Split welding type rope wheel device

Abstract

The utility model discloses a split welding type rope wheel device which comprises a main shaft and a rope wheel body, the rope wheel body is sleeved in the middle of the main shaft through a flange seat, two ends of the main shaft are respectively connected with a bearing, a steel wire rope is wound in a rope groove of an outer ring of the rope wheel body, and when the rope groove is abraded, a bolt for connecting the rope wheel body and the flange seat is screwed off. The abraded rope wheel body can be replaced without detaching the bearing, the replacement process is simple, labor is saved, efficiency is high, and the cost for replacing spare parts is low.

Description

Technical Field

[0001] The utility model relates to the field of lifting equipment, in particular to a split welded rope pulley device. Background Art

[0002] When the blast furnace charging system uses a charging cart to load materials, the winch needs to pull the wire rope through the rope pulley device to send the charging cart to the loading port, and the rope pulley device controls the direction of the wire rope. During the loading and unloading process of the charging cart, the wire rope and the rope groove of the rope pulley device will repeatedly rub against each other, causing the wire rope and the rope groove to wear. The rope pulley device structure of the prior art is as follows: Figure 1 and Figure 2 As shown, it is composed of a rope pulley body 1, a bearing 2, a main shaft 3 and a wire rope 4. The rope pulley body 1 is sleeved on the middle part of the main shaft 3 and fixed to the main shaft 3 by a key. The two ends of the main shaft 3 are respectively connected to the bearing seat 2. The wire rope 4 is wound in the rope groove of the outer ring of the rope pulley body 1, and the rope pulley body 1 can rotate around the main shaft 3. The rope pulley device of the prior art is generally used for about three years. Due to the wear of the rope groove, the bearing and the rope pulley body need to be disassembled and replaced as a whole. The replacement process is complicated. During the replacement process, since the bearing is a wearing part, it cannot be reused after disassembly, resulting in high cost of replacing spare parts. Utility Model Content

[0003] In view of the problems existing in the prior art, the utility model proposes a split welded rope pulley device. When the rope groove is severely worn, only the rope pulley body needs to be replaced separately, and there is no need to replace the rope pulley device as a whole. The replacement process is simple, labor-saving, efficient, and low-cost.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a split welded rope pulley device, comprising a main shaft and a rope pulley body. The rope pulley body is sleeved in the middle of the main shaft through a flange seat, two ends of the main shaft are respectively connected with bearings, and a steel wire rope is wound in a rope groove of an outer ring of the rope pulley body.

[0006] Preferably, the flange seat is sleeved on the main shaft, both ends of the main shaft are respectively connected to bearings, the flange seat is located between the two bearings, and the rope pulley body is sleeved on the flange seat.

[0007] Preferably, the flange seat and the main shaft are fixed by a key.

[0008] Preferably, the sheave body is a forged steel sheave body.

[0009] Preferably, the rope pulley body and the flange seat are fixedly connected by bolts.

[0010] Preferably, an edge extending in the radial direction is provided on one side of the inner ring of the rope pulley body, and the edge is fixedly connected to the outer ring of the flange seat by bolts.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a flange seat between the main shaft and the rope pulley body, the flange seat is sleeved on the main shaft, the rope pulley body is sleeved on the flange, the rope pulley body and the flange seat are fixedly connected by bolts, so when the rope groove is worn, it is only necessary to unscrew the bolts connecting the rope pulley body and the flange seat and replace the worn rope pulley body, without disassembling the bearing, the replacement process is simple, labor is saved, the efficiency is high, and the cost of replacing spare parts is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0014] Figure 1 It is a side view structural schematic diagram of a rope pulley device in the background technology;

[0015] Figure 2 It is a front cross-sectional view of a rope pulley device in the background technology;

[0016] Figure 3 It is a side structural schematic diagram of the rope pulley device of the utility model;

[0017] Figure 4 It is a front cross-sectional view of the rope pulley device of the utility model;

[0018] Figure numerals: 1, rope pulley body, 101, edge, 2, bearing, 3, main shaft, 4, wire rope, 5, flange seat, 501, through hole. DETAILED DESCRIPTION

[0019] The implementation scheme of the utility model will be described in detail below with reference to examples, but those skilled in the art will understand that the following examples are only used to illustrate the utility model and should not be regarded as limiting the scope of the utility model.

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] The following description sets forth specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in a variety of other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] refer to Figure 3 and Figure 4 This embodiment proposes a split welded rope pulley device, including a rope pulley body 1, a main shaft 3, and a flange seat 5, the flange seat 5 is sleeved on the main shaft, the two ends of the main shaft 3 are respectively connected to the bearings 2, the flange seat 5 is located between the two bearings 2, the rope pulley body 1 is sleeved on the flange seat 5, and the rope groove of the outer ring of the rope pulley body 1 is wound with a steel wire rope.

[0023] In the above embodiment, the two bearings 2 are respectively installed in the bearing seats, and the two bearing seats are fixed on the furnace top frame platform. During the operation of the wire rope 4, the rope pulley body 1 can rotate around the main shaft 3. After long-term use, when the rope groove is worn, it is only necessary to remove the rope pulley body 1 from the flange seat 5 and replace it without removing the bearing 2. The replacement process is simple, labor-saving, efficient, and the cost of replacing spare parts is low.

[0024] Preferably, the flange seat 5 is fixed to the main shaft 3 by a key, so that the entire rope pulley device is stable and reliable during the operation of the wire rope.

[0025] Preferably, the sheave body 1 is a forged steel sheave body, and the forged sheave body 1 has no defects such as sand holes and shrinkage holes inside, and the rope groove position has no defects, so that the wire rope will not be worn due to defects in the sheave body 1.

[0026] Preferably, the rope pulley body and the flange seat are fixedly connected by bolts, which is convenient for connection and disassembly.

[0027] Preferably, a radially extending edge 101 is provided on one side of the inner ring of the sheave body 1, the inner ring of the sheave body 1 is fitted with the outer ring of the flange seat 5, and the edge 101 is fixedly connected to the outer ring of the flange seat 5 by bolts, which can ensure the reliability of the connection between the sheave body 1 and the flange seat 5.

[0028] In the above embodiments, the flange seat 5 may be further provided with a plurality of through holes 501 , and the circle formed by the line connecting the centers of the plurality of through holes 501 is concentric with the flange seat 5 , which can save materials and reduce the mass of the rope pulley device without changing the mechanical properties of the flange seat 5 .

[0029] Although the utility model has been described in detail in this specification with general descriptions and specific implementation schemes, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model based on the utility model. Therefore, these modifications or improvements made without departing from the utility model are within the scope of protection claimed by the utility model.

Claims

1. A split welded rope pulley device, characterized in that: The invention comprises a main shaft (3) and a rope pulley body (1), wherein the rope pulley body (1) is sleeved on the middle part of the main shaft (3) through a flange seat (5), and the two ends of the main shaft (3) are respectively connected to bearings (2), and a steel wire rope (4) is wound in the rope groove of the outer ring of the rope pulley body (1).

2. A split welded rope pulley device according to claim 1, characterized in that: The flange seat (5) is sleeved on the main shaft (3), the flange seat (5) is located between the two bearings (2), and the rope pulley body (1) is sleeved on the flange seat (5).

3. A split welded rope pulley device according to claim 2, characterized in that: The flange seat (5) and the main shaft (3) are fixed via a key.

4. A split welded rope pulley device according to claim 1, characterized in that: The rope pulley body (1) is a forged steel rope pulley body.

5. A split welded rope pulley device according to claim 2, characterized in that: The rope pulley body (1) and the flange seat (5) are fixedly connected by bolts.

6. A split welded rope pulley device according to claim 5, characterized in that: An edge (101) extending in the radial direction is provided on one side of the inner ring of the rope pulley body (1), and the edge (101) is fixedly connected to the outer ring of the flange seat (5) by means of bolts.

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