Roll changing and hoisting device for high-speed wire rod neutral roll

By designing a high-speed wire rod neutral roll changing hoisting device and adopting a combined structure of connecting blocks, swivels, ropes and fixing devices, the low safety problem caused by the simple structure of the wire rope is solved, and the firmness and safety of the roll hoisting are improved.

CN223372561UActive Publication Date: 2025-09-23BAOTOU IRON & STEEL (GROUP) CO LTD
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Patent Information

Application Number
CN202422764748.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-09-23
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

In the prior art, the steel wire rope used when replacing the rollers has a simple structure and low firmness, resulting in insufficient safety.

Method used

A high-speed wire rod neutral roll changing hoisting device was designed. It adopts a combined structure of connecting blocks, connecting swivels, hanging rings, ropes and fixing devices. The arc-shaped fixing frame and rubber protective layer are used to improve the fixing firmness and safety of the rolls.

Benefits of technology

The firmness and safety of roller hoisting are improved, rope entanglement is avoided, and the hoisting process is simplified.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-speed wire rod neutral roll changing hoisting device which comprises a connecting block, a connecting rotating ring is welded to the upper end of the connecting block, a hanging ring is welded to the upper end of the connecting rotating ring, ropes are arranged on the two sides of the bottom end of the connecting block, and the bottom end of the rope located on the left side is connected to a fixing ring through a splayed rotating ring. A first fixing device is welded to the bottom end of the fixing ring, the bottom end of the rope on the right side is connected to the fixing ring through a splayed rotating ring, a second fixing device is welded to the bottom end of the fixing ring, and the first fixing device comprises a first fixing frame, a connecting skirt edge, a bolt, a nut and a second fixing frame. The bottom ends of the two sides of each rope are each provided with the rotationally-connected fixing device, each fixing device comprises the two arc-shaped fixing frames, the fixing frames of the arc-shaped structures can fix a roller, the firmness and safety of roller hoisting are improved, the connecting blocks at the top ends of the two ropes are rotationally connected with the hanging rings, and therefore the roller hoisting safety is improved. The rope winding condition is avoided, so that the hoisting is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-speed wire rod roller replacement, in particular to a high-speed wire rod neutral roller replacement hoisting device. Background Art

[0002] High-speed wire rod mills are generally designed for rough rolling as flat-vertical alternating mills, and generally use ductile iron or cast steel rolls. When the grooves on the rolls are used up, they need to be replaced with new turned rolls. When replacing the flat mill, wire ropes are generally used to lift the rolls from both ends of the flat mill.

[0003] The existing steel wire rope used for replacing the rollers is not only simple in structure, but also has low firmness when binding the rollers, resulting in low safety. Therefore, the present invention provides a high-speed wire rod neutral roller changing hoisting device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-speed wire rod neutral roller replacement hoisting device to solve the problem that the steel wire rope used in the above-mentioned background technology when replacing the rollers is not only simple in structure, but also the single rope has low firmness when binding the rollers, thereby resulting in low safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-speed wire rod neutral roll changing hoisting device, comprising a connecting block, a connecting swivel welded to the upper end of the connecting block, a hanging ring welded to the upper end of the connecting swivel, ropes are provided on both sides of the bottom end of the connecting block, the bottom end of the rope on the left side is connected to the fixed ring through an eight-shaped swivel, and a first fixing device is welded to the bottom end of the fixed ring;

[0006] The bottom end of the rope on the right side is connected to the fixing ring through an eight-shaped swivel, and a second fixing device is welded at the bottom end of the fixing ring.

[0007] Preferably, as a preferred embodiment of the present invention, the first fixing device includes a first fixing frame, a connecting skirt, a bolt, a nut, and a second fixing frame. A second fixing frame with a symmetrical structure is provided above the first fixing frame, and connecting skirts of an integrated structure are provided at the front and rear ends of the first fixing frame and the second fixing frame. The connecting skirts on the first fixing frame and the second fixing frame are fixedly connected by bolts, and nuts are threadedly connected to the bolts.

[0008] Preferably, as a preferred embodiment of the present invention, the inner ends of the first fixing frame and the second fixing frame are both arc-shaped structures, and both ends of the first fixing frame and the second fixing frame are open structures.

[0009] Preferably, as a preferred embodiment of the present invention, the inner end surfaces of the first fixing frame and the second fixing frame are both provided with a protective layer made of rubber material.

[0010] Preferably, as a preferred embodiment of the present invention, the two ropes are in an eight-shaped structure.

[0011] Preferably, as a preferred embodiment of the present invention, the first fixing device and the second fixing device have the same structure and are symmetrical.

[0012] Preferably, as a preferred embodiment of the present invention, the rope is a steel wire rope.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In the utility model, a rotatably connected fixing device is installed at the bottom ends of both sides of the rope. The fixing device includes two arc-shaped fixing frames. The arc-shaped fixing frames can fix the rollers, thereby increasing the firmness and safety of the roller lifting.

[0015] 2. In the present invention, the connecting blocks at the top ends of the two ropes are rotatably connected to the hanging rings, thereby preventing the ropes from becoming entangled and facilitating lifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a right side view of the fixing device of the present utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure of the figure-eight swivel and the fixed ring of the utility model.

[0019] In the figure: 1. connecting block; 2. connecting swivel; 3. hanging ring; 4. rope; 5. figure-eight swivel; 6. fixing ring; 7. first fixing device; 71. first fixing frame; 72. connecting skirt; 73. bolt; 74. nut; 75. second fixing frame; 8. second fixing device. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely for the purpose of facilitating the description of the present invention and simplifying the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, in the description of the present invention, the terms "first," "second," "third," and "fourth" are used solely for descriptive purposes and should not be construed as indicating or implying relative importance.

[0022] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "set," "install," "connect," and "connect" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections. They can also refer to mechanical connections or electrical connections. They can also refer to direct connections or connections through an intermediate medium. They can also refer to internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The meaning of "plurality" in the present invention is two or more, and unless otherwise expressly specified or limited, they fall within the scope of protection of the present invention.

[0023] Example: Figure 1-3 The utility model provides a technical solution: comprising a connecting block (1),

[0024] The upper end of the connecting block (1) is welded with a connecting swivel 2, and a hanging ring 3 is welded at the upper end of the connecting swivel 2. Ropes 4 are provided on both sides of the bottom end of the connecting block 1. The bottom end of the rope 4 on the left side is connected to a fixing ring 6 through an eight-shaped swivel 5, and a first fixing device 7 is welded at the bottom end of the fixing ring 6.

[0025] The bottom end of the right rope 4 is connected to the fixing ring 6 through the figure eight swivel 5, and a second fixing device 8 is welded at the bottom end of the fixing ring 6.

[0026] The first fixing device 7 includes a first fixing frame 71, a connecting skirt 72, a bolt 73, a nut 74, and a second fixing frame 75. A second fixing frame 75 with a symmetrical structure is provided above the first fixing frame 71. Connecting skirts 72 of an integrated structure are provided at the front and rear ends of the first fixing frame 71 and the second fixing frame 75. The first fixing frame 71 and the connecting skirt 72 on the second fixing frame 75 are fixedly connected by bolts 73, and nuts 74 are threadedly connected to the bolts 73.

[0027] The inner ends of the first fixing frame 71 and the second fixing frame 75 are both arc-shaped structures, and both ends of the first fixing frame 71 and the second fixing frame 75 are open structures.

[0028] The inner end surfaces of the first fixing frame 71 and the second fixing frame 75 are both provided with a rubber protective layer.

[0029] The two ropes 4 are in an eight-shaped structure.

[0030] The first fixing device 7 and the second fixing device 8 have the same structure and are symmetrical.

[0031] Rope 4 is a steel wire rope

[0032] Working principle:

[0033] When in use, separate the first fixing frame 71 and the second fixing frame 75 and put them on the upper and lower positions of the roller respectively, then put the first fixing device 7 and the second fixing device on the two ends of the roller respectively, and then fix the first fixing frame 71 and the second fixing frame 75 with bolts 73, and then hang the hook of the crane on the hanging ring 3 for hoisting.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A high-speed wire rod neutral roller replacement hoisting device, comprising a connecting block (1), characterized in that: A connecting swivel (2) is welded to the upper end of the connecting block (1), and a hanging ring (3) is welded to the upper end of the connecting swivel (2). Ropes (4) are provided on both sides of the bottom end of the connecting block (1). The bottom end of the rope (4) on the left side is connected to a fixing ring (6) through an eight-shaped swivel (5), and a first fixing device (7) is welded to the bottom end of the fixing ring (6). The bottom end of the rope (4) on the right side is connected to the fixing ring (6) through an eight-shaped swivel (5), and a second fixing device (8) is welded at the bottom end of the fixing ring (6).

2. The high-speed wire rod neutral roller replacement hoisting device according to claim 1, characterized in that: The first fixing device (7) comprises a first fixing frame (71), a connecting skirt (72), a bolt (73), a nut (74) and a second fixing frame (75); a second fixing frame (75) having a symmetrical structure is provided above the first fixing frame (71); connecting skirts (72) of an integrated structure are provided at both the front and rear ends of the first fixing frame (71) and the second fixing frame (75); the first fixing frame (71) and the connecting skirts (72) on the second fixing frame (75) are fixedly connected by bolts (73), and nuts (74) are threadedly connected to the bolts (73).

3. The high-speed wire rod neutral roller replacement hoisting device according to claim 2, characterized in that: The inner ends of the first fixing frame (71) and the second fixing frame (75) are both arc-shaped structures, and both ends of the first fixing frame (71) and the second fixing frame (75) are open structures.

4. The high-speed wire rod neutral roller replacement hoisting device according to claim 2, characterized in that: The inner end surfaces of the first fixing frame (71) and the second fixing frame (75) are both provided with a protective layer made of rubber material.

5. The high-speed wire rod neutral roller replacement hoisting device according to claim 1, characterized in that: The two ropes (4) are in an eight-shaped structure.

6. The high-speed wire rod neutral roller replacement hoisting device according to claim 1, characterized in that: The first fixing device (7) and the second fixing device (8) have the same structure and are symmetrical.

7. The high-speed wire rod neutral roller replacement hoisting device according to claim 1, characterized in that: The rope (4) is a steel wire rope.