CN106678445A - Multifunctional low-temperature pipe clamp and application thereof to correction and assembly of LNG ship low-temperature pipe - Google Patents
Multifunctional low-temperature pipe clamp and application thereof to correction and assembly of LNG ship low-temperature pipe Download PDFInfo
- Publication number
- CN106678445A CN106678445A CN201611154251.0A CN201611154251A CN106678445A CN 106678445 A CN106678445 A CN 106678445A CN 201611154251 A CN201611154251 A CN 201611154251A CN 106678445 A CN106678445 A CN 106678445A
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- CN
- China
- Prior art keywords
- pipe clamp
- temperature pipe
- low
- cryotronl
- multifunctional low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Clamps And Clips (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a multifunctional low-temperature pipe clamp and application thereof to correction and assembly of a LNG ship low-temperature pipe. The low-temperature pipe clamp comprises a pipe clamp main body; the pipe clamp main body includes two half clamp bodies, an adjusting bracket and an adjusting mechanism; the half clamp bodies are provided with multiple fixed holes; and the adjusting bracket penetrates through the fixed holes to fixedly connect with the adjusting mechanism. The low-temperature pipe clamp can synchronously finish ovality correction and spot welding assembly of the low-temperature pipe, is wider in application range and high in generality, saves the construction time, and improves the production efficiency; and the low-temperature pipe clamp is used for assembling the LNG ship low-temperature pipe, so that the assembly process of the low-temperature pipe can be simplified, and the assembly time of the low-temperature pipe is shortened.
Description
Technical field
The present invention relates to shipbuilding frock technical field, more particularly to multifunctional low-temperature pipe clamp and its low in LNG ship
Application in warm pipe correction and assembling.
Background technology
Pipe clamp applies to the pipeline tube for fixing folder with Oil, Water, Gas as medium, is generally used for heavy-duty machinery, building machine
The industries such as tool, ship, light textile and agricultural machinery.
LNG ship loads the particularity of goods due to it, that is, need to load liquefied natural gas, its deck, goods Machine Room etc.
Region need to assemble the Austenitic stainless steel pipe used under the conditions of a large amount of LNG ship worst cold cases（Hereinafter referred to as：Cryotronl）.It is generally low
Docked using Type of Welding between warm pipe, merging precision has high demands, welding requirements is tight.After cryotronl Butt Assembling, cryotronl meeting
It is deformed, therefore needs to be controlled the ovality of low temperature tube end in docking, and cryotronl Butt Assembling is welded
Before need just to carry out spot welding positioning after centering.
In the past, in constructing at the scene, cryotronl assembling separately carries out ovality correction with spot welding assembling, and this method has
Following deficiency：
Firstth, ovality, rear centering spot welding are first corrected, technique is loaded down with trivial details, and lost time is more, and production efficiency is relatively low.
Secondth, two sets of different frocks are used respectively, and frock cost is high.
3rd, the frock of the cryotronl correspondence different size of different latus rectums, frock lacks versatility.
To overcome the above, some is not enough, so having carried out the research of cryotronl correction and assembly method, attempts by multiplex
Way pipe clamp is corrected and docked simultaneously to two sections of low temperature tube ends.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, designs a kind of multifunctional low-temperature pipe clamp and its in LNG ship
Cryotronl is corrected and the application in assembling, solves cryotronl frock poor universality, and cryotronl is corrected complicated with assembly technology
Problem.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：
A kind of multifunctional low-temperature pipe clamp, including pipe clamp body, the pipe clamp body includes consistent semi-clamping body, the regulation of two structures
Support, governor motion, two semi-clamping bodies are bolted to connection, and the semi-clamping body includes bending section and two from bending section
The extension that end is extended, offers multiple equally distributed fixing holes on the bending section of the semi-clamping body, adjusting bracket is worn
Cross fixing hole to be fixedly connected with governor motion, spot welding region is provided between the adjusting bracket.
The governor motion includes adjusting nut, slide block, and the adjusting nut is fixedly connected with a slide block, and slide block is propped up with adjusting
Frame is fixedly connected.The adjusting nut is welded with slide block, and slide block is connected with adjusting bracket by trapezoidal thread, the spiral shell of trapezoidal thread
Stricture of vagina transmission efficiency is higher, more laborsaving relative to regular screw threads, is easy to site operation.
The adjusting bracket includes adjustable plate and the support being fixed on adjustable plate, and adjustable plate is arc, and support is at least
One.Adjustable plate place diameter of a circle is more than the external diameter of cryotronl, and the across flats of adjusting nut are more than the width of fixing hole
Degree.
External diameter of the radius of curvature of the semi-clamping body bending section more than cryotronl.In cryotronl assembling process, according to low temperature
The deformation of pipe all directions, by adjusting adjusting nut, makes adjustable plate apply pressure to cryotronl from all directions, so as to rectify
The ovality of positive cryotronl, makes two sections of cryotronls realize smooth docking.
A kind of multifunctional low-temperature pipe clamp is corrected and the application in assembling in LNG ship cryotronl, is comprised the following steps：
Step 1：Ovality correction and docking are carried out to the end of two sections of cryotronls by multifunctional low-temperature pipe clamp；
Step 2：Spot welding region between each adjustable plate of spot welding multifunctional low-temperature pipe clamp；
Step 3：Multifunctional low-temperature pipe clamp is removed, the joint of two sections of cryotronls is welded, the assembling of cryotronl is completed.
Ovality correction and assembled are carried out in the step 1 to the end of two sections of cryotronls to concretely comprise the following steps：
Step 1.1：The docking location of two sections of cryotronls of adjustment；
Step 1.2：Multifunctional low-temperature pipe clamp is fixed on by bolt for the joint of two sections of low temperature tube ends；
Step 1.3：According to the deformation of cryotronl joint, adjustment adjusting nut makes adjustable plate correct two sections of low temperature tube ends
Ovality so that the flexibility of the flexibility of the cryotronl adjustable plate of managing outer relative position with it matches.
Also include step 1.1.1 before the step 1.2：The tune of multifunctional low-temperature pipe clamp is adjusted according to the external diameter of cryotronl
Section nut, makes adjustable plate place diameter of a circle be more than cryotronl external diameter.
The positive beneficial effect of the present invention：
1st, low temperature pipe clamp of the invention can be corrected and Butt Assembling cryotronl simultaneously, save construction man-hour, improve production
Efficiency.
2nd, carry out while low temperature pipe clamp of the invention realizes correction and the Butt Assembling of cryotronl, realize correction work
Dress is two-in-one with assembly tooling, reduces the usage quantity of tool part, reduces the cost of manufacture of tool part.
3rd, the low temperature pipe clamp scope of application of the invention is wider, highly versatile, can be used for the cryotronl assembling of Multiple Type.It is right
In the cryotronl of different latus rectums, the adjusting bracket of low temperature pipe clamp need to be only changed, without the need for specially making suitable for its latus rectum
Low temperature pipe clamp, reduces the production quantity of tool part, reduces the cost of manufacture of tool part, realizes the repetition profit of tool part
With.
4th, slide block and adjusting bracket are connected using trapezoidal thread, and the screw-driven efficiency of trapezoidal thread is higher, relative to general
Logical screw thread is more laborsaving, is easy to site operation.
5th, pipe clamp body of the invention includes the consistent semi-clamping body of two structures, and two semi-clamping bodies are bolted company
Connect, construction convenient for assembly also can be reused after dismounting；And adjusting nut adopts standard parts and components, without the need for separately processing, subtract
Cost of manufacture is lacked.
6th, LNG ship cryotronl is corrected and is assembled using the multifunctional low-temperature pipe clamp of the present invention, can simultaneously complete cryotronl
Ovality correction and spot welding assembling, correction and the assembly technology of LNG ship cryotronl are simplified, when shortening the assembling of cryotronl
Between, reduce the frock cost in shipyard.
Description of the drawings
Fig. 1 is the dimensional structure diagram of multifunctional low-temperature pipe clamp of the present invention
Fig. 2 is the front view of multifunctional low-temperature pipe clamp of the present invention
Fig. 3 is the attachment structure schematic diagram of the adjusting bracket with governor motion of multifunctional low-temperature pipe clamp of the present invention
Fig. 4 is the front view of adjusting bracket of the present invention
Fig. 5 is the side view of adjusting bracket of the present invention
Fig. 6 is the structural representation of present invention slider
The concrete meaning of label is in figure：1 is pipe clamp body, and 2 is semi-clamping body, and 2-1 is bending section, and 2-2 is extension, and 3 is spiral shell
Bolt, 4 is adjusting bracket, and 4-1 is adjustable plate, and 4-2 is support, and 5 is governor motion, and 5-1 is adjusting nut, and 5-2 is slide block, and 6 are
Fixing hole, 7 is cryotronl, and 8 is spot welding region.
Specific embodiment
The specific embodiment of the present invention is illustrated below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 2, the multifunctional low-temperature pipe clamp of the present invention, including pipe clamp body 1, the pipe clamp body 1 includes two
The consistent semi-clamping body 2 of individual structure, adjusting bracket 4, governor motion 5, two semi-clamping bodies 2 are fixedly connected by bolt 3, and described half presss from both sides
Body 2 includes the extension 2-2, the bending section 2- of the semi-clamping body that bending section 2-1 and two ends from bending section 2-1 are extended
Multiple equally distributed fixing holes 6 are offered on 1, adjusting bracket 4 is fixedly connected through fixing hole 6 with governor motion 5.It is described each
Spot welding region 8 is provided between adjustable plate 4-1.
Referring to Fig. 3, Fig. 6, the governor motion 5 includes adjusting nut 5-1, slide block 5-2, the adjusting nut 5-1 and cunning
Block 5-2 is welded, and slide block 5-2 is connected with adjusting bracket 4 by trapezoidal thread.The across flats of the adjusting nut 5-1 are more than solid
Determine the width in hole 6, slide block 5-2 is the T-shaped of handstand.
Referring to Fig. 4, Fig. 5, the adjusting bracket 4 includes the adjustable plate 4-1 and support 4-2 being fixed on adjustable plate, adjusts
Plate 4-1 is arc, and support 4-2 is at least one.The flexibility of the adjustable plate 4-1 is curved with the cryotronl 7 of its present position
Curvature matches, external diameter of the adjustable plate 4-1 places diameter of a circle more than cryotronl 7.The curvature of the semi-clamping body bending section 2-1 half
External diameter of the footpath more than cryotronl 7.
In use, two sections of cryotronls 7 are docked, the docking location of two sections of cryotronls 7 is adjusted, then by cryotronl
The semi-clamping body 2 of folder is assemblied in the joint of cryotronl 7, screws the first bolt 3 to fix low temperature pipe clamp.Due to slide block 5-2 and tune
Section support 4 is connected using trapezoidal thread, and the screw-driven efficiency of trapezoidal thread is higher, more laborsaving relative to regular screw threads, when right
When the end of cryotronl 7 for connecing deforms, according to the deformation of all directions of cryotronl 7 of docking, by adjusting adjusting nut
5-1, makes adjustable plate 4-1 apply pressure to cryotronl 7 from all directions, so as to correct the ovality of cryotronl 7, makes two sections of low temperature
Pipe 7 realizes smooth docking；Then, the spot welding region 8 between each adjustable plate 4 of spot welding, after the completion of spot welding, removes low temperature pipe clamp, then
The joint of two sections of cryotronls 7 of welding.
Multifunctional low-temperature pipe clamp specifically includes following steps in the correction and the application of assembling of LNG ship cryotronl：
Step 1：Ovality correction and docking are carried out to the end of two sections of cryotronls by multifunctional low-temperature pipe clamp；
Step 2：Spot welding region 8 between each adjustable plate 4-1 of spot welding multifunctional low-temperature pipe clamp；
Step 3：Multifunctional low-temperature pipe clamp is removed, the joint of two sections of cryotronls is welded, the assembling of cryotronl is completed.
Ovality correction and assembled are carried out in the step 1 to the end of two sections of cryotronls to concretely comprise the following steps：
Step 1.1：The docking location of two sections of cryotronls of adjustment；
Step 1.2：Multifunctional low-temperature pipe clamp is fixed on by bolt 3 for the joint of two sections of low temperature tube ends；
Step 1.3：According to the deformation of cryotronl joint, adjustment adjusting nut 5-1 makes adjustable plate correct two sections of cryotronls
The ovality of end, so that the flexibility of the flexibility of the cryotronl 7 adjustable plate 4-1 that manages outer relative position with it matches.
Also include step 1.1.1 before the step 1.2：The tune of multifunctional low-temperature pipe clamp is adjusted according to the external diameter of cryotronl
Section nut 5-1, makes adjustable plate 4-1 places diameter of a circle more than the external diameter of cryotronl 7.
The operating temperature of LNG ship low temperature stainless steel tube is usually 163 DEG C of ﹣, and limiting temperature is 196 DEG C of ﹣.The correction of the present invention
Refer to assembling and two sections of low temperature tube ends are docked and carried out spot welding positioning.The low temperature pipe clamp of the application realizes rectifying for cryotronl
Just carry out with while Butt Assembling, reduce the usage quantity of tool part, reduce the cost of manufacture of tool part, while also saving
Construction man-hour has been saved, production efficiency has been improve, and the low temperature pipe clamp scope of application is wider, highly versatile can be suitably used for different tube diameters
Cryotronl.In use, for the cryotronl of different latus rectums, the adjustable plate of low temperature pipe clamp need to be only changed, without the need for
The low temperature pipe clamp suitable for its latus rectum is made in addition, the production quantity of tool part is reduced, and reduces the cost of manufacture of tool part,
Realize the recycling of tool part.The multifunctional low-temperature pipe clamp of the application is applied to into the correction and assembling of LNG ship cryotronl,
The ovality correction and spot welding assembling of cryotronl can be simultaneously completed, the assembly technology of cryotronl is simplified, cryotronl is shortened
Installation time, reduce the frock cost in shipyard.
Although above-described embodiment makes specific descriptions to the present invention, for one of ordinary skill in the art comes
Say, it is understood that can be modified based on present disclosure within the spirit and scope without departing from the present invention
Or improve, these modification and improvement are all within the spirit and scope of the present invention.
Claims (10)
1. a kind of multifunctional low-temperature pipe clamp, it is characterised in that：Including pipe clamp body（1）, the pipe clamp body（1）Including two
The consistent semi-clamping body of structure（2）, adjusting bracket（4）, governor motion（5）, two semi-clamping bodies（2）By bolt（3）It is fixedly connected,
The semi-clamping body（2）Including bending section（2-1）With from bending section（2-1）The extension that extends of two ends（2-2）, it is described
The bending section of semi-clamping body（2-1）On offer multiple equally distributed fixing holes（6）, adjusting bracket（4）Through fixing hole（6）With
Governor motion（5）It is fixedly connected, the adjusting bracket（4）Between be provided with spot welding region（8）.
2. multifunctional low-temperature pipe clamp according to claim 1, it is characterised in that：The governor motion（5）Including regulation spiral shell
It is female（5-1）, slide block（5-2）, the adjusting nut（5-1）With slide block（5-2）It is fixedly connected, slide block（5-2）With adjusting bracket（4）
It is fixedly connected.
3. multifunctional low-temperature pipe clamp according to claim 2, it is characterised in that：The adjusting nut（5-1）With slide block（5-
2）Welding, slide block（5-2）With adjusting bracket（4）Connected by trapezoidal thread.
4. the multifunctional low-temperature pipe clamp according to any one of claim 1-3, it is characterised in that：The adjusting bracket（4）
Including adjustable plate（4-1）With the support being fixed on adjustable plate（4-2）.
5. multifunctional low-temperature pipe clamp according to claim 4, it is characterised in that：The adjustable plate（4-1）For arc, support
（4-2）At least one.
6. multifunctional low-temperature pipe clamp according to claim 5, it is characterised in that：The adjustable plate（4-1）Be located the straight of circle
Footpath is more than cryotronl（7）External diameter.
7. multifunctional low-temperature pipe clamp according to claim 1, it is characterised in that：The adjusting nut（5-1）Square size
Degree is more than fixing hole（6）Width, the semi-clamping body bending section（2-1）Radius of curvature be more than cryotronl（7）External diameter.
8. the multifunctional low-temperature pipe clamp described in a kind of claim 1 is corrected and the application in assembling, its feature in LNG ship cryotronl
It is to comprise the following steps：
Step 1：Ovality correction and assembly are carried out to the end of two sections of cryotronls by multifunctional low-temperature pipe clamp；
Step 2：Spot welding region between each adjustable plate of spot welding multifunctional low-temperature pipe clamp；
Step 3：Multifunctional low-temperature pipe clamp is removed, the joint of two sections of cryotronls is welded, the assembling of cryotronl is completed.
9. multifunctional low-temperature pipe clamp according to claim 8 is corrected and the application in assembling, its feature in LNG ship cryotronl
It is ovality correction and assembled to be carried out to the end of two sections of cryotronls in the step 1 and is concretely comprised the following steps：
Step 1.1：The docking location of two sections of cryotronls of adjustment；
Step 1.2：Multifunctional low-temperature pipe clamp is fixed on by bolt for the joint of two sections of low temperature tube ends；
Step 1.3：According to the deformation of cryotronl joint, adjustment adjusting nut makes adjustable plate correct two sections of low temperature tube ends
Ovality so that the flexibility of the flexibility of the cryotronl adjustable plate of managing outer relative position with it matches.
10. multifunctional low-temperature pipe clamp according to claim 9 is corrected and the application in assembling in LNG ship cryotronl, and it is special
Levy and be, step 1.1.1 is also included before the step 1.2：The tune of multifunctional low-temperature pipe clamp is adjusted according to the external diameter of cryotronl
Section nut, makes adjustable plate place diameter of a circle more than the external diameter of cryotronl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154251.0A CN106678445A (en) | 2016-12-14 | 2016-12-14 | Multifunctional low-temperature pipe clamp and application thereof to correction and assembly of LNG ship low-temperature pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154251.0A CN106678445A (en) | 2016-12-14 | 2016-12-14 | Multifunctional low-temperature pipe clamp and application thereof to correction and assembly of LNG ship low-temperature pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678445A true CN106678445A (en) | 2017-05-17 |
Family
ID=58869221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611154251.0A Pending CN106678445A (en) | 2016-12-14 | 2016-12-14 | Multifunctional low-temperature pipe clamp and application thereof to correction and assembly of LNG ship low-temperature pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678445A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079418A (en) * | 2018-10-31 | 2018-12-25 | 唐山曹妃甸二十二冶工程技术有限公司 | Directly buried pipeline is to pipe connection and attaching method thereof |
| CN113953728A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Centering device for ship inner and outer field welding and using method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711920A (en) * | 1972-03-02 | 1973-01-23 | R Simmons | Pipe puller and alignment clamp |
| CN87209238U (en) * | 1987-06-20 | 1988-03-09 | 石油工业部管理局第一工程公司 | Light-weight butt welding machine for pipe external forming |
| JP2009291836A (en) * | 2008-06-05 | 2009-12-17 | Ogura Tekko Kk | Outside clamp type welded pipe groove aligning apparatus |
| CN203426644U (en) * | 2013-08-28 | 2014-02-12 | 南京南化建设有限公司 | Special device for assembling pipelines |
-
2016
- 2016-12-14 CN CN201611154251.0A patent/CN106678445A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3711920A (en) * | 1972-03-02 | 1973-01-23 | R Simmons | Pipe puller and alignment clamp |
| CN87209238U (en) * | 1987-06-20 | 1988-03-09 | 石油工业部管理局第一工程公司 | Light-weight butt welding machine for pipe external forming |
| JP2009291836A (en) * | 2008-06-05 | 2009-12-17 | Ogura Tekko Kk | Outside clamp type welded pipe groove aligning apparatus |
| CN203426644U (en) * | 2013-08-28 | 2014-02-12 | 南京南化建设有限公司 | Special device for assembling pipelines |
Non-Patent Citations (1)
| Title |
|---|
| 赵久文: "便携式整形外对口器", 《石油工程建设》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109079418A (en) * | 2018-10-31 | 2018-12-25 | 唐山曹妃甸二十二冶工程技术有限公司 | Directly buried pipeline is to pipe connection and attaching method thereof |
| CN113953728A (en) * | 2021-11-19 | 2022-01-21 | 沪东中华造船(集团)有限公司 | Centering device for ship inner and outer field welding and using method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |