Fireproof and anti-cutting flexible lifting belt applied to power industry
By using an aramid fiber woven outer jacket and a steel wire rope inner core, combined with a fire-retardant coating and aluminum sleeve joints, the problem of performance degradation and easy cutting of traditional lifting slings in high-temperature environments has been solved, resulting in a fire-resistant and cut-resistant flexible lifting sling suitable for complex power lifting operations.
Patent Information
- Application Number
- CN202520145626.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Traditional lifting slings degrade in performance under high temperatures, are prone to fire, and are easily cut, posing safety hazards.
The outer jacket is made of aramid fiber and the inner core is made of high-strength steel wire rope. The outer layer of the jacket is coated with a fire-retardant coating and the inner core joint is made of double aluminum sleeve segmented pressing to ensure that it maintains load-bearing capacity and fire and cut resistance in extreme environments.
It effectively prevents lifting slings from failing and cutting in high-temperature environments, extends their service life, and ensures the safety of personnel and equipment.
Smart Images
Figure CN223920871U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a hoist belt technical field, concretely relates to a fireproof and cuttingproof flexible hoist belt for power industry application. BACKGROUND
[0002] In the power industry, hoisting operation is an important link in the process of equipment installation, maintenance and repair. The flexible hoist belt is composed of two parts of outer cover and inner core. The outer cover protects the inner core, and the inner core bears the load. The materials of the traditional hoist belt outer cover and inner core such as nylon and polyester have good bearing capacity and certain wear resistance, but in high temperature environment (such as the maintenance site of power transformer, generator and other equipment), the tensile property will decrease greatly, and even fire may be caused. In addition, the power equipment has many sharp corners, which can easily cut the hoist belt under stress. The two conditions of fire and cutting pose a great threat to personnel safety and equipment property. Therefore, it is particularly important to develop a flexible hoist belt that can meet the bearing requirements, maintain stable performance in high temperature environment and has fireproof function. SUMMARY
[0003] The utility model aims at providing a fireproof and cuttingproof flexible hoist belt for power industry application to solve the problems in the above background technology.
[0004] To achieve the above purpose, the utility model provides a fireproof and cuttingproof flexible hoist belt for power industry application, which comprises an inner core and an outer cover wrapped on the inner core, wherein the inner core is wound by a plurality of strands of steel wire rope, and the joint of the inner core is made of a double aluminum sleeve by sectional compression, and the outer cover is woven by aramid fiber through double lock edge.
[0005] Optionally, the cross section of the outer cover and the inner core is oval, and the outer cover is wrapped on the outer surface of the inner core.
[0006] Optionally, the cross section of the double aluminum sleeve is oval, and the double aluminum sleeve is wrapped on the outer surface of the inner core at the joint.
[0007] Optionally, the steel wire rope is a small diameter steel wire rope, and the diameter of the steel wire rope is 0.3-8mm.
[0008] Optionally, the number of strands of the steel wire rope is adjusted by calculating the hoisting load of the flexible hoist belt.
[0009] Optionally, the outer layer of the outer cover is coated with a fireproof coating.
[0010] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model discloses the outer cover adopts by aramid fiber and is woven by double lock edge, realizes the edge reinforcement design, prevents the lock edge from breaking off in the use process because of the wear and tear cutting, and the outer layer of outer cover is coated with the fire -retardant coating simultaneously, makes the flexible hoisting belt have the cutting -resistant fire -retardant effect simultaneously, effectively prevents the flexible hoisting belt from failing because of the fire and cutting in the electric power facility maintenance process, guarantees the safety of personnel and equipment, and the inner core adopts high -strength steel wire rope as the bearing material, ensures that hoisting belt can still keep good carrying capacity under the extreme environment, and the inner core joint adopts the aluminium alloy sleeve segmented pressing process, prevents the slip of aluminium alloy sleeve under the stress state and causes the joint to break off, thereby improve the wear resistance and cutting -resistant fire -retardant capacity of hoisting belt, prolong the service life, and effectively solve the problem that the traditional hoisting belt is in the high temperature environment, and the performance is reduced, and the fire is easily caused, and the cutting is easily received, is applicable to the electric power hoisting operation under various complex environments. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only is some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.
[0012] Figure 1 It is the structure schematic diagram of the fire -resistant cutting -resistant flexible hoisting belt of the utility model embodiment.
[0013] Figure 2 It is Figure 1 the A-A section schematic diagram of.
[0014] In the drawing: inner core 1, outer cover 2, steel wire rope 3, joint 4, double aluminium alloy sleeve 5. DETAILED DESCRIPTION
[0015] The embodiment of the utility model will be described in detail below, and the examples of the embodiment are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as limiting the utility model.
[0016] In the description of the utility model embodiments, it is understood that, if the utility model embodiments are involved, for example, the directions or position relationships of the directions such as upper, lower, left, right, front, rear, inner and outer are based on the directions or position relationships shown in the drawings, which are only for the convenience of describing the utility model embodiments and simplifying the description, and cannot be understood as the limitation of the utility model.
[0017] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the utility model embodiments, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.
[0018] In the utility model embodiments, unless otherwise specifically defined and limited, if there are terms such as "installation", "connection", "connection", "fixing" and the like, they should be understood in a broad sense, for example, they can be fixedly connected, or they can be detachably connected, or they can be integrated. It can be mechanical connection, or electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model embodiments can be understood according to the specific circumstances.
[0019] As shown in Figure 1 and Figure 2 The utility model embodiments provide a fire and cutting prevention flexible hoisting belt applied in power industry, which comprises an inner core 1 and an outer sleeve 2 wrapped on the inner core 1, wherein the inner core 1 is wound by a plurality of steel wire ropes 3, and the joint 4 of the inner core 1 is formed by segmentally pressing a double aluminum sleeve 5, and the outer sleeve 2 is woven by aramid fiber through double-locking edge.
[0020] Specifically, the outer sleeve 2 is woven by aramid fiber through double-locking edge, which realizes edge reinforcement design and prevents the locking edge from being disconnected due to wear and cutting during use; the inner core 1 uses high-strength steel wire rope 3 as the bearing material to ensure that the hoisting belt can still maintain good bearing capacity in extreme environment, and the joint of the inner core 1 adopts the segmental pressing process of the double aluminum sleeve 5 to prevent the aluminum sleeve from slipping and causing the joint to disconnect under stress.
[0021] In the embodiment, as shown in Figure 1 and Figure 2 The cross section of the outer sleeve 2 and the inner core 1 is oval, and the outer sleeve 2 is wrapped on the outer surface of the inner core 1.
[0022] Specifically, the outer surface of the elliptical inner core 1 is smooth and fine, and will not harm the hoisted object, and the outer sleeve 2 and the anti-cutting sleeve 2 can be additionally attached.
[0023] In the embodiment, as shown in the figure, Figure 2 The double-aluminum sleeve 5 has an elliptical cross section, and is wrapped on the outer surface of the inner core 1 at the joint 4.
[0024] Specifically, the joint 4 of the hoisting belt uses the double-aluminum sleeve 5, which has the characteristics of lightness, corrosion resistance, and easy installation, to ensure the safety and smooth progress of hoisting operations.
[0025] In the embodiment, as shown in the figure, Figure 2 The steel wire rope 3 is a small-diameter steel wire rope, and the diameter of the steel wire rope 3 is 0.3-8 mm. The number of strands of the steel wire rope 3 is adjusted by calculating the hoisting load of the flexible hoisting belt.
[0026] Specifically, the steel wire rope 3 adopts a small-diameter steel wire rope, so as to facilitate the accurate calculation and adjustment of the number of strands to achieve the hoisting load of the flexible hoisting belt.
[0027] In the embodiment, the outer layer of the outer sleeve 2 is coated with a fireproof coating, so that the outer sleeve 2 has the effects of cutting prevention and fire prevention.
[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, and improvement within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A fire and cut resistant flexible sling for power industry applications comprising an inner core (1) and an outer cover (2) wrapped over the inner core (1), characterized in that, The inner core (1) is wound by several strands of steel wire rope (3), and the joint (4) of the inner core (1) is formed by segmentally pressing a double aluminum sleeve (5), and the outer sleeve (2) is woven by aramid fiber through double-locking edge weaving.
2. A fire and cut resistant flexible hoistway belt for power industry applications as claimed in claim 1 wherein, The cross section of the outer sleeve (2) and the inner core (1) is oval, and the outer sleeve (2) is wrapped on the outer surface of the inner core (1).
3. A fire and cut resistant flexible hoistway belt for power industry applications as defined in claim 1, wherein, The double aluminum sleeve (5) is pressed into an oval cross section, and the double aluminum sleeve (5) is wrapped on the outer surface of the inner core (1) at the joint (4).
4. A fire and cut resistant flexible hoistway belt for power industry applications as defined in claim 1, wherein, The steel wire rope (3) is a small-diameter steel wire rope, and the diameter of the steel wire rope (3) is 0.3-8 mm.
5. A fire and cut resistant flexible hoistway belt for power industry applications as defined in claim 1, wherein, The number of strands of the steel wire rope (3) is adjusted by calculating and adjusting the hoisting load through a flexible hoisting belt.
6. A fire and cut resistant flexible hoistway belt for power industry applications as defined in claim 1, wherein, The outer layer of the outer sleeve (2) is coated with a fireproof coating.