Large cantilever structure construction supporting frame

Abstract

The utility model discloses a large cantilever structure construction supporting frame which comprises a supporting frame body, the supporting frame body is formed by combining a plurality of sets of large cantilever frame mechanisms distributed at equal intervals, and any set of the large cantilever frame mechanisms distributed at equal intervals comprises inclined struts and I-shaped cantilever channel steel. A plurality of sets of limiting structures distributed at equal intervals are arranged at the end, close to the interior of a room, of the outer surface of the I-shaped cantilever steel channel and fixedly connected with the building floor through longitudinal embedded split bolts. According to the limiting structure, the I-shaped cantilever channel steel and the longitudinal pre-embedded split bolt are locked in all directions through the top face positioning base, the side face positioning base and the connecting pressing base, transverse limiting can be effectively conducted on the cantilever channel steel, and therefore the risk that the cantilever channel steel shifts when bearing large force is effectively avoided; compared with the existing cantilever channel steel, the stability and safety of the whole structure are greatly improved, and the construction safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of building support, in particular to a large cantilever structure construction support frame. Background Art

[0002] Cantilever is a professional term in building construction. It refers to an effect achieved by building components using cable structures or other structures. Cantilever structure is one of the common structural forms in engineering structures, such as awnings, eaves, external balconies, and corridors in construction projects. This structure is a cantilever structure formed by cantilevering beams or plates from the main structure. It is essentially a beam-slab structure. At the same time, the corresponding construction support frame needs to be used for the construction of the cantilever structure. Generally, cantilever channel steel is extended to the outdoors. The indoor part is fixed to the building floor with embedded bolts, and a pressing plate is placed on the top surface of the cantilever channel steel so that the embedded bolts pass through the inside of the pressing plate for compression and fixing. The fixed structure of the cantilever channel steel can effectively bear the load, but there is no lateral limiting structure, and it cannot effectively avoid the risk of displacement of the cantilever channel steel when it is subjected to large force, which will directly affect the safety of the construction, so that the stability and safety of the overall structure need to be improved.

[0003] Therefore, it is particularly important to design a large cantilever structure construction support frame to solve the above-mentioned defects. Utility Model Content

[0004] 1) Technical problems to be solved by the utility model

[0005] In view of the shortcomings of the existing technology, the utility model designs a large cantilever structure construction support frame, which solves the technical problem that the existing cantilever channel steel fixed structure has no lateral limiting structure, cannot effectively avoid the risk of cantilever channel steel shifting when subjected to large force, and directly affects the safety of construction, thereby causing the stability and safety of the overall structure to be improved.

[0006] 2) Technical solution

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A large cantilever structure construction support frame comprises a support frame body, wherein the support frame body is composed of a plurality of groups of equidistantly distributed large cantilever frame mechanisms, wherein any one of the plurality of equidistantly distributed large cantilever frame mechanisms comprises diagonal braces and I-shaped cantilever channel steels, wherein a plurality of groups of equidistantly distributed limiting structures are arranged on the outer surface of the I-shaped cantilever channel steel near one end indoors, wherein the plurality of groups of equidistantly distributed limiting structures and building floors are fixedly connected by longitudinally embedded tension bolts, wherein any one of the plurality of groups of equidistantly distributed limiting structures comprises a top surface locating seat and a side surface locating seat fixedly installed on the top surface and two side surfaces of the I-shaped cantilever channel steel, wherein a connecting pressure seat is installed through the interior of the top surface locating seat, and both ends of the connecting pressure seat extend to the top surface of the side surface locating seat.

[0009] As a preferred solution of the utility model, the top surface positioning seat is composed of two groups of parallel upper concave positioning blocks, a pressure seat groove is provided between the two groups of parallel upper concave positioning blocks, and the connecting pressure seat is located inside the pressure seat groove.

[0010] As a preferred solution of the utility model, the side positioning seat is composed of two groups of symmetrically distributed side positioning blocks, an I-shaped groove compatible with the I-shaped cantilever channel steel is arranged between the two groups of symmetrically distributed side positioning blocks, and the two groups of symmetrically distributed side positioning blocks are penetrated at one end away from the I-shaped cantilever channel steel and are provided with a first U-shaped mounting hole compatible with the longitudinal embedded tension bolt.

[0011] As a preferred solution of the utility model, corresponding second U-shaped mounting holes are formed through both ends of the connecting pressure seat near the first U-shaped mounting hole.

[0012] As a preferred solution of the utility model, a diagonal steel wire hanging lug is fixedly installed on the top surface of the I-shaped cantilever channel steel near one end outdoors.

[0013] As a preferred solution of the utility model, the diagonal brace includes an L-shaped right-angle frame fixedly installed on the bottom surface of the I-shaped cantilever channel steel, and a diagonal frame is fixedly installed inside the L-shaped right-angle frame. The L-shaped right-angle frame and the building wall are fixedly connected by transverse pre-embedded tension bolts.

[0014] As a preferred solution of the utility model, the oblique frames are provided in a plurality of groups, and the lengths of the plurality of groups of oblique frames are different.

[0015] 3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The limiting structure in the utility model utilizes the top surface positioning seat, the side positioning seat, and the connecting pressure seat to lock the I-shaped cantilever channel steel and the longitudinal embedded tension bolts in all directions, which can effectively limit the cantilever channel steel laterally, thereby effectively avoiding the risk of the cantilever channel steel shifting when the force is large, so that the stability and safety of the overall structure are greatly improved compared with the existing cantilever channel steel, which is beneficial to ensuring the safety of construction, thereby effectively solving the problems raised in the above-mentioned background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 2 It is a three-dimensional enlarged structural diagram of the large cantilever frame mechanism in the utility model;

[0020] Figure 3 It is a three-dimensional enlarged structural diagram of the I-shaped cantilever channel steel in the utility model;

[0021] Figure 4 It is a three-dimensional enlarged structural schematic diagram of the oblique support in the utility model;

[0022] Figure 5 It is a schematic diagram of the disassembled three-dimensional structure of the limiting structure in the utility model;

[0023] Figure 6 It is a three-dimensional enlarged structural schematic diagram of the top surface positioning seat in the utility model;

[0024] Figure 7 It is a three-dimensional enlarged structural schematic diagram of the side positioning seat in the utility model;

[0025] Figure 8 It is a three-dimensional enlarged structural diagram of the connection pressure seat in the utility model;

[0026] In the figure: 1. Support frame body; 2. Large cantilever frame mechanism; 3. Diagonal brace; 31. L-shaped right-angle frame; 32. Diagonal frame; 33. Transverse pre-embedded tension bolts; 4. I-shaped cantilever channel steel; 41. Limiting structure; 411. Top surface positioning seat; 4111. Upper concave positioning block; 4112. Pressure seat groove; 412. Side positioning seat; 4121. Side positioning block; 4122. I-shaped groove; 4123. First U-shaped mounting hole; 413. Connecting pressure seat; 4131. Second U-shaped mounting hole; 42. Longitudinal pre-embedded tension bolts; 43. Diagonal wire lifting ear. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] Example:

[0029] The embodiment of the utility model provides a large cantilever structure construction support frame, which solves the technical problem that the existing cantilever channel steel fixing structure has no lateral limit structure, and cannot effectively avoid the risk of cantilever channel steel deflection when subjected to large force, which directly affects the safety of construction, thereby making the stability and safety of the overall structure need to be improved;

[0030] See also Figure 1-Figure 8 The utility model provides a technical solution: a large cantilever structure construction support frame, including a support frame body 1, the support frame body 1 is composed of a plurality of groups of equally distributed large cantilever frame mechanisms 2, any group of the plurality of groups of equally distributed large cantilever frame mechanisms 2 includes a diagonal brace 3 and an I-shaped cantilever channel steel 4,

[0031] The diagonal brace 3 includes an L-shaped right-angle frame 31 fixedly installed on the bottom surface of the I-shaped cantilever channel steel 4, and a diagonal frame 32 is fixedly installed inside the L-shaped right-angle frame 31. The L-shaped right-angle frame 31 and the building wall are fixedly connected by transverse pre-embedded tension bolts 33. When supporting and installing, the L-shaped right-angle frame 31 can be first fixedly connected to the building wall by transverse pre-embedded tension bolts 33, and then the I-shaped cantilever channel steel 4 is placed on the L-shaped right-angle frame 31 for installation. The diagonal brace 3 can improve the load performance of the I-shaped cantilever channel steel 4 and make it more stable.

[0032] Among them, the outer surface of the I-shaped cantilever channel steel 4 is provided with a plurality of equally spaced limiting structures 41 near one end of the room, and the plurality of equally spaced limiting structures 41 and the building floor are fixedly connected by longitudinal pre-buried tension bolts 42. The top surface of the I-shaped cantilever channel steel 4 is fixedly installed with an inclined steel wire hanging ear 43 near one end of the room, and the plurality of equally spaced limiting structures 41 are fixedly connected with the corresponding longitudinal pre-buried tension bolts 42 to realize the fixed limiting of the building floor and the I-shaped cantilever channel steel 4. At the same time, the inclined steel wire hanging ear 43 can be fixedly connected with the embedded hanging ear of the building outer wall by steel wire to realize inclined support.

[0033] Among them, any one of the plurality of equally spaced limiting structures 41 includes a top surface positioning seat 411 and a side surface positioning seat 412 fixedly mounted on the top surface and both sides of the I-shaped cantilever channel steel 4, the top surface positioning seat 411 is composed of two groups of upper concave positioning blocks 4111 arranged in parallel, a pressure seat groove 4112 is arranged between the two groups of upper concave positioning blocks 4111 arranged in parallel, the connecting pressure seat 413 is located inside the pressure seat groove 4112, and the side surface positioning seat 412 is composed of The two groups of symmetrically distributed side positioning blocks 4121 are combined, and an I-shaped groove 4122 adapted to the I-shaped cantilever channel steel 4 is arranged between the two groups of symmetrically distributed side positioning blocks 4121. The two groups of symmetrically distributed side positioning blocks 4121 are penetrated at one end away from the I-shaped cantilever channel steel 4 and are penetrated with a first U-shaped mounting hole 4123 adapted to the longitudinal embedded tension bolt. The top surface positioning seat 411 is penetrated and installed with a connecting pressure seat 413, and the connecting pressure seat 4 The two ends of 13 extend to the top surface of the side positioning seat 412, and the two ends of the connecting pressure seat 413 are penetrated and opened with corresponding second U-shaped mounting holes 4131 near the first U-shaped mounting holes 4123. When the building floor and the I-shaped cantilever channel steel 4 are fixed and limited, the connecting pressure seat 413 can be embedded and installed in the pressure seat groove 4112, and the first U-shaped mounting hole 4123 and the second U-shaped mounting hole 4131 correspond to each other. Then, the whole is pushed so that the longitudinal pre-embedded tension bolt 42 enters the first U-shaped mounting hole 4123 and the second U-shaped mounting hole 4131, and the top of the longitudinal pre-embedded tension bolt 42 is fixed and locked. Not only can the I-shaped cantilever channel steel 4 and the longitudinal pre-embedded tension bolt 42 be locked in all directions, but also the cantilever channel steel 4 can be effectively horizontally limited, thereby effectively avoiding the risk of displacement of the cantilever channel steel 4 when the force is large, which is conducive to ensuring the safety of construction. At the same time, the assembly operation is simple, the difficulty coefficient is low, and it is convenient and fast;

[0034] In addition, in this embodiment, please refer to Figure 1 , Figure 2 and Figure 4 , the inclined frame 32 is provided with several groups, and the lengths of the several groups of inclined frames 32 are different., By providing several groups of inclined frames 32 of different lengths, the structural stability of the diagonal brace 3 can be strengthened, which is more conducive to the longitudinal support of the cantilever channel steel 4;

[0035] The working process of the utility model is as follows: when supporting and installing, the L-shaped right-angle frame 31 can be firstly fixedly connected with the building wall through the transverse pre-buried tension bolts 33, and then the I-shaped cantilever channel steel 4 is placed on the L-shaped right-angle frame 31 for installation, and a plurality of groups of equally spaced limiting structures 41 are fixedly connected with the corresponding longitudinal pre-buried tension bolts 42, and the connecting pressure seat 413 can be embedded and installed in the pressure seat groove 4112, and the first U-shaped installation hole 4123 and the second U-shaped installation hole 4131 are made to correspond to each other, and then the whole body is pushed so that the longitudinal pre-buried tension bolts 42 Entering into the interior of the first U-shaped mounting hole 4123 and the second U-shaped mounting hole 4131, and fixing and locking the top end of the longitudinal embedded tension bolt 42, not only can the I-shaped cantilever channel steel 4 and the longitudinal embedded tension bolt 42 be locked in all directions, but also the cantilever channel steel 4 can be effectively limited laterally, thereby effectively avoiding the risk of the cantilever channel steel 4 shifting when the force is large, which is beneficial to ensure the safety of construction. At the same time, the assembly operation is simple, the difficulty coefficient is low, and it is convenient and fast. At the same time, the inclined steel wire hanging ear 43 can be fixedly connected with the embedded hanging ear of the exterior wall of the building by steel wire to realize inclined support.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large cantilever structure construction support frame, comprising a support frame body (1), characterized in that: The support frame body (1) is composed of a plurality of groups of equally spaced large cantilever frame mechanisms (2), any of which includes a diagonal brace (3) and an I-shaped cantilever channel steel (4), a plurality of equally spaced limiting structures (41) are arranged on the outer surface of the I-shaped cantilever channel steel (4) near one end of the room, the plurality of equally spaced limiting structures (41) and the building floor slab are fixedly connected by longitudinally embedded tension bolts (42), and any of which includes a top surface positioning seat (411) and a side surface positioning seat (412) fixedly installed on the top surface and two side surfaces of the I-shaped cantilever channel steel (4), a connecting pressure seat (413) is installed through the interior of the top surface positioning seat (411), and both ends of the connecting pressure seat (413) extend to the top surface of the side surface positioning seat (412).

2. A large cantilever structure construction support frame according to claim 1, characterized in that: The top surface positioning seat (411) is composed of two groups of upper concave positioning blocks (4111) arranged in parallel, a pressure seat groove (4112) is arranged between the two groups of upper concave positioning blocks (4111) arranged in parallel, and the connecting pressure seat (413) is located inside the pressure seat groove (4112).

3. A large cantilever structure construction support frame according to claim 1, characterized in that: The side positioning seat (412) is composed of two groups of symmetrically distributed side positioning blocks (4121), an I-shaped groove (4122) adapted to the I-shaped cantilever channel steel (4) is arranged between the two groups of symmetrically distributed side positioning blocks (4121), and a first U-shaped mounting hole (4123) adapted to the longitudinal pre-embedded tension bolt is penetrated and opened at one end of the two groups of symmetrically distributed side positioning blocks (4121) away from the I-shaped cantilever channel steel (4).

4. The large cantilever structure construction support frame according to claim 1, characterized in that: Corresponding second U-shaped mounting holes (4131) are formed through the two ends of the connection pressure seat (413) near the first U-shaped mounting hole (4123).

5. The large cantilever structure construction support frame according to claim 1 is characterized by: A diagonal steel wire lifting lug (43) is fixedly installed on the top surface of the I-shaped cantilever channel steel (4) at one end close to the outdoors.

6. The large cantilever structure construction support frame according to claim 1, characterized in that: The diagonal brace (3) comprises an L-shaped right-angle frame (31) fixedly mounted on the bottom surface of an I-shaped cantilevered channel steel (4), a diagonal frame (32) being fixedly mounted inside the L-shaped right-angle frame (31), and the L-shaped right-angle frame (31) and the building wall are fixedly connected by transverse pre-embedded tension bolts (33).

7. A large cantilever structure construction support frame according to claim 6, characterized in that: The inclined frames (32) are provided in a plurality of groups, and the lengths of the plurality of groups of inclined frames (32) are different.

Images