Fixed type aluminum alloy supporting frame for repairing prefabricated building precast concrete stairs

Abstract

The utility model relates to a fixed aluminum alloy support frame for repairing prefabricated concrete stairs of a fabricated building, which comprises a high-position portal frame and a low-position portal frame, the high-position portal frame comprises two high-position support bases, two high-position straight support rods respectively arranged at the upper parts of the two high-position support bases, and a high-position transverse frame rod connected with the upper parts of the two high-position straight support rods; the low-position portal frame comprises two low-position supporting bases, two low-position straight supporting rods arranged on the upper portions of the low-position supporting bases respectively and a low-position transverse frame rod connected with the upper portions of the two low-position straight supporting rods. The structure is stable, use is convenient, a prefabricated stair can be erected for trimming, and construction safety and the quality of the prefabricated stair are improved; the aluminum alloy section bar is adopted for manufacturing, the weight is reduced, the strength is high, and meanwhile secondary recycling is facilitated; the high-position supporting base and the low-position supporting base are of a structure fixed to the ground, and fixed installation and use in a workshop are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of precast concrete assembly houses, in particular to a fixed aluminum alloy support frame for repairing precast concrete stairs in assembled buildings. Background Art

[0002] Prefabricated buildings are environmentally friendly buildings advocated by the country. Prefabricated concrete assembly houses have become the choice of many people due to their low cost, inherent advantages of manufacturing materials, quick installation, short construction period, environmental protection and energy saving. Prefabricated stairs, as an assembly project, are one of the indispensable prefabricated components. Usually, after the prefabricated stairs are cast, the roughcast needs to be sorted and repaired. The traditional construction method is to randomly lift and repair the prefabricated stairs on site after the mold is removed after casting. This construction method can easily cause the product to tilt or fall, causing the prefabricated stairs to be damaged by bumps and may also affect construction safety.

[0003] Aluminum alloy, as a newly emerging building material, has been widely used in the construction industry. The designer has been engaged in the research and development of aluminum alloy building materials and equipment for a long time, so he designed a fixed aluminum alloy support frame used in the repair and finishing of prefabricated concrete stairs. Utility Model Content

[0004] In view of the above-mentioned problems and shortcomings, the utility model proposes a fixed aluminum alloy support frame for prefabricated concrete stairs, which can facilitate the repair of prefabricated stairs and improve construction safety.

[0005] The technical solution of the utility model is achieved as follows: a fixed aluminum alloy support frame for repairing precast concrete stairs in assembled buildings comprises a high-level gantry and a low-level gantry, the high-level gantry comprising two high-level support bases, two high-level straight support rods respectively arranged on the upper parts of the two high-level support bases, and a high-level cross-frame rod connecting the upper parts of the two high-level straight support rods; the low-level gantry comprises two low-level support bases, two low-level straight support rods respectively arranged on the upper parts of the low-level support bases, and a low-level cross-frame rod connecting the upper parts of the two low-level straight support rods.

[0006] Preferably, the high-level support base includes a high-level aluminum bottom plate installed at the bottom of the two high-level straight support rods, a high-level bottom cross bar fixed to the bottom of the two high-level straight support rods, a first high-level diagonal support rod respectively arranged on the front and rear sides of the two high-level straight support rods, a second high-level diagonal support rod arranged on the outside of the two high-level straight support rods, and a first diagonal support aluminum bottom plate respectively installed at the bottom of the first high-level diagonal support rod and the second high-level diagonal support rod, the high-level aluminum bottom plate of the two high-level straight support rods is fixed to the ground by a first expansion bolt; the first diagonal support aluminum bottom plate of the first high-level diagonal support rod and the second high-level diagonal support rod is fixed to the ground by a second expansion bolt; the low-level support base includes a first low-level aluminum bottom plate installed at the bottom of the two low-level straight support rods and a low-level bottom cross bar fixed to the bottom of the two low-level straight support rods, and the first low-level aluminum bottom plate of the two low-level straight support rods is fixed to the ground by a third expansion bolt.

[0007] Preferably, the upper ends of the first high-position diagonal brace rod and the second high-position diagonal brace rod are fixedly connected with a long angle code and a short angle code, and the long angle code and the short angle code are fixed in the groove of the high-position straight support rod by bolts.

[0008] Preferably, a first low-level diagonal brace is respectively provided on the front and rear sides of the two low-level straight support rods, a second low-level diagonal brace is provided on the outer side of the two low-level straight support rods, and a second diagonal brace aluminum bottom plate is respectively provided at the bottom of the first low-level diagonal brace and the second low-level diagonal brace, and the second diagonal brace aluminum bottom plates of the first low-level diagonal brace and the second low-level diagonal brace are fixed to the ground by fourth expansion bolts.

[0009] Preferably, the two high-position straight support rods, the two low-position straight support rods, the two high-position support bases, the two low-position support bases, the high-position cross-beams and the low-position cross-beams are all made of square plum blossom tubes of aluminum alloy profiles.

[0010] Preferably, the high-position cross-frame rod and the low-position cross-frame rod are made of grooved aluminum tubes, and black rubber is installed on the upper part of the grooved aluminum tubes.

[0011] Beneficial effects of the utility model:

[0012] 1. The structure is stable and easy to use. Prefabricated stairs can be erected for repair, which improves construction safety and the quality of prefabricated stairs;

[0013] 2. Made of aluminum alloy profiles, it reduces weight, has higher strength, and is also easy to recycle;

[0014] 3. The high-position support base and the low-position support base are fixed to the ground, which is convenient for fixed installation and use in the workshop. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure of the high-level gantry from a bird's-eye view. DETAILED DESCRIPTION

[0017] Embodiment 1: Figure 1-2 The utility model provides a fixed aluminum alloy support frame for repairing precast concrete stairs in assembled buildings, including a high-position gantry and a low-position gantry. The high-position gantry includes two high-position support bases, two high-position straight support rods 11 respectively arranged on the upper parts of the two high-position support bases, and a high-position cross-frame rod 12 connecting the upper parts of the two high-position straight support rods 11; the low-position gantry includes two low-position support bases, two low-position straight support rods 22 respectively arranged on the upper parts of the low-position support bases, and a low-position cross-frame rod 22 connecting the upper parts of the two low-position straight support rods 21. The high-position support base includes a high-position aluminum bottom plate 151 installed at the bottom of the two high-position straight support rods 11, a high-position bottom cross bar 16 fixed to the bottom of the two high-position straight support rods 11, a first high-position diagonal support rod 18 respectively arranged on the front and rear sides of the two high-position straight support rods 11, a second high-position diagonal support rod 19 arranged on the outside of the two high-position straight support rods 11, and a first diagonal support aluminum bottom plate 153 respectively installed at the bottom of the first high-position diagonal support rod 18 and the second high-position diagonal support rod 19. The high-position aluminum bottom plate 151 of the two high-position straight support rods 11 is fixed to the ground by a first expansion bolt 152; the first diagonal support aluminum bottom plate 153 of the first high-position diagonal support rod 18 and the second high-position diagonal support rod 19 is fixed to the ground by a second expansion bolt 154.

[0018] The low-level support base of this embodiment includes a low-level aluminum bottom plate 251 installed at the bottom of the two low-level straight support rods 21 and a low-level bottom cross bar fixed to the bottom of the two low-level straight support rods 21. The low-level aluminum bottom plate 251 of the two low-level straight support rods 21 is fixed to the ground by a third expansion bolt 155; the upper ends of the first high-level diagonal support rod 18 and the second high-level diagonal support rod 19 are fixedly connected to the long angle code 6 and the short angle code 5, and the long angle code 6 and the short angle code 5 are fixed in the groove of the high-level straight support rod 11 by bolts 7.

[0019] In this embodiment, the two high-position straight support rods 11 and the two low-position straight support rods 21, the high-position cross frame rod 12, the two high-position aluminum bottom plates 151, the high-position bottom cross bar 16, the first high-position diagonal support rod 18, the second high-position diagonal support rod 19, the first diagonal support aluminum bottom plate 153, the two low-position aluminum bottom plates 251, the low-position bottom cross bar, the second diagonal support aluminum bottom plate and the low-position cross frame rod 22 are all made of square plum blossom tubes of aluminum alloy profiles.

[0020] In this embodiment, the high-position cross-frame rod 12 and the low-position cross-frame rod 22 are made of grooved aluminum tubes, and black rubber 8 is installed on the upper part of the grooved aluminum tubes.

[0021] In this embodiment, first low-position diagonal braces may be respectively provided on the front and rear sides of the two low-position straight braces 21, second low-position diagonal braces may be provided on the outside of the two low-position straight braces 21, and third diagonal brace aluminum bottom plates may be respectively provided at the bottoms of the first low-position diagonal braces and the second low-position diagonal braces. The third diagonal brace aluminum bottom plate is fixed to the ground by fourth expansion bolts. The first low-position diagonal brace, the second low-position diagonal brace, the third diagonal brace aluminum bottom plate and the low-position crossbar 22 are all made of square plum blossom tubes of aluminum alloy profiles.

[0022] Embodiment 2: Based on embodiment 1, a telescopic rod is provided to connect the high bottom cross bar 16 and the low bottom cross bar. The telescopic rod can be telescopically adjusted to the required length and fixed. The distance between the high gantry and the low gantry is adjusted by the telescopic rod to meet the needs of erecting precast concrete stairs of different lengths.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed aluminum alloy support frame for repairing prefabricated concrete stairs in assembled buildings, characterized by: It comprises a high-position gantry and a low-position gantry, wherein the high-position gantry comprises two high-position support bases, two high-position straight support rods (11) respectively arranged on the upper parts of the two high-position support bases, and a high-position crossbar (12) connecting the upper parts of the two high-position straight support rods (11); The low-level gantry comprises two low-level support bases, two low-level straight support rods (21) respectively arranged on the upper parts of the low-level support bases, and a low-level cross-beam rod (22) connecting the upper parts of the two low-level straight support rods (21); The high-position support base comprises a high-position aluminum bottom plate (151) installed at the bottom of the two high-position straight support rods (11), a high-position bottom cross bar (16) fixed at the bottom of the two high-position straight support rods (11), a first high-position diagonal support rod (18) respectively arranged at the front and rear sides of the two high-position straight support rods (11), a second high-position diagonal support rod (19) arranged at the outside of the two high-position straight support rods (11), and a first diagonal support aluminum bottom plate (153) respectively installed at the bottom of the first high-position diagonal support rod (18) and the second high-position diagonal support rod (19), wherein the high-position aluminum bottom plate (151) of the two high-position straight support rods (11) is fixed to the ground by a first expansion bolt (152); and the first diagonal support aluminum bottom plates (153) of the first high-position diagonal support rod (18) and the second high-position diagonal support rod (19) are fixed to the ground by a second expansion bolt (154); The low-position support base comprises a first low-position aluminum bottom plate (251) mounted on the bottom of two low-position straight support rods (21) and a low-position bottom cross bar fixed to the bottom of the two low-position straight support rods (21); the first low-position aluminum bottom plate (251) of the two low-position straight support rods (21) is fixed to the ground via a third expansion bolt (155).

2. The fixed aluminum alloy support frame for repairing prefabricated concrete stairs in an assembled building according to claim 1 is characterized by: The upper ends of the first high-position diagonal support rod (18) and the second high-position diagonal support rod (19) are fixedly connected with a long angle bracket (6) and a short angle bracket (5), and the long angle bracket (6) and the short angle bracket (5) are fixed in the groove of the high-position straight support rod (11) by bolts (7).

3. The fixed aluminum alloy support frame for repairing prefabricated concrete stairs in an assembled building according to claim 1 is characterized by: The two low-position straight support rods (21) are respectively provided with first low-position oblique support rods on the front and rear sides, and second low-position oblique support rods are respectively provided on the outside of the two low-position straight support rods (21), and second oblique support aluminum bottom plates are respectively provided at the bottoms of the first low-position oblique support rod and the second low-position oblique support rod.

4. The fixed aluminum alloy support frame for repairing prefabricated concrete stairs in an assembled building according to claim 1 is characterized in that: The two high-position straight support rods (11) and the two low-position straight support rods (21) are made of square plum blossom tubes of aluminum alloy profiles.

5. The fixed aluminum alloy support frame for repairing prefabricated concrete stairs in an assembled building according to claim 1 is characterized by: The two high-position support bases, the two low-position support bases, the high-position cross-frame rod (12) and the low-position cross-frame rod (22) are all made of square plum blossom tubes made of aluminum alloy profiles.

6. The fixed aluminum alloy support frame for repairing prefabricated concrete stairs in an assembled building according to claim 1 is characterized by: The high-position cross-frame rod (12) and the low-position cross-frame rod (22) are made of grooved aluminum tubes, and black rubber (8) is installed on the upper part of the grooved aluminum tubes.

Images