CN209724371U - A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure - Google Patents
A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure Download PDFInfo
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- CN209724371U CN209724371U CN201822247287.4U CN201822247287U CN209724371U CN 209724371 U CN209724371 U CN 209724371U CN 201822247287 U CN201822247287 U CN 201822247287U CN 209724371 U CN209724371 U CN 209724371U
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- hole
- tunnel
- steel pipe
- barrel
- narrow space
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Abstract
The utility model discloses a kind of water-conveyance tunnel narrow space lined steel pipe mounting structures, including tunnel barrel, propulsion system is equipped in the tunnel barrel, the tunnel barrel is equipped with puopulsion equipment into hole, the propulsion system includes track-type facilities in tourelle and hole in hole, track-type facilities arranged for interval in tunnel barrel in tourelle and hole in the hole, tourelle includes the sleeve that a pair of of the earrings for being symmetricly set on tunnel barrel bottom, the steel shaft between earrings and rotation are set in steel shaft in the hole.The water-conveyance tunnel narrow space lined steel pipe mounting structure of the utility model, solves the problems, such as penstock installation low efficiency in the narrow space of straight tunnel.
Description
Technical field
The utility model relates to penstock installation technical field in tunnel, in particular to a kind of water-conveyance tunnel narrow space liner
Penstock installation structure.
Background technique
Water-conveyance tunnel is an important component in diversion water diversion project, general next at present frequently with multilayer lining cutting
It says, comprising: outer lining such as gunite concrete, section of jurisdiction etc.；Liner such as steel pipe, pvc pipe etc.；The reinforcing bar being filled between outer lining and liner
Concrete, self-compacting concrete etc..
For saving construction cost, tunnel section is generally smaller, tunnel regular spans 3-4m, is jacked piles with small section, due to tunnel
Section is small, and general mechanical equipment is difficult to transport and lift steel pipe, causes penstock installation laying in hole relatively difficult.Conventional does
Method is that the transport and lifting of steel pipe are carried out by the way of the railcar of hoist engine cooperation rolling bar traction or design specialized, these are applied
Work mode there are installation accuracies low, hoist engine and guidance system arrangement trouble command that cumbersome, conevying efficiency is low, transport
The disadvantages of stability is poor.
Utility model content
The purpose of this utility model is to provide a kind of water-conveyance tunnel narrow space lined steel pipe mounting structures, solve straight
Penstock installation low efficiency problem in the narrow space of tunnel.
The above-mentioned purpose of the utility model has the technical scheme that
A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure, including tunnel barrel are equipped in the tunnel barrel
Propulsion system, the tunnel barrel are equipped with puopulsion equipment into hole, and the propulsion system includes in hole in tourelle and hole
Track-type facilities, track-type facilities arranged for interval in tunnel barrel in tourelle and hole in the hole, tourelle in the hole
A pair of of earrings, the steel shaft between earrings and rotation including being symmetricly set on tunnel barrel bottom are set to the set in steel shaft
Cylinder.
By using above-mentioned technical proposal, puopulsion equipment provides propulsive force for steel pipe, when steel pipe enters in tunnel barrel
It is pressed on sleeve and steel shaft behind portion, sliding friction is become into rolling friction, make steel pipe can be quick and smooth in tunnel barrel
Carry out install, to solve the problems, such as penstock installation low efficiency in the narrow space of straight tunnel, while rolling friction has
Effect reduces abrasion of the steel pipe in progradation.
The utility model is further arranged to: track-type facilities are made of two guided ways in the hole, the guided way by
Two channel steel butt welding are formed.
By using above-mentioned technical proposal, guided way plays the role of guide and limit during steel pipe transmission, to protect
Demonstrate,prove the installation quality of steel pipe.
The utility model is further arranged to: the long 30cm of track-type facilities in the hole, is set in the tunnel barrel every 1m
It sets tourelle in one group of hole, track-type facilities in one group of hole is set every 3m.
The utility model is further arranged to: the bottom of the tunnel barrel is cast with poling platform, institute using concrete
Track-type facilities formed by integrally casting is stated in hole in tourelle and hole in poling platform.
By using above-mentioned technical proposal, the peace of track-type facilities in tourelle and hole in hole is realized after the molding of poling platform
Dress is fixed, and the construction of propulsion system is completed.
The utility model is further arranged to: formed by integrally casting has supporting element in the poling platform, rolls dress in the hole
The earrings set is symmetrically welded at the two sides of supporting element；Lacing wire is equipped in the hole between two groups of guided ways of track-type facilities, is passed through
Lacing wire is erected on supporting element.
By using above-mentioned technical proposal, concrete may will affect in hole in casting process and lead in tourelle and hole
Positional relationship between rail device, and then the transport effect of steel pipe is influenced, before pouring poling platform, the first edge in tunnel barrel
Its length is laid with supporting element, and the earrings of tourelle is symmetrically welded at the two sides of supporting element in hole, in this way, both having improved earrings peace
The stability of dress, and prevent that change in location occurs in hole between tourelle, it ensure that the transport effect of steel pipe；Guide rail fills in hole
It sets, the top of supporting element is erected at by lacing wire, prevent that change in location occurs in hole between track-type facilities with this, guarantee to steel
The guide effect of pipe, while lacing wire pulls and supports power to guided way application, improves the installation effect of guided way.
The utility model is further arranged to: being installed on positioning bar at the Dong Ding and hole waist inside the tunnel barrel.
By using above-mentioned technical proposal, positioning bar plays the role of limit to the steel pipe in transport, prevents it from promoting
It shifts in the process.
The utility model is further arranged to: the tunnel barrel is equipped with pipeline installation system, the pipeline into hole
Installation system includes that platform and back are placed from the pipeline successively arranged outward into hole, and the puopulsion equipment is located at pipeline placement
Between platform and back.
By using above-mentioned technical proposal, pipeline places platform and is used for placing steel tubes, is aligned steel pipe with tunnel barrel, with
Just the propulsion work of next step is carried out；Back provides support force for puopulsion equipment, and puopulsion equipment is enable orderly to stablize when working
Carry out work, guarantee the fluency of penstock installation.
The utility model is further arranged to: the pipeline places platform and is equipped with weldering towards the side at tunnel body into hole
Connect working pit.
It needs to be welded comprehensively at nozzle after the docking of former and later two steel pipes by using above-mentioned technical proposal, but
Lower section because position reason in welding there are constant, cheated by setting welding, staff enable more easily to carry out
Welding guarantees welding quality.
In conclusion the utility model has the following beneficial effects:
1, by being provided in hole track-type facilities in tourelle and hole in tunnel barrel, using hydraulic ejecting picks as steel
The puopulsion equipment of pipe, the two cooperation can correct the deviation occurred in progradation convenient for the fltting speed of control steel pipe in time,
Make steel pipe is quick and smooth to be mounted in tunnel barrel；
2, by the way that supporting element is arranged in tunnel barrel, track-type facilities are arranged at intervals on support in tourelle and hole in hole
On part, to prevent from occurring between track-type facilities in tourelle and hole in hole change in location, the Transportation Efficiency of steel pipe just ensure that
Fruit；
3, by the way that positioning bar is arranged in tunnel barrel, positioning bar plays the role of limit to steel pipe, prevents it from promoting
It shifts in the process.
Detailed description of the invention
Fig. 1 is structural schematic diagram in embodiment；
Fig. 2 is the structural schematic diagram of propulsion system in embodiment；
Fig. 3 is the structural schematic diagram of pipeline installation system in embodiment；
Fig. 4 is the structural schematic diagram that pipeline places platform in embodiment；
Fig. 5 is that pipe and Grouting Pipe distribution schematic diagram are poured in embodiment；
Fig. 6 is the schematic diagram of stock mould structure in embodiment.
In figure, 1, tunnel barrel；11, poling platform；12, supporting element；13, positioning bar；14, steel pipe；2, dress is rolled in hole
It sets；21, earrings；211, arc groove；22, steel shaft；23, sleeve；3, track-type facilities in hole；31, guided way；32, lacing wire；4, pipeline
Place platform；41, track foundation；42, hole outside track；43, welding is cheated；5, puopulsion equipment；51, jacking iron；52, retaining
Iron；6, back；7, pipe is poured；71, flashboard；8, Grouting Pipe；81, blind plate；82, slurry hole is mended；9, stock mould structure；91, exhaust pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of water-conveyance tunnel narrow space lined steel pipe mounting structure, as shown in Figure 1, include tunnel barrel 1,
Propulsion system and pipeline installation system, wherein propulsion system is arranged in tunnel barrel 1, and pipeline installation system is arranged in tunnel
Barrel 1 at hole.
As shown in Figure 1 and Figure 2, propulsion system includes track-type facilities 3 in tourelle 2 and hole in hole, tourelle 2 in hole
Including earrings 21, steel shaft 22 and sleeve 23, earrings 21 is rectangular plate-like structure, and two earrings 21 are one group, and symmetric support is in tunnel
The bottom of hole barrel 1, the upper end of earrings 21 offer arc groove 211, and sleeve 23 is set in steel shaft 22, and steel shaft 22 is placed on arc
In shape slot 211, the assembly of tourelle 2 in hole is completed；Wherein the diameter of steel shaft 22 is 60mm, and the diameter of sleeve 23 is 75mm,
The diameter of arc groove 211 is adapted to steel shaft 22.In order to guarantee fluency that sleeve 23 rotates in steel shaft 22, can sleeve 23 with
Coating lubricating oil between steel shaft 22.Track-type facilities 3 are made of two guided ways 31 in hole, and each guided way 31 is by two channel steels pair
Weldering is formed, and guided way 31 is 30cm long.
The bottom of tunnel barrel 1 is cast with poling platform 11(referring to Fig.1 using C40 concrete), 2 He of tourelle in hole
Track-type facilities 3 are integrally cast in poling platform 11 in hole, and poling platform 11 is realized in hole after forming and led in tourelle 2 and hole
The installation of rail device 3 is fixed, and the construction of propulsion system is completed.Poling platform 11 steps down to tourelle 2 in hole when being poured,
Guarantee that sleeve 23 can be rotated around steel shaft 22；The vertex of guided way 31 is higher than the vertex of sleeve 23 after poling platform 11 forms.
Tourelle 2 arranges one group every 1m in tunnel barrel 1 in hole, and in hole the hole in tunnel barrel 1 of track-type facilities 3
Interior to arrange one group every 3m, track-type facilities 3 start to pour again after installing in tunnel barrel 1 in tourelle 2 and hole in hole
Poling platform 11, but the positional relationship between may will affect in casting process, and then the transport effect of steel pipe 14 is influenced,
In order to weaken the influence of the problem, before pouring poling platform 11, it is first equipped with supporting element along its length in tunnel barrel 1
12, supporting element 12 is chosen as channel steel or square tube.
Track-type facilities 3 are arranged on supporting element 12 in tourelle 2 and hole in hole, specific as shown in Fig. 2, rolling every group of hole in
The earrings 21 of dynamic device 2 is symmetrically welded at the two sides of supporting element 12, in this way, the stability of the installation of earrings 21 had not only been improved, but also
It prevents that change in location occurs between tourelle 2 in hole, ensure that the transport effect of steel pipe 14；Track-type facilities 3 are then two in hole
Interval setting lacing wire 32, the both ends of lacing wire 32 are respectively welded on the side wall of guided way 31 between guided way 31, two groups of guided ways
31 are erected at the top of supporting element 12 by lacing wire 32, prevent that change in location occurs in hole between track-type facilities 3 with this, guarantee pair
The guide effect of steel pipe 14, while lacing wire 32 pulls and supports power to the application of guided way 31, improves the installation effect of guided way 31.
Poling platform 11 first determines the position of poling platform 11 using total station before being poured, flat to poling with precision level
11 height of platform measures, the top surface opposite with tourelle 2 in hole of poling platform 11 by place steel shaft 22 after than 23 bottom of sleeve
The low 1cm control in face.
Further, the hole in order to guarantee straightness that steel pipe 14 slides in tunnel barrel 1, inside tunnel barrel 1
Positioning bar 13(is installed on referring to Fig.1 at top and hole waist), positioning bar 13 is fixed on tunnel barrel 1 by the way of bar planting；
13 spacing of positioning bar at the top of hole is 500cm, and 13 spacing of positioning bar at the waist of hole is 400cm.Steel pipe 14 is advanced over
Cheng Zhong, positioning bar 13 play the role of limit to steel pipe 14, prevent steel pipe 14 from shifting.
After the completion of propulsion system construction, start the construction of operation pipeline installation system.As shown in figure 3, pipeline installation system packet
It includes pipeline and places platform 4, puopulsion equipment 5 and back 6, Pipe installing is from 1 terminal of tunnel barrel (into the hole) direction Xiang Qidian
It promotes, the pipeline of pipeline installation system is placed platform 4, puopulsion equipment 5 and back 6 and successively arranged outward from 1 terminal of tunnel barrel
Cloth.
As shown in figure 4, it includes the track foundation 41 by armored concrete pouring molding, track foundation that pipeline, which places platform 4,
Formed by integrally casting has two groups of hole outside tracks 42 on 41, and hole outside track 42 is also formed by two channel steel butt welding.It is poured in track foundation 41
There is supporting element 12, arranged for interval has lacing wire 32 between two groups of hole outside tracks 42, is erected on supporting element 12 by lacing wire 32, track
The stability of hole outside track 42 is improved after 41 molding of basis.Puopulsion equipment 5 is selected as the hydraulic ejecting picks of two 320T, and back 6 then selects
For reinforced concrete structure, lower part is embedded in soil layer, and top, which is exposed, provides support force for puopulsion equipment 5.
When steel pipe 14 is installed, first steel pipe 14 is hoisted to by pipeline by crane and is placed on the hole outside track 42 of platform 4,
Then in one end setting retaining iron 52(of the steel pipe 14 towards puopulsion equipment 5 referring to Fig. 3), puopulsion equipment 5 is resisted against on back 6,
Retaining iron 52 is pushed by the jacking iron 51 placed one by one when puopulsion equipment 5 works, to push steel pipe 14 gradually towards tunnel
It is moved in body 1, when the end of steel pipe 14 enters tunnel body 1 fastly, puopulsion equipment 5 stops working, and then removes jacking iron 51
Fall, next steel pipe 14 is hoisted to by pipeline by crane and is placed on platform 4, and former and later two steel pipes 14 are docked, is welded
Connect work；For the welding effect for guaranteeing two steel pipes 14, brick formation between platform 4 and 1 terminal of tunnel barrel is placed in pipeline
There is welding to cheat 43, keeps soldering opening more comprehensive.Butt welding mouth is polished after the completion of welding, keeps weld bond and 14 bottom of steel pipe neat
It is flat, smooth, it eliminates the friction at weld bond and hinders.Then propulsion work is carried out again, and previous steel pipe 14 then enters tunnel
In body 1, transported by tourelle 2 in hole.Similarly, steel pipe 14 is pushed into one by one in tunnel barrel 1, realizes steel pipe
14 tunnel barrel 1 Fast Installation, solve the problems, such as that the installation effectiveness in narrow space of steel pipe 14 is low.
After steel pipe 14 is completely in place, need to backfill self-compacting concrete between steel pipe 14 and tunnel barrel 1, tradition is returned
The method for filling out self-compacting concrete is generally poured using segmentation or surface drilling pours, and segmentation is poured to be influenced by tunnel length,
It is only leaned on when tunnel length is longer and pours and can not meet the requirements from both ends, and surface drilling pours and is pushed up formation influence by hole, such as
There is shallow-layer backwater on stratum, and backwater may be from drilling into the interlayer tunnel barrel 1 and steel pipe 14.In order to avoid occurring
The above problem, the present invention take interlayer both ends to be blocked with brick, and pre-buried exhaust pipe 91, and in 14 top drilling of steel pipe, welding is poured
Grouting Pipe 8 is arranged for backfilling self-compacting concrete, while pouring in pipe 7 between pipe 7, be in the milk after the completion of backfill, it is ensured that
It backfills closely knit.
Specifically, arranging a φ 150mm length 30mm's every 20m since at the position at 14 both ends of steel pipe
Pipe 7 is poured, is equally spaced the Grouting Pipe 8 of three Φ 100mm wall thickness 5mm between pipe 7 in adjacent pour；Close to 14 both ends of steel pipe
Grouting Pipe 8, in the intermediate arrangement for pouring pipe 7 Yu 14 nozzle of steel pipe, specific arrangement is referring to Fig. 5.
When welding pours pipe 7 at the top of steel pipe 14, the connection of Φ 150 is first cut at the top of steel pipe 14 by the way of gas welding
Then hole welds again and pours pipe 7.Similarly, pipe 7 and steel pipe 14 are poured and the tube top center of both ends plug also uses adjacent
The mode of gas welding is cut into the connecting hole of Φ 100, for arranging Grouting Pipe 8；The upper end of Grouting Pipe 8 is welded with its is closed
Blind plate 81, at the position 3mm apart from 8 tube top of Grouting Pipe, there are four the benefits of Φ 12 to starch hole 82 for circle distribution, and Grouting Pipe 8 is installed
After on steel pipe 14, the upper end is pressed on the inner wall of tunnel barrel 1, and a part is reserved in lower end in steel pipe 14, the part
Length is identical as the length for pouring pipe 7.Grouting Pipe 8 is in addition to for other than being in the milk, also acting as observation concrete placings situation, exhaust, resisting
Floating effect.13 arranged for interval of positioning bar is pushed up in Grouting Pipe 8 and hole, to avoid location conflicts.
As shown in fig. 6,14 both ends of steel pipe are blocked using stock mould structure 9, the exhaust of Φ 50 is embedded at the top of stock mould
Pipe 91.Concreting is poured using Vehicle loaded pump, and Vehicle loaded pump pump line uses high-pressure hose to connect with pipe 7 is poured, correspondingly,
It pours and also sets up the flashboard 71 that control pours on pipe 7.
Pipe progress is successively moved back in concrete backfill from starting point to terminal, after the completion of every section concrete pours, is closed with flashboard 71
Pipe 7 is poured, the next position is then moved to.Concrete backfill complete standard be subject to 8 tube top of built-in slip casting pipe have concrete leakage.
After the completion of concrete backfill, it is in the milk using Grouting Pipe 8, it is ensured that Concrete Filled is closely knit.After the completion of grouting, to pouring pipe 7
It is cut with Grouting Pipe 8, and beats groove on raw steel pipe 14, then with welding rod welded closure, lossless spy is carried out after the completion of closing
Wound test, it is ensured that welding quality is qualified.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of water-conveyance tunnel narrow space lined steel pipe mounting structure, including tunnel barrel (1), it is characterised in that: the tunnel
Propulsion system is equipped in hole barrel (1), the tunnel barrel (1) is equipped with puopulsion equipment (5) into hole, the propulsion system packet
Include track-type facilities (3) in tourelle in hole (2) and hole, in the hole in tourelle (2) and hole track-type facilities (3) in tunnel
Barrel (1) interior arranged for interval, tourelle (2) includes a pair of of the earrings for being symmetricly set on tunnel barrel (1) bottom in the hole
(21), it is set to the sleeve (23) of the steel shaft (22) between earrings (21) and rotation on steel shaft (22).
2. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 1, it is characterised in that: in the hole
Track-type facilities (3) are made of two guided ways (31), and the guided way (31) is formed by two channel steel butt welding.
3. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 1, it is characterised in that: in the hole
Track-type facilities (3) long 30cm, the tunnel barrel (1) is interior to be arranged tourelle (2) in one group of hole every 1m, is arranged one every 3m
Track-type facilities (3) in group hole.
4. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 1, it is characterised in that: the tunnel
The bottom of barrel (1) is cast with poling platform (11) using concrete, track-type facilities in tourelle (2) and hole in the hole
(3) formed by integrally casting is in poling platform (11).
5. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 4, it is characterised in that: the poling
There is supporting element (12) formed by integrally casting in platform (11), the earrings (21) of tourelle (2) is symmetrically welded at supporting element in the hole
(12) two sides；Lacing wire (32) are equipped between two groups of guided ways (31) of track-type facilities (3) in the hole, pass through lacing wire (32) frame
It is located on supporting element (12).
6. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 1, it is characterised in that: the tunnel
Positioning bar (13) are installed at barrel (1) internal Dong Ding and hole waist.
7. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 1, it is characterised in that: the tunnel
Barrel (1) is equipped with pipeline installation system into hole, and the pipeline installation system includes from the pipe successively arranged outward into hole
Platform (4) and back (6) are placed in road, and the puopulsion equipment (5) is located at pipeline and places between platform (4) and back (6).
8. water-conveyance tunnel narrow space lined steel pipe mounting structure according to claim 7, it is characterised in that: the pipeline
It places platform (4) and is equipped with welding hole (43) towards the side at tunnel barrel (1) into hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247287.4U CN209724371U (en) | 2018-12-29 | 2018-12-29 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247287.4U CN209724371U (en) | 2018-12-29 | 2018-12-29 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724371U true CN209724371U (en) | 2019-12-03 |
Family
ID=68678758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822247287.4U Expired - Fee Related CN209724371U (en) | 2018-12-29 | 2018-12-29 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469498A (en) * | 2018-12-29 | 2019-03-15 | 北京京水建设集团有限公司 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure and its construction method |
| CN112065459A (en) * | 2020-09-08 | 2020-12-11 | 中建钢构天津有限公司 | Novel steel skeleton structure retaining wall structure of tunnel, retaining wall system and construction method |
-
2018
- 2018-12-29 CN CN201822247287.4U patent/CN209724371U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469498A (en) * | 2018-12-29 | 2019-03-15 | 北京京水建设集团有限公司 | A kind of water-conveyance tunnel narrow space lined steel pipe mounting structure and its construction method |
| CN109469498B (en) * | 2018-12-29 | 2024-04-02 | 北京京水建设集团有限公司 | Mounting structure of lining steel pipe in narrow space of water delivery tunnel and construction method of mounting structure |
| CN112065459A (en) * | 2020-09-08 | 2020-12-11 | 中建钢构天津有限公司 | Novel steel skeleton structure retaining wall structure of tunnel, retaining wall system and construction method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20211229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |