CN208089946U - A kind of hinged air sac sealing structure for shield machine - Google Patents
A kind of hinged air sac sealing structure for shield machine Download PDFInfo
- Publication number
- CN208089946U CN208089946U CN201820389054.5U CN201820389054U CN208089946U CN 208089946 U CN208089946 U CN 208089946U CN 201820389054 U CN201820389054 U CN 201820389054U CN 208089946 U CN208089946 U CN 208089946U
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- sealing
- main body
- hole wall
- air sac
- sealing ring
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Abstract
The utility model discloses a kind of hinged air sac sealing structures for shield machine, including the hinged sealing ring being intervally installed and air bag seal assembly, it is additionally provided with and is fixedly connected with the hole wall of shield body to close the sealing plate of the first holding tank and the second holding tank, hinged sealing ring includes the first sealing ring main body in the hole wall of shield body, first sealing ring main body is equipped with the once sealing circular arc for stretching out hole wall, air sac sealing component includes the second sealing ring main body and the air sac sealing circle on the inside of the second sealing ring main body, second sealing ring main body is equipped with the secondary seal circular arc for stretching out hole wall.This sealing structure installs hinged sealing ring and air bag seal assembly point twice in the hole wall of shield body, reduce one of installation to the pore wall thickness of shield body and the demand in space, the installation of sealing structure can be completed by less hole wall space, simultaneously multiple-sealed circular arc setting, it may make that sealing effect is more preferable, this utility model is used for sealing structure field.
Description
Technical field
The utility model is related to sealing structure fields, more particularly to a kind of hinged air sac sealing knot for shield machine
Structure.
Background technology
Suporting structure is connected with tail shield by hinged oil cylinder in middle shield, needs to seal in the junction of hinged oil cylinder, is ensured
The medium of external environment does not enter in shield body.
In the past in hinged oil cylinder junction, it is sealed on the axis of junction by the way that air bag will be hinged, but by
It is formed on the requirement of space and performance, the hinged air bag of existing new architecture, which needs to seal, to be installed in hole, as a result, previous structure
Hinged air sac sealing part original structure, will not fit into the installation of existing demand.
Utility model content
The purpose of this utility model is to provide it is a kind of facilitate in the hole of shield body install and can preferably ensure sealing
The hinged air sac sealing structure for shield machine of performance.
Technical solution adopted in the utility model is：
A kind of hinged air sac sealing structure for shield machine includes the hinge being intervally installed in the hole wall of shield body
Sealing ring and air bag seal assembly are connect, the first holding tank for accommodating hinged sealing ring is formed in the hole wall of shield body and receiving air bag is close
Second holding tank of sealing assembly is additionally provided with and is fixedly connected with the hole wall of shield body to close the close of the first holding tank and the second holding tank
Sealing plate, hinged sealing ring include the first sealing ring main body in the hole wall of shield body, and the first sealing ring main body, which is equipped with, stretches
Go out the once sealing circular arc of the hole wall of shield body, air sac sealing component is including the second sealing ring main body and is mounted on the second sealing ring master
The air sac sealing circle of internal side, the second sealing ring main body are equipped with the secondary seal circular arc for the hole wall for stretching out shield body.
It is further used as the improvement of technical solutions of the utility model, the both sides of the cross section of the first sealing ring main body are to tilt
It narrows in hole wall outside of first installation towards shield body of the first mounting surface being arranged, both sides.
It is further used as the improvement of technical solutions of the utility model, it is logical that several first compressions are equipped in the first sealing ring main body
Hole.
It is further used as the improvement of technical solutions of the utility model, if once sealing circular arc includes hole wall of the arterial highway along shield body
Circumference is to sealing circular arc disposed in parallel.
It is further used as the improvement of technical solutions of the utility model, the both sides of the second sealing ring main body are equipped with protrusion setting
Locating ring, the both sides of the second holding tank, which are equipped with, to be embedded in the matched locating slot of locating ring, the second sealing ring main body by locating ring
It is fixed in locating slot.
It is further used as the improvement of technical solutions of the utility model, air sac sealing circle is located at the interior of the second sealing ring main body
Side is connected the tracheae of promising air sac sealing circle inflation with air sac sealing circle.
It is further used as the improvement of technical solutions of the utility model, receiving is additionally provided between the hole wall and sealing plate of shield body
The air pipe passway of tracheae.
The beneficial effects of the utility model：This for shield machine hinged air sac sealing structure by hinged sealing ring and air bag
Seal assembly point twice are installed in the hole wall of shield body, reduce one of installation to the pore wall thickness of shield body and the demand in space,
Can complete the installation of sealing structure by less hole wall space, at the same multiple-sealed circular arc setting, may make sealing
Effect is more preferable.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the utility model embodiment overall structure diagrammatic cross-section；
Fig. 2 is the utility model embodiment air sac sealing component overall structure diagram；
Fig. 3 is the utility model embodiment hinged sealing ring structural schematic diagram.
Specific implementation mode
Referring to Fig.1~Fig. 3, the utility model is a kind of hinged air sac sealing structure for shield machine, including is located at shield
The hinged sealing ring 1 and air bag seal assembly 2 being intervally installed in the hole wall 10 of body, interior formed of the hole wall 10 of shield body accommodate hinge
It connects the first holding tank of sealing ring 1 and accommodates the second holding tank of air sac sealing component 2, be additionally provided with and fixed with the hole wall of shield body 10
To close the sealing plate 20 of the first holding tank and the second holding tank, hinged sealing ring 1 includes the hole wall 10 mounted on shield body for connection
The first interior sealing ring main body, the first sealing ring main body are equipped with the once sealing circular arc 11 for the hole wall for stretching out shield body, and air bag is close
Sealing assembly 2 includes the second sealing ring main body 21 and the air sac sealing circle 22 mounted on 21 inside of the second sealing ring main body, and second is close
Seal main body 21 is equipped with the secondary seal circular arc 23 for the hole wall 10 for stretching out shield body.
Hinged sealing ring 1 and air bag seal assembly 2 are divided twice in shield by this hinged air sac sealing structure for being used for shield machine
Installation, reduces demand of one of installation to hole wall 10 thickness and space of shield body, can pass through less hole in the hole wall 10 of body
The installation of sealing structure is completed in wall space, at the same multiple-sealed circular arc setting, may make that sealing effect is more preferable.
As the utility model preferred embodiment, the both sides of the cross section of the first sealing ring main body are obliquely installed
First mounting surface 12 of the first mounting surface 12, both sides is narrowed to 10 outside of hole wall of shield body.
It is equipped with several first as the utility model preferred embodiment, in the first sealing ring main body and compresses through-hole 13.
As the utility model preferred embodiment, justify along the hole wall 10 of shield body if once sealing circular arc 11 includes arterial highway
Circumferential sealing circular arc disposed in parallel.
As the utility model preferred embodiment, the both sides of the second sealing ring main body 21 are equipped with the positioning of protrusion setting
Circle 24, the both sides of the second holding tank are equipped with passes through locating ring 24 with 24 matched locating slot of locating ring, the second sealing ring main body 21
It is fixed in embedded locating slot.
As the utility model preferred embodiment, air sac sealing circle 22 is located at the inside of the second sealing ring main body 21,
It is connected the tracheae 25 that promising air sac sealing circle 22 is inflated with air sac sealing circle 22.
As the utility model preferred embodiment, receiving gas is additionally provided between the hole wall 10 and sealing plate 20 of shield body
The air pipe passway 26 of pipe 25.
This sealing structure forms first of sealing, first of sealing by the once sealing circular arc 11 of the first sealing ring main body
For the sealing of compression type, external silt can be placed and mud enters shield body.
Second sealing ring main body 21 and air bag sealing ring 22 form second sealing, and second is sealed into air sac sealing and friendship
The sealing of the combination for connecing sealing, the second sealing ring main body 21 as hinged sealing was originally identical as the first sealing ring main body,
Under the premise of hinged seal failure, is inflated to air sac sealing circle 22 by tracheae 25, further oppresses the second sealing ring main body 21,
So that the second sealing ring main body 21 remains sealing state, so as to preferably prevent extraneous medium from flowing into shield body.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (7)
1. a kind of hinged air sac sealing structure for shield machine, it is characterised in that：Include in the hole wall of shield body to each other
It is accommodated every form receiving hinged sealing ring in the hinged sealing ring and air bag seal assembly of setting, the hole wall of the shield body first
Slot and the second holding tank for accommodating air sac sealing component are additionally provided with and are fixedly connected with the hole wall of the shield body to close the first receiving
The sealing plate of slot and the second holding tank, the hinged sealing ring include the first sealing ring main body in the hole wall of shield body,
The first sealing ring main body is equipped with the once sealing circular arc for stretching out hole wall, and the air sac sealing component includes the second sealing ring
Main body and the air sac sealing circle on the inside of the second sealing ring main body, the second sealing ring main body, which is equipped with, stretches out shield
The secondary seal circular arc of the hole wall of body.
2. the hinged air sac sealing structure according to claim 1 for shield machine, it is characterised in that：First sealing
The both sides for enclosing the cross section of main body are the first mounting surface being obliquely installed, and described the first of both sides install outside the hole wall towards shield body
It narrows side.
3. the hinged air sac sealing structure according to claim 2 for shield machine, it is characterised in that：First sealing
It encloses in main body and is equipped with several first compressions through-holes.
4. the hinged air sac sealing structure according to claim 2 for shield machine, it is characterised in that：The once sealing
If circular arc include arterial highway along shield body hole wall circumference to sealing circular arc disposed in parallel.
5. the hinged air sac sealing structure according to claim 1 for shield machine, it is characterised in that：Second sealing
The both sides for enclosing main body are equipped with the locating ring of protrusion setting, and the both sides of second holding tank are equipped with matched fixed with the locating ring
Position slot, the second sealing ring main body, which is embedded in by locating ring in the locating slot, to be fixed.
6. the hinged air sac sealing structure according to claim 5 for shield machine, it is characterised in that：The air sac sealing
Circle is connected the tracheae of promising air sac sealing circle inflation with the air sac sealing circle positioned at the inside of the second sealing ring main body.
7. the hinged air sac sealing structure according to claim 6 for shield machine, it is characterised in that：Positioned at the shield body
Hole wall and sealing plate between be additionally provided with accommodate tracheae air pipe passway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389054.5U CN208089946U (en) | 2018-03-21 | 2018-03-21 | A kind of hinged air sac sealing structure for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389054.5U CN208089946U (en) | 2018-03-21 | 2018-03-21 | A kind of hinged air sac sealing structure for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089946U true CN208089946U (en) | 2018-11-13 |
Family
ID=64059975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820389054.5U Active CN208089946U (en) | 2018-03-21 | 2018-03-21 | A kind of hinged air sac sealing structure for shield machine |
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| Country | Link |
|---|---|
| CN (1) | CN208089946U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984115A (en) * | 2021-03-19 | 2021-06-18 | 中建八局轨道交通建设有限公司 | Hinged sealing device of shield machine |
-
2018
- 2018-03-21 CN CN201820389054.5U patent/CN208089946U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984115A (en) * | 2021-03-19 | 2021-06-18 | 中建八局轨道交通建设有限公司 | Hinged sealing device of shield machine |
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