CN214031407U

CN214031407U - Transition lifting appliance device for lifting standby steel ladle cover

Info

Publication number: CN214031407U
Application number: CN202022740228.8U
Authority: CN
Inventors: 郭引红
Original assignee: Shanxi Jianlong Industrial Co Ltd
Current assignee: Shanxi Jianlong Industrial Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-24
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a transition lifting appliance device for lifting a standby ladle cover, which comprises a transition lifting hook head, a lifting plate, a fixed tenon, a fixed mortise and a lifting hole, wherein the lifting hole is arranged at the upper part of the lifting plate, the fixed mortise is arranged at the lower part of the lifting plate, the fixed tenon is arranged at the top position of the transition lifting hook head, the lifting plate and the transition lifting hook head are connected by the fixed tenon on the transition lifting hook head and the fixed mortise on the lifting plate in a fastening way, and the lifting plate and the transition lifting hook head are welded and fixed; the utility model has the advantages of solved the problem that the transition hoist device preparation degree of difficulty is big, the expense is high, dismantle the difficulty, satisfied simple structure, the simple operation can one-man dismantle this characteristics, has further improved work efficiency, economical and practical.

Description

Transition lifting appliance device for lifting standby steel ladle cover

Technical Field

The utility model relates to a hoist technical field, concretely relates to spare ladle be built by contract and is lifted by crane transition hoist device of usefulness.

Background

In the actual steelmaking production process, the condition of missing after a ladle cover accident sometimes exists in a pouring ladle made on a ladle revolving platform of a continuous casting machine, in order to ensure that the temperature of molten steel in a ladle without the ladle cover is normal, a steel tapping bridge-spanning crane is needed to put a ground standby ladle cover on a ladle opening without the ladle cover, and the standby ladle cover is hung down after the molten steel pouring task is completed.

The prior spare ladle cover hoisting transition lifting appliance has the following defects:

1. the rivet hook is large in manufacturing difficulty and high in cost, the rivet hook is formed by riveting four steel plates, and the rivet hook is assembled by a left connecting plate, a right connecting plate, an upper pin shaft, a lower pin shaft, an upper clamping plate, a lower clamping plate and four sets of fixing bolts.

2. The disassembly is inconvenient, and the disassembly of the transition lifting appliance device needs to be completed by at least two persons in a matching way.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a transition hoist device that reserve ladle shroud lifted by crane usefulness has solved former transition hoist device and has made difficult, the expense is high, use the difficult problem of dismantling the trouble.

The technical scheme of the utility model is that: a transition lifting appliance device for lifting a standby ladle cover comprises a transition lifting hook head, a lifting plate, a fixing tenon, a fixing mortise and a lifting hole;

the upper part of the hanging plate is provided with the hanging hole, the lower part of the hanging plate is provided with the fixing mortise, the fixing tenon is arranged at the top of the hook head of the transition lifting hook, the hanging plate and the hook head of the transition lifting hook are fixedly connected through the fixing tenon on the hook head of the transition lifting hook and the fixing mortise on the hanging plate, and the hanging plate and the hook head of the transition lifting hook are welded and fixed;

furthermore, the size of the hook head of the transition lifting hook is matched with the size of a lifting hole on the ladle cover.

Furthermore, the upper end of the cross section of the hanging plate is semicircular, and the lower end of the cross section of the hanging plate is square.

Furthermore, the fit between the fixed tenon and the fixed mortise is standard tolerance fit.

Furthermore, the fixing mortise is a square hole.

Furthermore, the cross section of the hanging hole is the same as that of the hanging plate, the upper edge of the hanging hole is semicircular, and the lower edge of the hanging hole is square.

Furthermore, the size of the lifting hole is matched with the size of the opening of the hook head of the bridge crane and the width of the hook head.

Furthermore, the inner side of the lifting hole is provided with anti-skidding threads, and the outer contour is subjected to rounding treatment.

The utility model has the advantages of it is following:

1. the problems of high manufacturing difficulty, high cost and difficulty in disassembly of the conventional transition lifting appliance device are solved.

2. The device has the characteristics of simple structure, convenience in operation and capability of being detached by a single person, and the cost is saved.

3. Greatly reduces the production cost, improves the working efficiency and is economical and practical.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

In the figure: 1. a transition hook head; 2. a hanger plate; 3. fixing the tenon; 4. fixing the mortise; 5. and (4) hoisting holes.

Detailed Description

The contents of the present invention will be further described with reference to specific embodiments, but the embodiments are only preferred embodiments of the present invention, so that all equivalent changes made by the features and principles described in the claims of the present invention are included in the claims of the present invention.

As shown in fig. 1-2, a transition lifting appliance device for lifting a spare ladle cover comprises a transition lifting hook head 1, a lifting plate 2, a fixing tenon 3, a fixing mortise 4 and a lifting hole 5;

2 upper portions of hanger plate have been seted up

lifting hole

5, 2 lower parts of hanger plate are provided with fixed mortise 4, fixed tenon 3 set up in 1 top position of transition lifting hook gib head, hanger plate 2 with transition lifting hook gib head 1 passes through fixed tenon 3 on the transition lifting hook gib head 1 with 4 fastening connection of fixed mortise on the hanger plate 2, just welded fastening between hanger plate 2 and the transition lifting hook gib head 1.

In the preferred embodiment, the size of the hook head 1 of the transition lifting hook is matched with the size of a lifting hole on a ladle cover, so that the structural stability of the device is improved, and the safety problem caused by too large or too small size matching in the installation and use process is prevented.

In the preferred embodiment, the upper end of the cross section of the hanging plate 2 is semicircular, the lower end of the cross section of the hanging plate 2 is square, and the structural arrangement can reduce the collision between the upper end of the hanging plate 2 and a hook head of a crane.

In the preferred embodiment, the fitting between the fixing tenon 3 and the fixing mortise 4 is a standard tolerance fitting, so as to enhance the fastening performance of the tenon-and-mortise structure.

In the preferred embodiment, the fixing mortise 4 is a square hole, so that the bearing capacity in the horizontal direction and the vertical direction is enhanced.

In the preferred embodiment, the cross section of the lifting hole 5 is the same as that of the lifting plate 2, the upper edge is semicircular, and the lower edge is square, so that the lifting stress of the upper edge is large, and the bearing capacity can be improved by the structural arrangement.

In the preferred embodiment, the size of the lifting hole 5 is matched with the opening size and the width of the hook head of the bridge crane, so that the structural stability of the device is improved, and the safety problem caused by too large or too small size matching in the installation and use process is prevented.

In the preferred embodiment, the inner side of the lifting hole 5 is provided with anti-skid threads, and the outer contour is subjected to rounding treatment, so that the reliability of the device is improved, the abrasion of the outer contour of the lifting hole 5 is reduced, the durability is improved, and the service life is prolonged.

The utility model discloses a structural principle and mounting means:

at first according to the size of the bridge crane gib head opening size and the gib head width of on-the-spot hoist ladle be built by contract on the transition lifting hook 2 and the size of lewis hole 5, according to ladle be built by contract on the hanging hole size confirm transition lifting hook gib head 1 size, in the manufacturing installation process, the transition hoist device need set up a fixed mortise 4 in 2 lower parts of hanger plate, process a fixed tenon 3 on the upper portion of transition lifting hook gib head 1, during the assembly with the fixed tenon 3 on the transition lifting hook gib head 1 insert in the fixed mortise 4 of hanger plate 2 lower part, adopt electric welding to carry out full weld to hanger plate 2 and transition lifting hook gib head 1 joint position at last, accomplish the installation, make whole transition hoist device more firm, improve the security coefficient.

The utility model provides a current transition hoist device make the degree of difficulty big, the expense is high, dismantle the problem of difficulty, realized simple structure simultaneously, the simple operation can one-man dismantle this characteristics, has practiced thrift the cost, and greatly reduced manufacturing cost, improved work efficiency, economical and practical.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a transition hoist device that reserve ladle be built by crane usefulness which characterized in that: the device comprises a transition lifting hook head (1), a lifting plate (2), a fixing tenon (3), a fixing mortise (4) and a lifting hole (5);

hanger plate (2) upper portion has been seted up lewis hole (5), hanger plate (2) lower part is provided with fixed mortise hole (4), fixed tenon (3) set up in transition lifting hook gib head (1) top position, hanger plate (2) and transition lifting hook gib head (1) pass through fixed tenon (3) on transition lifting hook gib head (1) with fixed mortise hole (4) fastening connection on hanger plate (2), just hanger plate (2) with welded fastening between transition lifting hook gib head (1).

2. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the size of the transition lifting hook head (1) is matched with the size of a lifting hole on a ladle cover.

3. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the upper end of the cross section of the hanging plate (2) is semicircular, and the lower end of the cross section of the hanging plate is square.

4. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the fixed tenon (3) and the fixed mortise (4) are matched in a standard tolerance mode.

5. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the fixing mortise (4) is a square hole.

6. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the cross section of the lifting hole (5) is the same as that of the lifting plate (2), the upper edge of the lifting hole is semicircular, and the lower edge of the lifting hole is square.

7. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: the size of the lifting hole (5) is matched with the size of the opening of the hook head of the bridge crane and the width of the hook head.

8. The transition spreader device for hoisting the standby ladle cover according to claim 1, wherein: and anti-skid threads are arranged on the inner side of the lifting hole (5), and the outer contour is subjected to rounding treatment.