CN220331203U - Special jacking tool for replacing butt-clamp butterfly valve - Google Patents
Special jacking tool for replacing butt-clamp butterfly valve Download PDFInfo
- Publication number
- CN220331203U CN220331203U CN202320446408.6U CN202320446408U CN220331203U CN 220331203 U CN220331203 U CN 220331203U CN 202320446408 U CN202320446408 U CN 202320446408U CN 220331203 U CN220331203 U CN 220331203U
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- CN
- China
- Prior art keywords
- clamping plate
- jacking
- butterfly valve
- clamping part
- replacing
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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.)
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- 239000013535 sea water Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
A special jacking tool for replacing a butt clamp type butterfly valve comprises an upper clamping part and a lower clamping part; the upper clamping part comprises an outer clamping plate B and an inner clamping plate A, the outer clamping plate B and the inner clamping plate A are connected through a dummy shaft B, a jacking shaft is arranged in the dummy shaft B, the outer clamping plate B is connected with an anti-falling connecting plate, and the whole upper clamping part is connected to the upper flange; the lower clamping part comprises an outer clamping plate A and an inner clamping plate B, the outer clamping plate A and the inner clamping plate B are connected through a dummy shaft A, a jacking anti-drop sleeve is placed in the dummy shaft A, and the whole lower clamping part is connected to the lower flange. The utility model realizes the complete machine replacement of the opposite clamping butterfly valve with different pipe diameters, can effectively open the universal tool of the two connecting flanges in order to enable the complete machine butterfly valve to be easily taken out and put in from the flanges, improves the working efficiency and controls the risk that foreign matters fall into the pipeline.
Description
Technical Field
The utility model belongs to the field of mechanical overhaul, and particularly relates to a special jacking tool for replacing a butt clamp type butterfly valve.
Background
The SEC system of the nuclear power plant is a safe water system for plants, the medium of the system is sea water, valves used in the system are butterfly valves and check valves which are similar in pairs, and the apertures are DN1200, DN700 and DN500.
During operation, the valves are opened and closed in place or the valves are in sealing failure and other common problems due to corrosion of the opened and closed valves and seawater, the valves are replaced integrally in each overhaul and daily window, and damaged valves are repaired in workshops.
The valve is replaced integrally, the two opposite clamping flanges are required to be spread for a gap of more than 5mm, the whole valve is convenient to take out and reload from the two flanges, the distances between the two flanges of the valve with different calibers are different, a set of universal tool is required to be developed, and the valve is convenient to use widely.
Disclosure of Invention
The utility model aims at: the device thoroughly solves the problem that when the whole machine of the clamp type butterfly valve of the nuclear power plant is replaced, two connecting flanges are effectively supported, so that the whole butterfly valve can be easily taken out and put in from the flanges.
The technical scheme of the utility model is as follows: a special jacking tool for replacing a butt clamp type butterfly valve comprises an upper clamping part and a lower clamping part;
the upper clamping part comprises an outer clamping plate B and an inner clamping plate A, the outer clamping plate B and the inner clamping plate A are connected through a dummy shaft B, a jacking shaft is arranged in the dummy shaft B, the outer clamping plate B is connected with an anti-falling connecting plate, and the whole upper clamping part is connected to the upper flange;
the lower clamping part comprises an outer clamping plate A and an inner clamping plate B, the outer clamping plate A and the inner clamping plate B are connected through a dummy shaft A, a jacking anti-drop sleeve is placed in the dummy shaft A, and the whole lower clamping part is connected to the lower flange.
The outside clamping plate B is connected with an anti-falling connecting plate and is screwed by bolts.
And a jacking jack is arranged in the jacking anti-drop sleeve.
The entire lower clamping member is bolted to the upper flange.
The entire lower clamping member is bolted to the lower flange.
An upper clamping member and a lower clamping member form a set of jacking tools, comprising two sets of jacking tools together.
The length dimension of the jacking shaft is changed, and the jacking shaft is suitable for butt-clamping butterfly valves with different calibers.
The hole pitch and the arc radius of the inner clamping plate A, the inner clamping plate B, the outer clamping plate A and the outer clamping plate B are changed, so that the butterfly valve is suitable for butt-clamping butterfly valves with different calibers
The utility model has the remarkable effects that: the double-clamp butterfly valve has the advantages that the whole butterfly valve can be replaced by double-clamp butterfly valves with different pipe diameters, so that the whole butterfly valve can be easily taken out and put in from the flanges, the universal tool for two connecting flanges can be effectively spread, the working efficiency is improved, and the risk that foreign matters fall into a pipeline is controlled.
Drawings
FIG. 1 is a schematic diagram of the effect of the special lifting tool for replacing a butt clamp butterfly valve.
Fig. 2 is a schematic view of the assembly of the upper clamping member.
Fig. 3 is a schematic view of the assembly of the lower clamping member.
In the figure: the anti-falling sleeve is lifted by the outer clamping plate A and the outer clamping plate B, the anti-falling connection is performed by the outer clamping plate B and the outer clamping plate B, the anti-falling connection is performed by the outer clamping plate 5, the false shaft A6, the inner clamping plate A7, the inner clamping plate B8, the lower flange 9, the upper flange 10, the false shaft B11 and the bolts 12.
Detailed Description
A special jacking tool for replacing a butt clamp type butterfly valve comprises an upper clamping part and a lower clamping part;
the upper clamping part comprises an outer clamping plate B4 and an inner clamping plate A7, the outer clamping plate B4 and the inner clamping plate A7 are connected through a dummy shaft B11, a jacking shaft 3 is arranged in the dummy shaft B11, the outer clamping plate A4 is connected with an anti-falling connecting plate 5 and is screwed by bolts 12, and the whole lower clamping part is connected to the upper flange 10 by bolts.
The lower clamping part comprises an outer clamping plate A1 and an inner clamping plate B8, the outer clamping plate A1 and the inner clamping plate B8 are connected through a dummy shaft A6, a jacking anti-drop sleeve 2 is arranged in the dummy shaft A6, and the whole lower clamping part is connected to a lower flange 9 through bolts.
As shown in fig. 1, at least two jacking tools are installed, a jacking jack is placed in the jacking anti-drop sleeve 2, and the jacking shaft 3 is directly jacked, so that the operation of symmetrically jacking and expanding the flange is realized.
The special jacking tool of the opposite clamping butterfly valve with different calibers can change the length dimension of the jacking shaft 3 according to the thickness dimension of the opposite clamping butterfly valve, so as to facilitate the jacking travel of the jack; and changing the hole distances and the arc radiuses of the outer clamping plate and the inner clamping plate according to the center distances of the bolt holes of the pipeline flanges.
In conclusion, the utility model has good creation effect, thoroughly solves the problem of difficult flange opening of the clamp butterfly valve, and has no potential foreign matter risk hidden trouble.
Claims (7)
1. The utility model provides a change special jacking instrument of clamp butterfly valve which characterized in that: comprises an upper clamping part and a lower clamping part;
the upper clamping part comprises an outer clamping plate B (4) and an inner clamping plate A (7), the outer clamping plate B (4) and the inner clamping plate A (7) are connected through a dummy shaft B (11), a jacking shaft (3) is arranged in the dummy shaft B (11), the outer clamping plate B (4) is connected with an anti-falling connecting plate (5), and the whole upper clamping part is connected to an upper flange (10);
the lower clamping part comprises an outer clamping plate A (1) and an inner clamping plate B (8), wherein the outer clamping plate A (1) and the inner clamping plate B (8) are connected through a dummy shaft A (6), a jacking anti-falling sleeve (2) is placed in the dummy shaft A (6), and the whole lower clamping part is connected to a lower flange (9).
2. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: the outside clamping plate B (4) is connected with the anti-falling connecting plate (5) and is screwed by bolts (12).
3. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: and a jacking jack is arranged in the jacking anti-drop sleeve (2).
4. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: the entire lower clamping part is bolted to the upper flange (10).
5. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: an upper clamping member and a lower clamping member form a set of jacking tools, comprising two sets of jacking tools together.
6. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: the length of the jacking shaft (3) is changed, and the butterfly valve is suitable for butt-clamping butterfly valves with different calibers.
7. The special jacking tool for replacing a butt clamp butterfly valve according to claim 1, wherein: the hole pitch and the arc radius of the inner clamping plate A (7), the inner clamping plate B (8), the outer clamping plate A (1) and the outer clamping plate B (4) are changed, so that the butterfly valve is suitable for butt-clamping butterfly valves with different calibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320446408.6U CN220331203U (en) | 2023-03-10 | 2023-03-10 | Special jacking tool for replacing butt-clamp butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320446408.6U CN220331203U (en) | 2023-03-10 | 2023-03-10 | Special jacking tool for replacing butt-clamp butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220331203U true CN220331203U (en) | 2024-01-12 |
Family
ID=89447190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320446408.6U Active CN220331203U (en) | 2023-03-10 | 2023-03-10 | Special jacking tool for replacing butt-clamp butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220331203U (en) |
-
2023
- 2023-03-10 CN CN202320446408.6U patent/CN220331203U/en active Active
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