CN107476772A - It is a kind of using large-diameter thread installation method of the spring balancing than pressure - Google Patents
It is a kind of using large-diameter thread installation method of the spring balancing than pressure Download PDFInfo
- Publication number
- CN107476772A CN107476772A CN201710796313.6A CN201710796313A CN107476772A CN 107476772 A CN107476772 A CN 107476772A CN 201710796313 A CN201710796313 A CN 201710796313A CN 107476772 A CN107476772 A CN 107476772A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- male thread
- thread workpiece
- spring
- middle plate
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- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 239000011120 plywood Substances 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Springs (AREA)
Abstract
Included the invention discloses a kind of using large-diameter thread installation method of the spring balancing than pressure, step：1) it is firm to be connected the middle plate in installation tool with male thread workpiece by bolt, and box thread workpiece is reliably fixed；Male thread workpiece is sling by hanger, placed according to male thread workpiece in locus upper, that box thread workpiece is under；Power caused by the deadweight of male thread workpiece, passes to spring by middle plate, spring is in compressive state；2) slowly transfer male thread workpiece and aligned with box thread workpiece, the distance of measurement male thread workpiece lower surface and box thread workpiece upper surface；3) continue to transfer male thread workpiece and the overhead traveling crane that hovers during positive pole whorl work piece thread contact, rotate male thread workpiece, screwed by spring；After certain distance is threaded into, overhead traveling crane is transferred again, continue precession male thread workpiece, such circulate operation, complete the snapping of screw thread.The method of the present invention, frock is simple, easy to operate.
Description
Technical field
The invention belongs to sea oil drilling and production equipment manufacturing technical field, is related to a kind of big more straight than pressure using spring balancing
Footpath screw thread installation method.
Background technology
Subsea production tree is one of Core equipment of subsea production system, is the critical equipment of ocean deepwater oil and gas development,
Its main function is that Oil, Water, Gas that will be produced in Oil/gas Well etc. is controllably transported to production platform or land terminal from seabed.Spiral shell
Line connection is the connected mode commonly used in plant equipment between each part, and there is many advantages, such as convenient disassembly, carrying is big to obtain
Extensive use, subsea production tree also uses the type of attachment of screw thread and other underwater kits interconnect.
Although being threaded with many advantages, as subsea production tree it is this by major diameter, heavy duty connection screw thread,
In its assembling process, influenceed by connector appearance and size, cause equipment not clamp, it is not easy to operate；Simultaneously equipment by itself
The influence of deadweight, because the frictional force between screw thread pair is big when vertical docking fastens, often result in screw thread pair thread gluing, sintering.How to have
Effect ground carries out the assembling of heavily loaded large-diameter thread, turns into a urgent problem.
The content of the invention
It is an object of the invention to provide a kind of using large-diameter thread installation method of the spring balancing than pressure, solve existing
Technology in an assembling process, due to being influenceed by mounting condition limitation or dead weight, causes between screw thread in large-diameter thread
Impact or collision；During threaded engagement, cause screw thread pair is stuck to burn the problem of detaining because frictional force is excessive.
The technical solution adopted in the present invention is, a kind of using large-diameter thread installation method of the spring balancing than pressure, profit
With a kind of installation tool, implement according to following implementation steps：
Step 1, assembling installation tool, sling male thread workpiece,
It is firm that middle plate in installation tool is connected by bolt with male thread workpiece, and box thread workpiece is reliably solid
It is fixed；Male thread workpiece is sling by hanger, placed according to male thread workpiece in locus upper, that box thread workpiece is under；It is public
Power caused by whorl work piece deadweight, passes to spring by middle plate, spring is in compressive state；
Step 2, male thread workpiece is aligned into box thread workpiece and transfers to certain position,
Slowly transfer male thread workpiece and aligned with box thread workpiece, measurement male thread workpiece lower surface and box thread workpiece
The distance of upper surface；
Step 3, continue to transfer male thread workpiece and carry out spinner with positive pole whorl work piece,
Continue to transfer male thread workpiece and the overhead traveling crane that hovers during positive pole whorl work piece thread contact, rotate male thread workpiece, lead to
Spring is crossed to be screwed；After certain distance is threaded into, overhead traveling crane is transferred again, continues precession male thread workpiece, so circulation
Operation, complete the snapping of screw thread.
The present invention using large-diameter thread installation method of the spring balancing than pressure, be further characterized in that：
Described installation tool structure is, including top plate, middle plate and lower plywood, hanger are welded on top plate, in
Laminate lower surface is welded with upper shell, and lower plywood upper surface is welded with lower shell, and upper shell bottom is put in lower shell inner chamber,
Upper shell and lower shell periphery are set with spring, the upper and lower side of spring respectively with middle plate and lower plywood apical grafting；Screw rod on to
Under sequentially pass through top plate, middle plate and upper shell, lower shell and lower plywood, and screw rod is set with top plate upper surface location
There is first nut, screw rod is set with second nut in middle plate upper surface location, and screw rod is in lower plywood lower surface position set
Equipped with the 3rd nut.
Described top plate, middle plate and lower plywood is annular.
Described top plate, middle plate are consistent with the specification of lower plywood.
Described middle plate inner ring position is provided with a circle bolt hole, for installation bolt.
The invention has the advantages that when can effectively avoid the screw thread from dismounting caused by mounting condition limitation or dead weight
Impact or collide between screw thread, avoid causing screw thread pair stuck because frictional force is excessive during threaded engagement, burn the phenomenon of button,
Specifically include：
1) reduce or offset the caused impulsive force in product transfers docking operation vertically, so as to avoid screw thread from being impacted
Deform or destroy caused by and.
2) normal pressure of screw thread secondary surface during spinner is effectively reduced, so as to significantly reduce the frictional force between screw thread,
The thread gluing that avoids occurring during screw threads for fastening to greatest extent, burn phenomenon to death.
3) reduce labor intensity, due to alleviating screw thread normal pressure, frictional force is reduced, so as to reduce turning moment.
Brief description of the drawings
Fig. 1 is connected together with male thread workpiece and sling by shackle after the installation tool in the present invention is completed
Situation after being aligned with box thread workpiece, in running order one；
Situation when Fig. 2 is spinner, in running order two.
In figure, 1. top plates, 2. middle plates, 3. lower plywoods, 4. screw rods, 5. upper shells, 6. lower shells, 7. springs, 8. spiral shells
Mother, 9. bolts, 10. male thread workpiece, 11. box thread workpiece.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Reference picture 1, Fig. 2, the inventive method use installation tool structure be, including be annular top plate 1, in
Laminate 2 and lower plywood 3, the top plate 1, middle plate 2 are consistent with the specification of lower plywood 3；Hanger is welded on top plate 1,
The lower surface of middle plate 2 is welded with upper shell 5, and the upper surface of lower plywood 3 is welded with lower shell 6, and the bottom of upper shell 5 puts in lower shell 6
In inner chamber, spring 7 is set with upper shell 5 and the periphery of lower shell 6, the upper and lower side of spring 7 respectively with middle plate 2 and lower plywood 3
Apical grafting；Screw rod 4 sequentially passes through top plate 1, middle plate 2 and upper shell 5, lower shell 6 and lower plywood 3, and screw rod 4 from top to bottom
First nut 8 is set with the upper surface location of top plate 1, screw rod 4 is set with second nut in the upper surface location of middle plate 2
8, screw rod 4 is set with the 3rd nut 8 in the lower surface position of lower plywood 3, can be pre- by the upper-lower position change of three nuts 8
First adjust the decrement of spring 7；
Top plate 1, middle plate 2 and lower plywood 3 and spring 7 are connected as a single entity by screw rod 4 by three nuts 8；In middle plate 2
Inner ring position is provided with a circle bolt hole, for installation bolt 9, realizes the connection of installation tool and target workpiece.
The installation method of the present invention, using above-mentioned installation tool, implement according to following implementation steps：
Step 1, assembling installation tool, sling male thread workpiece 10
It is firm that middle plate 2 in installation tool is connected by bolt 9 with male thread workpiece 10, can by box thread workpiece 11
By fixation；Male thread workpiece 10 is sling by hanger, according to male thread workpiece 10 in space bit upper, that box thread workpiece 11 is under
Placement location；Male thread workpiece 10 is conducted oneself with dignity caused power, is passed to spring 7 by middle plate 2, spring 7 is in compressive state, this
When in running order see Fig. 1；
Step 2, male thread workpiece 10 is aligned into box thread workpiece 11 and transfers to certain position
Slowly transfer male thread workpiece 10 and aligned with box thread workpiece 11, the lower surface of measurement male thread workpiece 10 and female spiral shell
The distance of the upper surface of line workpiece 11；Because the effect of spring 7 effectively can alleviate or mitigate impact and collision during decentralization, public spiral shell is prevented
Line workpiece 10 and positive pole whorl work piece 11 collide with damaged screw；
Step 3, continue to transfer male thread workpiece 10 and carry out spinner with positive pole whorl work piece 11
Continue to transfer male thread workpiece 10 and the overhead traveling crane that hovers during positive pole 11 thread contact of whorl work piece, rotate male thread workpiece
10, screwed by spring 7；After certain distance is threaded into, overhead traveling crane is transferred again, continues precession male thread workpiece 10,
Such circulate operation, the snapping of screw thread is completed, be now in working condition two and see Fig. 2, effectively reduce screw thread during spinner
The normal pressure of secondary surface, so as to significantly reduce the frictional force between screw thread, the thread gluing for avoiding occurring during screw threads for fastening to greatest extent,
Burn phenomenon to death.
The inventive method has the advantage that compared with traditional overhead traveling crane is directly sling, transfers the assembly method of workpiece：
1) stage is aligned in screw thread, overhead traveling crane decentralization process, because overhead traveling crane decentralization is too fast, causes the impact to screw thread unavoidably,
Using the inventive method, impact and collision between workpiece are effectively alleviated and mitigated to spring 7.
2) during being threaded into, it is necessary to transfer overhead traveling crane again, because spring 7 is in compressive state, therefore, day is transferred
Car is exactly release spring 7 in fact, and too fast, excessive impact will not be caused to screw thread.
3) in conventional assembling process, screw thread directly bears the gravity of huge workpiece, and direction is downward, and screw thread stress is non-adjustable
Section；Using the inventive method, screw thread only slowly bears spring force, and direction is upward, and screw thread stress can be real according to amount of spring compression
When control.
4) spring pre compressed magnitude can be adjusted, and avoid caused by telescopic spring workpiece violent play repeatedly up and down；Precommpression
Power is bigger, and play is smaller, conversely, the smaller play of pre-compression force is bigger.
Claims (5)
- It is 1. a kind of using large-diameter thread installation method of the spring balancing than pressure, it is characterised in that to utilize a kind of installation tool, press Implement according to following implementation steps：Step 1, assembling installation tool, sling male thread workpiece (10),It is firm that middle plate (2) in installation tool is connected by bolt (9) with male thread workpiece (10), by box thread workpiece (11) it is reliable fixed；Male thread workpiece (10) is sling by hanger, according to male thread workpiece (10) in upper, box thread workpiece (11) Place locus under；Power caused by male thread workpiece (10) deadweight, passes to spring (7) by middle plate (2), makes bullet Spring (7) is in compressive state；Step 2, male thread workpiece (10) is aligned into box thread workpiece (11) and transfers to certain position,Slowly transfer male thread workpiece (10) and aligned with box thread workpiece (11), measurement male thread workpiece (10) lower surface and mother The distance of whorl work piece (11) upper surface；Step 3, continue to transfer male thread workpiece (10) and carry out spinner with positive pole whorl work piece (11),Continue to transfer male thread workpiece (10) and the overhead traveling crane that hovers during positive pole whorl work piece (11) thread contact, rotate male thread workpiece (10), screwed by spring (7)；After certain distance is threaded into, overhead traveling crane is transferred again, continues precession male thread workpiece (10), such circulate operation, the snapping of screw thread is completed.
- It is 2. according to claim 1 using large-diameter thread installation method of the spring balancing than pressure, it is characterised in that：It is described Installation tool structure be that including top plate (1), middle plate (2) and lower plywood (3), hanger are welded on top plate (1), in Laminate (2) lower surface is welded with upper shell (5), and lower plywood (3) upper surface is welded with lower shell (6), and upper shell (5) bottom is put in In lower shell (6) inner chamber, spring (7) is set with upper shell (5) and lower shell (6) periphery, the upper and lower side of spring (7) respectively with Middle plate (2) and lower plywood (3) apical grafting；Screw rod (4) sequentially passes through top plate (1), middle plate (2) and upper shell from top to bottom (5), lower shell (6) and lower plywood (3), and screw rod (4) is set with first nut (8) in top plate (1) upper surface location, Screw rod (4) is set with second nut (8) in middle plate (2) upper surface location, and screw rod (4) is in lower plywood (3) lower surface position It is set with the 3rd nut (8).
- It is 3. according to claim 2 using large-diameter thread installation method of the spring balancing than pressure, it is characterised in that：It is described Top plate (1), middle plate (2) and lower plywood (3) be annular.
- It is 4. according to claim 2 using large-diameter thread installation method of the spring balancing than pressure, it is characterised in that：It is described Top plate (1), middle plate (2) it is consistent with the specification of lower plywood (3).
- It is 5. according to claim 2 using large-diameter thread installation method of the spring balancing than pressure, it is characterised in that：It is described Middle plate (2) inner ring position be provided with a circle bolt hole, for installation bolt (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796313.6A CN107476772B (en) | 2017-09-06 | 2017-09-06 | A kind of large-diameter thread installation method using spring balancing than pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710796313.6A CN107476772B (en) | 2017-09-06 | 2017-09-06 | A kind of large-diameter thread installation method using spring balancing than pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107476772A true CN107476772A (en) | 2017-12-15 |
| CN107476772B CN107476772B (en) | 2019-09-24 |
Family
ID=60584612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710796313.6A Expired - Fee Related CN107476772B (en) | 2017-09-06 | 2017-09-06 | A kind of large-diameter thread installation method using spring balancing than pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476772B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010012555A (en) * | 2008-07-03 | 2010-01-21 | Ihi Corp | Tool for automatic screwing device |
| CN202639783U (en) * | 2012-07-13 | 2013-01-02 | 中国北车集团沈阳机车车辆有限责任公司 | Pressing and fixing tool for safe cable joint |
| CN104476173A (en) * | 2014-11-24 | 2015-04-01 | 宝鸡石油机械有限责任公司 | Method for preventing thread pair from sticking in dismounting and mounting of large-diameter threads |
| CN205043444U (en) * | 2015-09-11 | 2016-02-24 | 张树国 | Runway type bolt elongator |
| CN205154068U (en) * | 2015-11-24 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Locking device is fixed a position to mechanical type for chuck |
-
2017
- 2017-09-06 CN CN201710796313.6A patent/CN107476772B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010012555A (en) * | 2008-07-03 | 2010-01-21 | Ihi Corp | Tool for automatic screwing device |
| CN202639783U (en) * | 2012-07-13 | 2013-01-02 | 中国北车集团沈阳机车车辆有限责任公司 | Pressing and fixing tool for safe cable joint |
| CN104476173A (en) * | 2014-11-24 | 2015-04-01 | 宝鸡石油机械有限责任公司 | Method for preventing thread pair from sticking in dismounting and mounting of large-diameter threads |
| CN205043444U (en) * | 2015-09-11 | 2016-02-24 | 张树国 | Runway type bolt elongator |
| CN205154068U (en) * | 2015-11-24 | 2016-04-13 | 宝鸡石油机械有限责任公司 | Locking device is fixed a position to mechanical type for chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107476772B (en) | 2019-09-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210108 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 |