CN207246421U - Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat - Google Patents
Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat Download PDFInfo
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- CN207246421U CN207246421U CN201720927152.5U CN201720927152U CN207246421U CN 207246421 U CN207246421 U CN 207246421U CN 201720927152 U CN201720927152 U CN 201720927152U CN 207246421 U CN207246421 U CN 207246421U
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- ring
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- drag
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Abstract
The utility model nuclear power safety injection pump mechanically-sealing apparatus drag ring and the cooperation mounting structure of its ring seat,Drag ring rotating ring (1) is as compensation ring,Or drag ring stationary ring (4) is as compensation ring,When drag ring rotating ring (1) or drag ring stationary ring (4) are soft material drag ring,Male half coupling platform is offered on the side end face of ring seat,Drag ring coordinates with the male half coupling platform to be installed,Sealing ring is set between the mating surface of the vertical end face of the male half coupling platform of ring seat and drag ring,Stop pin is fixedly connected with the side end face of ring seat,Stop pin coordinates with the pin hole opened up on drag ring side end face,Drag ring is prevented to be driven with respect to its ring seat,Its sealing ring sealing means is become to compress axially by radial compression,Under the action of pressure medium P,Uniform shrinkage integrally occurs for drag ring,Upset deformation does not occur for drag ring end face,Sealing effect is good,Fully meet nuclear power safety injection pump run under multi-state point under for mechanical seal high reliability request.
Description
Technical field
This patent refers to mechanically-sealing apparatus, the rotating ring of mechanically-sealing apparatus that particularly nuclear power safety injection pump uses with
The cooperation mounting structure of rotating seat, stationary ring and stationary seat.
Background technology
The prior art is as shown in attached drawing 1,2, and whether rotating ring 1 is as compensation ring, or stationary ring 4 is as compensation ring, rotating ring 1
Sealing ring 2, the sealing ring 5 of stationary ring 4 is all provided on the inner ring surface or outer ring surface of rotating ring 1, stationary ring 4.
The rotating ring and stationary ring one of mechanically-sealing apparatus are hard material drag rings, the other is soft material drag ring is matched somebody with somebody
To with the use of for the drag ring rotating ring 1 or drag ring stationary ring 4 of soft material, its seal ring of moving ring 2, stationary ring seal
Circle 5 is arranged on the inner ring surface or outer ring surface of rotating ring 1, stationary ring 4, between being due to the inner ring surface or outer ring surface and rotating seat of rotating ring 1
Gap coordinates, the inner ring surface of stationary ring 4 or outer ring surface and stationary seat are clearance fits, as shown in Figure 3, sealing ring 2,5 with rotating ring,
Stationary ring contact portion forms a fulcrum, forms vacant state, rotating ring, the stationary ring end face under the action of pressure P can produce upset
Deformation, and as the increase of P, the deflection of end face can also become larger therewith, can so cause rotating ring and stationary ring counterface close
The leakage rate increase of envelope.
Nuclear power safety injection pump is run under multi-state point, and the requirement for mechanical seal is that not only sealing effect is good, but also
There is high reliability.
Utility model content
The purpose of this utility model is to be improved in view of the above shortcomings of the prior art, there is provided it is a kind of simple in structure, it is close
Envelope effect is good, the good nuclear power safety injection pump mechanically-sealing apparatus drag ring of use reliability and the cooperation mounting structure of its ring seat.
The utility model nuclear power safety injection pump mechanically-sealing apparatus drag ring and the cooperation mounting structure of its ring seat, rub gyration
Ring 1 is as compensation ring, or drag ring stationary ring 4 is as compensation ring：
When drag ring rotating ring 1 is soft material drag ring, male half coupling platform 32 is offered on the side end face 31 of rotating seat 3,
Rotating ring 1 coordinates with the male half coupling platform 32 to be installed, between the mating surface of vertical the end face 32a and rotating ring 1 of the male half coupling platform 32 of rotating seat 3
Seal ring of moving ring 2 is set, is fixedly connected with trundle 13 on the side end face 31 of rotating seat 3, trundle 13 with 1 side end face of rotating ring
The transmission pin hole 10 opened up coordinates, and rotating ring 1 is driven；
When drag ring stationary ring 4 is soft material drag ring, male half coupling platform 62 is offered on the side end face 61 of stationary seat 6,
Stationary ring 4 coordinates with the male half coupling platform 62 to be installed, between the mating surface of vertical the end face 62a and stationary ring 4 of the male half coupling platform 62 of stationary seat 6
Stationary ring sealing ring 5 is set, is fixedly connected with stop pin 46 on the side end face 61 of stationary seat 6, stop pin 46 with 4 side end face of stationary ring
The anti-rotation pin hole 40 opened up coordinates, and prevents stationary ring 4 from being rotated relative to stationary seat 6.
No matter the utility model drag ring rotating ring 1 is as compensation ring, or drag ring stationary ring 4 is as compensation ring；
Male half coupling platform 32 is offered on the side end face 31 of rotating seat 3, rotating ring 1 coordinates with the male half coupling platform 32 to be installed,
Seal ring of moving ring 2 is set between the mating surface of vertical the end face 32a and rotating ring 1 of the male half coupling platform 32 of rotating seat 3, in the side of rotating seat 3
Trundle 13 is fixedly connected with end face 31, trundle 13 coordinates with the transmission pin hole 10 opened up on 1 side end face of rotating ring, to rotating ring 1
It is driven；
Male half coupling platform 62 is offered on the side end face 61 of stationary seat 6, stationary ring 4 coordinates with the male half coupling platform 62 to be installed,
Stationary ring sealing ring 5 is set between the mating surface of vertical the end face 62a and stationary ring 4 of the male half coupling platform 62 of stationary seat 6, in the side of stationary seat 6
Stop pin 46 is fixedly connected with end face 61, stop pin 46 coordinates with the anti-rotation pin hole 40 opened up on 4 side end face of stationary ring, prevents stationary ring
4 rotate relative to stationary seat 6.
The utility model is simple in structure, and sealing effect is good, and use reliability is good.
Referring to shown in attached drawing 6, sealing ring sealing means become axial by the radial compression of traditional structure and squeeze the utility model
Pressure, under the action of pressure P, drag ring rotating ring 1 or the overall generation uniform shrinkage of stationary ring 4, drag ring rotating ring 1 or stationary ring 4 coordinate
Upset deformation does not occur for end face K, i.e. drag ring rotating ring 1 or the verticality of 4 counterface K of stationary ring and main shaft is constant, when pressure P exists
In the case of increase, upset deformation will not occur for drag ring rotating ring 1 or 4 counterface K of stationary ring, and rotating ring is pasted with the mutual flag of stationary ring
Close property it is good, sealing effect is good, fully meet nuclear power safety injection pump run under multi-state point under for mechanical seal high reliability
It is required that.
Whether rotating ring 1 is used as compensation ring, rotating ring 1 and rotating seat 3 to the utility model as compensation ring, or stationary ring 4
Coordinate the cooperation of installation, stationary ring 4 and stationary seat 6 to install and use above-mentioned cooperation mounting structure at the same time, form symmetrical cooperation installation
Structure, rotating ring 1 and the floating fit of stationary ring 4 are good, can further improve sealing effect.
Brief description of the drawings
Fig. 1 is prior art construction schematic diagram.
Fig. 2 is another prior art construction schematic diagram.
Fig. 3 is friction annular strain schematic diagram when prior art construction is acted on by pressure medium.
Fig. 4 is the utility model embodiment structure diagram.
Fig. 5 is another example structure schematic diagram of the utility model.
Fig. 6 is drag ring view when the utility model structure is acted on by pressure medium.
Embodiment
The utility model nuclear power safety injection pump mechanically-sealing apparatus drag ring and the cooperation mounting structure of its ring seat, rub gyration
Ring 1 is used as compensation ring as compensation ring, or drag ring stationary ring 4, it is characterized in that：
When drag ring rotating ring 1 is soft material drag ring, male half coupling platform 32 is offered on the side end face 31 of rotating seat 3,
Rotating ring 1 coordinates with the male half coupling platform 32 to be installed, between the mating surface of vertical the end face 32a and rotating ring 1 of the male half coupling platform 32 of rotating seat 3
Seal ring of moving ring 2 is set, is fixedly connected with trundle 13 on the side end face 31 of rotating seat 3, trundle 13 with 1 side end face of rotating ring
The transmission pin hole 10 opened up coordinates, and rotating ring 1 is driven；
When drag ring stationary ring 4 is soft material drag ring, male half coupling platform 62 is offered on the side end face 61 of stationary seat 6,
Stationary ring 4 coordinates with the male half coupling platform 62 to be installed, between the mating surface of vertical the end face 62a and stationary ring 4 of the male half coupling platform 62 of stationary seat 6
Stationary ring sealing ring 5 is set, is fixedly connected with stop pin 46 on the side end face 61 of stationary seat 6, stop pin 46 with 4 side end face of stationary ring
The anti-rotation pin hole 40 opened up coordinates, and prevents stationary ring 4 from being rotated relative to stationary seat 6.
No matter the utility model drag ring rotating ring 1 is as compensation ring, or drag ring stationary ring 4 is as compensation ring；
Male half coupling platform 32 is offered on the side end face 31 of rotating seat 3, rotating ring 1 coordinates with the male half coupling platform 32 to be installed,
Seal ring of moving ring 2 is set between the mating surface of vertical the end face 32a and rotating ring 1 of the male half coupling platform 32 of rotating seat 3, in the side of rotating seat 3
Trundle 13 is fixedly connected with end face 31, trundle 13 coordinates with the transmission pin hole 10 opened up on 1 side end face of rotating ring, to rotating ring 1
It is driven；
Male half coupling platform 62 is offered on the side end face 61 of stationary seat 6, stationary ring 4 coordinates with the male half coupling platform 62 to be installed,
Stationary ring sealing ring 5 is set between the mating surface of vertical the end face 62a and stationary ring 4 of the male half coupling platform 62 of stationary seat 6, in the side of stationary seat 6
Stop pin 46 is fixedly connected with end face 61, stop pin 46 coordinates with the anti-rotation pin hole 40 opened up on 4 side end face of stationary ring, prevents stationary ring
4 rotate relative to stationary seat 6.
Claims (2)
1. nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat, drag ring rotating ring (1) is used as compensation ring,
Or drag ring stationary ring (4) is used as compensation ring, it is characterized in that：
When drag ring rotating ring (1) is soft material drag ring, male half coupling platform is offered on the side end face of rotating seat (3) (31)
(32), rotating ring (1) and the male half coupling platform (32), which coordinate, installs, rotating seat (3) male half coupling platform (32) vertical end face (32a) with
Seal ring of moving ring (2) is set between the mating surface of rotating ring (1), trundle is fixedly connected with the side end face of rotating seat (3) (31)
(13), trundle (13) coordinates with the transmission pin hole (10) opened up on rotating ring (1) side end face, and rotating ring (1) is driven；
When drag ring stationary ring (4) is soft material drag ring, male half coupling platform is offered on the side end face of stationary seat (6) (61)
(62), stationary ring (4) and the male half coupling platform (62), which coordinate, installs, stationary seat (6) male half coupling platform (62) vertical end face (62a) with
Stationary ring sealing ring (5) is set between the mating surface of stationary ring (4), stop pin is fixedly connected with the side end face of stationary seat (6) (61)
(46), stop pin (46) coordinates with the anti-rotation pin hole (40) opened up on stationary ring (4) side end face, prevents stationary ring (4) with respect to stationary seat
(6) rotate.
2. nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat, drag ring rotating ring (1) is used as compensation ring,
Or drag ring stationary ring (4) is used as compensation ring, it is characterized in that：
Male half coupling platform (32) is offered on the side end face of rotating seat (3) (31), rotating ring (1) coordinates with the male half coupling platform (32) pacifies
Dress, seal ring of moving ring is set between the mating surface of the vertical end face (32a) of the male half coupling platform (32) of rotating seat (3) and rotating ring (1)
(2), trundle (13) is fixedly connected with the side end face of rotating seat (3) (31), trundle (13) on rotating ring (1) side end face with opening
If transmission pin hole (10) coordinate, rotating ring (1) is driven；
Male half coupling platform (62) is offered on the side end face of stationary seat (6) (61), stationary ring (4) coordinates with the male half coupling platform (62) pacifies
Dress, sets stationary ring sealing ring between the mating surface of the vertical end face (62a) of the male half coupling platform (62) of stationary seat (6) and stationary ring (4)
(5), stop pin (46) is fixedly connected with the side end face of stationary seat (6) (61), stop pin (46) on stationary ring (4) side end face with opening
If anti-rotation pin hole (40) coordinate, prevent stationary ring (4) with respect to stationary seat (6) be driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927152.5U CN207246421U (en) | 2017-07-28 | 2017-07-28 | Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720927152.5U CN207246421U (en) | 2017-07-28 | 2017-07-28 | Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207246421U true CN207246421U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720927152.5U Active CN207246421U (en) | 2017-07-28 | 2017-07-28 | Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355541A (en) * | 2017-07-28 | 2017-11-17 | 丹东克隆集团有限责任公司 | Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat |
-
2017
- 2017-07-28 CN CN201720927152.5U patent/CN207246421U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355541A (en) * | 2017-07-28 | 2017-11-17 | 丹东克隆集团有限责任公司 | Nuclear power safety injection pump mechanically-sealing apparatus drag ring and the fit structure of its ring seat |
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