Fireproof annular flexible sling

Abstract

The utility model relates to the related technical field of brakes, in particular to a fireproof annular flexible hanging belt which comprises a hanging belt body, hanging rings and rubber blocks, the hanging rings are sewn on the surfaces of the two sides of the hanging belt body, the rubber blocks are attached to the surfaces of the outer sides of the hanging belt body, and a fireproof mechanism is arranged on the surface of the inner side of the hanging belt body. And a convenient-to-repair mechanism is arranged on the upper surface of the base. According to the fireproof annular flexible sling, the aramid fiber has excellent high-temperature resistance and flame retardance, can maintain good strength and stability in a high-temperature environment and can give consideration to fire prevention, and the polyurethane coating has excellent waterproof, moisture-proof and wear-resisting properties and certain flexibility; the coating is applied to the surface of a sling in a proper mode to provide continuous damp-proof protection, the PTFE coating is resistant to high temperature, waterproof and damp-proof and can keep stable in an extreme environment, and the fluoroplastic coating has excellent waterproof, damp-proof and chemical corrosion resistant performance and also has the low friction coefficient and the self-cleaning characteristic.

Description

Technical Field

[0001] The utility model relates to the technical field related to slings, in particular to a fireproof annular flexible sling. Background Art

[0002] Lifting sling is an important tool widely used in lifting operations. It is usually made of high-strength synthetic fiber materials, such as polyester, nylon, etc. Lifting sling is soft, light and elastic. Its meaning is mainly reflected in several key aspects. It is the key link between the lifting object and the lifting equipment. Through its own strength and toughness, it can safely and reliably lift and move the heavy objects. Its existence ensures the smooth progress of the lifting process, so that the heavy objects can be accurately placed in the designated position. At the same time, different specifications and types of lifting slings can adapt to objects of various shapes and weights, showing good versatility. Its quality and performance are directly related to the safety of the entire lifting operation. High-quality lifting slings can withstand huge tensile force without breaking or damage, effectively avoiding potential dangers and accidents, and ensuring the safety of personnel and property. Lifting slings with fire protection mechanisms can effectively prevent the spread of flames in some special environments such as places with fire hazards, avoid rapid damage to the slings, and ensure that the lifting operation can continue in dangerous situations. This greatly enhances safety and reliability, provides important protection for personnel and property, and makes lifting work more secure. Therefore, a fire-proof annular flexible sling is particularly needed.

[0003] However, the existing fireproof annular flexible slings only have a single fireproof effect when in use, and the fireproof effect is not very good. Moreover, they cannot be moisture-proof if not used for a long time, and long-term placement may cause the slings to rot. Utility Model Content

[0004] The purpose of the utility model is to provide a fireproof annular flexible sling to solve the problem that the existing fireproof annular flexible sling proposed in the above background technology has only a single fireproof effect when in use, and the fireproof effect is not very good, and it cannot be moisture-proof if not used for a long time, and long-term storage may cause the sling to rot.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fireproof annular flexible sling, comprising a sling, a sling ring and a rubber block, the sling having sling rings sewn on both sides, the rubber block attached to the outer surface of the sling, the fireproof mechanism provided on the inner surface of the sling, and the repair mechanism provided on the upper surface of the base;

[0006] The fireproof mechanism includes aramid fiber, glass fiber, silicone coating, aluminum foil layer and high temperature resistant flame retardant stitching. The inner surface of the sling is sewn with aramid fiber, the outer surface of the aramid fiber is bonded with glass fiber, the outer surface of the glass fiber is bonded with silicone coating, the outer surface of the silicone coating is bonded with an aluminum foil layer, and the outer surface of the aluminum foil layer is sewn with high temperature resistant flame retardant stitching.

[0007] Preferably, the size of the aramid fiber matches the size of the glass fiber.

[0008] Preferably, the size of the glass fiber matches the size of the silicone coating.

[0009] Preferably, the size of the aluminum foil layer matches the size of the high temperature resistant and flame retardant suture.

[0010] Preferably, the moisture-proof mechanism includes a polyethylene coating, a polyvinyl chloride coating, a polyurethane coating, a PTFE coating and a fluoroplastic coating; the inner surface of the sling is bonded with a polyethylene coating, the outer surface of the polyethylene coating is bonded with a polyvinyl chloride coating, the outer surface of the polyvinyl chloride coating is bonded with a polyurethane coating, the outer surface of the polyurethane coating is bonded with a PTFE coating, and the outer surface of the PTFE coating is sewn with a fluoroplastic coating.

[0011] Preferably, the size of the polyethylene coating matches the size of the polyvinyl chloride coating.

[0012] Preferably, the size of the polyurethane coating matches the size of the PTFE coating.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the fireproof annular flexible sling is made of aramid fiber, which has excellent high temperature resistance and flame retardant properties, can maintain good strength and stability in high temperature environment, and ensures the reliable load-bearing of the sling during high temperature operation. Then, the glass fiber has excellent heat resistance, fire resistance, and high strength and elastic modulus. It is coated on the outside of the aramid fiber, further enhancing the high temperature resistance and fire resistance of the sling. The silicone coating has excellent high temperature resistance and also provides good waterproof, oil-proof and insulating properties. It is coated on the outside of the glass fiber to form a fireproof and waterproof protective layer, which improves the overall protection capability. The aluminum foil layer has good high temperature resistance and heat radiation reflection capability, and can effectively isolate the high temperature environment. The sling is more secure by stitching with high-temperature resistant and flame-retardant sutures. In addition, the polyethylene coating has excellent moisture-proof and waterproof properties and is resistant to chemical corrosion. It is coated on the outer layer of the sling to form a uniform moisture-proof barrier. The polyvinyl chloride coating is not only moisture-proof and waterproof but also flame-retardant, and can take fire protection into consideration. The polyurethane coating has excellent waterproof, moisture-proof and wear-resistant properties as well as certain flexibility. It can be applied to the surface of the sling in a suitable manner to provide continuous moisture-proof protection. The PTFE coating is not only resistant to high temperature but also waterproof and moisture-proof, and can remain stable in extreme environments. The fluoroplastic coating has excellent waterproof, moisture-proof and chemical corrosion resistance, as well as a low friction coefficient and self-cleaning properties. The coating is stably attached by hot melt or adhesive bonding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the main figure of the utility model;

[0016] Figure 3 This is a schematic diagram of the fire protection structure of the utility model;

[0017] Figure 4 It is a schematic diagram of the moisture-proof mechanism structure of the utility model.

[0018] In the figure: 1. sling; 2. lifting ring; 3. rubber block; 4. fireproof mechanism; 401. aramid fiber; 402. glass fiber; 403. silicone coating; 404. aluminum foil layer; 405. high temperature resistant and flame retardant suture; 5. moisture-proof mechanism; 501. polyethylene coating; 502. polyvinyl chloride coating; 503. polyurethane coating; 504. PTFE coating; 505. fluoroplastic coating. DETAILED DESCRIPTION

[0019] 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 in 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a fireproof annular flexible sling, comprising a sling 1, a ring 2 and a rubber block 3, the rings 2 are sewn on both sides of the sling 1, the rubber block 3 is attached to the outer surface of the sling 1, the fireproof mechanism 4 is arranged on the inner surface of the sling 1, and the upper surface of the base 1 is provided with a repair mechanism 6;

[0021] The fireproof mechanism 4 includes aramid fiber 401, glass fiber 402, silicone coating 403, aluminum foil layer 404 and high temperature resistant flame retardant stitches 405. The inner surface of the sling 1 is sewn with aramid fiber 401, the outer surface of the aramid fiber 401 is bonded with glass fiber 402, the outer surface of the glass fiber 402 is bonded with silicone coating 403, the outer surface of the silicone coating 403 is bonded with aluminum foil layer 404, and the outer surface of the aluminum foil layer 404 is sewn with high temperature resistant flame retardant stitches 405. The fireproof effect is better through the arrangement of aramid fiber 401, glass fiber 402, silicone coating 403, aluminum foil layer 404 and high temperature resistant flame retardant stitches 405. Firstly, aramid fiber 401 has excellent high temperature resistance and flame retardant properties, and can maintain good strength and stability in high temperature environment. Aramid fiber 401 is used as the core load-bearing material of the sling 1 and is combined with other materials by weaving or winding. , providing basic mechanical strength and heat resistance, and then using glass fiber 402 with excellent heat resistance and fire resistance, and also has high strength and elastic modulus, the glass fiber 402 is coated on the outside of the aramid fiber 401, further improving the high temperature resistance and fire resistance of the sling 1, and then using silicone coating 403 with excellent high temperature resistance, and can provide good waterproof, oil-proof and insulation properties, silicone coating 403 is coated on the outside of the glass fiber 402 to form a fireproof and waterproof protective layer, improving the overall protection capability of the sling 1, and then using aluminum foil layer 404 with good high temperature resistance and the ability to reflect thermal radiation, can effectively isolate the high temperature environment from the heat conduction of the internal material, the aluminum foil layer 404 is attached to the outermost layer of the sling 1, and is tightly combined with the silicone coating 403 by hot pressing or adhesive to provide additional fire protection, and finally sutured with high temperature resistant flame retardant suture 405.

[0022] Furthermore, the size of the aramid fiber 401 matches the size of the glass fiber 402 , and the provision of the aramid fiber 401 provides a better fireproofing effect.

[0023] Furthermore, the size of the glass fiber 402 is consistent with the size of the silicone coating 403. Through the provision of the silicone coating 403, the overall protective capability of the sling 1 is improved.

[0024] Furthermore, the size of the aluminum foil layer 404 is consistent with the size of the high temperature resistant flame retardant suture 405. By providing the aluminum foil layer 404, materials can be further saved.

[0025] Furthermore, the moisture-proof mechanism 5 includes a polyethylene coating 501, a polyvinyl chloride coating 502, a polyurethane coating 503, a PTFE coating 504 and a fluoroplastic coating 505. The inner surface of the sling 1 is bonded with the polyethylene coating 501, the outer surface of the polyethylene coating 501 is bonded with the polyvinyl chloride coating 502, the outer surface of the polyvinyl chloride coating 502 is bonded with the polyurethane coating 503, the outer surface of the polyurethane coating 503 is bonded with the PTFE coating 504, and the outer surface of the PTFE coating 504 is sewn with a fluoroplastic coating 505. By arranging the polyethylene coating 501, the polyvinyl chloride coating 502, the polyurethane coating 503, the PTFE coating 504 and the fluoroplastic coating 505, the moisture-proof effect is better. Firstly, the polyethylene coating 501 has excellent moisture-proof and waterproof properties and is resistant to chemical corrosion. The polyethylene coating 501 is coated on the outer layer of the sling 1 and is immersed in A uniform moisture-proof barrier is formed by a soaking or spraying process, and then the polyvinyl chloride coating 502 is used, which is not only moisture-proof and waterproof, but also has certain flame retardant properties. It can improve the moisture-proof performance while taking into account fire prevention. It is coated on the outside of the polyethylene coating 501 and combined with other materials by hot pressing or bonding to ensure the close adhesion of the coating. Then the polyurethane coating 503 is used, which has excellent waterproof, moisture-proof and wear-resistant properties, and has certain flexibility. It is applied to the surface of the sling 1 by spraying, dipping or brushing to provide continuous moisture-proof protection. Then the PTFE coating 504 is used, which is not only resistant to high temperatures, but also has good waterproof and moisture-proof properties, and can remain stable in extreme environments. Finally, the fluoroplastic coating 505 has excellent waterproof, moisture-proof and chemical corrosion resistance, and has a low friction coefficient and self-cleaning properties. It is combined with other materials by hot melting or adhesives to ensure the stable adhesion of the coating.

[0026] Furthermore, the size of the polyethylene coating 501 matches the size of the polyvinyl chloride coating 502 , and the provision of the polyethylene coating 501 provides a better waterproofing effect.

[0027] Furthermore, the size of the polyurethane coating 503 matches the size of the PTFE coating 504 , and the PTFE coating 504 provides excellent waterproof, moisture-proof and chemical corrosion resistance.

[0028] Working principle: First, aramid fiber 401 is used, which has excellent high temperature resistance and flame retardant properties, and can maintain good strength and stability in high temperature environment. Aramid fiber 401 is used as the core load-bearing material of the sling 1, and is combined with other materials by weaving or winding to provide basic mechanical strength and heat resistance. Then, glass fiber 402 is used, which has excellent heat resistance and fire resistance, and also has high strength and elastic modulus. Glass fiber 402 is coated on the outside of aramid fiber 401 to further improve the high temperature resistance and fire resistance of the sling 1. Then, silicone coating 403 is used, which has excellent high temperature resistance and can provide good waterproof, oil-proof and insulation properties. Silicone coating 403 is coated on the outside of glass fiber 402 to form a fireproof and waterproof protective layer to improve the overall protection ability of sling 1. Then, aluminum foil layer 404 is used, which has good high temperature resistance and the ability to reflect thermal radiation, and can effectively isolate the heat conduction of high temperature environment to internal materials. Aluminum foil layer 404 is attached to the outermost layer of sling 1, and is tightly combined with silicone coating 403 by hot pressing or adhesive to provide additional fire protection. Finally, high temperature resistant flame retardant suture 405 is used for suturing, polyethylene coating 501 is used, which has excellent moisture-proof and waterproof properties, and is resistant to chemical corrosion. The polyethylene coating 501 is coated on the outer layer of the sling 1, and a uniform moisture-proof barrier is formed through dipping or spraying process. Then the polyvinyl chloride coating 502 is used, which is not only moisture-proof and waterproof, but also has certain flame retardant properties, which can improve the moisture-proof performance while taking into account fire prevention. It is coated on the outside of the polyethylene coating 501 and combined with other materials by hot pressing or bonding to ensure the close adhesion of the coating. Then the polyurethane coating 503 is used, which has excellent waterproof, moisture-proof and wear-resistant properties, and has certain flexibility. It is applied to the surface of the sling 1 by spraying, dipping or brushing to provide continuous moisture-proof protection. Then the PTFE coating 504 is used, which is not only resistant to high temperature, but also has good waterproof and moisture-proof properties, and can remain stable in extreme environments. Finally, the fluoroplastic coating 505 has excellent waterproof, moisture-proof and chemical corrosion resistance, and has a low friction coefficient and self-cleaning properties. It is combined with other materials by hot melting or adhesive to ensure the stable adhesion of the coating.

[0029] 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 fireproof annular flexible sling, comprising a sling (1), a sling ring (2) and a rubber block (3), characterized in that: The two side surfaces of the sling (1) are sewn with sling rings (2), the outer surface of the sling (1) is bonded with a rubber block (3), the inner surface of the sling (1) is provided with a fireproof mechanism (4), and the inner surface of the sling (1) is provided with a moisture-proof mechanism (5); The fireproof mechanism (4) comprises aramid fiber (401), glass fiber (402), silicone coating (403), aluminum foil layer (404) and high temperature resistant flame retardant stitching (405); the inner surface of the sling (1) is sewn with aramid fiber (401), the outer surface of the aramid fiber (401) is bonded with glass fiber (402), the outer surface of the glass fiber (402) is bonded with silicone coating (403), the outer surface of the silicone coating (403) is bonded with aluminum foil layer (404), and the outer surface of the aluminum foil layer (404) is sewn with high temperature resistant flame retardant stitching (405).

2. A fireproof annular flexible sling according to claim 1, characterized in that: The size of the aramid fiber (401) matches the size of the glass fiber (402).

3. The fireproof annular flexible sling according to claim 1, characterized in that: The size of the glass fiber (402) matches the size of the silicone coating (403).

4. The fireproof annular flexible sling according to claim 1, characterized in that: The size of the aluminum foil layer (404) matches the size of the high temperature resistant flame retardant suture (405).

5. The fireproof annular flexible sling according to claim 1, characterized in that: The moisture-proof mechanism (5) comprises a polyethylene coating (501), a polyvinyl chloride coating (502), a polyurethane coating (503), a PTFE coating (504) and a fluoroplastic coating (505); the inner surface of the sling (1) is bonded with the polyethylene coating (501); the outer surface of the polyethylene coating (501) is bonded with the polyvinyl chloride coating (502); the outer surface of the polyvinyl chloride coating (502) is bonded with the polyurethane coating (503); the outer surface of the polyurethane coating (503) is bonded with the PTFE coating (504); and the outer surface of the PTFE coating (504) is sewn with a fluoroplastic coating (505).

6. A fireproof annular flexible sling according to claim 5, characterized in that: The size of the polyethylene coating (501) matches the size of the polyvinyl chloride coating (502).

7. The fireproof annular flexible sling according to claim 5, characterized in that: The size of the polyurethane coating (503) matches the size of the PTFE coating (504).

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