CN203963371U - Compound pipe compensator - Google Patents
Compound pipe compensator Download PDFInfo
- Publication number
- CN203963371U CN203963371U CN201420379861.0U CN201420379861U CN203963371U CN 203963371 U CN203963371 U CN 203963371U CN 201420379861 U CN201420379861 U CN 201420379861U CN 203963371 U CN203963371 U CN 203963371U
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- wall
- inner tube
- filler
- bellows
- slip
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Abstract
The utility model discloses a kind of compound pipe compensator, it comprises inner tube, filler, shell, bellows, armour ring, bushing pipe, filler and slip ring.The outer trough inner sleeve dress of described bellows armour ring, establishes bushing pipe in the bellows of a pair of coaxial serial connection, and the sealed at both ends connection inner tube of bellows forms corrugated compensator.Described shell two ends inwall is provided with the Seal cage setting-in filler and the slip ring that are made up of interior shoulder and outer shoulder, uniform filler on the outer wall of shell two ends.Outer cover suit is to corrugated compensator outer wall; the Seal cage at two ends respectively with supporting outer wall of inner tube mix proportion slip-type expansion joint; corrugated compensator is among two slip-type expansion joint protections; this kind of structure-integrated design of dual independent compensation; effectively solve Safety production questions; reduce and shut down the number of times of safeguarding, improve the operational efficiency of water power plant conduit pipe.
Description
Technical field
The utility model relates to a kind of pipe safety device, and specifically, the utility model relates to a kind of supporting pipeline compensator in the conduit pipe of water power plant.
Background technique
Water source, reservoir upstream, by laying heavy caliber conduit pipe, is guided to the power plant main power house that is positioned at ponding bottom in water power plant, utilizes the potential energy of high-order current to be converted into kinetic energy, realizes and drives hydraulic turbine generator generating.In engineering, conduit pipe entrance to the water-head of main building has hundreds of rice conventionally, even reaches km, and water-head more potential energy is larger, drives hydraulic turbine generator acting just larger.The supporting conduit pipe majority in water power plant will run through massif, owing to changed by location massif geology, and the impact of water power plant main building geology variation, between upper and lower conduit pipe, easily produce inequality displacement.This kind of static displacement comprises two aspects, the one, and with the consistent axial displacement of conduit pipe axis, another is the radial displacement perpendicular with diversion tube wall.In engineering in order to eliminate the destructiveness of displacement to conduit pipe, at the important node place of conduit pipe configuring pipes compensator, to absorb or compensate for displacement.The supporting pipeline compensator of prior art is bellow type compensation of pipeline, and such compensator is flexible, and compensation flexibly, can be eliminated the destructiveness of displacement.But bellows is thin-walled elastic element, exist intensity not high, bearing capacity is poor, and working life, short grade was not enough.In reality there is suddenly stress fatigue in without any symptom situation and lost efficacy in common bellows, and consequent leakage at the scene cannot leak stopping, can only close upstream valve to be repaired, and the cost of this measure is to close hydraulic turbine generator.Because conduit pipe is embedded in massif, to change corrugated expansion joint and need to excavate operation, construction work amount is large, changes difficulty high, expends manyly, and the time is long.Thus the corrugated expansion joint of prior art because of working life short, can not meet the needs of water power plant conduit pipe safety in production.
Model utility content
The utility model mainly for prior art products in use, problem that cannot leak stopping once the bellows generation stress fatigue scene of losing efficacy, propose a kind of seal tight, compensation flexibly, the compound pipe compensator of long service life.This product has dual collocation structure and is provided with remote monitoring interface, is conducive to pinpoint the problems in time, is conducive to on-line maintenance.
The utility model is achieved through the following technical solutions technical goal.
Compound pipe compensator, it comprises inner tube, filler, shell, bellows armour ring, bushing pipe, filler and slip ring.The outer trough inner sleeve dress of described bellows armour ring, establishes bushing pipe in the bellows of a pair of coaxial serial connection, and the oral area at the bellows two ends inner tube that is tightly connected forms corrugated compensator.Described shell is cylindrical body, and two ends inwall is provided with the Seal cage setting-in filler and the slip ring that are made up of interior shoulder and outer shoulder, and filler uniform on the outer wall of shell two ends all connects Seal cage.Its improvements are: described outer cover suit is to corrugated compensator outer wall; the Seal cage at two ends respectively with supporting outer wall of inner tube mix proportion slip-type expansion joint, make corrugated compensator be in two dual independent compensation structures among slip-type expansion joints protection.
As further improvement project, described outer wall of inner tube is provided with positive stop lug boss and chrome-faced processing.
As further improvement project, described outer shell outer wall stage casing is provided with the monitoring interface that connects Seal cage.
As further improvement project, outer shoulder endoporus and outer wall of inner tube Spielpassung that described outer cover port is fixedly connected with.
As further improvement project, described filler is flexible graphite sealing ring.
As further improvement project, described slip ring is arranged on Seal cage two ends, and interior shoulder and outer shoulder, its endoporus and outer wall of inner tube Spielpassung recline respectively.
The utility model compared with prior art, has following good effect:
1, two kinds of dissimilar compensator integrated designs, composite structure is simple, reasonable, makes easily;
2, corrugated compensator is among two slip-type expansion joints, forms dual independent compensation structure, and compensation flexibly, safe, long service life;
3, in running in the time of corrugated compensator stress fatigue failure, under not shutdown situation, can start external slip-type expansion joint compensates for conduit pipe, in continuous service in the time that the sealing pair excess wearing and tearing of sleeve expansion joint have leakage, the pressure transducer that monitoring interface is installed sends maintaining signal, and staff can inject blocking agent by filler and realize on-line maintenance;
4, monitoring interface setting pressure sensor, is convenient to accomplish remote real-time monitoring.
Brief description of the drawings
Fig. 1 is the utility model structural profile schematic diagram.
Fig. 2 is Figure 1A place partial structurtes enlarged diagram, shows the linkage structure of outer shoulder 3.3 and shell 3 in figure, and the matching relationship of outer shoulder 3.3 and inner tube 1 outer wall.In figure, also show the matching relationship of slip ring 8 and filler 2.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in further detail.
Compound pipe compensator shown in Fig. 1, bore is 3500mm, supporting in southern some hydropower station conduit pipe.Compound pipe compensator is combined by two kinds of dissimilar compensators, and it comprises inner tube 1, filler 2, shell 3, bellows 4, armour ring 5, bushing pipe 6, filler 7 and slip ring 8.Described bellows 4 belongs to a kind of typical thin-walled elastic element, in order further to strengthen bellows 4, at the outer trough inner sleeve dress of the bellows 4 armour ring 5 of prone position.Two identical bellowss 4 of specification are coaxially connected in series, and are provided with bushing pipe 6 water conservancy diversion at two connected bellows 4 inwalls, and the oral area at the bellows 4 two ends inner tube 1 that is tightly connected forms corrugated compensator.Described shell 3 is cylindrical body small in ends broad in the middle, and stage casing is provided with the monitoring interface 3.2 of through-lumen, and monitoring interface 3.2, for setting pressure sensor, presses variation to send signal in after bellows 4 inefficacies.Two ends inwall is provided with by interior shoulder 3.1 and outer shoulder 3.3 and forms Seal cage, setting-in filler 2 and slip ring 8 in Seal cage.Filler 2 in the present embodiment is a kind of flexible graphite sealing rings, in order to reach desirable sealing effect, first to ensure that flexible graphite sealing ring both sides compression face is identical, sealing pair as shown in Figure 2, slip ring 8 is arranged on flexible graphite sealing ring both sides, and recline respectively interior shoulder 3.1 and outer shoulder 3.3, outer shoulder 3.3 and slip ring 8 endoporus and inner tube 1 outer wall Spielpassung.Realizing on-line maintenance is also one of the purpose of this utility model, and concrete structure is uniform filler 7 on shell 3 two ends outer walls, and all fillers 7 all connect Seal cage.Finally the shell of above-mentioned accessory kit 3 covers are installed on corrugated compensator outer wall; the Seal cage at two ends respectively with the outer wall mix proportion slip-type expansion joint of pairing inner tube 1 chromium plating, the corrugated compensator at middle part is in the sleeve expansion joint protection of the left and right sides.
Above-described embodiment initial stage is applied corrugated compensator, in the time of corrugated compensator stress fatigue failure, under not shutdown situation, be that convertible external slip-type expansion joint compensates for conduit pipe, in continuous service process in the time of the sealing pair wearing and tearing excess of slip-type expansion joint, Seal cage internal cause is leaked and the increase of interior pressure, the pressure transducer being arranged in monitoring interface 3.2 sends maintenance signal according to change value of pressure, staff can IMU crosses filler 7 and injects blocking agent and realize on-line maintenance, make slip-type expansion joint continuous service, the working life of extension device thus.Monitoring interface 3.2 setting pressure sensors are set, are convenient to accomplish remote real-time monitoring, can pinpoint the problems in time, reduce loss.The integrated design of this kind of dual independently collocation structure, effectively solves water power plant conduit pipe Safety production questions, reduces and shuts down the number of times of safeguarding, improves the operational efficiency of equipment.
Claims (6)
1. a compound pipe compensator, it comprises inner tube (1), filler (2), shell (3), bellows (4) armour ring (5), bushing pipe (6), filler (7) and slip ring (8); The outer trough inner sleeve of described bellows (4) dress armour ring (5), establishes bushing pipe (6) in the bellows (4) of a pair of coaxial serial connection, and the oral area at bellows (4) the two ends inner tube (1) that is tightly connected forms corrugated compensator; Described shell (3) is cylindrical body, and two ends inwall is provided with the Seal cage setting-in filler (2) and the slip ring (8) that are made up of interior shoulder (3.1) and outer shoulder (3.3), and on the outer wall of shell (3) two ends, uniform filler (7) all connects Seal cage; It is characterized in that: described shell (3) cover installs on corrugated compensator outer wall; the Seal cage at two ends respectively with supporting inner tube (1) outer wall mix proportion slip-type expansion joint, make corrugated compensator be in two dual independent compensation structures among slip-type expansion joints protection.
2. compound pipe compensator according to claim 1, is characterized in that: described inner tube (1) outer wall is provided with positive stop lug boss (1.1), and inner tube (1) outer wall surface is done chromium plating processing.
3. compound pipe compensator according to claim 1, is characterized in that: described shell (3) outer wall stage casing is provided with the monitoring interface (3.2) of through-lumen.
4. compound pipe compensator according to claim 1, is characterized in that: outer shoulder (3.3) endoporus that described shell (3) port is fixedly connected with and inner tube (1) outer wall Spielpassung.
5. compound pipe compensator according to claim 1, is characterized in that: described filler (2) is flexible graphite sealing ring.
6. compound pipe compensator according to claim 1, is characterized in that: described slip ring (8) is arranged on Seal cage two ends, recline respectively interior shoulder (3.1) and outer shoulder (3.3), its endoporus and inner tube (1) outer wall Spielpassung.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379861.0U CN203963371U (en) | 2014-07-10 | 2014-07-10 | Compound pipe compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379861.0U CN203963371U (en) | 2014-07-10 | 2014-07-10 | Compound pipe compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963371U true CN203963371U (en) | 2014-11-26 |
Family
ID=51923952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379861.0U Expired - Fee Related CN203963371U (en) | 2014-07-10 | 2014-07-10 | Compound pipe compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805777A (en) * | 2019-11-06 | 2020-02-18 | 北京韩建河山管业股份有限公司湖北分公司 | Double-seal expansion joint capable of being maintained on line |
-
2014
- 2014-07-10 CN CN201420379861.0U patent/CN203963371U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110805777A (en) * | 2019-11-06 | 2020-02-18 | 北京韩建河山管业股份有限公司湖北分公司 | Double-seal expansion joint capable of being maintained on line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20160710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |