Device for producing 35W×(K)7 inner layer rope and inner layer rope processing method

Abstract

The device for producing 35W×(K)7 inner layer rope comprises a front end disk of a pre-deformer and six pre-deformation rollers B arranged on the front end disk of the pre-deformer; a pre-deformation roller A is arranged between each two pre-deformation rollers B. The method is to pass six inner layer strands through the R groove A arranged on the pre-deformation roller A; pass six outer layer small strands through the R groove B arranged on the pre-deformation roller A, and then pass six outer layer large strands through the R groove C arranged on the pre-deformation roller B, so that the inner and outer layer strands are pre-deformed into a spiral shape after passing through the device for producing 35W×(K)7 inner layer rope. During the production process, the device of the present invention can pre-deform 18 strands of the inner layer rope at the same time, ensure that the inner layer rope is not loose, improve the twisting quality and structural stability of the inner layer rope, and thus improve the service life.

Description

Technical Field

[0001] The invention relates to a device for producing a 35W×(K)7 inner layer rope and a method for processing the inner layer rope, belonging to the technical field of metal product manufacturing and processing. Background Art

[0002] In the metal products industry, when producing 35W×(K)7 type steel wire rope, it is very important to control the twist stress of the inner rope, which directly affects the service life of the steel wire rope. When the twist stress of the inner and outer ropes is unbalanced, the steel wire rope is prone to early fatigue breakage during use, shortening its service life.

[0003] According to the process requirements, the diameter of the front plate of the pre-deformer is 8-10 times the diameter of the 35W×(K)7 steel wire rope, the working roller diameter of the pre-deformer roller is approximately equal to 3 times ±10% of the outer strand diameter of the 35W×(K)7 steel wire rope, the diameter of the R groove of the pre-deformer roller is approximately equal to 1.5 times ±10% of the outer strand diameter of the 35W×(K)7 steel wire rope, and the diameter of the 35W×(K)7 steel wire rope is approximately equal to 6.6 times the outer strand diameter. Therefore, the diameter of the pre-deformer roller is approximately equal to 0.61-0.75 times the rope diameter of the 35W×(K)7 steel wire rope. By calculation, only 16 pre-deformer rollers can be installed on the front plate of the pre-deformer at most.

[0004] In the production process, the existing device cannot well ensure that the 18 strands of the inner rope are pre-deformed at the same time, so that the inner rope is loose, the twisting quality is poor and the structure is unstable, which further affects the service life. Summary of the invention

[0005] The present invention aims to solve the technical problem that the existing device cannot well ensure the simultaneous pre-deformation of 18 strands of the inner rope during the production process, making the inner rope loose, with poor twisting quality and unstable structure, thus affecting the service life.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The device for producing 35W×(K)7 inner layer rope comprises a front end plate of a pre-deformer and six pre-deformation rollers B arranged on the front end plate of the pre-deformer; a pre-deformation roller A is arranged between every two pre-deformation rollers B;

[0008] The pre-deformation roller A is provided with an R groove A and an R groove B respectively;

[0009] The working roller diameter of the R groove A is equal to 35W×(K)7 inner rope core diameter±10%;

[0010] The R groove diameter of the R groove A is equal to 1.5 times the inner layer strand diameter of the 35W×(K)7 inner layer rope ±10%;

[0011] The working roller diameter of the R groove B is equal to 35W×(K)7 inner rope diameter±10%;

[0012] The R groove diameter of the R groove B is equal to 1.5 times ±10% of the diameter of the outer small strands of the inner rope 35W×(K)7.

[0013] A method for processing a 35W×(K)7 inner layer rope comprises the following steps:

[0014] Step 1: Pass the six inner strands through the R groove A provided on the pre-deformation roller A;

[0015] Step 2: Pass the six outer small strands through the R groove B set on the pre-deformation roller A, and then pass the six outer large strands through the R groove C set on the pre-deformation roller B, so that the inner and outer strands are pre-transformed into a spiral shape after passing through the device for producing 35W×(K)7 inner layer rope.

[0016] The beneficial effects of adopting the above technical solution are:

[0017] During the production process, the device of the present invention can pre-deform 18 strands of the inner rope at the same time, thereby ensuring that the inner rope is not loose, improving the twisting quality and structural stability of the inner rope, and further increasing the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the device for producing 35W×(K)7 inner layer rope of the present invention.

[0019] In the figure: 1-front end plate of pre-deformer, 2-pre-deformation roller A, 3-pre-deformation roller B.

[0020] Figure 2 for Figure 1 Schematic diagram of the structure of the pre-deformation roller A.

[0021] In the figure: 4-R slot A, 5-R slot B.

[0022] Figure 3 for Figure 1 Schematic diagram of the structure of the pre-deformation roller B.

[0023] In the figure: 6-R slot C.

[0024] Figure 4 This is a schematic diagram of the structure of the 35W×(K)7 inner layer rope produced by the present invention.

[0025] In the figure: 7-outer large strands, 8-outer small strands, 9-inner strands. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0027] The device for producing 35W×(K)7 inner layer rope comprises a front end disc 1 of a pre-deformer, and six pre-deformation rollers B3 arranged on the front end disc 1 of the pre-deformer; a pre-deformation roller A2 is arranged between every two pre-deformation rollers B3;

[0028] The pre-deformation roller A2 is provided with an R groove A4 and an R groove B5 respectively;

[0029] The working roller diameter of the R groove A4 is equal to 35W×(K)7 inner rope core diameter±10%;

[0030] The R groove diameter of the R groove A4 is equal to 1.5 times the inner layer strand diameter of the 35W×(K)7 inner layer rope ±10%;

[0031] The working roller diameter of the R groove B5 is equal to 35W×(K)7 inner rope diameter±10%;

[0032] The R groove diameter of the R groove B5 is equal to 1.5 times ±10% of the diameter of the outer small strands of the inner rope 35W×(K)7.

[0033] The smaller the center distance L between the R groove A4 and the R groove B5 is, the better.

[0034] The pre-deformation roller B3 is provided with an R groove C6; the working roller diameter of the R groove C6 is approximately equal to the diameter of the inner layer rope of 35W×(K)7±10%; the R groove diameter of the R groove C6 is approximately equal to 1.5 times±10% of the diameter of the outer layer large strands of the inner layer rope of 35W×(K)7.

[0035] The device can ensure that the 18 strands of the inner rope are pre-transformed into a spiral shape before being included in the pressure shoe, ensuring that the twisted inner rope is not loose, and making the stress of the inner and outer strands of the 35W×(K)7 steel wire rope tend to be balanced. Therefore, the pre-deformer used in the present invention is 12 pre-deformation rollers, of which 6 pre-deformation rollers B3 and 6 pre-deformation rollers A2 are used, so that the inner 6 strands of the 35W×(K)7 inner rope are not deformed, and the twisting stress of the inner rope is large. The pre-deformation roller A2 used in the present invention is a double groove, which can make the 18 strands of the 35W×(K)7 inner rope be pre-deformed while being produced, thereby greatly reducing the twisting stress of the inner rope.

[0036] A method for processing a 35W×(K)7 inner layer rope comprises the following steps:

[0037] Step 1: Pass the six inner layer strands 9 through the R groove A4 provided on the pre-deformation roller A2;

[0038] Step 2: Pass the six outer small strands 8 through the R groove B5 provided on the pre-deformation roller A2, and then pass the six outer large strands 7 through the R groove C6 provided on the pre-deformation roller B3, so that the inner and outer strands are pre-transformed into a spiral shape after passing through the device for producing 35W×(K)7 inner layer rope.

Claims

1. A device for producing 35W×(K)7 inner layer ropes, comprising a front end disc (1) of a pre-deformer, and six pre-deformation rollers B (3) arranged on the front end disc (1) of the pre-deformer; characterized in that: A pre-deformation roller A (2) is provided between each two pre-deformation rollers B (3); The pre-deformation roller A (2) is provided with an R groove A (4) and an R groove B (5); The working roller diameter of the R groove A (4) is equal to 35W×(K)7 inner rope core diameter±10%; The R groove diameter of the R groove A (4) is equal to 1.5 times the inner layer strand diameter of the 35W×(K)7 inner layer rope ±10%; The working roller diameter of the R groove B (5) is equal to 35W×(K)7 inner rope diameter±10%; The R groove diameter of the R groove B (5) is equal to 1.5 times ±10% of the diameter of the outer small strands of the inner rope 35W×(K)7.

2. The method for producing 35W×(K)7 inner layer rope by the device as claimed in claim 1, characterized in that: The method comprises the following steps: Step 1: Pass the six inner layer strands (9) through the R groove A (4) provided on the pre-deformation roller A (2); Step 2: Pass the six outer layer small strands (8) through the R groove B (5) provided on the pre-deformation roller A (2), and then pass the six outer layer large strands (7) through the R groove C (6) provided on the pre-deformation roller B (3), so that the inner and outer layer strands are pre-transformed into a spiral shape after passing through the device for producing the 35W×(K)7 inner layer rope.

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