CN113696309B - Construction method and application of T-beam precise integrated hydraulic template system - Google Patents
Construction method and application of T-beam precise integrated hydraulic template system Download PDFInfo
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- CN113696309B CN113696309B CN202111055059.7A CN202111055059A CN113696309B CN 113696309 B CN113696309 B CN 113696309B CN 202111055059 A CN202111055059 A CN 202111055059A CN 113696309 B CN113696309 B CN 113696309B
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- 238000010276 construction Methods 0.000 title claims abstract description 33
- 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 72
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000009415 formwork Methods 0.000 claims description 15
- 230000008602 contraction Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 11
- 230000002146 bilateral effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
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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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- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a construction method and application of a T-beam accurate integrated hydraulic template system. According to the invention, the automatic hydraulic template vehicle integrating the side mold and the end mold is adopted, so that the forming quality of the prefabricated T-shaped beam and the positioning precision of the template are improved, the mechanization level is improved, the manual input is reduced, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of T-beam construction, in particular to a construction method and application of a T-beam precise integrated hydraulic template system.
Background
The T-beam is a beam with a T-shaped cross section, and the two sides of the beam are called flanges, and the middle part of the beam is called a beam rib (or a web). The rectangular beam is formed by excavating the concrete in the tension area which does not work against the bending strength in the rectangular beam, so the rectangular beam has the effect which is completely the same as the original rectangular bending strength, the concrete can be saved, the self weight of the member can be reduced, and the spanning capability is improved.
In the field of bridge construction, in order to increase the speed of bridge construction, prefabricated parts are usually adopted for construction. The problems of poor template assembly precision, low mechanization degree, high labor consumption, low prefabricating speed and the like generally exist in the prefabricating process of the conventional prefabricated T beam. In the T-beam prefabricating process, a qualitative steel template is usually adopted for construction, repeated demolding, mold closing and longitudinal moving are required to be carried out on a side mold and an end mold of the T-beam, a large amount of labor is consumed, and the construction efficiency is low. Although the prior art (for example, CN201911316691.5 a prefabricated T-beam self-propelled hydraulic formwork device and formwork system) realizes certain automation and improves efficiency by arranging hydraulic formworks, some disadvantages still exist: for example, the support force of the side die assembly is insufficient, the pull rod still needs to be reinforced, the end die assembly still cannot be integrally installed, and the construction efficiency needs to be further improved.
Disclosure of Invention
The invention aims to provide a construction method and application of a T-beam accurate integrated hydraulic template system, which are reasonable in structure, high in automation degree and high in construction efficiency.
In a first aspect, the scheme provides a construction method of a T-beam precise integrated hydraulic template system, which comprises the following steps:
a pedestal and track step: a plurality of mounting grooves are excavated at intervals at the positions of lifting platform seats arranged in a precast yard, a hydraulic lifting cylinder is mounted in each mounting groove, a steel platform seat is lifted to a position, the bottom of the steel platform seat is connected with the top of the hydraulic lifting cylinder, and a plurality of traveling tracks are arranged and mounted on two sides of the steel platform seat according to template vehicles;
assembling a single-side hydraulic template vehicle: the bottom of a single-side trolley is provided with a roller, the single-side trolley is provided with a single-side support frame and a slide rail, the other side of the single-side support frame is provided with a plurality of side mold horizontal oil cylinders, the other end of each side mold horizontal oil cylinder is provided with a side mold back frame which is arranged on the slide rail in a sliding manner, side molds are arranged on the side mold back frames, the two end parts of the single-side support frame are fixedly provided with end mold horizontal oil cylinders, the other end of each end mold horizontal oil cylinder is provided with an end mold back frame which is arranged on the slide rail in a sliding manner, and the end mold back frames are provided with fixed half-side end mold units;
assembling the double-side hydraulic template vehicle: the bottom of the bilateral trolley is provided with rollers, the bilateral trolley is provided with bilateral support frames and slide rails, two sides of each bilateral support frame are provided with a plurality of lateral mould horizontal oil cylinders at intervals, the other ends of the lateral mould horizontal oil cylinders are provided with lateral mould back frames, the lateral moulds are arranged on the lateral mould back frames, in addition, the two end parts of each bilateral support frame are fixedly provided with end mould horizontal oil cylinders, the other ends of the end mould horizontal oil cylinders are provided with end mould back frames, and the end mould back frames are provided with fixed half end mould units;
enabling the hydraulic template vehicle to be in place at two sides of the lifting pedestal, adjusting the height of the lifting pedestal according to the size of the prefabricated T-shaped beam, and arranging temporary supporting blocks below the steel platform;
starting hydraulic equipment, transversely moving side dies on the single-side hydraulic die plate car and the double-side hydraulic die plate car to be close to a steel pedestal through a side die horizontal oil cylinder, hoisting a steel reinforcement framework of the T-shaped beam into the T-shaped beam pedestal, remotely controlling the hydraulic equipment to enable the side dies to be in place, and finely adjusting the side dies;
after the side forms are installed, the half-side end form units on the single-side hydraulic form car and the double-side hydraulic form car are moved transversely to be close to the steel pedestal through the end form horizontal oil cylinders, the opposite half-side end form units are butted into an integral end form, the end form is connected with the end part of the side form, and then the integrity of the two half-side end form units is strengthened; and (5) demolding after the concrete pouring is finished and the demolding strength is reached.
In a second aspect, the T-beam pedestal is obtained by construction according to any one of the construction methods of the T-beam precise integrated hydraulic template system.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
1. the hydraulic template system adopts the single-side hydraulic template vehicle and the double-side hydraulic template vehicle, has reasonable structure, realizes the integrated installation of the side mold and the end mold, has high level of mechanization, increases the number of rows of prefabricated T-shaped beams, improves the construction efficiency, saves time and labor and has obvious technical benefit advantages.
2. The single-side hydraulic template trolley and the double-side hydraulic template trolley are provided with the supporting frame and the plurality of horizontal oil cylinders, so that a uniform supporting force can be provided for die assembly of the side die, a split bolt does not need to be arranged at the top, a pulling-out force can be exerted for demoulding the side die, a special demoulding oil cylinder does not need to be arranged, and the technical benefit advantage is obvious.
3. The lifting pedestal adopted by the invention can be adjusted according to the height of the prefabricated T-shaped beam, replaces a jacking oil cylinder in a hydraulic template system, and is more flexible to assemble, disassemble and adjust.
Drawings
Fig. 1 is a schematic plan layout view of a T-beam precision integrated hydraulic template system according to an embodiment of the present solution.
FIG. 2 is a plan view of a precision integrated hydraulic template system for a T-beam;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a front view of FIG. 2;
FIG. 5 is a schematic layout of the pedestals and rails;
FIG. 6 is a schematic view of a lift table base;
FIG. 7 is a top view of a half end die unit;
FIG. 8 is a schematic view of an end mold;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic diagram of demolding of a T-beam precision integrated hydraulic template system.
Wherein: 1-single-sided hydraulic template vehicle; 2-bilateral hydraulic template vehicle; 3-a walking track; 4-lifting pedestal; 5-steel pedestal; 6-mounting groove; 7-hydraulic lift cylinder; 8-temporary supporting block; 9-single side support frame; 10-a lateral mold horizontal oil cylinder; 11-side die back frame; 12-T Beam; 13-side form; 14-bilateral scaffolds; 15-diagonal bracing; 16-one-sided cart; 17-roller; 18-slide rail; 19-rail clamping device; 20-end mould horizontal oil cylinder; 21-end mould back frame; 22-end mold; 23-connecting bolt; 24-butt-joint lug plate; 25-connecting bolt hole; 26-a bead; 27-a notch; 28-bilateral trolley; 29-half end mould unit; 30-butt bolt.
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.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The technical solution of the present invention is further explained with reference to fig. 1 to 10.
This scheme provides an accurate integration hydraulic template system of T roof beam, including arranging lift pedestal (4) in the sclerosis place, set up in walking track (3) of lift pedestal (4) both sides to and set up unilateral hydraulic template car (1) and two side hydraulic template cars (2) on walking track (3).
As shown in fig. 6, the lifting pedestal (4) comprises a steel pedestal (5), a mounting groove (6), a hydraulic lifting cylinder (7) and a temporary supporting block (8), the mounting groove (6) is arranged below the steel pedestal (5), the hydraulic lifting cylinder (7) is arranged in the mounting groove (6), and the temporary supporting block (8) can be arranged between the steel pedestal (5) and the site. Specifically, the hardening field is sunken downwards at intervals to form mounting grooves (6), and the hydraulic lifting oil cylinder (7) is arranged at the bottom of the mounting grooves (6) and connected with the steel pedestal (5), so that the steel pedestal (5) is horizontally arranged on the hardening field. In addition, a temporary supporting block (8) is arranged between the steel pedestal (5) and the hardening site to assist in supporting the steel pedestal (5).
The single-side hydraulic template trolley (1) is arranged on two sides of the walking track (3), and the double-side hydraulic template trolley (2) is arranged in the middle of the single-side hydraulic template trolley (1) on two sides and is respectively matched with the single-side hydraulic template trolley (1) on two sides.
The single-side hydraulic template trolley (1) comprises a single-side support frame (9), a side-die horizontal oil cylinder (10), a side-die back frame (11), a side die (13), an inclined strut (15), a single-side trolley (16), idler wheels (17), a sliding rail (18), a rail clamping device (19), an end-die horizontal oil cylinder (20), an end-die back frame (21) and a half-side end-die unit (29), wherein the idler wheels (17) are arranged at the bottom of the single-side trolley (16), the single-side support frame (9) is arranged on the single-side trolley (16), the inclined strut (15) is arranged between the outer side of the single-side trolley (16) and the single-side support frame (9) to support the single-side support frame (9) in an inclined manner, the sliding rail (18) is arranged on the single-side trolley (16) on the inner side of the single-side support frame (9), one end of the side-die horizontal oil cylinder (10) is fixed on the inner side of the single-side support frame (9), and the other end of the side-die back frame (11) is connected with the side die back frame (11), side form (13) set up the one side at side form back of the body frame (11), end mould horizontal oil cylinder (20) one end is fixed in the outside of unilateral support frame (9) medial surface, and other end connection end mould back of the body frame (21), half side end mould unit (29) set up the one side at end mould back of the body frame (21), side form back of the body frame (11) and end mould back of the body frame (21) bottom are equipped with and press from both sides rail ware (19), press from both sides rail ware (19) and set up on slide rail (18).
Specifically, vertical unilateral support frame (9) that sets up on unilateral dolly (16), the medial surface of unilateral support frame (9) sets up end mould horizontal cylinder (20) and side form horizontal cylinder (10), side form horizontal cylinder (10) are connected and are slided and arrange side form back of the body frame (11) on unilateral dolly (16) in, end mould horizontal cylinder (20) are connected and are slided and arrange end mould back of the body frame (21) on unilateral dolly (16) in, the opposite side of side form back of the body frame (11) is equipped with side form (13), the opposite side of end mould back of the body frame (21) is equipped with half limit end mould unit (29).
In the scheme, an inclined strut (15) is arranged between the outer side surface of the unilateral supporting frame (9) and the unilateral trolley (16) to play a role of obliquely supporting the unilateral supporting frame (9). Slide rails (18) are arranged at the positions, located on the inner side face of the single-side supporting frame (9), of the single-side trolley (16), rail clamping devices (19) are arranged at the bottoms of the side die back frame (11) and the end die back frame (21), the rail clamping devices (19) are arranged on the slide rails (18), and therefore sliding of the side die back frame (11) and the end die back frame (21) is achieved. In the scheme, the side mold back frame (11) and the end mold back frame (21) are arranged perpendicular to the sliding rails (18).
The double-side hydraulic template trolley (2) comprises a side mould horizontal oil cylinder (10), a side mould back frame (11), a side mould (13), a double-side supporting frame (14), idler wheels (17), slide rails (18), rail clamping devices (19), an end mould horizontal oil cylinder (20), an end mould back frame (21), a half-side end mould unit (29) and a double-side trolley (28), wherein the idler wheels (17) are arranged at the bottom of the double-side trolley (28), the double-side supporting frame (14) is arranged on the double-side trolley (28), the slide rails (18) are arranged on the double-side trolley (28) on two sides of the double-side supporting frame (14), one end of the side mould horizontal oil cylinder (10) is fixed at two side surfaces of the double-side supporting frame (14), the other end of the side mould back frame (11) is connected with the side mould back frame (13), one end of the end mould horizontal oil cylinder (20) is fixed at the outermost side of the inner side surface of the double-side supporting frame (14), the other end is connected with an end die back frame (21), the half-side end die unit (29) is arranged on one side of the end die back frame (21), rail clamping devices (19) are arranged at the bottoms of the side die back frame (11) and the end die back frame (21), and the rail clamping devices (19) are arranged on the sliding rails (18).
That is to say, be equipped with bilateral support frame (14) perpendicularly on two side dolly (28), the both sides limit of bilateral support frame (14) all slides and is equipped with horizontal hydro-cylinder of side form (10) and end mould horizontal hydro-cylinder (20), the horizontal hydro-cylinder of side form (10) connect and slide and arrange side mould back of the body frame (11) on two side dolly (28) in, end mould horizontal hydro-cylinder (20) connect and slide and arrange end mould back of the body frame (21) on two side dolly (28) in, the opposite side of side mould back of the body frame (11) is equipped with side form (13), the opposite side of end mould back of the body frame (21) is equipped with half side end mould unit (29).
The end mould horizontal oil cylinder (20) is fixed on the outermost side of the inner side face of the unilateral supporting frame (9). That is to say, the end mold horizontal oil cylinder (20) is arranged at the peripheral position of the side mold horizontal oil cylinder (10), as shown in fig. 2, a plurality of side mold horizontal oil cylinders (10) are arranged on the single-side supporting frame (9), and the end mold horizontal oil cylinder (20) is arranged at the side of the side mold horizontal oil cylinder (10) close to the outer side.
It is worth to explain that the side dies (13) on the single-side hydraulic template vehicle (1) correspond to the side dies (13) on the double-side hydraulic template vehicle (2); the half-edge end die units (29) on the single-side hydraulic die plate vehicle (1) correspond to the half-edge end die units (29) on the double-side hydraulic die plate vehicle (2), and the two opposite half-edge end die units (29) are spliced to form an end die (22).
As shown in fig. 7 and 8, the end mold (22) is formed by assembling and butting two half-side end mold units (29), one side of each half-side end mold unit (29) is provided with a connecting bolt hole (25) and is connected with the side mold (13) arranged on the same side through a connecting bolt (23), and the connecting bolt (23) penetrates through the connecting bolt hole (26) to be connected with the side mold (13). The other side of the half-side end die unit (29) is respectively provided with a convex opening (26) or a concave opening (27) which are matched with each other, the convex opening (26) of the half-side end die unit (29) which are connected oppositely is matched and connected with the concave opening (27) of the other half-side end die unit (29), the end die (22) is provided with a plurality of butt joint lug plates (24) at the sides of the convex opening (26) and the concave opening (27), and the butt joint bolts (30) penetrate through the butt joint lug plates (24) to realize the reinforced connection of the half-side end die units (29) at two sides. And connecting bolt holes (25) matched with the half-side end die units (29) are formed in the two ends of the side die (13).
In the embodiment of the scheme, a plurality of side die horizontal oil cylinders (10) are arranged up and down, and a plurality of sides are arranged along the extending direction of the side die back frame (11) in sequence, so that enough supporting force can be provided. A plurality of end mould horizontal oil cylinders (20) are arranged up and down and are arranged on the edge of the horizontal oil cylinder (10) on the outermost side of the mould.
As shown in fig. 3 and 4, the top of the end mold (22) formed by the half-side end mold units (29) on both sides is in an inverted trapezoid shape, the bottom is in an upright trapezoid structure, and the upper part and the lower part are vertically connected. The corresponding side mold (13) also has the same structure. The half-side end die unit (29) and the side die (13) are arranged on the lifting pedestal (4).
The construction method of the precise integrated hydraulic template system for the T-shaped beams is suitable for simultaneous construction and prefabrication of multiple rows of T-shaped beams, and the construction method takes simultaneous construction of two rows of T-shaped beams as an example and comprises the following steps:
the structure arrangement method comprises the following steps:
1) as shown in fig. 5, 6, the pedestals and rails are arranged: excavating and pouring a plurality of mounting grooves (6) at intervals at the positions of the lifting pedestal (4) arranged in the precast yard, mounting a hydraulic lifting cylinder (7) in each mounting groove (6), then hoisting and placing the steel pedestal (5), welding and connecting the bottom of the steel pedestal (5) with the top of the hydraulic lifting cylinder (7), and finally arranging and mounting a plurality of walking rails (3) on two sides of the steel pedestal (5) according to a formwork vehicle;
the prefabricated yard is a hardening yard, and the steel pedestal (5) is horizontally arranged on the prefabricated yard to be lifted by the hydraulic lifting cylinder (7). And a temporary supporting block (8) is arranged between the steel pedestal (5) and the hardening site in the construction process so as to assist in supporting the steel pedestal (5).
2) As shown in fig. 2 and 3, rollers (17) are mounted at the bottom of a single-side trolley (16), a single-side support frame (9) and a slide rail (18) are mounted on the single-side trolley (16), a plurality of side mold horizontal oil cylinders (10) are mounted on the other side of the single-side support frame (9), a side mold back frame (11) which is slidably arranged on the slide rail (18) is mounted at the other end of each side mold horizontal oil cylinder (10), side molds (13) are mounted on the side mold back frame (11), end mold horizontal oil cylinders (20) are fixedly mounted at two end parts of the single-side support frame (9), an end mold back frame (21) which is slidably arranged on the slide rail (18) is mounted at the other end of each end mold horizontal oil cylinder (20), and a half-side end mold unit (29) is mounted and fixed on the end mold back frame (21);
specifically, the roller (17) is arranged on the walking track (3) to walk, a plurality of inclined struts (15) are arranged on the unilateral trolley (16) at intervals to strengthen the retaining capacity of the unilateral support frame (9), a plurality of lateral mold horizontal oil cylinders (10) are welded on the other side of the unilateral support frame (9) at intervals, the other ends of the lateral mold horizontal oil cylinders (10) are welded with a lateral mold back frame (11), the other ends of the end mold horizontal oil cylinders (20) are welded with an end mold back frame (21), and rail clamping devices (19) are welded on the bottoms of the lateral mold back frame (11) and the end mold back frame (21) and connected with the sliding rails (18).
3) As shown in fig. 2 and 3, the double-sided hydraulic template vehicle (2) is assembled by welding: the bottom of a double-side trolley (28) is provided with a roller (17), the roller (17) is arranged on a walking track (3) to walk, the double-side trolley (28) is welded and provided with a double-side support frame (14) and a slide rail (18), two sides of the double-side support frame (14) are welded and provided with a plurality of side mould horizontal oil cylinders (10) at intervals, the other end of each side mould horizontal oil cylinder (10) is welded and provided with a side mould back frame (11), a side mould (13) is arranged on each side mould back frame (11), in addition, two end mould horizontal oil cylinders (20) are fixedly arranged at two ends of the double-side support frame (14), the other end of each end mould horizontal oil cylinder (20) is welded and provided with an end mould back frame (21), a half-side end mould unit (29) is fixedly arranged on each end mould back frame (21), and finally, rail clamping devices (19) are welded and connected with the slide rail (18) at the bottoms of the side mould back frames (11) and the end mould back frames (21);
the structures of the double-sided hydraulic template trolley (2), the single-sided hydraulic template trolley (1) and the lifting pedestal (4) mentioned above are described, and the scheme of the same part is not described redundantly.
4) The operation method of the T-beam accurate integrated hydraulic template system comprises the following steps:
firstly, as shown in fig. 2, in a precast yard, according to the arrangement of a lifting pedestal (4), firstly enabling a hydraulic template vehicle to be in place at two sides of the lifting pedestal (4), then adjusting the height of the lifting pedestal (4) according to the size of a prefabricated T-shaped beam (12), and then arranging a temporary supporting block (8) below a steel pedestal (5) for protecting a hydraulic lifting oil cylinder (7);
secondly, as shown in figure 3, starting hydraulic equipment, firstly, transversely moving the side molds (13) on the single-side hydraulic template car (1) and the double-side hydraulic template car (2) to be close to the steel pedestal (5) through the side mold horizontal oil cylinder (10), hoisting a steel bar framework of the T-shaped beam (12) into the T-shaped beam pedestal, remotely controlling the hydraulic equipment to enable the side molds (13) to be in place, finely adjusting the side molds (13), and carefully checking the splicing seams and the flatness of the templates.
Thirdly, as shown in fig. 4, 7, 8 and 9, after the side die (13) is installed, the half-side end die units (29) on the single-side hydraulic die plate car (1) and the double-side hydraulic die plate car (2) are transversely moved to be close to the steel pedestal (5) through the end die horizontal oil cylinder (20), the end dies (22) are butted into a whole through the notches and the convex mouths of the opposite half-side end die units (29), the end dies (22) are connected with the end parts of the side die (13) through the connecting bolts (23), the two half-side end die units (29) are integrally reinforced through the butting bolts (30), and the splicing seams and the flatness of the die plates are carefully checked;
and fourthly, as shown in figure 10, demoulding is carried out after the concrete pouring is finished and the demoulding strength is reached. Connecting bolts (23) and butt bolts (30) at end molds (22) are removed, hydraulic equipment is started, side molds (13) on a single-side hydraulic template car (1) and a double-side hydraulic template car (2) are moved transversely to be separated from a beam body through contraction of a side mold horizontal oil cylinder (10), and half-side end mold units (20) on the single-side hydraulic template car (1) and the double-side hydraulic template car (2) are moved transversely to be separated from the beam body through contraction of an end mold horizontal oil cylinder (20);
and finally, starting a traveling system, and driving the rollers (17) to enable the single-side hydraulic template vehicle (1) and the double-side hydraulic template vehicle (2) to travel to the next prefabricated T-beam pedestal along the traveling track (3).
In a second aspect, the scheme provides a prefabricated T-beam pedestal, which is obtained by construction according to the method mentioned above.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (9)
1. A construction method of a T-beam accurate integrated hydraulic template system is characterized by comprising the following steps:
1) a pedestal and rail step: excavating a plurality of mounting grooves (6) at intervals at the position where the lifting pedestal (4) is arranged in a precast yard, mounting a hydraulic lifting cylinder (7) in each mounting groove (6), lifting the steel pedestal (5) to a position, connecting the bottom of the steel pedestal (5) with the top of the hydraulic lifting cylinder (7), and arranging a plurality of walking rails (3) on two sides of the steel pedestal (5) according to a formwork vehicle;
2) assembling a single-side hydraulic template vehicle (1): the bottom of a single-side trolley (16) is provided with a roller (17), the single-side trolley (16) is provided with a single-side support frame (9) and a slide rail (18), the other side of the single-side support frame (9) is provided with a plurality of side mold horizontal oil cylinders (10), the other end of each side mold horizontal oil cylinder (10) is provided with a side mold back frame (11) which is arranged on the slide rail (18) in a sliding manner, a side mold (13) is arranged on each side mold back frame (11), end mold horizontal oil cylinders (20) are fixedly arranged at the two ends of the single-side support frame (9), the other end of each end mold horizontal oil cylinder (20) is provided with an end mold back frame (21) which is arranged on the slide rail (18) in a sliding manner, and a half-side end mold unit (29) is fixedly arranged on each end mold back frame (21);
3) assembling the double-side hydraulic template trolley (2): the bottom of a double-side trolley (28) is provided with a roller (17), the double-side trolley (28) is provided with a double-side support frame (14) and a slide rail (18), a plurality of side mould horizontal oil cylinders (10) are arranged on two sides of the double-side support frame (14) at intervals, the other end of each side mould horizontal oil cylinder (10) is provided with a side mould back frame (11), a side mould (13) is arranged on each side mould back frame (11), end mould horizontal oil cylinders (20) are fixedly arranged on two end parts of the double-side support frame (14), the other end of each end mould horizontal oil cylinder (20) is provided with an end mould back frame (21), and a fixed half-side end mould unit (29) is arranged on each end mould back frame (21);
4) enabling a hydraulic template vehicle to be in place at two sides of the lifting pedestal (4), adjusting the height of the lifting pedestal (4) according to the size of the prefabricated T-shaped beam (12), and arranging a temporary supporting block (8) below the steel pedestal (5);
5) starting hydraulic equipment, transversely moving side dies (13) on the single-side hydraulic formwork car (1) and the double-side hydraulic formwork car (2) to be close to a steel pedestal (5) through a side die horizontal oil cylinder (10), hoisting a steel bar framework of a T beam (12) into the T beam pedestal, remotely controlling the hydraulic equipment to enable the side dies (13) to be in place, and finely adjusting the side dies (13);
6) after the side die (13) is installed, the half-side end die units (29) on the single-side hydraulic die plate car (1) and the double-side hydraulic die plate car (2) are transversely moved to be close to the steel pedestal (5) through the end die horizontal oil cylinder (20), the opposite half-side end die units (29) are butted into an integral end die (22), the end die (22) is connected with the end part of the side die (13), and then the two half-side end die units (29) are integrally reinforced;
7) and (5) demolding after the concrete pouring is finished and the demolding strength is reached.
2. The construction method of the T-beam precise integrated hydraulic formwork system according to claim 1, characterized by comprising step 8) after step 7): and finally, starting a traveling system, and driving the rollers (17) to enable the single-side hydraulic template vehicle (1) and the double-side hydraulic template vehicle (2) to travel to the next prefabricated T-beam pedestal along the traveling track (3).
3. The construction method of the precise T-beam integrated hydraulic formwork system according to claim 1, wherein in the step 2), a plurality of inclined struts (15) are arranged on the single-side trolley (16) at intervals, and the inclined struts (15) are arranged between the outer side surface of the single-side supporting frame (9) and the single-side trolley (16).
4. The construction method of the precise integrated hydraulic formwork system for the T-beam according to claim 1, characterized in that in the step 2) and the step 3), rail clamping devices (19) are arranged at the bottoms of the side formwork back frame (11) and the end formwork back frame (21), and the rail clamping devices (19) are arranged on the sliding rails (18).
5. The construction method of the precise integrated hydraulic template system for the T beam according to claim 1, wherein the end mold horizontal oil cylinder (20) is arranged at the peripheral position of the side mold horizontal oil cylinder (10).
6. The construction method of the T-beam accurate integrated hydraulic formwork system according to claim 1, wherein the side molds (13) on the single-side hydraulic formwork car (1) correspond to the side molds (13) on the double-side hydraulic formwork car (2); the half-edge end die units (29) on the single-side hydraulic template trolley (1) correspond to the half-edge end die units (29) on the double-side hydraulic template trolley (2).
7. The construction method of the precise integrated hydraulic template system for the T-beam according to the claim 1, characterized in that in the step 6), the end mold (22) is connected with the end of the side mold (13) by the connecting bolt (23) through the end mold (22) which is formed by butting the notch and the convex opening of the opposite half side end mold unit (29) into a whole.
8. The construction method of the precise integrated hydraulic template system for the T beam according to claim 1, characterized in that in the step 7), hydraulic equipment is started, side dies (13) on the single-side hydraulic template vehicle (1) and the double-side hydraulic template vehicle (2) are moved transversely to be separated from the beam body through contraction of a side-die horizontal oil cylinder (10), and then half-side end die units (29) on the single-side hydraulic template vehicle (1) and the double-side hydraulic template vehicle (2) are moved transversely to be separated from the beam body through contraction of an end-die horizontal oil cylinder (20).
9. The construction method of the precise integrated hydraulic template system for the T-beam according to the claim 1, characterized in that the top of the end template (22) formed by the half-side end template units (29) at two sides is in an inverted trapezoid shape, the bottom is in an upright trapezoid structure, and the upper part and the lower part are vertically connected.
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| CN116394383A (en) * | 2023-03-23 | 2023-07-07 | 中铁十四局集团第三工程有限公司 | A formwork system and method for producing large-size cable trays based on pedestals |
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