Positioning tool for translating and reassembling converter body

Abstract

The utility model relates to a positioning tool for translating and reassembling a converter body, which comprises two positioning structures, the two positioning structures are respectively arranged at trunnion bearings on two sides of the converter body to be replaced, and each positioning structure comprises two positioning piles and an arc-shaped plate connected between the two positioning piles; the two positioning piles are both fixedly arranged on the furnace front platform and located on the two sides of the trunnion bearing correspondingly, one side of each positioning pile is tightly attached to a journal of the trunnion bearing, the other side of each positioning pile is tightly attached to a shaft shoulder of the trunnion bearing, and the radian of the upper surface of the arc-shaped plate is matched with the radian of the journal of the trunnion bearing. And the journal of the trunnion bearing is arranged on the arc-shaped plate and clings to the upper surface of the arc-shaped plate. By adopting the positioning tool, the new and old converters can be accurately positioned when being dismounted and reassembled, and the converter body can be quickly translated and reassembled in place; therefore, the process time for adjusting the relative position of the furnace body and the backing ring is greatly shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to a positioning tool for the horizontal movement and reinstallation of a converter furnace body. Background Art

[0002] During the major overhaul and renovation of the converter body, considering the weight of the furnace body itself, the positioning dimensions of the ear shaft bearing of the support ring are not convenient to adjust after it is reinstalled in place. Due to the difficulties in lifting, long maintenance time and high manpower consumption, the key quality control point for the removal and reinstallation of the furnace body (together with the support ring) is that the position of the furnace body and support ring of the newly replaced converter when they are lifted to the furnace front platform must be consistent with the position of the furnace body and support ring of the old converter to be replaced after they are translated to the furnace front platform; therefore, how to make the positioning dimensions of the furnace body and support ring of the newly replaced converter consistent with the positioning dimensions of the furnace body and support ring of the old converter to be replaced has become a problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0003] In view of the above-mentioned problems, the utility model discloses a positioning tool for the translation and reinstallation of a converter furnace body.

[0004] A positioning tool for the translation and reinstallation of a converter body, which is used to locate the position of the converter body to be replaced after the converter body to be replaced is translated to the platform in front of the furnace; characterized in that the positioning tool comprises two positioning structures, which are respectively arranged at the ear shaft bearings on both sides of the converter body to be replaced, and each of the positioning structures comprises two positioning piles and an arc plate connected between the two positioning piles;

[0005] The two positioning piles are fixedly arranged on the platform in front of the furnace, and the two positioning piles are respectively located on both sides of the ear shaft bearing, and one side of the positioning pile is arranged close to the shaft neck of the ear shaft bearing, and the other side of the positioning pile is arranged close to the shaft shoulder of the ear shaft bearing, the curvature of the upper surface of the arc plate is matched with the curvature of the shaft neck of the ear shaft bearing, and the shaft neck of the ear shaft bearing is arranged on the arc plate and close to the upper surface of the arc plate.

[0006] In some of the embodiments, the cross-section of the positioning pile is L-shaped, and the positioning pile includes a first long plate and a second long plate vertically connected to the first long plate, the outer side of the first long plate is set close to the shoulder of the ear shaft bearing, and the outer side of the second long plate is set close to the neck of the ear shaft bearing.

[0007] In some of the embodiments, the positioning piles are angle steels.

[0008] In some of the embodiments, the side width of the angle steel is 100-150 mm.

[0009] In some embodiments, the arc-shaped plate is a steel plate, and two sides of the arc-shaped plate are respectively welded to the two positioning piles.

[0010] In some of the embodiments, a diagonal brace is connected between the middle portion of each positioning pile and the furnace front platform.

[0011] In some embodiments, a base is provided at the bottom end of the positioning pile, and the base is welded and fixed on the platform in front of the furnace.

[0012] In some embodiments, the length of the positioning pile is 1400-1600 mm.

[0013] Compared with the prior art, the above utility model has at least one of the following advantages or beneficial effects:

[0014] 1. The positioning tool of the utility model is used to facilitate accurate positioning when dismantling and reinstalling the new and old converters, and can quickly realize the horizontal reinstallation of the converter body; thereby greatly reducing the process time when adjusting the relative position of the furnace body and the support ring, and improving work efficiency;

[0015] 2. The positioning tooling of the utility model is adopted to reduce the safety risk of hoisting and improve the construction efficiency of reinstalling the converter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention and its features, appearance and advantages will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts in all the drawings. The drawings are not drawn to scale, and the emphasis is on illustrating the subject matter of the present invention.

[0017] Figure 1 This is a front view of the application of the positioning tool used for the translation and reinstallation of the converter body in the embodiment of the utility model;

[0018] Figure 2 for Figure 1 Schematic diagram of the relationship between the center positioning fixture and the trunnion and bearing in the A direction;

[0019] Figure 3 It is a top view of the application of the positioning tool used for the translation and reinstallation of the converter body in the embodiment of the utility model;

[0020] Among them, 1 is the platform in front of the furnace; 2 is the support; 3 is the old converter body; 4 is the old support ring; 5 is the ear shaft; 6 is the ear shaft bearing; 7 is the positioning structure; 71 is the positioning pile; 72 is the arc plate; 73 is the diagonal brace; 74 is the base. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0022] Reference Figures 1 to 3 As shown, this embodiment discloses a positioning tool for the translation and reinstallation of a converter body, which is used to locate the position of the old converter body 3 after the old converter body 3 (i.e., the converter body to be replaced) is translated to the furnace front platform 1 (specifically, the furnace front steel platform); specifically, the positioning tool includes two positioning structures 7, and the two positioning structures 7 are respectively arranged at the ear shaft bearings 6 on both sides of the converter body 3 to be replaced (i.e., the ear shaft bearings 6 on both sides of the converter body 3 to be replaced are each provided with a positioning structure 7), and each positioning structure 7 includes two positioning piles 71 and an arc-shaped support connected between the two positioning piles 71. Plate 72; two positioning piles 71 are fixedly set on the front platform 1, and the two positioning piles 71 are respectively located on both sides of the ear shaft bearing 6, and one side of the positioning pile 71 is set close to the shaft neck of the ear shaft bearing 6, and the other side of the positioning pile 71 is set close to the shaft shoulder of the ear shaft bearing 6. The curvature of the upper surface of the arc plate 72 is matched with the curvature of the shaft neck of the ear shaft bearing 6, and the shaft neck of the ear shaft bearing 6 is set on the arc plate 72 and is set close to the upper surface of the arc plate 72; the two positioning piles 71 are used to locate the longitudinal and transverse center lines of the old converter body 3, and the arc plate 72 is used to locate the elevation of the old converter body 3. After the old converter body 3 is dragged out, the positioning structure 7 is arranged on the furnace front platform 1 to locate the positions of the ear shaft bearings 6 of the old support rings 4 on both sides of the old converter body 3, and then the old converter body 3 is removed together with the old support rings 4 (that is, the old support rings 4 are removed together with the old converter body 3), and then when the new converter body is reinstalled, the positions of the ear shaft bearings of the new support rings on both sides of the new converter body are automatically located according to the positioning structure 7, so that the positions of the ear shaft bearings of the new support rings on both sides of the new converter body are the same as the positions of the ear shaft bearings 6 of the old support rings 4 on both sides of the old converter body 3. In addition, in order to ensure accurate positioning, the positioning tooling shall not be removed before the new support rings are in place; after the new support rings are placed on the support 2, the elevation should be the same as that of the old support rings 4.

[0023] In an embodiment of the utility model, the cross-section of the above-mentioned positioning pile 71 is L-shaped, and the positioning pile 71 includes a first long plate and a second long plate vertically connected to the first long plate, the outer side of the first long plate is arranged close to the shoulder of the ear shaft bearing 6 of the old support ring 4, and the outer side of the second long plate is arranged close to the journal of the ear shaft bearing 6 of the old support ring 4; that is, the positioning pile 71 is just arranged at the right angle corner formed by the journal of the ear shaft bearing 6 of the old support ring 4 and the shoulder of the ear shaft bearing 6 of the old support ring 4. Specifically, the above-mentioned positioning pile 71 is an angle steel with an edge width of 100 to 150 mm; the length of the positioning pile 71 is 1400 to 1600 mm; for example, the positioning pile 71 can be an angle steel with an edge width of 100 mm and a length of 1500 mm.

[0024] Specifically, the above-mentioned two positioning piles 71 can be welded and fixed on the furnace front platform 1 through the base 74 (the bottom end of the positioning pile 71 is provided with a base 74, and the base 74 is welded and fixed on the furnace front platform 1), so that the positioning pile 71 can be more stably fixed on the furnace front platform 1. In addition, a diagonal brace 73 is connected between the middle part of each positioning pile 71 and the furnace front platform 1 to further improve the stability of the positioning pile 71. In addition, in other embodiments of the present invention, the positioning pile 71 can also be directly welded and fixed on the furnace front platform 1, which does not affect the purpose of the present invention.

[0025] In a specific embodiment of the present invention, the arc plate 72 is a steel plate, and two sides of the arc plate 72 are respectively welded to two positioning piles 71 .

[0026] Specifically, after the old converter body 3 is dismantled and lifted and moved to the platform 1 in front of the furnace, the positioning fixture 7 is fixed at the shoulder position of the ear shaft bearing 6 of the old support ring 4 on both sides of the old converter body 3. After the new converter body is in place, the position and size of the new body 3 on the lifting bracket are determined according to the position of the positioning fixture 7, thereby improving the working efficiency and accuracy during the reinstallation and translation process of the new converter body.

[0027] Those skilled in the art should understand that those skilled in the art can implement variations by combining the prior art and the above embodiments, which will not be described in detail here. Such variations do not affect the essential content of the present utility model, and will not be described in detail here.

[0028] The above describes the preferred embodiments of the utility model. It should be understood that the utility model is not limited to the above-mentioned specific implementation methods, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solutions of the utility model without departing from the scope of the technical solution of the utility model, or modify them into equivalent embodiments of equivalent changes, which does not affect the essential content of the utility model. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of protection of the technical solution of the utility model.

Claims

1. A positioning tool for the horizontal movement and reinstallation of a converter body, which is used to locate the position of the converter body to be replaced after the converter body to be replaced is horizontally moved to the platform in front of the furnace; it is characterized by: The positioning fixture includes two positioning structures, which are respectively arranged at the trunnion bearings on both sides of the converter body to be replaced, and each of the positioning structures includes two positioning piles and an arc plate connected between the two positioning piles; The two positioning piles are fixedly arranged on the platform in front of the furnace, and the two positioning piles are respectively located on both sides of the ear shaft bearing, and one side of the positioning pile is arranged close to the shaft neck of the ear shaft bearing, and the other side of the positioning pile is arranged close to the shaft shoulder of the ear shaft bearing, the curvature of the upper surface of the arc plate is matched with the curvature of the shaft neck of the ear shaft bearing, and the shaft neck of the ear shaft bearing is arranged on the arc plate and close to the upper surface of the arc plate.

2. The positioning tool for the translation and reinstallation of the converter body according to claim 1, characterized in that: The cross section of the positioning pile is L-shaped, and the positioning pile includes a first long plate and a second long plate vertically connected to the first long plate, the outer side of the first long plate is set close to the shoulder of the ear shaft bearing, and the outer side of the second long plate is set close to the journal of the ear shaft bearing.

3. The positioning tool for the horizontal movement and reinstallation of the converter body according to claim 2, characterized in that: The positioning piles are angle steels.

4. The positioning tool for the horizontal reinstallation of the converter body according to claim 3, characterized in that: The side width of the angle steel is 100-150 mm.

5. The positioning tool for the translation and reinstallation of the converter body according to claim 1, characterized in that: The arc-shaped plate is a steel plate, and two sides of the arc-shaped plate are respectively welded to the two positioning piles.

6. The positioning tool for the translation and reinstallation of the converter body according to claim 1, characterized in that: An oblique brace is also connected between the middle part of each positioning pile and the furnace front platform.

7. The positioning tool for the translation and reinstallation of the converter body according to claim 1, characterized in that: A base is provided at the bottom end of the positioning pile, and the base is welded and fixed on the platform in front of the furnace.

8. The positioning tool for the horizontal reinstallation of the converter body according to claim 1, characterized in that: The length of the positioning pile is 1400-1600 mm.

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