CN108915711A - A kind of cutter head of shield machine freezing pipeline jointing construction - Google Patents
A kind of cutter head of shield machine freezing pipeline jointing construction Download PDFInfo
- Publication number
- CN108915711A CN108915711A CN201810689313.0A CN201810689313A CN108915711A CN 108915711 A CN108915711 A CN 108915711A CN 201810689313 A CN201810689313 A CN 201810689313A CN 108915711 A CN108915711 A CN 108915711A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- ring
- cutter head
- shield machine
- cutterhead
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 230000008014 freezing Effects 0.000 title abstract description 20
- 238000007710 freezing Methods 0.000 title abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 42
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 239000004519 grease Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000005641 tunneling Effects 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
- 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
-
- 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
- E21D9/001—Improving soil or rock, e.g. by freezing; Injections
-
- 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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/0671—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with means for consolidating the rock in front of the shield by injection of consolidating substances through boreholes
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Soil Sciences (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of cutter head of shield machine to freeze pipeline jointing construction, including cutterhead, anterior shield partition, the muddy water storehouse between cutterhead and anterior shield partition, several inside cold pipelines are disposed on cutterhead, it is imported and exported equipped with pipeline the end of each inside cold pipeline, it further include the gas-tight silo with the isolation of muddy water storehouse in muddy water storehouse, each pipeline inlet and outlet protrude into gas-tight silo, and anterior shield partition is equipped with several interfaces communicated with gas-tight silo, and each interface and each pipeline inlet and outlet are opposite.This cutter head of shield machine freezes pipeline jointing construction; the pipeline inlet and outlet of inside cold pipeline protrude into gas-tight silo; when shield machine shuts down progress cutter head of shield machine freezing construction; external refrigerating system pipeline is accessed by the interface on anterior shield partition; and the pipeline that external refrigerating system pipeline and inside cold pipeline are connected in gas-tight silo is imported and exported, gas-tight silo and muddy water storehouse completely cut off, and prevent mud when connecting line from pouring in shield body; guarantee construction safety, the invention is used for shield machine tool changing technical field.
Description
Technical field
The present invention relates to shield machine tool changing technical fields, freeze piping connection knot more particularly to a kind of cutter head of shield machine
Structure.
Background technique
Shield machine is a kind of rock tunnel(ling) machine using shield method, and the basic functional principle of shield construction is a cylinder
The steel component of body excavates soil when pushing ahead along canal axes, and shell, that is, shield of the cylinder component, it is right
The also unlined Tunnel Section excavated plays a part of temporary support, the pressure of surrounding soil layer is born, sometimes also subject to underground
Hydraulic pressure and by underground water gear outside, the operations such as excavation, casting, lining cutting carry out under the shielding of shield.
And in shield tunneling process, when abrasion or damage that the cutter on cutter head of shield machine reaches a certain level, need
Carry out maintenance down or replacement cutter.It needs to reinforce face when construction personnel's warehouse entry operation, face is avoided to collapse
Side such as causes casualties at the major accidents, currently, entering the method that native storehouse operation is generally reinforced using warehouse entry with pressure or ground.
Warehouse entry with pressure is by keeping face to stablize, needing professional technician, difficulty of construction to compressed air is added in native storehouse
Greatly, technical requirements are high, and there are certain security risks；It is to carry out concrete strengthening from ground in face of shield face that ground, which reinforces,
It needs to carry out control to construction site, time-consuming, and construction cost is high.Cutter head of shield machine freezing construction technology is a kind of relatively new type
Construction technology cutter head of shield machine is transformed in cutter head of shield machine freezing construction technology, increase freezing pipeline and freezing
Equipment makes cutter head of shield machine have the function of frozen ground, to soil stabilization by freezing outside Tu Cang, becomes entire cutterhead steel construction
Huge " freezing disk " (isothermal body), by freezing cutterhead to the soil body in compartment and the shield head front, rear, top, and bottom soil body into
Row freezing soil makes periphery form Frozen Soil Cylinder, reaches normal pressure and opens a position the requirement of tool changing, then under the protection of Frozen Soil Cylinder into
Row opens a position tool changing, can save the duration, reduces investment, guarantees the safety of the complicated tool changing that opens a position in Unfavorable geology.
Cutter head of shield machine freezes in construction technology, and because freezing pipeline is arranged in shield machine precursor, on cutter head panel, shield is just
Often it is idle pipeline when driving, is not connected to the external world, when carrying out freezing construction, need to be connected with external refrigerating system pipeline, thus
The conveying circulation for carrying out refrigerant, reaches freezing purpose.And the freezing pipeline and external refrigerating system device on connection cutterhead
In the process, release may cause mud and pour in shield body, lead to safety accident.
Summary of the invention
The purpose of the present invention is to provide a kind of construction safeties, the simple cutter head of shield machine freezing piping connection knot of structure
Structure.
The technical solution adopted by the present invention is that：
A kind of cutter head of shield machine freezes pipeline jointing construction, including cutterhead, anterior shield partition, be located at cutterhead and anterior shield partition it
Between muddy water storehouse, several inside cold pipelines are disposed on cutterhead, the end of each inside cold pipeline is imported and exported equipped with pipeline, also
Including the gas-tight silo with the isolation of muddy water storehouse in muddy water storehouse, each pipeline inlet and outlet are protruded into gas-tight silo, and anterior shield partition is equipped with
Several interfaces communicated with gas-tight silo, each interface and each pipeline inlet and outlet are opposite.
It is further used as the improvement of technical solution of the present invention, and gas-tight silo includes outer seal ring, inner seal ring, is located at external seal
Sealing ring between ring and inner seal ring.
It is further used as the improvement of technical solution of the present invention, if cutterhead end face is equipped with around cutter head center axis arrangement
Dry cutterhead supporting leg, is additionally provided with the flange that each cutterhead supporting leg is fixedly mounted, and flange, the end of inner seal ring are close in the end face of outer seal ring
It is close to anterior shield partition in face.
It is further used as the improvement of technical solution of the present invention, and outer seal ring includes swivel becket and the protrusion vertical with swivel becket
Ring, the inside of protruding ring are contacted with the outer ring of sealing ring, and the outside of inner seal ring is contacted with the inner ring of sealing ring.
It is further used as the improvement of technical solution of the present invention, and outer seal ring is fixed by welding on each cutterhead supporting leg, interior
Sealing ring is fixed by welding on anterior shield partition.
It is further used as the improvement of technical solution of the present invention, and sealing ring includes sealing inner ring and is fixedly connected with sealing inner ring
Sealed outer ring, sealed outer ring is obliquely installed.
It is further used as the improvement of technical solution of the present invention, and inner seal ring is equipped with the convex for positioning seal ring
It rises.
It is further used as the improvement of technical solution of the present invention, and the rear and front end of sealing ring is equipped with compression sealing inner ring in interior
Compression ring on sealing ring, the compression ring close to anterior shield partition are close to positioning protrusion.
It is further used as the improvement of technical solution of the present invention, and there are two sealing rings.
It is further used as the improvement of technical solution of the present invention, and lubricant grease is passed through in gas-tight silo, and pipeline inlet and outlet are equipped with
The plug of unlatching can be screwed, interface is connected with connector, and connector is connected with external refrigerating system pipeline, and connector is equipped with the valve of control on-off
Door and for cleaning Butterworth Hatch.
Beneficial effects of the present invention：This cutter head of shield machine freezes pipeline jointing construction, the pipeline disengaging of inside cold pipeline
Mouth protrudes into gas-tight silo, outer by the interface access on anterior shield partition when shield machine shuts down progress cutter head of shield machine freezing construction
Portion freezes pipeline, and the pipeline inlet and outlet of external refrigerating system pipeline and inside cold pipeline, gas-tight silo and mud are connected in gas-tight silo
Sump isolation, prevents mud when connecting line from pouring in shield body, guarantees construction safety, and total and attended operation are simple.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings：
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the partial enlarged view at gas-tight silo of the embodiment of the present invention；
Fig. 3 is the partial enlarged view at sealing ring of the embodiment of the present invention.
Specific embodiment
Referring to Fig.1~Fig. 3, the present invention be a kind of cutter head of shield machine freeze pipeline jointing construction, including cutterhead 1, anterior shield every
Plate 2, the muddy water storehouse 3 between cutterhead 1 and anterior shield partition 2 are disposed with several inside cold pipelines on cutterhead 1, and each inside is cold
The end on frozen pipe road is equipped with pipeline inlet and outlet 4, further includes the gas-tight silo 5 completely cut off with muddy water storehouse 3 in muddy water storehouse 3, each pipeline
Inlet and outlet 4 protrude into gas-tight silo 5, and anterior shield partition 2 is equipped with several interfaces 6 communicated with gas-tight silo 5, each interface 6 and each pipeline
Inlet and outlet 4 are opposite.
In the shield machine course of work, the mud that driving soil layer generates is filled in muddy water storehouse 3, and inside cold pipeline is with cutterhead
1 rotation, anterior shield partition 2 is fixed setting, to the mud completely cut off in muddy water storehouse 3.
This cutter head of shield machine freezes pipeline jointing construction, for connecting inside cold pipeline and external refrigerating system pipeline 7.It is internal
The pipeline inlet and outlet 4 of freezing pipeline protrude into gas-tight silo 5, and when shield machine shuts down progress cutter head of shield machine freezing construction, cutterhead 1 revolves
It goes to pipeline to import and export on 4 positions opposite with the interface 6 on anterior shield partition 2, external refrigerating system pipeline is then accessed by interface 6
7, and pipeline inlet and outlet 4 of the external refrigerating system pipeline 7 with inside cold pipeline, gas-tight silo 5 and muddy water storehouse 3 are connected in gas-tight silo 5
Isolation, prevents mud when connecting line from pouring in shield body, guarantees construction safety, and total and attended operation are simple.Connection
After the completion, it can be passed through refrigerant from external refrigerating system pipeline 7, cutterhead 1 is freezed.
If connecting inside cold pipeline and external refrigerating system pipeline 7 in muddy water storehouse 3 without gas-tight silo 5, opens interface 6 and connect
When connecing, release causes mud to pour in shield body, and attended operation difficulty is high in muddy water storehouse 3.
Wherein, gas-tight silo 5 includes outer seal ring 51, inner seal ring 52, between outer seal ring 51 and inner seal ring 52
Sealing ring 53.
1 end face of cutterhead is equipped with several cutterhead supporting legs 8 around 1 central axis of cutterhead arrangement, and cutterhead supporting leg 8 is used to support
Cutterhead 1 is additionally provided with the flange 9 that each cutterhead supporting leg 8 is fixedly mounted.Flange 9 is close in the end face of outer seal ring 51, inner seal ring 52
Anterior shield partition 2 is close in end face, to prevent intersection and gas-tight silo 5 and anterior shield partition 2 of the mud from gas-tight silo 5 and flange 9
Intersection enter gas-tight silo 5.By sealing ring 53 prevent gap of the mud between outer seal ring 51 and inner seal ring 52 into
Enter gas-tight silo 5.
During shield machine headwork, cutterhead supporting leg 8, flange 9, outer seal ring 51 are rotated with cutterhead 1, and interior sealing
Ring 52 is fixed on anterior shield partition 2.Outer seal ring 51 is fixed by welding on each cutterhead supporting leg 8, and inner seal ring 52 passes through weldering
It connects and is fixed on anterior shield partition 2, machined surface needs postwelding to process to guarantee precision.
In addition, outer seal ring 51 includes swivel becket 511 and the protruding ring 512 vertical with swivel becket 511, protruding ring 512
Inside is contacted with the outer ring of sealing ring 53, and the outside of inner seal ring 52 is contacted with the inner ring of sealing ring 53.In addition, outer seal ring 51
It setting on the outside or outer seal ring 51 and 52 same diameter of inner seal ring and opposite is set in inside and inner seal ring 52
It sets, belongs to equivalent modifications of the invention, these equivalent modifications include within the scope defined in the claims of this application.
As a preferred embodiment of the present invention, sealing ring 53 includes sealing inner ring 531 and fixes company with sealing inner ring 531
The sealed outer ring 532 connect, sealed outer ring 532 are obliquely installed.
Mud will can generate sealed outer ring 532 certain by the gap between outer seal ring 51 and inner seal ring 52
Pressure makes the sealed outer ring being obliquely installed 532 generate certain deformation, and outer diameter becomes larger, so that sealed outer ring 532 is close to external seal
Ring 51, to reach better seal effect.
As a preferred embodiment of the present invention, inner seal ring 52 is equipped with the positioning protrusion for positioning seal ring 53
521。
As a preferred embodiment of the present invention, the rear and front end of sealing ring 53 is equipped with compression sealing inner ring 531 in interior
Compression ring 533 on sealing ring 52, the compression ring 533 close to anterior shield partition 2 are close to positioning protrusion 521.It is fixed by compression ring 533
Position and compression sealing ring 53, guarantee that sealing ring 53 will not generate axial float.Compression ring 533 can be fixed by screws in interior sealing
On ring 52.
As a preferred embodiment of the present invention, in order to enhance sealing effect, there are two sealing rings 53.
As a preferred embodiment of the present invention, lubricant grease is passed through in gas-tight silo 5, pipeline inlet and outlet 4 are equipped with and can revolve
The plug 41 opened is unscrewed, interface 6 is connected with connector 61, and connector 61 is connect with external refrigerating system pipeline 7, and it is logical that connector 61 is equipped with control
Disconnected valve 611 and the Butterworth Hatch 612 for cleaning.
It is passed through in gas-tight silo 5 at lubricant grease, especially sealing ring 53, to reduce between outer seal ring 51 and sealing ring 53
Rotation friction, extend sealing ring 53 working life, and enhance sealing effect.Plug 41 is for preventing lubricant grease from pipe
Road inlet and outlet 4 enter inside cold pipeline, when accessing external refrigerating system pipeline 7, plug 41 are unscrewed, then jointing 61.It is logical
The on-off for crossing the control freezing pipeline of valve 611 on connector 61, can be passed through water by Butterworth Hatch 612 to clean gas-tight silo 5.
Certainly, the invention is not limited to above embodiment, and those skilled in the art are without prejudice to originally
Equivalent modifications or replacement can be also made under the premise of spirit, these equivalent variation or replacement are all contained in the application right
It is required that in limited range.
Claims (10)
1. a kind of cutter head of shield machine freezes pipeline jointing construction, it is characterised in that：Including cutterhead (1), anterior shield partition (2), it is located at
Muddy water storehouse (3) between the cutterhead (1) and anterior shield partition (2) is disposed with several inside cold pipelines on the cutterhead (1),
The end of each inside cold pipeline be equipped with pipeline inlet and outlet (4), further include in the muddy water storehouse (3) with the muddy water
The gas-tight silo (5) of storehouse (3) isolation, each pipeline inlet and outlet (4) are protruded into the gas-tight silo (5), on the anterior shield partition (2)
Equipped with several interfaces (6) communicated with the gas-tight silo (5), each interface (6) and each pipeline import and export (4) relatively,
The interface (6) is connected with connector (61), and the connector (61) is connected with external refrigerating system pipeline (7).
2. cutter head of shield machine according to claim 1 freezes pipeline jointing construction, it is characterised in that：The gas-tight silo (5)
Including outer seal ring (51), inner seal ring (52), the sealing ring between the outer seal ring (51) and inner seal ring (52)
(53)。
3. cutter head of shield machine according to claim 2 freezes pipeline jointing construction, it is characterised in that：Cutterhead (1) end
Face is equipped with several cutterhead supporting legs (8) around the cutterhead (1) central axis arrangement, is additionally provided with and each cutterhead is fixedly mounted
It is close to the flange (9), the end face of the inner seal ring (52) in the end face of the flange (9) of supporting leg (8), the outer seal ring (51)
It is close to the anterior shield partition (2).
4. cutter head of shield machine according to claim 2 or 3 freezes pipeline jointing construction, it is characterised in that：The external seal
Ring (51) includes swivel becket (511) and the protruding ring vertical with the swivel becket (511) (512), the protruding ring (512) it is interior
Side is contacted with the outer ring of the sealing ring (53), and the outside of the inner seal ring (52) and the inner ring of the sealing ring (53) connect
Touching.
5. cutter head of shield machine according to claim 3 freezes pipeline jointing construction, it is characterised in that：The outer seal ring
(51) it is fixed by welding on each cutterhead supporting leg (8), the inner seal ring (52) is fixed by welding in the anterior shield
On partition (2).
6. cutter head of shield machine according to claim 2 freezes pipeline jointing construction, it is characterised in that：The sealing ring (53)
Including sealing inner ring (531) and the sealed outer ring (532) being fixedly connected with sealing inner ring (531), the sealed outer ring
(532) it is obliquely installed.
7. cutter head of shield machine according to claim 6 freezes pipeline jointing construction, it is characterised in that：The inner seal ring
(52) it is equipped with the positioning protrusion (521) for positioning the sealing ring (53).
8. cutter head of shield machine according to claim 7 freezes pipeline jointing construction, it is characterised in that：The sealing ring (53)
Rear and front end be equipped with and compress sealing inner ring (531) in the compression ring (533) on the inner seal ring (52), close institute
The compression ring (533) for stating anterior shield partition (2) is close to the positioning protrusion (521).
9. cutter head of shield machine according to claim 6 freezes pipeline jointing construction, it is characterised in that：The sealing ring (53)
There are two.
10. cutter head of shield machine according to claim 2 freezes pipeline jointing construction, it is characterised in that：The gas-tight silo (5)
It is inside passed through lubricant grease, the pipeline inlet and outlet (4) are equipped with the plug (41) that can screw unlatching, and the connector (61) is equipped with
Control the valve (611) of on-off and the Butterworth Hatch (612) for cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689313.0A CN108915711B (en) | 2018-06-28 | 2018-06-28 | Shield constructs machine knife dish freezing pipeline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689313.0A CN108915711B (en) | 2018-06-28 | 2018-06-28 | Shield constructs machine knife dish freezing pipeline connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915711A true CN108915711A (en) | 2018-11-30 |
| CN108915711B CN108915711B (en) | 2020-02-21 |
Family
ID=64423273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810689313.0A Active CN108915711B (en) | 2018-06-28 | 2018-06-28 | Shield constructs machine knife dish freezing pipeline connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915711B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538226A (en) * | 2019-01-14 | 2019-03-29 | 中铁工程装备集团有限公司 | A kind of novel static pipeline arranging structure of cutterhead freezing |
| CN109989764A (en) * | 2019-05-21 | 2019-07-09 | 中国铁建重工集团股份有限公司 | Normal pressure tool changing cutter head with freezing function |
| CN110080786A (en) * | 2019-04-04 | 2019-08-02 | 中船重型装备有限公司 | A kind of shield machine and its guard method with end face freezing system |
| CN113464151A (en) * | 2021-07-14 | 2021-10-01 | 中铁工程装备集团有限公司 | Novel normal pressure cutter head and shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04360989A (en) * | 1991-06-07 | 1992-12-14 | Okumura Corp | Method of joining shield machine underground and joining shield machine therefor |
| CN1900521A (en) * | 2005-07-21 | 2007-01-24 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Fishable linear motor reciprocating pump |
| CN105298505A (en) * | 2015-11-16 | 2016-02-03 | 中国铁建重工集团有限公司 | Earth pressure balance shield machine with freezing function and tool change method thereof |
| CN105422108A (en) * | 2015-11-16 | 2016-03-23 | 广东华隧建设股份有限公司 | Tool changing method based on slurry balanced shield machine with freezing function |
| CN107387100A (en) * | 2017-08-22 | 2017-11-24 | 中铁工程装备集团有限公司 | A kind of shield machine for possessing freezing and reinforcing function |
| CN107387757A (en) * | 2017-06-30 | 2017-11-24 | 嘉兴职业技术学院 | Case seal structure |
-
2018
- 2018-06-28 CN CN201810689313.0A patent/CN108915711B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04360989A (en) * | 1991-06-07 | 1992-12-14 | Okumura Corp | Method of joining shield machine underground and joining shield machine therefor |
| CN1900521A (en) * | 2005-07-21 | 2007-01-24 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Fishable linear motor reciprocating pump |
| CN105298505A (en) * | 2015-11-16 | 2016-02-03 | 中国铁建重工集团有限公司 | Earth pressure balance shield machine with freezing function and tool change method thereof |
| CN105422108A (en) * | 2015-11-16 | 2016-03-23 | 广东华隧建设股份有限公司 | Tool changing method based on slurry balanced shield machine with freezing function |
| CN107387757A (en) * | 2017-06-30 | 2017-11-24 | 嘉兴职业技术学院 | Case seal structure |
| CN107387100A (en) * | 2017-08-22 | 2017-11-24 | 中铁工程装备集团有限公司 | A kind of shield machine for possessing freezing and reinforcing function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538226A (en) * | 2019-01-14 | 2019-03-29 | 中铁工程装备集团有限公司 | A kind of novel static pipeline arranging structure of cutterhead freezing |
| CN109538226B (en) * | 2019-01-14 | 2024-03-08 | 中铁工程装备集团有限公司 | Novel cutter head freezing static pipeline arrangement structure |
| CN110080786A (en) * | 2019-04-04 | 2019-08-02 | 中船重型装备有限公司 | A kind of shield machine and its guard method with end face freezing system |
| CN109989764A (en) * | 2019-05-21 | 2019-07-09 | 中国铁建重工集团股份有限公司 | Normal pressure tool changing cutter head with freezing function |
| CN113464151A (en) * | 2021-07-14 | 2021-10-01 | 中铁工程装备集团有限公司 | Novel normal pressure cutter head and shield machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915711B (en) | 2020-02-21 |
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Effective date of registration: 20210929 Address after: 510228 15 tower, C tower, Paoli Plaza, 28 Chen Yue Road, Pazhou, Haizhuqu District, Guangzhou, Guangdong Patentee after: CHINA TUNNEL CONSTRUCTION GROUP Co.,Ltd. GUANGDONG Patentee after: GUANGZHOU METRO GROUP Co.,Ltd. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510228 15 tower, C tower, Paoli Plaza, 28 Chen Yue Road, Pazhou, Haizhuqu District, Guangzhou, Guangdong Patentee before: CHINA TUNNEL CONSTRUCTION GROUP Co.,Ltd. GUANGDONG Patentee before: GUANGZHOU METRO GROUP Co.,Ltd. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |