacement allowance is not more than 10mm for the lateral limiting baffle (6) and the single-side gap of the lower mounting seat (4).

7. A mount, as claimed in claim 1, wherein: the width B of the base plate (9) is 50mm larger than the sum of the thickness of the heat-insulating layer of the high-temperature pipeline (1), the width of the sliding surface of the upper mounting seat (3) and the lower mounting seat (4) and the expansion radial displacement of the high-temperature pipeline (1).

8. A mount, as claimed in claim 1, wherein: the nonmetal sliding plates 1(12) of the lower mounting seat (4) are matched with the base plate (9) to ensure that the contact surface is in the radial direction of the high-temperature pipeline (1), so that the contact surface of the base plate (9) and the nonmetal sliding plates (12) is completely attached, and smooth sliding and uniform deformation in the expansion process of the high-temperature pipeline (1) are ensured.

9. A mount, as claimed in claim 1, wherein: the reinforcing ring rib (7) is connected with the two upper mounting seats (3) and is used for arranging and reinforcing the upper mounting seats (3); two lower mounting seats (4) are connected with the steel underframe (8), so that the stability and the strength of the whole structure are enhanced.

10. A mount, as claimed in claim 1, wherein: the rib plates (10) of the upper mounting seat (3) extend to the horizontal central line of the high-temperature pipeline (1), 3-5 rib plates (10) are arranged in the axial direction of the pipeline, and a plurality of transverse ribs (11) are arranged between every two rib plates (10), so that the integral strength of the upper mounting seat (3) is improved; a nonmetal sliding plate 2(17) is arranged below a profile steel base (15) of the lower mounting seat (4), and is firmly connected with a lower bottom plate (16) through a pressing plate (18) in a plug welding mode and an adhesive, and the lower bottom plate (16) is welded with a civil engineering embedded steel plate.

Technical Field

The invention belongs to the field of pressure containers and pressure pipelines, and particularly relates to a high-temperature large-caliber pipeline support.

Background

At present, a saddle type sliding support form is generally adopted for sliding support of large-diameter pipelines in the industry, the saddle type sliding support is simple in structure and low in cost, but for the fields of engine test equipment, nuclear industrial equipment and the like, the large-diameter pipelines generally have working conditions of high temperature and large temperature gradient, the high temperature working conditions cannot be met in the current saddle type support standard, stress concentration is prone to occurring at the joint of the saddle type support sliding support and the pipelines, the pipelines are in radial expansion deformation along the pipelines under the action of high temperature, the saddle type support foundation is usually in a normal temperature state, the radial expansion amount along the pipelines is small, the diameter tolerance exceeds the standard due to uneven expansion deformation of the pipelines, and the instability resistance of the pipelines is reduced. The location where part of the stress has entered the yield phase creates plastic strain, resulting in irreversible deformation.

Disclosure of Invention

The invention aims to provide a bidirectional sliding support for a centering axis elevation of a large-caliber pipeline in a high-temperature and large-temperature-gradient working environment.

The technical scheme is that the high-temperature large-caliber calibrating high-pipeline support is characterized in that the upper surface and the lower surface of a backing plate 2 are respectively welded with a high-temperature pipeline 1 and an upper mounting seat 3; the upper mounting seat 3 and the backing plate 2 support the high-temperature pipeline 1 together, the upper mounting seat 3 is in sliding friction with the lower mounting seat 4 through a sliding plate, and the contact surface of the sliding friction is positioned on a radial line in the central expansion direction of the high-temperature pipeline 1, so that the high-temperature pipeline 1 is subjected to calibration high expansion and radial uniform expansion; the upper mounting seats 3 are arranged symmetrically left and right along the center of the high-temperature pipeline 1; go up the bed plate 9 of mount pad 1 and be the glide plane, it is located 1 central inflation direction lines of high temperature tube, and is 45 contained angles with 1 central vertical line of high temperature tube, and after the high temperature tube 1 took place to expand, go up mount pad 3 and lower mount pad 4 and pass through bed plate 9 and slide along 1 central inflation ray directions of high temperature tube.

Preferably, the lower mounting seats 4 are arranged symmetrically left and right along the center of the high-temperature pipeline 1, are respectively connected with the upper mounting seat 3 and the civil foundation, and bear gravity and lateral pressing force. The lower mounting seat 4 bears the gravity and pressing force of the high-temperature pipeline 1 through the combination of the rib plates 13, the transverse ribs 14, the profile steel base 15, the lower base plate 16 and the nonmetal sliding plates 217, the nonmetal sliding plates 112 of the lower mounting seat 4 are made of polytetrafluoroethylene, the nonmetal sliding plates 112 are firmly fixed to the upper plate 13 through the pressing plates 14, the nonmetal sliding plates 112 are matched with the base plate 9 of the upper mounting seat 3, and the contact surface of the base plate 9 and the nonmetal sliding plates 112 is completely attached.

Preferably, two axial limit baffle 5 and mount pad 4 and last mount pad 3 cooperate the installation jointly down, realize the function of sliding in the high temperature pipeline 1 axial, and two side direction limit baffle 6 and mount pad and last mount pad 3 cooperation installation down realize the function of sliding in the high temperature pipeline 1 side direction. The axial sliding realization process of the high-temperature pipeline 1 is as follows: when the high-temperature pipeline 1 slides axially, the axial limiting baffle 5 limits the relative sliding of the non-metal sliding plate 217 of the lower mounting seat 4, and the sliding of the upper mounting seat 3 and the lower mounting seat 4 is only carried out through the non-metal sliding plate 112, so that the axial sliding of the pipeline is realized, and the axial limiting baffle 5 and the single-side gap of the lower mounting seat are 2 mm.

Preferably, the high temperature pipeline 1 is laterally slid by the following process: when the high-temperature pipeline 1 slides in the axle survey, go up mount pad 3 and carry out the lateral sliding through with mount pad (4) pressure effect drive down mount pad 4 down, lateral displacement allowance is not more than 10mm for the unilateral clearance of lateral spacing baffle 6 and mount pad 4 down.

The width B of the base plate 9 is 50mm larger than the sum of the thickness of the heat-insulating layer of the high-temperature pipeline 1, the width of the sliding surface of the upper mounting seat 3 and the lower mounting seat 4 and the expansion radial displacement of the high-temperature pipeline 1.

The nonmetal sliding plate 112 of the lower mounting seat 4 is matched with the base plate 9, so that the contact surface is ensured to be in the radial direction of the high-temperature pipeline 1, the contact surface of the base plate 9 and the nonmetal sliding plate 12 is completely attached, and smooth sliding and uniform deformation in the expansion process of the high-temperature pipeline 1 are ensured.

The reinforcing ring rib 7 is connected with the two upper mounting seats 3, and the upper mounting seats 3 are arranged and reinforced; two lower mount pads 4 are connected to steel chassis 8, strengthen overall structure stability and intensity. The rib plates 10 of the upper mounting seat 3 extend to the horizontal central line of the high-temperature pipeline 1, 3-5 rib plates 10 are arranged in the axial direction of the pipeline, and a plurality of transverse ribs 11 are arranged between every two rib plates 10, so that the integral strength of the upper mounting seat 3 is improved; the nonmetal sliding plate 217 is arranged below the section steel base 15 of the lower mounting seat 4 and is firmly connected with the lower bottom plate 16 through the pressing plate 18 in a plug welding mode and an adhesive, and the lower bottom plate 16 is welded with the civil embedded steel plate.

The large-diameter pipeline has the beneficial effects that the large-diameter pipeline has the function requirements of fixed height and bidirectional sliding under the working conditions of high temperature and large temperature gradient in the fields of engine test equipment, nuclear industrial equipment and the like. The device can improve the instability resistance and the destructive capacity of the high-temperature large-diameter pipeline, improve the stability and the safety of the type of pipeline engineering, reduce the manufacturing and mounting difficulty and the cost of the support as much as possible, and has wide market prospect.

Drawings

FIG. 1 is a front view of a high-temperature large-caliber fixed-height pipeline support;

FIG. 2 is a side view of a high-temperature large-caliber fixed-height pipeline support;

FIG. 3 is an upper mount view;

FIG. 4 is a view of the lower mount B rotated;

FIG. 5 is a cross-sectional view of the lower mount C-C;

fig. 6 limit stop view.

Detailed Description

As shown in figures 1-6, the invention is suitable for a fixed-height bidirectional sliding pipeline support used in the working conditions of high temperature and large temperature gradient of a large-diameter pipeline.

1) The structure comprises an upper mounting seat 3 which is used for supporting and connecting the high-temperature pipeline 1 with the backing plate 2 under the coaction. The components are symmetrical left and right along the center of the pipeline and are in two pieces. Go up the bed plate 9 of mount pad 1 and be the glide plane, bed plate 9 glide plane direction is the 45 ray directions of 1 central contained angle of super high temperature pipeline, and the pipeline takes place to expand back and goes up mount pad 3 and lower mount pad 4 and slide along 45 contained angle ray directions in pipeline center, guarantees that pipeline center relative position is unchangeable, decides the pipeline elevation promptly, makes the pipeline evenly expand simultaneously.

2) The width B of the base plate 9 of the upper mounting seat 3 is larger than the thickness of the heat-insulating layer of the high-temperature pipeline 1, the width of the sliding surface of the upper mounting seat 3 and the lower mounting seat 4 and the sum of the expansion radial displacement of the high-temperature pipeline 1, so that the phenomena of interference and blocking do not occur in the expansion process of the pipeline.

3) The lower mounting seat 4 is connected with the upper mounting seat 3 and a civil foundation by two pieces of left-right symmetry along the center of the pipeline, bears gravity and lateral pressing force, the nonmetal sliding plate 112 of the lower mounting seat 4 is matched with the base plate 9 of the upper mounting seat 3 for manufacturing, and a 45-degree contact surface is ensured in the radial direction of the pipeline, so that the contact surface of the base plate 9 and the nonmetal sliding plate 12 is completely attached, and smooth sliding and uniform deformation in the expansion process of the pipeline are ensured.

4) The lower mounting seat 4 is provided with a non-metal sliding plate 217 which is matched with the axial limiting baffle 5 to realize axial sliding. Through compressing tightly mount pad 3, cooperation side direction limit baffle 6 realizes lateral displacement and limit function.

5) Go up mount pad 3 and carry out additional strengthening through reinforcement ring muscle 7, lower mount pad 4 is through 8 additional strengthening stability and intensity of steel chassis.