Shaped large-span steel structure cantilever supporting device

Abstract

The utility model discloses a shaped large-span steel structure cantilever supporting device, and belongs to the technical field of building construction cantilever beams. Comprising a square steel assembly, cantilever I-shaped steel, a steel structure rod piece and channel steel, the square steel assembly is arranged at the top of the channel steel, the upper end of the square steel assembly is detachably connected with the cantilever I-shaped steel, and one end of the cantilever I-shaped steel extends out of a structural layer; one end of the steel structure rod piece is rotatably connected to the end, extending out of the structural layer, of the cantilever I-shaped steel, and the other end of the steel structure rod piece is rotatably connected to the channel steel. And the device is a shaped steel structure device, and is simple in structure, convenient to operate, safe, reliable, capable of being turned over and capable of saving cost.

Description

Technical Field

[0001] The utility model relates to the technical field of cantilever beams in building construction, in particular to a standardized large-span steel structure cantilever support device. Background Art

[0002] In construction projects, cantilever support platforms are often used as construction operation platforms or construction support platforms. As shown in publication number CN113356551A, existing conventional cantilever support forms require embedded parts to be embedded in the structure and unloaded by wire ropes or pull rods. Incorrect embedded parts embedding method or position will lead to the risk of collapse and overturning of the cantilever support structure.

[0003] However, in the prior art, there may be a situation where there is no upper structural layer as a tie point for the wire rope or the tie rod, or no embedded parts are buried during the construction of the structural layer, which will make the conventional cantilever support method impossible to implement. In order to solve this problem and ensure the safety and convenience of the cantilever support system, a support device is provided that can be used as a cantilever when no embedded parts are buried and there is no upper structure for tie. Utility Model Content

[0004] The purpose of the utility model is to provide a standardized large-span steel structure cantilever support device to solve the technical problems in the prior art that there is no upper structural layer as a steel wire rope or pull rod anchor point, or no embedded parts are buried during the construction of the structural layer, which makes it impossible to implement conventional cantilever support methods.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A standardized large-span steel structure cantilever support device includes a square steel component, a cantilever I-beam, a steel structure rod and a channel steel, wherein:

[0007] A square steel assembly is provided on the top of the channel steel, and a cantilever I-beam is detachably connected to the upper end of the square steel assembly, and one end of the cantilever I-beam extends out of the structural layer;

[0008] One end of the steel structure rod is rotatably connected to one end of the cantilevered I-beam extending out of the structural layer, and the other end is rotatably connected to the channel steel.

[0009] As a further solution of the utility model, the square steel assembly includes a first square steel and a second square steel, and the first square steel and the second square steel are both provided with evenly distributed adjustment holes. The first square steel and the second square steel are connected by adjusting bolts, and the adjusting bolts pass through the adjusting holes of the first square steel and the adjusting holes of the second square steel and are connected with locking nuts.

[0010] As a further solution of the present invention, the steel structure rod includes a first rod and a second rod, and the first rod and the second rod are both provided with evenly distributed limiting holes. The first rod and the second rod are connected by limiting bolts, and the limiting bolts pass through the limiting holes of the first rod and the limiting holes of the second rod and are connected to the limiting nuts.

[0011] As a further solution of the utility model, the first square steel is 100x100x5 square steel, the second square steel is 150x150x5 square steel, and the first square steel is inserted into the second square steel for butt connection.

[0012] As a further solution of the utility model, it also includes a connecting seat, the cantilever beam I-beam and the channel steel are fixedly connected with a connecting seat, a first connecting hole is opened on the connecting seat, and second connecting holes are opened at both ends of the steel structure rod, and the two second connecting holes are respectively rotatably connected to the two first connecting holes through a rotating shaft.

[0013] As a further solution of the utility model, at least one of the two first connecting holes is a horizontal waist-shaped hole.

[0014] As a further solution of the utility model, it also includes an angle steel, one end of the channel steel protrudes out of the structural layer, the lower end of the channel steel is connected to the angle steel by a fixing bolt, and the vertical side of the angle steel is used to abut against the edge of the structural layer;

[0015] The distance that the channel steel protrudes out of the structural layer is smaller than the distance that the cantilever I-beam protrudes out of the structural layer.

[0016] As a further solution of the utility model, it also includes a connecting plate and connecting bolts. The connecting plate is fixedly connected to the upper end of the square steel component, and the connecting plate is connected to the cantilevered I-beam through the connecting bolts.

[0017] As a further solution of the utility model, the square steel component has multiple groups

[0018] Beneficial effects of the utility model:

[0019] (1) The utility model places the channel steel on the upper end of the lower structural layer, and uses the square steel assembly to support the cantilever I-beam on the lower end of the upper structural layer. The square steel assembly plays a supporting role, and one end of the cantilever I-beam extends out of the structural layer as a cantilever. The steel structure rod is inclined to improve the stability of the entire support system, and at the same time, a longer cantilever extension length can be set;

[0020] (2) The height of the first square steel is adjusted through the adjustment holes on the first square steel and the second square steel to adapt to different structural layer heights, and the upper cantilevered I-beam is firmly fixed to the upper structure to increase the use range of the device.

[0021] (3) The utility model can be used as a cantilever support device when no embedded parts are installed and no upper structure is available for anchoring. The device can be adjusted according to the height of the structural layer and can be applied to different structural working conditions. The device is a standardized steel structure device with simple structure, convenient operation, safety and reliability, turnover and cost saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the steel structure rod of the utility model;

[0025] Figure 3 It is a schematic diagram of the connection relationship between the connecting plate and the connecting bolts of the utility model;

[0026] Figure 4 yes Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0027] In the figure: 1-angle steel; 2-adjustment hole; 21-adjustment bolt; 3-first square steel; 4-second square steel; 5-cantilever I-beam; 6-steel structure rod, 61-first rod, 62-second rod; 7-channel steel; 8-connecting plate; 9-connecting bolt. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment one:

[0030] See also Figure 1 As shown, the utility model is a standardized large-span steel structure cantilever support device, including a square steel component, a cantilever I-beam 5, a steel structure rod 6 and a channel steel 7, wherein:

[0031] The top of the channel steel 7 is fixedly connected with a square steel assembly, and the upper end of the square steel assembly is detachably connected with a cantilevered I-beam 5, and one end of the cantilevered I-beam 5 extends out of the structural layer;

[0032] One end of the steel structure rod 6 is rotatably connected to one end of the cantilevered I-beam 5 extending out of the structural layer, and the other end is rotatably connected to the channel steel 7 .

[0033] The working principle is: place the channel steel 7 at the upper end of the lower structural layer, and use the square steel assembly to push the cantilever I-beam 5 against the lower end of the upper structural layer. The square steel assembly plays a supporting role. The lower end of the square steel assembly can be fastened to the channel steel 7 through a connecting piece, or it can be directly placed on the channel steel 7 through a base welded at the lower end. One end of the cantilever I-beam 5 extends out of the structural layer as a cantilever, and the steel structure rod 6 is arranged at an angle to improve the stability of the entire support system, and at the same time, a longer cantilever extension length can be set. Specific embodiment 2:

[0035] See also Figure 1 As shown, in specific embodiment one, since the distance between floors is not fixed, in order to improve adaptability, on the basis of embodiment one, the square steel assembly includes a first square steel 3 and a second square steel 4, and the first square steel 3 and the second square steel 4 are both provided with evenly distributed adjustment holes 2, and the first square steel 3 and the second square steel 4 are connected by an adjusting bolt 21, and the adjusting bolt 21 passes through the adjusting hole 2 of the first square steel 3 and the adjusting hole 2 of the second square steel 4 and is connected with a locking nut.

[0036] The height of the first square steel 3 is adjusted through the adjustment holes 2 on the first square steel 3 and the second square steel 4 to adapt to different structural layer heights, and the upper cantilevered I-beam 5 is firmly fixed to the upper structure to improve the use range of the device. In order to improve the connection stability, the adjustment holes 2 that can correspond to the first square steel 3 and the second square steel 4 are connected with adjustment bolts 21 and locking nuts. Specific embodiment three:

[0038] See also Figure 2 As shown, in the specific embodiment 2, since the height of the cantilever I-beam 5 is adjustable, it is not convenient to replace a suitable steel structure rod 6. To facilitate the use of the steel structure rod 6, on the basis of the embodiment 2, the steel structure rod 6 includes a first rod 61 and a second rod 62. The first rod 61 and the second rod 62 are both provided with evenly distributed limiting holes. The first rod 61 and the second rod 62 are connected by limiting bolts. The limiting bolts pass through the limiting holes of the first rod 61 and the limiting holes of the second rod 62 and are connected with limiting nuts.

[0039] When in use, the length of the steel structure rod 6 is adjusted through the limiting holes on the first rod 61 and the second rod 62 to adapt to the change in the height of the cantilevered I-beam 5. There is no need to find and replace suitable parts, which improves versatility. In order to improve the connection stability, limiting bolts and limiting nuts are connected to the corresponding limiting holes on the first rod 61 and the second rod 62. Specific embodiment four:

[0041] See also Figure 4As shown, in the third embodiment, in order to further facilitate the connection of the steel structure rod 6, a connecting seat is also included, the cantilever beam I-beam and the channel steel 7 are fixedly connected with the connecting seat, a first connecting hole is opened on the connecting seat, and second connecting holes are opened at both ends of the steel structure rod 6, and the two second connecting holes are respectively rotatably connected to the two first connecting holes through a rotating shaft;

[0042] At least one of the two first connecting holes is a horizontal waist-shaped hole.

[0043] The horizontal waist hole can improve the convenience of installing the steel structure rod 6 and improve the installation inconvenience caused by the non-stepless length adjustment. Specific embodiment five:

[0045] See also Figure 4 As shown, in embodiments 1 to 4, the channel steel 7 is directly placed on the upper end of the lower structural layer. The cantilever device may slip to a certain extent as the upper load changes. In order to improve the stability of the entire device system, an angle steel 1 is also included. One end of the channel steel 7 extends out of the structural layer, and the lower end of the channel steel 7 is connected to the angle steel 1 by a fixing bolt. The vertical edge of the angle steel 1 is used to abut against the edge of the structural layer;

[0046] The distance that the channel steel 7 protrudes from the structural layer is smaller than the distance that the cantilever I-beam 5 protrudes from the structural layer.

[0047] Before placing the channel steel 7, fasten the angle steel 1 to the lower end of the channel steel 7, extend one end of the channel steel 7 out of the structural layer, and make the vertical edge of the angle steel 1 close to the vertical edge of the lower structural layer to form a limit to prevent inward sliding and improve the stability of the entire system. Specific embodiment six:

[0049] See also Figure 1-4 As shown, in order to further improve the stability of the support system, the first square steel 3 is 100x100x5 square steel, the second square steel 4 is 150x150x5 square steel, and the first square steel 3 is inserted into the second square steel 4 for butt connection, so as to simplify the structure and use square steel of common specifications, which is simple and convenient to manufacture;

[0050] It also includes a connecting plate 8 and connecting bolts 9. The upper end of the square steel component is fixedly connected to the connecting plate 8, and the connecting plate 8 is connected to the cantilevered I-beam 5 through the connecting bolts 9 to improve the connection stability.

[0051] The square steel components have multiple groups to improve the support stability;

[0052] The cantilever operating platform or cantilever supporting platform is supported by the system to ensure the safety and quality of on-site construction. It has a simple structure, is easy to operate, safe and reliable, saves costs, and is easy to assemble and disassemble, and can be used multiple times.

[0053] The above describes some embodiments of the utility model in detail, but the content is only the preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A standardized large-span steel structure cantilever support device, characterized in that: It comprises a square steel component, a cantilever I-beam (5), a steel structure rod (6) and a channel steel (7), wherein: A square steel component is arranged on the top of the channel steel (7), and a cantilevered I-beam (5) is detachably connected to the upper end of the square steel component, and one end of the cantilevered I-beam (5) protrudes out of the structural layer; One end of the steel structure rod (6) is rotatably connected to one end of the cantilevered I-beam (5) extending out of the structural layer, and the other end is rotatably connected to the channel steel (7).

2. A standardized large-span steel structure cantilever support device according to claim 1, characterized in that: The square steel assembly comprises a first square steel (3) and a second square steel (4); the first square steel (3) and the second square steel (4) are both provided with evenly distributed adjustment holes (2); the first square steel (3) and the second square steel (4) are connected via an adjustment bolt (21); the adjustment bolt (21) passes through the adjustment hole (2) of the first square steel (3) and the adjustment hole (2) of the second square steel (4) and is connected with a locking nut.

3. A standardized large-span steel structure cantilever support device according to claim 2, characterized in that: The steel structure rod (6) comprises a first rod (61) and a second rod (62), the first rod (61) and the second rod (62) are both provided with evenly distributed limiting holes, the first rod (61) and the second rod (62) are connected by limiting bolts, the limiting bolts pass through the limiting holes of the first rod (61) and the limiting holes of the second rod (62) and are connected with limiting nuts.

4. A standardized large-span steel structure cantilever support device according to claim 2, characterized in that: The first square steel (3) is a 100x100x5 square steel, the second square steel (4) is a 150x150x5 square steel, and the first square steel (3) is inserted into the second square steel (4) for butt connection.

5. According to claim 3, a standardized large-span steel structure cantilever support device is characterized in that: It also includes a connecting seat, the cantilever I-beam and the channel steel (7) are fixedly connected to the connecting seat, a first connecting hole is opened on the connecting seat, and second connecting holes are opened at both ends of the steel structure rod (6), and the two second connecting holes are respectively rotatably connected to the two first connecting holes through a rotating shaft.

6. A standardized large-span steel structure cantilever support device according to claim 5, characterized in that: At least one of the two first connecting holes is a horizontal waist-shaped hole.

7. A standardized large-span steel structure cantilever support device according to claim 1, characterized in that: It also comprises an angle steel (1), one end of the channel steel (7) protrudes out of the structural layer, the lower end of the channel steel (7) is connected to the angle steel (1) by a fixing bolt, and the vertical edge of the angle steel (1) is used to abut against the edge of the structural layer; The distance that the channel steel (7) protrudes from the structural layer is smaller than the distance that the cantilevered I-beam (5) protrudes from the structural layer.

8. The standardized large-span steel structure cantilever support device according to claim 1 is characterized in that: It also comprises a connecting plate (8) and connecting bolts (9); the connecting plate (8) is fixedly connected to the upper end of the square steel component; and the connecting plate (8) is connected to the cantilevered I-beam (5) via the connecting bolts (9).

9. A standardized large-span steel structure cantilever support device according to claim 1, characterized in that: The square steel components include a plurality of groups.

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