CN209524226U - A kind of low pressure pipeline branch pipe connection device for plugging - Google Patents
A kind of low pressure pipeline branch pipe connection device for plugging Download PDFInfo
- Publication number
- CN209524226U CN209524226U CN201822021786.1U CN201822021786U CN209524226U CN 209524226 U CN209524226 U CN 209524226U CN 201822021786 U CN201822021786 U CN 201822021786U CN 209524226 U CN209524226 U CN 209524226U
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- fixture block
- branch pipe
- pipe connection
- low pressure
- elevator
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Abstract
The utility model belongs to nuclear power station maintenance technique field, and in particular to a kind of low pressure pipeline branch pipe connection device for plugging and its blocking method, including elevator, to fixture block A, to fixture block B, fastening bolt, elevator fastening nut and otic placode；It is described that fixture block A is fixedly connected with folder by clamping bolt with to fixture block B, it is described to fixture block A and to otic placode is provided on the outside of fixture block B, otic placode lifting hole(eyelet) is provided on the otic placode；The elevator both ends are penetrated to fixture block A and in the otic placode lifting hole(eyelet) of fixture block B, and are connected and fixed by elevator fastening nut.
Description
Technical field
The utility model belongs to nuclear power station maintenance technique field, and in particular to a kind of low pressure pipeline branch pipe connection leak stopping dress
It sets.
Background technique
Nuclear power plant technique system contains the carbon steel piping of a large amount of low pressure steam medium, and there are two-phases for many carbon steel pipings
Flow medium is easy to produce Flow accelerated corrosion, and pipeline is caused to be thinned, thus there is the defect leaked, medium continuous erosion pipeline,
Along with the vibration of pipeline influences, it is easy to be broken pipeline.Many times the defect of these leakages is appeared in and is responsible for
On connected branch pipe, the especially attachment weld of branch pipe and supervisor.Many process system pipelines cannot when unit operates normally
Isolation maintenance, therefore the pipeline for defect occur will affect unit safety stable operation.
Branch pipe is broken when low pressure pipeline branch pipe connection leaks in order to prevent, while defect of stopping a leak, it is therefore desirable to be formulated
The device and blocking method of one anti-branch pipe fracture when leaking for low pressure pipeline branch pipe connection, prevent low pressure pipeline branch pipe connection
Leakage and fracture impact unit safety stable operation.
Utility model content
The utility model aim is to provide a kind of low pressure pipeline branch pipe connection leak stopping dress in view of the above shortcomings of the prior art
It sets, for solving the technical issues of low pressure pipeline branch pipe connection leakage branch pipe is broken.
The technical solution of the utility model is:
A kind of low pressure pipeline branch pipe connection device for plugging, including elevator, to fixture block A, tight to fixture block B, fastening bolt, elevator
Gu nut and otic placode；It is described that fixture block A is fixedly connected with folder by fastening bolt with to fixture block B, it is described to fixture block A and to fixture block
It is provided with otic placode on the outside of B, is provided with otic placode lifting hole(eyelet) on the otic placode；The elevator both ends are penetrated to fixture block A and to fixture block B's
In otic placode lifting hole(eyelet), and it is connected and fixed by elevator fastening nut.
It is described to fixture block A and be T font structure to fixture block B, to fixture block A and being provided with to folder face center to fixture block B
Semicircle groove, for placing branch pipe connection, the two halves round recessed internal diameter is identical, and the semicircle groove internal diameter connects with branch pipe
Head outer diameter matches.
Compression sealing strip is additionally provided between the two halves round recessed and branch pipe connection outer diameter.
The elevator generally U-shaped structure, the both ends of the elevator are equipped with external screw thread.
It is described to match to fixture block A and to spacing between the two otic placode lifting hole(eyelet)s opened up on fixture block B with low pressure pipeline outer diameter.
The fastening bolt quantity is four.
The utility model has the following beneficial effects:
1, the utility model utilizes original leakage point Pipe installing arragement construction, designs a kind of fixture of special construction, benefit
Pulling force is provided for branch pipe with the fixture of design, prevents its fracture；
2, present apparatus environmental sealing adhesive tape on the outside of leakage point forms seal pressure using bolt fastening pipe clamp, eliminates and is situated between
Matter leakage defect；
3, present apparatus structure is simple, and the set-up time is short, can eliminate defect rapidly, reduces personnel's operation intensity.
Detailed description of the invention
Fig. 1 is a kind of low pressure pipeline branch pipe connection device for plugging schematic diagram designed by the utility model；
Fig. 2 is a kind of low pressure pipeline branch pipe connection device for plugging scheme of installation designed by the utility model；
Fig. 3 is a kind of low pressure pipeline branch pipe connection device for plugging installation sectional view designed by the utility model.
Wherein, 1- elevator, 2- is to fixture block A, and 3- is to fixture block B, 4- fastening bolt, 5- elevator fastening nut, 6- otic placode, 7-
Sealing joint strip, 8- branch pipe connection, 9- otic placode lifting hole(eyelet).
Specific embodiment
The utility model technology is described further below:
As shown in Figures 1 to 3, a kind of low pressure pipeline branch pipe connection device for plugging, comprising: elevator 1, to fixture block A2, to fixture block
B3, fastening bolt 4, elevator fastening nut 5 and otic placode；It is described to pass through fastening bolt 4 to clamping fixed to fixture block A2 and to fixture block B3
Connection, it is described to fixture block A2 and to otic placode 6 is provided on the outside of fixture block B3, otic placode lifting hole(eyelet) 9 is provided on the otic placode 6；It is described
1 both ends of elevator are penetrated to fixture block A2 and in the otic placode lifting hole(eyelet) 9 of fixture block B3, and are connected and fixed by elevator fastening nut 5.
It is described to fixture block A2 and be T font structure to fixture block B3, to fixture block A2 and to fixture block B3 to folder face center
Be provided with semicircle groove, for placing branch pipe connection 8, the two halves round recessed internal diameter is identical, the semicircle groove internal diameter with
8 outer diameter of branch pipe connection matches.
It is additionally provided between 8 outer diameter of the two halves round recessed and branch pipe connection and compresses sealing strip 7.
The elevator 1 generally U-shaped structure, the both ends of the elevator 1 are equipped with external screw thread.
It is described to fixture block A2 and to spacing between the two otic placode lifting hole(eyelet)s 9 opened up on fixture block B3 and low pressure pipeline outer diameter phase
Match.
4 quantity of fastening bolt is four.
A kind of blocking method of low pressure pipeline branch pipe connection device for plugging as described above, includes the following steps:
Step 1: being pressed on the leak source of branch pipe connection 8 first with sealing joint strip 7, then will be to fixture block A2 and to fixture block
B3 fastens folder using fastening bolt 4；
Step 2: compressing sealing joint strip 7,1 both ends of elevator be then each passed through the otic placode lifting hole(eyelet) 10 on two pairs of fixture blocks, across
Low pressure pipeline branch pipe is crossed, is hung to fixture block A2 and to fixture block B3, then fastens elevator 1 using elevator fastening nut 5, is tensed to folder
Block A2 and to fixture block B3；
Step 3: it recycles fastening bolt 4 to continue fastening to fixture block A2 and to fixture block B3, sealing joint strip 7 is compressed, until disappearing
Except the leakage defect on branch pipe connection 8.
The utility model is explained in detail above in conjunction with embodiment, but the utility model is not limited to above-mentioned implementation
Example, within the knowledge of a person skilled in the art, can also be in the premise for not departing from the utility model aims
It is lower that various changes can be made.The content being not described in detail in the utility model can use the prior art.
Claims (6)
1. a kind of low pressure pipeline branch pipe connection device for plugging, it is characterised in that: including elevator (1), to fixture block A (2), to fixture block B
(3), fastening bolt (4), elevator fastening nut (5) and otic placode (6)；It is described to pass through fastening spiral shell to fixture block A (2) and to fixture block B (3)
Bolt (4) is fixedly connected with folder, described to be provided with otic placode (6) to fixture block A (2) and to the outside fixture block B (3), on the otic placode (6)
It is provided with otic placode lifting hole(eyelet) (9)；Elevator (1) both ends are penetrated to fixture block A (2) and in the otic placode lifting hole(eyelet) (9) of fixture block B (3), and
It is connected and fixed by elevator fastening nut (5).
2. a kind of low pressure pipeline branch pipe connection device for plugging as described in claim 1, it is characterised in that: described to fixture block A (2)
Be T font structure to fixture block B (3), semicircle groove is provided with to folder face center to fixture block A (2) and to fixture block B (3), use
In placing branch pipe connection (8), the two halves round recessed internal diameter is identical, and the semicircle groove internal diameter and branch pipe connection (8) are outside
Diameter matches.
3. a kind of low pressure pipeline branch pipe connection device for plugging as claimed in claim 2, it is characterised in that: the two halves round recessed
It is additionally provided between branch pipe connection (8) outer diameter and compresses sealing strip (7).
4. a kind of low pressure pipeline branch pipe connection device for plugging as claimed in claim 3, it is characterised in that: the elevator (1) is whole
Body is U-shaped structure, and the both ends of the elevator (1) are equipped with external screw thread.
5. a kind of low pressure pipeline branch pipe connection device for plugging as claimed in claim 4, it is characterised in that: described to fixture block A (2)
And match to spacing between the two otic placode lifting hole(eyelet)s (9) opened up on fixture block B (3) with low pressure pipeline outer diameter.
6. a kind of low pressure pipeline branch pipe connection device for plugging as claimed in claim 5, it is characterised in that: the fastening bolt
(4) quantity is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021786.1U CN209524226U (en) | 2018-12-04 | 2018-12-04 | A kind of low pressure pipeline branch pipe connection device for plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021786.1U CN209524226U (en) | 2018-12-04 | 2018-12-04 | A kind of low pressure pipeline branch pipe connection device for plugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524226U true CN209524226U (en) | 2019-10-22 |
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ID=68226022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822021786.1U Active CN209524226U (en) | 2018-12-04 | 2018-12-04 | A kind of low pressure pipeline branch pipe connection device for plugging |
Country Status (1)
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| CN (1) | CN209524226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538875A (en) * | 2018-12-04 | 2019-03-29 | 江苏核电有限公司 | A kind of low pressure pipeline branch pipe connection device for plugging and its blocking method |
-
2018
- 2018-12-04 CN CN201822021786.1U patent/CN209524226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538875A (en) * | 2018-12-04 | 2019-03-29 | 江苏核电有限公司 | A kind of low pressure pipeline branch pipe connection device for plugging and its blocking method |
| CN109538875B (en) * | 2018-12-04 | 2024-04-09 | 江苏核电有限公司 | Plugging device and plugging method for low-pressure pipeline branch pipe joint |
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