CN205896176U - Articulated seal assembly - Google Patents
Articulated seal assembly Download PDFInfo
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- CN205896176U CN205896176U CN201620825345.5U CN201620825345U CN205896176U CN 205896176 U CN205896176 U CN 205896176U CN 201620825345 U CN201620825345 U CN 201620825345U CN 205896176 U CN205896176 U CN 205896176U
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- sealing ring
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Abstract
The utility model relates to an articulated seal assembly, including articulated section casing, oiling fat hole and the airbag sealing washer, articulated section casing includes anterior segment casing and back end casing, is equipped with a plurality of annular recesses on the back end casing, and the the airbag sealing washer is installed in the recess of articulated section casing, still includes a plurality of pairs of lip seal circles, and establish between two lip seal circle in oiling fat hole, and the the airbag sealing washer is established in the outside of two lip seal circle, and the outside of the airbag sealing washer still is equipped with a plurality of quick set material slip casting mouths. Compared with the prior art, the utility model discloses set up a plurality of pairs of lip seal circles, its assembly pretension magnitude of interference and cross -section increase are guaranteed the laminating of sealing the face and are blocked the effect, reduce sealed face part by a wide margin and come to nothing and the possibility of seepage, and the sealed effect of lip seal circle has fully been guaranteed in oiling fat hole, the the airbag sealing washer plays urgent sealed effect, under emergency, filling quick set sealing material can carry out the rescue.
Description
Technical field
This utility model is related to Sealing Technology, especially relates to a kind of hinged black box.
Background technology
In the work progress of articulated shield machine or push-bench, complete inside and outside the housing of shield machine or push-bench in order to ensure
Totally-enclosed, prevent soil sand, subsoil water of surrounding formation etc. from flowing to inside shield machine or push-bench from the gap between front and rear housings,
Ensure construction safety, must be provided with sealing device at housing hinge.Hinge seal device is articulated shield machine and push-bench
Requisite important component part.The form of hinged sealing, the quality of encapsulant, service life and reliability etc. are directly
Have influence on the operation of whole excavation work.
In conventional articulated shield machine or push-bench, it is usually three road list lips using more hinged seal form
Sealing ring, material is nbr (nitrile rubber), and the assembly pretightening magnitude of interference (densification amount) of sealing ring lip is usually 10 millimeters of left sides
The right side, the cross-sectional width of sealing ring is about more than 20 millimeters.
Through a large amount of Construction practices, above-mentioned hinged seal form and also there are some defects: the assembling of (1) sealing ring lip
The pretension magnitude of interference is not enough.The installing groove processing dimension error of sealing ring larger and when shield machine or push-bench correction when make
In the case that articulated section gap increases, may result in the not tight, by underground rich water complicated geological location of sealing surface laminating
When easily cause articulated section seepage, impact shield machine or push-bench construction safety and project progress；(2) cross-sectional width of sealing ring is relatively
Little.Under the operating mode that shield machine or push-bench articulated section have front-rear reciprocation movement and in the presence of groundwater pressure, entirely close
Seal is also easy to produce torsion, stands up or even deviate from the fortuitous event of groove, makes the sealing condition severe exacerbation of articulated section so that losing efficacy；
(3) anti-wear performance of encapsulant is general.If run in construction subsoil water contain that grit is more or shield machine correction operation relatively
Frequently, the abrasion of sealing surface will increase, and sealing effectiveness and service life also just decline.
Chinese patent cn 104089023 a discloses a kind of scalable hinge seal device of rectangular shield push-bench, bag
Include hinged sealing ring, hinged sealing ring is sequentially provided with from front to back lip-type seal, nylon blend stop, steamed bread type sealing, pressure ring and
Adjusting apparatus；Wherein, hinged sealing ring is located on tail shield, and lip-type seal is located in the anterior lip of hinged sealing ring, steamed bread
Type sealing is located at the rear portion of hinged sealing ring, and the sealing of steamed bread type is respectively provided on two sides with nylon blend stop and pressure ring, and adjusting apparatus are fixed
In hinged sealing ring afterbody.Chinese patent cn 205315003u discloses a kind of protection device of the hinged sealing of shield machine, bag
Include: the hinged sealing greasing hole being arranged in shield body；It is arranged on the adapter assembly on hinged sealing greasing hole；Connect on adapter assembly
It is connected to the first valve；The other end of the first valve is connected with oils and fatss injection device.But this two patents still do not solve well
Certainly not enough, sealing ring the cross-sectional width of the assembly pretightening magnitude of interference of sealing ring lip is less and encapsulant wears no resistance etc. asks
Topic.
Utility model content
The purpose of this utility model is exactly to provide a kind of assembly pretightening magnitude of interference and section width to solve the above problems
Degree is suitable, the hinged black box of long service life, sealed reliable.
The purpose of this utility model is achieved through the following technical solutions:
A kind of hinged black box, including hinged piece housing, grease injection hole and aerating gasbag sealing ring, described hinge segment
Housing includes front piece housing and rear piece housing, and rear piece housing is provided with the grooves of multiple annulars, described aerating gasbag sealing ring
It is arranged in the groove of hinged piece housing, also includes multiple Double-lip-opening seal rings, described grease injection hole is located at double-lip sealing
Between circle, described aerating gasbag sealing ring is located at the outside of Double-lip-opening seal ring, the outside of described aerating gasbag sealing ring
It is additionally provided with multiple fast gel material grouting ports.
Described Double-lip-opening seal ring side is provided with arc pressuring plate, and Double-lip-opening seal ring is pressed on hinged by this arc pressuring plate
On piece housing, improve the mounting stability of sealing ring, can be effectively prevented from sealing ring produce in work progress torsion or
The situation of abjection groove.
Described arc pressuring plate is bolted in the groove of hinged piece housing.
The assembly pretightening magnitude of interference of described Double-lip-opening seal ring is 12-15mm, and cross-sectional width is 50-70mm, this sealing ring
The assembly pretightening magnitude of interference suitably, the cross-sectional width of sealing ring increases it is ensured that the laminating of sealing surface, and its blockage effect is good, greatly
Amplitude reduces sealing surface local and comes to nothing and the probability of seepage.
Described Double-lip-opening seal ring is preferably set to two.
Described Double-lip-opening seal ring adopts polyurethane material to be obtained, and enhances wearability and resistance to torsion.
Described aerating gasbag sealing ring is the ring-type of expansion after inflation, and this aerating gasbag sealing ring is provided with multiple inflations
Mouth, plays the effect of emergency sealing.
Described grease injection hole is located on the circumferencial direction between Double-lip-opening seal ring, fills high pressure by this grease injection hole
Grease.
Described fast gel material grouting port is multiple in the circumferencial direction setting of hinged piece housing, by pipeline and slurry tank phase
Even, coagulate encapsulant soon toward hull outside filling in an emergency situation, quickly form muddy water sealing coat in housing periphery, prevent from endangering
Evil expands further.
Compared with prior art, hinged black box of the present utility model is effectively formed multiple-sealed circle: double-lip sealing
Material is coagulated in first sealing, the second sealing of aerating gasbag sealing ring formation and fast gel material grouting port injection that circle is formed soon
The three seals being formed after material.Double-lip-opening seal ring makes seal lip increase more than for 4 roads, the assembly pretightening of sealing ring lip
The magnitude of interference increases it is ensured that the laminating blockage effect of sealing surface, significantly lowers sealing surface local and comes to nothing and the probability of seepage,
Meanwhile, the circumferencial direction between Double-lip-opening seal ring arranges grease injection hole and fills high-pressure grease to it, has fully ensured that double
The sealing function of lip seal circle；After rubber seal breakage or losing efficacy, in aerating gasbag sealing ring injecting compressed air,
Play emergency sealing effect；If aerating gasbag sealing ring is also damaged, filling solidifying encapsulant soon under emergency can enter to rob
Dangerous section makees.
This utility model ensure that the absolute reliability of sealing, substantially increases the safety factor of sealing, can be preferably
Keep out the intrusion of outside muddy water, lower the risk in construction, ensure the safety of shield machine or push-bench work progress, be a kind of dress
Join that the pretension magnitude of interference and cross-sectional width be suitable, the hinged black box of long service life, sealed reliable.
Brief description
Fig. 1 is the cross section structure diagram of this utility model air bag unaerated；
Fig. 2 is the cross section structure diagram of this utility model air bag inflation；
Fig. 3 is arc pressuring plate generalized section of the present utility model；
Fig. 4 is Double-lip-opening seal ring generalized section of the present utility model；
Fig. 5 is air bag generalized section of the present utility model；
In figure: piece housing before 1-, 2- arc pressuring plate, 3- Double-lip-opening seal ring, 4- aerating gasbag sealing ring, the fast gel material of 5-
Grouting port, piece housing after 6-, 7- grease injection hole, 8- charging connector.
Specific embodiment
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
A kind of hinged black box, as Figure 1-5, including hinged piece housing, Double-lip-opening seal ring 3, grease injection hole 7 and
Aerating gasbag sealing ring 4, hinged piece housing includes front piece housing 1 and rear piece housing 6, and rear piece housing 6 is provided with multiple annulars
Groove, Double-lip-opening seal ring 3 and aerating gasbag sealing ring 4 are arranged in the groove of hinged piece housing, and Double-lip-opening seal ring 3 is provided with
Two, using Double-lip-opening seal ring, grease injection hole 7 is located between Double-lip-opening seal ring 3, and aerating gasbag sealing ring 4 is located at lips
The outside of mouth sealing ring 3, the outside of aerating gasbag sealing ring 4 is additionally provided with multiple fast gel material grouting ports 5.
Double-lip-opening seal ring 3 side is provided with arc pressuring plate 2, and Double-lip-opening seal ring 3 is pressed on hinge segment by this arc pressuring plate 2
On housing, improve the mounting stability of sealing ring, sealing ring can be effectively prevented from and produce torsion or de- in work progress
Go out the situation of groove, arc pressuring plate 2 is bolted in the groove of hinged piece housing.The assembling of Double-lip-opening seal ring 3 is pre-
The tight magnitude of interference is 13mm in 12-15mm, the present embodiment, and cross-sectional width can be 50-70mm, and the present embodiment is 60mm, this sealing
Suitably, the cross-sectional width of sealing ring increases it is ensured that the laminating of sealing surface for the assembly pretightening magnitude of interference of circle, and its blockage effect is good,
Significantly reduce sealing surface local to come to nothing and the probability of seepage.Double-lip-opening seal ring adopts polyurethane material to be obtained, and strengthens
Wearability and resistance to torsion.
Aerating gasbag sealing ring 4 is the ring-type of expansion after inflation, and this aerating gasbag sealing ring 4 is provided with multiple charging connectors 8,
Heave after inflation, as shown in figure 5, playing emergency sealing effect；Grease injection hole 7 is located at the circumference between Double-lip-opening seal ring 3
On direction, high-pressure grease is filled by this grease injection hole.Fast gel material grouting port 5 is arranged in the circumferencial direction of hinged piece housing
Multiple, it is connected with slurry tank by pipeline, coagulate encapsulant soon toward hull outside filling in an emergency situation, fast in housing periphery
Speed forms muddy water sealing coat, prevents harm from expanding further.
Claims (7)
1. a kind of hinged black box, including hinged piece housing, grease injection hole and aerating gasbag sealing ring, described hinge segment shell
Body includes front piece housing and rear piece housing, and rear piece housing is provided with the groove of multiple annulars, and described aerating gasbag sealing ring is pacified
It is contained in the groove of hinged piece housing,
It is characterized in that, also include multiple Double-lip-opening seal rings, described grease injection hole is located between Double-lip-opening seal ring, described
Aerating gasbag sealing ring be located at the outside of Double-lip-opening seal ring, the outside of described aerating gasbag sealing ring is additionally provided with multiple fast
Gel material grouting port.
2. a kind of hinged black box according to claim 1 is it is characterised in that set on described Double-lip-opening seal ring side
There is arc pressuring plate, Double-lip-opening seal ring is pressed on hinged piece housing this arc pressuring plate.
3. a kind of hinged black box according to claim 2 is it is characterised in that described arc pressuring plate is connected by bolt
It is connected in the groove of hinged piece housing.
4. a kind of hinged black box according to claim 1 is it is characterised in that the assembling of described Double-lip-opening seal ring is pre-
The tight magnitude of interference is 12-15mm, and cross-sectional width is 50-70mm.
5. a kind of hinged black box according to claim 4 is it is characterised in that described Double-lip-opening seal ring preferably sets
For two.
6. a kind of hinged black box according to claim 1 is it is characterised in that described aerating gasbag sealing ring is to fill
The ring-type expanding after gas, this aerating gasbag sealing ring is provided with multiple charging connectors.
7. a kind of hinged black box according to claim 1 is it is characterised in that described grease injection hole is located at double-lip
On circumferencial direction between sealing ring, high-pressure grease is filled by this grease injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825345.5U CN205896176U (en) | 2016-08-01 | 2016-08-01 | Articulated seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620825345.5U CN205896176U (en) | 2016-08-01 | 2016-08-01 | Articulated seal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896176U true CN205896176U (en) | 2017-01-18 |
Family
ID=57783759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620825345.5U Active CN205896176U (en) | 2016-08-01 | 2016-08-01 | Articulated seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896176U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676482A (en) * | 2016-08-01 | 2018-02-09 | 上海力行工程技术发展有限公司 | A kind of be hinged seal assembly |
| CN108019520A (en) * | 2017-12-25 | 2018-05-11 | 辽宁三三工业有限公司 | A kind of balancing earth-pressure shielding machine concave is hinged sealing structure |
| CN108150182A (en) * | 2018-02-01 | 2018-06-12 | 辽宁三三工业有限公司 | A kind of shield machine divides valve adjustment ring |
| CN108757948A (en) * | 2018-08-17 | 2018-11-06 | 北京北方创成车辆技术发展有限公司 | Rotate oil-gas sealing device and central aerating and exhaust device |
-
2016
- 2016-08-01 CN CN201620825345.5U patent/CN205896176U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676482A (en) * | 2016-08-01 | 2018-02-09 | 上海力行工程技术发展有限公司 | A kind of be hinged seal assembly |
| CN108019520A (en) * | 2017-12-25 | 2018-05-11 | 辽宁三三工业有限公司 | A kind of balancing earth-pressure shielding machine concave is hinged sealing structure |
| CN108150182A (en) * | 2018-02-01 | 2018-06-12 | 辽宁三三工业有限公司 | A kind of shield machine divides valve adjustment ring |
| CN108757948A (en) * | 2018-08-17 | 2018-11-06 | 北京北方创成车辆技术发展有限公司 | Rotate oil-gas sealing device and central aerating and exhaust device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |