CN201090742Y - Mechanical contact type sealing device - Google Patents
Mechanical contact type sealing device Download PDFInfo
- Publication number
- CN201090742Y CN201090742Y CNU2007200288635U CN200720028863U CN201090742Y CN 201090742 Y CN201090742 Y CN 201090742Y CN U2007200288635 U CNU2007200288635 U CN U2007200288635U CN 200720028863 U CN200720028863 U CN 200720028863U CN 201090742 Y CN201090742 Y CN 201090742Y
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- outer cylinder
- cylinder body
- hard
- seal arrangement
- mechanical contact
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Abstract
The utility model relates to a mechanical contact seal device used for the seal of dynamic and static fit. Seal devices are respectively arranged on both ends of the inner and the outer cylinders (1), (3) which are sleeved with each other coaxially; the seal device arranged on one end is a hard filling box seal device, while the other seal device arranged on the other end is provided with dynamic and static seal rings (17), (8) which are matched with each other; an elastic bearing piece (18) is arranged between the inner and the outer cylinders (1), (3); the inner hole of the elastic bearing piece (18) is contacted with the inner cylinder (1); the outer edge of the elastic bearing piece (18) is connected with the inner ring of a cylindrical roller bearing (5) whose outer ring is connected with the outer cylinder (3). The mechanical contact seal device has the advantages of good sealing effect, no medium leakage, safety, reliability and long service life, which is applicable to the seal of the gas medium which is flammable, explosive and poisonous and has high temperature.
Description
Technical field
The utility model relates to a kind of Mechanical Contact formula seal arrangement, is used for the sealing that sound cooperates.
Background technique
In industry, many times need the sound cooperating structure, as turn round in the indirect heating pyrolysis installation, being connected etc. in the revolution reaction vessel between charging pipe and discharge pipe all needs to be tightly connected, must realize sound cooperation etc. again, particularly for inflammable, explosive, poisonous and the sealing of the gas medium of higher temperature is arranged, the sealability under therefore this sound cooperates is the difficult problem that people endeavour to solve always.
The model utility content
The purpose of this utility model is to provide a kind of Mechanical Contact formula seal arrangement, and in conjunction with reasonable in design, good seal performance has been avoided dielectric leakage, and is safe and reliable, long service life.
Mechanical Contact formula seal arrangement described in the utility model, in comprising, outer cylinder body, in coaxial package, the two ends of outer cylinder body are respectively equipped with seal arrangement, the seal arrangement of one end is the hard packing box seal device, the seal arrangement of the other end is cooperatively interact moving, the stationary seal ring seal arrangement, stationary seal ring is fixed on the outer cylinder body in Seal cage, rotary packing ring is fixed on the motive sealing ring seat, the motive sealing ring seat is connected on the inner barrel, the end of outer cylinder body is provided with the spiral end cap, be provided with thrust-bearing and pressure spring between spiral end cap and motive sealing ring seat, pressure spring is arranged between motive sealing ring seat and the spring seat, spring seat connects a side of thrust-bearing, be provided with between motive sealing ring seat and the spring seat and the corresponding positioning guide column of pressure spring, the opposite side of thrust-bearing connects the spiral end cap, in, be provided with elastic supporting piece between outer cylinder body, the endoporus contact inner barrel of elastic supporting piece, the outward edge of elastic supporting piece connects the interior ring of roller bearing, and the outer shroud of roller bearing connects outer cylinder body.
In the utility model, dynamic and static seal ring is under the effect of pressure spring, and both fit tightly, and forms close encapsulation, and the dynamic and static of rear portion separated by thrust-bearing.Roller bearing and the coaxial supporting of elastic supporting piece, guarantee the coaxial steadily accurately rotation relatively of inside and outside cylindrical shell, and elastic supporting piece can be adjusted and absorb the swell increment that inner barrel causes because of expanded by heating, guarantee the normal matching relationship of itself and roller bearing, simultaneously, the area of contact of elastic supporting piece and inner barrel is little, constitute high thermal resistance structure, effectively reduced heat transfer, utilize the sealing close fit of dynamic and static seal ring, multiple-sealed in addition measure has realized the sound cooperation, has obtained good sealing effect again.
In order to improve performances such as sealing, can assist the following measure of taking:
Can on the surface of contact of spiral end cap endoporus and motive sealing ring seat, establish the v-depression of ring-type, be embedded with soft packing in the v-depression, constitute the soft packing close encapsulation.Turn spiral end cap is by the degree that compresses between pressure spring adjustment associated components, i.e. sealing force.
Cover and the side of being equipped with, outer cylinder body end teeth groove and equipped L shaped positioning plate at spiral end, the last turn of bilge of L shaped positioning plate is fixedlyed connected with end side's teeth groove of outer cylinder body by bolt, the downward bent part of L shaped positioning plate inserts in the square teeth groove of spiral end cap, fixedly secures, and is safe and reliable.
A side of hard stuffing box packing group and hard packing box wall are fitted in the hard packing box seal device, and hard stuffing box packing group outward edge is provided with the U-loop groove, is provided with annular extension spring in the U-loop groove, are provided with pressure spring between hard stuffing box packing group and hard packing case end cap.Hard stuffing box packing group has many groups, fits mutually between group and group, and every group is many flaps, and each flap is combined and constituted a circle, and the pressure of annular extension spring fits tightly hard stuffing box packing group and inner barrel.Pressure spring upwards is distributed with a plurality of in week, can place in the spring nest seat of setting up.Pressure spring makes between hard stuffing box packing group and fits tightly with the hard packing box wall, forms close encapsulation.
Establish locating stud between hard stuffing box packing group and hard packing case, realize circumferentially location, an end of locating stud is fixed in the sidewall of hard packing case, and the other end inserts in the hard stuffing box packing group positioning hole.
The surface of contact of hard packing case end cap endoporus and inner barrel is provided with the v-depression of ring-type, is embedded with soft packing in the v-depression, constitutes the soft packing close encapsulation.
The outer shroud of roller bearing connects outer cylinder body by the location jump ring, and the interior ring of roller bearing connects elastic supporting piece by positioning ring.
Elastic supporting piece between inside and outside cylindrical shell axially on can be distributed with two, constitute the coaxial fixed bearing of elasticity, guarantee that kinematic accuracy is reliable and stable.
On outer cylinder body, establish cooling water jecket,, make high-temperature component and space thereof obtain cooling, alleviated abominable Effect of Hyperthermic Environment effectively by feeding recirculated cooling water.
The utility model Mechanical Contact formula seal arrangement, in conjunction with reasonable in design, by multi-sealed measure, obtained excellent sealing performance, avoided dielectric leakage, safe and reliable, long service life, can be good at being applicable to inflammable, explosive, poisonous and the sealing of the gas medium of higher temperature is arranged, as be applied to turn round in the indirect heating pyrolysis installation.
Description of drawings
Fig. 1, the utility model one example structure schematic representation.
Among the figure: 1, inner barrel 2, hard packing case end cap 3, outer cylinder body 4, hard stuffing box packing group 5, roller bearing 6, positioning ring 7, water intake 8, stationary seal ring 9, spring seat 10, motive sealing ring seat 11, positioning guide column 12, soft packing 13, thrust-bearing 14, L shaped positioning plate 15, spiral end cap 16, pressure spring 17, rotary packing ring 18, elastic supporting piece 19, location jump ring 20, cooling water jecket 21, water outlet 22, locating stud 23, annular extension spring 24, hard packing case 25, pressure spring 26, soft packing a, b, adpting flange c, go out (advancing) material end d, need the cooling cavity.
Embodiment
The utility model is described in further detail in conjunction with the foregoing description accompanying drawing.
As shown in the figure, Mechanical Contact formula seal arrangement described in the utility model, in comprising, outer cylinder body 1,3, outer cylinder body 3 is provided with cooling water jecket 20, by advancing, water outlet 7,21 form recirculated cooling water, in coaxial package, outer cylinder body 1,3 two ends are respectively equipped with seal arrangement, the seal arrangement of one end is the hard packing box seal device, the seal arrangement of the other end is that the contact-type that cooperatively interacts is moving, stationary seal ring 17,8 seal arrangements, stationary seal ring 8 is fixed on the outer cylinder body 3 in Seal cage, rotary packing ring 17 is fixed on the motive sealing ring seat 10, motive sealing ring seat 10 is connected on the inner barrel 1, the end of outer cylinder body is provided with spiral end cap 15, the surface of contact of spiral end cap 15 endoporus and motive sealing ring seat 10 is provided with the v-depression of ring-type, be embedded with soft packing 12 in the v-depression, reach the side of being equipped with, the end teeth groove of outer cylinder body 3 on the spiral end cap 15, and be fitted with L shaped positioning plate 14, the last turn of bilge of L shaped positioning plate 14 is fixedlyed connected with the square teeth groove of outer cylinder body 3 ends by bolt, the downward bent part of L shaped positioning plate 14 inserts in the square teeth groove of spiral end cap 15,10 of spiral end cap 15 and motive sealing ring seats are provided with thrust-bearing 13 and pressure spring 16, pressure spring 16 is arranged between motive sealing ring seat 10 and the spring seat 9, spring seat 9 connects a side of thrust-bearing 13, be provided with between motive sealing ring seat 10 and the spring seat 9 and pressure spring 16 corresponding positioning guide column 11, the opposite side of thrust-bearing 13 connects spiral end cap 15, in, outer cylinder body 1,3 are provided with elastic supporting piece 18, can be by the 50CrVA material, with inner barrel 1 suit, elastic supporting piece 18 is interior, outer cylinder body 1,3 axially on be distributed with two, constitute the coaxial fixed bearing of elasticity, the endoporus contact inner barrel 1 of elastic supporting piece 18, the outward edge of elastic supporting piece 18 connects roller bearing 5, the outer shroud of roller bearing 5 connects outer cylinder body 3 by location jump ring 19, and the interior ring of roller bearing 5 connects elastic supporting piece 18 by positioning ring 6.
There are a side and the hard packing box wall of hard stuffing box packing group 4 to fit in the hard packing box seal device, hard stuffing box packing group 4 outward edges are provided with the U-loop groove, be provided with annular extension spring 23 in the U-loop groove, hard stuffing box packing group 4 and 2 of hard packing case end caps are provided with pressure spring 25, pressure spring 25 can place in the spring nest seat of setting up, be provided with locating stud 22 between hard stuffing box packing group 4 and hard packing case, one end of locating stud 22 is fixed in the sidewall of hard packing case, the other end inserts in the positioning hole of hard stuffing box packing group 4, the surface of contact of hard packing case end cap 2 endoporus and inner barrel 3 is provided with the v-depression of ring-type, is embedded with soft packing 26 in the v-depression.
Working principle:
During use, the adpting flange b of inner barrel 1 is connected with the rotary furnace body of heater, and the medium of reaction mass and generation flows to discharge end c through inner barrel 1, enters discharger then, and discharger forms discharging and connects by adpting flange a and inner barrel 1 fit.Charging connects in contrast.
During work, inside and outside cylindrical shell 1,3 rotates relatively, inner barrel 1 rotation, and outer cylinder body 3 is static.In the rotary course of inner barrel 1, according to fixedly connected relation, in company with the side that motive sealing ring seat 10, rotary packing ring 17, pressure spring 16, spring seat 9, positioning guide column 11 and thrust-bearing 13 are arranged of rotating together, each contact segment forms sealing.
In cooling water jecket 20 under the cooling action of recirculated cooling water, parts such as outer cylinder body 3, roller bearing 5, elastic supporting piece 18, stationary seal ring 8, and need cooling cavity d etc. well to be cooled off.
Claims (9)
1. Mechanical Contact formula seal arrangement, in comprising, outer cylinder body (1), (3), it is characterized in that in coaxial package, outer cylinder body (1), (3) two ends are respectively equipped with seal arrangement, the seal arrangement of one end is the hard packing box seal device, the seal arrangement of the other end is cooperatively interact moving, stationary seal ring (17), (8) seal arrangement, stationary seal ring in Seal cage (8) is fixed on the outer cylinder body (3), rotary packing ring (17) is fixed on the motive sealing ring seat (10), motive sealing ring seat (10) is connected on the inner barrel (1), the end of outer cylinder body is provided with spiral end cap (15), be provided with thrust-bearing (13) and pressure spring (16) between spiral end cap (15) and motive sealing ring seat (10), pressure spring (16) is arranged between motive sealing ring seat (10) and the spring seat (9), spring seat (9) connects a side of thrust-bearing (13), be provided with between motive sealing ring seat (10) and the spring seat (9) and the corresponding positioning guide column of pressure spring (16) (11), the opposite side of thrust-bearing (13) connects spiral end cap (15), in, outer cylinder body (1), (3) be provided with elastic supporting piece (18) between, the endoporus contact inner barrel (1) of elastic supporting piece (18), the outward edge of elastic supporting piece (18) connects the interior ring of roller bearing (5), and the outer shroud of roller bearing (5) connects outer cylinder body (3).
2. Mechanical Contact formula seal arrangement according to claim 1 is characterized in that the surface of contact of spiral end cap (15) endoporus and motive sealing ring seat (10) is provided with the v-depression of ring-type, is embedded with soft packing (12) in the v-depression.
3. Mechanical Contact formula seal arrangement according to claim 1, it is characterized in that spiral end cap (15) upward reaches outer cylinder body (3) side of being equipped with, end teeth groove, and be fitted with L shaped positioning plate (14), the last turn of bilge of L shaped positioning plate (14) is fixedlyed connected with outer cylinder body (3) end side teeth groove by bolt, and the downward bent part of L shaped positioning plate (14) inserts in the square teeth groove of spiral end cap (15).
4. according to claim 1,2 or 3 described Mechanical Contact formula seal arrangements, it is characterized in that having in the hard packing box seal device side of hard stuffing box packing group (4) and hard packing box wall to fit, hard stuffing box packing group (4) outward edge is provided with the U-loop groove, be provided with annular extension spring (23) in the U-loop groove, be provided with pressure spring (25) between hard stuffing box packing group (4) and hard packing case end cap (2).
5. Mechanical Contact formula seal arrangement according to claim 4, it is characterized in that being provided with between hard stuffing box packing group (4) and hard packing case locating stud (22), one end of locating stud (22) is fixed in the sidewall of hard packing case, and the other end inserts in the positioning hole of hard stuffing box packing group (4).
6. Mechanical Contact formula seal arrangement according to claim 5 is characterized in that the surface of contact of hard packing case end cap (2) endoporus and inner barrel (1) is provided with the v-depression of ring-type, is embedded with soft packing (26) in the v-depression.
7. Mechanical Contact formula seal arrangement according to claim 6, the outer shroud that it is characterized in that roller bearing (5) connects outer cylinder body (3) by location jump ring (19), and the interior ring of roller bearing (5) connects elastic supporting piece (18) by positioning ring (6).
8. Mechanical Contact formula seal arrangement according to claim 7, it is characterized in that elastic supporting piece (18) between inside and outside cylindrical shell (1), (3) axially on be distributed with two, constitute the coaxial fixed bearing of elasticity.
9. Mechanical Contact formula seal arrangement according to claim 8 is characterized in that outer cylinder body (3) is provided with cooling water jecket (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200288635U CN201090742Y (en) | 2007-09-29 | 2007-09-29 | Mechanical contact type sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200288635U CN201090742Y (en) | 2007-09-29 | 2007-09-29 | Mechanical contact type sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090742Y true CN201090742Y (en) | 2008-07-23 |
Family
ID=39862502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200288635U Expired - Fee Related CN201090742Y (en) | 2007-09-29 | 2007-09-29 | Mechanical contact type sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090742Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564102A (en) * | 2012-01-13 | 2012-07-11 | 安徽图强生化容器制造有限公司 | Sealing device for inner and outer cylinders of reclaimed rubber dryer |
| CN103470763A (en) * | 2013-09-03 | 2013-12-25 | 南宁广发重工集团有限公司 | Rotary body combined seal device |
| CN106195279A (en) * | 2016-09-12 | 2016-12-07 | 新疆广汇中化能源技术开发有限公司 | Rotatable radiation bed |
| CN108119653A (en) * | 2017-12-25 | 2018-06-05 | 杭州回水科技股份有限公司 | The burnt regeneration unit heating tube sealing device of seed activity |
| CN110884840A (en) * | 2019-11-28 | 2020-03-17 | 徐州马龙节能环保设备有限公司 | Feeding and discharging device of rotary carbonization furnace and working method thereof |
| CN111706404A (en) * | 2020-05-12 | 2020-09-25 | 中国核动力研究设计院 | Supercritical carbon dioxide dry gas sealing device with spiral cooling structure and method |
-
2007
- 2007-09-29 CN CNU2007200288635U patent/CN201090742Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564102A (en) * | 2012-01-13 | 2012-07-11 | 安徽图强生化容器制造有限公司 | Sealing device for inner and outer cylinders of reclaimed rubber dryer |
| CN102564102B (en) * | 2012-01-13 | 2014-05-07 | 安徽图强生化容器制造有限公司 | Sealing device for inner and outer cylinders of reclaimed rubber dryer |
| CN103470763A (en) * | 2013-09-03 | 2013-12-25 | 南宁广发重工集团有限公司 | Rotary body combined seal device |
| CN103470763B (en) * | 2013-09-03 | 2016-01-27 | 南宁广发重工集团有限公司 | A kind of solid of rotation combination sealing arrangement |
| CN106195279A (en) * | 2016-09-12 | 2016-12-07 | 新疆广汇中化能源技术开发有限公司 | Rotatable radiation bed |
| CN106195279B (en) * | 2016-09-12 | 2024-04-26 | 新疆广汇煤炭清洁炼化有限责任公司 | Rotary radiation bed |
| CN108119653A (en) * | 2017-12-25 | 2018-06-05 | 杭州回水科技股份有限公司 | The burnt regeneration unit heating tube sealing device of seed activity |
| CN110884840A (en) * | 2019-11-28 | 2020-03-17 | 徐州马龙节能环保设备有限公司 | Feeding and discharging device of rotary carbonization furnace and working method thereof |
| CN111706404A (en) * | 2020-05-12 | 2020-09-25 | 中国核动力研究设计院 | Supercritical carbon dioxide dry gas sealing device with spiral cooling structure and method |
| CN111706404B (en) * | 2020-05-12 | 2022-08-30 | 中国核动力研究设计院 | Supercritical carbon dioxide dry gas sealing device with spiral cooling structure and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20120929 |