CN111809660A - Comprehensive pipe gallery rectangular trolley and construction method - Google Patents
Comprehensive pipe gallery rectangular trolley and construction method Download PDFInfo
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- CN111809660A CN111809660A CN202010635278.1A CN202010635278A CN111809660A CN 111809660 A CN111809660 A CN 111809660A CN 202010635278 A CN202010635278 A CN 202010635278A CN 111809660 A CN111809660 A CN 111809660A
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- template
- supporting structure
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- trolley
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/02—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for rooms as a whole by which walls and floors are cast simultaneously, whole storeys, or whole buildings
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- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mechanical Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a comprehensive pipe gallery rectangular trolley and a construction method, wherein the comprehensive pipe gallery rectangular trolley comprises an internal supporting structure, the top of the internal supporting structure is connected with a cross beam through a bolt, two sides of the internal supporting structure are respectively connected with an upright post through a hydraulic telescopic system, two ends of the cross beam are respectively hinged with the top end of the upright post, the bottom of the internal supporting structure is connected with a hydraulic lifting system and a traveling system, and the hydraulic lifting system is positioned on two sides of the traveling system; the top of crossbeam is equipped with the top template, the outside of stand is equipped with the side wall template. The rectangular trolley for the comprehensive pipe gallery depends on the template through the internal supporting structure, adopts the hydraulic lifting system and the combined traveling system, realizes the quick construction of the secondary lining of the underground excavated comprehensive pipe gallery, and has the advantages of high efficiency, high assembling speed, low safety risk, simple operation, easy control, high construction quality and precision, low labor consumption for assembling, disassembling and carrying, low cost and the like.
Description
Technical Field
The invention relates to the technical field of underground excavation comprehensive pipe gallery two-lining construction, in particular to a comprehensive pipe gallery rectangular trolley and a construction method.
Background
With the development of underground space in China and the continuous deep research on urban underground comprehensive pipe galleries at home and abroad, the construction of the comprehensive pipe gallery is comprehensively planned and implemented in urban construction, and the comprehensive pipe gallery is an important infrastructure for guaranteeing urban operation. Because the utility tunnel is not suitable for being built by stages, the engineering quantity is large, the one-time investment cost is too high, particularly, when the urban area is built, the open cut construction can interfere the ground traffic and the removal of the buildings, the engineering difficulty is large, and the cost is high.
The traditional pipe gallery two-lining construction method mainly adopts open cut cast-in-place, the cross section is mostly square, a bottom plate is poured firstly, then an inner mold support is erected, at present, a full-hall support is mainly adopted, after steel bars are bound, an outer mold is reinforced, and side walls and a top plate are poured at one time.
The traditional pipe gallery second lining construction method has the following defects: 1) the loss of the template and the batten is large, and the turnover frequency is low; 2) the field operation amount is large, the turnover workload of materials in a flowing water section is large, and the labor force demand is high; 3) the mechanization degree is low, and the construction period is long; 4) the difficulty of quality control is high; 5) a large amount of square timbers and templates are stacked on site, and the safety risk is high.
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a comprehensive pipe gallery rectangular trolley and a construction method, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a comprehensive pipe gallery rectangular trolley comprises an internal supporting structure, wherein the top of the internal supporting structure is connected with a cross beam through a bolt, two sides of the internal supporting structure are respectively connected with an upright post through a hydraulic telescopic system, two ends of the cross beam are respectively hinged with the top end of the upright post, the bottom of the internal supporting structure is connected with a hydraulic lifting system and a traveling system, and the hydraulic lifting system is positioned on two sides of the traveling system; the top of crossbeam is equipped with the top template, the outside of stand is equipped with the side wall template.
Furthermore, two ends of the hydraulic telescopic system are respectively movably connected with two sides of the internal supporting structure and the inner side of the upright post.
Further, the internal support structure is square.
Further, a corner support is arranged in the inner supporting structure.
Furthermore, the walking system is the walking wheels which are symmetrically distributed at the bottom of the internal supporting structure.
According to another aspect of the invention, a construction method of the comprehensive pipe rack rectangular trolley is provided, which comprises the following steps:
s1, after the comprehensive pipe gallery bottom plate concrete is poured in advance and reaches the design strength, the concrete surface is measured, set-off and positioned, a walking track is paved on the bottom plate concrete, the walking track is smooth and straight and is firmly installed, and the distance is just matched with a trolley walking system;
s2, splicing a comprehensive pipe gallery rectangular trolley in a hole, wherein an internal supporting structure is of an I-shaped steel square structure, is longitudinally connected by channel steel reinforcement, a cross beam is directly connected with the internal supporting structure by bolts, and a stand column is connected with the internal supporting structure by a hydraulic telescopic system;
s3: after the side wall and top plate steel bars are bound, moving the comprehensive pipe gallery rectangular trolley in place, locking a system (walking wheels), painting template paint, lifting the whole trolley by using a jack, determining the elevation of a top template by matching with a measurer, adjusting the positions of left and right side wall templates by using a hydraulic telescopic system, and fixing the plug template firmly by using a wood template and matching with distribution ribs;
and S4, demolding, trolley advancing, concrete pouring, curing for a certain time to achieve a demolding condition, and then template dismantling and advancing.
Further, the walking track is a light rail of 38 kg/m.
Further, the thickness of the plugging template is 50 mm.
The invention has the beneficial effects that: the rectangular trolley for the comprehensive pipe gallery depends on the template through the internal supporting structure, adopts the hydraulic lifting system and the combined walking system, realizes the quick construction of the secondary lining of the underground excavated comprehensive pipe gallery, and has the advantages of high efficiency, high assembling speed, low safety risk, simple operation, easy control, high construction quality and precision, low labor consumption for assembling, disassembling and carrying, low cost and the like; the comprehensive pipe gallery rectangular trolley disclosed by the invention is flexible and convenient to operate, free to walk and good in overall rigidity, the trolley can walk more conveniently through the walking system arranged at the bottom, the trolley can integrally move during construction of the same section, and a large number of templates and trolley repeated assembly during construction of tunnels of adjacent sections can be saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic plan view of a running rail and a rectangular trolley for a comprehensive pipe rack according to an embodiment of the invention;
FIG. 2 is a schematic plan view of a utility tunnel rectangular trolley according to an embodiment of the present invention in the track direction;
FIG. 3 is a schematic plan view of an enlarged section of a rectangular trolley for a utility tunnel according to an embodiment of the invention;
in the figure: 1. internal support structure, 2, crossbeam, 3, hydraulic telescoping system, 4, stand, 5, hydraulic lifting system, 6, traveling system, 7, top template, 8, side wall template, 9, angle brace.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1-3, the utility tunnel rectangular trolley according to the embodiment of the invention comprises an internal supporting structure 1, wherein the top of the internal supporting structure 1 is connected with a cross beam 2 through bolts, two sides of the internal supporting structure 1 are respectively connected with a stand column 4 through a hydraulic telescopic system 3, two ends of the cross beam 2 are respectively hinged with the top end of the stand column 4, the bottom of the internal supporting structure 1 is connected with a hydraulic lifting system 5 and a traveling system 6, and the hydraulic lifting system 5 is located on two sides of the traveling system 6; the top of crossbeam 2 is equipped with top template 7, the outside of stand 4 is equipped with side wall template 8. The two ends of the hydraulic telescopic system 3 are respectively movably connected with the two sides of the internal supporting structure 1 and the inner sides of the stand columns 4, the internal supporting structure 1 is square, and corner supports 9 are arranged in the internal supporting structure 1. The walking system 6 is walking wheels symmetrically distributed at the bottom of the internal supporting structure 1.
The construction method of the comprehensive pipe gallery rectangular trolley comprises the following steps:
s1, paving the walking tracks, after the concrete of the bottom plate of the comprehensive pipe gallery is poured in advance and reaches the design strength, measuring, paying off and positioning the concrete surface, paving the walking tracks on the concrete of the bottom plate, wherein the walking tracks are smooth and straight and are firmly installed, and the distance is just matched with the trolley walking system, as shown in figure 1. The bottom of the two sides of the trolley is provided with 4 walking wheels which are symmetrically arranged below the bottom longitudinal beam of the single-section trolley. The diameter of the walking wheel is 300, and the walking track is a light rail of 38 kg/m.
S2, assembling a rectangular trolley of the comprehensive pipe gallery in the hole, wherein the internal supporting structure of the trolley adopts a 22a I-shaped steel square structure, two corner supports and one butt support are used in the middle of the trolley, and channel steel is longitudinally adopted for reinforcing connection. The template frame body is supported by 22a I-steel, consists of a cross beam and two upright posts and is connected by an oval hinge. The crossbeam directly adopts bolted connection with inside to support, uses hydraulic telescoping system to contact between stand and the inside bearing structure, and swing joint is adopted at hydraulic telescoping system both ends. After the trolley main truss is installed, debugging before use is carried out, wherein the debugging comprises walking, hydraulic pressure, a screw rod piece, inner side template folding and unfolding and top die lifting system overall debugging.
S3, positioning the rectangular trolley of the comprehensive pipe gallery, and moving the trolley to the designed position along the rail after the side wall and the top plate steel bars are bound. Adjusting a screw rod and a braking device at the bottom of the trolley, locking a walking wheel, painting template paint, starting a hydraulic lifting system (a hydraulic pump supporting system), lifting the whole trolley, and determining the elevation and the central position of the template by matching with measuring personnel. If the elevation and the center line position have deviation, the hydraulic system is used for local adjustment. The plug template adopts a 50mm thick wood pattern, and is matched with the distribution ribs to be fixed firmly. The control is mainly as follows: the trolley is lifted synchronously and symmetrically, and the positions of the top template and the side die are matched with the measurement and accurate positioning. Note that: the plug die is firmly reinforced to prevent the die from expanding due to overlarge pressure during concrete pouring.
S4, demolding the rectangular trolley of the comprehensive pipe gallery and advancing the trolley, finishing concrete pouring, and dismantling and advancing the template after curing for a certain time to reach a demolding condition. And (3) removing the internal screw rod mould jacking system, unlocking the protective device of the side wall combined steel template positioned at the hinge part, starting the hydraulic telescopic system (lateral hydraulic system), slowly withdrawing the oil cylinder, and slowly putting down the side wall steel template under the driving of the hinge. And (5) similarly, the top screw rod die ejecting system is disassembled, a hydraulic lifting system (a die ejecting hydraulic system) is started, and the top die is lowered. And after all the trolley is recovered, checking whether the inner side mould and the outer side mould are separated from the concrete wall, dismantling all the opposite tension rod rods and separating the top mould from the top plate, checking whether barriers such as materials for blocking the trolley to advance exist around the trolley, starting a traveling system after cleaning is finished, and slowly moving the trolley to the next construction working face.
In conclusion, by means of the technical scheme, the quick construction of the secondary lining of the underground excavation comprehensive pipe gallery is realized by relying on the template through the internal supporting structure, adopting the hydraulic lifting system and the combined walking system; the comprehensive pipe gallery rectangular trolley is flexible and convenient to operate, free to walk and good in overall rigidity, can integrally move during construction of the same section, and can greatly save repeated assembly of templates and trolleys during construction of tunnels of adjacent sections; when carrying out the template and setting up and demolising, adopt hydraulic cylinder's flexible control template position, it is comparatively easy in the adjustment process, during concrete placement, adopt screw rod as the template support, also can assemble fast in heterotypic section, increase the connecting rod utensil and reduce heterotypic section material cost under the cooperation of telescopic joint.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a utility tunnel rectangle platform truck, characterized in that, includes internal support structure (1), the top of internal support structure (1) is passed through the bolt and is connected with crossbeam (2), the both sides of internal support structure (1) are connected with stand (4) through hydraulic telescoping system (3) respectively, the both ends of crossbeam (2) are articulated with the top of stand (4) respectively, the bottom of internal support structure (1) is connected with hydraulic lifting system (5), traveling system (6), hydraulic lifting system (5) are located the both sides of traveling system (6); the top of crossbeam (2) is equipped with top template (7), the outside of stand (4) is equipped with side wall template (8).
2. The utility tunnel rectangular trolley according to claim 1, characterized in that the two ends of the hydraulic telescoping system (3) are movably connected with the two sides of the internal support structure (1) and the inner sides of the columns (4), respectively.
3. The utility tunnel rectangular trolley according to claim 1, characterized in that the internal support structure (1) is square.
4. Utility tunnel rectangular trolley according to claim 3, characterized in that inside the internal supporting structure (1) there are corner supports (9).
5. The utility tunnel rectangular trolley according to claim 1, characterized in that the walking system (6) is walking wheels symmetrically distributed at the bottom of the internal support structure (1).
6. A construction method of the utility tunnel rectangular trolley according to any one of claims 1 to 5, characterized by comprising the following steps:
s1, after the comprehensive pipe gallery floor plate concrete is poured in advance and reaches the design strength, measuring, setting out and positioning on the concrete surface, and paving a walking track on the floor plate concrete;
s2, splicing a comprehensive pipe gallery rectangular trolley in a hole, wherein an internal supporting structure is of a square structure and is longitudinally connected by channel steel in a reinforced mode, a cross beam is directly connected with the internal supporting structure by bolts, and a stand column is connected with the internal supporting structure by a hydraulic telescopic system;
s3: after the side wall and top plate steel bars are bound, moving the comprehensive pipe gallery rectangular trolley in place, locking a system, painting template paint, lifting the whole trolley, determining the elevation of a top template by matching with measuring personnel, adjusting the positions of left and right side wall templates by using a hydraulic telescopic system, and fixing a plug template firmly by matching with distribution ribs by using a wood template;
and S4, demolding, trolley advancing, concrete pouring, curing for a certain time to achieve a demolding condition, and then template dismantling and advancing.
7. The construction method according to claim 6, wherein the running rail is a 38kg/m light rail.
8. The construction method according to claim 6, wherein the plug template has a thickness of 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635278.1A CN111809660A (en) | 2020-07-03 | 2020-07-03 | Comprehensive pipe gallery rectangular trolley and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010635278.1A CN111809660A (en) | 2020-07-03 | 2020-07-03 | Comprehensive pipe gallery rectangular trolley and construction method |
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| CN111809660A true CN111809660A (en) | 2020-10-23 |
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| CN202010635278.1A Pending CN111809660A (en) | 2020-07-03 | 2020-07-03 | Comprehensive pipe gallery rectangular trolley and construction method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727089A (en) * | 2020-12-29 | 2021-04-30 | 海门市帕源路桥建设有限公司 | Automatic calibrating machine for bottom plate low wall formwork |
| CN114875969A (en) * | 2022-06-21 | 2022-08-09 | 中铁大桥局第九工程有限公司 | Integrated construction method for open-cut cast-in-place underground comprehensive pipe gallery movable bench formwork |
| CN115354687A (en) * | 2022-08-31 | 2022-11-18 | 中铁三局集团有限公司 | Liftable rail wheel shaping steel mould supporting system for large-section open cut tunnel |
-
2020
- 2020-07-03 CN CN202010635278.1A patent/CN111809660A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727089A (en) * | 2020-12-29 | 2021-04-30 | 海门市帕源路桥建设有限公司 | Automatic calibrating machine for bottom plate low wall formwork |
| CN112727089B (en) * | 2020-12-29 | 2022-04-29 | 海门市帕源路桥建设有限公司 | Automatic calibrating machine for bottom plate low wall formwork |
| CN114875969A (en) * | 2022-06-21 | 2022-08-09 | 中铁大桥局第九工程有限公司 | Integrated construction method for open-cut cast-in-place underground comprehensive pipe gallery movable bench formwork |
| CN115354687A (en) * | 2022-08-31 | 2022-11-18 | 中铁三局集团有限公司 | Liftable rail wheel shaping steel mould supporting system for large-section open cut tunnel |
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