CN207695954U - A kind of overturning of power station ultra-large type penstock, welded makeup are set - Google Patents
A kind of overturning of power station ultra-large type penstock, welded makeup are set Download PDFInfo
- Publication number
- CN207695954U CN207695954U CN201820027825.6U CN201820027825U CN207695954U CN 207695954 U CN207695954 U CN 207695954U CN 201820027825 U CN201820027825 U CN 201820027825U CN 207695954 U CN207695954 U CN 207695954U
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- CN
- China
- Prior art keywords
- bracket
- penstock
- supporting plate
- overturning
- power station
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a kind of overturning of power station ultra-large type penstock, welded makeups to set, including pedestal, L bracket, oblique angle equalizer bar and fixed frame, the pedestal fixes on the ground, the bending place of the bracket is hinged with pedestal, the bracket includes left supporting plate and right supporting plate, hinged with the long hydraulic cylinder for rotary bracket on the outside of the right supporting plate, the left supporting plate of the bracket is equipped with roll welding trolley；The oblique angle equalizer bar includes the beam body being obliquely installed, the steel wire rope of tie-beam body and hanging device and the lifting lug for lifting penstock；There are one the inclined-planes for being used to support bracket for the fixed frame tool；The holding time that utility model device can effectively shorten for hanging device simplifies working procedure, accelerates construction progress, while more safe and reliable.
Description
Technical field
The utility model is related to welding procedure device fields more particularly to a kind of power station ultra-large type penstock to overturn,
Welded makeup is set.
Background technology
Chinese large-sized, ultra-large type power station are on the increase in recent years, and Hydraulic Metal tends to enlargement, diversion pressure steel
The diameter of pipe is increasing, and head is higher and higher, such as：Five innings of Xinjiang some hydropower station penstock diameters undertaken the construction of of water power reach
6.2m, head height 400m, and the steel applied to penstock manufacture also tend to high intensity, such as in the Xinjiang water built
Power station diversion pressure steel tube uses 800MPa grades of high-strength steel, causes construction technology further cumbersome, technological requirement is further stringent.
In the manufacturing process of ultra-large type penstock, the length of Yin Dingzha planks, width cannot meet whole coiled sheet system
Requirement be due to domestic steel plate transport ability：Length cannot be more than 15m, and width cannot be more than 3m, therefore large-scale penstock
Making be substantially that multi-disc tile is assemblied into a full circle, Xinjiang some hydropower station is that 2 tiles are assemblied into a full circle,
Spelling mode is found in steel platform perpendicular to platform using tile to carry out.After the completion of tile assembly, longitudinal seam welding is carried out, if directly using
Door machine double lifting point carries out 90 ° of overturnings, can easily cause tube coupling because its caliber is excessive, weight is excessive and deform, in hoisting process slightly
The tube coupling vibrations that may result in and spelled are shaken, to make the longitudinal joint of spot welding be torn, and there are huge security risks.Tradition
Construction method be to be overturn using gantry crane after welding inner support is reinforced, due to Xinjiang some hydropower station penstock
The plank used is 800MPa grades, and spot-welding technology is cumbersome on its plank (need to preheat plank, it is laggard to remove support for ability spot welding
The polishing of row plate surface, repair welding are both needed to carry out according to qualification of welding procedure requirement, hot afterwards must keep the temperature).If conventionally
Carry out, the material consumption of inner support will be it is huge, and its construction efficiency estimated effective work day do not finish 2m's long
Overturning, the welding of steel pipe, cause stress steel pipe's production inefficiency, hanging device holding time is longer.
Utility model content
Technical problem to be solved in the utility model is ultra-large type high intensity penstock during longitudinal seam welding
The spot-welding technology of appearance is cumbersome, overturning is difficult, overturning has security risk, hanging device holding time is grown.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of power station ultra-large type pressure is provided
The overturning of power steel pipe, welded makeup are set, including pedestal, L bracket, oblique angle equalizer bar and fixed frame, the pedestal are fixed
On the ground, the bending place of the bracket and pedestal are hinged, and the bracket includes left supporting plate and right supporting plate, the right supporting plate outside
Hinged with the long hydraulic cylinder for rotary bracket, the left supporting plate of the bracket is equipped with roll welding trolley；The oblique angle equalizer bar
Lifting lug including the steel wire rope of beam body, tie-beam body and hanging device being obliquely installed and for lifting penstock；It is described solid
Determining chassis tool, there are one the inclined-planes for being used to support bracket.
Particularly, the inside of right supporting plate is equipped with multiple interior school round frames, and the interior school round frame includes supporting rack, support frame as described above
It is equipped with interior jacking cylinder, the interior jacking cylinder upper end is equipped with the idler wheel for being used to support penstock, the multiple interior school circle
The rounded arrangement of frame.
Particularly, it is additionally provided on the inside of the bracket side and is lifted off hydraulic cylinder.
Particularly, two blocks of tiles for constituting penstock are connected from different lifting lugs respectively；The section of the penstock
It is parallel to the beam body.
Compared with prior art, the utility model has the beneficial effects that：It effectively shortens hanging device holding time, reduces
Due to the round steel pipe deformation that penstock dead weight is susceptible to during longitudinal seam welding, simplifies operational procedure, avoid conventional point
The cumbersome technique of weldering, eliminates security risk, accelerates construction progress.
Description of the drawings
Fig. 1 is that utility model device lifts status diagram.
Fig. 2 is utility model device welded condition schematic diagram.
Fig. 3 is the utility model oblique angle balance beam structure schematic diagram.
Wherein, pedestal -1；Bracket -2；Left supporting plate -21；Right supporting plate -22；Fixed frame -3；Roll welding trolley -4；It is long
Hydraulic cylinder -5；Supporting rack -6；Interior jacking cylinder -61；Idler wheel -62；It is lifted off hydraulic cylinder -7；Beam body -8；Steel wire
Rope -9；Lifting lug -10.
Specific implementation mode
Below in conjunction with attached drawing, the utility model is described in further detail.
A kind of overturning of power station ultra-large type penstock, welded makeup are set, including pedestal 1, L bracket 2, oblique angle are flat
Balance beam and fixed frame 3, the pedestal 1 fix on the ground, and the bending place of the bracket 2 and pedestal 1 are hinged, the bracket 2
Including left supporting plate 21 and right supporting plate 22,22 outside of the right supporting plate and the long hydraulic cylinder 5 for rotating bracket 2 are hinged, stretch
The long hydraulic cylinder 5 may make the bracket 2 to be rotated around axis pin, and the left supporting plate 21 of the bracket 2 is equipped with roll welding platform
Vehicle 4, the roll welding trolley 4 are used for rotation pressure steel pipe, facilitate and weld longitudinal joint after erectting penstock；The oblique angle equalizer bar
Lifting lug 10 including the steel wire rope 9 of beam body 8, tie-beam body 8 and hanging device being obliquely installed and for lifting penstock；Institute
Stating the tool of fixed frame 3, there are one the inclined-planes for being used to support bracket 2.
The inside of the right supporting plate 22 is equipped with multiple interior school round frames, and the interior school round frame includes supporting rack 6, support frame as described above
6 are equipped with interior jacking cylinder 61, and 61 upper end of interior jacking cylinder is equipped with the idler wheel 62 for being used to support penstock, the multiple
The interior rounded arrangement of school round frame, after penstock is lifted on the bracket 2, by long hydraulic cylinder 5, by the bracket 2
It is that the idler wheel 62 is withstood on institute by vertical state at this time by the interior jacking cylinder 61 in interior school round frame by heeling condition jacking
The inner wall of penstock is stated, on the one hand plays the role of support, prevent penstock dead weight from leading to deformation, on the other hand play logical
Cross the effect of 62 school of idler wheel circle.
It is additionally provided on the inside of 2 side of the bracket and is lifted off hydraulic cylinder 7.By being lifted off hydraulic pressure after the bracket 2 is erect
Penstock is lifted off right supporting plate 22 by oil cylinder 7, facilitates 4 rotation pressure steel pipe of roll welding trolley.
The two panels tile for constituting penstock is connected from different lifting lugs 10 respectively；The section of the penstock is parallel；
When can just prevent in this way due to lifting vertically, steel pipe stress concentrates on caused penstock on one of tile and deforms even
Security risk caused by spot welding is detached from.
It is as follows：
High pressure steel pipe tile is tentatively assembled, and spot welding is secured after twice longitudinal joint outer wall is preheated, using mating oblique
Angle equalizer bar cooperation door machine is lifted, and two lifting lugs 10 of the oblique angle equalizer bar are connected to two tiles when lifting
On, so that two tiles is shared penstock gravity, prevents deformation and spot welding from falling off；By the preliminary lifting steel pipes spelled to skewed
After on the right supporting plate 22 of the L bracket 2 of state, the bracket 2 is subjected to 45 ° -90 ° jackings using long hydraulic cylinder 5, makes bracket 2
It erects；Then the steel pipe is lifted off bracket 80mm -150mm using the hydraulic cylinder 7 that is lifted off on right supporting plate 22, is convenient for roll welding
Trolley 4 rotates steel pipe；Idler wheel 62 is driven using interior jacking cylinder 61 so that idler wheel 62 abuts against the steel pipe inner wall, is justified
Degree is adjusted, and allows the deformation that longitudinal joint generates in the welding process in controlled range；Coordinate Lincoln weld using roll welding trolley 4
Machine will be close to weld after rotating another longitudinal joint to lower section after the longitudinal seam welding of left supporting plate 21, by steel after welding
Pipe is transferred from station, and entire welding process finishes.
Claims (4)
1. a kind of power station ultra-large type penstock overturning, welded makeup are set, which is characterized in that including pedestal (1), L-type
Bracket (2), oblique angle equalizer bar and fixed frame (3), the pedestal (1) fix on the ground, the bending place of the bracket (2) with
Pedestal (1) is hinged, and the bracket (2) includes left supporting plate (21) and right supporting plate (22), on the outside of the right supporting plate (22) with for turn
The long hydraulic cylinder (5) of dynamic bracket (2) is hinged, and the left supporting plate (21) of the bracket (2) is equipped with roll welding trolley (4)；It is described oblique
Angle equalizer bar includes the steel wire rope (9) of the beam body (8) being obliquely installed, tie-beam body (8) and hanging device and for lifting pressure
The lifting lug (10) of steel pipe；There are one the inclined-planes for being used to support bracket (2) for fixed frame (3) tool.
2. a kind of power station ultra-large type penstock overturning as described in claim 1, welded makeup are set, feature exists
It is equipped with multiple interior school round frames in the inside of, right supporting plate (22), the interior school round frame includes supporting rack (6), on support frame as described above (6)
Equipped with interior jacking cylinder (61), interior jacking cylinder (61) upper end is equipped with the idler wheel (62) for being used to support penstock, multiple
The interior rounded arrangement of school round frame.
3. a kind of power station ultra-large type penstock overturning as described in claim 1, welded makeup are set, feature exists
In bracket (2) the side inside, which is additionally provided with, is lifted off hydraulic cylinder (7).
4. a kind of power station ultra-large type penstock overturning as described in claim 1, welded makeup are set, feature exists
In two blocks of tiles for constituting penstock are connected from different lifting lugs (10) respectively；The section of the penstock is parallel to institute
State beam body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027825.6U CN207695954U (en) | 2018-01-05 | 2018-01-05 | A kind of overturning of power station ultra-large type penstock, welded makeup are set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027825.6U CN207695954U (en) | 2018-01-05 | 2018-01-05 | A kind of overturning of power station ultra-large type penstock, welded makeup are set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207695954U true CN207695954U (en) | 2018-08-07 |
Family
ID=63034688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820027825.6U Expired - Fee Related CN207695954U (en) | 2018-01-05 | 2018-01-05 | A kind of overturning of power station ultra-large type penstock, welded makeup are set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207695954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702304A (en) * | 2019-02-13 | 2019-05-03 | 武昌船舶重工集团有限公司 | A kind of cylinder tilting jig |
| CN112958986A (en) * | 2021-02-08 | 2021-06-15 | 中国铁建重工集团股份有限公司 | Steel pipe ring overturning tool |
-
2018
- 2018-01-05 CN CN201820027825.6U patent/CN207695954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702304A (en) * | 2019-02-13 | 2019-05-03 | 武昌船舶重工集团有限公司 | A kind of cylinder tilting jig |
| CN112958986A (en) * | 2021-02-08 | 2021-06-15 | 中国铁建重工集团股份有限公司 | Steel pipe ring overturning tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180807 |