CN110486028A - Shield excavation machine main drive - Google Patents
Shield excavation machine main drive Download PDFInfo
- Publication number
- CN110486028A CN110486028A CN201910875510.6A CN201910875510A CN110486028A CN 110486028 A CN110486028 A CN 110486028A CN 201910875510 A CN201910875510 A CN 201910875510A CN 110486028 A CN110486028 A CN 110486028A
- Authority
- CN
- China
- Prior art keywords
- shell
- ring
- outer ring
- cutterhead
- main drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009412 basement excavation Methods 0.000 title claims description 17
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Shield machine main drive the present invention relates to culvert tunnelling device technical field of driving more particularly to diameter at 5-7 meters.The present invention includes: shell, driving device, base bearing, cutterhead bracket and sealing structure；The driving device and base bearing of the corresponding connection of multiple groups are housed, cutterhead bracket is loaded on the inside of shell, and puts together on together with base bearing by bolt on shell；Sealing structure is housed between cutterhead bracket and shell；Cutterhead is housed on cutterhead bracket.Every group of driving device motor, speed reducer；Speed reducer is put together on shell, and motor is connected with speed reducer；The pinion gear and the tooth engagement on main shaft bearing outer-ring of output end of reducer.Technical solution of the present invention solves that in the prior art that structure is complicated is special, volume is big, carrying is big, purchases the problems such as maintenance cost is high.
Description
Technical field
Shield the present invention relates to culvert tunnelling device technical field of driving more particularly to diameter at 5-7 meters
Machine main drive.
Background technique
With the high speed development of Modern Traffic, large tunnel construction is more and more, and the shield machine of tunneling is also more next
It is intended to enlargement；Existing large shield machine causes many since mechanical structure and the arrangement form of sealing etc. are different
Problem:
1, main drive is mounted on anterior shield centre, and structure is special, volume is limited, carrying is big；
2, import equipment acquisition price is expensive, maintenance costs are high；
3, all there is very big limitation to using and repairing in import equipment technical know-how.
For it is above-mentioned the problems of in the prior art, a kind of novel shield driving owner of researching and designing drives dress
It sets, so that it is very necessary for overcoming the problems of in the prior art.
Summary of the invention
Itd is proposed according to the above-mentioned prior art: special, volume that structure is complicated is greatly, carrying is big, purchases the technologies such as maintenance cost height
Problem, and a kind of shield excavation machine main drive is provided.The present invention mainly utilizes multiple electric motors or motor synchronous to drive deceleration
Machine is rotated by transmission system band movable knife disc bracket, and cutterhead supporting band moving knife disc spins are excavated, thus realize device structure it is simple,
It is small in size, carrying is big, purchases the low purpose of maintenance cost.
The technological means that the present invention uses is as follows:
A kind of shield excavation machine main drive includes: shell, driving device, base bearing, cutterhead bracket and sealing structure；
The driving device and base bearing of the corresponding connection of multiple groups are housed, cutterhead bracket is loaded on the inside of shell, and and base bearing on shell
It is put together on together by bolt；Sealing structure is housed between cutterhead bracket and shell；Cutterhead is housed on cutterhead bracket.
Further, every group of driving device motor, speed reducer；Speed reducer is put together on shell, and motor is connected with speed reducer
It connects；The pinion gear and the tooth engagement on main shaft bearing outer-ring of output end of reducer.
Further, sealing structure includes: outer ring primary seal, outer ring sealing caulking ring, the double-lip seal of circle with o, inner ring
Primary seal hub, inner ring sealing caulking ring；Outer ring primary seal and outer ring sealing caulking ring are loaded between the outer ring and shell of cutterhead bracket, In
The double-lip seal of one or multi-channel circle with o is respectively set inside and outside outer ring primary seal and outer ring sealing caulking ring；Inner ring master is close
Hub and inner ring sealing caulking ring are sealed loaded between the inner ring and shell of cutterhead bracket, in inner ring primary seal hub and inner ring sealing caulking ring
Inside and outside the double-lip seal of one or multi-channel circle with o is respectively set.
Further, the outer ring primary seal between the outer ring and shell of cutterhead bracket and outer ring sealing caulking ring are set as three
Or more road.
Further, the inner ring primary seal hub between the inner ring and shell of cutterhead bracket and inner ring sealing caulking ring are set as three
Road or more.
Further, it is full of drier oil in the cavity that sealing structure is formed or is recycled using thin oil, guarantees that sealing is normal
Work.
The operation principle of the present invention is that:
The synchronous driving speed reducer of multiple electric motors (or motor), drives pinion gear rotation, so that driving spindle bearing outer-ring rotates,
It drives and the cutterhead bracket of conjunction is rotated therewith, so that cutterhead be driven to rotate.To prevent water and silt from can enter base bearing, in shell
Multiple tracks primary seal is added between cutterhead bracket, between sealing plus spacer ring forms cavity, fills drier oil or utilization in the cavities
Thin oil carries out circulation lubrication and cooling, guarantees the normal work of sealing.
Compared with the prior art, the invention has the following advantages that
1, shield excavation machine main drive provided by the invention, compact-sized, small in size, carrying is big, easy to maintenance
2, shield excavation machine main drive provided by the invention, sealing is long with more maintenance cycle, high reliablity, Yi Geng
The characteristics of changing
3, shield excavation machine main drive provided by the invention, the sliding surface plan contacted with primary seal are outer circle,
Processing easy to repair, reduces cost
4, shield excavation machine main drive provided by the invention solves main drive and needs import, bulk/volume buying
Problem expensive, maintenance costs are high, all auxiliary equipments can individually be bought
5, shield excavation machine main drive provided by the invention can set motor or motor according to actual needs and subtract
The quantity of fast machine, reduces cost
The present invention has many advantages, such as that simple processing, cheap, maintenance costs are low, safe and reliable, large quantities of
Amount puts goods on the market and will generate positive social benefit and significant economic benefit.
To sum up, it applies the technical scheme of the present invention and solves that in the prior art that structure is complicated is special, volume is big, carrying
Greatly, the problems such as maintenance cost is high is purchased.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the present invention；
Fig. 2 is the A-A view of Fig. 1；
Fig. 3 is the portion the D enlarged view of Fig. 2；
Fig. 4 is the C-C view of Fig. 1；
Fig. 5 is shaft side figure 1 of the invention；
Fig. 6 is shaft side figure 2 of the invention；
Fig. 7 is axis cross-sectional side view of the present invention
In figure: 1, shell 2, motor 3, speed reducer 4, pinion gear 5, base bearing 6, cutterhead bracket 7, outer ring primary seal 8, outer ring
Sealing caulking ring 9, the double-lip seal 10 of circle with o, inner ring primary seal hub 11, inner ring sealing caulking ring.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown, including: shell 1, driving device, main shaft the present invention provides a kind of shield excavation machine main drive
Hold 5, cutterhead bracket 6 and sealing structure；The driving device and base bearing 5 of the corresponding connection of multiple groups, cutterhead bracket are housed on shell 1
6 are loaded on the inside of shell 1, and are put together on together with base bearing 5 by bolt；Equipped with sealing between cutterhead bracket 6 and shell 1
Structure；Cutterhead is housed on cutterhead bracket 6.
Every group of driving device motor 2, speed reducer 3；Speed reducer 3 is put together on shell 1, and motor 2 is connected with speed reducer 3；
The pinion gear 4 and the tooth engagement on 5 outer ring of base bearing of 3 output end of speed reducer.
Sealing structure includes: outer ring primary seal 7, outer ring sealing caulking ring 8, the double-lip seal 9 of circle with o, inner ring primary seal
Hub 10, inner ring sealing caulking ring 11；Outer ring primary seal 7 and outer ring sealing caulking ring 8 are loaded between the outer ring and shell 1 of cutterhead bracket 6,
The double-lip seal 9 of one or multi-channel circle with o is respectively set inside and outside outer ring primary seal 7 and outer ring sealing caulking ring 8；Inner ring
Primary seal hub 10 and inner ring sealing caulking ring 11 are loaded between the inner ring and shell 1 of cutterhead bracket 6, in inner ring primary seal hub 10 and interior
The double-lip seal 9 of one or multi-channel circle with o is respectively set inside and outside circle sealing caulking ring 11.
Outer ring primary seal 7 and outer ring sealing caulking ring 8 and cutterhead bracket 6 between the outer ring and shell 1 of cutterhead bracket 6
Inner ring primary seal hub 10 and inner ring sealing caulking ring 11 between inner ring and shell 1 are disposed as three or more roads.
It is full of drier oil in the cavity that sealing structure is formed or is recycled using thin oil, guarantees that sealing works normally.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of shield excavation machine main drive, which is characterized in that the shield excavation machine main drive includes: shell
(1), driving device, base bearing (5), cutterhead bracket (6) and sealing structure；
The driving device and base bearing (5) of the corresponding connection of multiple groups are housed, cutterhead bracket (6) is loaded on shell on the shell (1)
The inside of body (1), and put together on together with base bearing (5) by bolt；Equipped with close between cutterhead bracket (6) and shell (1)
Seal structure；Cutterhead is housed on cutterhead bracket (6).
2. shield excavation machine main drive according to claim 1, which is characterized in that every group of driving device electricity
Machine (2), speed reducer (3)；Speed reducer (3) is put together on shell (1), and motor (2) is connected with speed reducer (3)；Speed reducer (3) is defeated
The pinion gear (4) and the tooth engagement on base bearing (5) outer ring of outlet.
3. shield excavation machine main drive according to claim 1, which is characterized in that the sealing structure includes:
Outer ring primary seal (7), outer ring sealing caulking ring (8), the double-lip seal (9) of circle with o, inner ring primary seal hub (10), inner ring sealing
Spacer ring (11)；Outer ring primary seal (7) and outer ring sealing caulking ring (8) are loaded between the outer ring and shell (1) of cutterhead bracket (6), In
The double-lip seal (9) of one or multi-channel circle with o is respectively set inside and outside outer ring primary seal (7) and outer ring sealing caulking ring (8)；
Inner ring primary seal hub (10) and inner ring sealing caulking ring (11) are loaded between the inner ring and shell (1) of cutterhead bracket (6), in inner ring master
The double-lip seal (9) of one or multi-channel circle with o is respectively set inside and outside sealed hub (10) and inner ring sealing caulking ring (11).
4. shield excavation machine main drive according to claim 3, which is characterized in that the cutterhead bracket (6)
Outer ring primary seal (7) and outer ring sealing caulking ring (8) between outer ring and shell (1) are set as three or more roads.
5. shield excavation machine main drive according to claim 3, which is characterized in that the cutterhead bracket (6)
Inner ring primary seal hub (10) and inner ring sealing caulking ring (11) between inner ring and shell (1) are set as three or more roads.
6. shield excavation machine main drive according to claim 3, which is characterized in that the sealing structure was formed
It is full of drier oil in cavity or is recycled using thin oil, guarantees that sealing works normally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875510.6A CN110486028A (en) | 2019-09-17 | 2019-09-17 | Shield excavation machine main drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875510.6A CN110486028A (en) | 2019-09-17 | 2019-09-17 | Shield excavation machine main drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110486028A true CN110486028A (en) | 2019-11-22 |
Family
ID=68558255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910875510.6A Pending CN110486028A (en) | 2019-09-17 | 2019-09-17 | Shield excavation machine main drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486028A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594214A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Full-face tunneling machine and dual-drive system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037678A (en) * | 1996-07-26 | 1998-02-10 | Nok Corp | Sealing device |
| CN101280847A (en) * | 2007-12-24 | 2008-10-08 | 沈阳重型机械集团有限责任公司 | Main bearing multi-layer sealing structure of complete section tunnel boring machine |
| CN103485778A (en) * | 2013-05-23 | 2014-01-01 | 西安交通大学 | Three-level plane-type cutterhead system with adjustable rotating speed at all levels for full face rock tunnel boring machine |
| CN203531918U (en) * | 2013-10-31 | 2014-04-09 | 北方重工集团有限公司 | Fast-replacing-type tunnel boring machine (TBM) main drive sealing device |
| CN104153785A (en) * | 2014-07-11 | 2014-11-19 | 中铁工程装备集团有限公司 | Variable parameter pressure balance shield tunneling machine cutter drive device |
-
2019
- 2019-09-17 CN CN201910875510.6A patent/CN110486028A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1037678A (en) * | 1996-07-26 | 1998-02-10 | Nok Corp | Sealing device |
| CN101280847A (en) * | 2007-12-24 | 2008-10-08 | 沈阳重型机械集团有限责任公司 | Main bearing multi-layer sealing structure of complete section tunnel boring machine |
| CN103485778A (en) * | 2013-05-23 | 2014-01-01 | 西安交通大学 | Three-level plane-type cutterhead system with adjustable rotating speed at all levels for full face rock tunnel boring machine |
| CN203531918U (en) * | 2013-10-31 | 2014-04-09 | 北方重工集团有限公司 | Fast-replacing-type tunnel boring machine (TBM) main drive sealing device |
| CN104153785A (en) * | 2014-07-11 | 2014-11-19 | 中铁工程装备集团有限公司 | Variable parameter pressure balance shield tunneling machine cutter drive device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594214A (en) * | 2020-05-29 | 2020-08-28 | 中国铁建重工集团股份有限公司 | Full-face tunneling machine and dual-drive system thereof |
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