CN207989031U - The device that the shield tail of shield prototype is sealed - Google Patents
The device that the shield tail of shield prototype is sealed Download PDFInfo
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- CN207989031U CN207989031U CN201820402343.4U CN201820402343U CN207989031U CN 207989031 U CN207989031 U CN 207989031U CN 201820402343 U CN201820402343 U CN 201820402343U CN 207989031 U CN207989031 U CN 207989031U
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Abstract
The utility model provides a kind of device that the shield tail to shield prototype is sealed.The device includes：Shield tail, sealing element, ball bowl and the shield model section of jurisdiction of shield prototype, two annular seals are bonded in the shield tail of the shield prototype, the shield model pipe on piece equally bonds two annular seals, a cavity is collectively formed in the shield tail of the shield prototype and shield model section of jurisdiction, all fill sealing lubricating oil in gap between the shield tail of the mounting ball bowl in the cavity, the ball bowl and the shield prototype, shield model section of jurisdiction.The apparatus structure of the utility model is simple, compact, cheap, facilitate it is handy, and convenient for promote and actual production use；The tail sealing performance that can guarantee shield prototype under 2.0Mpa high hydraulic pressure environment, the theoretical research to be tunneled safely for shield under high hydraulic condition provide experimental basis.
Description
Technical field
The utility model is related to tunnels and underground engineering technical field more particularly to a kind of shield tail to shield prototype into
The device of row sealing.
Background technology
Currently, in engineering field, tunnel construction is like a raging fire, and Municipal rail traffic, the more river main line of communication over strait are built
If in the ascendant.It is increasing to subway tunnel, vcehicular tunnel demand, and the construction environment that builder is faced is also increasingly multiple
Miscellaneous, shield construction becomes optimal form of construction work under complex geological condition.
Using Qiongzhou strait tunnel as technical background, shield tunnel construction faces lot of challenges, wherein how reductase 12 MPa
The problems such as TBM's position control, excavation face stability contorting, is urgently to be resolved hurrily under practice of construction environment, and solution 2Mpa high hydraulic pressure.
Currently, domestic many scholars carried out some simulation tests for the driving environment of shield machine, there is field test
There are model test and numerical simulation, but not high to the reduction degree of shield tunneling process.Shield prototype is relative to true shield machine
Size is too small, can not be sealed to shield tail in such a way that shield tail brush fills grease.Therefore current shield prototype all uses
The form of ejector sleeve machine carries out simulation propulsion, and the form of ejector sleeve machine may result in shield prototype can only be along straight ahead, can not
Carry out the adjustment of shield attitude.
How to ensure leakproofness and normal operation of the shield prototype under high hydraulic pressure environment, while can also have shield
The functions such as structure pose adjustment solve the problems, such as that the tail sealing of shield prototype is crucial.Currently, one kind is in high hydraulic pressure ring not yet
The method that shield prototype shield tail is effectively sealed under border.
Utility model content
The embodiments of the present invention provide a kind of device that the shield tail to shield prototype is sealed, existing to solve
There is the problem of technology.
To achieve the goals above, the utility model takes following technical solution.
The device that a kind of shield tail to shield prototype is sealed, including：The shield tail of shield prototype, sealing element, ball
Bowl and shield model section of jurisdiction, two annular seals are bonded in the shield tail of the shield prototype, and the shield model pipe on piece is also glued
Two annular seal of knot, a cavity is collectively formed in the shield tail of the shield prototype and shield model section of jurisdiction, in the sky
It all fills in gap between the shield tail of mounting ball bowl in chamber, the ball bowl and the shield prototype, shield model section of jurisdiction
Sealing lubricating oil.
Further, the sealing element is located in the cavity, and the ball bowl is squeezed with the sealing element in the cavity
Pressure reaches sealing effect.
Further, the sealing element is formed by nitrile rubber and polyurethane by die casting.
Further, the ball bowl is formed by 45# steel through ovennodulation, smart car and carburizing.
Further, it is connected by 4 posture adjustment oil cylinders between the shield prototype and shield model section of jurisdiction.
Further, 4 posture adjustment oil cylinders connect shield prototype in a manner of tumbler bearing, and connecting portion is in shield mould
The rear portion of type machine；4 posture adjustment oil cylinders connect shield model section of jurisdiction in a manner of hold-down support, and connecting portion is in shield model
The front end of section of jurisdiction.
Further, make shield prototype using ball bowl as the rotating fulcrum in steering procedure by adjusting posture adjustment oil cylinder
It realizes and turns to, detect the sealing effect of the shield tail of the shield prototype.
The utility model embodiment to height it can be seen from the technical solution that above-mentioned the embodiments of the present invention provide
The apparatus structure that the shield tail of hydraulic pressure shield prototype is sealed is simple, compact, cheap, facilitate it is handy, and convenient for pushing away
Wide and actual production uses；The tail sealing performance that can guarantee shield prototype under 2.0Mpa high hydraulic pressure environment, to be Gao Shui
The theoretical research of shield driving under the conditions of pressure provides experimental basis.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 and Fig. 2 is the device that a kind of shield tail to shield prototype that the utility model embodiment provides is sealed
Cross-sectional view.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to this practicality
Novel limitation.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being used in the specification of the utility model
Wording " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or
Other one or more features of addition, integer, step, operation, element, component and/or their group.It should be understood that working as us
Claim element to be " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or can also
There are intermediary elements.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.It is used herein to arrange
Diction "and/or" includes any cell of one or more associated list items and all combines.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in the utility model fields.Also
It should be understood that those terms such as defined in the general dictionary should be understood that with in the context of the prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the meaning of idealization or too formal.
For ease of the understanding to the utility model embodiment, done by taking several specific embodiments as an example below in conjunction with attached drawing into
The explanation of one step, and each embodiment does not constitute the restriction to the utility model embodiment.
The utility model embodiment provides a kind of device that the shield tail to shield prototype is sealed, and the device is not only
It is compact-sized, and used with actual production convenient for promoting.Shield driving mould under 2Mpa high hydraulic conditions may be implemented in the device
The tail sealing effect of type experiment, to provide experiment base for the theoretical research of shield driving tail sealing under high hydraulic condition
Plinth.
Fig. 1 and Fig. 2 is the cross-sectional view for the device that the above-mentioned shield tail to high hydraulic pressure shield prototype is sealed,
Including：The shield tail 1 of shield prototype, sealing element 2, ball bowl 3, shield model section of jurisdiction 4 and sealing lubricating oil.
Two annular seals 2 are bonded in the shield tail 1 of the shield prototype, and two rings are equally bonded on shield model section of jurisdiction 4
Sealing element 2.Sealing element 2 is bonded by nitrile rubber Special seal glue.Sealing element 2 is passed through by nitrile rubber and polyurethane
Die casting is formed.
Those skilled in the art will be understood that the material type of above-mentioned sealing element 2 is only for example, other are existing or from now on
The material type for the sealing element 2 being likely to occur such as is applicable to the utility model embodiment, should also be included in the utility model guarantor
It protects within range, and is incorporated herein by reference herein.
Shield prototype is connected with shield model section of jurisdiction by 4 posture adjustment oil cylinders, the shield tail and shield of shield prototype
A cavity is collectively formed in model section of jurisdiction, and a sky is collectively formed in the shield tail 1 of the shield prototype and shield model section of jurisdiction 4
Chamber.
4 posture adjustment oil cylinders connect shield prototype in a manner of tumbler bearing, and connecting portion is at the rear portion of shield prototype.4
A posture adjustment oil cylinder connects shield model section of jurisdiction, front end of the connecting portion in shield model section of jurisdiction in a manner of hold-down support.Posture adjustment
Oil cylinder and shield model section of jurisdiction are all made of cast steel, shield model section of jurisdiction outer diameter 580mm, wall thickness 10mm, long 2300mm.
Mounting ball bowl 3 in the cavities.Ball bowl 3 is formed by 45# steel through ovennodulation, smart car and carburizing.
Those skilled in the art will be understood that the material type of above-mentioned ball bowl 3 is only for example, other are existing or from now on may be used
The material type for the ball bowl 3 that can occur such as is applicable to the utility model embodiment, should also be included in the utility model protection model
Within enclosing, and it is incorporated herein by reference herein.
Sealing element 2 is also disposed in above-mentioned cavity, and ball bowl 3 squeezes in the cavities with sealing element 2 reaches sealing effect, ball bowl
All fill sealing lubrication in gap between gap, ball bowl 3 between 3 and the shield tail 1 of shield prototype and shield mould model section of jurisdiction 4
Oil, the sealing lubricating oil take sealing effect.
When examining the sealing effect of above-mentioned apparatus, it is leading tail sealing device of shield by ball bowl, makes test simulation shield
Structure device realizes steering by a small margin, still ensures that the sealing effect of the shield tail of shield prototype.The steering by a small margin of shield machine
It is to realize that the effect of ball bowl is available to prototype rotating fulcrum in steering procedure by adjusting posture adjustment oil cylinder, protects
Its continuous and smoothly realization steering is demonstrate,proved, while also can guarantee the sealing effect of shield tail.
The device of the utility model is equally applicable the shield prototype of the environment under low pressure less than 2.0Mpa hydraulic pressure.
In conclusion the device that the shield tail to high hydraulic pressure shield prototype of the utility model embodiment is sealed has
Beneficial effect is mainly manifested in：
1, apparatus structure is simple, compact, cheap, facilitate it is handy, and convenient for promote and actual production use；
2, device can solve the problems, such as the tail sealing on small size shield prototype；
3, device can guarantee shield prototype tail sealing performance under 2.0Mpa high hydraulic pressure environment, to be high hydraulic condition
The theoretical research of lower shield driving provides experimental basis.
One of ordinary skill in the art will appreciate that：Attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Flow is not necessarily implemented necessary to the utility model.
One of ordinary skill in the art will appreciate that：The component in device in embodiment can describe to divide according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be located in one or more devices different from the present embodiment.On
The component for stating embodiment can be merged into a component, can also be further split into multiple subassemblies.
Each embodiment in this specification is described in a progressive manner, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates may or may not be physically separated, the component shown as unit can be or
Person may not be physical unit, you can be located at a place, or may be distributed over multiple network units.It can root
According to actual need that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
It is confined to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should
It is subject to the protection scope in claims.
Claims (7)
1. the device that a kind of shield tail to shield prototype is sealed, which is characterized in that including：The shield tail of shield prototype,
Sealing element, ball bowl and shield model section of jurisdiction bond two annular seals, the shield model pipe in the shield tail of the shield prototype
On piece also bonds two annular seals, and a cavity is collectively formed in the shield tail of the shield prototype and shield model section of jurisdiction,
Sky between the shield tail of the mounting ball bowl in the cavity, the ball bowl and the shield prototype, shield model section of jurisdiction
Gap all fills sealing lubricating oil.
2. the apparatus according to claim 1, which is characterized in that the sealing element is located in the cavity, the ball bowl with
The sealing element squeezes in the cavity reaches sealing effect.
3. the apparatus of claim 2, which is characterized in that the sealing element passes through mold by nitrile rubber and polyurethane
Casting is formed.
4. the apparatus of claim 2, which is characterized in that the ball bowl is by 45# steel through ovennodulation, smart car and carburizing shape
At.
5. the apparatus of claim 2, which is characterized in that between the shield prototype and shield model section of jurisdiction
It is connected by 4 posture adjustment oil cylinders.
6. device according to claim 5, which is characterized in that 4 posture adjustment oil cylinders connect shield in a manner of tumbler bearing
Structure prototype, connecting portion is at the rear portion of shield prototype；4 posture adjustment oil cylinders connect shield mould in a manner of hold-down support
Type section of jurisdiction, front end of the connecting portion in shield model section of jurisdiction.
7. device according to claim 6, which is characterized in that by adjusting posture adjustment oil cylinder, using ball bowl as steering procedure
In rotating fulcrum, make shield prototype realize turn to, ensure the sealing effect of the shield tail of the shield prototype.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402343.4U CN207989031U (en) | 2018-03-23 | 2018-03-23 | The device that the shield tail of shield prototype is sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820402343.4U CN207989031U (en) | 2018-03-23 | 2018-03-23 | The device that the shield tail of shield prototype is sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989031U true CN207989031U (en) | 2018-10-19 |
Family
ID=63828921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820402343.4U Active CN207989031U (en) | 2018-03-23 | 2018-03-23 | The device that the shield tail of shield prototype is sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397207A (en) * | 2018-03-23 | 2018-08-14 | 北京交通大学 | The device that the shield tail of shield prototype is sealed |
| CN110107307A (en) * | 2019-05-23 | 2019-08-09 | 东北大学 | A kind of device and method of the Thrust System of Shield Tunneling Machines applied to compound stratum |
-
2018
- 2018-03-23 CN CN201820402343.4U patent/CN207989031U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397207A (en) * | 2018-03-23 | 2018-08-14 | 北京交通大学 | The device that the shield tail of shield prototype is sealed |
| CN108397207B (en) * | 2018-03-23 | 2024-04-16 | 北京交通大学 | Device for sealing shield tail of shield model machine |
| CN110107307A (en) * | 2019-05-23 | 2019-08-09 | 东北大学 | A kind of device and method of the Thrust System of Shield Tunneling Machines applied to compound stratum |
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