CN213868587U - Large-volume concrete reinforcing steel bar mesh supporting system - Google Patents
Large-volume concrete reinforcing steel bar mesh supporting system Download PDFInfo
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- CN213868587U CN213868587U CN202022794085.9U CN202022794085U CN213868587U CN 213868587 U CN213868587 U CN 213868587U CN 202022794085 U CN202022794085 U CN 202022794085U CN 213868587 U CN213868587 U CN 213868587U
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Abstract
The utility model discloses a bulky concrete reinforcing bar net piece support system, it includes a plurality of support frames that are latticed distribution, the support frame includes that a pole setting and a plurality of interval are fixed in the pole setting, and is the vaulting pole subassembly that the level set up, and every vaulting pole subassembly comprises two at least crossbars that are cross form, and the length of each crossbeam in the vaulting pole subassembly of bottom is greater than the length of each crossbeam in other each vaulting pole subassemblies.
Description
Technical Field
The utility model relates to a construction field, concretely relates to bulky concrete reinforcement net piece support system.
Background
The mass concrete refers to mass concrete with the minimum geometric dimension of concrete structure entity not less than 1m, or concrete with harmful crack generation caused by temperature change and shrinkage caused by hydration of cementing materials in the concrete. According to the regulation of the 'large-volume concrete construction standard' GB50496-2018, a steel support system is required to be adopted when large-volume concrete is constructed. Specifically, the steel support system mainly comprises a layer of bottom steel bar net sheets and one or more layers of upper steel bar net sheets, wherein a split heads bar or a section steel welding support is needed to be adopted between each layer of steel bar net sheets to support the weight of the upper steel bar, and the elevation of the steel bar and the whole construction load of the upper operation platform are controlled. And general steel bar support and split heads bearing capacity are relatively poor, and the split heads can only support upper and lower two-layer reinforcing bar net piece, can not support multilayer reinforcing bar net piece simultaneously. In addition, in order to solve the problem of cracking of mass concrete, water pipes are paved in the concrete in the prior art, and the concrete is cooled through water flow, so that the cracking of the concrete is avoided. The supporting force of the split heads is limited, and the water pipes cannot be laid and positioned.
Disclosure of Invention
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a simple structure, prop up and establish the convenience and can carry out the bulky concrete reinforcing bar net piece support system that supports to multilayer reinforcing bar net piece simultaneously.
In order to solve the technical problem, the utility model adopts the following technique
The utility model provides a bulky concrete reinforcing bar net piece support system which characterized in that, it includes a plurality of support frames that are latticed and distribute, the support frame includes that an pole setting and a plurality of interval are fixed in the pole setting, and is the vaulting pole subassembly of level setting, and every vaulting pole subassembly comprises at least two crossbars that are the cross, and the length of each crossbeam is greater than the length of each crossbeam in each vaulting pole subassembly above the bottom in the vaulting pole subassembly of bottom. Therefore, the support frames form a support system for multiple layers of reinforcing mesh sheets, the support rod assemblies of the support frames are positioned on the same plane, and a horizontal support is formed for each layer of reinforcing mesh sheet. Each support frame sets up independently, and outside the tip of bottom vaulting pole subassembly all stretched out each vaulting pole subassembly in its top, formed a great cross and supported to can stand each support frame well on ground, be favorable to laying of follow-up reinforcing bar net piece, and the structure is firm. Each support frame sets up independently, need not connect each other, and support system simple to operate. In addition, each support frame not only can form the support to reinforcing bar net piece, can also form the support to the water pipe.
Furthermore, each support rod component consists of two transverse rods, a bayonet buckled with the vertical rod is arranged in the middle of each transverse rod, and the two transverse rods are fixed with the vertical rod through welding after being buckled with the vertical rod through the bayonets. Like this, the vaulting pole subassembly passes through welded fastening with the pole setting, and the length that each horizontal pole stretches out the pole setting outside is also unanimous, and is even to reinforcing bar net's support.
Furthermore, the pole setting comprises a plurality of branches, all is equipped with one at every vaulting pole subassembly and the corresponding one side of branch and with branch tip matched with sleeve, the sleeve passes through welded fastening in the crossing department of two horizontal poles of vaulting pole subassembly. Like this, the pole setting has the multistage, and the mode of pegging graft through the sleeve between every section and the vaulting pole subassembly is fixed together to can lay the completion back at lower one deck reinforcing bar net piece, fix the last layer vaulting pole subassembly again, form the support to lower one deck reinforcing bar net piece, this kind of mode of setting up, the laying of reinforcing bar net piece of can being convenient for is favorable to accelerating reinforcing bar net piece and lays efficiency.
Furthermore, the section of the sleeve is rectangular or polygonal, and the section shapes of the upper end and the lower end of each supporting rod are consistent with the section shape of the sleeve. Therefore, after the sleeve is rectangular or polygonal, the sleeve cannot rotate under the influence of external force after being spliced with the supporting rod, and the stability is high.
Further, the sleeve is an internal thread sleeve, and the upper end and the lower end of each supporting rod are provided with external threads matched with the threads of the sleeve. Like this, in concrete implementation, can be according to the interval of upper and lower two-layer reinforcing bar net piece, the fastening length of selection sleeve and pole setting, and then adjust the interval of two upper and lower vaulting pole subassemblies, adapt to more operating modes.
Furthermore, a plurality of positioning clamping plates are arranged on the upper end face of each cross rod of each supporting rod assembly at intervals, and a clamping groove used for clamping a water pipe is formed between every two adjacent positioning clamping plates. Like this, the water pipe accessible draw-in groove is fixed, can not break off or appear droing under the concrete extrusion.
Furthermore, the draw-in groove comprises a plurality of limiting plates that set up along the length direction interval of crossbeam, and the interval is unanimous between per two adjacent limiting plates. Like this, the limiting plate setting mode is simple, and the mode that adopts the chucking to set up installs the water pipe comparatively conveniently.
Further, each clamping groove is formed by a U-shaped buckle with an opening at the upper end. Like this, the mode that the water pipe can be gone into from the top down is fixed, and fixed mode is simple, and is convenient.
Drawings
FIG. 1 is a schematic view of an installation structure of a reinforcing mesh support system in an embodiment;
FIG. 2 is a schematic structural view of the supporting frame of embodiment 1;
FIG. 3 is a schematic view showing a disassembled structure of the supporting stand according to embodiment 2;
fig. 4 is a schematic view of a split structure of the top stay assembly and the strut in example 2.
In the figure: the device comprises upright rods 1, supporting rods 11, a supporting rod component 2, a cross rod 21, a sleeve 22, a limiting plate 23 and a clamping groove 24.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1 and fig. 2, the large-volume concrete reinforcing steel bar mesh supporting system provided in this embodiment includes a plurality of supporting frames distributed in a grid shape, where the supporting frames include an upright 1 and a plurality of horizontally arranged strut assemblies 2 fixed to the upright 1 at intervals, each strut assembly 2 is composed of at least two cross-shaped cross bars 21, and the length of each cross bar 21 in the bottom strut assembly 2 is greater than the length of each cross bar 21 in each strut assembly 2 above the bottom.
The vertical rod 1 in the embodiment is made of steel bars, the cross rods 21 are fixed on the vertical rod 1 by welding, and the cross rods 21 can also be made of steel bars. Meanwhile, in order to ensure that the two cross rods 21 are positioned on the same installation plane and are welded with the vertical rod 1 stably, each strut assembly 2 consists of the two cross rods 21, a bayonet (not shown in the figure) buckled with the vertical rod 1 is arranged in the middle of each cross rod 21, and the two cross rods 21 are fixed with the vertical rod 1 through welding after being buckled with the vertical rod 1 through the bayonets.
Example 2:
as shown in fig. 3, the large-volume concrete reinforcing mesh support system provided by this embodiment includes a plurality of support frames distributed in a grid shape, where each support frame includes an upright and a plurality of horizontally arranged strut assemblies 2 fixed to the upright at intervals, each strut assembly 2 is composed of at least two cross-shaped cross bars 21, and the length of each cross bar 21 in the strut assembly 2 at the bottom is greater than the length of each cross bar 21 in each strut assembly 2 above the bottom.
In this embodiment, the cross bar 21 of each strut assembly 2 is a rectangular pipe, the two rectangular pipes are cross-shaped, and the upper end faces are located on the same plane. When the pipe fitting is specifically installed, the middle part of one rectangular pipe fitting is provided with an installation groove, the other rectangular pipe fitting is clamped in the installation groove, and the intersection parts of the two rectangular pipe fittings are fixed together by using a fastening piece or are directly welded and fixed together.
The vertical rod in this embodiment is composed of a plurality of support rods 11, a sleeve 22 matched with the end of each support rod 11 is arranged on one side of each support rod assembly 2 corresponding to each support rod 11, and the sleeve 22 is fixed at the intersection of two cross rods 21 of each support rod assembly 2 through welding.
The cross section of the sleeve 22 is rectangular or polygonal, the cross section of the upper end and the lower end of each strut 11 is consistent with the cross section of the sleeve 22, and the sleeve 22 and the struts 11 are fixed together in a socket-and-spigot manner (as shown in fig. 3). In a specific embodiment, the sleeve 22 may be an internally threaded sleeve, and the upper and lower ends of each strut 11 may be externally threaded, and the ends of the struts 11 may be fixed to the sleeve 22 by screwing (as shown in fig. 4).
In order to fix and bind the reinforcing mesh, a plurality of clamping grooves 24 used for clamping water pipes are arranged on the upper end surface of each cross rod 21 of each supporting rod component 2 at intervals. The clamping groove 24 is composed of a plurality of limiting plates 23 arranged at intervals along the length direction of the cross bar, and the distance between every two adjacent limiting plates 23 is consistent. In practical implementation, the locking slots 24 may be formed by U-shaped fasteners having openings at upper ends.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and although the applicant has described the present invention in detail with reference to the preferred embodiments, those skilled in the art should understand that those modifications or equivalent substitutions to the technical solutions of the present invention can be made without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a bulky concrete reinforcing bar net piece support system, its characterized in that, it includes a plurality of support frames that are latticed distribution, the support frame includes that a pole setting (1) and a plurality of interval are fixed on pole setting (1), and is vaulting pole subassembly (2) that the level set up, and every vaulting pole subassembly (2) comprise at least two horizontal poles (21) that are the cross form, and the length of each horizontal pole (21) is greater than the length of each horizontal pole (21) in each vaulting pole subassembly (2) more than the bottom in vaulting pole subassembly (2) of bottom.
2. A mass concrete reinforcing mesh sheet supporting system according to claim 1, wherein each brace rod component (2) is composed of two cross rods (21), a bayonet which is buckled with the vertical rod (1) is arranged in the middle of each cross rod (21), and the two cross rods (21) are fixed with the vertical rod (1) through welding after being buckled with the vertical rod (1) through the bayonet.
3. A mass concrete reinforcing mesh support system according to claim 1, characterized in that said vertical pole (1) is composed of a plurality of supporting poles (11), a sleeve (22) fitted to the end of each supporting pole (11) is provided on the side of each supporting pole assembly (2) corresponding to the supporting pole (11), said sleeve (22) is fixed at the intersection of the two cross bars (21) of the supporting pole assembly (2) by welding.
4. A mass concrete reinforcing mesh support system according to claim 3, wherein said sleeve (22) is rectangular or polygonal in cross-section, and the cross-sectional shape of the upper and lower ends of each strut (11) is identical to the cross-sectional shape of the sleeve (22).
5. A mass concrete reinforcing mesh support system according to claim 3, wherein said sleeve (22) is an internally threaded sleeve, and each of the upper and lower ends of each strut (11) has external threads for threaded engagement with the sleeve.
6. A mass concrete reinforcing mesh support system according to any one of claims 1 to 5, characterized in that a plurality of slots (24) for the fastening of water pipes are provided at intervals on the upper end face of each cross bar (21) of each brace rod assembly (2).
7. The large-volume concrete reinforcement mesh support system according to claim 6, wherein the clamping groove (24) is composed of a plurality of limiting plates (23) arranged at intervals along the length direction of the cross bar, and the distance between every two adjacent limiting plates (23) is consistent.
8. A mass concrete tendon mesh support system as claimed in claim 6 in which each slot (24) is formed by a U-shaped catch having an opening at its upper end.
Priority Applications (1)
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CN202022794085.9U CN213868587U (en) | 2020-11-27 | 2020-11-27 | Large-volume concrete reinforcing steel bar mesh supporting system |
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CN202022794085.9U CN213868587U (en) | 2020-11-27 | 2020-11-27 | Large-volume concrete reinforcing steel bar mesh supporting system |
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CN213868587U true CN213868587U (en) | 2021-08-03 |
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