CN220426312U - Novel connection structure for assembling working roller bearing box - Google Patents
Novel connection structure for assembling working roller bearing box Download PDFInfo
- Publication number
- CN220426312U CN220426312U CN202320881132.4U CN202320881132U CN220426312U CN 220426312 U CN220426312 U CN 220426312U CN 202320881132 U CN202320881132 U CN 202320881132U CN 220426312 U CN220426312 U CN 220426312U
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- China
- Prior art keywords
- bearing box
- working roller
- hole
- connecting shaft
- holes
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model belongs to the field of bearing boxes, and particularly relates to a novel connecting structure for assembling a working roller bearing box, which can improve the connection strength and connection toughness of a towing hook for assembling the bearing box and the bearing box. The technical proposal comprises: bearing box, connecting axle and drag lifting hook. One end of the bearing box is connected with the working roller, at least two through holes are formed in the box wall of the bearing box, the center lines of the at least two through holes are axially arranged along the working roller, the two through holes are distributed on two sides of the working roller, and counter bores are formed in one end, close to the working roller, of each through hole. One end of the connecting shaft is a lug matched with the counter bore, the other end of the connecting shaft is a threaded rod, one connecting shaft is arranged in each through hole, and the lug is arranged in the counter bore. The drag hook comprises a cross rod and connecting rods fixed at two ends of the cross rod, at least one connecting hole is formed in each connecting rod, each connecting hole penetrates through one connecting shaft, and the other ends of the connecting shafts are fastened through nuts.
Description
Technical Field
The utility model belongs to the field of bearing boxes, and particularly relates to a novel connecting structure for assembling a working roller bearing box.
Background
At present, a roll changing trolley is adopted to draw a drawing hook assembled on a working roll bearing box, and the daily number of the drawing hooks is about 10. Because the connection between the towing hook assembled by the working roll bearing box and the box body is fastened by a hexagon head bolt, the bolt frequently bears large shearing force, and the towing and the impact cause the fastening bolt and the box body to have screw thread defect. With the increase of the service life of the site, the defect bolts and the box screw threads are damaged, the number of parts is increased, the rolling line guide rail is worn, and the like, so that the dragging hooks are directly dragged down by the dragging bearing box assembly operation in the roll changing process, the roll can not be changed, and the rolling line of the hot rolling system is stopped for a long time.
Disclosure of Invention
In order to overcome the defects in the related art, the utility model provides a novel connecting structure for assembling a working roller bearing box, which can improve the connection strength and connection toughness of a drag hook for assembling the bearing box and the bearing box.
In order to achieve the technical purpose, the utility model provides a novel connecting structure for assembling a working roller bearing box. The utility model provides a novel connection structure of work roll bearing box assembly, include: bearing box, connecting axle and drag lifting hook. One end of the bearing box is connected with the working roller, at least two through holes are formed in the box wall of the bearing box, the center lines of the at least two through holes are axially arranged along the working roller, the two through holes are distributed on two sides of the working roller, and counter bores are formed in one end, close to the working roller, of each through hole. One end of the connecting shaft is a lug matched with the counter bore, the other end of the connecting shaft is a threaded rod, one connecting shaft is arranged in each through hole, and the lug is arranged in the counter bore. The drag hook comprises a cross rod and connecting rods fixed at two ends of the cross rod, at least one connecting hole is formed in each connecting rod, each connecting hole penetrates through one connecting shaft, and the other ends of the connecting shafts are fastened through nuts.
The connecting shaft comprises 45# steel.
The connecting rods at two ends of the cross rod are distributed at two sides of the working roller.
The utility model has the beneficial effects that:
the bearing box is characterized in that the bearing box is provided with a threaded hole, the threaded hole is formed in the threaded hole, and the threaded hole is provided with a threaded hole.
And the through hole is provided with a counter bore, and the counter bore is matched with the bulge of the connecting shaft, so that larger dragging force can be born, and the possibility of damage to the bearing box is low.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a side elevational view of the present utility model;
FIG. 2 is a block diagram of another side of the present utility model;
fig. 3 is a cross-sectional view of a through hole of a bearing housing of the present utility model.
Detailed Description
In order to make the above objects, features and advantages of the present utility model more comprehensible, the following description of the embodiments accompanied with the accompanying drawings will be given in detail. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The utility model provides a novel connecting structure for assembling a working roller bearing box. The utility model provides a novel connection structure of work roll bearing box assembly, include: bearing housing 1, connecting axle 2 and drag lifting hook 3. One end of the bearing box 1 is connected with a working roller, at least two through holes 11 are formed in the wall of the bearing box 1, the center lines of the at least two through holes 11 are arranged along the axial direction of the working roller, the two through holes 11 are distributed on two sides of the working roller, and one end, close to the working roller, of each through hole 11 is a counter bore 12. One end of the connecting shaft 2 is a protruding block which is matched with the counter bore 12, the other end of the connecting shaft is a threaded rod, one connecting shaft 2 is arranged in each through hole 11, and the protruding block is arranged in the counter bore 12. The drag hook 3 comprises a cross rod and connecting rods fixed at two ends of the cross rod, at least one connecting hole is formed in each connecting rod, each connecting hole penetrates through one connecting shaft 2, and the other end of each connecting shaft 2 is fastened through a nut.
Illustratively, the bearing housing 1 may be provided with two through holes 11, the two through holes 11 being distributed on both sides of the work roll in order to facilitate the stability of the bearing housing 1 during towing. The end of the through hole 11, which is close to the working roller, is a counter bore 12, which can be a hexagon counter bore, and the counter bore is convenient for the bulge to fall into, so that one side of the bearing box, which is close to the working roller, keeps a plane, and the interference to the working roller can be avoided.
Accordingly, one end of the connection shaft 2 may be a hexagonal protrusion, i.e., a hexagonal metal block.
The connecting shaft 2 comprises 45# steel, and the connecting shaft 2 can be subjected to thermal refining so as to improve the comprehensive mechanical properties.
The connecting rods at two ends of the cross rod are distributed at two sides of the working roller.
When the utility model is used, a connecting shaft 2 is arranged in each through hole 11, and the convex blocks are clamped into the counter bores 12 at one end of the through holes 11. Each attachment hole of the drag hook 3 penetrates one of the attachment shafts 2, after which one or two nuts are provided at the end of the attachment shaft 2 remote from the work roll (threaded rod) for tightening. After the above-mentioned assembly is completed, the bearing housing 1 can be dragged by using the roll changing carriage.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (3)
1. Novel connection structure of work roll bearing box assembly, its characterized in that includes:
the device comprises a bearing box, a working roller and a rolling mill, wherein one end of the bearing box is connected with the working roller, at least two through holes are formed in the wall of the bearing box, the central lines of the at least two through holes are axially arranged along the working roller, the two through holes are distributed on two sides of the working roller, and counter bores are formed in one end, close to the working roller, of each through hole;
one end of the connecting shaft is a lug matched with the counter bore, the other end of the connecting shaft is a threaded rod, one connecting shaft is arranged in each through hole, and the lug is arranged in the counter bore;
the drag lifting hook comprises a cross rod and connecting rods fixed at two ends of the cross rod, at least one connecting hole is formed in each connecting rod, each connecting hole penetrates through one connecting shaft, and the other ends of the connecting shafts are fastened through nuts.
2. The connection structure of a new work roll bearing housing assembly as set forth in claim 1 wherein said connection shaft comprises 45# steel.
3. The connection structure of a novel work roll bearing housing assembly according to claim 1, wherein the connecting rods at both ends of the cross bar are distributed at both sides of the work roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881132.4U CN220426312U (en) | 2023-04-19 | 2023-04-19 | Novel connection structure for assembling working roller bearing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320881132.4U CN220426312U (en) | 2023-04-19 | 2023-04-19 | Novel connection structure for assembling working roller bearing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220426312U true CN220426312U (en) | 2024-02-02 |
Family
ID=89685561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320881132.4U Active CN220426312U (en) | 2023-04-19 | 2023-04-19 | Novel connection structure for assembling working roller bearing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220426312U (en) |
-
2023
- 2023-04-19 CN CN202320881132.4U patent/CN220426312U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |