CN203442371U - Sealing device for tests - Google Patents
Sealing device for tests Download PDFInfo
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- CN203442371U CN203442371U CN201320517834.0U CN201320517834U CN203442371U CN 203442371 U CN203442371 U CN 203442371U CN 201320517834 U CN201320517834 U CN 201320517834U CN 203442371 U CN203442371 U CN 203442371U
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- ring
- semi
- seal ring
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- seal
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Abstract
The utility model discloses a sealing device for tests. The sealing device comprises a sealing ring formed by two semi rings, the end portions of the two semi rings are connected through a detachable connecting structure, the inner surface of the sealing ring is provided with a first sealing ring body and a second sealing ring body, the first sealing ring body is in contact with a sealing shell assembly, and the second sealing ring body is in contact with a tube seat flange. The sealing device has the advantages of being easy to use, low in requirement for workers, detachable, free of damage to parts, and capable of effectively reducing the test cost compared with the prior art.
Description
Technical field
The utility model relates to nuclear industry field, be specifically related to a kind of for pressurized water reactor control rod drive mechanisms (CRD) hot and life test seal arrangement.
Background technique
Pressurized water reactor control rod drive mechanisms (CRD) (CRDM) is indispensable device on pressurized water reactor, is mainly used in opening the functions such as heap, power adjustments, shutdown, scram.CRDM mainly consists of coil block, capsul assembly, driveshaft stroke thimble assembly, hook assembly, actuated lever assemblies etc.CRDM must carry out hot and life test before dispatching from the factory.At the trial, capsul assembly need to be connected with the base flange of test-bed, and require attachment portion to seal completely.
Current, the main part that is tightly connected of the mode by welding.As shown in Figure 1, after capsul assembly 3 is connected with the base flange 5 of test-bed, then be welded to connect position 14, realize sealing.Although this mode sealing is reliable, has following problem:
1. weldquality requirement is high, and needs Site Welding, and staff's welding technique level has been proposed to very harsh requirement, conventionally only has core level welder can be competent at this work;
2. after welding, can not can't harm and disassemble, need to cut welding position open with large-scale lathe, can damage component, destroyed component need built-up welding fine finishing again, and, when cutting, need to employ large-scale driving and special-purpose turnover equipment, cause experimentation cost too high.
Model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of test seal arrangement is provided, it can seal the attachment portion of capsul assembly and base flange quickly and easily, and detachable, can not cause damage to capsul assembly and base flange.
The purpose of this utility model is achieved through the following technical solutions:
A seal arrangement, comprises two seal rings that semi-ring forms that connected by the structure that removably connects by end, and the internal surface of seal ring is provided with the first seal ring contacting with capsul assembly and the second seal ring contacting with base flange.
The utility model provides a kind of and diverse equipment that the attachment portion of capsul assembly and base flange is sealed of prior art.Sealing mainly completes by seal ring, the first seal ring and the second seal ring.The first seal ring seals the outer surface of capsul assembly, and the second seal ring seals the outer surface of base flange, and its sealing effect and welded seal are in full accord.
Seal ring is arranged to two semi-rings, make use of the present utility model very easy: first the first seal ring to be enclosed within on capsul assembly, the second seal ring is enclosed within on base flange, then two semi-rings are enclosed within to the joint of capsul assembly and base flange, and adopt the structure that removably connects that two semi-rings are linked into an integrated entity, two semi-rings compress the first seal ring and the second seal ring, realize sealing.After having tested, by the structure that removably connects, by two semi-ring separation, can complete dismounting.
The utility model is used simple, to staff require low.What is more important, the utility model can be dismantled, and unloading process is simple, and can not cause damage to component, with respect to prior art, can effectively reduce experimentation cost.
Further, be also included in the scope of described seal ring and the 3rd seal ring between capsul assembly and base flange.The 3rd seal ring seals the gap between capsul assembly and base flange, further improves sealing effect.
Further, also comprise water tank, pump, intake pipe and outlet pipe, water tank is connected with pump, one end of intake pipe is connected with pump, the other end of intake pipe is connected with a described semi-ring, and one end of outlet pipe is connected with semi-ring described in another, and the other end of outlet pipe is connected with water tank.
Because the test temperature of hot and life test is higher, the in the situation that of long-time test, may cause the first seal ring, the second seal ring or the 3rd seal ring overheating failure.Therefore, in the process of test, by water tank, pump, intake pipe and outlet pipe, constantly in seal ring, pass into cooling water, take away the heat of the first seal ring, the second seal ring or the 3rd seal ring, avoid the situation of the first seal ring, the second seal ring or the 3rd seal ring overheating failure to occur, improve stability of the present utility model.
Further, also comprise radiator, described outlet pipe is connected with described water tank by radiator.Radiator is by the dissipation of heat in the high-temperature water flowing out in seal ring, so that the cooling water of circulation possesses lower temperature, guarantees cooling effect.
Further, the internal surface of described semi-ring comprises following part: the face A extending vertically downward from semi-ring top, the face B extending from face A bottom level to semi-ring central point, the face C extending vertically downward from the end of face B; Described the first seal ring is embedded in face A, and described the second seal ring is embedded in face C.
Further, the outer surface of described semi-ring comprises following part: the face D extending vertically downward from semi-ring top, the face E extending to semi-ring central point tilting from the bottom of face D.
Further, described in the structure that removably connects comprise fixedly ear and bolt, fixedly ear is arranged at described semi-ring end, to be fixedly positioned at described D upper for ear, adjacent two fixedly ear be bolted.
In sum, advantage of the present utility model and beneficial effect are:
The utility model use simple, to staff require low;
2. the utility model is detachable, and can not cause damage to component, with respect to prior art, can effectively reduce experimentation cost.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model, will be briefly described describing the required accompanying drawing of using in the utility model embodiment below.Apparent, the accompanying drawing in the following describes is only some embodiments that record in the utility model, for a person skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, obtain other accompanying drawing.
Fig. 1 is the schematic diagram of conventional seals mode;
Fig. 2 is the structural representation of seal ring;
Fig. 3 is the structural representation of semi-ring;
Fig. 4 is the use phase diagram of seal ring;
Fig. 5 is structural representation of the present utility model;
Wherein, the component title that reference character is corresponding is as follows:
1-semi-ring, 2-seal ring, 3-capsul assembly, 4-the first seal ring, 5-base flange, 6-the second seal ring, 7-the 3rd seal ring, 8-water tank, 9-pump, 10-intake pipe, 11-outlet pipe, 12-radiator, 13-is ear fixedly, 14-link position, 101-face A, 102-face B, 103-face C, 104-face D, 105-face E.
Embodiment
In order to make those skilled in the art understand better the utility model, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is carried out to clear, complete description.Apparent, embodiment described below is only the part in the utility model embodiment, rather than all.The embodiment who records based on the utility model, other all embodiments that those skilled in the art obtain in the situation that not paying creative work, all in the scope of the utility model protection.
Embodiment 1:
As shown in Fig. 2 ~ Fig. 4, a kind of test seal arrangement, comprise the seal ring 2 that two semi-rings 1 being connected by the structure that removably connects by end form, the internal surface of seal ring 2 is provided with the first seal ring 4 contacting with capsul assembly 3 and the second seal ring 6 contacting with base flange 5.
Sealing mainly completes by seal ring 2, the first seal ring 4 and the second seal ring 6.The outer surface of 4 pairs of capsul assemblies 3 of the first seal ring seals, and the outer surface of 6 pairs of base flanges 5 of the second seal ring seals, and its sealing effect and welded seal are in full accord.
In the present embodiment, the structure that removably connects can adopt the existing structure that removably connects to realize.
Embodiment 2:
As shown in Figure 4, the present embodiment, on embodiment 1 basis, is also included in the scope of described seal ring 2 and the 3rd seal ring 7 between capsul assembly 3 and base flange 5.
Gap between the 3rd 7 pairs of seal rings capsul assembly 3 and base flange 5 seals, and further improves sealing effect.
Embodiment 3:
As shown in Figure 5, the present embodiment is on above-mentioned any one embodiment's basis, also comprise water tank 8, pump 9, intake pipe 10 and outlet pipe 11, water tank 8 is connected with pump 9, one end of intake pipe 10 is connected with pump 9, the other end of intake pipe 10 is connected with a described semi-ring 1, and one end of outlet pipe 11 is connected with semi-ring described in another 1, and the other end of outlet pipe 11 is connected with water tank 8.
Because the test temperature of hot and life test is higher, the in the situation that of long-time test, may cause the first seal ring 4, the second seal ring 6 or the 3rd seal ring 7 overheating failures.Therefore, in the process of test, by water tank 8, pump 9, intake pipe 10 and outlet pipe 11, constantly in seal ring 2, pass into cooling water, take away the heat of the first seal ring 4, the second seal ring 6 or the 3rd seal ring 7, avoid the situation of the first seal ring 4, the second seal ring 6 or the 3rd seal ring 7 overheating failures to occur, improve the stability of this device.
Embodiment 4:
As shown in Figure 5, the present embodiment, on embodiment 3 basis, also comprises radiator 12, and described outlet pipe 11 is connected with described water tank 8 by radiator 12.
Embodiment 5:
As shown in Figure 3, the present embodiment is on above-mentioned any one embodiment's basis, the internal surface of described semi-ring 1 comprises following part: the face A101 extending vertically downward from semi-ring 1 top, the face B102 extending to semi-ring 1 central point from face A101 bottom level, the face C103 extending vertically downward from the end of face B102; Described the first seal ring 4 is embedded in face A101, and described the second seal ring 6 is embedded in face C103.
Embodiment 6:
As shown in Figure 3, the present embodiment is on above-mentioned any one embodiment's basis, and the outer surface of described semi-ring 1 comprises following part: the face D104 extending vertically downward from semi-ring 1 top, the face E105 extending to semi-ring 1 central point tilting from the bottom of face D104.
Embodiment 7:
As shown in Figure 3, the present embodiment on embodiment 6 basis, described in the structure that removably connects comprise fixedly ear 13 and bolt, fixedly ear 13 is arranged at described semi-ring 1 end, to be fixedly positioned at described D104 upper for ear 13, adjacent two fixedly ear 13 be bolted.
As mentioned above, just can realize preferably the utility model.
Claims (7)
1. a test seal arrangement, it is characterized in that: comprise the seal ring (2) of two semi-rings (1) formation being connected by the structure that removably connects by end, the internal surface of seal ring (2) is provided with the first seal ring (4) contacting with capsul assembly (3) and the second seal ring (6) contacting with base flange (5).
2. a kind of test seal arrangement according to claim 1, is characterized in that: be also included in the scope of described seal ring (2) and be positioned at the 3rd seal ring (7) between capsul assembly (3) and base flange (5).
3. a kind of test seal arrangement according to claim 1, it is characterized in that: also comprise water tank (8), pump (9), intake pipe (10) and outlet pipe (11), water tank (8) is connected with pump (9), one end of intake pipe (10) is connected with pump (9), the other end of intake pipe (10) is connected with a described semi-ring (1), one end of outlet pipe (11) is connected with semi-ring described in another (1), and the other end of outlet pipe (11) is connected with water tank (8).
4. a kind of test seal arrangement according to claim 3, is characterized in that: also comprise radiator (12), described outlet pipe (11) is connected with described water tank (8) by radiator (12).
5. a kind of test seal arrangement according to claim 4, it is characterized in that: the internal surface of described semi-ring (1) comprises following part: the face A(101 extending vertically downward from semi-ring (1) top), from face A(101) the face B(102 that extends to semi-ring (1) central point of bottom level), from face B(102) the face C(103 that extends vertically downward of end);
Described the first seal ring (4) is embedded in face A(101) in, described the second seal ring (6) is embedded in face C(103) in.
6. a kind of test seal arrangement according to claim 4, it is characterized in that: the outer surface of described semi-ring (1) comprises following part: the face D(104 extending vertically downward from semi-ring (1) top), from face D(104) the face E(105 extending to semi-ring (1) central point that tilts of bottom).
7. a kind of test seal arrangement according to claim 6, it is characterized in that: described in the structure that removably connects comprise fixedly ear (13) and bolt, fixedly ear (13) is arranged at described semi-ring (1) end, fixedly ear (13) is positioned at described D(104) upper, adjacent two fixedly ear (13) be bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517834.0U CN203442371U (en) | 2013-08-23 | 2013-08-23 | Sealing device for tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320517834.0U CN203442371U (en) | 2013-08-23 | 2013-08-23 | Sealing device for tests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442371U true CN203442371U (en) | 2014-02-19 |
Family
ID=50093427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320517834.0U Expired - Lifetime CN203442371U (en) | 2013-08-23 | 2013-08-23 | Sealing device for tests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184152A (en) * | 2017-07-18 | 2017-09-22 | 苏州市欧陆杰电器有限公司 | The flexible pipe structure of dust catcher |
-
2013
- 2013-08-23 CN CN201320517834.0U patent/CN203442371U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107184152A (en) * | 2017-07-18 | 2017-09-22 | 苏州市欧陆杰电器有限公司 | The flexible pipe structure of dust catcher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |