CN215330455U

CN215330455U - Fire prevention heat preservation safety type steel construction

Info

Publication number: CN215330455U
Application number: CN202120531772.3U
Authority: CN
Inventors: 田伟伟
Original assignee: Tianjin Tengyixiang Metal Products Co ltd
Current assignee: Tianjin Tengyixiang Metal Products Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-12-28
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a fireproof heat-preservation safety type steel structure, which belongs to the technical field of steel structures and comprises I-shaped steel, wherein two threaded holes A are formed in the two ends of the surface of the I-shaped steel, a sheath is inserted into the outer side wall of the I-shaped steel, two sheaths are arranged in the two sheaths, a threaded hole B corresponding to the position of the threaded hole A is formed in each sheath, a groove is formed in the surface of each sheath, a bolt is detachably connected between each threaded hole A and each threaded hole B, each sheath is sleeved on the outer wall of the I-shaped steel from the two sides of the I-shaped steel, the I-shaped steel is integrally arranged in each sheath after the sleeving is completed, the sheaths and the I-shaped steel can be fixed together by screwing the bolts into the threaded holes A and the threaded holes B, the installation is convenient, the disassembly is simple, the use flexibility of the section steel is improved, the appearance structure of each sheath is similar to the I-shaped steel, the I-shaped steel can be tightly attached without occupying extra space after the installation is completed, and the structure style of the I-shaped steel can still be kept, convenient transportation and installation.

Description

Fire prevention heat preservation safety type steel construction

Technical Field

The utility model relates to the technical field of steel structures, in particular to a fireproof heat-preservation safety type steel structure.

Background

The section steel is a strip-shaped section steel with certain section shape and size, is one of four large varieties of section steels, and is divided into simple section steels and complex section steels according to the section shape, wherein the simple section steels comprise square steels, round steels, flat steels, angle steels, hexagonal steels and the like, the complex section steels comprise I-shaped steels, channel steels, steel rails, window frame steels, bent section steels and the like, and the I-shaped steels are one of the section steels commonly used.

Patent number is CN 211472912U's publication a fire prevention heat preservation safety type steel construction, not only simple structure is convenient for install, can effectual improvement device holistic fire proofness and heat insulating ability simultaneously.

When the fireproof heat-preservation safety type steel structure is used, the following defects 1 exist, the steel section mainly plays a fireproof heat-preservation role by means of structures such as a fireproof plate and the like which are fixedly installed outside the steel section, the external structure of the I-shaped steel is changed after the fireproof plate and the I-shaped steel are installed, the occupied space of the I-shaped steel is increased, and the steel section is inconvenient to transport and install; 2. the I-steel has general heat preservation and fire resistance, can only play a role in fire prevention through the fireproof plate, does not have an active fire extinguishing function, and therefore the fireproof heat preservation safety type steel structure is provided.

Disclosure of Invention

The utility model provides a fireproof heat-preservation safety steel structure, and aims to improve the fireproof performance and the heat preservation performance of section steel without changing the integral external structure of I-shaped steel, and facilitate transportation and installation.

The specific technical scheme provided by the utility model is as follows:

the utility model provides a fireproof heat-preservation safety type steel structure which comprises I-shaped steel, wherein two threaded holes A are formed in two ends of the surface of the I-shaped steel, two sheaths can be inserted into the outer side wall of the I-shaped steel, a threaded hole B corresponding to the threaded hole A is formed in each sheath, a groove is formed in the surface of each sheath, a bolt is detachably connected between each threaded hole A and each threaded hole B, a filling cavity is formed in each sheath, a fire extinguishing layer is filled in each filling cavity, a heat preservation layer is bonded on the inner side wall of each sheath, and a flame retardant layer is bonded on the outer side wall of each sheath.

Optionally, the groove is communicated with the threaded hole a, and the bolt is screwed into the groove.

Optionally, a rubber pad is bonded to one side of the surface of the sheath, and the rubber pad is located at a joint between the sheaths.

Optionally, the heat preservation material is aerogel, fire-retardant layer material is the PLASTIC LAMINATED.

The utility model has the following beneficial effects:

1. the I-steel is used as a main structure of the section steel and used for building a construction object, the sheath is sleeved outside the I-steel and is of a split structure, the two I-steels are matched for use and are sleeved to the outer wall of the I-steel from two sides of the I-steel respectively, the I-steel is integrally arranged inside the sheath after the sleeve connection is completed, the threaded hole A and the threaded hole B are in butt joint, the sheath and the I-steel can be fixed together by screwing bolts into the threaded hole A and the threaded hole B, the installation is convenient, the disassembly is simple, the use flexibility of the section steel is improved, the appearance structure of the sheath is similar to that of the I-steel, the sheath and the I-steel can be tightly attached to the outer side wall of the I-steel after the installation, extra space is not occupied, the structural style of the I-steel is still kept, and the transportation and the installation are convenient.

2. The sheath is internally provided with a filling cavity, the filling cavity is internally filled with a fire extinguishing layer, the fire extinguishing layer is made of fire extinguishing sand, the fire extinguishing sand is made of fine river sand after being dried and is filled in the filling cavity without influencing normal use, when a fire disaster and a fire situation are great, the outer structure of the sheath is burnt, the filling cavity shell is melted, the fire extinguishing sand in the sheath can be sprinkled out and can play a certain fire extinguishing role, compared with the traditional water storage structure, the leakage situation can be avoided, meanwhile, the oil substance can be well extinguished, the inner side wall of the sheath is bonded with a heat insulation layer, the heat insulation layer is made of aerogel, gas replaces liquid phase in gel in a certain drying mode to form a nano-scale porous solid material, the nano-scale porous solid material has the characteristics of high porosity and low density, the heat transmission can be reduced, the good heat insulation effect can be achieved, and the outer side wall of the sheath is bonded with a flame retardant layer, the flame-retardant layer is made of a fireproof plate, is an artificial plate prepared by adding a flame retardant into a plate production line, has the characteristics of high flame point and difficult combustion, can improve the fireproof performance of the profile steel, and further improves the fireproof and heat-insulating performance of the profile steel compared with the traditional profile steel structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of a fireproof heat-preservation safety steel structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sheath of a fireproof heat-preservation safety type steel structure according to an embodiment of the utility model.

In the figure: 1. i-shaped steel; 101. a threaded hole A; 2. a sheath; 201. a threaded hole B; 202. a groove; 3. a bolt; 4. a rubber pad; 5. filling the cavity; 501. a fire extinguishing layer; 6. a heat-insulating layer; 7. a flame retardant layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A fire-proof, thermal insulation and safety steel structure according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, the fireproof heat-preservation safety steel structure provided by the embodiment of the utility model comprises an i-beam 1, wherein threaded holes a101 are formed in both ends of the surface of the i-beam 1, two sheaths 2 can be inserted into the outer side wall of the i-beam 1, threaded holes B201 corresponding to the threaded holes a101 are formed in the sheaths 2, grooves 202 are formed in the surfaces of the sheaths 2, bolts 3 are detachably connected between the threaded holes a101 and the threaded holes B201, a filling cavity 5 is formed in each sheath 2, a fire extinguishing layer 501 is filled in each filling cavity 5, a heat preservation layer 6 is bonded on the inner side wall of each sheath 2, and a flame retardant layer 7 is bonded on the outer side wall of each sheath 2.

The example, the sheath 2 cup joints the outer wall to the I-steel 1 from I-steel 1 both sides respectively, the I-steel 1 is whole inside arranging the sheath 2 after the completion of cup joint, screw bolt 3 to screw hole A101 and screw hole B201 inside can be together fixed with sheath 2 and I-steel 1, high durability and convenient installation, the dismantlement is simple, the use flexibility of shaped steel has been improved, 2 appearance structure of sheath is similar to I-steel 1, can inseparable laminating after the completion of installation, do not occupy the extra space, still keep I-steel 1 structural style, convenient transportation and installation, heat preservation 6 materials are the aerogel, high porosity, low density's characteristics, can reduce thermal transmission, can play fine heat preservation effect, fire-retardant layer 7 materials are the PLASTIC LAMINATED, can improve the fire proofness of shaped steel, compare in traditional shaped steel structure, the fire-proof thermal insulation performance of shaped steel has further been promoted.

Referring to fig. 1 and 2, the groove 202 communicates with the threaded hole a101, and the bolt 3 is screwed into the groove 202.

For example, the end of the bolt 3 is just inside the groove 202 after the bolt is screwed in, and does not protrude, and the surface flatness of the sheath 2 is not affected.

Referring to fig. 1 and 2, a rubber pad 4 is bonded to one side of the surface of the sheath 2, and the rubber pad 4 is located at the joint between the sheaths 2.

By way of example, the rubber pad 4 adhered to the joint of the surfaces of the sheaths 2 can improve the sealing performance of the joint after the sheaths 2 are butted.

When the structure is used, the I-steel 1 is used as a main structure of the section steel and is used for building a building, the outer part of the I-steel 1 is sleeved with the sheath 2, the sheath 2 is of a split structure, the two sleeves are matched for use and are respectively sleeved on the outer wall of the I-steel 1 from two sides of the I-steel 1, the I-steel 1 is integrally arranged in the sheath 2 after the sleeving is finished, the threaded hole A101 is butted with the threaded hole B201, the sheath 2 and the I-steel 1 can be fixed together by screwing the bolt 3 into the threaded hole A101 and the threaded hole B201, the structure is convenient to install and simple to disassemble, the use flexibility of the section steel 1 is improved, the shape structure of the sheath 2 is similar to that of the I-steel 1, the sheath 2 and the I-steel 1 can be tightly attached to the outer side wall of the I-steel 1 after the installation is finished, no extra space is occupied, the structural style of the I-steel 1 is still kept, the transportation and the installation is convenient, the end part of the bolt 3 is just inside the groove 202 after the bolt is screwed in place and does not protrude, the surface smoothness of the sheath 2 cannot be influenced, the sealing performance of the joint can be improved after the sheath 2 is butted through the rubber cushion 4 bonded at the joint of the surface of the sheath 2, the filling cavity 5 is formed in the sheath 2, the fire extinguishing layer 501 is filled in the filling cavity 5, the fire extinguishing layer 501 is made of fire extinguishing sand, the fire extinguishing sand is made of fine river sand after being dried and is filled in the filling cavity 5, the normal use is not influenced, when a fire disaster and a fire disaster happen to a large extent, the outer structure of the sheath 2 is burnt, the shell of the filling cavity 5 is melted, the fire extinguishing sand in the inner part can be spilled out, a certain fire extinguishing effect can be achieved, compared with a traditional water storage body structure, the leakage situation can be avoided, meanwhile, a good fire extinguishing effect can be achieved on oil substances, the heat insulation layer 6 is bonded on the inner side wall of the sheath 2, the heat insulation layer 6 is made of aerogel, and is a nanoscale porous solid material formed by using a certain drying mode to enable gas to replace liquid phase in the gel, the fireproof heat-insulating composite material has the characteristics of high porosity and low density, can reduce heat transfer and play a good heat-insulating role, the flame-retardant layer 7 is adhered to the outer side wall of the sheath 2, the flame-retardant layer 7 is made of a fireproof plate, and is an artificial plate prepared by adding a flame retardant into a plate production line.

The utility model relates to a fireproof heat-preservation safety steel structure, which comprises an I-shaped steel 1, a threaded hole A101, a sheath 2, a threaded hole B201, a groove 202, a bolt 3, a rubber cushion 4, a filling cavity 5, a fire extinguishing layer 501, a heat preservation layer 6 and a flame retardant layer 7, wherein the components are all universal standard components or components known by technical staff in the field, and the structure and the principle of the fireproof heat-preservation safety steel structure can be known by technical manuals or conventional experimental methods

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the utility model. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims

1. The utility model provides a fire prevention heat preservation safety type steel construction, includes I-steel (1), its characterized in that, threaded hole A (101) have all been seted up at I-steel (1) surface both ends, I-steel (1) lateral wall can peg graft and have sheath (2) and sheath (2) to be two, the inside screw hole B (201) that correspond with screw hole A (101) position of seting up of sheath (2), sheath (2) surface offered groove (202), can dismantle between screw hole A (101) and screw hole B (201) and be connected with bolt (3), sheath (2) inside has seted up and has filled chamber (5), it has fire extinguishing layer (501) to fill chamber (5) inside packing, sheath (2) inside wall bonds and has heat preservation (6), sheath (2) lateral wall bonds and has fire-retardant layer (7).

2. A fire-proof and thermal insulation safety type steel structure according to claim 1, wherein the groove (202) is communicated with the threaded hole a (101), and the bolt (3) is screwed into the groove (202).

3. A fire-proof heat-insulation safety steel structure according to claim 1, characterized in that a rubber pad (4) is bonded on one side of the surface of the sheath (2), and the rubber pad (4) is positioned at the joint between the sheaths (2).

4. The fire-proof and thermal insulation safety type steel structure according to claim 1, wherein the thermal insulation layer (6) is made of aerogel, and the flame retardant layer (7) is made of fire-proof plate.