CN207348863U - A kind of centre revolving joint soil storehouse floating sealing structure device - Google Patents
A kind of centre revolving joint soil storehouse floating sealing structure device Download PDFInfo
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- CN207348863U CN207348863U CN201721215612.8U CN201721215612U CN207348863U CN 207348863 U CN207348863 U CN 207348863U CN 201721215612 U CN201721215612 U CN 201721215612U CN 207348863 U CN207348863 U CN 207348863U
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- floating
- floating ring
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- seal
- rotating shaft
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Abstract
The utility model discloses a kind of centre revolving joint soil storehouse floating sealing structure device, including main driving, rotating shaft and floating seal, the rotating shaft side is equipped with floating seal and main driving, floating seal includes the first floating ring, the second floating ring, the 3rd floating ring and the 4th floating ring, the main driving is connected with the first floating ring, and the right end of first floating ring is connected with the 4th floating ring by the first positioning bolt.Floating ring by O-ring and is bolted between any two；Junction between each two floating ring is equipped with floating seal, and the bottom of the floating seal is fitted in the surface of rotating shaft, while is fixed floating seal by card key, and the downside of the 4th floating ring is equipped with the VD types sealing for preventing foreign matter from entering and pressing plate.The utility model is simple in structure, and practical, adjust automatically ability is strong, ensures that seal is to be in optimal working status all the time, is easily installed maintenance.
Description
Technical field
Centre revolving joint device field is the utility model is related to, a kind of centre revolving joint Tu Cang is related specifically to and floats
Sealing structure unit.
Background technology
Shield machine centre revolving joint is mounted in a kind of mechanism at cutter head of shield machine and main driving center, and center steering connects
The mandrel of head is connected to cutterhead, and is rotated with cutterhead, and the revolving sleeve of rear end maintains static, since cutterhead rotates
When have certain amount of floating, so the floating seal of shaft end is also required to as cutterhead floats after centre revolving joint, this
Sample just can guarantee that good sealing performance, and the soil for preventing from excavating side enters rear storehouse, ensures the normal operation and work of shield machine
Make the safety of personnel.
Since shield machine is in underground activities, water pressure and soil pressure are born, work on the spot environment is poor, therefore, shield machine
Multiple positions need to be sealed.In operation, the cutterhead of shield machine is rotated and floated produces friction to itself, has worn shield
The inner body of machine.At the same time, during regular maintenance and maintenance, worker needs to carry out installation and maintenance to equipment.Cause
This, the inner body of shield machine is improved and is highly desirable.
The content of the invention
The purpose of this utility model is that it is directed to deficiency of the prior art, there is provided a kind of centre revolving joint Tu Cang floats
Sealing structure unit, to solve problems of the prior art.
The technical problem that the utility model is solved can be realized using following technical scheme：
A kind of centre revolving joint soil storehouse floating sealing structure device, including main driving, rotating shaft and floating seal dress
Put, the rotating shaft is laterally disposed, and axis is equipped with floating seal and main driving, and floating seal includes first and floats
Ring, the second floating ring, the 3rd floating ring and the 4th floating ring, the main driving on the left of the first floating ring with being connected, institute
The right side for stating the first floating ring is connected with the 4th floating ring by the first positioning bolt, and the first floating ring, the 4th floating ring are with returning
The surface connection of shaft surrounds a cavity.
Second floating ring and the 3rd floating ring are arranged in cavity, the first floating ring and the second floating ring, second floating
It is connected with each other between rotating ring and the 3rd floating ring, the 3rd floating ring and the 4th floating ring by the first O-ring and the first bolt；Institute
State between the first floating ring and the second floating ring, the second floating ring and the 3rd floating ring, the 3rd floating ring and the 4th floating ring
Junction is equipped with floating seal, and its quantity is some；The bottom of the floating seal is fitted in the surface of rotating shaft, passes through at the same time
Some card keys fix floating seal with the second floating ring, the 3rd floating ring and the 4th floating ring respectively, and the described 4th floats
There is interval between the bottom of ring and rotating shaft, the VD types sealing for preventing foreign matter from entering and pressing plate are set in interval.
Further, the master is driven to fixing device, and main driving passes through the second O-ring and second with floating seal
Bolt is connected.
Further, the floating seal is identical with the quantity of card key.
Further, the rotating shaft is column structure, and can be around the central axis of its own.
Further, the pressing plate is arranged on the outside of VD types sealing, and the side of pressing plate and the right side of the 4th floating ring
At grade, pressing plate is fixed with the 4th floating ring by positioning bolt.
Further, first floating ring and the 4th floating ring are connected by the first positioning pin, second floating ring,
3rd floating ring and the 4th floating ring are cascaded by the second positioning pin.
Further, the right side of the rotating shaft is equipped with several lubricating oil filling mouths.
Compared with prior art, the beneficial effects of the utility model are as follows：
Rotating shaft left end and cutterhead are bolted, and are rotated with the rotation of cutterhead, and floating seal passes through spiral shell
Bolt is fixed in the main driving of dotted line part, and when the offset of any direction is produced in cutterhead rotation process, which floats
Dynamic sealing device can float with rotating shaft.
While work, each lubricating oil filling mouth, so can be with according to the flow and pressure filling lubricating oil of regulation
Ensure the floating sealing structure normal operation.The utility model is simple in structure, and practical, adjust automatically ability is strong, ensures seal
All the time it is to be in optimal working status, is easily installed maintenance.
Brief description of the drawings
Fig. 1 is a kind of overall signal of centre revolving joint soil storehouse floating sealing structure device described in the utility model
Figure.
Fig. 2 is a kind of partial structurtes of centre revolving joint soil storehouse floating sealing structure device described in the utility model
Figure.
Fig. 3 for a kind of side of centre revolving joint soil storehouse floating sealing structure device described in the utility model to regarding
Figure.
Embodiment
To make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Referring to Fig. 1 to Fig. 3, a kind of centre revolving joint soil storehouse floating sealing structure device described in the utility model, bag
Include main driving 12, rotating shaft 11 and floating seal, the rotating shaft is laterally disposed, axis be equipped with floating seal with
And main driving 12, floating seal includes the first floating ring 1, the second floating ring 2, the 3rd floating ring 3 and the 4th floating ring
4, the main driving 12 is connected with the left side of the first floating ring 1, and the right side of first floating ring 1 leads to the 4th 4 rings of floating
Cross the first positioning bolt 12 to connect, the first floating ring 1, the 4th floating ring 4 are connected with the surface of rotating shaft 11 surrounds a cavity.
Second floating ring, 2 and the 3rd floating ring 3 is arranged in the structure of boring, the first floating ring 1 and second
Between floating ring 2, the second floating ring 2 and the 3rd floating ring 3, the 3rd floating ring 3 and the 4th floating ring 4 by the first O-ring 7 and
First bolt is connected with each other；First floating ring, 1 and second floating ring 2, the second floating ring 2 and the 3rd floating ring the 3, the 3rd are floating
Junction between 3 and the 4th floating ring 4 of rotating ring is equipped with floating seal 9, and its quantity is some；The bottom of the floating seal 9
Be fitted in the surface of rotating shaft 11, at the same by some card keys 8 by floating seal 9 respectively with the second floating ring 2, the 3rd floating ring
3 and the 4th floating ring 4 fix, have interval between the bottom of the 4th floating ring 4 and rotating shaft 11, set in interval anti-
The VD types sealing 10 and pressing plate 5 that only foreign matter enters.
The main driving 12 is fixing device, and main driving 12 passes through the second O-ring 6 and the second bolt with floating seal
It is connected.
The floating seal 9 is identical with the quantity of card key 8.
The rotating shaft 11 is column structure, around the central axis of its own.
The pressing plate is arranged on the outside of VD types sealing, and the side of pressing plate 5 and the right side of the 4th floating ring 4 are put down same
On face, while the 4th floating ring 4 is arranged in by positioning bolt 13 and is fixed.
First floating ring 1 is connected with the 4th floating ring 4 by the first positioning pin 15, second floating ring the 2, the 3rd
3 and the 4th floating ring 4 of floating ring is cascaded by the second positioning pin 14.
The right side of the rotating shaft 11 is equipped with several lubricating oil filling mouths 16, beneficial to rotating shaft 11 and floating seal
Normal operation.
Specific embodiment：
11 left end of rotating shaft and cutterhead are bolted, and are rotated with the rotation of cutterhead, floating seal passes through
Bolt is fixed on the main driving 12 (part is fixed) of dotted line part, and the offset of any direction is produced in cutterhead rotation process
When, the floating seal 9 of the floating seal can float with rotating shaft 11, while be fixed floating seal 9 by card key 8,
Prevent from rotating, VD shapes sealing 10 is that the foreign matter of right end in order to prevent enters, and can also increase by one of guarantee；In the same of work
When, each lubricating oil filling mouth 16 can so ensure that the floating seal fills according to the flow and pressure filling lubricating oil of regulation
Put normal operation.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed scope is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of centre revolving joint soil storehouse floating sealing structure device, including main driving, rotating shaft and floating seal,
It is characterized in that：The rotating shaft is laterally disposed, and axis, which is equipped with floating seal and main driving, floating seal, to be included
First floating ring, the second floating ring, the 3rd floating ring and the 4th floating ring, the main driving and the left side phase of the first floating ring
Connection, the right side of first floating ring are connected with the 4th floating ring by the first positioning bolt, and the first floating ring, the 4th float
The connection of the surface of ring and rotating shaft surrounds a cavity；
Second floating ring and the 3rd floating ring are arranged in cavity, the first floating ring and the second floating ring, the second floating ring
It is connected with each other between the 3rd floating ring, the 3rd floating ring and the 4th floating ring by the first O-ring and the first bolt；Described
Connection between one floating ring and the second floating ring, the second floating ring and the 3rd floating ring, the 3rd floating ring and the 4th floating ring
Place is equipped with floating seal, and its quantity is some；The bottom of the floating seal is fitted in the surface of rotating shaft, while by some
Card key fixes floating seal with the second floating ring, the 3rd floating ring and the 4th floating ring respectively, the 4th floating ring
There is interval between bottom and rotating shaft, the VD types sealing for preventing foreign matter from entering and pressing plate are set in interval.
A kind of 2. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
Master is driven to fixing device, and main driving is connected with floating seal by the second O-ring and the second bolt.
A kind of 3. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
Floating seal is identical with the quantity of card key.
A kind of 4. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
Rotating shaft is column structure, and can be around the central axis of its own.
A kind of 5. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
Pressing plate is arranged on the outside of VD types sealing, and the right side of the side of pressing plate and the 4th floating ring is at grade, pressing plate and the
Four floating rings are fixed by positioning bolt.
A kind of 6. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
First floating ring and the 4th floating ring are connected by the first positioning pin, and second floating ring, the 3rd floating ring and the 4th are floating
Rotating ring is cascaded by the second positioning pin.
A kind of 7. centre revolving joint soil storehouse floating sealing structure device according to claim 1, it is characterised in that：It is described
The right side of rotating shaft is equipped with several lubricating oil filling mouths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215612.8U CN207348863U (en) | 2017-09-21 | 2017-09-21 | A kind of centre revolving joint soil storehouse floating sealing structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215612.8U CN207348863U (en) | 2017-09-21 | 2017-09-21 | A kind of centre revolving joint soil storehouse floating sealing structure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207348863U true CN207348863U (en) | 2018-05-11 |
Family
ID=62411327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215612.8U Active CN207348863U (en) | 2017-09-21 | 2017-09-21 | A kind of centre revolving joint soil storehouse floating sealing structure device |
Country Status (1)
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|---|---|
| CN (1) | CN207348863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706344A (en) * | 2020-07-08 | 2020-09-25 | 四川益巨交通工程有限责任公司 | Shield constructs rotary joint auxiliary seal device |
| CN112196563A (en) * | 2020-10-12 | 2021-01-08 | 郎溪腾旋科技有限公司 | Floating sealing device for shield tunneling machine |
-
2017
- 2017-09-21 CN CN201721215612.8U patent/CN207348863U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706344A (en) * | 2020-07-08 | 2020-09-25 | 四川益巨交通工程有限责任公司 | Shield constructs rotary joint auxiliary seal device |
| CN112196563A (en) * | 2020-10-12 | 2021-01-08 | 郎溪腾旋科技有限公司 | Floating sealing device for shield tunneling machine |
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