CN220485046U

CN220485046U - Overturning shafts mounted on two sides of mill housing and matched arc supporting seat thereof

Info

Publication number: CN220485046U
Application number: CN202322043676.6U
Authority: CN
Inventors: 邵文宣; 张家利; 解明磊; 王贤权; 郭迪
Original assignee: Angang Construction Group Co ltd
Current assignee: Angang Construction Group Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-13
Anticipated expiration: 2033-08-01

Abstract

The utility model belongs to the technical field of metallurgical rolling mill mechanical equipment installation, and particularly relates to a turnover shaft and a matched arc supporting seat thereof, wherein the turnover shaft is arranged at two sides of a mill housing, the turnover shaft comprises a shaft body and a flange, the flange and the shaft body are of an integrated structure, the flange divides the shaft body into a matching section and a supporting section, and the matching section is matched with a turnover hole at the outer side of the mill housing; the supporting section is matched with the cambered surface on the matched circular arc supporting seat, and the overturning hole is positioned at the position 1/3 of the height of the housing. The beneficial effects of the utility model are as follows: when no boss is arranged on two sides of the mill housing, a pair of detachable cylindrical shafts are added on two sides of the housing as overturning fulcrums to realize overturning of the housing; the cylindrical shaft is arranged on the matched arc supporting seat, and the cylindrical shaft can prevent instability in the overturning process of the mill housing through rotating in the arc groove of the supporting seat. Simple structure, simple to operate saves the time limit for a project again, saves the expense, and the in-process of the upset of memorial archway is also more stable, safe simultaneously.

Description

Overturning shafts mounted on two sides of mill housing and matched arc supporting seat thereof

Technical Field

The utility model belongs to the technical field of mechanical equipment installation of metallurgical rolling mills, and particularly relates to a turnover shaft arranged on two sides of a mill housing and a matched arc supporting seat thereof.

Background

In mill housing hoisting construction, different hoisting methods are selected according to different field conditions, one is to use the bottom of the housing as a fulcrum for vertical hoisting and overturning, and the other is to use bosses on two sides of the housing as a fulcrum for vertical hoisting and overturning.

In thick plate 4300 rolling mill transformation engineering, owing to receive driving gib head rise height, 0 elevation ground space is less and roll change foundation pit is narrower etc. site conditions restriction, need use to use the boss of housing both sides as the fulcrum to carry out and hang the upset immediately, but owing to this rolling mill housing appearance has the specificity, the housing both sides do not have the boss, bring the resistance for the installation of equipment, need design a comparatively complicated revolving frame, carry the rolling mill housing to overturn, this kind of revolving frame design, the preparation is comparatively complicated to the installation period is longer unable to satisfy time limit for a project and expense requirement, influences the efficiency of equipment installation, also brings the potential safety hazard for the installation work simultaneously.

Disclosure of Invention

The utility model aims to provide a turnover shaft arranged at two sides of a mill housing and a matched arc supporting seat thereof, which overcome the defects of the prior art, and the two sides of the housing are provided with a cylindrical turnover shaft at 1/3 of the height and are matched with a pair of arc supporting seats, so that the vertical hanging turnover of the mill housing is realized, and the matched arc supporting seats can enable the turnover process of the mill housing to be more stable, safer and prevent instability.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

the turnover shaft is characterized by comprising a shaft body and a flange, wherein the flange and the shaft body are of an integrated structure, the shaft body is divided into a matching section and a supporting section by the flange, the length of the matching section is 70mm-80mm, the length of the supporting section is 670mm-770mm, the matching section is matched with a turnover hole at the outer side of the mill housing, a flange hole is formed in the flange, and the flange hole corresponds to a threaded hole at the periphery of the turnover hole; the support section is matched with the cambered surface on the matched circular arc support seat, and the overturning hole is positioned at the upper 1/3 of the height of the memorial archway.

Further, a spigot capable of accommodating the flange is arranged in the overturning hole.

Further, the depth of the spigot is 70mm-80mm.

Further, the diameter of the shaft body is 500-550 mm.

The utility model provides a supporting circular arc supporting seat, its characterized in that includes base and backup pad, and interior arc backup pad sets up the top at the base, the base is box seam spare, and both sides are equipped with deep floor, base and upset basis fixed connection.

Further, the supporting plate is a 180-degree semicircular arc.

Further, the surface of the supporting plate is lined with an aluminum plate of not less than 3 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1) The problem that the overturning of the housing is realized by adding a pair of detachable cylindrical shafts on two sides of the housing as overturning fulcrums under the condition that no boss is arranged on two sides of the housing of the rolling mill is solved; the cylindrical shaft is arranged on the matched arc supporting seat, and the cylindrical shaft can prevent instability in the overturning process of the mill housing through rotating in the arc groove of the supporting seat.

2) Simple structure, simple to operate saves the time limit for a project again, saves the expense, and the in-process of the upset of memorial archway is also more stable, safe simultaneously.

Drawings

FIG. 1 is a schematic view of a structure of an embodiment of a roll-over shaft of the present utility model mounted on both sides of a mill housing;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic structural view of an embodiment of a supporting arc support base according to the present utility model;

FIG. 4 is a schematic view of a rolling mill housing with a reversing hole according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a roll-over shaft mounted on a mill housing in an embodiment of the utility model;

FIG. 6 is a schematic diagram showing the rolling mill housing turning from the horizontal to the vertical;

in the figure: the novel high-strength steel bar comprises a 1-shaft body, a 2-flange, a 3-matching section, a 4-supporting section, a 5-overturning hole, a 6-mill housing, a 7-matched arc supporting seat, an 8-spigot, a 9-base, a 10-supporting plate and an 11-reinforcing rib plate.

Detailed Description

The technical solutions of the present utility model will be clearly and fully described below with reference to specific embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the embodiments that are needed in the embodiments or the prior art descriptions, and it is obvious that the embodiments in the following description are some embodiments of the present utility model and that other embodiments may be obtained according to these embodiments without inventive effort for a person skilled in the art.

The components of the embodiments of the present utility model generally described and illustrated in the specific embodiments herein can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as provided in the specific embodiments, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

1-2, a structural schematic diagram of an embodiment of a turnover shaft installed on two sides of a mill housing of the utility model, comprising a shaft body 1 and a flange 2, wherein the flange 2 and the shaft body 1 are of an integrated structure, the flange 2 divides the shaft body 1 into a matching section 3 and a supporting section 4, the length of the matching section 3 is 70mm, the length of the supporting section 4 is 770mm, the matching section 3 is matched with a turnover hole 5 on the outer side of the mill housing 6, the flange 2 is provided with a flange hole, and the flange hole corresponds to a threaded hole on the periphery of the turnover hole 5; the supporting section 4 is matched with the cambered surface on the matched circular arc supporting seat 7, and the overturning hole 5 is positioned at 1/3 of the height of the mill housing 6. The diameter of the shaft body 1 is 500mm.

A spigot 8 which can accommodate the flange is arranged in the overturning hole 5. The spigot 8 is 70mm-80mm deep, so that the length of the turnover shaft after installation can be shortened, and the potential safety hazard of accidental shearing or deformation of the turnover shaft in the installation process caused by overlarge moment is avoided.

Fig. 3 is a schematic structural diagram of an embodiment of a supporting arc supporting seat, which comprises a base 9 and a supporting plate 10, wherein the inner arc supporting plate 10 is arranged at the top of the base 9, the base 9 is a box-shaped welding piece, reinforcing rib plates 11 are arranged on two sides of the base 9, and the base 9 is fixedly connected with a turnover foundation. The base of the box-shaped welding piece has high strength and is not easy to crush.

The surface of the support plate is lined with an aluminum plate of not less than 3 mm. Can be smeared with dry oil to reduce abrasion.

When the utility model is implemented, as shown in fig. 4-6, the turnover hole 5 is machined at a proper position outside the mill housing 6, the turnover hole 5 is positioned at the upper 1/3 position of the height of the housing, the spigot 8 in the turnover hole 5 is arranged, the outer ring of the edge of the turnover hole is provided with a threaded hole, the shaft body 1 of the turnover shaft is assembled into the turnover hole, the matching section 3 is matched with the turnover hole 5, the flange 2 is sunk into the spigot, and the turnover shaft is connected with the mill housing 6 by bolts. The matched arc supporting seat 7 is welded on the overturning foundation, the mill housing 6 is hoisted, the supporting section of the shaft body is matched with the supporting plate on the matched arc supporting seat 7, the mill housing 6 can rotate relative to the shaft body, and the mill housing 6 is overturned to be in an upright state by means of a crane. The scheme solves the problem that the two sides of the mill housing do not have overturning fulcra, the overturning requirement can be met only by means of the two short shaft bodies, and the shaft bodies rotate in the arc grooves of the supporting plates, so that the rolling mill housing overturning process is more stable and safer, and instability can be prevented.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The turnover shaft is characterized by comprising a shaft body and a flange, wherein the flange and the shaft body are of an integrated structure, the shaft body is divided into a matching section and a supporting section by the flange, the length of the matching section is 70mm-80mm, the length of the supporting section is 670mm-770mm, the matching section is matched with a turnover hole at the outer side of the mill housing, a flange hole is formed in the flange, and the flange hole corresponds to a threaded hole at the periphery of the turnover hole; the support section is matched with the cambered surface on the matched circular arc support seat, and the overturning hole is positioned at the upper 1/3 of the height of the memorial archway.

2. The roll-over spindle of claim 1, wherein the roll-over bore has a spigot for receiving a flange.

3. A roll-over spindle for mounting on both sides of a mill housing according to claim 2, wherein the spigot is 70mm-80mm deep.

4. A roll-over spindle for mounting on both sides of a mill housing according to claim 1, wherein the spindle body has a diameter of 500mm-550mm.

5. The utility model provides a supporting circular arc supporting seat, its characterized in that includes base and backup pad, and interior arc backup pad sets up the top at the base, the base is box seam spare, and both sides are equipped with deep floor, base and upset basis fixed connection.

6. The mating arc support of claim 5 wherein the support plate is a 180 ° semicircle.

7. The mating circular arc support base according to claim 5, wherein the surface of the support plate is lined with an aluminum plate of not less than 3 mm.