CN105108468A - Method for detaching shield tunneling machine thrust oil cylinder in tunnel and detachment device - Google Patents
Method for detaching shield tunneling machine thrust oil cylinder in tunnel and detachment device Download PDFInfo
- Publication number
- CN105108468A CN105108468A CN201510534002.3A CN201510534002A CN105108468A CN 105108468 A CN105108468 A CN 105108468A CN 201510534002 A CN201510534002 A CN 201510534002A CN 105108468 A CN105108468 A CN 105108468A
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- Prior art keywords
- side plate
- propelling cylinder
- duct piece
- cylinder
- oil cylinder
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- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000005641 tunneling Effects 0.000 title abstract 2
- 230000008569 process Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a method for detaching a shield tunneling machine thrust oil cylinder in a tunnel and a detachment device. The detachment device comprises a segment erector and a detachment device body. The detachment device body comprises a first side plate, a second side plate, a connection rod, a segment erector connection element and a thrust oil cylinder limiting element, wherein the first side plate comprises a large end and a small end; a first side plate connection hole is formed in the edge close to the edge of the first side plate; a connection element installation hole is formed in the middle of the large end of the first side plate; U-shaped clamp installation holes in pairs are formed in the middle of the first side plate in the length direction at intervals; the first side plate and the second side plate are connected into a whole through the connection rod; one end of the segment erector connection element is fixed into the connection element installation hole of the first side plate, and the other end of the segment erector connection element is connected with a segment clamping device of the segment erector; the thrust oil cylinder limiting element is used for limit the thrust oil cylinder in the limiting element in the detachment process. By means of the method and the detachment device, the thrust oil cylinder is smoothly detached in narrow tunnel space.
Description
Technical field
The invention belongs to Shield Construction Technique field, particularly relate to a kind of in tunnel, remove shield machine thrust oil cylinder method and dismounting equipment.
Background technology
In recent years, shield-tunneling construction affects the features such as little, driving speed is fast, ground settlement is little with it to ground and underground environment, is widely used in subterranean tunnel construction.Propelling cylinder is the key components of shield machine, the propelling of whole shield structure, pose adjustment, section of jurisdiction installation are all realize by propelling cylinder or under the cooperation of propelling cylinder, propelling cylinder is once damage, extreme influence will be caused to equipment performance, construction period, and need to carry out dismounting in time and change.
Single propelling cylinder weight is little, but propelling cylinder length is longer, stretch into propelling cylinder holding card bearing distance for 2000mm, propelling cylinder need be extracted during dismounting, move horizontally apart from minimum as 2000mm, when removing middle and upper part propelling cylinder, also need fixing for propelling cylinder rear vertical handling to bottom simultaneously.Because middle and upper part propelling cylinder presses close to shield shell, periphery working space is narrow and small, shield shell welds hanger and can not meet propelling cylinder dismounting job space.
Duct piece assembling machine is shield machine important component part, and after driving completes, duct piece assembling machine is responsible for ready made section of jurisdiction to be installed to the tunnel surface of just excavation, forms lining cutting, carrys out with this tunnel surface that supporting just excavated.The form of duct piece assembling machine has ring type, cartridge type, rack-gear type.Ring type duct piece assembling machine is by rotary system, elevator system, translation system and section of jurisdiction gripping System's composition.
Summary of the invention
The object of this invention is to provide a kind of in tunnel, remove shield machine thrust oil cylinder method for dismounting and equipment, to solve the technical problem being difficult to remove propelling cylinder in tunnel.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of dismounting equipment removing shield machine thrust oil cylinder in tunnel, described dismounting equipment comprises duct piece assembling machine and dismounting equipment, and described dismounting equipment connection is at the section of jurisdiction clamp device of described duct piece assembling machine; Dismounting equipment comprises:
First side plate, described first side plate comprises a stub end and a little head end; Edge near the first side plate is provided with the first side plate connecting hole; The middle part of the first side plate stub end is provided with connector installing hole; The middle part of the first side plate length direction is interval with paired U-shaped card installing hole;
Second side plate, described second side plate comprises a stub end and a little head end; Edge near the second side plate is provided with the second side plate connecting hole; The middle part of the second side plate stub end is provided with connector installing hole; The middle part of the second side plate length direction is interval with paired U-shaped card installing hole;
Connecting rod, described connecting rod is through the first side plate connecting hole and the second side plate connecting hole, and the first side plate and the second side plate connect as one by joint bolt;
Duct piece assembling machine connector, one end of described duct piece assembling machine connector is fixed on the connector installing hole of the first side plate; The other end is connected with the section of jurisdiction clamp device of duct piece assembling machine;
Propelling cylinder locating part, described propelling cylinder locating part is fixed on the middle part of the little head end of the second side plate, for being limited in locating part the position of propelling cylinder in demolishing process.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described propelling cylinder locating part is concave shape, and the propelling cylinder locating part of concave shape is fixed on the middle part of the little head end of the second side plate in an inverted manner.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described propelling cylinder locating part comprises the first pillar, the second pillar and connecting plate; One end of first pillar is fixed on the little head end of the second side plate, and one end of the second pillar is fixed on the little head end of the second side plate, and connecting plate is connected to the other end of the first pillar and the other end of the second pillar.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described connecting plate is the steel plate that 8 ~ 20mm is thick.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described propelling cylinder locating part also comprises rotating cylinder, and described rotating cylinder is arranged on the first pillar and the second pillar.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described first side plate and the second side plate are the steel plate that 20 ~ 50mm is thick.
The present invention removes the dismounting equipment of shield machine thrust oil cylinder as above in tunnel, and further, described duct piece assembling machine is ring type duct piece assembling machine, cartridge type duct piece assembling machine or rack-gear type duct piece assembling machine.
In tunnel, remove the method for shield machine thrust oil cylinder, the method utilizes the dismounting equipment removing shield machine thrust oil cylinder described in above-mentioned any one in tunnel to complete, and comprises the following steps:
First will remove the section of jurisdiction clamp device of equipment connection at described duct piece assembling machine, utilize duct piece assembling machine to remove equipment moving to the position near propelling cylinder to be removed; Utilize pulling device to be pulled out gradually by propelling cylinder, make the bared end of propelling cylinder enter propelling cylinder locating part, propelling cylinder is placed on dismounting equipment by further tractive propelling cylinder, with U-shaped card, propelling cylinder is fixed on dismounting equipment; Duct piece assembling machine moves horizontally and drives dismounting equipment and propelling cylinder to move horizontally, and propelling cylinder is all pulled out propelling cylinder holding card bearing.
The present invention removes the method for shield machine thrust oil cylinder as above in tunnel, preferably, when removing the propelling cylinder on middle part or top, also needs to utilize duct piece assembling machine to drive dismounting equipment vertically to move, by vertical for propelling cylinder handling to bottom.
The invention has the beneficial effects as follows: realize removing propelling cylinder at narrow and small tunnel space.Remove the section of jurisdiction clamp device of equipment connection at described duct piece assembling machine, utilize duct piece assembling machine to remove equipment moving to the position near propelling cylinder to be removed.Utilize pulling device to be pulled out gradually by propelling cylinder, make the bared end of propelling cylinder enter propelling cylinder locating part, propelling cylinder is placed on dismounting equipment by further tractive propelling cylinder, with U-shaped card, propelling cylinder is fixed on dismounting equipment.Duct piece assembling machine moves horizontally and drives dismounting equipment and propelling cylinder to move horizontally, and propelling cylinder is all pulled out propelling cylinder holding card bearing.When removing the propelling cylinder on middle part or top, also need to utilize duct piece assembling machine to drive dismounting equipment vertically to move, by vertical for propelling cylinder handling to bottom.
Dismounting equipment and the application thereof of removing shield machine thrust oil cylinder in tunnel of the present invention achieve the technical problem of removing propelling cylinder in tunnel.
Accompanying drawing explanation
By detailed description done in conjunction with the following drawings, above-mentioned and/or other aspects of the present invention and advantage will become clearer and be easier to understand, and these accompanying drawings just schematically, do not limit the present invention, wherein:
Fig. 1 is the first side plate schematic diagram of an embodiment of the present invention;
Fig. 2 is the overall schematic of removing the dismounting equipment of shield machine thrust oil cylinder in tunnel of an embodiment of the present invention;
Fig. 3 is the second side plate schematic diagram of an embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, the first side plate, the 11, first side plate connecting hole, 12, U-shaped card installing hole, 13, connector installing hole, 2, the second side plate, the 21, second side plate connecting hole, 22, U-shaped card installing hole, 23, connector installing hole, 3, duct piece assembling machine connector, 4, connecting rod, 5, pillar, 6, connecting plate, 7, rotating cylinder.
Detailed description of the invention
Hereinafter, describe with reference to the accompanying drawings of the present invention in tunnel, remove shield machine thrust oil cylinder method and the embodiment of the equipment of dismounting.
The embodiment recorded at this is specific detailed description of the invention of the present invention, for illustration of design of the present invention, is all explanatory and exemplary, should not be construed as the restriction to embodiment of the present invention and the scope of the invention.Except the embodiment recorded at this, those skilled in the art can also adopt other technical scheme apparent based on the content disclosed in the application's claims and description, and these technical schemes comprise the technical scheme making any apparent substitutions and modifications adopted the embodiment recorded at this.
The accompanying drawing of this description is schematic diagram, and aid illustration design of the present invention schematically shows shape and the correlation thereof of each several part.Note that the structure of each parts for the ease of clearly showing the embodiment of the present invention, not according to identical scale between each accompanying drawing.Identical reference marker is for representing identical part.
When removing propelling cylinder, because single propelling cylinder weight is little, but propelling cylinder length is longer, stretch into propelling cylinder holding card bearing distance for 2000mm, propelling cylinder need be extracted during dismounting, move horizontally apart from minimum for 2000mm, when removing middle and upper part propelling cylinder simultaneously, also need propelling cylinder is fixing after vertical handling to bottom.Because middle and upper part propelling cylinder presses close to shield shell, periphery working space is narrow and small, shield shell welds hanger and can not meet propelling cylinder dismounting job space.Therefore remove equipment and must possess following functions: 1, can carry out long distance and move horizontally, horizontal travel length is minimum is 2000mm.2, have certain Lifting Capacity, lifting weight is satisfied is not less than 1.5t.3, propelling cylinder lifting operation can be carried out in shield machine narrow space.4, can the propelling cylinder extracted be fixed.
Fig. 2 illustrates the dismounting equipment removing shield machine thrust oil cylinder in tunnel of an embodiment of the present invention, and described dismounting equipment comprises duct piece assembling machine and dismounting equipment, and described dismounting equipment connection is at the section of jurisdiction clamp device of described duct piece assembling machine; Dismounting equipment comprises:
First side plate 1, as shown in Figure 1, described first side plate comprises a stub end and a little head end; Edge near the first side plate is provided with the first side plate connecting hole 11; The middle part of the first side plate stub end is provided with connector installing hole 13; The middle part of the first side plate length direction is interval with paired U-shaped card installing hole 12;
Second side plate 2, as shown in Figure 3, described second side plate comprises a stub end and a little head end; Edge near the second side plate is provided with the second side plate connecting hole 21; The middle part of the second side plate stub end is provided with connector installing hole 23; The middle part of the second side plate length direction is interval with paired U-shaped card installing hole 22; In a kind of specific implementation process, described first side plate and the second side plate are the steel plate that 20 ~ 50mm is thick.
Connecting rod 4, described connecting rod is through the first side plate connecting hole and the second side plate connecting hole, and the first side plate and the second side plate connect as one by joint bolt;
Duct piece assembling machine connector 3, one end of described duct piece assembling machine connector is fixed on the connector installing hole of the first side plate; The other end is connected with the section of jurisdiction clamp device of duct piece assembling machine;
Propelling cylinder locating part, described propelling cylinder locating part is fixed on the middle part of the little head end of the second side plate, for being limited in locating part the position of propelling cylinder in demolishing process.
The use procedure of removing the dismounting equipment of shield machine thrust oil cylinder in tunnel of the above embodiment of the present invention is as follows: first will remove the section of jurisdiction clamp device of equipment connection at described duct piece assembling machine, utilizes duct piece assembling machine to remove equipment moving to the position near propelling cylinder to be removed.Utilize pulling device to be pulled out gradually by propelling cylinder, make the bared end of propelling cylinder enter propelling cylinder locating part, propelling cylinder is placed on dismounting equipment by further tractive propelling cylinder, with U-shaped card, propelling cylinder is fixed on dismounting equipment.Duct piece assembling machine moves horizontally and drives dismounting equipment and propelling cylinder to move horizontally, and propelling cylinder is all pulled out propelling cylinder holding card bearing.When removing the propelling cylinder on middle part or top, also need to utilize duct piece assembling machine to drive dismounting equipment vertically to move, by vertical for propelling cylinder handling to bottom.
State embodiment on the invention to remove in the specific implementation process of equipment, described propelling cylinder locating part is concave shape, and the propelling cylinder locating part of concave shape is fixed on the middle part of the little head end of the second side plate in an inverted manner.
State embodiment on the invention to remove in the specific implementation process of equipment, described propelling cylinder locating part comprises the first adjacent pillar of pillar 5(and the second pillar) and connecting plate 6; One end of first pillar is fixed on the little head end of the second side plate, and one end of the second pillar is fixed on the little head end of the second side plate, and connecting plate is connected to the other end of the first pillar and the other end of the second pillar.State embodiment on the invention to remove in the specific implementation process of equipment, described connecting plate is the steel plate that 8 ~ 20mm is thick.
Stating embodiment on the invention removes in the specific implementation process of equipment, utilizing pulling device, propelling cylinder is pulled out gradually, the bared end of propelling cylinder is made to enter propelling cylinder locating part, when propelling cylinder is placed on dismounting equipment by further tractive propelling cylinder, in order to make the friction between propelling cylinder and pillar reduce, reducing tractive difficulty, above-described embodiment is improved further, described propelling cylinder locating part also comprises rotating cylinder 7, and described rotating cylinder is arranged on the first pillar and the second pillar.
State embodiment on the invention to remove in the specific implementation process of equipment, described duct piece assembling machine is ring type duct piece assembling machine, cartridge type duct piece assembling machine or rack-gear type duct piece assembling machine.
Each technical characteristic of above-mentioned disclosure is not limited to that disclosed with combination that is further feature, other combination that those skilled in the art also can carry out between each technical characteristic according to the object of invention, is as the criterion with the object realizing the present invention.
Claims (9)
1. in tunnel, remove a dismounting equipment for shield machine thrust oil cylinder, described dismounting equipment comprises duct piece assembling machine and dismounting equipment, and described dismounting equipment connection is at the section of jurisdiction clamp device of described duct piece assembling machine; It is characterized in that, dismounting equipment comprises:
First side plate, described first side plate comprises a stub end and a little head end; Edge near the first side plate is provided with the first side plate connecting hole; The middle part of the first side plate stub end is provided with connector installing hole; The middle part of the first side plate length direction is interval with paired U-shaped card installing hole;
Second side plate, described second side plate comprises a stub end and a little head end; Edge near the second side plate is provided with the second side plate connecting hole; The middle part of the second side plate stub end is provided with connector installing hole; The middle part of the second side plate length direction is interval with paired U-shaped card installing hole;
Connecting rod, described connecting rod is through the first side plate connecting hole and the second side plate connecting hole, and the first side plate and the second side plate connect as one by joint bolt;
Duct piece assembling machine connector, one end of described duct piece assembling machine connector is fixed on the connector installing hole of the first side plate; The other end is connected with the section of jurisdiction clamp device of duct piece assembling machine;
Propelling cylinder locating part, described propelling cylinder locating part is fixed on the middle part of the little head end of the second side plate, for being limited in locating part the position of propelling cylinder in demolishing process.
2. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 1, is characterized in that, described propelling cylinder locating part is concave shape, and the propelling cylinder locating part of concave shape is fixed on the middle part of the little head end of the second side plate in an inverted manner.
3. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 1, is characterized in that, described propelling cylinder locating part comprises the first pillar, the second pillar and connecting plate; One end of first pillar is fixed on the little head end of the second side plate, and one end of the second pillar is fixed on the little head end of the second side plate, and connecting plate is connected to the other end of the first pillar and the other end of the second pillar.
4. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 3, is characterized in that, described connecting plate is the steel plate that 8 ~ 20mm is thick.
5. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 3 or 4, it is characterized in that, described propelling cylinder locating part also comprises rotating cylinder, described rotating cylinder is arranged on the first pillar and the second pillar.
6. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 1, is characterized in that, described first side plate and the second side plate are the steel plate that 20 ~ 50mm is thick.
7. the dismounting equipment removing shield machine thrust oil cylinder in tunnel according to claim 1, is characterized in that, described duct piece assembling machine is ring type duct piece assembling machine, cartridge type duct piece assembling machine or rack-gear type duct piece assembling machine.
8. in tunnel, remove the method for shield machine thrust oil cylinder, the method utilizes the dismounting equipment removing shield machine thrust oil cylinder described in any one of claim 1-7 in tunnel to complete, and comprises the following steps:
First will remove the section of jurisdiction clamp device of equipment connection at described duct piece assembling machine, utilize duct piece assembling machine to remove equipment moving to the position near propelling cylinder to be removed; Utilize pulling device to be pulled out gradually by propelling cylinder, make the bared end of propelling cylinder enter propelling cylinder locating part, propelling cylinder is placed on dismounting equipment by further tractive propelling cylinder, with U-shaped card, propelling cylinder is fixed on dismounting equipment; Duct piece assembling machine moves horizontally and drives dismounting equipment and propelling cylinder to move horizontally, and propelling cylinder is all pulled out propelling cylinder holding card bearing.
9. method of removing shield machine thrust oil cylinder in tunnel according to claim 8, it is characterized in that, when removing the propelling cylinder on middle part or top, also need to utilize duct piece assembling machine to drive dismounting equipment vertically to move, by vertical for propelling cylinder handling to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534002.3A CN105108468B (en) | 2015-08-27 | 2015-08-27 | Method for detaching shield tunneling machine thrust oil cylinder in tunnel and detachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510534002.3A CN105108468B (en) | 2015-08-27 | 2015-08-27 | Method for detaching shield tunneling machine thrust oil cylinder in tunnel and detachment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105108468A true CN105108468A (en) | 2015-12-02 |
| CN105108468B CN105108468B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510534002.3A Active CN105108468B (en) | 2015-08-27 | 2015-08-27 | Method for detaching shield tunneling machine thrust oil cylinder in tunnel and detachment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105108468B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666079A (en) * | 2016-03-10 | 2016-06-15 | 中铁工程装备集团有限公司 | In-hole disassembly/assembly device and method of spiral conveyor of shield tunneling machine |
| CN111775100A (en) * | 2020-07-08 | 2020-10-16 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for hinged oil cylinder of shield tunneling machine |
| CN111775099A (en) * | 2020-07-08 | 2020-10-16 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for thrust cylinder of shield tunneling machine |
| CN111878097A (en) * | 2020-06-19 | 2020-11-03 | 中铁十二局集团有限公司 | Construction method for dismantling shield tunneling machine propelling jack by using chain block in hole |
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| JPH09217597A (en) * | 1996-02-13 | 1997-08-19 | Shimizu Corp | Nut feeder |
| CN102242633A (en) * | 2011-07-23 | 2011-11-16 | 中铁十二局集团有限公司 | Method for replacing tail brush in extra large diameter shield driving under high water pressure condition |
| CN204552822U (en) * | 2015-04-23 | 2015-08-12 | 北京建工土木工程有限公司 | Suspension outside shield machine separate launching extension pipe threaded list road |
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2015
- 2015-08-27 CN CN201510534002.3A patent/CN105108468B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09217597A (en) * | 1996-02-13 | 1997-08-19 | Shimizu Corp | Nut feeder |
| CN102242633A (en) * | 2011-07-23 | 2011-11-16 | 中铁十二局集团有限公司 | Method for replacing tail brush in extra large diameter shield driving under high water pressure condition |
| CN204552822U (en) * | 2015-04-23 | 2015-08-12 | 北京建工土木工程有限公司 | Suspension outside shield machine separate launching extension pipe threaded list road |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666079A (en) * | 2016-03-10 | 2016-06-15 | 中铁工程装备集团有限公司 | In-hole disassembly/assembly device and method of spiral conveyor of shield tunneling machine |
| CN111878097A (en) * | 2020-06-19 | 2020-11-03 | 中铁十二局集团有限公司 | Construction method for dismantling shield tunneling machine propelling jack by using chain block in hole |
| CN111878097B (en) * | 2020-06-19 | 2022-07-01 | 中铁十二局集团有限公司 | Construction method for dismantling shield tunneling machine propelling jack by using chain block in hole |
| CN111775100A (en) * | 2020-07-08 | 2020-10-16 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for hinged oil cylinder of shield tunneling machine |
| CN111775099A (en) * | 2020-07-08 | 2020-10-16 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for thrust cylinder of shield tunneling machine |
| CN111775100B (en) * | 2020-07-08 | 2021-12-10 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for hinged oil cylinder of shield tunneling machine |
| CN111775099B (en) * | 2020-07-08 | 2022-02-08 | 中国水利水电第四工程局有限公司 | In-tunnel dismantling method for thrust cylinder of shield tunneling machine |
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| Publication number | Publication date |
|---|---|
| CN105108468B (en) | 2017-04-12 |
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