CN107893663A - A kind of replaceable doctor blade device of normal pressure - Google Patents
A kind of replaceable doctor blade device of normal pressure Download PDFInfo
- Publication number
- CN107893663A CN107893663A CN201711427373.7A CN201711427373A CN107893663A CN 107893663 A CN107893663 A CN 107893663A CN 201711427373 A CN201711427373 A CN 201711427373A CN 107893663 A CN107893663 A CN 107893663A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- replaceable
- doctor blade
- replaceable blade
- scraper
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 52
- 238000003466 welding Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000002955 isolation Methods 0.000 abstract 1
- 210000003660 reticulum Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Repair (AREA)
Abstract
The present invention proposes a kind of replaceable doctor blade device of normal pressure, to solve the problems, such as that scraper is changed inconvenient in shield-tunneling construction, including doctor blade device and two way seal valve system, doctor blade device is connected with replaceable blade cylinder, the right-hand member of replaceable blade cylinder is provided with replaceable blade cylinder bonnet, the outside of replaceable blade cylinder is provided with replaceable blade cylinder fixed seat, and the outside of replaceable blade cylinder fixed seat is provided with two way seal valve system；The present invention is moved forward and backward by oil cylinder band cutting blade, is moved after oil cylinder shrinkage band cutting blade, the high-pressure water gas that gate falls in isolation face, convenient more allowing blade replacement at ambient pressure；Replacing finishes late gate rise, the reach of oil cylinder elongated cutting blade, carries out construction operation.
Description
Technical field
The present invention relates to shield equipment manufacturing technical field, particularly relates to a kind of replaceable doctor blade device of normal pressure.
Background technology
With communications and transportation, the fast development of water conservancy, urbanization Tunnel Engineering, shield-tunneling construction is applied subterranean tunnel construction
More and more important in work, shield scraper is indispensable cutter during shield-tunneling construction, and being mainly used in shield-tunneling construction process improves dregs
Flow effect, in high hydraulic pressure environment, when blade wears, higher support pressure must be kept by changing the process of scraper, be
This tool changing personnel must endure as hyperbaric environment, and tool change time length is low with tool changing efficiency, and to the health shadow of tool changing personnel
Ring it is big, particularly in great burying, hydraulic pressure is high and long distance tunnel construction in the case of, the scraper of abrasion is carried out replacing be can not
Avoid, therefore, in constructing tunnel be badly in need of a kind of device for carrying out changing scraper in the case of normal pressure to ensure tool changing personnel's
Safety be shield equipment manufacturing field there is an urgent need to.
The content of the invention
The present invention proposes a kind of replaceable doctor blade device of normal pressure, solves scraper in shield-tunneling construction and changes inconvenient ask
Topic.
The technical proposal of the invention is realized in this way：
A kind of replaceable doctor blade device of normal pressure, including doctor blade device and two way seal valve system, doctor blade device is connected with can be more
Tool changing cylinder, the right-hand member of replaceable blade cylinder are provided with replaceable blade cylinder bonnet, and the outside of replaceable blade cylinder is provided with replaceable blade cylinder
Fixed seat and knife cylinder welding base, two way seal valve system is provided between replaceable blade cylinder fixed seat and knife cylinder welding base.
The replaceable blade cylinder is connected with doctor blade device by scraper connecting seat, and scraper alignment pin is provided with scraper connecting seat
Axle, the preposition sealing of replaceable blade cylinder is provided with the outside of replaceable blade cylinder front end.
Replaceable blade cylinder and replaceable blade the cylinder fixed seat is bolted, the right-hand member in replaceable blade cylinder fixed seat
It is provided with knife cylinder sealing ring I, the right-hand member in replaceable blade cylinder is provided with knife cylinder sealing ring II, replaceable blade cylinder and replaceable blade cylinder
Bonnet is bolted.
The two way seal valve system include upper lock gate, tail gates, first of upper seal support, first of bottom sealing socket,
Second upper seal support and second bottom sealing socket, upper lock gate guide ring and gate sealing ring are provided with second upper seal support
I, tail gates guide ring and gate sealing ring III are provided with second bottom sealing socket.
Gate sealing ring II is provided between second upper seal support and knife the cylinder welding base.
The second upper seal support and second bottom sealing socket are respectively positioned on replaceable blade cylinder fixed seat and knife cylinder welding base
Between.
A kind of replacing options of the replaceable doctor blade device of normal pressure, comprise the following steps：
1）Scraper disassembling fixture is set in the right-hand member of replaceable blade cylinder fixed seat, scraper dismounting oil cylinder is loaded into replaceable blade cylinder
Interior, scraper dismounting oil cylinder elongation drives doctor blade device to retract；
2）High pressure water washing replaceable blade cylinder, two way seal valve system closing, isolates face hyperbaric environment；
3）After closed gate, the bath ball valve set in tool changing knife cylinder is opened, pressure release is carried out extremely to tool changing knife cylinder inner high voltage cavity
After atmospheric pressure state, the replacing that doctor blade device carries out cutter is removed；
4）Installed after the completion of replacing cutter according to the reverse-order of dismounting cutter；
5）Scraper disassembling fixture and scraper dismounting oil cylinder are removed successively.
The step 2）During middle two way seal valve system closing, upper lock gate and tail gates are sealed by upper and lower gatehouse
Bar, upper and lower gatehouse sealing strip fixing bolt are fixedly connected with upper and lower gatehouse sealing ring.
The top of the second upper seal support is provided with upper lock gate regulating bolt, the bottom of the second bottom sealing socket
It is provided with tail gates regulating bolt.
The present invention is realized by the cooperation between sealed gate device, replaceable tool changing knife cylinder by multiple-sealed face
When Suporting structure tunnels at high water pressures, the replacing of scraper cutter can be carried out under atmospheric pressure environment, solve high hydraulic pressure environment
The problem of security and efficiency of lower tool changing, work comfort during normal pressure tool changing is added, the present apparatus can be widely applied to tunnel
The safety of cutter operating personnel is changed in normal pressure tool changing cutterhead under the high hydraulic pressure of road development machine, protection, reduces construction risk and difficulty.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is that tool changing knife cylinder retracts view；
Fig. 3 is gate closed state schematic diagram；
Fig. 4 is the partial enlarged drawing at upper lock gate position in Fig. 3.
In figure：1 doctor blade device, 2 replaceable blade cylinders, 3 replaceable blade cylinder bonnets, 4 scraper connecting seats, 5 scraper alignment pins,
The preposition sealing of 6 replaceable blade cylinders, 7 gate sealing ring I, 8 first of upper seal support, 9 gate sealing ring II, 10 upper lock gates, 11
Two upper seal supports, 12 upper lock gate guide rings, 13 first of bottom sealing socket, 14 gate sealing ring III, 15 tail gates, 16 second
Road bottom sealing socket, 17 tail gates guide rings, 18 replaceable blade cylinder fixed seats, 19 knife cylinder sealing ring I, 20 knife cylinder sealing ring II, 23
Tail gates regulating bolt, 24 upper lock gate regulating bolts, about 25 gatehouse sealing strips, about 26 gatehouse sealing strips fix spiral shell
Bolt, about 27 gatehouse sealing rings, 28 knife cylinder welding bases, 29 scraper disassembling fixtures, 30 scrapers dismounting oil cylinder, A place be knife beam in
It is face hyperbaric environment at portion's atmospheric pressure environment, B.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong to the scope of protection of the invention.
As shown in Fig. 1-4, the embodiments of the invention provide a kind of replaceable doctor blade device of normal pressure, including the He of doctor blade device 1
Two way seal valve system, doctor blade device 1 are connected with replaceable blade cylinder 2, and the right-hand member of replaceable blade cylinder 2 is provided with replaceable blade cylinder
Bonnet 3, the outside of replaceable blade cylinder 2 are provided with replaceable blade cylinder fixed seat 18 and knife cylinder welding base 28, and replaceable blade cylinder is fixed
Two way seal valve system is provided between seat 18 and knife cylinder welding base 28, prevents the gases at high pressure in face from entering during tool changing
In replaceable blade cylinder 2, normal operating is influenceed.
The replaceable blade cylinder 2 and doctor blade device 1 are connected by scraper connecting seat 4, and scraper positioning is provided with scraper connecting seat 4
Bearing pin 5, the preposition sealing 6 of replaceable blade cylinder is provided with the outside of the front end of replaceable blade cylinder 2, is convenient for changing doctor blade device 1.
Replaceable blade cylinder 2 and replaceable blade the cylinder fixed seat 18 is bolted, in replaceable blade cylinder fixed seat 18
Right-hand member be provided with knife cylinder sealing ring I19, the right-hand member in replaceable blade cylinder 2 is provided with knife cylinder sealing ring II20, avoids high pressure gas
The leakage of body, replaceable blade cylinder 2 and replaceable blade cylinder bonnet 3 are bolted.
The two way seal valve system includes upper lock gate 10, tail gates 15, first of upper seal support 8, first of bottom sealing socket
13rd, second upper seal support 11 and second bottom sealing socket 16, when carrying out gate sealing, brake application is promoted by gate push cylinder
Door 10 moves down to be moved up with tail gates 15, and upper lock gate 10 and the closure of tail gates 15 are sealed, and are set in second upper seal support 11
There are upper lock gate guide ring 12 and gate sealing ring I7, be provided with tail gates guide ring 17 in second bottom sealing socket 16 and gate is close
Seal III14, for the guiding in moving process and sealing, moving process is avoided skewness occur.
Gate sealing ring II9 is provided between second upper seal support 11 and knife the cylinder welding base 28.
The second upper seal support 11 and second bottom sealing socket 16 are respectively positioned on replaceable blade cylinder fixed seat 18 and knife cylinder
Between welding base 28.
A kind of replacing options of the replaceable doctor blade device of normal pressure, comprise the following steps：
1）Scraper disassembling fixture 29 is set in the right-hand member of replaceable blade cylinder fixed seat 18, scraper dismounting oil cylinder 30 loaded replaceable
In knife cylinder 2, the scraper dismounting elongation of oil cylinder 30 drives doctor blade device 1 to retract；
2）High pressure water washing replaceable blade cylinder 2, two way seal valve system closing, isolates face hyperbaric environment；
3）After closed gate, the bath ball valve set in tool changing knife cylinder is opened, pressure release is carried out extremely to the inner high voltage cavity of tool changing knife cylinder 2
After atmospheric pressure state, the replacing that doctor blade device 1 carries out cutter is removed, stretching into instrument by scraper disassembling fixture 29 during replacing carries out knife
The replacing of tool；
4）Installed after the completion of replacing cutter according to the reverse-order of dismounting cutter；
5）Scraper disassembling fixture 29 and scraper dismounting oil cylinder 30 are removed successively.
The step 2）During middle two way seal valve system closing, upper lock gate 10 and tail gates 15 are close by upper and lower gatehouse
Strip of paper used for sealing 25, upper and lower gatehouse sealing strip fixing bolt 26 are fixedly connected with upper and lower gatehouse sealing ring 27.
The top of the second upper seal support 11 is provided with upper lock gate regulating bolt 24, the second bottom sealing socket 16
Bottom be provided with tail gates regulating bolt 23.
The present invention drives doctor blade device to move forward and backward by oil cylinder, is moved after oil cylinder shrinkage band cutter, and gate, which falls, to be completely cut off
High-pressure water gas in face, it is convenient to change cutter at ambient pressure；Replacing finishes late gate and risen, before oil cylinder elongated cutter
Move, carry out construction operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of replaceable doctor blade device of normal pressure, including doctor blade device（1）With two way seal valve system, it is characterised in that：Scrape
Knife system（1）It is connected with replaceable blade cylinder（2）, replaceable blade cylinder（2）Right-hand member be provided with replaceable blade cylinder bonnet（3）, can be more
Tool changing cylinder（2）Outside be provided with replaceable blade cylinder fixed seat（18）With knife cylinder welding base（28）, replaceable blade cylinder fixed seat
（18）With knife cylinder welding base（28）Between be provided with two way seal valve system.
A kind of 2. replaceable doctor blade device of normal pressure according to claim 1, it is characterised in that：The replaceable blade cylinder（2）
And doctor blade device（1）Pass through scraper connecting seat（4）Connection, scraper connecting seat（4）Inside it is provided with scraper alignment pin（5）, can be more
Tool changing cylinder（2）The preposition sealing of replaceable blade cylinder is provided with the outside of front end（6）.
A kind of 3. replaceable doctor blade device of normal pressure according to claim 1, it is characterised in that：The replaceable blade cylinder（2）
With replaceable blade cylinder fixed seat（18）It is bolted, replaceable blade cylinder fixed seat（18）Interior right-hand member is provided with the sealing of knife cylinder
Enclose I（19）, replaceable blade cylinder（2）Interior right-hand member is provided with knife cylinder sealing ring II（20）, replaceable blade cylinder（2）With replaceable blade cylinder
Bonnet（3）It is bolted.
A kind of 4. replaceable doctor blade device of normal pressure according to claim 1, it is characterised in that：The two way seal gate dress
Put including upper lock gate（10）, tail gates（15）, first of upper seal support（8）, first of bottom sealing socket（13）, seal on second
Seat（11）With second bottom sealing socket（16）, second upper seal support（11）Inside it is provided with upper lock gate guide ring（12）It is close with gate
Seal I（7）, second bottom sealing socket（16）Inside it is provided with tail gates guide ring（17）With gate sealing ring III（14）.
A kind of 5. replaceable doctor blade device of normal pressure according to claim 4, it is characterised in that：The second upper seal support
（11）With knife cylinder welding base（28）Between be provided with gate sealing ring II（9）.
A kind of 6. replaceable doctor blade device of normal pressure according to claim 4, it is characterised in that：The second upper seal support
（11）With second bottom sealing socket（16）It is respectively positioned on replaceable blade cylinder fixed seat（18）With knife cylinder welding base（28）Between.
7. a kind of substitute mode of the replaceable doctor blade device of normal pressure, it is characterised in that comprise the following steps：
1）In replaceable blade cylinder fixed seat（18）Right-hand member set scraper disassembling fixture（29）, scraper is dismantled into oil cylinder（30）Load
Replaceable blade cylinder（2）It is interior, scraper dismounting oil cylinder（30）Elongation drives doctor blade device（1）Retract；
2）High pressure water washing replaceable blade cylinder（2）, the closing of two way seal valve system, isolate face hyperbaric environment；
3）After closed gate, the bath ball valve set in tool changing knife cylinder is opened, to tool changing knife cylinder（2）Inner high voltage cavity carries out pressure release
To atmospheric pressure state, doctor blade device is removed（1）Carry out the replacing of cutter；
4）Installed after the completion of replacing cutter according to the reverse-order of dismounting cutter；
5）Scraper disassembling fixture is removed successively（29）Oil cylinder is dismantled with scraper（30）.
A kind of 8. substitute mode of the replaceable doctor blade device of normal pressure according to claim 7, it is characterised in that：The step
2）During middle two way seal valve system closing, upper lock gate（10）And tail gates（15）Pass through upper and lower gatehouse sealing strip（25）, on
Sealing strip fixing bolt between tail gates（26）With upper and lower gatehouse sealing ring（27）It is fixedly connected.
A kind of 9. substitute mode of the replaceable doctor blade device of normal pressure according to claim 8, it is characterised in that：Described second
Road upper seal support（11）Top be provided with upper lock gate regulating bolt（24）, the second bottom sealing socket（16）Bottom set
There is tail gates regulating bolt（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427373.7A CN107893663A (en) | 2017-12-26 | 2017-12-26 | A kind of replaceable doctor blade device of normal pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711427373.7A CN107893663A (en) | 2017-12-26 | 2017-12-26 | A kind of replaceable doctor blade device of normal pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107893663A true CN107893663A (en) | 2018-04-10 |
Family
ID=61808629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711427373.7A Pending CN107893663A (en) | 2017-12-26 | 2017-12-26 | A kind of replaceable doctor blade device of normal pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107893663A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN109236306A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The Safety Redundancy mechanism and its installation method for preventing normal pressure removable cutting tool from falling off |
| CN109723451A (en) * | 2019-01-31 | 2019-05-07 | 中交天和机械设备制造有限公司 | Double-open type normal pressure tool changing device |
| CN109736820A (en) * | 2019-01-31 | 2019-05-10 | 中交天和机械设备制造有限公司 | Normal pressure tool changing device |
| CN110281203A (en) * | 2019-06-19 | 2019-09-27 | 中铁工程装备集团有限公司 | A kind of normal pressure changes alloy cutter sealing device maintenance replacement tooling and application method |
| CN110666498A (en) * | 2019-10-21 | 2020-01-10 | 中铁隧道局集团有限公司 | Method for replacing hob cutter in normal pressure state in boulder area tunneling process |
| CN113389560A (en) * | 2021-07-02 | 2021-09-14 | 中交天和机械设备制造有限公司 | Normal-pressure tool changing method and tool changing tool of shield machine |
| CN114352297A (en) * | 2021-12-31 | 2022-04-15 | 中交隧道工程局有限公司 | Method for processing sealing failure of 19-inch normal-pressure knife cylinder gate |
| CN114607401A (en) * | 2022-03-25 | 2022-06-10 | 英诺威阀业有限公司 | Double-double tool changing gate |
| CN115157167A (en) * | 2022-07-29 | 2022-10-11 | 盾构及掘进技术国家重点实验室 | Quick replacement tool for normal-pressure cutter of shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322271A (en) * | 2011-10-10 | 2012-01-18 | 沈阳重型机械集团有限责任公司 | Tool pan back-loading type device for changing tool of slurry-balanced shield machine under normal pressure |
| CN103726855A (en) * | 2014-01-21 | 2014-04-16 | 中铁隧道集团有限公司 | Normal-pressure hobbing cutter changing device |
| CN104526297A (en) * | 2014-12-05 | 2015-04-22 | 徐工集团凯宫重工南京有限公司 | Auxiliary cutter replacing device for shield tunneling machine cutter in tunnel |
| CN105736005A (en) * | 2016-04-19 | 2016-07-06 | 中铁工程装备集团有限公司 | Detachable normal-pressure tool change device |
| CN106499401A (en) * | 2016-12-19 | 2017-03-15 | 中交隧道工程局有限公司 | A kind of super-large-diameter shield machine normal pressure tool changing device and method |
| CN207761654U (en) * | 2017-12-26 | 2018-08-24 | 中铁工程装备集团有限公司 | A kind of replaceable scraper device of normal pressure |
-
2017
- 2017-12-26 CN CN201711427373.7A patent/CN107893663A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322271A (en) * | 2011-10-10 | 2012-01-18 | 沈阳重型机械集团有限责任公司 | Tool pan back-loading type device for changing tool of slurry-balanced shield machine under normal pressure |
| CN103726855A (en) * | 2014-01-21 | 2014-04-16 | 中铁隧道集团有限公司 | Normal-pressure hobbing cutter changing device |
| CN104526297A (en) * | 2014-12-05 | 2015-04-22 | 徐工集团凯宫重工南京有限公司 | Auxiliary cutter replacing device for shield tunneling machine cutter in tunnel |
| CN105736005A (en) * | 2016-04-19 | 2016-07-06 | 中铁工程装备集团有限公司 | Detachable normal-pressure tool change device |
| CN106499401A (en) * | 2016-12-19 | 2017-03-15 | 中交隧道工程局有限公司 | A kind of super-large-diameter shield machine normal pressure tool changing device and method |
| CN207761654U (en) * | 2017-12-26 | 2018-08-24 | 中铁工程装备集团有限公司 | A kind of replaceable scraper device of normal pressure |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188527A1 (en) * | 2017-04-10 | 2018-10-18 | 中铁十四局集团有限公司 | Process method for exchanging hob and toothed cutter at atmospheric pressure for use in composite stratum shield |
| CN109236306A (en) * | 2018-10-18 | 2019-01-18 | 上海隧道工程有限公司 | The Safety Redundancy mechanism and its installation method for preventing normal pressure removable cutting tool from falling off |
| CN109723451B (en) * | 2019-01-31 | 2023-09-08 | 中交天和机械设备制造有限公司 | Double open type normal pressure tool changing device |
| CN109723451A (en) * | 2019-01-31 | 2019-05-07 | 中交天和机械设备制造有限公司 | Double-open type normal pressure tool changing device |
| CN109736820A (en) * | 2019-01-31 | 2019-05-10 | 中交天和机械设备制造有限公司 | Normal pressure tool changing device |
| CN110281203A (en) * | 2019-06-19 | 2019-09-27 | 中铁工程装备集团有限公司 | A kind of normal pressure changes alloy cutter sealing device maintenance replacement tooling and application method |
| CN110281203B (en) * | 2019-06-19 | 2023-11-14 | 中铁工程装备集团有限公司 | Maintenance and replacement tool for normal-pressure alloy-replacement tool sealing device and use method |
| CN110666498A (en) * | 2019-10-21 | 2020-01-10 | 中铁隧道局集团有限公司 | Method for replacing hob cutter in normal pressure state in boulder area tunneling process |
| CN113389560A (en) * | 2021-07-02 | 2021-09-14 | 中交天和机械设备制造有限公司 | Normal-pressure tool changing method and tool changing tool of shield machine |
| WO2023273974A1 (en) * | 2021-07-02 | 2023-01-05 | 中交天和机械设备制造有限公司 | Normal pressure cutter replacement method and cutter replacement tool for tunnel boring machine |
| CN114352297A (en) * | 2021-12-31 | 2022-04-15 | 中交隧道工程局有限公司 | Method for processing sealing failure of 19-inch normal-pressure knife cylinder gate |
| CN114352297B (en) * | 2021-12-31 | 2024-04-05 | 中交隧道工程局有限公司 | 19 inch Chang Yadao cylinder gate seal failure processing method |
| CN114607401B (en) * | 2022-03-25 | 2022-11-29 | 英诺威阀业有限公司 | Double-double tool changing gate |
| CN114607401A (en) * | 2022-03-25 | 2022-06-10 | 英诺威阀业有限公司 | Double-double tool changing gate |
| CN115157167A (en) * | 2022-07-29 | 2022-10-11 | 盾构及掘进技术国家重点实验室 | Quick replacement tool for normal-pressure cutter of shield machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893663A (en) | A kind of replaceable doctor blade device of normal pressure | |
| CN105736005B (en) | A kind of detachable normal pressure tool changing device | |
| CN205654352U (en) | Can dismantle ordinary pressure toolchanger | |
| CN107939409B (en) | Normal-pressure back-mounted copying tool replacing device | |
| CN107139128B (en) | Method for replacing tool by adopting normal pressure tool changing device of shield machine to seal and replace tool | |
| CN207761654U (en) | A kind of replaceable scraper device of normal pressure | |
| CN103726855A (en) | Normal-pressure hobbing cutter changing device | |
| CN201170080Y (en) | Shearing shutter of blowout preventer | |
| CN108825258B (en) | Heading machine and super-digging cutter thereof | |
| CN108843336B (en) | Heading machine, heading machine cutterhead and cutter changing method | |
| CN107218050A (en) | A kind of anti-card machine list shield TBM main machine structures and its anti-card machine method | |
| CN110259462A (en) | A kind of restorative procedure for the deformation of underground shield machine hinge point | |
| CN113048322A (en) | Trenchless pipeline repairing device and pipeline repairing method thereof | |
| CN109779646B (en) | Analog tool changing device | |
| CN109736821B (en) | Small-diameter normal-pressure tool changing cutter disc | |
| CN206601226U (en) | A kind of clip sealing structure and deep water test hyperbaric chamber | |
| CN207004526U (en) | Anti- card machine list shield TBM main machine structures | |
| CN109114232B (en) | Bidirectional isolating valve | |
| CN108798691B (en) | TBM shield body anti-blocking device | |
| CN108951565A (en) | Combined type headstock gear for control valve | |
| CN210589082U (en) | Maintenance and replacement tool for sealing device of normal-pressure alloy-changing cutter | |
| CN102444390A (en) | Emergency rescuing device for incontrollable blowout | |
| CN109356594A (en) | A kind of external mud door sealing system for slurry balance shield machine | |
| CN213169969U (en) | Screw conveyor and tunneling equipment comprising same | |
| CN108679043B (en) | Crusher oil cylinder and sealing monitoring system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |