CN106948841A - High ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method - Google Patents
High ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method Download PDFInfo
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- CN106948841A CN106948841A CN201710391068.0A CN201710391068A CN106948841A CN 106948841 A CN106948841 A CN 106948841A CN 201710391068 A CN201710391068 A CN 201710391068A CN 106948841 A CN106948841 A CN 106948841A
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- conduit
- top board
- high ferro
- channel flow
- buried channel
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- 238000009434 installation Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000009415 formwork Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003100 immobilizing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a kind of high ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method.The high ferro tunnel pre-buried channel flow installation mold automatic lifting system includes：Conduit supporting part, the conduit supporting part includes top board and the circumferentially disposed end plate around the top board, and the top board is curved, and the end plate opposed vertical direction is obliquely set；Lowering or hoisting gear, is arranged on the lower section of the conduit supporting part, and the upper end of the lowering or hoisting gear is connected with the conduit supporting part.The present invention can improve the installation accuracy of conduit, and install convenient, rapidly and efficiently, it is simple to operate safely, be not limited by a space, procedure connection is compact etc..
Description
Technical field
The present invention relates to high ferro technical field of tunnel construction, more particularly to a kind of high ferro tunnel pre-buried channel flow installation mold is certainly
Dynamic jacking system and installation method.
Background technology
In recent years, the ripe immobilizing foundation applied to Railway Tunnel contact net is filled extensively for the installation of tunnel pre-buried channel flow
In putting, reliable guarantee is provided for the installation of Railway Tunnel contact net, is also the important safety of high speed rail train operation
Ensure, but be due to current conduit mounting process it is still immature, and there is many drawbacks：1. two conduits are not parallel；2. edge
Tunnel lateral direction is buried partially；3. pre-buried depth is undesirable；4. during two lining concreting, conduit is squeezed inclined by concrete lateral pressure, even
Conduit " missing "；5. conduit installation accuracy requires high, and common laborer is difficult to accomplish high accuracy install, it is necessary to which professional is carried out；
6. chassis headroom is narrow and small, and workman operates on cambered surface workbench, installs inconvenience, and be unfavorable for safety；7. lining cutting is worked as
When concrete has reinforced bar engineering, operating space is even more narrow and small, is forced to change working procedure and influence construction speed；8. conduit is pacified
During dress, conduit group, the group inconvenience of lifting conduit are first processed on ground, and lifting process is easily reduced conduit installation accuracy etc..These
Drawback often leads to conduit and discarded, and causes the waste of resource.
The content of the invention
It is an object of the invention to provide a kind of high ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method,
It is low with the installation accuracy for solving conduit in the prior art, and install inconvenience, low efficiency, complex operation, it is dangerous, limited by space
System, the problem of procedure connection is not compact.
In order to solve the above technical problems, the invention provides a kind of high ferro tunnel pre-buried channel flow installation mold automatic lifting system
System, including：Conduit supporting part, the conduit supporting part includes top board and the circumferentially disposed end plate around the top board, institute
State top board curved, the end plate opposed vertical direction is obliquely set；Lowering or hoisting gear, is arranged on the conduit supporting part
Lower section, and the upper end of the lowering or hoisting gear is connected with the conduit supporting part.
Preferably, the top board surrounds an installing space that Open Side Down, the installing space with the end plate
Section from top to bottom gradually increase.
Preferably, it is provided with brace rod in the installing space.
Preferably, the brace rod includes multiple the first brace rods be arrangeding in parallel and multiple the second supports be arrangeding in parallel
Muscle, first brace rod and the mutually perpendicularly crossed setting of second brace rod are to form network-like supporting construction.
Preferably, the upper surface of the top board is provided with the spacing mark for positioning conduit to be supported.
Preferably, the connecting bolt for being connected at the opening with trolley formwork is formed with the end plate.
Preferably, the lowering or hoisting gear is four, and lowering or hoisting gear described in two of which is axially arranged along the top board, separately
Outer two lowering or hoisting gears are along the circumferentially disposed of the top board.
Preferably, the lowering or hoisting gear is oil cylinder.
Present invention also offers a kind of high ferro tunnel pre-buried channel flow installation method, including：Step 1, measured in arch crown part
Go out tunnel center line and lateral reference line, the installation site of Primary Location conduit；Step 2, assembling reinforcement, and make reinforced mesh and groove
Road anchor pin is mutually avoided；Step 3, lining trolley is positioned；Step 4, conduit is positioned by T-bolt, and by two conduits with short
Reinforcement welding is overall conduit group；Step 5, above-mentioned high ferro tunnel pre-buried channel flow installation mold automatic lifting system is moved to
At the opening of lining trolley, and by the upward jacking of its top board, then it will pass through at the edge of opening of its end plate and lining trolley
Bolt connection；Step 6, to space the casting concrete more than top board；Step 7, treat that lining concrete intensity meets form removal
It is required that when, unclamp and take out T-bolt, and the connection between the bolt of end plate and the edge of opening of lining trolley is kept, then
Connection iron pin between lowering or hoisting gear and conduit supporting part, which is taken out, makes it with conduit support section from then withdrawing lining trolley
Template is stripped；Step 8, lining trolley moves forward and pours next lining cutting section, then puts on the connection iron pin, takes out end plate
Bolt, withdraws lowering or hoisting gear, conduit supporting part is separated with chassis；Step 9, the direct all conduits of circulation step 1-8 are installed
Finish.
Preferably, the fixed square hole of a positioning is respectively opened at the two ends and middle part of the conduit, and the length of the fixed square hole of positioning is not
Less than 3 times of lining cutting ring bar diameter, width meets the installation of T-bolt, the length direction and circuit of the fixed square hole of positioning
It is parallel longitudinal.
The present invention can improve the installation accuracy of conduit, and install convenient, rapidly and efficiently, safety simple to operate, not by sky
Between limitation, procedure connection it is compact etc..
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
The present invention is further detailed explanation below.
Brief description of the drawings
The Figure of description for constituting the part of the present invention is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the tunnel-liner standard section in the present invention；
Fig. 2 is the schematic diagram of the conduit mould cross-sectional view in the present invention；
Fig. 3 is the top view at the top of the lining trolley in the present invention；
Fig. 4 is Fig. 3 A-A sectional views；
Fig. 5 is Fig. 3 B-B sectional views；
Fig. 6 is the scheme of installation of the conduit in the present invention；
Fig. 7 is that close-up schematic view is installed in conduit mould cross section；
Fig. 8 is the flow chart of conduit installation method.
Reference in figure：
1st, top board；2nd, end plate；3rd, lowering or hoisting gear；4th, the first brace rod；5th, the second brace rod；6th, conduit；7th, chassis mould
Plate；8th, connecting bolt；9th, rail level；10th, truss；11st, conduit supporting part；12nd, bolt mounting holes；13rd, steel pipe；14th, backing plate.
Embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.The present invention is described in detail with reference to embodiment.
In order that those skilled in the art more fully understand the present invention program, below by the skill in the embodiment of the present invention
Art scheme is clearly and completely described, it is clear that described embodiment is only the embodiment of a part of the invention, without
It is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, should all belong to the scope of protection of the invention.
Pre-buried channel flow is Railway Tunnel electrified contacting netses immobilizing foundation device, and its installation accuracy directly affects height
The safe operation of fast railroad train, therefore, the invention provides a kind of high ferro tunnel pre-buried channel flow installation mold automatic lifting system
System, including：Conduit supporting part 11 and lowering or hoisting gear 3.As shown in figure 1, tunnel has rail level 9.
Wherein, the conduit supporting part includes top board 1 and the circumferentially disposed end plate 2 around the top board, the top
Plate 1 is curved, and the opposed vertical direction of end plate 2 is obliquely set.Preferably, top board 1 has and lining trolley template arc
The consistent radian of radius surface.For example, the thickness of end plate 2 is 16mm.
Lowering or hoisting gear 3, is arranged on the lower section of the conduit supporting part, and the upper end of the lowering or hoisting gear 3 and the conduit
Supporting part is connected.Preferably, the lowering or hoisting gear 3 is oil cylinder, naturally it is also possible to be other conventional elevating mechanisms, so as to adjust
The predetermined height of conduit supporting part arrival carries out the operation such as demoulding, plays a supporting role simultaneously.
In use, in the top drilling of existing lining trolley, and a set of above-mentioned height is installed immediately below osseotomy site
Iron tunnel pre-buried channel flow installation mold automatic lifting system.Then, conduit 6 is placed on top board 1, then utilizes lowering or hoisting gear
3, by the upward jack-up of top board 1, so that conduit 6 is pushed up to predetermined height and position, then pour into a mould concrete again.
Due to conduit is first arranged on top board 1, thus can ensure between conduit it is parallel, prevent along tunnel lateral direction bury partially,
Conduit is squeezed inclined even conduit " missing " by concrete lateral pressure during two lining concreting, in addition, can also be controlled by lowering or hoisting gear 3 pre-
Buried depth degree reaches pre-provisioning request, therefore does not need the patent personnel can to carry out high accuracy install.
Fig. 6 and Fig. 7 are refer to, during construction, high ferro tunnel pre-buried channel flow installation mold automatic lifting system country fair purlin can be put
On frame 10, therefore workman is operated in the underlying space of top board, overcomes (1) chassis headroom in the prior art narrow
It is small, and workman operates on cambered surface workbench, installs inconvenience and is unfavorable for safety；(2) when lining concrete has bar bender
Cheng Shi, operating space is even more narrow and small, is forced to change working procedure and influence construction speed；(3) conduit group first is processed on ground, risen
The inconvenience of conduit group is hung, and lifting process is the problems such as be easily reduced conduit installation accuracy
Thus can hilllock, by above-mentioned technical scheme, the present invention can improve the installation accuracy of conduit 6, and install convenient,
Rapidly and efficiently, it is simple to operate safely, be not limited by a space, procedure connection is compact etc..
Preferably, the top board 1 surrounds an installing space that Open Side Down with the end plate 2, and the installation is empty
Between section from top to bottom gradually increase.So, one similar truncated rectangular pyramids structure of top board 1 and the end plate 2 formation is upper small
Lower big structure.
Because lining trolley osseotomy site is weak link, the steel plate thickness of top board 1 is no less than 16mm.The length of top board 1
Degree is depending on the length of conduit, and width should adapt to two different spacer conditions of conduit, and (two channel lengths are generally 2500mm
With two kinds of 3000mm, spacing is two kinds of situations of 400mm and 600mm).
For example, the angle between end plate 2 and horizontal plane is 75 degree, wedge shape is constituted, so as to mold system and chassis top dress
Or depart from, and play positioning action.
Preferably, it is provided with brace rod in the installing space.Preferably, the brace rod includes multiple be arranged in parallel
First brace rod 4 and multiple the second brace rods 5 be arrangeding in parallel, first brace rod 4 and second brace rod 5 mutually hang down
It is directly arranged in a crossed manner to form network-like supporting construction.The thickness of brace rod can be 10mm, the multiple first brace rod 4 and
The multiple second brace rod 5 is set as cross-shaped, and lowering or hoisting gear 3 is installed in lower section.
Preferably, the upper surface of the top board 1 is provided with the spacing mark for positioning conduit 6 to be supported.Gag lever post
Note can be formed on top board 1 by way of portraying, and it matches with channel lengths and spacing, so as to quick positioning conduit position
Put.
Preferably, it is formed with the end plate 2 for the connecting bolt 8 with being connected at the opening of trolley formwork 7.Conduit
When supporting part is in top dress state with chassis, bolted by the hole of bolt mounting holes 12 and trolley formwork of surrounding.During disengaging, lay down
Bolt connection, makes mould separating chassis, to install conduit again by withdrawing oil cylinder.It should be noted that during oil cylinder withdrawal, tackling mould
With certain downward pulling force, pulling force excessive should not be advisable with departing from chassis.Liftable oil cylinder stroke is grasped with meeting staff
It is advisable, is located on chassis truss as space.
Preferably, the lowering or hoisting gear 3 is four, and axial direction of the lowering or hoisting gear 3 described in two of which along the top board 1 is set
Put, two other described lowering or hoisting gear 3 is along the circumferentially disposed of the top board 1.The stroke of lowering or hoisting gear 3 is at least 500mm.
Preferably, the top of top board 1 is also associated with jacking, and the jacking includes steel pipe 13 and backing plate 14, the upper end of steel pipe 13
It is connected with top board 1, lower end is connected with backing plate 14, the upper end of lowering or hoisting gear 3 and backing plate 14 are detachably connected.
Lining cutting be plain concrete location conduit install and be armored concrete location compared with lining cutting for, it is relatively easy, therefore
This only introduces conduit installation method when lining concrete has reinforcing bar.Therefore, present invention also offers a kind of high ferro tunnel is pre-buried
Conduit installation method, including：
Step 1, tunnel center line and lateral reference line, the installation site of Primary Location conduit 6 are measured in arch crown part；
Step 2, assembling reinforcement, and reinforced mesh is mutually avoided with conduit anchor pin；
Step 3, lining trolley is positioned；
Step 4, conduit is positioned by T-bolt, and two conduits is welded as overall conduit group with bar dowel；
Step 5, above-mentioned high ferro tunnel pre-buried channel flow installation mold automatic lifting system is moved to opening for lining trolley
At mouthful, and by its upward jacking of top board 1, then by its end plate 2 with being bolted at the edge of opening of lining trolley；
Step 6, to the space casting concrete of the top board more than 1；
Step 7, when lining concrete intensity meets form removal requirement, unclamp and take out T-bolt, and keep the spiral shell of end plate
Connection between bolt and the edge of opening of lining trolley, then takes the connection iron pin between lowering or hoisting gear 3 and conduit supporting part
Send as an envoy to its with conduit support section from then withdrawing the demoulding of lining trolley template；
Step 8, lining trolley moves forward and pours next lining cutting section, then puts on the connection iron pin, takes out end plate 2
Bolt, withdraws lowering or hoisting gear 3, conduit supporting part is separated with chassis；
Step 9, the direct all conduits of circulation step 1-8 are installed.
Preferably, the fixed square hole of a positioning is respectively opened at the two ends and middle part of the conduit, and the length of the fixed square hole of positioning is not
Less than 3 times of lining cutting ring bar diameter, width meets the installation of T-bolt, the length direction and circuit of the fixed square hole of positioning
It is parallel longitudinal.
In addition, in construction, it should also be noted that following item：
1st, when chassis is walked, jacking cylinder is kept to be in released state with mould, to avoid mold system from deforming；
2nd, it is general to increase 5cm than design lining section when chassis is processed, therefore it is considered as this factor during conduit production
The influence of pair radius.
3rd, the position of concrete pumping mouthful and injected hole should avoid conduit mold system.
4th, this conduit mould in concreting stress based on bolt connection stress, supplemented by jack-up system stress.
5th, when mold system declines, there should be the measure for preventing mold tilt or rotation.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of high ferro tunnel pre-buried channel flow installation mold automatic lifting system, it is characterised in that including：
Conduit supporting part, the conduit supporting part includes top board (1) and the circumferentially disposed end plate (2) around the top board,
The top board (1) is curved, and end plate (2) the opposed vertical direction is obliquely set；
Lowering or hoisting gear (3), is arranged on the lower section of the conduit supporting part, and upper end and the conduit of the lowering or hoisting gear (3)
Supporting part is connected.
2. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 1, it is characterised in that described
Top board (1) surrounds an installing space that Open Side Down with the end plate (2), and the section of the installing space is from top to bottom
Gradually increase.
3. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 1, it is characterised in that described
Brace rod is provided with installing space.
4. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 3, it is characterised in that described
Brace rod includes multiple the first brace rods (4) be arrangeding in parallel and multiple the second brace rods (5) be arrangeding in parallel, described first
Muscle (4) and the mutually perpendicularly crossed setting of second brace rod (5) is supportted to form network-like supporting construction.
5. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 3, it is characterised in that described
The upper surface of top board (1) is provided with the spacing mark for positioning conduit (6) to be supported.
6. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 1, it is characterised in that described
It is formed with end plate (2) for the connecting bolt (8) with being connected at the opening of trolley formwork (7).
7. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 1, it is characterised in that described
Lowering or hoisting gear (3) is four, and lowering or hoisting gear described in two of which (3) is axially arranged along the top board (1), described in two other
Lowering or hoisting gear (3) is circumferentially disposed along the top board (1).
8. pre-buried channel flow installation mold automatic lifting system in high ferro tunnel according to claim 1, it is characterised in that described
Lowering or hoisting gear (3) is oil cylinder.
9. a kind of high ferro tunnel pre-buried channel flow installation method, it is characterised in that including：
Step 1, tunnel center line and lateral reference line, the installation site of Primary Location conduit (6) are measured in arch crown part；
Step 2, assembling reinforcement, and reinforced mesh is mutually avoided with conduit anchor pin；
Step 3, lining trolley is positioned；
Step 4, conduit is positioned by T-bolt, and two conduits is welded as overall conduit group with bar dowel；
Step 5, the high ferro tunnel pre-buried channel flow installation mold automatic lifting system any one of claim 1 to 8 is moved
Move to the opening of lining trolley, and by the jacking upwards of its top board (1), then by the opening of its end plate (2) and lining trolley
Edge is bolted；
Step 6, to space the casting concrete more than top board (1)；
Step 7, when lining concrete intensity meets form removal requirement, unclamp and take out T-bolt, and keep the bolt of end plate with
Connection between the edge of opening of lining trolley, then takes out the connection iron pin between lowering or hoisting gear (3) and conduit supporting part
Make it with conduit support section from the then withdrawal lining trolley template demoulding；
Step 8, lining trolley moves forward and pours next lining cutting section, then puts on the connection iron pin, takes out the spiral shell of end plate (2)
Bolt, withdraws lowering or hoisting gear (3), conduit supporting part is separated with chassis；
Step 9, the direct all conduits of circulation step 1-8 are installed.
10. high ferro tunnel pre-buried channel flow installation method according to claim 9, it is characterised in that the two ends of the conduit
And the fixed square hole of a positioning is respectively opened at middle part, the length of the fixed square hole of positioning is not less than 3 times of lining cutting ring bar diameter, width
The installation of T-bolt is met, the length direction and circuit of the fixed square hole of positioning are parallel longitudinal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391068.0A CN106948841A (en) | 2017-05-27 | 2017-05-27 | High ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391068.0A CN106948841A (en) | 2017-05-27 | 2017-05-27 | High ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method |
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| CN201710391068.0A Pending CN106948841A (en) | 2017-05-27 | 2017-05-27 | High ferro tunnel pre-buried channel flow installation mold automatic lifting system and installation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394018A (en) * | 2018-04-28 | 2018-08-14 | 厦门中建智欣建工科技有限公司 | A kind of device and segment die for fixing pre-buried channel flow |
| CN108643936A (en) * | 2018-04-27 | 2018-10-12 | 长沙泽和智能科技有限公司 | A kind of lining trolley working window having automatic open-close function |
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| CN205297594U (en) * | 2015-11-30 | 2016-06-08 | 中交第二航务工程局有限公司 | Tunnel construction support device |
| CN106223975A (en) * | 2016-09-23 | 2016-12-14 | 中国水利水电第四工程局有限公司 | A kind of tunnel overhead contact conduit processing and positioning device |
| CN206092022U (en) * | 2016-10-25 | 2017-04-12 | 陕西铁路工程职业技术学院 | Be used for lining cutting rectangular -section or radiation gradual change rectangular -section formula operation car of crawling |
| CN106437767A (en) * | 2016-11-01 | 2017-02-22 | 中昊创业高铁新材料有限公司 | Tunnel pre-burying conduit installation structure and tunnel pre-burying conduit installation method |
| CN206917668U (en) * | 2017-05-27 | 2018-01-23 | 中铁二十二局集团第一工程有限公司 | High ferro tunnel pre-buried channel flow installation mold automatic lifting system |
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| CN108643936A (en) * | 2018-04-27 | 2018-10-12 | 长沙泽和智能科技有限公司 | A kind of lining trolley working window having automatic open-close function |
| CN108643936B (en) * | 2018-04-27 | 2019-12-20 | 长沙泽和智能科技有限公司 | Lining trolley working window with automatic opening and closing function |
| CN108394018A (en) * | 2018-04-28 | 2018-08-14 | 厦门中建智欣建工科技有限公司 | A kind of device and segment die for fixing pre-buried channel flow |
| CN108394018B (en) * | 2018-04-28 | 2023-10-13 | 厦门智欣建工科技有限公司 | Device for fixing embedded channel and duct piece mold |
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