CN217516499U

CN217516499U - Quick safe overhead hoist of continuous casting roller shell

Info

Publication number: CN217516499U
Application number: CN202221167191.7U
Authority: CN
Inventors: 张国庆; 闫炜
Original assignee: Rizhao Steel Holding Group Co Ltd
Current assignee: Rizhao Steel Holding Group Co Ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-30
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a quick safe overhead hoist of continuous casting roller shell, the rod iron that the level set up, the rod iron runs through the setting in the inner chamber of roller shell, the both ends of rod iron extend to the outside position department of the left and right-hand member of roller shell respectively, the left end of rod iron is formed with first looper, first looper is located the left end outside of roller shell, the right-hand member of rod iron is formed with the second looper, the second looper is located the right-hand member outside of roller shell, be connected with first wire rope cover on the first looper, be connected with the second wire rope cover on the second looper, the top of first wire rope cover, the top of second wire rope cover all hang on the lifting hook. The utility model forms an integrated lifting appliance, simplifies the lifting process and saves the lifting time; the integrated lifting appliance effectively avoids the risk that the steel wire rope sleeve falls off from the steel bar, and ensures safe lifting operation; the service life of the first steel wire rope sling and the second steel wire rope sling is prolonged.

Description

Quick safe overhead hoist of continuous casting roller shell

Technical Field

The utility model relates to a technical field of roller shell handling specifically is a quick safe overhead hoist of continuous casting roller shell.

Background

A production line of a continuous casting machine needs a large number of continuous casting roller preparation parts, and roller sleeves need to be hoisted frequently in the process of renewing and repairing the continuous casting rollers. The existing hoisting method comprises the following steps: the steel bar penetrates through the roller sleeve; one end of each of the two steel wire rope sleeves is sleeved at the two ends of the steel bar respectively; the length of the steel bar extending out of the two sides of the roller sleeve is adjusted to be uniform; the other ends of the two steel wire rope sleeves are respectively sleeved on the lifting hook; and then hoisting.

On the other hand, the hoisting device used in the method is shown in the attached figure 1 in the specification, but the hoisting device in the prior art has the following problems: 1. the operation steps are complicated, and the efficiency is low; 2. in the hoisting process, the steel bar is easy to bend and deform under the stress condition, so that the steel wire rope sleeves fall off from the two ends of the steel bar, the hoisting accident that the roller sleeves fall is caused, and great safety risk exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a quick and safe lifting device for a continuous casting roller sleeve, which solves the problems of complicated operation steps and low efficiency; in the lifting process, the steel bar is easy to bend and deform under the stress condition, so that the steel wire rope sleeve falls off from the two ends of the steel bar, the lifting accident that the roller sleeve falls is caused, and the problem of great safety risk exists.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a quick safe overhead hoist of continuous casting roller shell, includes the rod iron that the level set up, the rod iron runs through the setting in the inner chamber of roller shell, the both ends of rod iron extend to the outside position department of the left and right-hand member of roller shell respectively, the left end of rod iron is formed with first looper, first looper is located the left end outside of roller shell, the right-hand member of rod iron is formed with the second looper, the second looper is located the right-hand member outside of roller shell, be connected with first wire rope sling on the first looper, be connected with the second wire rope sling on the second looper, the top of first wire rope sling, the top of second wire rope sling all hang on the lifting hook.

Preferably, the diameter of the steel bar is 25mm, the length of the steel bar is 800mm, and the steel bar is made of Q235.

Preferably, the lengths of the first steel wire rope sling and the second steel wire rope sling are both 1500mm, and the diameters of the first steel wire rope sling and the second steel wire rope sling are both 12 mm.

Preferably, the first bending ring and the second bending ring are formed by bending the ends of the steel bar after heating.

Preferably, the joint of bending over a slow fire adopts welded fastening, the joint of bending over a slow fire department is polished smoothly.

Compared with the prior art, the lifting device for the continuous casting roller sleeve, which adopts the technical scheme, has the following beneficial effects:

firstly, a steel bar penetrates through an inner cavity of a roller sleeve to be lifted, so that a first bent ring and a second bent ring are respectively positioned at the outer sides of two ends of the roller sleeve, a first steel wire rope sleeve is positioned at the outer position of the left end of the roller sleeve, a second steel wire rope sleeve is positioned at the outer position of the right end of the roller sleeve, finally, the top end of the first steel wire rope sleeve and the top end of the second steel wire rope sleeve are hung on a lifting hook, and a worker lifts the roller sleeve by moving the lifting hook, so that the roller sleeve is lifted;

two wire rope sleeves and the steel bar are fixed together to form an integrated lifting appliance, so that the lifting process is simplified, and the lifting time is saved; the integrated lifting appliance effectively avoids the risk that the steel wire rope sleeve falls off from the steel bar, and ensures safe lifting operation;

the first steel wire rope sleeve and the second steel wire rope sleeve are symmetrically distributed around the center of the roller sleeve by the design that the lengths of the first steel wire rope sleeve and the second steel wire rope sleeve are equal, so that the roller sleeve is prevented from inclining, and smooth hoisting operation is ensured;

fourthly, the joint department of bending over a slow fire adopts welded fastening to improve joint strength, the joint department of bending over a slow fire is polished smoothly, avoids there being first wire rope cover of burr scratch, second wire rope cover, prolongs the life of first wire rope cover, second wire rope cover.

Drawings

Fig. 1 is a schematic view of a prior art roll cover lifting device.

Fig. 2 is a schematic diagram of an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 2, quick safe overhead hoist of continuous casting roller shell, rod iron 1 including the level setting, rod iron 1 runs through the setting in the inner chamber of roller shell 2, the outside position department of the left and right-hand members of roller shell 2 is extended to respectively at the both ends of rod iron 1, the left end of rod iron 1 is formed with first looper 11, first looper 11 is located the left end outside of roller shell 2, the right-hand member of rod iron 1 is formed with second looper 12, second looper 12 is located the right-hand member outside of roller shell 2, be connected with first wire rope cover 3 on the first looper 11, be connected with second wire rope cover 4 on the second looper 12, the top of first wire rope cover 3, the top of second wire rope cover 4 all hang on lifting hook 5.

In the use, earlier run through rod iron 1 in the inner chamber of the roller shell 2 that needs were hung up, make first looper 11, second looper 12 is located the both ends outside position department of roller shell 2 respectively, thereby first wire rope cover 3 is located the left end outside position department of roller shell 2, second wire rope cover 4 is located the right-hand member outside position department of roller shell 2, last the top of first wire rope cover 3, the top of second wire rope cover 4 all hangs on lifting hook 5, the staff lifts by crane the operation through removing lifting hook 5, thereby handling roller shell 2. The two steel wire rope sleeves and the steel bar 1 are fixed together to form an integrated lifting appliance, so that the lifting process is simplified, and the lifting time is saved; the risk that the wire rope cover drops from the rod iron 1 has effectively been avoided to the hoist of integration, ensures safe handling operation that carries on.

As shown in fig. 2, the diameter of the steel rod 1 is 25mm, the length of the steel rod 1 is 800mm, and the steel rod 1 is made of Q235. Higher strength can be provided, effectively avoiding the steel bar 1 from bending, wherein, the design with the length of 800mm ensures that the steel bar 1 has enough strength to form a loop at the two ends thereof.

As shown in fig. 2, the first wire rope sling 3 and the second wire rope sling 4 both have a length of 1500mm and a diameter of 12 mm. Wherein, the design that the length of first wire rope cover 3, second wire rope cover 4 equals for first wire rope cover 3, second wire rope cover 4 avoid roller shell 2 to take place the slope about roller shell 2's central symmetric distribution, ensure smooth handling operation.

As shown in fig. 2, the first bending ring 11 and the second bending ring 12 are formed by bending the ends of the steel bar 1 after heating. The joint department of bending over a slow fire adopts welded fastening to improve joint strength, the joint department of bending over a slow fire is polished smoothly, avoids there being burr scratch first wire rope cover 3, second wire rope cover 4, prolongs the life of first wire rope cover 3, second wire rope cover 4.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A quick and safe hoisting device for a continuous casting roller sleeve comprises a steel bar (1) which is horizontally arranged, it is characterized in that the steel bar (1) is arranged in the inner cavity of the roller sleeve (2) in a penetrating way, the two ends of the steel bar (1) respectively extend to the outer positions of the left end and the right end of the roller sleeve (2), a first bent ring (11) is formed at the left end of the steel bar (1), the first bent ring (11) is positioned outside the left end of the roller sleeve (2), a second bent ring (12) is formed at the right end of the steel bar (1), the second bent ring (12) is positioned outside the right end of the roller sleeve (2), the first curved ring (11) is connected with a first wire rope sleeve (3), the second curved ring (12) is connected with a second wire rope sleeve (4), the top end of the first steel wire rope sleeve (3) and the top end of the second steel wire rope sleeve (4) are hung on the lifting hook (5).

2. The lifting device for the rapid and safe continuous casting roller sleeve as claimed in claim 1, which is characterized in that: the diameter of rod iron (1) is 25mm, the length of rod iron (1) is 800mm, the material of rod iron (1) adopts Q235.

3. The quick and safe lifting device for the continuous casting roll sleeve according to claim 2 is characterized in that: the length of the first steel wire rope sling (3) and the length of the second steel wire rope sling (4) are both 1500mm, and the diameter of the first steel wire rope sling and the diameter of the second steel wire rope sling are both 12 mm.

4. The quick and safe hoisting device for the continuous casting roll sleeve according to claim 3, characterized in that: the first bending ring (11) and the second bending ring (12) are formed by bending the end of the steel bar (1) after heating.

5. The quick and safe hoisting device for the continuous casting roll sleeve according to claim 4, characterized in that: the joint of bending over a slow fire adopts welded fastening, and the joint of bending over a slow fire is polished smoothly.