CN205618825U - High temperature tube says and makes up fixing device - Google Patents
High temperature tube says and makes up fixing device Download PDFInfo
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- CN205618825U CN205618825U CN201620407845.7U CN201620407845U CN205618825U CN 205618825 U CN205618825 U CN 205618825U CN 201620407845 U CN201620407845 U CN 201620407845U CN 205618825 U CN205618825 U CN 205618825U
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- guiding trestle
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Abstract
The utility model discloses a high temperature tube says and makes up fixing device, its structure be the pipeline need the bearing install the cover at the outside floating structure of pipeline, be provided with the baffle of fixing at the pipeline outer wall in floating structure's load side, one side of floating structure is passed through draw bar assembly and is linked to each other with the braced frame that sets up in pipeline both sides, realizes along the line displacement constraint of pipeline at the axis direction through the pull rod integrated configuration, bears the axial force of pipeline. Installed guide bracket in the bottom of pipeline in addition, used through preventing changeing the radial rotation that the baffle limited the pipeline on the direction support of guide bracket below. The utility model discloses in the purpose that reaches fixed pipeline, the thermal energy that makes high temperature tube say is unfettered, and greatly reduced connects the stress level at position, and the effectual possibility of having avoided attachment weld and process line to crack under the high temperature long -time running can satisfy the requirement of the fully loaded lotus long period of the petrochemical unit process line safe operation of high temperature, heavy -calibre totally.
Description
Technical field
This utility model relates to the fixed structure of a kind of heavy-caliber high-temperature pipeline.
Background technology
Along with the development of national economy, petrochemical plant keeps the large-scale development, the technique of process pipe and design condition
Not only harsh, design temperature is higher, reaches 600～750 DEG C, and bore continues to increase also with the maximization of device.For ensureing
Process pipe system properly functioning, pipeline needs to arrange support and the fixing stability ensureing system of appropriate location and peace
Quan Xing.Owing to caliber is big, medium temperature is high, conventional welding type fixed support can cause the biggest thermal stress, and excessive should
Power easily causes weld cracking, stent failure, and the safe operation to system causes the biggest threat.
The welding type fixed support that petrochemical plant process pipe is conventional at present, at high temperature runs through after a while
After, easily cracking at the high weld seam position of stress level and process pipe mother metal position, this crackle not only results in fixing
Stent failure and process pipe can be caused to ftracture, cause processing medium leakage to produce serious consequence.
Prior art not yet has the satisfied long week that can bear relatively high thrust and moment meeting high temperature, large diameter pipeline
The fixed support that phase is run.
Utility model content
The purpose of this utility model is aiming at above-mentioned deficiency of the prior art, it is provided that one is applicable to high temperature, big
Caliber pipe, it is possible to bear relatively high thrust and moment, meet the high-temperature pipe combination fastener of long-term operation.
The technical solution adopted in the utility model is as follows:
A kind of high-temperature pipe combination fastener, is characterized in that it includes pipeline, is cased with ringwise on described pipeline
And the floating structure that inside is cavity, it is packed with temperature insulating material inside described floating structure, the internal diameter of floating structure and pipeline
The gap more than pipeline radial expansion volume is left between external diameter；It is provided with in the one or both sides of floating structure and is fixed on described pipeline
Baffle plate on outer wall, the side laminating of plate washer and floating structure, be additionally provided with, at floating structure, the plate that is located by connecting, be located by connecting plate with
One end of rod assembly is hinged, and the other end of rod assembly is hinged with supporting connecting plate, and described support connecting plate is fixed on support
On framework, support frame is arranged on the side of pipeline；The lower section of described floating structure is provided with resilient support, and the bottom of pipeline is provided with
Guiding trestle, described guiding trestle is arranged on guide type shoe, is provided with the anti-rotation being in guiding trestle both sides on guide type shoe
Baffle plate.
Described floating structure is connected by bolt, nut by the box semi-ring that two cross sections are rectangle and forms integral loop.
The temperature insulating material of the internal filling of described floating structure is wrapped by steel wire.
Described baffle plate is provided with polylith, and they are uniformly arranged along the circumferencial direction of pipeline, outside the plane of baffle plate is with pipeline
Wall is vertical, and is in same plane with the axial line of pipeline.
Described support frame is provided with two, and they are respectively at the both sides of pipeline, and each support frame is provided with two groups of supports
Connecting plate, is hinged with two rod assemblies respectively, and accordingly, the plate that is located by connecting being on floating structure is provided with four groups.
The inside of described guiding trestle is with heat isolating structure, and the base plate of guiding trestle is rectangular slab.
The friction pair reducing friction it is provided with between described guiding trestle base plate and the contact surface of guide type shoe.
Described guiding trestle and the guide type shoe of correspondence are provided with two groups, and they are respectively at the both sides of floating structure.
As required, the top of described pipeline has additional the guiding trestle of internal band heat isolating structure, herein on guiding trestle
Top board and the contact surface of steel structure support seat above it between leave the gap more than pipeline radial expansion volume, prop up at steel construction
Seat is provided with and is in guiding trestle top board both sides anti-rotation baffle plate herein.
The guiding trestle at described pipeline top and the one of which guiding trestle layout symmetrical above and below of bottom.Described elasticity is propped up
Support is spring supporting, and spring supporting is fixing with bottom support bracket to be connected.
The beneficial effects of the utility model have:
This utility model, by special combinative structure, while reaching the purpose of fixed-piping, makes high-temperature pipe
Thermal expansion is unfettered, is substantially reduced the stress level of connecting portion, effectively avoids attachment weld and process pipe at height
The possibility cracked under temperature longtime running, improves fixed support and the reliability of process pipe and safety, is entirely capable of full
Foot high temperature, the requirement of bigbore petrochemical plant process pipe full and down long period safe operation.
This utility model is by one end and block on pipeline and the connection of floating structure combination, the other end and load-bearing frame base
The pull bar combinative structure that plinth connects realizes pipeline and retrains in the displacement of the lines of axis direction, and the expansion of pipeline self simultaneously is not by about
Bundle；The internal band temperature insulating material of floating structure, Tiebar structure works at a lower temperature, has enough intensity, can bear bigger
Axial force.
This utility model is retrained and rotational restraint, group by two groups of combined guided pipeline displacements of the lines in other direction that realize
Conjunction is directed through internal heat isolating structure, and the temperature making force part and sliding position is relatively low, can be effectively improved and bear moment
Ability, it is ensured that other 5 degree of freedom in addition to axis direction are retrained, it is achieved the purpose fixing to pipeline.
This utility model is for large diameter pipeline, and during for preventing unilateral guiding trestle spacing, torsional deflection occurs in pipeline,
Guiding trestle is set up, wherein the one of the guiding trestle at described pipeline top and bottom at the top symmetry of one of which guiding trestle
The guiding trestle layout symmetrical above and below of group.The common effect of three groups of guiding trestles, can be entirely limited pipeline except axial displacement it
Outer all displacements, and rod assembly acts on the purpose reaching fixing jointly.
This utility model, by arranging the weight of spring supporting floating structure below floating structure, reduces the lotus on pipeline
Carry, it is ensured that the flatulence of heat type deformation of pipeline is not retrained by floating structure.
Accompanying drawing explanation
Fig. 1 is structural representation during floating structure bilateral load of the present utility model.
Fig. 2 is the A-A structural representation of Fig. 1.
Fig. 3 is the B-B structural representation of Fig. 1.
Fig. 4 is the structural representation of floating structure one side of the present utility model load.
One of structural representation when Fig. 5 is to arrange guiding trestle on the upside of pipeline of the present utility model.
Two of structural representation when Fig. 6 is to arrange guiding trestle on the upside of pipeline of the present utility model.
Detailed description of the invention
The utility model is further described below in conjunction with the accompanying drawings:
As it is shown in figure 1, this utility model includes pipeline 1, need outside bearing, to arrange floating structure 2 at pipeline 1, floating
Dynamic structure 2 is made up of the box semi-ring that two cross sections are rectangle, and the rectangle frame circumferential direction inside of the two semi-ring is clogged by steel wire
The temperature insulating material of parcel, and connected into integral loop by bolt, nut, floating structure 2 is enclosed within pipeline 1, the internal diameter of floating structure 2
And leave the gap more than pipeline 1 radial expansion volume between the external diameter of pipeline 1.Along the baffle plate 3 that pipeline 1 circumference soldering is uniform,
If pipeline 1 only exists single load bearing in system operation, then baffle plate 3 is arranged only at the load side of floating structure 2 and (sees
Accompanying drawing 4, Fig. 6)；If pipeline 1 there may exist bidirectional stress in system operation, then baffle plate 3 is arranged in floating
The both sides (seeing accompanying drawing 1, Fig. 5) of structure 2, baffle plate 3 is welded to connect with pipeline 1, the side laminating of baffle plate 3 and floating structure 2.Institute
Stating baffle plate 3 and be provided with polylith, they are uniformly arranged along the circumferencial direction of pipeline 1, the plane of baffle plate 3 and the outer wall vertical of pipeline 1,
And it is in same plane with the axial line of pipeline 1.
As in figure 2 it is shown, 4 positions of the outboard end part of floating structure 2 are respectively welded connection and have location in this utility model
Connecting plate 4, the plate 4 that is located by connecting is connected by bearing pin 15 with one end of 4 rod assemblies 5 respectively, and the two ends of bearing pin 15 are by putting
Back-up ring 16 locking being welded to connect outside connecting plate 4 and with bearing pin 15 is rotationally connected.As it is shown on figure 3, this utility model is at pipe
Both sides, road 1 arrange support frame 6, and in support frame 6, welding supports connecting plate 17, support connecting plate 17 respectively with corresponding with 4
The other end of individual rod assembly 5 is connected by bearing pin, and connect and contract the method for attachment phase determining mode and be located by connecting plate 4 one end
With.By this pull bar combinative structure, it is achieved retrain in the displacement of the lines of axis direction along pipeline 1, bear the axial force of pipeline 1.
This utility model guiding of band heat isolating structure inside the bottom welding of the pipeline 1 in the left side that floating structure combines is propped up
Frame 7, temperature insulating material and air layer two parts that this heat isolating structure is wrapped up by steel wire combine.The base plate side of being of guiding trestle 7
Shape or rectangular slab, this base plate can arrange the friction pair reducing friction between the contact surface of guide type shoe 9.Guide type shoe 9 exists
The both sides of guiding trestle 7 base plate arrange the anti-rotation baffle plate 8 lateral displacement for restriction conduit 1, and anti-rotation baffle plate 8 quantity is according to base plate
Size selects both sides each 1 piece or polylith.As required, the structure of guiding trestle 7 and guide type shoe 9 can arrange two groups, they
It is respectively at the both sides of floating structure 2.As it is shown in figure 1, carry inside the bottom welding of the pipeline 1 on the right side of floating structure combination
The guiding trestle 14 of heat isolating structure, temperature insulating material and air layer two parts that this heat isolating structure is wrapped up by steel wire combine, and lead
Being square or rectangular slab to the base plate of support 14, this base plate can arrange the friction reducing friction between the contact surface of bearing 12
Secondary；Bearing 12 arranges the baffle plate 13 lateral displacement for restriction conduit 1 in the both sides of guiding trestle 14 base plate, baffle number according to
Base plate size selects both sides each 1 piece or polylith, is realized pipeline 1 fixing point by the combination of guiding trestle 7 and guiding trestle 14
Place's rotational restraint.
As shown in Figure 5,6, the pipeline being relatively large in diameter for some, in order to more preferable, at floating junction to the binding effect of pipeline 1
The guiding trestle 20 of the internal band heat isolating structure of welded top of the pipeline 1 in the left side of structure combination, this heat isolating structure is wrapped up by steel wire
Temperature insulating material and air layer two parts combine, the top board of guiding trestle 20 is square or rectangular slab, and this top board and steel are tied
The gap more than pipeline 1 radial expansion volume is left between the contact surface of structure bearing 19.Steel structure support seat 19 pushes up at guiding trestle 20
The both sides of plate arrange the anti-rotation baffle plate 18 lateral displacement for restriction conduit 1, and anti-rotation baffle plate 18 quantity is selected according to base plate size
Both sides each 1 piece or polylith.Guiding trestle 7 and guiding trestle 20 layout symmetrical above and below, can be entirely limited large-diameter pipe after combination
The lateral displacement in road 1.Equally, according to site space situation, top guide support may also be arranged on the right side of floating structure combination,
It is arranged symmetrically with guiding trestle 14.The common effect of three groups of guiding trestles, can be entirely limited pipeline in addition to axial displacement
All displacements, and rod assembly 5 acts on the purpose reaching fixing jointly.
Consistent for ensureing the gap uniformity between floating structure 2 and pipeline 1, and prevent the weight of floating structure 2 from acting on
On pipeline 1, resilient support 11 is set below floating structure and carrys out the weight of support floating structure 2, reduce the load on pipeline 1 also
Ensure the gap between floating structure 2 and pipeline 1, it is to avoid the thermal expansion of floating structure 2 restrained line 1.Resilient support 11 and the end
Portion's bearing 10 is fixing to be connected, and the resilient support 11 in this utility model can use spring supporting, or other resilient of tool
Support mode, this support not only reduces the stress of pipeline 1, it can also be ensured that the gap between floating structure 2 and pipeline 1, makes pipe
Road 1 energy free wxpansion, reduces the pipeline 1 stress level in bearing to greatest extent.
The axial force transmission that this utility model floating structure 2 bears is to rod assembly 5, by propping up of being connected with rod assembly 5
Support frame frame 6 bears.Use to be rotationally connected between rod assembly 5 and floating structure 2 and can ensure that rod assembly 5 and floating structure 2
Being solely subjected to axial force, it is not necessary to bear other side force, the stress making floating structure 2 and rod assembly 5 is relatively simple, Ke Yichong
Distribution is waved rod assembly 5 and is born the feature that axial force is strong, it is to avoid rod assembly 5 is by producing the risk of unstability during side force.Draw
Bar assembly 5 is rotationally connected with outside the floating structure of thermal insulation, is in relatively low operating temperature range, has higher strong
Degree, it is possible to bear bigger axial force.Rod assembly 5 is in the duty close to room temperature, and support frame 6 can be completely secured
Work at normal temperatures, it is ensured that the strength and stiffness of support frame 6.
This utility model baffle plate 3 and floating structure 2 along pipeline 1 circumference soldering is fitted and is transmitted the axial force of pipeline 1, floating
Leaving the gap more than pipeline 1 radial expansion volume between internal diameter and the pipeline 1 of dynamic structure 2, pipeline at high temperature can be the most swollen
Swollen, it is to avoid the welding type fixed support radial constraint to pipe expansion, substantially reduce pipeline at commissure and weld seam itself
Thermal stress.The baffle plate 3 being uniformly distributed along the circumference has only to the shearing force born vertically, can be relatively easy to the stress of weld seam
Level controls at reduced levels, and weld seam is only along the weld seam of pipeline, and weld seam itself is without temperature difference, without complicated stress shape
State, weld seam is not likely to produce crackle, and reliability is greatly increased.
This utility model arranges the guiding trestle of two groups of internal band heat isolating structures, lateral displacement same of restriction conduit 1
Time, the rotation of two groups of guiding trestle combination restriction conduit 1, reach the fixing purpose of pipeline 1.The guiding of internal band heat isolating structure is propped up
Frame 7 and guiding trestle 14 are due to the effect of internal combination thermal insulation so that it is base plate is relatively low at the spot temperature contacted with bearing, permissible
It is relatively easy to arrange conventional low friction pair to reduce frictional force.The guiding trestle of internal band heat isolating structure uses columnar structured
It is welded to connect with pipeline 1, in conjunction with outside insulation, makes to be welded to connect weld seam itself without temperature difference, the stress state that nothing is complicated, weldering
Seam is not likely to produce crackle, and reliability is greatly increased.
For large diameter pipeline, during for preventing unilateral guiding trestle spacing, there is torsional deflection in pipeline, leads for one group wherein
To support 7(or guiding trestle 14) top symmetry at set up guiding trestle 20, the base plate of guiding trestle 20 and steel structure frame
The reserved gap more than pipeline 1 thermal expansion amount between 19, it is ensured that allow the free wxpansion of pipeline 1；Three groups of guiding trestles common
Effect, can be entirely limited the pipeline all displacements in addition to axial displacement, reach fixing purpose.
Other undeclared part that this utility model relates to is same as the prior art.
Claims (10)
1. a high-temperature pipe combination fastener, is characterized in that it includes pipeline (1), described pipeline (1) is cased with in
Annular and the floating structure (2) that inside is cavity, described floating structure (2) is internal is packed with temperature insulating material, floating structure (2)
The gap more than pipeline (1) radial expansion volume is left between the external diameter of internal diameter and pipeline (1)；In the side of floating structure (2) or
Both sides are provided with the baffle plate (3) being fixed on described pipeline (1) outer wall, baffle plate (3) and the side laminating of floating structure (2), are floating
Dynamic structure (2) is additionally provided with the plate that is located by connecting (4), and the plate that is located by connecting (4) is hinged with one end of rod assembly (5), rod assembly (5)
The other end with support connecting plate (17) be hinged, described support connecting plate (17) is fixed in support frame (6), support frame
(6) side of pipeline (1) it is arranged on；The lower section of described floating structure (2) is provided with resilient support (11), and the bottom of pipeline (1) sets
There are guiding trestle (7), described guiding trestle (7) to be arranged on guide type shoe (9), guide type shoe (9) are provided with and are in guiding
The anti-rotation baffle plate (8) of support (7) both sides.
High-temperature pipe combination fastener the most according to claim 1, is characterized in that: described floating structure (2) is by two
Cross section is that the box semi-ring of rectangle connects composition integral loop by bolt, nut.
High-temperature pipe combination fastener the most according to claim 1, is characterized in that: described floating structure (2) is internal to be filled out
The temperature insulating material of plug is wrapped by steel wire.
High-temperature pipe combination fastener the most according to claim 1, is characterized in that: described baffle plate (3) is provided with polylith, it
Be uniformly arranged along the circumferencial direction of pipeline (1), the outer wall vertical of the plane of baffle plate (3) and pipeline (1), and with pipeline (1)
Axial line be in same plane.
High-temperature pipe combination fastener the most according to claim 1, is characterized in that: described support frame (6) is provided with two
Individual, they are respectively at the both sides of pipeline (1), and each support frame (6) is provided with two groups and supports connecting plate (17), respectively with two
Rod assembly (5) is hinged, and accordingly, the plate that is located by connecting (4) being on floating structure (2) is provided with four groups.
High-temperature pipe combination fastener the most according to claim 1, is characterized in that: the inside of described guiding trestle (7)
With heat isolating structure, the base plate of guiding trestle (7) is rectangular slab.
High-temperature pipe combination fastener the most according to claim 6, is characterized in that: described guiding trestle (7) base plate with
The friction pair reducing friction it is provided with between the contact surface of guide type shoe (9).
High-temperature pipe combination fastener the most according to claim 7, is characterized in that: leading of described guiding trestle and correspondence
Being provided with two groups to bearing, they are respectively at the both sides of floating structure (2).
High-temperature pipe combination fastener the most according to claim 8, is characterized in that: the top of described pipeline (1) is provided with
The guiding trestle of internal band heat isolating structure, the herein top board on guiding trestle and the contact surface of the steel structure support seat (19) above it
Between leave the gap more than pipeline (1) radial expansion volume, steel structure support seat (19) is provided with and is in guiding trestle top herein
Plate both sides anti-rotation baffle plate.
High-temperature pipe combination fastener the most according to claim 9, is characterized in that: described pipeline (1) top and bottom
One of which guiding trestle layout symmetrical above and below, described resilient support (11) is spring supporting, spring supporting and bottom support bracket
(10) fixing connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407845.7U CN205618825U (en) | 2016-05-09 | 2016-05-09 | High temperature tube says and makes up fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407845.7U CN205618825U (en) | 2016-05-09 | 2016-05-09 | High temperature tube says and makes up fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618825U true CN205618825U (en) | 2016-10-05 |
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ID=57025909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407845.7U Active CN205618825U (en) | 2016-05-09 | 2016-05-09 | High temperature tube says and makes up fixing device |
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| Country | Link |
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| CN (1) | CN205618825U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757350A (en) * | 2016-05-09 | 2016-07-13 | 南京晨光东螺波纹管有限公司 | High-temperature pipeline combining and fixing device |
| CN107631097A (en) * | 2017-09-27 | 2018-01-26 | 哈尔滨锅炉厂有限责任公司 | A kind of pipe clamp type pipe guider |
| CN109538829A (en) * | 2018-11-29 | 2019-03-29 | 北京宇航系统工程研究所 | A kind of accumulator anti-shake support construction |
| CN114108345A (en) * | 2021-11-19 | 2022-03-01 | 中车长春轨道客车股份有限公司 | Thermal stress relief structure |
-
2016
- 2016-05-09 CN CN201620407845.7U patent/CN205618825U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757350A (en) * | 2016-05-09 | 2016-07-13 | 南京晨光东螺波纹管有限公司 | High-temperature pipeline combining and fixing device |
| CN105757350B (en) * | 2016-05-09 | 2018-11-23 | 南京晨光东螺波纹管有限公司 | A kind of high-temperature pipe combination fastener |
| CN107631097A (en) * | 2017-09-27 | 2018-01-26 | 哈尔滨锅炉厂有限责任公司 | A kind of pipe clamp type pipe guider |
| CN109538829A (en) * | 2018-11-29 | 2019-03-29 | 北京宇航系统工程研究所 | A kind of accumulator anti-shake support construction |
| CN114108345A (en) * | 2021-11-19 | 2022-03-01 | 中车长春轨道客车股份有限公司 | Thermal stress relief structure |
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| C14 | Grant of patent or utility model | ||
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