CN105926549A - Transportation construction method for in-tunnel pressure steel tube - Google Patents
Transportation construction method for in-tunnel pressure steel tube Download PDFInfo
- Publication number
- CN105926549A CN105926549A CN201610526637.3A CN201610526637A CN105926549A CN 105926549 A CN105926549 A CN 105926549A CN 201610526637 A CN201610526637 A CN 201610526637A CN 105926549 A CN105926549 A CN 105926549A
- Authority
- CN
- China
- Prior art keywords
- penstock
- construction method
- steel
- hole
- skate
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
- E02B9/02—Water-ways
- E02B9/06—Pressure galleries or pressure conduits; Galleries specially adapted to house pressure conduits; Means specially adapted for use therewith, e.g. housings, valves, gates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a transportation construction method for an in-tunnel pressure steel tube, and aims to provide a transportation construction method, capable of improving transportation efficiency, for the in-tunnel pressure steel tube. The transportation construction method comprises the following steps: (1) laying a transportation platform and a transportation rail and arranging a traction system; (3) mounting steel supporting legs and brake shoes; and (3) lifting and transporting the pressure steel tube. According to the transportation construction method, the transportation platform and the transportation rail are laid, the steel supporting legs and the brake shoes are mounted in the pressure steel tube, so that under action of traction force, the pressure steel tube slides on a rail with lubricating oil, and is transported to a to-be-mounted position. The transportation construction method solves the problems that large lifting machinery cannot be lifted in a tunnel and a transport vehicle cannot be used for transporting in the tunnel, so that the safety risks are reduced.
Description
Technical field
The present invention relates to Hydropower Station Construction technical field, especially relate to the transport construction method of penstock in a kind of hole.
Background technology
Large, medium and small type underground workshop diversion system typically uses steel liner structure, and construction passage is narrow and small, and the volume of steel lining own, weight are big, and in hole, general lifting machine, Transport Machinery cannot be constructed, and the construction period is longer.
Use existing construction method, need to be before the excavation supporting of civil engineering penstock hole, the a large amount of degree of depth of specific placement and the bigger grasp of intensity above in hole, lifting and position adjustment for penstock in transportation, grasp also needs to spend after arranging very greatly manually and the duration carries out grasp pull-out test, calculate grasp bears pulling force, and grasp Reusability exists certain potential safety hazard.
Use existing construction method, need penstock uses outside hole plant equipment lifting, transport unload in hole, unloading place the most all can from installation site farther out, need artificial secondary conveying, during secondary conveying, as being not added with reinforcing to it, in the case of hoist engine draws, tube coupling can overturn rolling, there is security risk；Secondary conveying needs to carry out bigger adjustment work to installation site, increases the construction period.
Therefore, it is necessary to the transport construction of penstock in hole is improved, the limitation avoided penstock transport in hole, unload in hole, the efficiency of size adjusting, reduction of erection time, reduction security risk can be improved again.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, it is provided that one is applicable to limited space in hole, the transport construction method of penstock in the hole of conevying efficiency, reduction of erection time can be improved.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
The transport construction method of penstock in a kind of hole, it comprises the following steps:
(1) shipping platform, conveying track are laid and trailer system layout:
Diversion tunnel exit set up with diversion tunnel bottom with high shipping platform to lay track, in diversion tunnel, then lay conveying track, and arrange rack winch；The joint location of two parallel orbits staggers, the diameter being smaller than penstock of two parallel orbits；
(2) steel leg and skate are installed:
After penstock weld seam detection is qualified, being parallel to axis and install two row's steel legs on penstock, one end of steel leg is welded to connect with penstock periphery, and the other end welds with skate；Center distance and rail span between two skates are basically identical；
(3) penstock lifting and transport:
Crane is utilized to be lifted to conveying track by the penstock installing steel leg and skate so that skate can slide just in orbit；Conveying track is smeared the lubricating grease that can reduce frictional force, then utilizes the rack winch traction pressure steel pipe laid to transport in carrying out hole so that penstock slides into position to be installed.
Preferably, the joint location of two parallel orbits staggers；The dislocation that each rail joint is left and right, upper three is respectively less than 1mm, and rail joint gap is less than 1mm.
Preferably, described penstock using stiffening ring be fixed, supporting leg is arranged on stiffening ring.
Preferably, the height calculation method of described steel leg is: set penstock attachment rail elevation as H1, the Center elevation of penstock is H2, penstock radius is R1, penstock wall thickness D1, skate channel-section steel thickness D2, height of landing leg H3, then the height of steel leg is: H3=H2-H1-R1-D1-D2.
Compared with prior art, present invention have the advantage that
(1) present invention is by laying shipping platform and conveying track, and penstock installs steel leg and skate, under tractive force draws, makes penstock slide on the track smeared lubricating oil, transport to position to be installed.The method solves large-scale hoisting machinery and can not lift in hole, the problem that haulage vehicle can not transport in hole, reduces security risk.
(2) present invention is by installing steel leg and skate transport pressure steel pipe, and in solving penstock hole, anti-body is difficult, and after transport puts in place, position deviation is big, the problem that size adjusting is difficult.The present invention not only can be from upstream to a section installation the in downstream in hole and dock, it is also possible to several sections of penstocks complete for welding outside hole transport to hole installation together, improves transport installation effectiveness, reduction of erection time.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that penstock of the present invention is in travel position.
In figure: 1, steel leg；2, skate；3, penstock；4, conveying track.
Detailed description of the invention
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 clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not paying creative work premise, broadly fall into the scope of protection of the invention.
According to general line-putting method before penstock transport, setting-out goes out to install center line and Installation Elevation controls datum mark.The most as shown in Figure 1, carry out the transport construction method of penstock in hole, mainly comprise the steps that
(1) shipping platform, conveying track are laid and trailer system layout:
Diversion tunnel exit set up with diversion tunnel bottom with high shipping platform to lay track, in diversion tunnel, then lay conveying track, and arrange rack winch (conventionally meeting the location arrangements of safety standard)；The joint location of two parallel orbits staggers；The dislocation that each rail joint is left and right, upper three is respectively less than 1mm, and rail joint gap is less than 1mm；Track uses with built-in fitting in diversion tunnel and is welded and fixed；The diameter being smaller than penstock of two parallel orbits.
(2) steel leg and skate are installed:
After penstock weld seam detection is qualified, penstock is parallel to axis two row's steel legs are installed (supporting leg can have suitable angle of inclination, general each tube coupling installs the supporting leg of 4 steel), one end of steel leg is welded to connect with penstock periphery, and the other end welds with skate；Center distance between two skates is basically identical with rail span, and two row's skates will be made just to slide on two parallel orbits；Skate plays anti-slip in hauling operation, overturning-preventing effect；Steel leg is used for supporting penstock.
If using stiffening ring to be fixed on penstock, supporting leg also may be installed on stiffening ring；The height of steel leg, computational methods are: setting penstock attachment rail elevation as H1, the Center elevation of penstock is H2, penstock radius is R1, penstock wall thickness D1, skate channel-section steel thickness D2, height of landing leg H3, the height of steel leg is the most in theory: H3=H2-H1-R1-D1-D2.
(3) penstock lifting and transport:
Bridge crane is utilized to be lifted to conveying track by the penstock installing steel leg and skate so that skate can slide just in orbit.Conveying track is smeared the lubricating grease that can reduce frictional force, then the rack winch traction pressure steel pipe laid is utilized to transport in carrying out hole, after making penstock slide into position to be installed, utilize jack and chain block to adjust penstock position and fit like a glove with installing control point.
If when the firm pipe of pressure is band Taper Pipe form, according to penstock, center and tapering (gradient) and the installation site of supporting leg, the Installation Elevation of track will be installed, with CAD drawing instrument setting-out errant face to this Taper Pipe penstock center, measure height of landing leg, conveying track is laid simultaneously and be adjusted according to the gradient, it is ensured that penstock Taper Pipe is installed consistent with normal pressures penstock installation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (4)
1. the transport construction method of penstock in a hole, it is characterised in that comprise the following steps:
(1) shipping platform, conveying track are laid and trailer system layout:
Diversion tunnel exit set up with diversion tunnel bottom with high shipping platform to lay track, in diversion tunnel, then lay conveying track, and arrange rack winch；The joint location of two parallel orbits staggers, the diameter being smaller than penstock of two parallel orbits；
(2) steel leg and skate are installed:
After penstock weld seam detection is qualified, being parallel to axis and install two row's steel legs on penstock, one end of steel leg is welded to connect with penstock periphery, and the other end welds with skate；Center distance and rail span between two skates are basically identical；
(3) penstock lifting and transport:
Crane is utilized to be lifted to conveying track by the penstock installing steel leg and skate so that skate can slide just in orbit；Conveying track is smeared the lubricating grease that can reduce frictional force, then utilizes the rack winch traction pressure steel pipe laid to transport in carrying out hole so that penstock slides into position to be installed.
The transport construction method of penstock in hole the most according to claim 1, it is characterised in that: the joint location of two parallel orbits staggers；The dislocation that each rail joint is left and right, upper three is respectively less than 1mm, and rail joint gap is less than 1mm.
The transport construction method of penstock in hole the most according to claim 1, it is characterised in that: using stiffening ring to be fixed on described penstock, supporting leg is arranged on stiffening ring.
The transport construction method of penstock in hole the most according to claim 1, it is characterized in that: the height calculation method of described steel leg is: set penstock attachment rail elevation as H1, the Center elevation of penstock is H2, penstock radius is R1, penstock wall thickness D1, skate channel-section steel thickness D2, height of landing leg H3, then the height of steel leg is: H3=H2-H1-R1-D1-D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526637.3A CN105926549A (en) | 2016-07-06 | 2016-07-06 | Transportation construction method for in-tunnel pressure steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526637.3A CN105926549A (en) | 2016-07-06 | 2016-07-06 | Transportation construction method for in-tunnel pressure steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105926549A true CN105926549A (en) | 2016-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526637.3A Pending CN105926549A (en) | 2016-07-06 | 2016-07-06 | Transportation construction method for in-tunnel pressure steel tube |
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| CN (1) | CN105926549A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422576A (en) * | 2020-04-27 | 2020-07-17 | 中国水利水电第四工程局有限公司 | Loading and transporting device for choke plug of hydropower station unit |
| CN114960896A (en) * | 2022-06-24 | 2022-08-30 | 湖北省长湖建设工程有限公司 | Pipeline system for industrial sewage treatment and installation method thereof |
| CN114960896B (en) * | 2022-06-24 | 2024-04-12 | 湖北省长湖建设工程有限公司 | Pipeline system for industrial sewage treatment and installation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093902A (en) * | 1995-06-26 | 1997-01-07 | Japan Steel & Tube Constr Co Ltd | Earth retaining construction method in open-cutting civil engineering work |
| CN205012299U (en) * | 2015-08-25 | 2016-02-03 | 中国葛洲坝集团第二工程有限公司 | Pressure steel pipe installation shaped steel rail set |
| CN205088653U (en) * | 2015-10-28 | 2016-03-16 | 中国葛洲坝集团股份有限公司 | Pressure steel pipe haul installation combination track |
| CN105464060A (en) * | 2015-12-08 | 2016-04-06 | 中国水利水电第十四工程局有限公司 | Supporting leg and iron shoe transportation construction method of inner-hole pressure steel pipe |
-
2016
- 2016-07-06 CN CN201610526637.3A patent/CN105926549A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH093902A (en) * | 1995-06-26 | 1997-01-07 | Japan Steel & Tube Constr Co Ltd | Earth retaining construction method in open-cutting civil engineering work |
| CN205012299U (en) * | 2015-08-25 | 2016-02-03 | 中国葛洲坝集团第二工程有限公司 | Pressure steel pipe installation shaped steel rail set |
| CN205088653U (en) * | 2015-10-28 | 2016-03-16 | 中国葛洲坝集团股份有限公司 | Pressure steel pipe haul installation combination track |
| CN105464060A (en) * | 2015-12-08 | 2016-04-06 | 中国水利水电第十四工程局有限公司 | Supporting leg and iron shoe transportation construction method of inner-hole pressure steel pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111422576A (en) * | 2020-04-27 | 2020-07-17 | 中国水利水电第四工程局有限公司 | Loading and transporting device for choke plug of hydropower station unit |
| CN111422576B (en) * | 2020-04-27 | 2021-07-13 | 中国水利水电第四工程局有限公司 | Loading and transporting device for choke plug of hydropower station unit |
| CN114960896A (en) * | 2022-06-24 | 2022-08-30 | 湖北省长湖建设工程有限公司 | Pipeline system for industrial sewage treatment and installation method thereof |
| CN114960896B (en) * | 2022-06-24 | 2024-04-12 | 湖北省长湖建设工程有限公司 | Pipeline system for industrial sewage treatment and installation method thereof |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160907 |