CN103486075A - Static ring component of nuclear power charging pump mechanical seal device - Google Patents
Static ring component of nuclear power charging pump mechanical seal device Download PDFInfo
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- CN103486075A CN103486075A CN201310427563.4A CN201310427563A CN103486075A CN 103486075 A CN103486075 A CN 103486075A CN 201310427563 A CN201310427563 A CN 201310427563A CN 103486075 A CN103486075 A CN 103486075A
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Abstract
The invention relates to a static ring component of a nuclear power charging pump mechanical seal device. The static ring component comprises a static ring (2), a static ring seat (23), a static ring seat auxiliary seal ring (27), a static ring compensation spring (28), a static ring seat anti-rotating pin and a gland and is characterized in that a static ring sleeve is disposed at the front end of the static ring seat (23). Seal rings (24 and 25) are disposed on the outer ring face and the rear end face of the static ring (2) in an auxiliary manner, a positioning frame (52) provided with a slot (53) is disposed on the front end face (50) of the gland (5), the outer ring face of the static ring seat (23) is provided with a radial pin hole (6), and the T-shaped anti-rotating pin (7) mounted in the slot (53) is matched with the radial pin hole (6). The static ring component has the advantages that the static ring (2) is mounted in a floating manner, end face deformation caused by extrusion is avoided, influence of medium pressure on end face deformation is reduced, the static ring (2) and a movable ring (1) are good in matching tracing ability, and the static ring component is of an integrated structure by the aid of the anti-rotating pin (7), and is convenient to transport, mount, demount and maintain.
Description
Technical field
What patent of the present invention related to is mechanical seal device, particularly on nuclear power station, fills the mechanical seal device of pump.
Background technique
Fill the mechanical seal device of pump on the prior art nuclear power as shown in Figure 1, comprise the moving ring assembly of rotating ring 1, axle sleeve 12, rotating ring stop pin 13, rotating ring auxiliary seal ring 14 compositions and the static components that stationary ring 2, stationary seat 23, stationary seat auxiliary seal ring 27, stationary ring counterbalance spring 28, stationary seat stop pin 4, gland 5 form, rotating ring 1 is arranged in the rabbet seat 10 on axle sleeve 12, outer ring surface and 10 of rabbet seats at rotating ring 1 arrange rotating ring auxiliary seal ring 14, rear end and 10 device rotating ring stop pins 13 of rabbet seat at rotating ring 1, offer rabbet groove 20 at stationary seat 23 front ends, stationary ring 2 is inlayed and is fixedly mounted in the rabbet groove 20 that stationary seat 23 front ends offer, stationary seat 23 is arranged in the step type slotted eye on gland 5 movingly, at stationary seat 23 outer ring surfaces and 5, gland, stationary seat auxiliary seal ring 27 is set, offer stationary ring counterbalance spring 28 mounting holes on gland 5 front-end faces 50, the stationary ring counterbalance spring 28 be arranged in gland 5 upper spring mounting holes acts on stationary seat 23 rear side end faces 29, on gland 5 front-end faces 50, axial restraint is provided with stationary seat 23 stop pins 4, this stop pin 4 coordinates with anti-rotation pin-and-hole 40 on stationary seat 23 rear side end faces 29 and prevents that stationary seat 23 from rotating.
The direct interference of its stationary seat stop pin 4 of above-mentioned prior art is embedded on gland front-end face 50, requirement on machining accuracy to pin-and-hole on stop pin 4 and gland 5 is very high, difficulty of processing is large, processing cost is high, because the machining accuracy control difficulty of this pin and matching hole is large, the situation that stop pin 4 comes off easily appears.The length of stationary seat stop pin 4 is long, and rigidity is poor.Stop pin 4 is non-dismountable, maintenance difficult.
Above-mentioned prior art stationary ring 2 and stationary seat 23 interference are inlayed, requirement on machining accuracy is high, and processing cost is large, and the enclasping force of 23 pairs of stationary rings 2 of stationary seat makes stationary ring 2 that face deformation occur, impact and rotating ring 1 fitted seal performance, and the sealing reliability of 23 of stationary ring 2 and stationary seats is low.
Another shortcoming of above-mentioned prior art is that static components is not the unit loading type structure, like this in transportation, installation, inconvenience during repair demolition.
Summary of the invention
The objective of the invention is to be improved for the shortcoming deficiency of above-mentioned prior art, provide on a kind of nuclear power of improvement and fill discharge pump mechanical seal device
static components, to reduce the processing of stationary seat stop pin and installation precision requirement, improve the safety reliability of using; Improve the floatability of stationary ring 2, stationary ring 2 is coordinated with rotating ring 1 and form better tracing ability and fitted seal performance, the sealing that stationary ring 2 and stationary seat are 23 is reliable; And provide a kind of static components be the unit loading type structure on fill discharge pump mechanical seal device so that transportation, install, dismounting, make install and keep in repair convenient.
Fill the mechanical seal device of pump on nuclear power of the present invention
static components, comprise stationary ring 2, stationary seat 23, stationary seat auxiliary seal ring 27, stationary ring counterbalance spring 28, the stationary seat stop pin, gland 5 forms, it is characterized in that being provided with stationary ring cover 21 at stationary seat 23 front ends, the ear end face of stationary ring cover 21 coordinates to be screwed by seam with the front-end face of stationary seat 23 and is connected, overlap on 21 inner ring surfaces and offer inner stopper 21 ' at stationary ring, stationary ring 2 is slidably installed in the inner stopper 21 ' groove of stationary ring cover 21, the inner stopper 21 ' of stationary ring cover 21 locate and the outer ring surface of stationary ring 2 between stationary ring auxiliary seal ring 24 is set, ear end face and 23 of stationary seats at stationary ring 2 arrange ring auxiliary seal ring 25, ear end face and 23 of stationary seats at stationary ring 2 arrange stationary ring stop pin 26, stationary seat 23 slides and is arranged on movingly in the step type slotted eye on gland 5, at stationary seat 23 outer ring surfaces and 5, gland, stationary seat auxiliary seal ring 27 is set, offer stationary ring counterbalance spring 28 mounting holes on gland 5 front-end faces 50, the stationary ring counterbalance spring 28 be arranged in gland 5 upper spring mounting holes acts on stationary seat 23 rear side end faces 29, be provided with position shelf 52 on gland 5 front-end faces 50, offer slotted eye 53 on this position shelf 52, offer radially pin-and-hole 6 on stationary seat 23 outer ring surfaces, T shape stop pin 7 is installed in the slotted eye 53 of position shelf 52 to be coordinated with the pin-and-hole 6 on stationary seat 23, offer groove 72 on the pin rod of stop pin 7, O shape cushion rubber 73 is installed in this groove 72, the frictional force produced after O circle compression prevents that stop pin 7 from deviating from from stationary seat pin-and-hole 6, makes the fastening secure fit of pin-and-hole 6 formation on stop pin 7 pin rods and stationary seat 23, for the ease of installation and removal stop pin 7, the bottom of the pin-and-hole 6 on stationary seat 23 has vent 60 and communicates with gland 5 front-end faces 50, when plug-in mounting stop pin 7 by the Bas Discharged in pin-and-hole 6, with more in stop pin 7 insertion pin-and-holes 6, have tapped hole 76 on top end on stop pin 7, so that when unloading stop pin 7, by with screw rod and easy to connect stop pin 7 is extracted from pin-and-hole 6 of tapped hole 76.
The present invention not only reduces the processing of stationary seat stop pin and installation precision requirement, improves the safety reliability of using, and the rigidity of driving pin 7 has obtained reinforcement, avoids stationary seat that the retardance phenomenon is arranged in slipping.Stationary seat 23 front ends are provided with stationary ring cover 21, stationary ring 2 is slidably installed in the inner stopper 21 ' groove of stationary ring cover 21, the inner stopper 21 ' of stationary ring cover 21 locate and the outer ring surface of stationary ring 2 between stationary ring auxiliary seal ring 24 is set, ear end face and 23 of stationary seats at stationary ring 2 arrange ring auxiliary seal ring 25, make stationary ring 2 be floatability cooperation is installed, stationary ring 2 is not inlayed the face deformation that extruding occurs, also reduce the impact of pressure medium on face deformation, make stationary ring 2 coordinate tracing ability good with rotating ring 1, improved sealability, the stationary ring auxiliary seal ring 24 that stationary ring 2 and stationary ring cover are 21, 25 make the sealing of 23 of stationary ring 2 and stationary seats more reliable.And stop pin 7 arranges structure makes static components be the unit loading type structure, be convenient to transportation, install, dismantle, make install and keep in repair convenient.
The accompanying drawing explanation
Fig. 1 is the prior art structural representation.
Fig. 2 is embodiment of the present invention structural representation.
Fig. 3 is the partial view of Fig. 2.
Embodiment
Fill the mechanical seal device of pump on nuclear power of the present invention
static components, comprise stationary ring 2, stationary seat 23, stationary seat auxiliary seal ring 27, stationary ring counterbalance spring 28, the stationary seat stop pin, gland 5 forms, it is characterized in that being provided with stationary ring cover 21 at stationary seat 23 front ends, the ear end face of stationary ring cover 21 coordinates to be screwed by seam with the front-end face of stationary seat 23 and is connected, overlap on 21 inner ring surfaces and offer inner stopper 21 ' at stationary ring, stationary ring 2 is slidably installed in the inner stopper 21 ' groove of stationary ring cover 21, the inner stopper 21 ' of stationary ring cover 21 locate and the outer ring surface of stationary ring 2 between stationary ring auxiliary seal ring 24 is set, ear end face and 23 of stationary seats at stationary ring 2 arrange ring auxiliary seal ring 25, ear end face and 23 of stationary seats at stationary ring 2 arrange stationary ring stop pin 26, stationary seat 23 slides and is arranged on movingly in the step type slotted eye on gland 5, at stationary seat 23 outer ring surfaces and 5, gland, stationary seat auxiliary seal ring 27 is set, offer stationary ring counterbalance spring 28 mounting holes on gland 5 front-end faces 50, the stationary ring counterbalance spring 28 be arranged in gland 5 upper spring mounting holes acts on stationary seat 23 rear side end faces 29, be provided with position shelf 52 on gland 5 front-end faces 50, offer slotted eye 53 on this position shelf 52, offer radially pin-and-hole 6 on stationary seat 23 outer ring surfaces, T shape stop pin 7 is installed in the slotted eye 53 of position shelf 52 to be coordinated with the pin-and-hole 6 on stationary seat 23, offer groove 72 on the pin rod of stop pin 7, O shape cushion rubber 73 is installed in this groove 72, and the frictional force produced after O circle compression prevents that stop pin 7 from deviating from from stationary seat pin-and-hole 6, the bottom of the pin-and-hole 6 on stationary seat 23 has vent 60 and communicates with gland 5 front-end faces 50, when plug-in mounting stop pin 7 by the Bas Discharged in pin-and-hole 6, more to insert in pin-and-holes 6 in stop pin 7, have tapped hole 76 on top end on stop pin 7, so that when unloading stop pin 7, by with screw rod and easy to connect stop pin 7 is extracted from pin-and-hole 6 of tapped hole 76.
Claims (2)
1. fill discharge pump mechanical seal device on nuclear power
static components, comprise stationary ring (2), stationary seat (23), stationary seat auxiliary seal ring (27), stationary ring counterbalance spring (28), the stationary seat stop pin, gland (5) forms, it is characterized in that being provided with stationary ring cover (21) at stationary seat (23) front end, the ear end face of stationary ring cover (21) coordinates to be screwed by seam with the front-end face of stationary seat (23) and is connected, offer inner stopper (21 ') on stationary ring cover (21) inner ring surface, stationary ring (2) is slidably installed in inner stopper (the 21 ') groove of stationary ring cover (21), the inner stopper (21 ') of stationary ring cover (21) locate and the outer ring surface of stationary ring (2) between stationary ring auxiliary seal ring (24) is set, ring auxiliary seal ring (25) is set between the ear end face of stationary ring (2) and stationary seat (23), between the ear end face of stationary ring (2) and stationary seat (23), stationary ring stop pin (26) is set, stationary seat (23) slides and is arranged on movingly in the step type slotted eye on gland (5), between stationary seat (23) outer ring surface and gland (5), stationary seat auxiliary seal ring (27) is set, offer stationary ring counterbalance spring (28) mounting hole on gland (5) front-end face (50), the stationary ring counterbalance spring (28) be arranged in gland (5) upper spring mounting hole acts on stationary seat (23) rear side end face (29), be provided with position shelf (52) on gland (5) front-end face (50), offer slotted eye (53) on this position shelf (52), offer radially pin-and-hole (6) on stationary seat (23) outer ring surface, T shape stop pin (7) is installed in the slotted eye (53) of position shelf (52) to be coordinated with the pin-and-hole (6) on stationary seat (23), offer groove (72) on the pin rod of stop pin (7), O shape cushion rubber (73) is installed in this groove (72), and the frictional force produced after O circle compression prevents that stop pin (7) from deviating from from stationary seat pin-and-hole (6), the bottom of the pin-and-hole (6) on stationary seat (23) can have vent (60) and communicate with gland (5) front-end face (50), when plug-in mounting stop pin (7) by the Bas Discharged in pin-and-hole (6).
2. fill discharge pump mechanical seal device on nuclear power according to claim 1
static components,it is characterized in that having tapped hole (76) on the upper top end of stop pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427563.4A CN103486075B (en) | 2013-09-19 | 2013-09-19 | Nuclear power fills the static components of discharge pump mechanical seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310427563.4A CN103486075B (en) | 2013-09-19 | 2013-09-19 | Nuclear power fills the static components of discharge pump mechanical seal device |
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| Publication Number | Publication Date |
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| CN103486075A true CN103486075A (en) | 2014-01-01 |
| CN103486075B CN103486075B (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310427563.4A Active CN103486075B (en) | 2013-09-19 | 2013-09-19 | Nuclear power fills the static components of discharge pump mechanical seal device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676004A (en) * | 2015-02-13 | 2015-06-03 | 江苏科奥流体科技有限公司 | Integral sealing device of hydraulic pump |
| CN105465036A (en) * | 2015-12-23 | 2016-04-06 | 江苏华青流体科技有限公司 | Mechanical sealing device for high-pressure oil pipeline pump |
| CN107355415A (en) * | 2017-07-28 | 2017-11-17 | 丹东克隆集团有限责任公司 | Nuclear power condensate pump mechanically-sealing apparatus |
| CN109185460A (en) * | 2018-10-10 | 2019-01-11 | 丹东克隆集团有限责任公司 | The stationary ring compensation component of mechanically-sealing apparatus |
| CN112855940A (en) * | 2021-02-18 | 2021-05-28 | 中国航发沈阳发动机研究所 | Graphite circumference seal structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0659251B1 (en) * | 1992-09-02 | 1997-06-11 | Bw/Ip International Inc. | Enclosure for brittle mechanical seal face materials |
| CN201255235Y (en) * | 2008-09-24 | 2009-06-10 | 丹东克隆集团有限责任公司 | Integration type shaft mechanical seal device |
| CN103233910A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | Integrated bellows mechanical seal device for pump |
| CN203516175U (en) * | 2013-09-19 | 2014-04-02 | 丹东克隆集团有限责任公司 | Stationary ring assembly of mechanical sealing device for nuclear power charging pump |
-
2013
- 2013-09-19 CN CN201310427563.4A patent/CN103486075B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0659251B1 (en) * | 1992-09-02 | 1997-06-11 | Bw/Ip International Inc. | Enclosure for brittle mechanical seal face materials |
| CN201255235Y (en) * | 2008-09-24 | 2009-06-10 | 丹东克隆集团有限责任公司 | Integration type shaft mechanical seal device |
| CN103233910A (en) * | 2013-04-13 | 2013-08-07 | 丹东克隆集团有限责任公司 | Integrated bellows mechanical seal device for pump |
| CN203516175U (en) * | 2013-09-19 | 2014-04-02 | 丹东克隆集团有限责任公司 | Stationary ring assembly of mechanical sealing device for nuclear power charging pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676004A (en) * | 2015-02-13 | 2015-06-03 | 江苏科奥流体科技有限公司 | Integral sealing device of hydraulic pump |
| CN105465036A (en) * | 2015-12-23 | 2016-04-06 | 江苏华青流体科技有限公司 | Mechanical sealing device for high-pressure oil pipeline pump |
| CN107355415A (en) * | 2017-07-28 | 2017-11-17 | 丹东克隆集团有限责任公司 | Nuclear power condensate pump mechanically-sealing apparatus |
| CN107355415B (en) * | 2017-07-28 | 2023-07-18 | 丹东克隆集团有限责任公司 | Nuclear power condensate pump mechanical seal device |
| CN109185460A (en) * | 2018-10-10 | 2019-01-11 | 丹东克隆集团有限责任公司 | The stationary ring compensation component of mechanically-sealing apparatus |
| CN112855940A (en) * | 2021-02-18 | 2021-05-28 | 中国航发沈阳发动机研究所 | Graphite circumference seal structure |
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|---|---|
| CN103486075B (en) | 2015-11-04 |
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