Fireproof steel structure

Abstract

The utility model discloses a fireproof steel structure, which relates to the technical field of steel structures and comprises a base and a supporting steel frame, a fireproof mechanism is arranged on the outer wall of the supporting steel frame and comprises a first fireproof special-shaped plate and a second fireproof special-shaped plate, and a first fireproof bottom plate is fixedly mounted at the lower end of the first fireproof special-shaped plate. The fireproof effect on the supporting steel frame can be kept all the time until the first fireproof special-shaped plate and the second fireproof special-shaped plate reach the service life limit, so that the first fireproof special-shaped plate and the second fireproof special-shaped plate do not need to be replaced, labor time is shortened, economic development is reduced, practicability is improved, and meanwhile, the fireproof effect on the supporting steel frame is guaranteed. In addition, connecting piece bolts or rivets between the base and the supporting steel frame can be protected, the connecting piece bolts or rivets are prevented from being corroded and rusted, follow-up use is not affected, and potential safety hazards are eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to a fireproof steel structure. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. Because of its light weight, it can effectively reduce the difficulty of construction, so it is widely used in large factories, venues, super high-rise buildings and other fields.

[0003] For example, Chinese patent publication number CN218540961U discloses a fireproof and heat-insulating steel structure, in which a fireproof component includes a fireproof layer located on the outside of a first reinforcement block, and a flame-retardant layer is arranged on the inside of the fireproof layer; the heat-insulating component includes a waterproof cloth located on the inside of the flame-retardant layer, a sponge board is arranged inside the waterproof cloth, and the enclosed space between the waterproof cloth and the sponge board is filled with water.

[0004] However, in the prior art, although the above-mentioned patent can prevent the fire from spreading to the steel structure body, greatly improving the fireproof and heat-insulating performance of the entire device and being able to effectively protect the steel structure body, it still has the following disadvantages: the device is a disposable product, and the staff needs to reinstall the fireproof components after use, which not only increases the labor time, but also increases the economic expenditure and reduces the practicality. In addition, in the above-mentioned patent, there is a lack of protection for the bolts or rivets, resulting in corrosion and rust at the connection of the bolts or rivets, thereby affecting the subsequent use and posing a safety hazard. Therefore, a fireproof steel structure is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art that not only the labor time is increased, but also the economic expenditure is increased, the practicality is reduced, and in the above patents, there is a lack of protection for bolts or rivets, which leads to corrosion and rust at the connection of the bolts or rivets, thereby affecting the subsequent use and posing a safety hazard, and a fireproof steel structure is proposed.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fireproof steel structure, including a base and a supporting steel frame, the outer wall of the supporting steel frame is provided with a fireproof mechanism, the fireproof mechanism includes a No. 1 fireproof special-shaped plate and a No. 2 fireproof special-shaped plate, the lower end of the No. 1 fireproof special-shaped plate is fixedly installed with a No. 1 fireproof bottom plate, the lower end of the No. 2 fireproof special-shaped plate is fixedly installed with a No. 2 fireproof bottom plate, the inner side wall of the No. 2 fireproof special-shaped plate is provided with six groups of long grooves, the inner bottom ends of the six groups of the long grooves are all provided with vertical grooves, and L-shaped blocks are inserted into the interiors of the six groups of the vertical grooves.

[0007] Preferably, special-shaped blocks are placed on the upper ends of the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate, and two groups of slots are opened on the upper ends of the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate, and blocks are inserted into the insides of the four groups of slots, and the upper ends of the four groups of blocks are respectively fixed to the lower ends of the two groups of special-shaped blocks.

[0008] Preferably, one side of the six groups of L-shaped blocks passes through six groups of long grooves respectively and is fixed to the inner wall of the No. 1 fireproof special-shaped plate.

[0009] Preferably, the inner walls of the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate are in contact with the outer wall of the supporting steel frame, and the supporting steel frame is fixedly mounted on the upper end of the base by bolts.

[0010] Preferably, the lower ends of the No. 1 fireproof bottom plate and the No. 2 fireproof bottom plate are both in contact with the upper end of the base.

[0011] Preferably, the upper ends of the two groups of the special-shaped blocks are provided with concave seats, the inner walls of the two groups of the concave seats are in contact with the outer wall of the supporting steel frame, and the upper ends of the No. 1 fireproof bottom plate and the No. 2 fireproof bottom plate are provided with two groups of guide grooves.

[0012] Preferably, two groups of sealing plates are provided at the upper end of the second fireproof bottom plate, and the lower ends of the two groups of sealing plates are fixed to the upper end of the first fireproof bottom plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, with the cooperation of No. 1 fireproof special-shaped plate, No. 1 fireproof bottom plate, No. 2 fireproof special-shaped plate, No. 2 fireproof bottom plate, six groups of long grooves, six groups of vertical grooves and six groups of L-shaped blocks, the supporting steel frame can be wrapped, and the connection between the base and the supporting steel frame can also be wrapped, so that the fireproof effect of the supporting steel frame can be maintained until the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate reach their service life. For this reason, there is no need to replace the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate, thereby reducing labor time and economic development, and improving practicality. At the same time, the connecting bolts or rivets between the base and the supporting steel frame can be protected to prevent the connecting bolts or rivets from being corroded or rusted, and will not affect subsequent use, eliminating safety hazards.

[0015] 2. In the utility model, with the cooperation of two groups of special-shaped blocks, two groups of plug-in blocks, two groups of slots and two groups of concave seats, the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate can be limited, thereby strengthening the firmness between the No. 1 fireproof special-shaped plate and the No. 2 fireproof special-shaped plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1A schematic diagram of a partially half-section structure of a fireproof steel structure is provided for the utility model;

[0017] Figure 2 A schematic diagram of the exploded structure of a fireproof steel structure is proposed for the utility model;

[0018] Figure 3 The utility model proposes a structural schematic diagram of a No. 1 fireproof special-shaped plate and a No. 2 fireproof bottom plate of a fireproof steel structure;

[0019] Figure 4 The utility model provides a structural schematic diagram of a No. 2 fireproof special-shaped plate and a No. 2 fireproof bottom plate of a fireproof steel structure;

[0020] Figure 5 A three-dimensional diagram of a fireproof steel structure is proposed for the utility model.

[0021] Legend: 1. Base; 11. Supporting steel frame; 2. Fire protection mechanism; 21. No. 1 fire-proof special-shaped plate; 22. No. 1 fire-proof bottom plate; 23. No. 2 fire-proof special-shaped plate; 24. No. 2 fire-proof bottom plate; 25. Long groove; 26. Vertical groove; 27. L-shaped block; 28. Special-shaped block; 29. ​​Slot; 210. Concave seat; 211. Insert block; 212. Guide groove; 213. Sealing plate. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1: Figure 1 - Figure 5As shown, the utility model provides a fireproof steel structure, including a base 1 and a supporting steel frame 11, the outer wall of the supporting steel frame 11 is provided with a fireproof mechanism 2, the fireproof mechanism 2 includes a No. 1 fireproof special-shaped plate 21 and a No. 2 fireproof special-shaped plate 23, the lower end of the No. 1 fireproof special-shaped plate 21 is fixedly installed with a No. 1 fireproof bottom plate 22, the lower end of the No. 2 fireproof special-shaped plate 23 is fixedly installed with a No. 2 fireproof bottom plate 24, the inner side wall of the No. 2 fireproof special-shaped plate 23 is provided with six groups of long grooves 25, the six groups of long grooves 25 A vertical groove 26 is provided at the inner bottom end of each of the six groups of vertical grooves 26, and an L-shaped block 27 is inserted into the inside of each of the six groups of vertical grooves 26. One side of the six groups of L-shaped blocks 27 passes through the six groups of long grooves 25 respectively and are fixed to the inner wall of the No. 1 fireproof special-shaped plate 21. The inner walls of the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 are in contact with the outer wall of the supporting steel frame 11, and the lower ends of the No. 1 fireproof bottom plate 22 and the No. 2 fireproof bottom plate 24 are in contact with the upper end of the base 1, and the supporting steel frame 11 is fixed to the upper end of the base 1 by bolts.

[0025] The following is a detailed description of the specific settings and functions of this embodiment. Pick up the No. 2 fireproof special-shaped plate 23 and put it on the base 1. The No. 2 fireproof bottom plate 24 at the lower end of the No. 2 fireproof special-shaped plate 23 can be placed on the upper end of the base 1, and the inner wall of the No. 2 fireproof special-shaped plate 23 contacts the outer wall of the supporting steel frame 11. Then pick up the No. 1 fireproof special-shaped plate 21, so that it drives the six groups of L-shaped blocks 27 on both sides to be inserted into the interior of the long groove 25 respectively, and then move the No. 1 fireproof special-shaped plate 21 downward to drive the six groups of L-shaped blocks 27 to move downward, and the protrusions of the six groups of L-shaped blocks 27 can be inserted into the interior of the six groups of vertical grooves 26, so that the inner wall of the No. 1 fireproof special-shaped plate 21 contacts the outer wall of the supporting steel frame 11, and the No. 1 fireproof bottom plate 22 will contact the upper end of the base 1, so that the supporting steel frame 11 can be wrapped, and the base 1 and the supporting The connection of the steel frame 11 is wrapped, so that the fireproof effect of the supporting steel frame 11 can be maintained until the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 reach their service life. Therefore, there is no need to replace the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23, thereby reducing labor time and economic development and improving practicality. At the same time, the connecting bolts or rivets between the base 1 and the supporting steel frame 11 can be protected to prevent the connecting bolts or rivets from being corroded or rusted, and will not affect the subsequent use, eliminating safety hazards. All the No. 1 fireproof special-shaped plate 21, No. 1 fireproof bottom plate 22, No. 2 fireproof special-shaped plate 23 and No. 2 fireproof bottom plate 24 in this article are made of base paper titanium powder paper and kraft paper through the impregnation process of melamine and phenolic resin, and are made in a high temperature and high pressure environment.

[0026] Embodiment 2: Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, shaped blocks 28 are placed on the upper ends of the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23, two groups of slots 29 are opened on the upper ends of the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23, plug blocks 211 are inserted into the four groups of slots 29, the upper ends of the four groups of plug blocks 211 are respectively fixed to the lower ends of the two groups of special-shaped blocks 28, the upper ends of the two groups of special-shaped blocks 28 are provided with concave seats 210, the inner walls of the two groups of concave seats 210 are in contact with the outer wall of the supporting steel frame 11, two groups of guide grooves 212 are opened on the upper ends of the No. 1 fireproof bottom plate 22 and the No. 2 fireproof bottom plate 24, two groups of sealing plates 213 are set on the upper end of the No. 2 fireproof bottom plate 24, and the lower ends of the two groups of sealing plates 213 are fixed to the upper end of the No. 1 fireproof bottom plate 22.

[0027] The effect achieved by the entire embodiment is that by picking up two groups of special-shaped blocks 28 and placing them on the upper ends of the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23, the two groups of special-shaped blocks 28 drive the four groups of plug-in blocks 211 to move, and the four groups of plug-in blocks 211 are respectively inserted into the inside of the four groups of slots 29, and then the two groups of concave seats 210 are picked up and framed on the outer wall of the supporting steel frame 11. At this time, the lower ends of the two groups of concave seats 210 are in contact with the upper ends of the two groups of special-shaped blocks 28, and the upper ends of the two groups of concave seats 210 are in contact with the lower end of the supporting steel frame 11, so that the two groups of special-shaped blocks 28 can be moved. The No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 are limited, so as to strengthen the firmness between the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23, and then by providing four groups of guide grooves 212, rainwater can be backflowed to prevent rainwater from accumulating on the upper ends of the No. 1 fireproof bottom plate 22 and the No. 2 fireproof bottom plate 24. The provision of two groups of sealing plates 213 can seal the connection between the No. 1 fireproof bottom plate 22 and the No. 2 fireproof bottom plate 24 to prevent water from seeping in from the connection between the No. 1 fireproof bottom plate 22 and the No. 2 fireproof bottom plate 24.

[0028] The method of use and working principle of the device are as follows: First, pick up the No. 2 fireproof special-shaped plate 23 and put it on the base 1. The No. 2 fireproof bottom plate 24 at the lower end of the No. 2 fireproof special-shaped plate 23 can be placed on the upper end of the base 1, and the inner wall of the No. 2 fireproof special-shaped plate 23 contacts the outer wall of the supporting steel frame 11. Then pick up the No. 1 fireproof special-shaped plate 21, so that it drives the six groups of L-shaped blocks 27 on both sides to be inserted into the interior of the long groove 25 respectively, and then move the No. 1 fireproof special-shaped plate 21 downward to drive the six groups of L-shaped blocks 27 to move downward. The protrusions of the six groups of L-shaped blocks 27 can be inserted into the interior of the six groups of vertical grooves 26, so that the inner wall of the No. 1 fireproof special-shaped plate 21 contacts the outer wall of the supporting steel frame 11, and the No. 1 fireproof bottom plate 22 will contact the upper end of the base 1, so that the supporting steel frame 11 can be wrapped, and it can also The connection between the base 1 and the supporting steel frame 11 can be wrapped, and the fireproof effect of the supporting steel frame 11 can be maintained all the time. Finally, by picking up the two groups of special-shaped blocks 28 and placing them on the upper ends of the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 respectively, the two groups of special-shaped blocks 28 drive the four groups of plug-in blocks 211 to move, and the four groups of plug-in blocks 211 are respectively inserted into the interior of the four groups of slots 29, and then the two groups of concave seats 210 are picked up and framed on the outer wall of the supporting steel frame 11. At this time, the lower ends of the two groups of concave seats 210 are in contact with the upper ends of the two groups of special-shaped blocks 28, and the upper ends of the two groups of concave seats 210 are in contact with the lower end of the supporting steel frame 11, so that the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 can be limited, and the firmness between the No. 1 fireproof special-shaped plate 21 and the No. 2 fireproof special-shaped plate 23 can be strengthened.

[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A fireproof steel structure, comprising a base (1) and a supporting steel frame (11), characterized in that: The outer wall of the supporting steel frame (11) is provided with a fireproof mechanism (2), and the fireproof mechanism (2) comprises a No. 1 fireproof shaped plate (21) and a No. 2 fireproof shaped plate (23). The lower end of the No. 1 fireproof shaped plate (21) is fixedly mounted with a No. 1 fireproof bottom plate (22), and the lower end of the No. 2 fireproof shaped plate (23) is fixedly mounted with a No. 2 fireproof bottom plate (24), and the inner side wall of the No. 2 fireproof shaped plate (23) is provided with six groups of long grooves (25), and the inner bottom ends of the six groups of the long grooves (25) are all provided with vertical grooves (26), and the insides of the six groups of the vertical grooves (26) are all inserted with L-shaped blocks (27).

2. A fireproof steel structure according to claim 1, characterized in that: A shaped block (28) is placed on the upper ends of the first fireproof shaped plate (21) and the second fireproof shaped plate (23). Two groups of slots (29) are opened on the upper ends of the first fireproof shaped plate (21) and the second fireproof shaped plate (23). Insert blocks (211) are inserted into the interiors of the four groups of slots (29). The upper ends of the four groups of insert blocks (211) are respectively fixed to the lower ends of the two groups of shaped blocks (28).

3. A fireproof steel structure according to claim 1, characterized in that: One side of the six groups of L-shaped blocks (27) passes through the six groups of long grooves (25) and is fixed to the inner wall of the first fireproof special-shaped plate (21).

4. A fireproof steel structure according to claim 3, characterized in that: The inner walls of the first fireproof shaped plate (21) and the second fireproof shaped plate (23) are both in contact with the outer wall of the supporting steel frame (11), and the supporting steel frame (11) is fixedly mounted on the upper end of the base (1) by bolts.

5. A fireproof steel structure according to claim 4, characterized in that: The lower ends of the first fireproof bottom plate (22) and the second fireproof bottom plate (24) are both in contact with the upper end of the base (1).

6. A fireproof steel structure according to claim 2, characterized in that: The upper ends of the two groups of special-shaped blocks (28) are both provided with concave seats (210), the inner walls of the two groups of concave seats (210) are in contact with the outer wall of the supporting steel frame (11), and the upper ends of the No. 1 fireproof bottom plate (22) and the No. 2 fireproof bottom plate (24) are both provided with two groups of guide grooves (212).

7. A fireproof steel structure according to claim 6, characterized in that: Two groups of sealing plates (213) are arranged at the upper end of the second fireproof bottom plate (24), and the lower ends of the two groups of sealing plates (213) are fixed to the upper end of the first fireproof bottom plate (22).

Images