CN113266400A - Trolley for molding tunnel sewage-cleaning diversion canal and construction method thereof - Google Patents
Trolley for molding tunnel sewage-cleaning diversion canal and construction method thereof Download PDFInfo
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- CN113266400A CN113266400A CN202110771276.XA CN202110771276A CN113266400A CN 113266400 A CN113266400 A CN 113266400A CN 202110771276 A CN202110771276 A CN 202110771276A CN 113266400 A CN113266400 A CN 113266400A
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000000465 moulding Methods 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 title description 2
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 186
- 239000010959 steel Substances 0.000 claims abstract description 186
- 238000009415 formwork Methods 0.000 claims abstract description 35
- 239000010865 sewage Substances 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
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- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a trolley for molding a tunnel sewage disposal diversion canal, which comprises a trolley structural frame, a steel template assembly and a template adjusting assembly, wherein the steel template assembly comprises a steel template and a steel template; the steel template assembly comprises a combined steel template I and a combined steel template II which are oppositely arranged, and a concave steel template arranged above the outer side of the combined steel template II; the template adjusting assembly comprises a plurality of vertical pull rods and a plurality of transverse pull rods; the top end of the vertical pull rod is connected with the upper part of the trolley structural frame, and the bottom end of the vertical pull rod is connected with the combined steel formwork or the concave steel formwork; the combined steel template I is connected with the combined steel template II through a transverse pull rod, and the concave steel template is connected with a bottom baffle plate of the trolley structure frame through the transverse pull rod. The shape of the water channel is formed by the steel template components on the trolley, and the steel template components are adjusted by the template adjusting components, so that the size of the water channel reaches a set value; the preparation method provided by the invention is simple to operate, convenient to construct and high in construction efficiency.
Description
Technical Field
The invention relates to the technical field of railway tunnel engineering construction, in particular to a trolley for molding a tunnel sewage disposal diversion canal and a construction method thereof.
Background
With the continuous attention on the environment protection requirement of tunnel construction, the treatment modes of clear water (tunnel surrounding rock water seepage) and sewage (construction water) in the tunnel are changed. In the past, the clear water in the tunnel is not collected and discharged independently, but is discharged to a sewage treatment station together after being mixed with sewage, along with the improvement of environmental protection requirement, the clear water and the sewage in the tunnel can not be mixed and treated, but adopt the mode of "clear sewage reposition of redundant personnel", the clear water in the tunnel needs to be collected with special ditch, the ditch top is to be added the apron, avoids the inside dregs in tunnel, rubble to fall into the ditch, therefore the section structure of ditch is more complicated. If present tunnel bottom plate and ditch adopt the branch process to pour in proper order, can increase the construction process in tunnel, reduced the efficiency of construction, can form the construction joint between bottom plate and the ditch in addition, reduced engineering quality.
Disclosure of Invention
In view of the above, the present invention provides a trolley for molding a tunnel sewage disposal diversion canal and a construction method thereof, which can realize one-time integral casting of a tunnel bottom plate and a canal, reduce the number of process conversion, and improve the construction quality of the canal.
In order to achieve the purpose, the invention adopts the following technical scheme:
a trolley for molding a tunnel sewage disposal diversion canal comprises a trolley structural frame, a steel template assembly and a template adjusting assembly; the steel template assembly comprises a combined steel template I and a combined steel template II which are oppositely arranged, and a concave steel template arranged above the outer side of the combined steel template II; the template adjusting assembly comprises a plurality of vertical pull rods and a plurality of transverse pull rods; the top end of the vertical pull rod is connected with the upper part of the trolley structural frame, and the bottom end of the vertical pull rod is connected with the combined steel formwork or the concave steel formwork; the combined steel formwork I and the combined steel formwork II are connected through a transverse pull rod, and the concave steel formwork and a bottom baffle plate of the trolley structural frame are also connected through the transverse pull rod.
Aiming at the technical scheme, the trolley structure frame is used for supporting the steel template assembly and the template adjusting assembly, and the template adjusting assembly is used for adjusting the position and the distance of the steel template assembly so that the steel template assembly forms a water channel shape with a set width; the combination steel form I, the combination steel form II and the cooperation of spill steel form use, mould the inside profile of canal, and vertical pull rod adjusts steel form assembly's vertical position, and horizontal pull rod adjusts the distance between combination steel form I and the combination steel form II to and adjust the distance between combination steel form II and the spill steel form, thereby satisfy the designing requirement.
Preferably, the trolley structure frame is a cuboid cage-shaped structure formed by combining a cross beam, a longitudinal beam and a vertical connecting beam.
Preferably, an auxiliary beam is welded between the two longitudinal beams above the trolley structure frame, so that the cross beam, the longitudinal beams and the auxiliary beam form a structure shaped like a Chinese character 'mu'. The stability of platform truck structure frame is strengthened to the auxiliary beam, makes things convenient for the installation of vertical pull rod simultaneously.
Preferably, all be equipped with connection steel sheet between crossbeam and longeron and the vertical tie-beam be equipped with the screw hole on the connection steel sheet, all can dismantle through the bolt and be connected between messenger's crossbeam and longeron and the vertical tie-beam.
Preferably, the cross beam, the longitudinal beam and the vertical connecting beam are all H-shaped steel, and the auxiliary beam is a concave channel steel.
Preferably, the combined steel template I comprises a supporting template formed by concave channel steel and a blocking template formed by rectangular square steel and arranged on the outer side above the supporting template; and the structure of the combined steel template II is consistent with that of the combined steel template I. The supporting templates on the combined steel template I and the combined steel template II form the inner shape of a water channel, and a concave platform formed by the two blocking templates on the supporting templates is used for placing a cover plate; the combined steel template I and the combined steel template II are designed to enable the end surface of the water channel to be T-shaped.
Preferably, one end of the cross beam below the trolley structure frame is respectively provided with a mounting groove, a traveling wheel is arranged in the mounting groove, and the bottom of the other end of the cross beam is provided with a traveling wheel. The walking wheels on two sides of the trolley structure frame are located at different heights, so that construction requirements are better met, and positioning of the concave steel templates is facilitated.
Preferably, the vertical pull rod and the transverse pull rod have the same structure and respectively comprise a rotating sleeve, and an upper threaded rod and a lower threaded rod which are respectively in threaded connection with two ends of the rotating sleeve, the upper end of the upper threaded rod is connected with the auxiliary beam, and the bottom of the lower threaded rod is connected with the steel formwork component; the middle position department is equipped with the safe district that does not set up the screw thread in rotatory sleeve the upper and lower both sides in safe district are equipped with the opposite internal thread of screw thread turning respectively, just go up the screw thread turning of threaded rod and threaded rod down and also opposite. The steel template assembly is driven to move up and down by rotating the rotary sleeve, and the safety zone limits the upper threaded rod and the lower threaded rod.
A construction method of a mold tunnel sewage disposal diversion canal comprises the following steps:
(1) excavating a groove of a single tunnel bottom plate, and placing a trolley on the groove, so that a travelling wheel at one end of the trolley is lapped on the poured bottom plate at the previous side, and a travelling wheel at the other end of the trolley is lapped at the bottom of the tunnel to be poured outside the groove;
(2) rotating the rotating sleeves on all the vertical pull rods, and adjusting the length of each vertical pull rod, so that the vertical heights of the combined steel template I and the combined steel template II are adjusted; adjusting the distance between the combined steel template I and the combined steel template II by rotating a rotating sleeve on a transverse pull rod between the combined steel template I and the combined steel template II to enable the combined steel template I and the combined steel template II to be located at set positions; rotating a rotating sleeve on a transverse pull rod between the concave steel template and the trolley structural frame so as to adjust the distance between the combined steel template II and the concave steel template;
(3) pouring concrete between the groove and the trolley to form a bottom plate integrated with the ditch, and removing the form after the form removing condition is achieved; the combined steel template I, the combined steel template II and the concave steel template are separated from the tunnel bottom plate by retracting the transverse pull rod and the vertical pull rod; the vertical pull rod is continuously retracted until the steel formwork component is higher than the travelling wheel; then, the bottom of the water channel on the bottom plate is flattened manually;
(4) and repeating the steps in sequence to finish the pouring of the whole tunnel bottom plate.
The invention has the beneficial effects that:
the shape of the water channel is formed by the steel template components on the trolley, and the steel template components are adjusted by the template adjusting components, so that the size of the water channel reaches a set value; the invention realizes the integrated design of the tunnel bottom plate and the sewage disposal diversion canal by using the trolley as a pouring mould, and has the advantages of simple operation, convenient construction and high construction efficiency.
Drawings
FIG. 1 is a front view of the trolley of the present invention;
FIG. 2 is a side view of the trolley of the present invention;
FIG. 3 is a perspective view of the trolley of the present invention;
FIG. 4 is a schematic view of the structure of the vertical tie rod;
fig. 5 is a cross-sectional view of the vertical tie rod.
In the figure: the beam, 2 longerons, 3 vertical tie-beams, 4 joint steel boards, 5 spill steel form, 6 support templates, 7 separation templates, 8 walking wheels, 9 mounting grooves, 10 bottom plates, 11 ditch, 12 horizontal pull rods, 13 vertical pull rods, 14 combination steel form I, 15 combination steel form II, 16 auxiliary beams, 17 rotatory sleeves, 18 upper threaded rods, 19 lower threaded rods, 20 safety zones.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
As shown in fig. 1-5, a trolley for molding a tunnel sewage disposal diversion canal comprises a trolley structural frame, a steel formwork component and a formwork adjusting component.
The trolley structure frame is a cuboid cage-shaped structure formed by combining a cross beam 1, longitudinal beams 2 and vertical connecting beams 3, and an auxiliary beam 16 is welded between the two longitudinal beams 2 above the trolley structure frame, so that a structure shaped like a Chinese character 'mu' is formed among the cross beam 1, the longitudinal beams 2 and the auxiliary beam 16. All be equipped with connection steel sheet 4 between crossbeam 1 and longeron 2 and vertical tie-beam 3, be equipped with the screw hole on connection steel sheet 4, make and all can dismantle through the bolt and be connected between crossbeam 1 and longeron 2 and the vertical tie-beam 3. The crossbeam 1, the longitudinal beam 2 and the vertical connecting beam 3 are all H-shaped steel, and the auxiliary beam 16 is a concave channel steel.
The steel form assembly comprises a combined steel form I14 and a combined steel form II 15 which are oppositely arranged, and a concave steel form 5 arranged above the outer side of the combined steel form II 15. The combined steel template I14 comprises a supporting template 6 formed by concave channel steel and a blocking template 7 formed by rectangular square steel and arranged on the outer side above the supporting template 6; the structure of the combined steel template II 15 is consistent with that of the combined steel template I14.
The template adjusting assembly comprises a plurality of vertical pull rods 13 and a plurality of transverse pull rods 12; the top ends of the vertical pull rods 13 are fixedly connected with an auxiliary beam 16 on the trolley structural frame, and the bottom ends of the vertical pull rods are respectively connected with the combined steel formwork and the concave steel formwork 5; the combined steel template I14 is connected with the combined steel template II 15 through the transverse pull rod 12, and the concave steel template 5 is connected with a bottom baffle plate of the trolley structural frame through the transverse pull rod 12. The vertical pull rod 13 and the transverse pull rod 12 are consistent in structure and respectively comprise a rotating sleeve 17, an upper threaded rod 18 and a lower threaded rod 19 which are respectively in threaded connection with two ends of the rotating sleeve 17, the upper end of the upper threaded rod 18 is connected with an auxiliary beam 16, and the bottom of the lower threaded rod 19 is connected with a steel formwork assembly; a safety zone 20 without threads is arranged at the middle position in the rotating sleeve 17, internal threads with opposite thread turning directions are respectively arranged at the upper side and the lower side of the safety zone 20, and the thread turning directions of the upper threaded rod 18 and the lower threaded rod 19 are also opposite.
The same ends of two beams 1 positioned below the trolley structure frame are respectively provided with a mounting groove 9, a walking wheel 8 is arranged in the mounting groove 9, and the bottom of the other end of the beam 1 is also provided with a walking wheel 8. The trolley is convenient to move.
The sight direction of the trolley in the figure 1 is the tunnel excavation direction, the right side of the trolley is adjacent to one side of the tunnel arch part, and the left side of the trolley is close to the center of the tunnel.
Example 2
A construction method of a mold tunnel sewage disposal diversion canal comprises the following steps:
(1) excavating a groove of a single tunnel bottom plate, and placing a trolley on the groove, so that a travelling wheel 8 at one end of the trolley is lapped on a bottom plate 10 which is poured at the previous side, and a travelling wheel 8 at the other end of the trolley is lapped at the bottom of the tunnel to be poured outside the groove;
(2) rotating the rotating sleeves 17 on all the vertical pull rods 13, and adjusting the length of the vertical pull rods 13 so as to adjust the vertical height of the combined steel template I14 and the combined steel template II 15; the distance between the combined steel template I14 and the combined steel template II 15 is adjusted by rotating a rotating sleeve 17 on a transverse pull rod 12 between the combined steel template I14 and the combined steel template II 15, so that the combined steel template I14 and the combined steel template II 15 are positioned at set positions; rotating a rotating sleeve 17 on the transverse pull rod 12 between the concave steel template 5 and the trolley structural frame so as to adjust the distance between the combined steel template II 15 and the concave steel template 5;
(3) pouring concrete between the groove and the trolley to form a bottom plate 10 integrated with the ditch 11, and removing the formwork after the formwork removing condition is achieved; the combined steel formwork I14, the combined steel formwork II 15 and the concave steel formwork 5 are separated from the tunnel bottom plate 10 by retracting the transverse pull rod 12 and the vertical pull rod 13; the vertical pull rod 13 is continuously retracted until the steel formwork component is higher than the travelling wheels 8;
(4) and repeating the steps in sequence to finish the pouring of the whole tunnel bottom plate 10.
The invention is further explained as follows:
trolley assembly
The trolley structure frame is formed by connecting a cross beam 1, a longitudinal beam 2, a vertical connecting beam 3 and an auxiliary beam 16. Connecting steel plates 4 are welded at connecting parts among the cross beam 1, the longitudinal beam 2 and the vertical connecting beam 3, and the structures of the connecting steel plates 4 are consistent. The connecting steel plate 4 is provided with bolt holes so as to realize bolt connection between the beams.
The cross beam 1 is connected with the longitudinal beam 2 through bolts, the auxiliary beam 16 is connected with the longitudinal beam 2 through a welding mode, and the cross beam 1, the longitudinal beam 2 and the auxiliary beam 16 form a frame structure shaped like a Chinese character 'mu'.
One end of a vertical pull rod 13 is connected with an auxiliary beam 16, the other end of the vertical pull rod is respectively connected with the concave steel template 5 and the combined steel templates I14 and II, and the vertical height of the steel templates is suspended and adjusted through the vertical pull rod 13; and a transverse pull rod 12 between the combined steel template I14 and the combined steel template II 15 is used for adjusting the distance between the two supporting templates 6. A transverse pull rod 12 between the trolley structural frame and the concave steel template 5 is used for adjusting the transverse position between the concave steel template 5 and the combined steel template II 15; the concave steel templates 5 are matched with the combined steel templates I14 and II for use, the internal outline of the water channel 11 is molded, the section of the water channel 11 after the template removal is ensured to be T-shaped, and the square steel blocking templates 7 on the combined steel templates I14 and II mold the cover plate placing space of the water channel 11.
(II) vertical mould
The trolley is assembled according to the above mode, the vertical widths of the combined steel templates I14 and II and the concave steel template 5 are determined according to the cross section size of the water channel, and the length of the steel templates is determined according to the length of the single bottom plate 10 of the tunnel. The vertical pull rod 13 is used for adjusting the vertical position of the combined steel template and the concave steel template 5 and is matched with the transverse pull rod 12 for use, so that the inner contour of the water channel molded by the combined steel template and the concave steel template 5 meets the design requirement. The relative position between the combined steel templates I14 and II is adjusted by the transverse pull rod 12, the distance between the two supporting templates 6 is ensured to meet the design requirement of the inner contour width of the water channel 11, and the distance between the concave steel template 5 and the combined steel template II 15 is adjusted by the transverse pull rod 12, so that the design requirement is met. In addition, the vertical pull rods 13 and the transverse pull rods 12 are used for fixing and supporting the combined steel formworks I14 and II and the concave steel formwork 5, so that the looseness of the combined steel formworks I14 and II and the concave steel formwork 5 is avoided.
(III) removing the form
After the tunnel bottom plate 10 is poured and the stripping condition is met, aiming at the concave steel template 5, firstly, the concave steel template 5 is separated from the tunnel bottom plate 10 by using the transverse pull rod 12 connected with the concave steel template, and the concave steel template 5 is lifted by using the vertical pull rod 13 connected with the concave steel template; aiming at the combined steel template, the transverse pull rod 12 connected with the combined steel template is utilized to separate the combined steel template I14 and II from the tunnel bottom plate 10, and the vertical pull rod 13 connected with the combined steel template I14 and II is utilized to lift the combined steel template I14 and II until the supporting template 6 does not influence the walking of the trolley.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A trolley for molding a tunnel sewage disposal diversion canal is characterized by comprising a trolley structural frame, a steel template assembly and a template adjusting assembly; the steel template assembly comprises a combined steel template I and a combined steel template II which are oppositely arranged, and a concave steel template arranged above the outer side of the combined steel template II; the template adjusting assembly comprises a plurality of vertical pull rods and a plurality of transverse pull rods; the top end of the vertical pull rod is connected with the upper part of the trolley structural frame, and the bottom end of the vertical pull rod is connected with the combined steel formwork or the concave steel formwork; the combined steel formwork I and the combined steel formwork II are connected through a transverse pull rod, and the concave steel formwork and a bottom baffle plate of the trolley structural frame are also connected through the transverse pull rod.
2. The trolley for the modular tunnel sewage disposal diversion canal of claim 1, wherein said trolley structural frame is a rectangular cage structure composed of cross beams, longitudinal beams and vertical connecting beams.
3. The trolley according to claim 2, wherein an auxiliary beam is welded between the two longitudinal beams above the trolley structural frame, so that the cross beam, the longitudinal beams and the auxiliary beam form a structure shaped like a Chinese character 'mu'.
4. The trolley according to claim 2, wherein connecting steel plates are arranged between the cross beam and the longitudinal beam and between the cross beam and the vertical connecting beam, and threaded holes are formed in the connecting steel plates, so that the cross beam and the longitudinal beam are detachably connected with the vertical connecting beam through bolts.
5. The trolley for the modular tunnel sewage disposal diversion canal of claim 2, wherein the cross beams, the longitudinal beams and the vertical connecting beams are all H-shaped steel, and the auxiliary beams are concave channel steel.
6. The trolley for the modular tunnel sewage disposal diversion canal of claim 1, wherein the combined steel formwork I comprises a supporting formwork formed by concave channel steel and a blocking formwork formed by rectangular square steel and arranged on the outer side above the supporting formwork; and the structure of the combined steel template II is consistent with that of the combined steel template I.
7. The trolley according to claim 1, wherein a mounting groove is provided at one end of the cross member below the trolley structural frame, a traveling wheel is provided in the mounting groove, and a traveling wheel is provided at the bottom of the other end of the cross member.
8. The trolley for the modular tunnel sewage disposal diversion canal of claim 3, wherein the vertical tie rod and the horizontal tie rod have the same structure, and each of the vertical tie rod and the horizontal tie rod comprises a rotary sleeve, an upper threaded rod and a lower threaded rod, the upper threaded rod and the lower threaded rod are respectively in threaded connection with two ends of the rotary sleeve, the upper end of the upper threaded rod is connected with the auxiliary beam, and the bottom of the lower threaded rod is connected with the steel formwork assembly; the middle position department is equipped with the safe district that does not set up the screw thread in rotatory sleeve the upper and lower both sides in safe district are equipped with the opposite internal thread of screw thread turning respectively, just go up the screw thread turning of threaded rod and threaded rod down and also opposite.
9. A construction method for a mold tunnel sewage disposal diversion canal is characterized by comprising the following steps:
(1) excavating a groove of a single tunnel bottom plate, placing the trolley of any one of claims 1-8 on the groove, and enabling a travelling wheel at one end of the trolley to be lapped on the upper poured bottom plate and a travelling wheel at the other end to be lapped on the bottom of the tunnel to be poured outside the groove;
(2) rotating the rotating sleeves on all the vertical pull rods, and adjusting the length of each vertical pull rod, so that the vertical heights of the combined steel template I and the combined steel template II are adjusted; adjusting the distance between the combined steel template I and the combined steel template II by rotating a rotating sleeve on a transverse pull rod between the combined steel template I and the combined steel template II to enable the combined steel template I and the combined steel template II to be located at set positions; rotating a rotating sleeve on a transverse pull rod between the concave steel template and the trolley structural frame so as to adjust the distance between the combined steel template II and the concave steel template;
(3) pouring concrete between the groove and the trolley to form a bottom plate integrated with the ditch, and removing the form after the form removing condition is achieved; the combined steel template I, the combined steel template II and the concave steel template are separated from the tunnel bottom plate by retracting the transverse pull rod and the vertical pull rod; the vertical pull rod is continuously retracted until the steel formwork component is higher than the travelling wheel;
(4) and repeating the steps in sequence to finish the pouring of the whole tunnel bottom plate.
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| CN202110771276.XA CN113266400B (en) | 2021-07-08 | 2021-07-08 | Trolley for constructing tunnel sewage-cleaning diversion ditch and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114592889A (en) * | 2022-05-11 | 2022-06-07 | 河北东风世景轨道有限公司 | Arch self-bearing type formwork for tunnel concrete construction pouring |
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| US20150211205A1 (en) * | 2014-01-29 | 2015-07-30 | Guangzhou Jishi Construction Group Co., Ltd. | Construction system for subway station |
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| CN207406351U (en) * | 2017-09-13 | 2018-05-25 | 中交隧道工程局有限公司 | A kind of integral type easily moves tunnel Central drain mould bases |
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| CN112160770A (en) * | 2020-09-16 | 2021-01-01 | 中铁三局集团有限公司 | Tunnel reinforced concrete center ditch construction equipment and construction method thereof |
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| CN114592889A (en) * | 2022-05-11 | 2022-06-07 | 河北东风世景轨道有限公司 | Arch self-bearing type formwork for tunnel concrete construction pouring |
| CN114592889B (en) * | 2022-05-11 | 2022-07-08 | 河北东风世景轨道有限公司 | Arch-shaped self-bearing type formwork for tunnel concrete construction pouring |
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