Mine hoisting steel wire rope with protective layer

Abstract

The utility model discloses a mine hoisting steel wire rope with a protective layer, which comprises a steel wire rope main body, a first steel wire rope core and steel wire rope strands wound and twisted outside the first steel wire rope core, the steel wire rope main body is sleeved with the inner protection layer, and a wear-resistant sheet is welded on the outer surface of the inner protection layer; the middle layer is sleeved on the outer side of the inner protection layer; the outer protection layer sleeves the outer side of the middle layer; the protection core is located in the outer protection layer and wound and twisted on the outer side of the middle layer and comprises a second steel wire rope core, an outer protection layer arranged on the outer side of the second steel wire rope core in a sleeving mode and an anti-loosening strip welded to the outer surface of the outer protection layer; the inner protection layer, the middle layer, the protection core and the outer protection layer are designed in a multi-layer protection mode, the steel wire rope body can be protected, abrasion and impact borne by the steel wire rope body are reduced, the distance is formed between the abrasion-resistant piece and the protection steel wire rope strand, and when the steel wire rope is in a stretching state, a certain deformation space exists between the inner protection layer and the steel wire rope body. And the steel wire rope main body can be prevented from being strongly impacted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mine hoist tool technical field, concretely relates to a mine hoist steel wire rope with protective layer. BACKGROUND

[0002] Mine hoisting refers to transporting ore, coal, waste rock or gangue along the mine shaft, and lifting personnel, equipment and materials, etc., steel wire rope hoisting is a commonly used hoisting method for mine hoisting, and the application of steel wire rope hoisting is also the most extensive, the mine hoisting steel wire rope is generally twisted into strands by multiple steel wires, and then twisted into a rope by surrounding the rope core with the strands (usually 6 strands), the rope core material is sisal or synthetic fiber, and the sealed steel wire rope uses steel wire as the rope core;

[0003] When the mine hoisting rope is in use, the mine hoisting rope is twisted by multiple steel wires and a rope core, when the mine hoisting rope lifts an object, the steel wire rope will be subjected to vibration and impact when contacting with external objects, which causes the steel wires in the middle of the twisted multiple steel wires to be unevenly stressed, and thus the twisted steel wire strands are prone to loose strands and breakage; the twisted steel wire strands on the mine hoisting rope have no protective design, and the twisted steel wire strands cannot be protected from impact.

[0004] The existing mine hoisting rope has the problem of no protective design on the outer side of the twisted steel wire strands when in use, and therefore the present application provides a mine hoisting steel wire rope with a protective layer. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a mine hoisting steel wire rope with a protective layer to solve the problem of no protective design on the outer side of the twisted steel wire strands on the mine hoisting rope as mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mine hoisting steel wire rope with a protective layer, comprising

[0007] A steel wire rope main body comprising a first steel wire rope core and a steel wire rope strand twisted and wound outside the first steel wire rope core;

[0008] An inner protective layer sleeved on the outer side of the steel wire rope main body, and a wear-resistant sheet is welded on the outer surface of the inner protective layer;

[0009] An intermediate layer sleeved on the outer side of the inner protective layer;

[0010] An outer protective layer sleeved on the outer side of the intermediate layer;

[0011] A protective core located inside the outer protective layer and twisted and wound outside the intermediate layer, comprising a second steel wire rope core, an outer protective layer sleeved on the outer side of the second steel wire rope core, and an anti-loosening strip welded on the outer surface of the outer protective layer.

[0012] Preferably, the inner protective layer, the middle layer and the outer protective layer are mesh cylindrical columnar structures.

[0013] Preferably, the anti-loosening strip is a mesh structure.

[0014] Preferably, when adjacent second steel wire rope cores are twisted and twisted, the anti-loosening strips are aligned with the outer surfaces of the adjacent outer sheaths.

[0015] Preferably, the wear-resistant sheet is curved as a whole, and the surface of the wear-resistant sheet away from the inner protective layer is curved.

[0016] Preferably, the wear-resistant sheet includes a fixed root and a fitting portion connected to the inner protective layer. Adjacent wear-resistant sheets are marked as wear-resistant sheet a and wear-resistant sheet b. When adjacent wear-resistant sheet a and wear-resistant sheet b are fitted together, the fitting portion of wear-resistant sheet a coincides with the fixed root of wear-resistant sheet b, and the fitting portion of the wear-resistant sheet contacts the inner surface of the intermediate layer.

[0017] Preferably, the width c of the anti-loosening strip is the same as the radius of the second steel wire rope core.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] In the utility model, an inner protective layer, an intermediate layer, a protective core and an outer protective layer are designed on the outside of the steel wire rope strands from the inside to the outside. The inner protective layer, the intermediate layer, the protective core and the outer protective layer are designed as a multi-layer protection, which can protect the steel wire rope body and reduce the wear and impact it is subjected to. There is a distance between the wear-resistant sheet and the protective steel wire rope strands. When the steel wire rope is in a stretched state, there is a certain deformation space between the inner protective layer and the steel wire rope body, which can prevent the steel wire rope body from being subjected to strong impact. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0022] Figure 3 This is a schematic diagram of the main structure of the steel wire rope of the present invention;

[0023] In the figure: 2, inner protective layer; 3, middle layer; 5, outer protective layer; 11, first steel wire rope core; 12, steel wire rope strand; 21, wear-resistant sheet; 41, second steel wire rope core; 42, outer protective layer; 43, anti-loosening strip. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Embodiment

[0026] Please refer to Figures 1 to 3 The present application provides a technical solution: a steel wire rope with a protective layer for mine hoisting, comprising a steel wire rope main body, a first steel wire rope core 11 and a steel wire strand 12 wound and twisted outside the first steel wire rope core 11, the steel wire rope main body being twisted from the first steel wire rope core 11 and the steel wire strand 12, the technology of twisting multiple steel wires into a certain shape according to certain rules is conventional technology, and will not be described in detail in this application; an inner protective layer 2 is sleeved outside the steel wire rope main body, wear-resistant pieces 21 are welded on the outer surface of the inner protective layer 2, the steel wire rope main body passes through the inner protective layer 2, the inner protective layer 2 plays a role of protecting the steel wire strand 12 from external wear and direct impact, the inner protective layer 2 and the steel wire rope main body are anchored by twisted steel wire rope, in addition, there is a space between the wear-resistant pieces 21 and the protective steel wire strand 12, when the steel wire rope is in a stretched state, there is a certain deformation space between the inner protective layer 2 and the steel wire rope main body, which can avoid the steel wire rope main body from being subjected to strong impact; a middle layer 3 is sleeved outside the inner protective layer 2, an outer protective layer 5 is sleeved outside the middle layer 3, the connection between the middle layer 3 and the inner protective layer 2 is anchored by twisted steel wire rope, the middle layer 3 and the outer protective layer 5 are designed as double-layer protection, which can protect the steel wire rope main body from wear and impact; a protective core is located inside the outer protective layer 5 and twisted outside the middle layer 3, comprising a second steel wire rope core 41, an outer protective layer 42 sleeved outside the second steel wire rope core 41, and anti-loosening strips 43 welded on the outer surface of the outer protective layer 42, the protective core is twisted outside the middle layer 3, the outer protective layer 5 and the twisted protective core are anchored by twisted steel wire rope, which ensures that the outer protective layer 5 is firmly stable, and other fixing methods can also be used for reinforcement, such as twisting a plurality of steel wire ropes at both ends of the steel wire rope main body into one strand, and then fixing them by a wedge sleeve.

[0027] In this embodiment, the inner protective layer 2, the middle layer 3 and the outer protective layer 5 are net cylindrical columnar structures, and the inner protective layer 2, the middle layer 3 and the outer protective layer 5 are designed as three-layer protection, which can protect the steel wire rope main body from wear and impact.

[0028] In the embodiment, the anti-loosening strips 43 are in a mesh structure, and when the adjacent second steel wire rope cores 41 are wound and twisted, the anti-loosening strips 43 are in conformity with the outer surfaces of the adjacent outer protective layers 42, the anti-loosening strips 43 increase the contact area between the adjacent outer protective layers 42, increase the friction, and avoid the situation that the outer protective layer 42 is loose.

[0029] In the embodiment, the wear-resistant sheet 21 is in a curved shape as a whole, and the side surface of the wear-resistant sheet 21 away from the inner protective layer 2 is in a curved shape, in the embodiment, the wear-resistant sheet 21 comprises a fixed root part connected with the inner protective layer 2 and a fitting part, adjacent wear-resistant sheets 21 are denoted as an a wear-resistant sheet 21 and a b wear-resistant sheet 21, when the adjacent a wear-resistant sheet 21 and the b wear-resistant sheet 21 are fitted, the fitting part of the a wear-resistant sheet 21 is in conformity with the fixed root part of the b wear-resistant sheet 21, the fitting part of the wear-resistant sheet 21 is in contact with the inner surface of the intermediate layer 3, there is an overlapping part between the adjacent wear-resistant sheets 21, the friction between the adjacent wear-resistant sheets 21 is increased, in addition, the wear-resistant sheet 21 also has a protection effect.

[0030] In the embodiment, the width c of the anti-loosening strip 43 is the same as the radius of the second steel wire rope core 41, and when the adjacent second steel wire rope cores 41 are in contact, the anti-loosening strip 43 has a contact point with the adjacent second steel wire rope core 41.

[0031] The working principle and use process of the utility model are as follows:

[0032] When the steel wire rope is used, the outer side of the steel wire rope strand 12 has the inner protective layer 2, the intermediate layer 3, the protective core and the outer protective layer 5 from inside to outside in sequence, the inner protective layer 2, the intermediate layer 3, the protective core and the outer protective layer 5 are designed as multi-layer protection, can protect the steel wire rope main body, reduce the wear and impact, the wear-resistant sheet 21 has a spacing with the protective steel wire rope strand 12, when the steel wire rope is in a stretched state, the inner protective layer 2 has a certain deformation space with the steel wire rope main body, can avoid that the steel wire rope main body is subjected to strong impact.

[0033] Although the embodiments of the utility model have been shown and described (detailed in the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel wire rope for mine hoisting with a protective layer, characterized by: include A steel wire rope body comprising a first steel wire rope core (11) and steel wire rope strands (12) wound and twisted outside the first steel wire rope core (11); An inner protective layer (2) is sleeved on the outer side of the wire rope body, and a wear-resistant sheet (21) is welded on the outer surface of the inner protective layer (2); An intermediate layer (3) sleeved on the outer side of the inner protective layer (2); an outer protective layer (5) sleeved on the outer side of the middle layer (3); The protective core is located inside the outer protective layer (5) and is twisted around the outside of the intermediate layer (3), and comprises a second steel wire rope core (41), an outer protective layer (42) sleeved on the outside of the second steel wire rope core (41), and an anti-loosening strip (43) welded on the outer surface of the outer protective layer (42).

2. The steel wire rope for mine hoisting with a protective layer according to claim 1, characterized in that: The inner protective layer (2), the middle layer (3) and the outer protective layer (5) are mesh cylindrical columnar structures.

3. The steel wire rope for mine hoisting with a protective layer according to claim 1, characterized in that: The anti-loosening strip (43) is a mesh structure.

4. The steel wire rope with a protective layer for mine hoisting according to claim 1, characterized in that: When adjacent second steel wire rope cores (41) are twisted and twisted, the anti-loosening strip (43) matches the outer surface of the adjacent outer sheath (42).

5. The steel wire rope for mine hoisting with a protective layer according to claim 1, characterized in that: The wear-resistant sheet (21) is in a curved shape as a whole, and a surface of the wear-resistant sheet (21) that is away from the inner protective layer (2) is in a curved shape.

6. The steel wire rope for mine hoisting with a protective layer according to claim 1, characterized in that: The wear-resistant sheet (21) includes a fixed root portion and a bonding portion connected to the inner protective layer (2). Adjacent wear-resistant sheets (21) are denoted as wear-resistant sheet a (21) and wear-resistant sheet b (21). When the adjacent wear-resistant sheet a (21) and wear-resistant sheet b (21) are bonded together, the bonding portion of the wear-resistant sheet a (21) matches the fixed root portion of the wear-resistant sheet b (21), and the bonding portion of the wear-resistant sheet (21) contacts the inner surface of the intermediate layer (3).

7. The steel wire rope for mine hoisting with a protective layer according to claim 1, characterized in that: The width c of the anti-loosening strip (43) is the same as the radius of the second steel wire rope core (41).

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