CN109972655B - Prefabricated pipe gallery mechanical and hydraulic combined type integrally-installed and disassembled steel template and installation method - Google Patents
Prefabricated pipe gallery mechanical and hydraulic combined type integrally-installed and disassembled steel template and installation method Download PDFInfo
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- CN109972655B CN109972655B CN201810702082.2A CN201810702082A CN109972655B CN 109972655 B CN109972655 B CN 109972655B CN 201810702082 A CN201810702082 A CN 201810702082A CN 109972655 B CN109972655 B CN 109972655B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 155
- 239000010959 steel Substances 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 title claims abstract description 19
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 19
- 239000004567 concrete Substances 0.000 claims description 21
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 238000013461 design Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 21
- 239000002023 wood Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 12
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- -1 heat supply Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- 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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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
A prefabricated pipe gallery mechanical and hydraulic combined type integrally-installed and disassembled steel template and an installation method are provided, wherein an outer die steel pulley matched on an outer die steel track is installed below an outer support truss of an outer die support system. The inner mold steel template of the inner mold supporting system comprises a top mold, a side mold and a lower chamfer mold which are hinged into a whole; the first mechanical spiral telescopic device of the internal mold installing and detaching system is connected with the vertical frame body and the side mold, the second mechanical spiral telescopic device is arranged on the vertical frame body, and the third mechanical spiral telescopic device is connected with the side mold and the lower chamfer mold; the hand-pulling block is characterized by further comprising a hand-pulling block, one end of which is fixed on the side die, and the other end of which hooks the lower reverse die when the side die is removed from the die. The construction of the mounting and dismounting steel template can solve the technical problems that a standard precast reinforced concrete box component bottom plate and a wall top plate cannot be integrally cast and formed once by using a chamfering steel die and wood die system and a common steel template, the template joint is not tight, the template mounting and dismounting size precision is not high, the template is difficult to mount and dismount, the template is easy to deform, the large-scale mechanical matching template is required, and the like.
Description
Technical Field
The invention relates to a prefabricated pipe gallery structural body integral cast-in-situ steel template system, which can solve the technical problems that a standard prefabricated reinforced concrete box-shaped component bottom plate and a wall top plate cannot be integrally cast and formed at one time by using an angle steel mould and wood mould system and a common steel template, the template is not tight in splice joint, the template mounting dimensional accuracy is not high, the template is difficult to mount and dismount, the template is easy to deform, large-scale mechanical matching template mounting is required, and the like. The invention is applicable to the construction of prefabricated reinforced concrete box-shaped components.
Background
The utility tunnel is the utility tunnel of the underground city pipeline. The novel space structure is built underground, various engineering pipelines of electric power, communication, fuel gas, heat supply, water supply and drainage and the like are integrated, unified planning, unified design, unified construction and management are implemented, and the novel space structure is widely implemented and used in various large and medium cities in China. The national importance is paid to the promotion of the construction of the urban underground comprehensive pipe rack, and the comprehensive pipe rack is used as an effective means and a green development mode for the development and utilization of urban underground space, has the advantages of intensive resources, long service life, high safety performance, good environmental benefit, convenient and fast pipeline operation and maintenance and the like, becomes an important infrastructure for guaranteeing the urban operation, and is called as a 'life line of the city'.
At present, the main installation methods of the prior domestic comprehensive pipe rack comprise a cast-in-situ method and a prefabricated method, a large amount of materials such as templates, scaffolds and the like are often needed in the conventional cast-in-situ mode, a large amount of manual and mechanical cooperation operation is needed, the structural appearance quality, the waterproof performance and the embedded part position are not easy to ensure in the construction process, and the safety risk management and control factors are more in the construction process; the integral assembly of the prefabricated pipe gallery is limited by construction sites, has higher requirements on hoisting and transportation, and has general waterproof performance.
As described above, the existing utility tunnel installation method has the disadvantages of long construction period, large resource investment and high cost, and does not meet the green construction advocated by the nation, so that the research on the utility tunnel structure installation method which is suitable for cast-in-situ or prefabricated utility tunnels in any multi-cabin form and meets the requirements of limited working environment, tight construction period and high environmental protection becomes a serious problem in promoting the development of the utility tunnels.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a prefabricated pipe gallery mechanical and hydraulic combined integral mounting and dismounting steel template and a mounting method, wherein the mounting and dismounting steel template can solve the technical problems that a standard prefabricated reinforced concrete box component bottom plate and a wall top plate cannot be integrally cast and formed at one time by using a chamfering steel die and wood die system and a common steel template, a template seam is not tight, the template mounting dimensional accuracy is not high, the template mounting and dismounting is difficult, the template is easy to deform, large-scale mechanical matching template mounting is required and the like.
The invention adopts the following technical scheme:
A prefabricated pipe gallery mechanical and hydraulic combined integral mounting and dismounting steel template comprises an outer mold supporting system, an inner mold supporting system and a reinforced concrete pedestal; the outer mold support system comprises a support frame body and an outer mold steel mold plate which are connected into a whole; the support frame body comprises an outer support truss and a moving device, the moving device comprises an outer die steel pulley and an outer die steel rail, the outer die steel pulley is arranged below the outer support truss and slides on the outer die steel rail, and the outer die steel rail is arranged on two sides of the reinforced concrete pedestal; the outer die steel template is fixedly connected with the outer support truss; the internal mold supporting system comprises an internal mold installing and detaching system and an internal mold steel template which are connected into a whole; the inner mold steel template comprises a top mold, a side mold and a lower chamfer mold which are hinged into a whole, wherein one end of the side mold is hinged with the top mold, and the other end of the side mold is hinged with the lower chamfer mold; the internal mold mounting and dismounting system comprises a vertical frame body, a hand hoist, a first mechanical spiral telescopic device, a second mechanical spiral telescopic device and a third mechanical spiral telescopic device, wherein the vertical frame body is fixedly connected with an internal mold steel template, the vertical frame body is provided with a hydraulic jack and an internal mold steel pulley, and an internal mold steel rail is paved at a corresponding position below the internal mold steel pulley; the first mechanical spiral telescopic device is connected with the side dies of the vertical frame body and the inner die steel template, the second mechanical spiral telescopic device is arranged on the vertical frame body, and the third mechanical spiral telescopic device is connected with the side dies and the lower chamfer die; one end of the chain block is fixed on the side die, and the other end hooks the lower reverse die during demolding.
The steel template is integrally installed and disassembled in the mechanical and hydraulic combined mode of the prefabricated pipe gallery, the outer mold supporting system further comprises a safety protection steel pipe 4, and the safety protection steel pipe is erected and fixed above the outer supporting truss.
The prefabricated pipe gallery mechanical and hydraulic combined integral mounting and dismounting steel template comprises the side template body, wherein the side template body is connected into a whole, the side template body is bent at a certain angle to form an upper chamfer template, two ends of the top template are respectively hinged to the upper chamfer template, and the lower part of the side template body is hinged to the chamfer template.
A method for installing and disassembling a steel template integrally by combining a prefabricated pipe gallery with a machine and hydraulic pressure comprises the following steps:
Step one, after the installation of the wall bottom plate steel bars is completed, paving the inner die steel rail, and integrally pushing the inner die steel rail into an inner die supporting system;
step two, lifting the internal mold supporting system to a design position by using a hydraulic jack;
step three, rotating the second mechanical spiral telescopic device to be tightly supported with the inner die steel rail, and fixing side dies on two sides to a designed position by rotating the first mechanical spiral telescopic device;
fourthly, fixing the lower chamfer mould and the side mould to a design position by rotating a third mechanical spiral telescopic device;
Fifthly, after the internal mold supporting system is checked and proved to be qualified, top plate reinforcement installation and concrete pouring are carried out, after the strength reaches a design requirement value, a third mechanical spiral telescopic device is unscrewed, then a hand hoist is used for hooking a chamfer mold to pull a chamfer mold to lift the chamfer mold off a concrete surface, then a first mechanical spiral telescopic device is unscrewed to pull a side mold off the concrete surface of a side wall, after the fact that both the side mold and the chamfer mold are separated from the concrete surface is confirmed, a hydraulic jack 13 returns oil and unscrews a second mechanical spiral telescopic device, and a top mold is separated from the concrete surface under the self weight of an internal mold steel template, so that a demoulding process is realized;
step six, finally pushing the internal mold supporting system to be installed along the internal mold steel rail to the next working surface; and step seven, when the cast structure is detachable, pushing the outer support truss to integrally move the outer mold support system on the track to enter a preset position of the structure of the next mold, wherein the outer mold is required to be installed, so that the template installation of the next structure is completed.
From the above description of the present invention, it is apparent that the present invention has the following compared with the prior art
The beneficial effects are that:
(1) The steel template of the invention connects the outer support truss, the safety protection steel pipe and the outer die steel template into a whole in the outer die support system, compared with the construction of the common steel template, the steel template can save materials and does not need repeated installation and disassembly;
(2) Meanwhile, the moving device which is provided with the outer die steel pulley and the outer die steel rail can integrally move along the outer die steel rail to the next working surface for installation, compared with the common steel template which has a great weight and needs a crane or a gantry crane for hoisting, the moving device can realize considerable benefits in safety and economy;
(3) The internal mold support system connects the internal mold mounting and dismounting system and the internal mold steel template together, compared with the common internal mold construction, the internal support frame and the internal mold steel template do not need to be repeatedly mounted and dismounted in the construction process;
(4) The internal mold supporting system is combined with the mechanical spiral telescopic device and the hydraulic jack to realize the integral construction of the internal mold assembly and disassembly, solve the difficult problem of the assembly and disassembly of the common steel internal mold, improve the assembly and disassembly construction efficiency of Gao Namo, realize the high precision of the clearance size of the prefabricated gas cabin, and avoid the slurry leakage phenomenon caused by the uncompacted joint of the common internal mold and the staggered platform phenomenon caused by the joint height difference;
(5) The moving device consisting of the inner die steel rail and the inner die steel pulley is arranged in the inner die supporting system, so that the integral movement of the inner die supporting system is realized, and only the next working face needs to be pushed in along the inner die steel rail manually for installation;
(6) The reinforced concrete pedestal adopts the setting of length more than 24m, can provide the prefabricated gas cabin working face of preparation more than three, combines mobile device can realize the line production.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a cross-sectional view of the whole structure of a mechanical and hydraulic combined type integrally-assembled and disassembled steel template of a prefabricated pipe gallery gas cabin;
FIG. 2 is a schematic side view of an internal mold mounting and dismounting system of the internal mold support system of the present invention;
FIG. 3 is a schematic view of the structure of the outer mold steel form of the present invention;
FIG. 4 is a schematic structural view of the internal mold support system of the present invention;
fig. 5 is a schematic structural view of the reinforced concrete stand of the present invention;
FIG. 6 is a schematic view of the T-shaped frame structure of the internal mold mounting and dismounting system of the present invention;
FIG. 7 is a schematic diagram of the front structure of two ends of the internal mold mounting and dismounting system of the present invention;
FIG. 8 is a schematic diagram of the middle front structure of the in-mold mounting and dismounting system of the present invention;
FIG. 9 is a schematic plan view of an inner mold steel form of the present invention;
FIG. 10 is a schematic diagram of the composition of the internal mold steel form of the present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the claims, specification and drawings of the present invention, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
In the claims, specification and drawings of the present invention, unless explicitly defined otherwise, references to orientation or positional relationship such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. are based on the orientation and positional relationship shown in the drawings and are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should they be construed as limiting the particular scope of the present invention.
In the claims, specification and drawings of the present invention, unless explicitly defined otherwise, the term "fixedly connected" or "fixedly connected" should be construed broadly, i.e. any connection between the two without a displacement relationship or a relative rotation relationship, that is to say includes non-detachably fixedly connected, integrally connected and fixedly connected by other means or elements.
In the claims, specification and drawings of the present invention, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
In the embodiment, the total length of underground comprehensive pipe gallery engineering (North road of circular path) of Xiang Anxin airport sheet area in Xiamen city is 1309.25m, the pipe gallery is divided into a gas cabin and a municipal cabin, the section of the gas cabin is a prefabricated reinforced concrete box-shaped component, the length of each section is 6.0m, and the hanging weight is 35.7t. The clear width is 1.5m, the clear height is 2.6m, and the wall thickness is 25cm. The conventional chamfering steel die and wood die system is adopted, two sides are required to be manufactured, a bottom plate is manufactured firstly, then a wall top plate is manufactured, and the problems that one-time integral cast-in-situ molding, high waterproof requirement of a pipe gallery gas chamber, high apparent quality requirement and the like cannot be solved; through the optimization of the technical scheme, the mechanical and hydraulic combined type integral mounting and dismounting steel template for the prefabricated pipe gallery gas cabin is designed, and the problems are solved.
The application of the present invention in this embodiment will now be described with reference to fig. 1 to 4.
A prefabricated pipe gallery mechanical and hydraulic combined integral mounting and dismounting steel template comprises an outer mold supporting system 1, an inner mold supporting system 2 and a reinforced concrete pedestal 3.
The outer mold supporting system 1 comprises a supporting frame body, a safety protection steel pipe 4 and an outer mold steel mold plate. The outer mold steel mold plate comprises an outer mold steel plate 9, an outer mold secondary keel 10 and an outer mold main keel 18. The outer mold steel plate 9 is made of a steel plate with the thickness of 4mm, the outer mold secondary joist 10 is composed of a plurality of secondary joist supports which are horizontally arranged in parallel, each secondary joist support adopts a single 6.5# channel steel, and the intervals among the secondary joist supports are arranged according to 30 cm; the outer mold main keel 18 is composed of a plurality of main keel brackets which are vertically and parallelly arranged, each main keel bracket is formed by welding two 6.5# channel steel double-splice assemblies into a group, and the intervals among the main keel brackets of each group are arranged according to 1 m; the outer mold secondary joists 10 and the outer mold main joists 18 are welded in a crisscross manner to form a keel frame. The outer die steel plate 9 is firmly welded on the inner side surface of the keel frame, and the outer side surface of the keel frame is firmly welded with the outer support truss 5.
The safety protection steel pipe 4 adopts a phi 48.3 multiplied by 3.5 steel pipe, and the safety protection steel pipe 4 is erected and fixed above the outer support truss 5, so that people can stand on the outer mold truss to discharge and vibrate when concrete is poured.
The support frame body comprises an outer support truss 5 and a moving device. The outer support truss 5 is formed by welding 12cm 8# channel steel; the moving device consists of an outer die steel pulley 7 and an outer die steel rail 6; the outer die steel pulley 7 is installed below the outer support truss 5, and the outer die steel rail 6 is correspondingly paved below the outer die steel pulley 7, so that the outer die steel pulley 7 slides on the outer die steel rail 6, and the outer die steel rail 6 is installed on two sides of the reinforced concrete pedestal 3.
The support frame body, the safety protection steel pipe 4 and the outer die steel template are connected into a whole to form an outer die support system, and repeated installation is not needed in the construction process.
The internal mold supporting system 2 comprises an internal mold mounting and dismounting system 15 and an internal mold steel template. As shown in fig. 2 and 6, the internal mold mounting and dismounting system 15 includes a vertical frame body and first, second and third mechanical screw retractors 11, 17 and 14. The vertical frame body is a T-shaped frame 16 formed by welding 10cm x10cm square steel, a plurality of T-shaped frames 16 are arranged, and triangular steel plates 22 with the axillary angles of 6mm are symmetrically welded under each T-shaped frame 16 so as to ensure the stability of the T-shaped frame. In the embodiment, the T-shaped frames are continuously connected and arranged in the longitudinal direction of the gas tank structure at intervals of 1.5m, two square steel top beams 16A with the total length of 10cm x10cm are symmetrically welded on a horizontal frame 16B of the T-shaped frame 16, and a square steel underframe 16D with the total length of 10cm x10cm is welded below a vertical column frame 16C of the T-shaped frame. .
As shown in fig. 2 and 7, the first mechanical screw expander 11 is hinged to the upright post frame 16C of the T-shaped frame 16 to form a whole, and when the inner mold steel form is reinforced, only the first mechanical screw expander 11 needs to be lifted, then the movable end of the first mechanical screw expander 11 is screwed out to horizontally prop against the side mold 20 of the inner mold steel form, and then screwed, so that the inner mold steel form can be fixed according to the designed size.
As shown in fig. 2 and 7, the hydraulic jacks 13 are mounted to the left and right T-shaped frames 16a and 16b provided at both ends of the inner mold attaching/detaching system 15, and steel plate baffles 31 and 32 are welded between the column frames 16C and the bottom frame 16D of the left and right T-shaped frames 16a and 16b, respectively.
An inner mold steel pulley 27 is arranged under the inner mold mounting and dismounting system 15, an inner mold steel rail 26 is paved at a corresponding position below the inner mold steel pulley 27, and the inner mold steel rail 26 is paved after the wall bottom plate steel bars are mounted. Specifically, the inner mold steel pulley 27 is mounted below the bottom frame 16D of the left and right T-frames 16a, 16 b.
As shown in fig. 2 and 8, a second mechanical screw retractor 17 is welded to the bottom frame 16D of the intermediate T-shaped frame 16c of the inner die attaching/detaching system 15 at a corresponding position. During construction, the movable end of the second mechanical spiral telescopic device 17 is screwed out, so that the second mechanical spiral telescopic device 17 and the inner die steel pulley 27 are on the same horizontal plane, and the second mechanical spiral telescopic device 17 and the inner die steel pulley 27 jointly form a bottom support of the inner die support system. When the concrete pouring is completed and the die can be removed, the second mechanical spiral telescopic device 17 is unscrewed, so that the second mechanical spiral telescopic device 17 is higher than the inner die steel pulley 27, and the whole inner die supporting system can be integrally moved to the next gas tank for construction along the track.
As shown in fig. 4, 9 and 10, the inner mold steel mold plate is composed of a top mold 8, a side mold 20 and a lower chamfer mold 21, the side mold 20 is composed of an upper chamfer mold 20A and a side mold body 20B which are integrally connected, and the side mold body is bent at a certain angle to form the upper chamfer mold 20A. One end of the side mold 20 is hinged to the top mold 8, and the other end of the side mold 20 is hinged to the lower chamfer mold 21. Specifically, two ends of the top mold 8 are respectively hinged to the upper chamfer mold 20A, and two chamfer molds 21 are hinged to the lower side mold body 20B.
As shown in fig. 9, the inner mold steel form includes an inner mold steel plate 23, an inner mold secondary keel 24, and an inner mold main keel 25. The internal mold steel plate 23 is made of a 4mm steel plate, the internal mold secondary joist 24 is composed of a plurality of secondary joist supports which are horizontally arranged in parallel, each secondary joist support adopts a single 6.5# channel steel, and the intervals among the secondary joist supports are symmetrically arranged; the main joist 25 of the internal mold is composed of a plurality of main joist supports which are vertically and parallelly arranged, each main joist support is formed by welding two 6.5# channel steel double-splice assemblies into a group, and the intervals between each two groups of main joist supports are symmetrically arranged. The secondary keel 24 and the main keel 25 are welded in a crisscross manner to form a keel frame. The inner mold steel plate 23 is fixedly welded to the inner side of the keel frame.
As shown in FIG. 10, a chain block 12 and a third mechanical spiral telescopic device 14 are arranged between a side die 20 and a lower reverse die 21 on two sides of an inner die steel template. One end of the chain block 12 is fixed on the side die 20, and the other end hooks the lower reverse die 21 when the mold is released. One end of the third mechanical spiral telescopic device 14 is hinged on the side die main body 20B of the side die 20, when the inner die steel moulding plate is reinforced, the third mechanical spiral telescopic device 14 is only required to be lifted, then the movable end of the third mechanical spiral telescopic device 14 is screwed out to prop against the lower chamfer die 21, and then the third mechanical spiral telescopic device is screwed, so that the inner die steel moulding plate can be fixed according to the design size.
The top beam 16A symmetrically welded on the T-shaped frame 16 in the internal mold mounting and dismounting system 15 is welded with the top mold 8 of the internal mold steel template to form a whole. In construction, after the wall bottom plate reinforcing steel bar is installed, the internal mold steel rail 26 is paved, then the internal mold support system 2 is integrally pushed in, and according to the designed clearance size, the internal mold support system 2 is firstly lifted to a designed position by the hydraulic jack 13. As shown in fig. 8, the second mechanical screw expander 17 is then rotated to tighten the inner mold steel rail 26, and the side molds 20 on both sides are fixed by rotating the first mechanical screw expander 11 to the design position to tighten between the side mold main body 20B of the side mold 20 and the column frame 16C of the T-frame 16; the lower chamfer die 21 is fixed by rotating the third mechanical screw expander 14 to the design position so as to be braced between the side die body 20B of the side die 20 and the lower chamfer die 21.
And (5) carrying out top plate steel bar installation and concrete pouring after the internal mold supporting system 2 is checked and calculated to be qualified. After the strength reaches the design requirement value, the third mechanical spiral telescopic device 14 is unscrewed firstly, then the chamfering mould 21 is hooked by the hand hoist 12 to pull the chamfering mould 21 to remove the concrete surface, then the side mould 20 is pulled out of the side wall concrete surface by unscrewing the first mechanical spiral telescopic device 11, after the side mould 20 and the chamfering mould 21 are confirmed to be removed from the concrete surface, the hydraulic jack 13 returns oil and unscrews the second mechanical spiral telescopic device 17, the top mould 8 is separated from the concrete surface under the self weight of the inner mould steel mould plate, so that the demoulding process is realized, and finally the inner mould supporting system 2 is pushed to be installed along the inner mould steel rail 26 to the next working surface. The internal mold mounting and dismounting system 15 and the internal mold steel template are connected into a whole to form an internal mold supporting system 2, and repeated mounting is not needed in the construction process.
The length of the reinforced concrete pedestal 3 is more than 24m, more than three prefabricated gas tanks working surfaces can be manufactured, and flow production can be realized by combining a moving device. In the embodiment, the length of the reinforced concrete pedestal 3 is 24m, the width is 2m, the height is 35cm, the concrete mark C30 is formed, and the reinforced steel bar is bound by adopting a threaded steel double layer with the diameter of 16 mm; the reinforced concrete pedestal 3 is used as a prefabricated gas cabin bottom plate template. As shown in fig. 1, in construction, an external mold support system 1 is firstly arranged at two sides of a reinforced concrete pedestal 3, the lower part of the external mold support system 1 is tightly attached to the reinforced concrete pedestal 3 at a height of 15cm, and slurry leakage is prevented when concrete of a gas tank is poured; then transferring the steel bars bound in advance to the middle design position of the external mold supporting system 1 and the reinforced concrete pedestal 3; installing the inner mold steel rail 26, and finally pushing the whole inner support system 2 into a designed installation position along the inner mold steel rail 26; and finally, pouring concrete after the internal mold supporting system 2 is reinforced and accepted.
When the cast structure is detachable, the outer support truss 5 is pushed to integrally move the outer mold support system 1 on the track to enter a preset position of the structure where the outer mold is required to be installed in the next mold as shown in fig. 1; then, after the inner mould is separated from the concrete surface, pushing the inner support truss 15 to integrally move the inner mould support system 2 on the track, and entering the preset position of the structure where the outer mould is required to be installed on the next mould; and finishing the template installation of the next structure.
While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of use in various other combinations, modifications and environments and is capable of changes or modifications within the spirit of the invention described herein, either as a result of the foregoing teachings or as a result of the knowledge or skill of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (4)
1. The mechanical and hydraulic combined integral mounting and dismounting steel template for the prefabricated pipe gallery is characterized by comprising an outer mold supporting system (1), an inner mold supporting system (2) and a reinforced concrete pedestal (3); wherein,
The outer mold supporting system (1) comprises a supporting frame body and an outer mold steel mold plate which are connected into a whole; the support frame body comprises an outer support truss (5) and a moving device, the moving device comprises an outer die steel pulley (7) and an outer die steel rail (6), the outer die steel pulley (7) is arranged below the outer support truss (5) and slides on the outer die steel rail (6), and the outer die steel rail (6) is arranged on two sides of the reinforced concrete pedestal (3); the outer mold steel template is fixedly connected with the outer support truss (5);
The internal mold supporting system (2) comprises an internal mold mounting and dismounting system (15) and an internal mold steel template which are connected into a whole; the internal mold steel template comprises a top mold (8), a side mold (20) and a lower chamfering mold (21) which are hinged into a whole, wherein one end of the side mold (20) is hinged with the top mold (8), and the other end is hinged with the lower chamfering mold (21); the internal mold mounting and dismounting system (15) comprises a vertical frame body, a chain block (12) and first, second and third mechanical spiral retractors, wherein the vertical frame body is fixedly connected with an internal mold steel template, the vertical frame body is provided with a hydraulic jack (13) and an internal mold steel pulley (27), and an internal mold steel rail (26) is paved at a corresponding position below the internal mold steel pulley (27); the first mechanical spiral telescopic device (11) is connected with the vertical frame body and a side die (20) of the inner die steel template, the second mechanical spiral telescopic device (17) is arranged on the vertical frame body, and the third mechanical spiral telescopic device (14) is connected with the side die (20) and the lower chamfering die (21); one end of the chain block (12) is fixed on the side die (20), and the other end hooks the lower chamfer die (21) during demolding.
2. A prefabricated pipe gallery machine and hydraulic integrated mounting and dismounting steel form as claimed in claim 1, characterized in that the external mould supporting system (1) further comprises a safety protection steel pipe (4), and the safety protection steel pipe (4) is erected and fixed above the external support truss (5).
3. A prefabricated pipe gallery mechanical and hydraulic integrated mounting and dismounting steel template as claimed in claim 1, characterized in that the side mould (20) comprises a side mould main body (20B) which is integrally connected and bent at a certain angle to form an upper chamfering mould (20A), the side mould main body is bent at a certain angle to form an upper chamfering mould (20A), two ends of the top mould (8) are respectively hinged on the upper chamfering mould (20A), and the side mould main body (20B) is hinged on the lower chamfering mould (21).
4. A method for installing and removing a steel formwork integrally formed by combining a prefabricated pipe gallery with hydraulic pressure, which is characterized in that the method for installing and removing the steel formwork integrally formed by combining the prefabricated pipe gallery with the hydraulic pressure according to claim 1,2 or 3 comprises the following steps:
Step one, after the installation of the wall bottom plate steel bars is completed, paving an internal mold steel rail (26), and integrally pushing the internal mold steel rail into an internal mold supporting system (2);
step two, lifting the internal mold supporting system (2) to a design position by using a hydraulic jack (13);
step three, rotating the second mechanical spiral telescopic device (17) to be tightly supported with the inner die steel rail (26), and fixing the side dies (20) at two sides to the designed position by rotating the first mechanical spiral telescopic device (11);
fourthly, fixing the lower chamfer mould (21) and the side mould (20) to a designed position by rotating the third mechanical spiral telescopic device (14);
Fifthly, after the internal mold supporting system (2) is checked and proved to be qualified, roof reinforcement installation and concrete pouring are carried out, after the strength reaches a design requirement value, the third mechanical spiral telescopic device (14) is unscrewed, then the hand hoist (12) is used for hooking the lower chamfer angle mold (21), the lower chamfer angle mold (21) is pulled up to remove the concrete surface, then the first mechanical spiral telescopic device (11) is unscrewed to pull the side mold (20) to be separated from the concrete surface of the side wall, after the side mold (20) and the lower chamfer angle mold (21) are confirmed to be separated from the concrete surface, the hydraulic jack (13) returns oil and unscrews the second mechanical spiral telescopic device (17), and the top mold (8) is separated from the concrete surface under the self weight of the internal mold steel template, so that the demolding process is realized;
Step six, finally pushing the internal mold supporting system (2) to be installed along the internal mold steel rail (26) to the next working surface;
And step seven, when the cast structure is detachable, pushing the outer support truss (5) to integrally move the outer die support system (1) on the track to enter a preset position of the structure of the next die, wherein the outer die is required to be installed, so that the template installation of the next structure is completed.
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| CN110682416A (en) * | 2019-10-31 | 2020-01-14 | 湖南省第六工程有限公司 | Formwork system and construction method of prefabricated integrated pipe gallery |
| CN111305261B (en) * | 2019-12-27 | 2021-06-22 | 北京市政路桥股份有限公司 | Continuous construction method of aluminum alloy template for comprehensive pipe gallery |
| CN111195977B (en) * | 2020-02-18 | 2025-02-11 | 山西三建集团有限公司 | Integral casting inner formwork system for concrete structure bay window frame plate and its installation and disassembly method |
| CN113524399A (en) * | 2020-04-13 | 2021-10-22 | 武汉城市职业学院 | Movable prefabricated hollow slab beam base |
| CN113833494A (en) * | 2021-09-30 | 2021-12-24 | 国网河北省电力有限公司建设公司 | Construction template for tunnel |
| CN115125996A (en) * | 2022-06-30 | 2022-09-30 | 陕西帕源路桥建设有限公司 | Underground house construction technology based on assembled combined die |
| CN115125997B (en) * | 2022-08-01 | 2024-05-07 | 上海建工一建集团有限公司 | Construction equipment and construction method for combined multi-cavity comprehensive pipe rack |
| CN119711354A (en) * | 2025-01-03 | 2025-03-28 | 中国铁建大桥工程局集团有限公司 | Internal mold of beam making machine and construction method |
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| CN105908777B (en) * | 2016-05-04 | 2018-01-02 | 东北大学 | A kind of pipe gallery sliding mould and its application method |
| CN206538790U (en) * | 2017-03-03 | 2017-10-03 | 湖南五新模板有限公司 | Interior mould trolley is used in a kind of cast-in-place pipe gallery construction |
| CN107905254B (en) * | 2017-11-16 | 2020-02-18 | 中铁四局集团有限公司 | Construction method of integrated hydraulic inner formwork trolley for integrated pipe gallery support formwork |
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