CN103486264B - Cable trench sealing device - Google Patents
Cable trench sealing device Download PDFInfo
- Publication number
- CN103486264B CN103486264B CN201310470382.XA CN201310470382A CN103486264B CN 103486264 B CN103486264 B CN 103486264B CN 201310470382 A CN201310470382 A CN 201310470382A CN 103486264 B CN103486264 B CN 103486264B
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- China
- Prior art keywords
- sealing flange
- socket
- fastening piece
- seal
- wall
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Abstract
The invention provides a cable trench sealing device which is used for through connection of cables going in and out of a wall and used for keeping a cable trench in a sealed state after explosive shock waves with certain strength. A protection hood of the sealing device is connected with a sealing flange I provided with a sealing ring through a fastening piece, and the sealing flange I is connected with the inner surface of the wall through a fastening piece. A sealing flange II provided with a sealing ring is connected with the outer surface of the wall through a fastening piece. A cable bunch II is respectively connected with the sealing flange I and the sealing flange II through rubber sockets, and therefore a circuit access is formed. The sealing flange I on the inner surface of the wall and the sealing flange II on the outer surface of the wall form unit redundancy. The connection mode of the sealing device and the wall is simple and reliable, and when the reflection overpressure of explosive shock waves is smaller than or equal to 30Mpa, the cable trench leak rate can be kept to be smaller than or equal to 1*10<-6>Pa.m3/s.
Description
Technical field
The invention belongs to field of sealing technology, be specifically related to a kind of seal arrangement of cable passing hole, particularly a kind of seal arrangement with the cable passage of antiknock function and regulation leak rate.
Background technique
Produce the detonation test of harmful poisonous gas for after blast, after requiring explosive charge, keep for a long time being not more than a certain specified value, so need a kind of cable passage long-term seal device with antiknock function through the ignition of body of wall, test cable passage leak rate.
For the sealing adaptor of cable through walls, can select the electric coupler through walls market with seal action, it can ensure that two ends have the cable passage leak rate through walls of pressure difference to be not more than a certain numerical value, but the sealing of cable passage after shock wave can not be ensured.
Chinese patent ZL200610057128.7(publication date is on September 12nd, 2007) disclose a kind of salable one and the multiple extension piece seal arrangement through the hole on object.This device, by applying extruding force to the Sealing of quality of rubber materials, realizes sealing.Because all Sealings of this device adopt quality of rubber materials, long storage periods can cause ageing of rubber, and leak rate rises, and this device is without antiknock function.
Summary of the invention
The deficiency that seal arrangement antiknock function in prior art is weak in order to overcome, leak rate increases with time of storage and raises, the invention provides a kind of seal arrangement of cable passage.
The seal arrangement of cable passage of the present invention, is characterized in, described seal arrangement contains bunch of cables I, safety cover, fastening piece, sealing flange I, seal ring, bunch of cables II, sealing flange II, metal o-ring; Its annexation is, the end face that described sealing flange I, sealing flange II contact with body of wall is provided with rubber socket, and other end is provided with glass socket; The large end face (with body of wall surface of contact) of described sealing flange I, sealing flange II is provided with seal groove respectively; Be provided with seal ring I, seal ring II in the seal groove of sealing flange I, in the seal groove of sealing flange II, be provided with seal ring III, metal o-ring; Described sealing flange I, sealing flange II are installed on the inside and outside surface of body of wall respectively, the small end face of described sealing flange I is connected with safety cover by fastening piece I, and large end face is connected with the internal surface (in the face of explosive assembly side) of body of wall by fastening piece II; The large end face of sealing flange II is connected with the outer surface of body of wall by fastening piece IV; The rubber socket I arranged in sealing flange I is connected with the rubber socket II in sealing flange II by bunch of cables II; In safety cover, be provided with bunch of cables I, one end of bunch of cables I is connected with the glass socket I arranged in sealing flange I small end face, and the other end passes safety cover, sets up electric circuit; Described sealing flange I, sealing flange II, safety cover, bunch of cables I, bunch of cables II are concentric setting.
Described sealing flange II comprises fastening piece III, pressing plate I, rubber socket II, wire, glass socket II, fastening piece V, pressing plate II; Described rubber socket II is provided with seal ring IV, glass socket II is provided with seal ring V; Its annexation is, rubber socket II is fixed on sealing flange II large end face by pressing plate I by the fastening piece III in described sealing flange II, glass socket II is fixed on the small end face of sealing flange II by pressing plate II by fastening piece V, and described rubber socket II is connected with glass socket II by wire; Described sealing flange I is identical with the structure of sealing flange II.
Described safety cover is made up of the silicone rubber sleeve outwards set gradually from center, phenolic resin cover, housing.
The material of described safety cover adopts metal, phenolic resin, silicone rubber.
Described sealing flange I, the overall leak rate of sealing flange II are all less than or equal to 1 × 10
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The seal ring I installed between described sealing flange I and wall-body energy saving, seal ring II adopt quality of rubber materials to make.
The seal ring III installed between described sealing flange II and exterior surface of wall adopts quality of rubber materials to make, metal o-ring adopts steel matter to make.
In the present invention adopt two kinds of sealing mediums: rubber, for transient behavior of exploding (as shock wave reflection stretches time) seal.Glass medium and metal medium, for long term seal.Seal arrangement of the present invention is used for the cable passage of body of wall, can ensure that the leak rate of cable passage is less than or equal to 1 × 10 after 30MPa shock wave reflection Overpressure
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Sealing flange I in the present invention is installed on wall-body energy saving, and sealing flange II is installed on exterior surface of wall.Test proves, 30MPa shock wave reflection superpressure is not enough to the structure destroying sealing flange I, and the sealing flange II on cable passage is its redundancy.At the outer safety cover installing a composite material composition of the glass socket II of sealing flange I, to stop the penetration of explosion product to electric coupler.Sealing flange I and the junction plane of body of wall, use two rubber seal rings for seals; The junction plane of sealing flange II and body of wall, use a rubber seal and a metal o-ring sealing, rubber is as conventional sealing material, As time goes on, its material property can be deteriorated, and leak rate can raise gradually, but it can ensure sealing when shock, glass socket II and metal o-ring stable performance, make seal arrangement of the present invention have permanent sealing function.
The invention has the beneficial effects as follows, after 30MPa shock wave reflection Overpressure, can ensure that the leak rate of cable passage is less than or equal to 1 × 10 for a long time
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3/ s, such as, when explosive assembly equivalent is less than or equal to 2kgTNT, device of the present invention can ensure the sealing at the cable passage apart from explosive assembly 1.5m place.The installation requirement of this device to body of wall is only smooth, smooth with the surface of contact of sealing flange.At the scene, seal arrangement of the present invention is installed only need conjunction cable bundle II and sealing flange I, sealing flange II are installed.Field installation procedure is simple, effectively reduces the act of operation in explosive environment and the waiting time.
Accompanying drawing explanation
Fig. 1 is the seal arrangement vertical section structure schematic diagram of cable passage of the present invention;
Fig. 2 is the structural representation of the sealing flange in the present invention;
Fig. 3 is the structural representation of the safety cover in the present invention;
In figure: 1. bunch of cables I 2. safety cover 3. fastening piece I 4.-seal ring I 5. fastening piece II 6. sealing flange I 7. seal ring II 8. metal o-ring 9. rubber socket II 10. fastening piece III 11. pressing plate I 12. seal ring IV 13. wire 14. glass socket II 15. housing 16. phenolic resin overlaps 17. silicone rubber sleeve 21. bunch of cables II 24. seal ring III 25. fastening piece IV 26. sealing flange II 27. body of wall 210. fastening piece V 211. pressing plate II 212. seal rings V.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1
Fig. 1 is the vertical section structure schematic diagram of the seal arrangement of cable passage of the present invention, and Fig. 2 is the structural representation of the sealing flange in the present invention, and Fig. 3 is the structural representation of the safety cover in the present invention.In Fig. 1 ~ Fig. 3, the seal arrangement of cable passage of the present invention, containing bunch of cables I 1, safety cover 2, fastening piece, sealing flange I 6, seal ring, bunch of cables II 21, sealing flange II 26, metal o-ring; Its annexation is, the end face that described sealing flange I 6, sealing flange II 26 contact with body of wall 27 is provided with rubber socket, and other end is provided with glass socket; Described sealing flange I 6, the large end face of sealing flange II 26 are provided with seal groove respectively; Be provided with seal ring I 4, seal ring II 7 in the seal groove of sealing flange 6, in the seal groove of sealing flange II 26, be provided with seal ring III 24, metal o-ring 8; Described sealing flange I 6, sealing flange II 26 are installed on the inside and outside surface of body of wall 27 respectively, and the small end face of described sealing flange I 6 is connected with safety cover 2 by fastening piece I 3, and large end face is connected with the internal surface of body of wall 27 by fastening piece II 5; The large end face of sealing flange II 26 is connected with the outer surface of body of wall 27 by fastening piece IV 25; The rubber socket I arranged in sealing flange I 6 is connected with the rubber socket II 9 in sealing flange II 26 by bunch of cables II 21; In safety cover 2, be provided with bunch of cables I 1, one end of bunch of cables I 1 is connected with the glass socket I arranged in sealing flange I 6 small end face, and the other end passes safety cover 2, sets up electric circuit; Described sealing flange I 6, sealing flange II 26, safety cover 2, bunch of cables I 1, bunch of cables II 21 are concentric setting.
Described sealing flange II 26 comprises fastening piece III 10, pressing plate I 11, rubber socket II 9, wire 13, glass socket II 14, fastening piece V 210, pressing plate II 211; Described rubber socket II 9 is provided with seal ring IV 12, glass socket II 14 is provided with seal ring V 212; Its annexation is, rubber socket II 9 is fixed on sealing flange II 26 large end face by pressing plate I 11 by the fastening piece III 10 in described sealing flange II 26, glass socket II 14 is fixed on the small end face of sealing flange II 26 by pressing plate II 211 by fastening piece V 210, and described rubber socket I 9 is connected with glass socket I 14 by wire 13; Described sealing flange I 6 is identical with the structure of sealing flange II 26.
Described safety cover 2 is made up of the silicone rubber sleeve 17 outwards set gradually from center, phenolic resin cover 16, housing 15.
The material of described safety cover 2 adopts metal, phenolic resin, silicone rubber.
Described sealing flange I 6, the overall leak rate of sealing flange II 26 are all less than or equal to 1 × 10
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The seal ring I 4 installed between described sealing flange I 6 and body of wall 27 internal surface, seal ring II 7 adopt quality of rubber materials to make.
The seal ring III 24 installed between described sealing flange II 26 and body of wall 27 outer surface adopts that quality of rubber materials is made, metal o-ring 8 adopts steel matter to make.
Seal ring I 4, seal ring II 7 quality standard press HB5230, and material is butyronitrile rubber.Metal o-ring 8 material is Q235, and surface is by JB/T88 " metal serrated gasket " tooth processed.
Installation procedure of the present invention is: will with bunch of cables I 1, safety cover 2 shape all-in-one-piece sealing flange I 6 large end face seal groove in place seal ring I 4, seal ring II 7; bunch of cables II 21 is connected with rubber socket I, is connected by sealing flange I 6 with fastening piece II 5 with wall-body energy saving.In sealing flange II 26 large end face seal groove, place seal ring III 24 and metal o-ring 8, the other end of bunch of cables II 21 is connected with rubber socket II 9, is connected by sealing flange II 26 with fastening piece IV 25 with the outer surface of body of wall.The tightening torque of fastening piece II 5, fastening piece IV 25 is 40Nm.Be placed in the sealing that sealing flange in body of wall I 6 and seal ring I 4, seal ring II 7 realize cable passage one end, be placed in the sealing that sealing flange outside body of wall II 26 and seal ring I 4, metal o-ring 8 realize the cable passage the other end, above-mentioned two sealing flange forming unit redundancies, improve sealing reliability.Bunch of cables I 1, bunch of cables II 21 and wire 13 form electric circuit.
In the present embodiment, rubber socket and glass socket are all chosen in market, as rubber socket TY40J32Z and the glass socket TY40J32MZ of Co., Ltd of Huafeng Enterprise Group.Require that the leak rate of rubber socket is less than or equal to 1 × 10
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3the leak rate of/s, glass socket is less than or equal to 1 × 10
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3/ s.The material of sealing flange is Q235, and electrochemistry antirust treatment is done on surface, and the seal groove degree of depth presses 75% design of seal diameter, and seal groove internal diameter is by 1mm design larger than internal diameter of the seal ring.Rubber socket and glass socket respectively install a seal ring, and rubber socket is put in sealing flange large end face side, and glass socket is put in sealing flange small end face side, presses corresponding relation welding lead between each contact pin of two sockets, forms electric circuit.By pressing plate, rubber socket and glass socket are pressed in sealing flange both ends of the surface with fastening piece.Seal ring quality standard presses HB5230, and material is butyronitrile rubber.Pressing plate material is Q235, and electrochemistry antirust treatment is done on surface.Require that the overall leak rate of sealing flange is less than or equal to 1 × 10
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3/ s, adopts the helium cover method leak detection in QJ2861 " helium mass spectrum leak detection minimum detectable leak rate method of inspection ".
Safety cover shell material in the present invention is metal; overlap for transition fit with phenolic resin; gap is-0.2 ㎜ ~ 0.1 ㎜; bunch of cables I through housing with phenolic resin cover and is connected with rubber socket, after housing connects with sealing flange I 6 fastening piece I 3, at the empty intra-bladder instillation silicone rubber of bunch of cables I 1 and phenolic resin inner room.Silicone rubber wants gradation to pour into, and its principle is Reperfu-sion after the silicone rubber solidification of previous perfusion, until silicone rubber fills up cavity, then bunch of cables I 1, safety cover 2, sealing flange I 6 form a non-dismountable entirety.
Claims (7)
1. a seal arrangement for cable passage, is characterized in that: described seal arrangement contains bunch of cables I (1), safety cover (2), fastening piece, sealing flange I (6), seal ring, bunch of cables II (21), sealing flange II (26), metal o-ring; Its annexation is, the end face that described sealing flange I (6), sealing flange II (26) contact with body of wall (27) is provided with rubber socket, and other end is provided with glass socket; Described sealing flange I (6), the large end face of sealing flange II (26) are provided with seal groove; Be provided with seal ring I (4), seal ring II (7) in the seal groove of sealing flange I (6), in the seal groove of sealing flange II (26), be provided with seal ring III (24), metal o-ring (8); Described sealing flange I (6), sealing flange II (26) are installed on body of wall (27) inside and outside surface respectively, the small end face of described sealing flange I (6) is connected with safety cover (2) by fastening piece I (3), and large end face is connected with the internal surface of body of wall (27) by fastening piece II (5); The large end face of sealing flange II (26) is connected with the outer surface of body of wall (27) by fastening piece IV (25); The rubber socket I arranged in sealing flange I (6) is connected with the rubber socket II (9) in sealing flange II (26) by bunch of cables II (21); In safety cover (2), be provided with bunch of cables I (1), one end of bunch of cables I (1) is connected with the glass socket I arranged in sealing flange I (6) small end face, and the other end passes safety cover (2), sets up electric circuit; Described sealing flange I (6), sealing flange II (26), safety cover (2), bunch of cables I (1), bunch of cables II (21) are concentric setting.
2. the seal arrangement of cable passage according to claim 1, it is characterized in that: described sealing flange II (26) comprises fastening piece III (10), pressing plate I (11), rubber socket II (9), wire (13), glass socket II (14), fastening piece V (210), pressing plate II (211); Described rubber socket II (9) is provided with seal ring IV (12), glass socket II (14) is provided with seal ring V (212); Its annexation is, rubber socket II (9) is fixed on sealing flange II (26) large end face by pressing plate I (11) by the fastening piece III (10) in described sealing flange II (26), glass socket II (14) is fixed on the small end face of sealing flange II (26) by pressing plate II (211) by fastening piece V (210), and described rubber socket II (9) is connected with glass socket II (14) by wire (13); Described sealing flange I (6) is identical with the structure of sealing flange II (26).
3. the seal arrangement of cable passage according to claim 1, is characterized in that: described safety cover (2) is made up of the silicone rubber sleeve outwards set gradually from center (17), phenolic resin cover (16), housing (15).
4. the seal arrangement of cable passage according to claim 1, is characterized in that: described safety cover (2) case material adopts metal.
5. the seal arrangement of cable passage according to claim 1, is characterized in that: described sealing flange I (6), the overall leak rate of sealing flange II (26) are all≤1 × 10
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6. the seal arrangement of cable passage according to claim 1, is characterized in that: the seal ring I (4) installed between described sealing flange I (6) and body of wall (27) internal surface, seal ring II (7) adopt quality of rubber materials to make.
7. the seal arrangement of cable passage according to claim 1, is characterized in that: the seal ring III (24) installed between described sealing flange II (26) and body of wall (27) outer surface adopts that quality of rubber materials is made, metal o-ring (8) adopts steel matter to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470382.XA CN103486264B (en) | 2013-10-11 | 2013-10-11 | Cable trench sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310470382.XA CN103486264B (en) | 2013-10-11 | 2013-10-11 | Cable trench sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486264A CN103486264A (en) | 2014-01-01 |
| CN103486264B true CN103486264B (en) | 2015-06-10 |
Family
ID=49826740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310470382.XA Expired - Fee Related CN103486264B (en) | 2013-10-11 | 2013-10-11 | Cable trench sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486264B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086952A (en) * | 2018-01-12 | 2018-05-29 | 科莱斯（天津）电热科技有限公司 | A kind of high-pressure well mouth T cables suspension, release integrating device |
| CN108035691A (en) * | 2018-01-12 | 2018-05-15 | 科莱斯（天津）电热科技有限公司 | A kind of high-pressure well mouth T cables draw sealing three-way device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3436987A1 (en) * | 1984-10-09 | 1986-04-17 | Stewing, Albert, 4270 Dorsten | Device for supporting empty pipes for laying cables or the like in wall bushings |
| SE510210C2 (en) * | 1997-08-22 | 1999-05-03 | Roxtec Ab | Sealing device for cable and pipe penetrations |
| JP3674822B2 (en) * | 1998-11-26 | 2005-07-27 | 石川島播磨重工業株式会社 | Wire penetration device |
| EP1245884B1 (en) * | 2001-03-26 | 2005-06-15 | Hawle Armaturen GmbH | Leadthrough system for a wall |
| CN201666414U (en) * | 2010-03-09 | 2010-12-08 | 中国原子能科学研究院 | CARR cable penetrating piece |
| CN203516718U (en) * | 2013-10-11 | 2014-04-02 | 中国工程物理研究院总体工程研究所 | Sealing device of cable trench |
-
2013
- 2013-10-11 CN CN201310470382.XA patent/CN103486264B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN103486264A (en) | 2014-01-01 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yue Inventor after: Zhu Ningying Inventor after: Jiang Yuqing Inventor before: Wu Yue Inventor before: Zhu Ningying |
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| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20191011 |