Auxiliary device for replacing steel wire rope of crane

Abstract

The utility model belongs to the technical field of crane steel wire rope replacement, and particularly discloses an auxiliary device for replacing a steel wire rope of a crane, which comprises a fixing component, a support component arranged on a base component, and an electric hoist connected onto the support component. One end of an old steel wire rope on a winch of the trolley is bound with the electric hoist, the old steel wire rope is lowered through the electric hoist and welded to one end of a new steel wire rope, the new steel wire rope is pulled up, slow rotation is conducted through the winch on the trolley, replacement of the old steel wire rope and the new steel wire rope is achieved in the rotation process, and the electric hoist replaces manpower to pull up the steel wire rope at a constant speed. The utility model has the advantages of saving manpower, reducing the potential safety hazard of high-altitude operation of personnel, and reducing the replacement time.

Description

Technical Field

[0001] The utility model relates to the technical field of crane wire rope replacement, in particular to an auxiliary device for replacing the wire rope of a crane. Background Technique

[0002] Crane equipment is one of the key equipment in the field of iron and steel enterprises. The cranes used in steelmaking are mainly used for hoisting molten iron, molten steel, steel billets, steel slag, waste materials, etc. During the long-term use of the wire rope, it will experience frequent friction and wear, which may lead to a decrease in the diameter and strength of the wire rope, thus increasing the risk of fracture. If the severely worn wire rope is not discovered and replaced in time, it may cause the wire rope to suddenly break during use, resulting in major safety accidents. Therefore, it is necessary to regularly detect and replace the worn wire rope.

[0003] In the conventional replacement, nearly multiple workers are required to use manpower to pull the wire rope from the ground to the trolley balance arm with a rope, and then install it on the winch that needs to be replaced. It takes at least nearly an hour to replace a wire rope. The labor intensity of the on-site workers is high and the replacement time is long. Content of the Utility Model

[0004] The purpose of the utility model is to provide an auxiliary device for replacing the wire rope of a crane, so as to solve the problems of high labor intensity and long replacement time of on-site personnel when replacing the wire rope.

[0005] To achieve the above purpose, the basic scheme provided by the utility model is: an auxiliary device for replacing the wire rope of a crane, which is characterized in that it includes a fixing component and an electric hoist. The fixing component is provided with an L-shaped support rod, two through holes are opened on the L-shaped support rod, and the L-shaped support rod is provided with a connection component for connecting the L-shaped support rod and the electric hoist.

[0006] The principle and beneficial effects of the utility model are as follows: The fixing component is installed on the winch support arm, the electric hoist is lifted by the support component, the old wire rope is lowered by the electric hoist, the new wire rope is lifted, and through the slow rotation of the winch, the replacement of the old and new wire ropes is realized during the rotation process. The electric hoist replaces manpower to lift the wire rope upward at a constant speed. The L-shaped support rod can provide stability and can also be conveniently connected to other lifting equipment, having the advantages of saving manpower, reducing the safety hazards of high-altitude operations of personnel, and reducing the replacement time.

[0007] Solution 2, which is the preferred option of the basic solution. The fixing component includes a base. On each side of the base, there is a short board and a long board connected. On the outer side of each of the two short boards, there is a first nut welded. A screw rod passes through each of the two short boards movably, and the two screw rods are respectively threadedly connected to the two first nuts. On one side of the two long boards, there is a second nut welded. An L-shaped screw rod passes through the two long boards movably, and the L-shaped screw rod is threadedly connected to the second nut. The L-shaped screw rod passes through the two long boards and the support arm movably to limit and fix the base. The screw rods pass through the two short boards movably, and the inner ends of the two screw rods respectively abut against both sides of the support arm. Connect each screw rod and nut to strengthen the firmness of the base on the support arm.

[0008] Solution 3, which is the preferred option of the basic solution. There is a reinforcing rib at the connection between the L-shaped support rod and the support rod base. Setting the reinforcing rib can enhance the connection stability between the support rod and the base, and can also bear and transfer the load from the L-shaped support rod.

[0009] Solution 4, which is the preferred option of the basic solution. The connection component includes a ring. The ring is fixedly penetrated through the through hole. A hook is movably connected to the ring, and the hook is movably connected to the electric hoist. The hook is connected to the L-shaped support rod through the ring, and the hook is connected to the electric hoist. When there are many steel wire ropes to be lifted, the ring is arranged in the outer through hole, otherwise, the ring is arranged in the inner through hole, which has convenience.

[0010] Solution 5, which is the preferred option of Solution 4. Rubber rings are provided on both of the two through holes. Setting the rubber rings can reduce the friction of the ring on the through hole part, extend the service life, and can also reduce the vibration when the ring moves in the through hole during the start of the machine. Brief Description of the Drawings

[0011] Figure 1 is the installation schematic diagram of an auxiliary device for replacing the steel wire rope of a crane according to the present utility model;

[0012] Figure 2 is the front view of an auxiliary device for replacing the steel wire rope of a crane according to the present utility model;

[0013] Figure 3 is the three-dimensional view of an auxiliary device for replacing the steel wire rope of a crane according to the present utility model;

[0014] Figure 4 is the three-dimensional view of an auxiliary device for replacing the steel wire rope of a crane according to the present utility model from another angle. Detailed Description of the Embodiment

[0015] The present utility model will be further described in detail below through specific embodiments:

[0016] The reference numerals in the drawings of the specification include: 1. fixed component, 2. bracket component, 3. electric hoist, 4. base, 5. short plate, 6. long plate, 7. L-shaped support rod, 8. hook, 9. ring, 10. first nut, 11. second nut, 12. screw rod, 13. L-shaped screw rod, 14. reinforcing rib, 15. through hole, 16. rubber ring.

[0017] Embodiment

[0018] The embodiment is basically as shown in the attached Figure 1 to the attached Figure 4 figures: An auxiliary device for replacing the steel wire rope of a crane, including a fixed component 1 and an electric hoist 3. An L-shaped support rod 7 is provided on the fixed component 1. Two through holes 15 are opened on the L-shaped support rod 7. A connection component for connecting the L-shaped support rod 7 and the electric hoist 3 is provided on the L-shaped support rod 7. The connection component includes a ring 9. The ring 9 is fixedly penetrated through the through hole 15. A hook 8 is movably connected to the ring 9. The hook 8 is movably connected to the electric hoist 9. The fixed component 1 includes a base 4. One short plate 5 and one long plate 6 are connected to each side of the base 4. A first nut 10 is welded to the outer side of each of the two short plates 5. A screw rod 12 is movably penetrated through each of the two short plates 5. The two screw rods 12 are respectively threadedly connected to the two first nuts 10. A second nut 11 is welded to one side of each of the two long plates 6. An L-shaped screw rod 13 is movably penetrated through the two long plates 6. The L-shaped screw rod 13 is threadedly connected to the second nut 11. A reinforcing rib 14 is provided at the connection between the L-shaped support rod 7 and the base 4. Rubber rings 16 are provided in both of the two through holes 15.

[0019] The specific implementation process of this embodiment is as follows:

[0020] When installing the auxiliary device, first place the bracket component 4 on the winch support arm of the trolley. Insert the two screw rods 12 into the holes of the short plates 8 from both ends respectively, abut against the side surface of the winch support arm, and be firmly screwed and fixed with the first nut 14. Then sequentially insert the L-shaped screw rod 13 through the long plate 9 and the winch support arm, and be firmly screwed and fixed with the second nut 15. Finally, lift the electric hoist 5 with the hook 11.

[0021] When replacing the wire rope, first remove one end of the old wire rope on the winch and tie it to the head of the wire rope of the electric hoist 5. Then lower the electric hoist 5, and the old wire rope will be pulled downward together. During the lowering process, the old wire rope wound on the winch will be pulled out as the electric hoist 5 is pulled. After reaching the ground height, weld one end of the new wire rope to one end of the old wire rope. Tie the unwelded end of the new wire rope to the head of the wire rope of the electric hoist 5. Then raise the electric hoist 5. When it reaches the height of the winch, fix one end of the new wire rope on the side of the winch without wire rope. Then start the winch so that the new wire rope is wound around the drum of the winch as the winch rotates evenly, and the old wire rope is gradually pulled out of the winch during the rotation. Wait until the old wire rope is completely pulled out to the ground by the new wire rope, disconnect the welded part of the new and old wire ropes, and slowly raise the tail end of the new wire rope to the winch. Finally, fix the tail end of the new wire rope.

[0022] After the replacement is completed, detach the electric hoist 5 from the hook 11, remove the short board 8 and the long board 9 in sequence with the screw rod 12 and the L-shaped screw rod 13. Then detach the entire fixing assembly 1 from the winch support arm. Finally, store the auxiliary device in the device storage place.

[0023] The above are only the embodiments of the present invention. Common knowledge such as specific structures and characteristics known in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners described in the specification can be used to explain the content of the claims.

Claims

1. An auxiliary device for replacing a wire rope of a crane, characterized in that: The invention comprises a fixing component (1) and an electric hoist (3), wherein the fixing component (1) is provided with an L-shaped support rod (7), the L-shaped support rod (7) is provided with two through holes (15), and the L-shaped support rod (7) is provided with a connecting component for connecting the L-shaped support rod (7) and the electric hoist (3).

2. The auxiliary device for replacing a steel wire rope of a crane according to claim 1, characterized in that: The fixing assembly (1) comprises a base (4), wherein a short plate (5) and a long plate (6) are connected to both sides of the base (4), a first nut (10) is welded to the outer side of each of the two short plates (5), a screw rod (12) is movably passed through each of the two short plates (5), and the two screw rods (12) are respectively threadedly connected to the two first nuts (10), a second nut (11) is welded to one side of the two long plates (6), an L-shaped screw rod (13) is movably passed through the two long plates (6), and the L-shaped screw rod (13) is threadedly connected to the second nut (11).

3. The auxiliary device for replacing a steel wire rope of a crane according to claim 1, characterized in that: A reinforcing rib (14) is provided at the connection between the L-shaped support rod (7) and the base (4).

4. The auxiliary device for replacing a steel wire rope of a crane according to claim 1, characterized in that: The connecting assembly comprises a circular ring (9), the circular ring (9) is fixedly inserted into the through hole (15), a hook (8) is movably connected to the circular ring (9), and the hook (8) is movably connected to the electric hoist (3).

5. The auxiliary device for replacing a steel wire rope of a crane according to claim 4, characterized in that: Rubber rings (16) are arranged in the two through holes (15).

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