CN116551363A - Universal line BD1 mill housing bottom plate fixing and aligning device and mounting method - Google Patents

Abstract

The invention discloses a universal wire BD1 mill housing bottom plate fixing and aligning device, which comprises two U-shaped grooves and a fixed beam, wherein the two U-shaped grooves are symmetrically arranged on the two bottom plates, each U-shaped groove is arranged below the bottom plate and semi-surrounds the bottom plate, and the U-shaped grooves are fixedly connected with the bottom plate through a first adjusting piece; the fixed beam comprises a cross beam and two vertical beams, the two vertical beams are perpendicular to the cross beam and symmetrically arranged below the cross beam, the cross beam is fixedly connected with the U-shaped groove, and one end, far away from the cross beam, of each vertical beam is fixed with the rolling mill foundation through a second adjusting piece. The invention also provides an installation method of the universal line BD1 mill housing bottom plate fixing and aligning device. The device can accurately position two bottom plates, so that the bottom plates and the alignment device form a firm whole with the rolling mill foundation, and the purpose of rapid and accurate positioning without shifting the bottom plates is achieved.

Description

Universal line BD1 mill housing bottom plate fixing and aligning device and mounting method

Technical Field

The invention relates to the technical field of installation and detection of rolling mill equipment, in particular to a universal line BD1 rolling mill housing bottom plate fixing and aligning device and an installation method.

Background

The BD1 mill housing consists of an operation side frame, a transmission side frame, a lower cross beam, a bottom plate and the like. The mill housing is mounted above the bottom plate, so that the accuracy of the mounting of the bottom plate is directly related to the overall accuracy of the mill housing. The torii bottom plate is only four M42 bolts to position when designing, and the length, width and height dimensions of the bottom plate are 5250 x 565 x 200mm, and because the bottom plate is overlong and long-shaped, the middle part is easy to bend after the bolts at two ends are fastened. And when the housing is installed and hoisted to fall back to the bottom plate, the gap between the housing and the inner side of the bottom plate is only 0.5mm, so that the bottom plate is easy to squeeze and collide to cause displacement, the bottom plate installation precision error is caused, and the bottom plate is aligned and reworked.

Therefore, there is a need in the art for an improved alignment of the universal line BD1 mill housing floor.

Disclosure of Invention

In view of the above, the purpose of the embodiment of the invention is to provide a universal line BD1 mill housing bottom plate fixing and aligning device and an installation method, by the device, the positions of two bottom plates can be accurately positioned, so that the bottom plates and the aligning device form a firm whole with a mill foundation, and the purposes of no displacement of the bottom plates and rapid and accurate positioning are achieved.

Based on the above-mentioned object, an aspect of the present invention provides a universal line BD1 mill housing bottom plate fixing and aligning device, where two bottom plates are relatively and alternately arranged on a mill foundation, and a mill foundation plane between the two bottom plates is lower than a plane where the bottom plates are located to form a fixing and aligning device installation area, where the fixing and aligning device includes:

the two U-shaped grooves are symmetrically arranged on the two bottom plates, each U-shaped groove is arranged below the bottom plate and partly surrounds the bottom plate, and the U-shaped grooves are fixedly connected with the bottom plate through a first adjusting piece;

the fixed beam comprises a cross beam and two vertical beams, the two vertical beams are perpendicular to the cross beam and symmetrically arranged below the cross beam, the cross beam is fixedly connected with the U-shaped groove, and one end, far away from the cross beam, of each vertical beam is fixed with the rolling mill foundation through a second adjusting piece.

In some embodiments, four sets of fixed alignment devices are disposed between two base plates, and each set of fixed alignment devices is disposed at equal intervals along the length direction of the base plate.

In some embodiments, a floor shim plate is disposed between the floor and the mill foundation.

In some embodiments, each bedplate is secured to the bedplate backing plate by a set screw, and a mill stand fastener is fixedly attached to the center of each bedplate.

In some embodiments, the first adjustment member is a bolt fastener, the sides of the U-shaped groove and the bottom plate are provided with first mounting holes, and when the bottom plate is placed in the U-shaped groove, the first mounting holes on the U-shaped groove and the bottom plate are coaxial, and the bolt fastener passes through the first mounting holes to fix and adjust.

In some embodiments, the second adjustment member is a bolt fastener, and the vertical beam is provided with a second mounting hole site through which the bolt fastener passes to be fixed on the mill foundation.

In some embodiments, an adjustment shim is disposed between the second adjustment member and the mill base.

In some embodiments, the mill foundation is a concrete foundation.

In some embodiments, the cross beams are connected to the vertical beams and the U-shaped grooves by welding.

The invention also provides an installation method of the universal line BD1 mill housing bottom plate fixing and aligning device, which comprises the following steps:

s1, arranging a bottom plate backing plate on the basis of a rolling mill, placing the bottom plate on the bottom plate backing plate, and preliminarily positioning the positions of the two bottom plates;

s2, the U-shaped grooves enter from the lower part of the bottom plate to be semi-enclosed and installed on the bottom plate, the U-shaped grooves are symmetrically installed on the two bottom plates, and after the distance is adjusted, the U-shaped grooves are fixedly connected with the bottom plate through a first adjusting piece;

s3, connecting a fixed beam between the two U-shaped grooves, fixedly connecting a cross beam with the U-shaped grooves, and fixedly connecting each vertical beam with a rolling mill foundation through a second adjusting piece;

s4, adjusting the first adjusting piece and the second adjusting piece to accurately position the center position of the bottom plate and firmly fix the bottom plate.

The invention has at least the following beneficial technical effects:

the invention provides the universal line BD1 mill housing bottom plate fixing and aligning device and the installation method, which greatly improve the efficiency of the mill housing bottom plate fixing and installation, reduce the safety risk, realize the accurate positioning of the bottom plate, reduce the installation error, and reduce the influence of long construction time on production. The advantages are as follows:

(1) The method is novel: in the construction industry of the installation of the bottom plate of the mill housing, a fixed alignment device adopted for the bottom plate of the mill housing is a first example, and no description of the construction device or a similar method is found in domestic retrieval data.

(2) Construction efficiency: by adopting the new method, the construction period is three shifts earlier than the traditional construction period.

(3) The safety is high: the bottom plate is positioned on the concrete foundation of the rolling mill through the device, the problem that the bottom plate is shifted and deviated due to the falling of the housing frame is solved, the housing frame of the rolling mill is heavy 62t, the gap between the housing and the bottom plate is only 0.5mm, the traditional method is to fix the bottom plate by four positioning bolts, the bottom plate is easy to deviate when the bottom plate falls back, the problem of the housing Yi Kadu when the bottom plate is shifted and falls back is solved, and the safety is not easy to control.

(4) Reliability: the universal line BD1 mill housing bottom plate fixing and aligning device and the mounting method can avoid the problems that the housing frame is difficult to manage and control, the bottom plate is difficult to fix, easy to deviate, long in bottom plate positioning time and difficult to accurately position due to falling of housing frame mounting. And secondly, the device and the method are faster than the traditional installation method by 3 shifts, and are safe and easy to control. And after the bottom plate is deviated, the alignment is difficult, and more manpower and material resources are input.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a universal line BD1 mill housing floor fixing and aligning device provided by the invention;

fig. 2 is a schematic view of an embodiment of the fixed alignment device provided by the invention mounted on a mill housing floor.

Reference numerals illustrate:

1. a bottom plate; 10. a bottom plate backing plate; 2. a rolling mill foundation; 3. a U-shaped groove; 30. a first adjuster 31, a frame fastener; 32. positioning bolts; 4. a fixed beam; 40. a cross beam; 41. a vertical beam; 42. and a second adjusting member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention will be described in further detail with reference to the accompanying drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present invention, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positions shown in the drawings, are merely for convenience of description, and are not to be construed as limiting the present invention.

The terms "comprising" and "having" and any variations thereof in the description of the invention and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the invention and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

As shown in fig. 1, which is a schematic diagram of an embodiment of a universal line BD1 mill housing bottom plate fixing and aligning device provided by the invention, as shown in fig. 2, which is a top view of an embodiment of a fixing and aligning device installed on a mill housing bottom plate, a group of fixing and aligning devices are shown in a dotted line frame, two sides are bottom plates of a mill housing, the length, width and height dimensions of the bottom plates are 5250 x 565 x 200mm, and the bottom plates are overlong, so that the traditional fixing mode is easy to cause a phenomenon of bending in the middle part, and when the housing is installed and hoisted back to the bottom plates, the gap between the housing and the inner side of the bottom plates is only 0.5mm, the bottom plates are easy to squeeze and collide to cause displacement, the bottom plate installation precision error is caused, the bottom plate alignment reworking is easy to solve the problems.

Therefore, the invention provides a universal line BD1 mill housing bottom plate fixing and aligning device, as shown in fig. 2, two bottom plates are oppositely arranged on a mill foundation at intervals, and the mill foundation plane between the two bottom plates is lower than the plane of the bottom plates to form a fixing and aligning device installation area, and the fixing and aligning device comprises two U-shaped grooves 3 and a fixing beam 4.

As shown in fig. 1, two U-shaped grooves 3 are symmetrically arranged on two bottom plates 1, each U-shaped groove 3 is arranged below the bottom plate 1 to partially surround the bottom plate 1, and the U-shaped grooves 3 are fixedly connected with the bottom plate 1 through a first adjusting member 30;

the fixed beam 4 comprises a cross beam 40 and two vertical beams 41, wherein the two vertical beams 41 are perpendicular to the cross beam 40 and symmetrically arranged below the cross beam 40, the cross beam 40 is fixedly connected with the U-shaped groove 3, and one end, far away from the cross beam 40, of each vertical beam 41 is fixed with the rolling mill foundation 2 through a second adjusting piece 42.

Further, a plurality of sets of fixed alignment devices may be disposed between the two base plates 1, in some preferred embodiments, four sets of fixed alignment devices are disposed between each set of fixed alignment devices at equal intervals along the length direction of the base plate 1, so as to maintain the fixed positions of the base plates at each section, and prevent the problem of displacement of the base plates at the intermediate positions.

Further, a floor mat 10 is provided between the floor 1 and the mill foundation 2, which may be used to adjust the floor height and provide cushioning.

Further, each bottom plate 1 is fixed on the bottom plate backing plate 10 through a positioning bolt 32, the center of each bottom plate 1 is fixedly connected with a rolling mill frame fastener 31, the bottom plates are initially positioned and fixed through the positioning bolts, and after the rolling mill housing is installed on the bottom plates, the bottom plates are fixed through the rolling mill frame fasteners.

Further, the first adjusting member 30 is a bolt fastener, the side surfaces of the U-shaped groove 3 and the bottom plate 1 are provided with first mounting holes, when the bottom plate 1 is placed in the U-shaped groove 3, the first mounting holes on the U-shaped groove 3 and the bottom plate 1 are coaxial, the bolt fastener penetrates through the first mounting holes to be fixedly adjusted, and the position of the bottom plate in the U-shaped groove can be finely adjusted by adjusting the tightness of the bolt fastener so as to accurately position the bottom plate.

Further, the second adjusting member 42 is a bolt fastener, the vertical beam 41 is provided with a second installation hole site, the bolt fastener passes through the second installation hole site to be fixed on the rolling mill foundation 2, the connection between the vertical beam 41 and the rolling mill foundation 2 can further fix the installation of the bottom plate 1, the bottom plate 1 is prevented from moving, and the fixed beam 4, the bottom plate 1 and the rolling mill foundation 2 form a firm whole.

Further, an adjusting shim (not shown) is provided between the second adjusting member 42 and the mill foundation 2.

Further, the mill foundation is a concrete foundation.

Further, the cross beams 40 are connected with the vertical beams 41 and the U-shaped groove 3 in a welding mode, wherein the cross beams 40 and the vertical beams 41 can be manufactured into the fixed beams 4 in a molten steel pouring integrated mode on the premise that the size of an installation area is measured in advance.

The invention also provides an installation method of the universal line BD1 mill housing bottom plate fixing and aligning device, and the early preparation work comprises the following steps: manufacturing 8U-shaped grooves, and dividing the U-shaped grooves into four groups for installation, wherein M24 internal threaded holes are formed in two side plates of each U-shaped groove; manufacturing a groove beam and a vertical beam, wherein 2M 24 internal threaded holes are respectively formed in the vertical beams at two sides; the channel beam and the vertical beam are assembled to form a whole. The installation method comprises the following steps:

s1, arranging a bottom plate backing plate on the basis of a rolling mill, placing the bottom plate on the bottom plate backing plate, and preliminarily positioning the positions of the two bottom plates;

s2, the U-shaped grooves enter from the lower part of the bottom plate to be semi-enclosed and installed on the bottom plate, the U-shaped grooves are symmetrically installed on the two bottom plates, and after the distance is adjusted, the U-shaped grooves are fixedly connected with the bottom plate through a first adjusting piece;

s3, connecting a fixed beam between the two U-shaped grooves, fixedly connecting a cross beam with the U-shaped grooves, and fixedly connecting each vertical beam with a rolling mill foundation through a second adjusting piece;

s4, adjusting the first adjusting piece and the second adjusting piece to accurately position the center position of the bottom plate and firmly fix the bottom plate.

The device and the method solve the problems of inaccurate installation and positioning of the bottom plate of the mill housing, long alignment period and difficult alignment of deformation of the bottom plate, solve the problems of easy deviation of the bottom plate and easy reworking when the mill housing falls back, save manpower and material resources, advance the construction period, increase the production yield and be widely popularized.

The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.

It should be understood that as used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

The foregoing embodiment of the present invention has been disclosed with reference to the number of embodiments for the purpose of description only, and does not represent the advantages or disadvantages of the embodiments.

Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the invention, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the invention, and many other variations of the different aspects of the embodiments of the invention as described above exist, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the embodiments should be included in the protection scope of the embodiments of the present invention.

Claims (10)

1. The utility model provides a fixed alignment device of universal line BD1 rolling mill housing bottom plate, its characterized in that, two bottom plates set up on rolling mill basis with relative interval, rolling mill basic plane between two bottom plates is less than the plane at bottom plate place is in order to form fixed alignment device installation region, fixed alignment device includes:

the two U-shaped grooves are symmetrically arranged on the two bottom plates, each U-shaped groove is arranged below the bottom plate and semi-surrounds the bottom plate, and the U-shaped grooves are fixedly connected with the bottom plate through a first adjusting piece;

the fixed beam comprises a cross beam and two vertical beams, the two vertical beams are perpendicular to the cross beam and symmetrically arranged below the cross beam, the cross beam is fixedly connected with the U-shaped groove, and one end, away from the cross beam, of each vertical beam is fixed with the rolling mill foundation through a second adjusting piece.

2. The universal line BD1 mill housing bottom plate fixing and aligning device according to claim 1, wherein four groups of fixing and aligning devices are arranged between the two bottom plates, and each group of fixing and aligning devices are arranged at equal intervals along the length direction of the bottom plate.

3. The universal line BD1 mill housing floor fixing alignment device of claim 1, wherein a floor mat is disposed between the floor and the mill foundation.

4. A universal line BD1 mill housing floor fixture alignment assembly as set forth in claim 3 wherein each said floor is secured to said floor by a set screw, each said floor being fixedly connected at its center to a mill housing fastener.

5. The universal line BD1 mill housing floor fixing and aligning device of claim 1, wherein the first adjusting member is a bolt fastener, a first mounting hole is provided on the sides of the U-shaped groove and the floor, when the floor is placed in the U-shaped groove, the U-shaped groove is coaxial with the first mounting hole on the floor, and the bolt fastener passes through the first mounting hole to fix and adjust.

6. The universal line BD1 mill housing floor fixing alignment device of claim 1, wherein the second adjusting member is a bolt fastener, a second mounting hole is provided on the vertical beam, and the bolt fastener passes through the second mounting hole to be fixed on the mill foundation.

7. The universal line BD1 mill housing floor fixed alignment device of claim 1, wherein an adjustment shim is disposed between the second adjustment member and the mill foundation.

8. The universal line BD1 mill housing floor fixed alignment device of claim 1, wherein the mill foundation is a concrete foundation.

9. The universal line BD1 mill housing floor fixing alignment device of claim 1, wherein the cross beam is connected with the vertical beam and the U-shaped groove by welding.

10. The installation method of the universal line BD1 mill housing bottom plate fixing and aligning device is characterized by comprising the following steps of:

s1, arranging a bottom plate backing plate on the basis of a rolling mill, placing the bottom plate on the bottom plate backing plate and preliminarily positioning the positions of the two bottom plates;

s2, enabling the U-shaped grooves to enter from below the bottom plates and be installed on the bottom plates in a semi-surrounding mode, symmetrically installing the U-shaped grooves on the two bottom plates, and fixedly connecting the U-shaped grooves with the bottom plates through a first adjusting piece after adjusting the distance;

s3, connecting a fixed beam between the two U-shaped grooves, fixedly connecting a cross beam with the U-shaped grooves, and fixedly connecting each vertical beam with a rolling mill foundation through a second adjusting piece;

s4, adjusting the first adjusting piece and the second adjusting piece to accurately position the center of the bottom plate and firmly fix the bottom plate.