CN111173261B - Aluminum alloy building template and construction process thereof - Google Patents
Aluminum alloy building template and construction process thereof Download PDFInfo
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- CN111173261B CN111173261B CN202010010348.4A CN202010010348A CN111173261B CN 111173261 B CN111173261 B CN 111173261B CN 202010010348 A CN202010010348 A CN 202010010348A CN 111173261 B CN111173261 B CN 111173261B
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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
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/04—Connecting or fastening means for metallic forming or stiffening elements, e.g. for connecting metallic elements to non-metallic elements
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to an aluminum alloy building template and a construction process thereof, relating to the technical field of building construction equipment, comprising a template main body, wherein the template main body comprises a rectangular bottom plate and side plates vertically fixed at two opposite sides of the bottom plate, side end cover plates are fixed at two adjacent sides of the bottom plate, a plurality of through holes for installing template pins are arranged in the respective length directions of the side plates and the side end cover plates, a corrugated plate is fixed at one side of the bottom plate close to the side plates, a plurality of communicated flow channels are formed between the corrugated plate and the bottom plate, and an inlet flow pipe at one end of the flow channel and an outlet flow pipe at the other end of the flow channel are fixed on the corrugated plate. The invention has the advantage of improving the temperature stability of the working surface of the template so as to facilitate the template removal in accurate time.
Description
Technical Field
The invention relates to the technical field of building template equipment, in particular to an aluminum alloy building template and a construction process thereof.
Background
Traditional building templates are all made of practical wood templates or steel-wood templates. Wooden forms have the disadvantage of being non-fire-resistant and non-durable, while steel forms are heavy. At present, the aluminum alloy template is widely applied to building construction, and has the advantages of short construction period, good stability, high bearing capacity and the like.
The prior art refers to a Chinese patent with an authorization publication number of CN103850433B, and discloses an aluminum alloy building template, which comprises a panel, end plates and transverse ribs, wherein side plates with the same length as the panel are arranged on two sides of the panel, longitudinal ribs with the same length as the panel are arranged at the bottom of the panel, the side plates and the longitudinal ribs are integrally formed, the end plates are integrated profiles, notches are arranged on the end plates, the shapes of the notches are the same as those of the longitudinal ribs, two ends of each longitudinal rib are inserted into the notches of the end plates, the end plates are nested in the panel and are welded and fixed with the panel, the outermost side surfaces of the end plates do not exceed the end surfaces of the panel, the transverse ribs are attached to the bottom surfaces of the longitudinal ribs on the panel and are welded and fixed with the longitudinal ribs and the side plates on the panel, and connecting holes for connecting two adjacent templates are. The invention has the advantages of good integral rigidity, no deformation during welding and quick assembly and disassembly.
However, the invention has the following disadvantages: because the aluminum template has good thermal conductivity and small specific heat capacity, when the environmental temperature is lower in winter, the temperature of the part of the poured concrete, which is attached to the aluminum template, is lower than the temperature of the central concrete; the temperature of the aluminum template rises sharply in the sun-exposed environment in summer, and the temperature of the part, attached to the aluminum template, of the poured concrete is higher than that of the central concrete, so that the control difficulty of the concrete setting time of the aluminum template in use in summer and winter is high, the site construction mostly carries out template removal by virtue of experience, the strength of the concrete can not meet the requirement due to the worry that the template removal is too early, the template removal time estimated by the site construction is often longer than the time for the concrete to reach the required strength by more than 24 hours, and the disassembly of the aluminum template for building construction is influenced.
Disclosure of Invention
It is an object of the present invention to provide an aluminum alloy building panel having the advantage of improving the temperature stability of the working surface of the panel for precise time stripping.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an aluminum alloy building templates, includes the template main part, the template main part includes the bottom plate of rectangle and the curb plate of the perpendicular fixation in the relative both sides of bottom plate, the bottom plate is located the adjacent both sides of curb plate and is fixed with the side end cover board, curb plate and side end cover board are equipped with a plurality of through-holes that are used for the erection template pin along length direction separately, the bottom plate is close to curb plate one side and is fixed with the corrugated sheet, forms the runner of a plurality of intercommunications between corrugated sheet and the bottom plate, is fixed with an inlet tube that is located runner one end and an outlet tube that is located the runner other end on the.
Through adopting above-mentioned technical scheme, assemble the template main part and fix the back with the template pin, at the external inlet tube of inflow pipe department, at the external outflow pipe of outflow pipe department, the end of outflow pipe lets in the collecting pit. When the temperature of the external environment is lower in winter, the temperature of concrete to be poured is higher than that of the template, and warm water is introduced into the water inlet pipe to heat the template before pouring; when the external environment temperature is higher in summer, the temperature of concrete to be poured is lower than the temperature of the template, cold water is introduced into the water inlet pipe to cool the template before pouring, so that the temperature of the template is basically consistent with the temperature of the concrete, the concrete setting time is greatly reduced under the influence of the external environment temperature, the template removal time can be accurately determined according to the setting curve of the concrete, the template removal time can be favorably realized as early as possible in site construction, the template time occupied by traditional template removal according to experience is reduced, and the recycling efficiency of the template is improved.
The present invention in a preferred example may be further configured to: one side of the corrugated board, which is far away from the bottom board, is detachably provided with a back board, the back board is provided with a through hole for the inflow pipe and the outflow pipe to pass through, a cavity is formed between the corrugated board and the back board, and the cavity is filled with heat-insulating filler.
By adopting the technical scheme, the back plate is fixed outside the corrugated plate, so that on one hand, the corrugated plate can be protected, and the leakage caused by cracks generated by collision and damage of the corrugated plate in the mounting and dismounting processes is prevented; on the other hand, the heat-insulating filler is filled in the cavity between the back plate and the corrugated plate, so that the heat exchange rate between the corrugated plate and the external environment can be greatly reduced, water in the flow channel can be concentrated to exchange heat with the bottom plate, and the temperature stability of the working surface of the aluminum alloy template is improved.
The present invention in a preferred example may be further configured to: one end of the bottom plate close to the side end cover plate extends to form an extending part with the same thickness as that of the side end cover plate, and the side end cover plate is welded and fixed with the bottom plate and the side plate at the joint; the two ends of the corrugated plate are abutted, fixed and sealed with the side end cover plates, and the two side end cover plates are alternately provided with communicating holes for communicating the two adjacent flow channels.
By adopting the technical scheme, the side end cover plate and the template main body can be manufactured respectively and then welded, the production difficulty of the template main body is greatly reduced, the mass production is facilitated, and the production and processing cost of the template is reduced.
The present invention in a preferred example may be further configured to: and a heat insulation coating is fixedly arranged on one surface of the side end cover plate, which is in contact with the corrugated plate.
By adopting the technical scheme, when water flows in the flow channel, the heat exchange capacity of the contact part of the side end cover plate and the water is greatly reduced, and the influence of the side end cover plate on the water temperature is effectively reduced.
The present invention in a preferred example may be further configured to: and a heat insulation layer is arranged on the inner wall of the communication hole.
By adopting the technical scheme, when water flows through the side end cover plate in the communicating hole, the heat exchange quantity of the side end cover plate in the water area is greatly reduced, and the influence of the side end cover plate on the water temperature is low.
The present invention in a preferred example may be further configured to: and reinforcing ribs are fixedly arranged on one side of the back plate, and a V-shaped positioning groove matched with the convex edge of the corrugated plate is formed in the other side of the back plate.
Through adopting above-mentioned technical scheme, when installing between backplate and the corrugated sheet, the bead cooperation of constant head tank and corrugated sheet for can not misplace between backplate and the corrugated sheet, the installation accuracy is high.
The present invention in a preferred example may be further configured to: and a heat insulation strip is fixed in the positioning groove.
Through adopting above-mentioned technical scheme, the thermal-insulated strip is with the shutoff of the thermal-insulated passageway of the contact site between corrugated sheet and the backplate, has further reduced the ability that the water in the runner carries out the heat exchange because of corrugated sheet and external environment.
The present invention in a preferred example may be further configured to: the template is characterized by further comprising a jacking mechanism arranged at the splicing position of two adjacent template main bodies, wherein the jacking mechanism comprises a U-shaped base, a handle bolt in threaded connection with the bottom wall of the opening of the base and a top plate rotatably arranged at the end part of the handle bolt and positioned inside the opening of the base, two side walls of the opening end of the base are provided with ejector rods in a penetrating manner, and two ends of each ejector rod are detachably connected with limiting parts; and strip-shaped holes for the ejector rods to pass through are further formed in the side plates and the side end cover plates.
Through adopting above-mentioned technical scheme, after two aluminum alloy template subassemblies are close to the concatenation, pass the bar hole of seam position with the ejector pin, when aluminum alloy template subassembly was assembled originally, two aluminum alloy template subassemblies probably had the dislocation in working face department, and this kind of design in bar hole can be favorable to passing of ejector pin. Then the two ends of the ejector rod are fixed by nuts, so that the two side plates are positioned between the clamping openings of the base and cannot be loosened.
And rotating the handle bolt, wherein the handle bolt penetrates through the base to move towards the side plate, and the top plate arranged at the end part of the handle bolt moves towards the side plate and abuts against the side plate. When a step exists between the two side plates, the step also exists between the main planes of the template main body, and the surface quality of the poured wall body is influenced. The handle bolt can be continuously rotated at the moment, and the top plate and the ejector rod act together to enable the two adjacent side plates to be aligned, so that the working surface of the template main body is a flat plane. At the moment, the through holes of the two side plates which are attached together are completely aligned, so that the template pin is convenient to install and fix.
The second aim of the invention is realized by the following technical scheme:
a construction process applying the aluminum alloy building template comprises the following steps:
(1) pre-assembling: abutting side plates of the two aluminum alloy building templates, and adjusting to enable strip-shaped holes in the two side plates to be communicated;
(2) installing a jacking mechanism: taking down the limiting piece and the ejector rod of the jacking mechanism, placing the base on the side plates and enabling the two side plates to be positioned between the openings of the base, and re-installing the limiting piece after the ejector rod penetrates through the base and the strip-shaped holes in the two side plates;
(3) leveling a working surface: rotating the handle bolt until the handle bolt cannot rotate, checking whether the joint positions of the side plates of the two aluminum alloy building templates are parallel and level, and repeating the steps (2) and (3) to adjust if the joint positions are not parallel and level;
(4) fixing the template: template pins penetrate through the through holes of the side plates to fix the two aluminum alloy building templates;
(5) connecting pipelines: communicating the inflow pipes and the outflow pipes at the positions, close to the joints, of the two adjacent templates through connecting pipes to form pouring units, wherein the inflow pipe of each pouring unit is externally connected with an inflow pipe, the outflow pipe of each pouring unit is externally connected with an outflow pipe, and the tail end of the outflow pipe is connected with a water collecting tank;
(6) template temperature pretreatment: respectively measuring the temperature T of the concrete to be pouredMixing ofAnd temperature T of the templateDie(ii) a When T isMixing of-TDieWhen the temperature is higher than 5 ℃, introducing first-stage warm water into the water inlet pipe, wherein the temperature of the first-stage warm water is TMixing ofPreheating the aluminum alloy building template at the temperature of 10-15 ℃ for 10-15 min; when T isDie-TMixing ofWhen the temperature is higher than 5 ℃, first-stage cold water is introduced into the water inlet pipe, and the temperature of the first-stage cold water is TMixing ofCooling the aluminum alloy building template in advance at the temperature of minus 10-15 ℃ for 10-15 min;
(7) pouring and removing the formwork: pouring concrete into the pretreated template, and when warm water is introduced in the first stage, introducing T in the second stageMixing ofHeating to 1-3 deg.C until the mould is removed; when cold water is introduced in the first stage, T is introduced in the second stageMixing ofThe time T required for reaching the stripping strength can be inquired according to the solidification strength curve of the concrete at the corresponding temperature from the cold water of (1-3) DEG C to the strippingDisassemblingAt the corresponding TDisassemblingAnd removing the mold.
By adopting the technical scheme, after the concrete is poured, the concrete is basically solidified at a constant temperature, and the solidification of the concrete is low influenced by the change of the external environment temperature, so that the solidification of the concrete is basically consistent with a solidification curve tested in a laboratory, and the form removal time can be scientifically selected according to the solidification curve instead of construction according to experience during site construction.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the template temperature is basically consistent with the concrete temperature during pouring, the concrete solidification time is greatly reduced under the influence of the external environment temperature, the template removal time can be accurately determined according to the solidification curve of the concrete, the template removal time can be favorably realized as early as possible in site construction, the template removal time occupied by traditional template removal according to experience is reduced, and the template recycling efficiency is improved;
2. the corrugated plate can form a flow channel on one hand, and can also be used as a reinforcing rib to improve the structural strength of the bottom plate on the other hand, so that the impact resistance of the whole template is improved;
3. and all parts of the template can be manufactured in advance and then assembled, so that the template is suitable for batch production and is low in production cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is an exploded view showing the structure of the various components;
FIG. 3 is a sectional view showing an internal structure in the direction A-A of FIG. 1;
FIG. 4 is a sectional view in the direction B-B of FIG. 3 showing the flow path of a liquid in a flow channel;
FIG. 5 is an enlarged view of the portion C of FIG. 3 showing the connection structure of the corrugated plate and the cover plate;
FIG. 6 is a schematic illustration of an application in an assembled state;
fig. 7 is an enlarged view of a portion D in fig. 6 showing the structure of the tightening mechanism.
In the figure: 1. a template body; 11. a base plate; 12. a side plate; 121. a strip-shaped hole; 122. a through hole; 13. a corrugated board; 14. a flow channel; 15. an inlet pipe; 16. a discharge pipe; 17. a guide post; 2. a side end cover plate; 21. a groove; 22. a limiting strip; 23. a communicating hole; 231. a thermal insulation layer; 3. a back plate; 31. reinforcing ribs; 32. flanging; 321. a fixing hole; 33. perforating; 34. positioning a groove; 35. a heat insulating strip; 4. a gasket; 5. heat preservation filling materials; 6. a jacking mechanism; 61. a base; 62. a handle bolt; 63. a top plate; 64. a top rod; 7. and (4) connecting the pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the aluminum alloy building template disclosed by the invention comprises a template main body 1 and side end cover plates 2 fixed on two opposite sides of the template main body 1, wherein a back plate 3 is detachably mounted on one side of the template main body 1 departing from a working plane; the template main part 1 is fixedly provided with a corrugated plate 13, and the corrugated plate 13 is fixedly provided with two communicated water receiving pipes. When the building template is used, hot water is introduced from one water receiving pipe when the ambient temperature is low, and the hot water flows out from the other water receiving pipe, so that the temperature of the template main body 1 is raised after the template main body 1 is heated, and the temperature of the working surface of the template main body 1 is kept as stable as possible; when the ambient temperature is higher, the cold water is introduced from one water receiving pipe, and the cold water flows out from the other water receiving pipe, so that part of heat of the template main body 1 is absorbed and taken away by the water, and the temperature of the working surface of the template main body 1 is kept stable as far as possible.
Referring to fig. 2 and 3, the form body 1 includes a rectangular bottom plate 11 and side plates 12 integrally fixed to two opposite sides of the bottom plate 11, one side of the bottom plate 11 is a smooth working surface, the side plates 12 are located on one side of the bottom plate 11 away from the working surface and are perpendicular to the bottom plate 11, the bottom plate 11 and the two side plates 12 form a frame with a cross section of "u", and the corrugated plate 13 is fixed to the bottom plate 11 and located between the two side plates 12.
The cross section of the corrugated plate 13 is wavy, and a plurality of flow channels 14 with two open ends are formed between the corrugated plate 13 and the bottom plate 11. Corrugated sheet 13 can be for the aluminum alloy preparation with the same material of bottom plate 11, avoids because producing the potential difference between the different metals and leads to template main part 1 to take place electrochemical corrosion, and corrugated sheet 13 can be integrated into one piece cast with bottom plate 11 and take shape. The corrugated board 13 can also be made of engineering plastics according to the requirement, and the corrugated board 13 and the bottom board 11 are fixedly welded.
The side plate 12 is provided with a plurality of strip-shaped holes 121 and through holes 122 along the length direction, and the bottom plate 11 is located at two adjacent ends of the side plate 12 and extends for a section to form an extension part.
Referring to fig. 2 and 3, the side end cover plate 2 is a rectangular plate, the length of the side end cover plate 2 is the same as the length of the extension portion, the thickness of the side end cover plate 2 is the same as the width of the extension portion, and the height of the side end cover plate 2 is adapted to the height of the side plate 12, so that the side end cover plate 2 can be attached to the extension portion and fixed, and the fixing manner may be welding. The joint of the side end cover plate 2 and the side plate 12 is sealed by sealant. The side end cover plate 2 is provided with a strip-shaped hole 121 and a through hole 122 which are at the same position as the side plate 12.
The side end cover plate 2 is close to the recess 21 that the cross section of corrugated sheet 13 suited is seted up to the one side of corrugated sheet 13 for behind the side end cover plate 2 both ends butt curb plate 12, the terminal surface of corrugated sheet 13 inserts in the recess 21. The depth of the groove 21 may be 3-10mm, here 5mm being chosen. The edge of one side of the groove 21 far away from the bottom plate 11 is fixed with a limit strip 22, after the end face of the corrugated plate 13 is inserted into the groove 21, the upper end of the corrugated plate 13 is tightly pressed by the limit strip 22, the positions of the side end cover plate 2 and the corrugated plate 13 are limited, and the possibility of dislocation during welding and fixing between the side end cover plate and the corrugated plate is further reduced.
In order to improve the sealing performance of the connection between the side end cover plate 2 and the corrugated plate 13, the sealing gasket 4 made of rubber is attached and fixed in the groove 21, and the sealing gasket 4 and the groove 21 can be welded and fixed.
Referring to fig. 3 and 4, two sides of the corrugated board 13 near the side board 12 are respectively fixed with pipe bodies communicated with the edge flow channels 14, wherein one pipe body is an inlet pipe 15, and the other pipe body is an outlet pipe 16. In order to make the liquid flow out from the flow outlet pipe 16 after passing through the flow channels 14 from the flow inlet pipe 15, a plurality of communication holes 23 are formed in the side end cover plate 2, the distance between the two ends of each communication hole 23 is matched with the distance between the two adjacent flow channels 14, so that after the side end cover plate 2 is fixed on the formwork main body 1, the communication holes 23 can communicate the two adjacent flow channels 14. The communicating holes 23 on the two side end cover plates 2 are alternately arranged, so that the plurality of flow channels 14 in the template main body 1 are communicated end to end in sequence.
The inner wall of the communication hole 23 is provided with a heat insulation layer 231, the heat insulation layer 231 can be a plastic pipe fixedly welded with the inner wall of the communication hole 23, the heat conductivity coefficient of the plastic pipe is far lower than that of aluminum alloy, and the flowing and losing rate of liquid from the communication hole 23 can be greatly reduced. The side end cover plate 2 is fixed with a heat insulation coating on one side with the communicating hole 23, and the heat insulation coating can be NS500 nanometer heat insulation paint with the thickness of 0.3mm which is fixedly coated.
Referring to fig. 2 and 3, a back plate 3 is connected to one side of the corrugated board 13, which is away from the bottom plate 11, and the contour size of the back plate 3 is adapted to the formwork main body 1, so that the periphery of the back plate 3 is respectively attached to the side plate 12 and the side end cover plate 2. The two sides of the back plate 3 connected with the side plate 12 are integrally provided with flanges 32, the flanges 32 are provided with fixing holes 321, the side plate 12 is provided with threaded holes aligned with the fixing holes 321, bolts penetrate through the fixing holes 321, and the back plate 3 is fixed on the side plate 12 through the matching of the bolts and the threaded holes of the side plate 12.
The four corners of the back plate 3 are respectively provided with a through hole 33, and the through holes 33 are aligned with the positions of the inlet pipe 15 and the outlet pipe 16, so that the back plate 3 covers the corrugated plate 13, and the inlet pipe 15 and the outlet pipe 16 can penetrate through the through holes 33 without interference. According to the needs, the corrugated board 13 is located the inlet pipe 15 or the outlet pipe 16 contralateral side and is fixed with the guide post 17 perpendicular to bottom plate 11, and when backplate 3 was covered to corrugated board 13, through the cooperation direction jointly of inlet pipe 15, outlet pipe 16 and guide post 17 for backplate 3 moved along fixed direction near corrugated board 13.
Referring to fig. 3 and 5, a plurality of reinforcing ribs 31 are fixed to one side of the back plate 3 in a longitudinal arrangement and a transverse arrangement, thereby improving the structural strength and deformation resistance of the back plate 3 as a whole. The one side that backplate 3 deviates from strengthening rib 31 is equipped with a plurality of constant head tanks 34 that are on a parallel with turn-ups 32, and the interval between constant head tank 34 is the same with the distance between two adjacent fins of corrugated sheet 13, and constant head tank 34 can be the V-arrangement groove, and 3 butts of backplate are to corrugated sheet 13 back, and constant head tank 34 is laminated with the fin on the corrugated sheet 13. In order to reduce the heat on the corrugated sheet 13 and pass through the outside transmission loss of backplate 3, the inside of constant head tank 34 is fixed with heat insulating strip 35, and heat insulating strip 35 can be the rubber strip, can the butt fusion between heat insulating strip 35 and the backplate 3 fixed.
A cavity is formed between the corrugated plate 13 and the back plate 3, so that the transmission loss rate of liquid heat in the flow channel 14 to the back plate 3 is reduced. In order to better improve the heat preservation effect, the cavity is filled with heat preservation filler 5, and the heat preservation filler 5 can be aerogel felt, expanded perlite and the like.
The manufacturing process of the aluminum alloy building template is as follows:
(1) forming an initial blank of the template main body 1 by using a casting process, and processing the periphery of the corrugated plate 13 of the template main body 1 to enable the end surfaces of the extension part and the side plate 12 to be smooth and flat; the groove 21 of the side end cover plate 2 is processed, and then the sealing gasket 4 is placed in the groove 21, so that the end face of the corrugated plate 13 is attached and inserted into the groove 21.
(2) The utility model has two side end cover plates 2 close to each other and are clamped tightly, and then the side end cover plates 2 and the template main body 1 are welded and fixed into a whole.
(3) And (3) carrying out water permeability sealing test on the template main body 1, and carrying out sealant coating anti-seepage treatment on the position where water seepage occurs.
(4) Heat insulation filling materials 5 are laid on one surface of the corrugated board 13, which is far away from the flow channel 14, then the back board 3 is covered on the corrugated board 13, and screws penetrate through the fixing holes 321 to be fixed with the template main body 1. And then, heating the side end cover plate 2, and melting the sealing gasket 4 to further fill up the gap between the corrugated plate 13 and the side end cover plate 2.
Referring to fig. 6, when the aluminum alloy formwork assembly is applied to construction, the side plates 12 of two aluminum alloy building formworks are aligned and spliced, and the tightening mechanism 6 is installed at the strip-shaped holes 121 of the side plates 12, so that two adjacent aluminum alloy building formworks are fixed into a whole.
Referring to fig. 7, the tightening mechanism 6 includes a U-shaped base 61, the base 61 is a clamping opening, and a handle bolt 62 is screwed on a surface of the base 61 opposite to the clamping opening; a top plate 63 is connected in the base 61 in a sliding manner, two ends of the top plate 63 are abutted against two side walls of an opening of the base 61, the top plate 63 is rotatably connected with the end part of the handle bolt 62, and the rotary connection mode can be a bearing connection; at least one through hole is respectively arranged on two side walls of the clamping opening of the base 61, an ejector rod 64 penetrates through the through hole, thread sections are arranged at two ends of the ejector rod 64, and nuts are connected to two ends of the ejector rod 64 through threads.
When two aluminum alloy template assemblies are close to the concatenation back, pass the bar hole 121 of seam position with ejector pin 64, because bar hole 121 sets up and has one section length along the direction of the 1 working face of perpendicular to template main part, when aluminum alloy template assembly assembled originally, two aluminum alloy template assemblies probably had the dislocation in working face department, and this kind of design of bar hole 121 can be favorable to passing of ejector pin 64. Then, the two ends of the top rod 64 are fixed by nuts, so that the two side plates 12 are located between the clamping openings of the base 61 and cannot be loosened.
The handle bolt 62 is rotated, the handle bolt 62 passes through the base 61 and moves toward the side plate 12, and the top plate 63 attached to the end of the handle bolt 62 moves toward the side plate 12 and presses the side plate 12. When a step exists between the two side plates 12, the step also exists between the main planes of the template main body 1, and the surface quality of the poured wall body is affected. At this point, the handle bolt 62 can be further rotated, and the top plate 63 and the ejector rod 64 cooperate to align the adjacent two side plates 12, so that the working surface of the formwork main body 1 is a flat plane. At this time, the through holes 122 of the two side plates 12 which are attached together are completely aligned, so that the template pins are conveniently installed and fixed.
Referring to fig. 6, a connecting pipe 7 is further connected between two adjacent aluminum alloy formwork assemblies, one end of the connecting pipe 7 is communicated with the outlet pipe 16 of one aluminum alloy formwork assembly, and the other end of the connecting pipe 7 is communicated with the inlet pipe 15 of the other aluminum alloy formwork assembly. The above process is repeated until the temperature difference between the inlet pipe 15 of the first aluminum alloy formwork assembly 15 and the outlet pipe 16 of the last aluminum alloy formwork assembly is not more than 3 ℃.
When the environment temperature is proper, the connecting pipe 7 can be disconnected, and the temperature difference between the inside and the outside after the aluminum alloy template assembly is assembled is basically zero. When the ambient temperature is higher or lower, can let in cold water or hot water from the inlet tube 15 on the aluminum alloy template subassembly, the working face of aluminum alloy template subassembly can remain stable to a certain extent because of the influence of temperature.
The aluminum alloy building template (code I type) and the common aluminum alloy building template (code II type) are applied to carry out construction test at a floor slab with the span of 5m, C30 common concrete is adopted for pouring concrete, and the test result of the form removal time is as follows:
| project parameters | Form panel Type (B) | Ambient temperature Degree/. degree.C | Temperature of the template Degree/. degree.C | Pouring concrete Soil temperature/. degree.C | Temperature of pouring form Degree/. degree.C | Maximum temperature of template in solidification period Poor Range/. degree C | Reach the 75% strength standard Value time/h | Strong practical form removal degree/MPa | When stripping the form M/h |
| Example 1 | Type I | 3 | 3 | 10 | 11 | 2 | 216 | 23.4 | 220 |
| Example 2 | Type I | 15 | 14 | 20 | 19 | 1 | 132 | 23.5 | 135 |
| Example 3 | Type I | 20 | 21 | 20 | 20 | 0.5 | 132 | 23.5 | 135 |
| Example 4 | Type I | 25 | 26 | 20 | 25 | 1 | 115 | 24.1 | 120 |
| Example 5 | Type I | 35 | 44 | 20 | 25 | 2 | 115 | 24.5 | 120 |
| Comparative example 1 | Type II | 3 | 3 | 10 | 3 | 8 | 312 | 23.1 | 336 |
| Comparative example 2 | Type II | 15 | 16 | 20 | 16 | 7 | 192 | 24.5 | 240 |
| Comparative example 3 | Type II | 20 | 21 | 20 | 22 | 6 | 144 | 25.3 | 156 |
| Comparative example 4 | Type II | 25 | 27 | 20 | 27 | 3 | 115 | 25.5 | 144 |
| Comparative example 5 | Type II | 25 | 27 | 20 | 27 | 6 | 130 | 24.0 | 144 |
| Comparative example 6 | Type II | 35 | 45 | 20 | 45 | 3 | 110 | 27.9 | 144 |
| Comparative example 7 | Type II | 35 | 45 | 20 | 45 | 10 | 125 | 26.2 | 144 |
| Comparative example 8 | Type II | 35 | 45 | 20 | 45 | 15 | 138 | 25.3 | 144 |
Analysis by combining the examples 1-5 and the comparative examples 1-8 shows that the temperature is easy to control stably in the process of pouring concrete by adopting the I-type template, the influence on the quality of the concrete in the later period is small, and the later period is in accordance with expectation, while the influence of the change of the environmental temperature on the II-type template is large, so that the change difference of the time when the concrete reaches 75 percent of the standard strength is large, and the field construction is generally controlled according to the longest time in order to ensure the safety of form removal; the method and the device can control the stripping time more accurately, reduce the stripping time from daily calculation to hourly calculation, greatly improve field scientific management, enable the template to be put into new use more quickly, and improve the utilization rate of the template.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides an aluminum alloy building templates, includes template main part (1), template main part (1) includes bottom plate (11) and the curb plate (12) of perpendicular fixation in the relative both sides of bottom plate (11) of rectangle, bottom plate (11) are located the adjacent both sides of curb plate (12) and are fixed with side end cover board (2), curb plate (12) and side end cover board (2) are equipped with a plurality of through-holes (122) that are used for the installation template pin along respective length direction, its characterized in that: a corrugated plate (13) is fixed on one side, close to the side plate (12), of the bottom plate (11), a plurality of communicated flow channels (14) are formed between the corrugated plate (13) and the bottom plate (11), and a flow inlet pipe (15) positioned at one end of each flow channel (14) and a flow outlet pipe (16) positioned at the other end of each flow channel (14) are fixed on the corrugated plate (13);
the formwork structure is characterized by further comprising a jacking mechanism (6) arranged at the splicing position of two adjacent formwork main bodies (1), wherein the jacking mechanism (6) comprises a U-shaped base (61), a handle bolt (62) in threaded connection with the bottom wall of the opening of the base (61) and a top plate (63) rotatably arranged at the end part of the handle bolt (62) and positioned inside the opening of the base (61), ejector rods (64) penetrate through two side walls of the opening end of the base (61), and two ends of each ejector rod (64) are detachably connected with limiting parts; the side plate (12) and the side end cover plate (2) are also provided with strip-shaped holes (121) for the ejector rods (64) to pass through;
a back plate (3) is detachably mounted on one side, away from the bottom plate (11), of the corrugated plate (13), a through hole (33) for the inflow pipe (15) and the outflow pipe (16) to penetrate through is formed in the back plate (3), a cavity is formed between the corrugated plate (13) and the back plate (3), and heat-insulating filler (5) is filled in the cavity;
one end of the bottom plate (11) close to the side end cover plate (2) extends to form an extension part with the same thickness as the side end cover plate (2), and the side end cover plate (2) is welded and fixed with the seam of the bottom plate (11) and the side plate (12); two ends of the corrugated plate (13) are abutted, fixed and sealed with the side end cover plates (2), and communication holes (23) for communicating two adjacent flow channels (14) are alternately arranged on the two side end cover plates (2).
2. The aluminum alloy building panel of claim 1, wherein: and a heat insulation coating is fixedly arranged on one surface of the side end cover plate (2) which is in contact with the corrugated plate (13).
3. The aluminum alloy building panel of claim 1, wherein: and a heat insulation layer (231) is arranged on the inner wall of the communication hole (23).
4. The aluminum alloy building panel of claim 1, wherein: and one side of the back plate (3) is fixedly provided with a reinforcing rib (31), and the other side of the back plate (3) is provided with a V-shaped positioning groove (34) matched with the convex rib of the corrugated plate (13).
5. The aluminum alloy building panel of claim 4, wherein: and a heat insulation strip (35) is fixed in the positioning groove (34).
6. The construction process of applying the aluminum alloy building template of claim 1, characterized in that: the method comprises the following steps:
(1) pre-assembling: abutting the side plates (12) of the two aluminum alloy building templates, and adjusting to enable the strip-shaped holes (121) on the two side plates (12) to be communicated;
(2) installing a jacking mechanism (6): taking down the limiting piece and the ejector rod (64) of the jacking mechanism (6), placing the base (61) on the side plates (12) and enabling the two side plates (12) to be positioned between the openings of the base (61), and re-installing the limiting piece after the ejector rod (64) penetrates through the base (61) and the strip-shaped holes (121) in the two side plates (12);
(3) leveling a working surface: rotating the handle bolt (62) until the handle bolt cannot rotate, checking whether the joint positions of the side plates (12) of the two aluminum alloy building templates are parallel and level, and if the joint positions are not parallel and level, repeating the steps (2) and (3) for adjustment;
(4) fixing the template: template pins penetrate through the through holes (122) of the side plates (12) to fix the two aluminum alloy building templates;
(5) connecting pipelines: communicating the inflow pipe (15) and the outflow pipe (16) which are close to the joint of the two adjacent templates through a connecting pipe (7) to form pouring units, wherein the inflow pipe (15) of each pouring unit is externally connected with an inflow pipe, the outflow pipe (16) of each pouring unit is externally connected with an outflow pipe, and the tail end of the outflow pipe is connected with a water collecting pool;
(6) template temperature pretreatment: respectively measuring the temperature T of the concrete to be pouredMixing ofAnd temperature T of the templateDie(ii) a When T isMixing of-TDieWhen the temperature is higher than 5 ℃, the reaction solution is mixed,introducing first-stage warm water into the water inlet pipe, wherein the temperature of the first-stage warm water is TMixing ofPreheating the aluminum alloy building template at the temperature of 10-15 ℃ for 10-15 min; when T isDie-TMixing ofWhen the temperature is higher than 5 ℃, first-stage cold water is introduced into the water inlet pipe, and the temperature of the first-stage cold water is TMixing ofCooling the aluminum alloy building template in advance at the temperature of minus 10-15 ℃ for 10-15 min;
(7) pouring and removing the formwork: pouring concrete into the pretreated template, and when warm water is introduced in the first stage, introducing T in the second stageMixing ofHeating to 1-3 deg.C until the mould is removed; when cold water is introduced in the first stage, T is introduced in the second stageMixing ofThe time T required for reaching the stripping strength can be inquired according to the solidification strength curve of the concrete at the corresponding temperature from the cold water of (1-3) DEG C to the strippingDisassemblingAt the corresponding TDisassemblingAnd removing the mold.
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| CN112282259B (en) * | 2020-10-27 | 2022-04-12 | 无锡德必隆新材料科技有限公司 | Energy-saving decorative flitch plate structure capable of quickly radiating |
| CN114607141A (en) * | 2022-03-21 | 2022-06-10 | 北京城建亚泰金典建设工程有限公司 | Quick-release aluminum formwork and construction method |
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| JP2014015784A (en) * | 2012-07-10 | 2014-01-30 | Techno Pro Kk | Form panel for concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ES1062449Y (en) * | 2006-03-17 | 2006-09-16 | Ugalde Sixto Iraolagoitia | CONCRETE CONCRETE MODULE |
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| CN1760620A (en) * | 2005-11-10 | 2006-04-19 | 华东理工大学 | Heat exchanger of heterotype boads |
| CN201764849U (en) * | 2010-08-11 | 2011-03-16 | 海尔集团公司 | Heat exchanger and energy-saving shower |
| JP2014015784A (en) * | 2012-07-10 | 2014-01-30 | Techno Pro Kk | Form panel for concrete |
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