CN217889078U

CN217889078U - Auxiliary device for replacing rough rolling guide of hot continuous rolling mill

Info

Publication number: CN217889078U
Application number: CN202221953648.7U
Authority: CN
Inventors: 丁帅; 刘勇; 金伟; 王勇
Original assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Current assignee: Pangang Group Xichang Steel and Vanadium Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-11-25
Anticipated expiration: 2032-07-27

Abstract

The utility model relates to the technical field of metallurgy, in particular to an auxiliary device for the rough rolling guide replacement of a hot continuous rolling mill, which comprises a supporting block and a limiting cushion block; one end of the supporting block is provided with a first hook; the first hook is connected with a power source; the limiting cushion block is connected with the bottom of the supporting block through the mounting surface; the limiting cushion block is provided with an inclined groove; the inclined groove is in sliding fit with a limiting lug on a roller track of the rolling mill. The utility model discloses auxiliary device passes through spacing cushion and spacing lug sliding fit, guarantees to lead the stability when defending the device and dismantling to change the removal, slides on the track of settlement through the supporting shoe simultaneously, has got rid of traditional will lead the defending device to hoist to shift and dismantle the problem that the danger degree is high, efficient, dismantles, the packaging efficiency is high, auxiliary device can bear and lead the defending device and derive smoothly or pack into from the backing roll window, reduces its operation degree of difficulty and repair time.

Description

Auxiliary device for replacing rough rolling guide of hot continuous rolling mill

Technical Field

The utility model relates to the technical field of metallurgy, specifically a be used for hot tandem mill rough rolling to lead auxiliary device of defending to change.

Background

The R2 roughing mill inlet and outlet guide device is a key device of the rolling mill, and the guide device is shown in figure 1 and has the main functions as follows: (1) the auxiliary middle blank is smoothly fed into and discharged from the rolling mill, and (2) the working roll and the supporting roll surface are cooled, and cooling water is prevented from falling onto the surface of the middle blank. The guide and guard equipment comprises auxiliary equipment such as a guide and guard oil cylinder, a working roll cooling water header device, a supporting roll cooling water header device, a high-pressure water header device and the like, and the total weight of the single-side guide and guard can reach 9240kg. The apparatus is mounted between the R2 roughing mill drive side and the operator side stands. According to the spatial position relationship of the guide and guard in the rolling mill, the guide and guard device can only be removed from or installed in the window of the supporting roll because the window size of the working roll of the rolling mill is 1320mm, the window size of the supporting roll is 1900mm, and the minimum size of the guide is 1768 mm.

The traditional guide and guard device is removed or installed: the chain block is fixed on both sides in the upper part of the frame, and is slowly removed from the interior of the rolling mill and introduced into the rolling mill step by using the chain block and an external crane. The operation and maintenance difficulty is high, the maintenance risk is high, the maintenance time needs about 48 hours, the time consumption is long, the suspension moving operation risk is high, and the calling height is influenced by peripheral higher components.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary device that is used for hot continuous rolling mill rough rolling to lead defends to change for solve above-mentioned technical problem.

The purpose of the utility model can be realized by the following technical proposal:

an auxiliary device for replacing a rough rolling guide of a hot continuous rolling mill comprises a supporting block and a limiting cushion block;

one end of the supporting block is provided with a first hook; the first hook is connected with a power source;

the limiting cushion block is connected with the bottom of the supporting block through the mounting surface.

Preferably, the limiting cushion block is provided with an inclined groove; the inclined groove is in sliding fit with a limiting lug on a roller track of the rolling mill.

Preferably, the support block is a hollow block.

Preferably, the upper surface and the lower surface of the supporting block are both provided with a supporting plate, and the supporting plates are vertically fixed with the supporting block;

and the surface area of the supporting plate is larger than that of the supporting block at the contact side of the supporting plate and the supporting block.

Preferably, the power source is a roll changing trolley, a second hook is arranged at one end of the roll changing trolley, and the first hook is hooked with the second hook.

Preferably, the first hook is arranged on the supporting block in a sliding mode, and the first hook and the second hook are fixed in a limiting mode through a limiting pin.

Preferably, the middle part of the inclined groove is communicated with a groove.

Preferably, the limiting cushion block and the supporting block are fixed through fixed welding or threaded connection.

Preferably, the second hook is a chain hook.

The utility model has the advantages that:

the utility model discloses auxiliary device passes through spacing cushion and spacing lug sliding fit, guarantees to lead the stability when defending the device and dismantling to change the removal, slides on the track of settlement through the supporting shoe simultaneously, has got rid of traditional will lead the defending device to hoist to shift and dismantle the problem that the danger degree is high, efficient, dismantles, the packaging efficiency is high, auxiliary device can bear and lead the defending device and derive smoothly or pack into from the backing roll window, reduces its operation degree of difficulty and repair time.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a guide device in the prior art;

FIG. 2 is a schematic view of the auxiliary device of the present invention;

FIG. 3 is a schematic view of the roller-changing cart of the present invention hooked with an auxiliary device;

FIG. 4 is a schematic view of the fiber mat structure of the present invention;

fig. 5 is a schematic view of the structure of the auxiliary device of the present invention cooperating with the limiting bump on the roller track of the rolling mill.

In the figure: 1. a support block; 2. a support plate; 3. a first hook; 4. a limiting bump; 5. a roll changing trolley; 6. a second hook; 7. limiting cushion blocks; 8. an inclined groove; 9. a groove; 10. a mounting surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As 2, as shown in fig. 3, the embodiment of the utility model provides an auxiliary device that is used for hot continuous rolling mill rough rolling to lead defends change is disclosed, including supporting shoe 1 and roll change dolly 5, for reducing the weight of supporting shoe 1, reduce the removal degree of difficulty, set up supporting shoe 1 into well cavity piece, reduce its weight, the one end of supporting shoe 1 is provided with first couple 3, the one end of roll change dolly 5 is provided with second couple 6, first couple 3 colludes with second couple 6 and links, supporting shoe 1 pushes up on the roll track of rolling mill, lead defend the device and dismantle the back, place it on supporting shoe 1, roll change dolly 5 colludes fixed drive supporting shoe 1 and the defend device on it and shifts out through first couple 3 and second couple 6, improve the change efficiency, reduce and demolish the difficulty, it is high to lead defend the device and has got rid of traditional unsettled removal danger degree, the slow problem of removal, reduce operation danger degree and maintenance time length.

In one embodiment, as shown in fig. 2 and 3, the upper and lower contact surfaces of the supporting block 1 (the upper contact surface on which the guide and guard device is placed and the lower contact surface that slides on the roll guide rail) have a risk of side turning due to a small area, and therefore, the supporting blocks 1 are respectively disposed on the upper and lower surfaces of the supporting block 1, that is, the supporting block 1 is fixed between the two supporting plates 2, the supporting plates 2 are vertically fixed to the supporting block 1, and the surface area of the supporting plate 2 is larger than that of the supporting block 1 on the contact side of the supporting plate 2 and the supporting block 1, so that the stability of the supporting block 1 during replacement and movement is improved by increasing the contact area, and the guide and guard device is convenient to transport by the roll changing cart 5.

One embodiment, as shown in fig. 4 and 5, in order to improve the stability of the guide and guard device on the supporting block 1 or the supporting plate 2, a limiting cushion block 7 is additionally provided, an inclined groove 8 is provided on the limiting cushion block 7, a groove 9 is provided in the middle of the inclined groove 8, a limiting bump 4 is additionally provided on the roller track of the rolling mill, the limiting bump 4 is in sliding fit with the inclined groove 8, the limiting cushion block 7 is fixedly connected with the supporting block 1 (fixed on the lower side of the supporting block 1) through a mounting surface 10, and can be welded and fixed, or bolted, it should be noted that the limiting cushion block 7 can also be fixedly connected with the supporting plate 2 through the mounting surface 10, when the guide and guard device is replaced, the supporting block 1 is matched with the inclined groove 8 through the limiting bump 4 to move on the roller track of the rolling mill, after the guide and guard device is detached and placed on the supporting block 1 or the supporting plate 2, the guide and guard device is driven to move along the direction of the limiting bump 4 through the roller changing trolley 5, when the guide and guard device is installed, after the new guide and guard device is placed on the supporting block 1 or the supporting plate 2, and the new guide and guard device is operated in the reverse direction.

One embodiment, for reducing first couple 3 and the 6 couple of second couple of the degree of difficulty of linking up, slide first couple 3 and set up on supporting shoe 1, when first couple 3 and second couple 6, through the position of removing first couple 3, the block of first couple 3 and second couple 6 of being convenient for, the rethread spacer pin inserts first couple 3 and second couple 6 and carries out spacing fixed, accomplishes to colluding and links.

It should be noted that the opening direction of the first hook 3 is not necessarily downward, when the first hook 3 is an upward-opening hook, the second hook 6 is a downward-opening hook, and when the first hook 3 is a downward-opening hook, the second hook 6 is an upward-opening hook. Therefore, the hooking direction of the second hook 6 is opposite to the hooking direction of the first hook 3, so that the first hook 3 and the second hook 6 can be stably hooked, and it should be noted that the second hook 6 can also be a chain-type hook.

The auxiliary device passes through

spacing cushion

7 and 4 sliding fit of spacing lug, guarantees to lead the stability when defending the device and dismantling change removal, slides on the track of settlement through supporting shoe 1 simultaneously, has got rid of traditional to lead the defending device to hoist to shift and dismantle the problem that the danger degree is high, efficient slow, dismantles, the packaging efficiency is high, the auxiliary device can bear and lead the defending device and derive smoothly from the backing roll window or pack into, reduces its operation degree of difficulty and maintenance time.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. An auxiliary device for replacing a rough rolling guide of a hot continuous rolling mill is characterized by comprising a supporting block (1) and a limiting cushion block (7);

one end of the supporting block (1) is provided with a first hook (3); the first hook (3) is connected with a power source;

the limiting cushion block (7) is connected with the bottom of the supporting block (1) through the mounting surface (10).

2. The auxiliary device for replacing the rough rolling guide of the hot continuous rolling mill according to claim 1, wherein the limit cushion block (7) is provided with an inclined groove (8); the inclined groove (8) is in sliding fit with a limiting lug (4) on a roller track of the rolling mill.

3. Auxiliary device for hot continuous rolling mill rough rolling guide replacement according to claim 1, characterized in that the support block (1) is a hollow block.

4. The auxiliary device for the rough rolling guide replacement of the hot continuous rolling mill is characterized in that the upper surface and the lower surface of the supporting block (1) are provided with supporting plates (2), and the supporting plates (2) are vertically fixed with the supporting block (1);

and on the contact side of the support plate (2) and the support block (1), the surface area of the support plate (2) is larger than that of the support block (1).

5. The auxiliary device for the rough rolling guide replacement of the hot continuous rolling mill is characterized in that the power source is a roll changing trolley (5), one end of the roll changing trolley (5) is provided with a second hook (6), and the first hook (3) is hooked with the second hook (6).

6. Auxiliary device for hot continuous rolling mill rough rolling guide replacement according to claim 5, characterized in that the first hook (3) is slidably arranged on the supporting block (1), and the first hook (3) and the second hook (6) are fixed in a limiting way by a limiting pin.

7. Auxiliary device for hot continuous rolling mill rough rolling guide replacement according to claim 2, characterized in that the middle of the inclined groove (8) is provided with a groove (9) in communication.

8. Auxiliary device for hot continuous rolling mill rough rolling guide replacement according to any one of claims 1-5, characterized in that the limiting cushion block (7) and the supporting block (1) are fixed by fixed welding or screw joint.

9. Auxiliary device for hot continuous mill roughing guide replacement according to claim 5 characterized in that said second hook (6) is a chain hook.