CN210104412U

CN210104412U - Sealing steel wire rope with diameter of 200mm for spatial structure

Info

Publication number: CN210104412U
Application number: CN201920310895.7U
Authority: CN
Inventors: 黄忠渠; 贺孝宇; 严志远; 曾波; 郑立茂
Original assignee: Guizhou Steel Rope Co Ltd
Current assignee: Guizhou Steel Rope Co Ltd
Priority date: 2019-03-12
Filing date: 2019-03-12
Publication date: 2020-02-21
Anticipated expiration: 2029-03-12

Abstract

A sealed steel wire rope with the diameter of 200mm for a space structure sequentially comprises a central metal core, a circular steel wire inner layer and a Z-shaped steel wire outer layer from inside to outside; the central metal core is divided into four layers, the structure is 1 multiplied by 55SWS, the steel wire structure is 1+9+9+9/9+18 from inside to outside in sequence, and the number of the steel wires is 55; the inner layer of the round steel wire is divided into five layers, the steel wire structure is 24+30+36+42+48 from inside to outside, and the number of the steel wires is 180; the outer layer of the Z-shaped steel wire is seven layers, the structure of the steel wire is 60+67+74+68+76+84+92 from inside to outside in sequence, and the number of the steel wires is 521. The utility model discloses rational in infrastructure, tensile strength is strong, long service life, economic benefits is obvious, is applicable to space structure region such as large-scale stadiums, tourism aerial cableway, deep well hoisting facility.

Description

Sealing steel wire rope with diameter of 200mm for spatial structure

Technical Field

The utility model relates to a diameter 200 mm's spatial structure is with sealed wire rope belongs to wire rope technical field.

Background

With the continuous demand and development of space fields such as large stadiums, tourism ropeways, deep well hoisting facilities and the like, the demand for steel wire ropes is increasing day by day, and simultaneously, higher requirements are provided for the structural requirements, twisting quality and performance characteristics of the steel wire ropes; because the rope inner layer structure is comparatively loose, cubic bending stress still appears when serious, and the rope surface is not complete surface contact when contacting with outside circular article, and it is inhomogeneous to have compressive stress, aggravates bending stress, so fatigue resistance can be poor, and its fill factor is little simultaneously, breaking force is low, life is short and use limitation is big, and is difficult to satisfy actual demand.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve current circular steel wire single strand rope except receiving the primary bending stress that outside circular articles such as pulley or reel caused in the use, still exist the rope layer steel wire and excessively slide the serious mutual extrusion that causes and produce the secondary bending stress, because the rope inner structure is comparatively loose, cubic bending stress still can appear when serious, it is not complete face contact when rope surface and outside circular articles contact, it is inhomogeneous to have pressure stress, aggravate bending stress, so fatigue resistance can be poor, its filling coefficient is little simultaneously, break the pulling force low, short service life and use limitation are big, and be difficult to satisfy actual need's technical problem.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a sealed steel wire rope with the diameter of 200mm for a space structure sequentially comprises a central metal core, a circular steel wire inner layer and a Z-shaped steel wire outer layer from inside to outside;

the central metal core is divided into four layers, the structure is 1 multiplied by 55SWS, the steel wire structure is 1+9+9+9/9+18 from inside to outside, the center is 1 steel wire, and the number of the steel wires is 55;

the inner layer of the round steel wire is divided into five layers, the steel wire structure is 24+30+36+42+48 from inside to outside, and the number of the steel wires is 180;

the outer layer of the Z-shaped steel wire is seven layers, the structure of the steel wire is 60+67+74+68+76+84+92 from inside to outside in sequence, and the number of the steel wires is 521.

The first to the third layers of the steel wire section structure of the Z-shaped steel wire outer layer from inside to outside are Z₆The fourth to seventh layers of the steel wire are Z₈And (5) forming a steel wire.

The surface of the sealed steel wire rope is plated with a zinc-aluminum alloy coating.

The aluminum content of the zinc-aluminum alloy coating is more than 4.2 percent, and the weight is more than 255g/m²And the surface of the plating layer is not coated with oil.

Adopt above-mentioned technical scheme's beneficial effect:

1. the utility model discloses rational in infrastructure, the bending stress that slides and produce between steel wire is stopped to rope inlayer and steel wire layer structure, and the outer surface of rope is complete surface contact and dispersed stress with outside circular article, only has the bending stress who produces with the contact of outer circular article in the use.

2. The utility model discloses an outer section structure of Z shape wire, including upper and lower height, overall height, curvature radius size isoparametric and the structure and the diameter of rope etc. cooperate closely, make sealed wire rope metal cross-sectional area big, the density coefficient is big.

3. The utility model discloses a circular steel wire inlayer structural design has effectually guaranteed the required general soft characteristic of sealed wire rope.

4. The utility model discloses a tensile strength is strong, long service life, and economic benefits is obvious, is applicable to spatial structure region such as large-scale stadiums, tourism aerial cableway, deep well hoisting facility.

Drawings

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the sealing steel wire rope for the space structure with the diameter of 200 mm.

In the figure: 1-central metal core, 2-inner round steel wire layer and 3-outer Z-shaped steel wire layer.

Detailed Description

The invention is further described below in conjunction with specific embodiments:

as shown in figure 1, the sealing steel wire rope for the space structure with the diameter of 200mm sequentially comprises a central metal core 1, a circular steel wire inner layer 2 and a Z-shaped steel wire outer layer 3 from inside to outside, and the total number of the steel wires is 756.

The central metal core 1 is divided into four layers, the structure is 1 × 55SWS, the steel wire structures are 1+9+9+9/9+18 from inside to outside in sequence, namely the center is 1 steel wire, 9 first layers, 9 second layers, 18 third layers and 18 fourth layers, and the number of the steel wires is 55.

The inner layer 2 of the round steel wire is divided into five layers, the steel wire structure is 24+30+36+42+48 from inside to outside, namely 24 steel wires in the first layer, 30 steel wires in the second layer, 36 steel wires in the third layer, 42 steel wires in the fourth layer and 48 steel wires in the fifth layer, and the number of the steel wires is 180;

the outer layer 3 of the Z-shaped steel wire is seven layers, the steel wire structure is 60+67+74+68+76+84+92 from inside to outside in sequence, namely 60 first layers, 67 second layers, 74 third layers, 68 fourth layers, 76 fifth layers, 84 sixth layers and 92 seventh layers, and the number of the steel wires is 521.

The first to third layers of the steel wire section structure of the Z-shaped steel wire outer layer 3 from inside to outside are Z₆The fourth to seventh layers of the steel wire are Z₈And (5) forming a steel wire.

The production of the utility model comprises the following steps:

(1) zinc-aluminium alloy steel wire manufacture

The process parameters of the steel wire galvanized aluminum alloy are set as follows: drawing a steel wire by adopting a raw material with the steel grade of 82B; DV value: 120, steel wire diameter: 2.0 mm-8.0 mm, zinc temperature: 440 +/-50 ℃, zinc-aluminum temperature: 450 +/-50 ℃; 22m/min at the speed of 2.0-3.00 mm, 16m/min at the speed of 3.00-5.00 mm and 11m/min at the speed of 5.0-8.00 mm, and the thickness and the aluminum content of a zinc layer can meet the requirements of the class A standard of GB/T20492-2006 Steel wire and Steel stranded wire with zinc-5% aluminum-mixed rare earth alloy coating.

(2) Rope making

Then twisting a strand core of 1 multiplied by 55SWS on a tubular strand machine by using qualified zinc-aluminum alloy steel wires, twisting a single strand rope of five layers of round steel wires by using a series unit respectively, twisting seven layers of Z-shaped steel wires on a rope forming machine, wherein the strand rope and the rope forming process are produced by using a wire distribution plate, the specification of a wire pressing tile is slightly smaller than the strand diameter and the rope diameter by 0.5-2.0 mm, and the twisting tension of each wire is ensured to be uniform in twisting, so that the steel wires are twisted tightly. The obtained zinc-aluminum alloy sealing steel wire rope with the diameter of 120mm is tested by a detection center, all parameters reach relevant standards and design requirements, the actual requirements in the space structure fields of large stadiums, travel ropeways, deep well hoisting facilities and the like can be met, and the market competitiveness of products is improved.

The utility model can firstly produce the central metal core 1 which can be formed by one-time twisting on a tubular machine; then twisting the round steel wire layer again to form a round steel wire inner layer 2 which can be formed by one-time twisting on a multi-basket frame series unit; and finally twisting the Z-shaped steel wire layer by layer on a basket rope twisting machine to form a Z-shaped steel wire outer layer 3, and finally forming the whole sealed steel wire rope with the diameter of 200mm for the space structure.

Claims

1. A sealed steel wire rope with the diameter of 200mm for a space structure is characterized by comprising a central metal core (1), a circular steel wire inner layer (2) and a Z-shaped steel wire outer layer (3) from inside to outside in sequence;

the central metal core (1) is divided into four layers, the structure is 1 multiplied by 55SWS, the steel wire structure is 1+9+9+9/9+18 from inside to outside in sequence, the center is 1 steel wire, and the number of the steel wires is 55;

the inner layer (2) of the round steel wire is divided into five layers, the steel wire structure is 24+30+36+42+48 from inside to outside, and the number of the steel wires is 180;

the outer layer (3) of the Z-shaped steel wire is seven layers, the steel wire structure is 60+67+74+68+76+84+92 from inside to outside in sequence, and the number of the steel wires is 521.

2. A sealed steel wire rope for space structure with 200mm diameter according to claim 1, wherein the cross-sectional structure of the steel wire of the Z-shaped steel wire outer layer (3) is Z in the first to third layers from inside to outside₆The fourth to seventh layers of the steel wire are Z₈And (5) forming a steel wire.

3. A 200mm diameter space structure used sealed steel wire rope according to claim 1, wherein the surface of said sealed steel wire rope is plated with a zinc-aluminum alloy plating layer.

4. A 200mm diameter sealed steel wire rope for space structure according to claim 3, wherein the surface of said zinc-aluminum alloy coating layer is not coated with oil.