Universal shaft supporting device for rolling mill
By designing universal shaft support devices for guide rails and support components, the problem of low working efficiency in the prior art is solved, and the functions of universal shaft support without additional action and vertical removal are realized, thereby improving the removal and maintenance efficiency of the rolling mill .
Patent Information
- Application Number
- CN202411528445.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-01-03
AI Technical Summary
The existing universal shaft support device is inefficient in the rolling mill, requiring additional hydraulic cylinders to drive the universal shaft to support the universal shaft, and the universal shaft cannot be removed in the vertical direction, resulting in low disassembly and maintenance efficiency.
A universal shaft support device including a guide rail and a support assembly is designed. The guide rail moves up and down to support the roll bracket through the driving assembly, and the support plate supports the universal shaft through bolt connection, and the universal shaft is taken out in the vertical direction by adjusting the assembly, which simplifies the Disassembly and maintenance process.
It improves the support and disassembly efficiency of the universal shaft, reduces the additional operational needs, simplifies the replacement and maintenance process of the universal shaft, and improves the overall working efficiency.
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Figure CN119237476A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of steel rolling, and in particular relates to a universal shaft supporting device for a rolling mill. Background Art
[0002] The rollers will deform after being used for a period of time. The track on the rolling mill rises to support the roller bracket and moves the roller bracket along the axis of the roller. During this process, the universal shaft that drives the roller to rotate needs to be supported by a support device to prevent bumps and facilitate the installation of the roller. The current universal shaft support device has the following problems during use: first, after the track rises, an additional hydraulic cylinder needs to be driven to drive the support device to support the universal shaft, resulting in low work efficiency; second, the rollers and universal shafts are generally arranged up and down, and the existing supporting devices are mostly frame structures. The universal shaft cannot be removed in the vertical direction. The support device needs to be completely disassembled to remove the universal shaft, resulting in low work efficiency. Summary of the invention
[0003] In view of this, the present invention aims to provide a universal shaft support device for a rolling mill, in order to solve at least one of the above-mentioned technical problems.
[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:
[0005] A universal shaft support device for a rolling mill, comprising:
[0006] A guide rail, corresponding to which a driving assembly is provided for driving the guide rail to move up and down, wherein the guide rail is used to support a roll support of a rolling mill;
[0007] The support assembly comprises two vertical plates, each of which is provided with an inclined support plate, the support plates of the two vertical plates are used to support the universal shaft, and the vertical plates are connected to the guide rails by bolts.
[0008] Furthermore, the support assembly also includes a bottom plate, and two ends of the bottom plate are respectively connected to two guide rails;
[0009] The lower end of the vertical plate is hinged to the bottom plate;
[0010] The upper ends of the two vertical plates are connected through an adjustment component.
[0011] Furthermore, a hinge shaft is fixedly provided at the lower end of the vertical plate, a hinge seat is fixedly provided on the bottom plate, and the hinge shaft is installed on the inner side of the hinge hole of the hinge seat.
[0012] Furthermore, the adjustment component is a bolt, a through hole is opened on the upper end of the vertical plate, the bolt passes through the through holes of the two vertical plates, locking nuts are provided on both sides of the vertical plates away from the bolt head, the locking bolt is threadedly connected to the bolt, and the two locking nuts are respectively tightened against the two end surfaces of the vertical plate.
[0013] Furthermore, the adjustment assembly includes an adjustment tube and two hinged tubes, one of which is fixed with a left-handed threaded column, and the other is fixed with a right-handed threaded column, and one end of the adjustment tube is provided with a left-handed internal thread on the inside, and the other end is provided with a right-handed internal thread on the inside;
[0014] A mounting seat is fixedly arranged at the upper end of the vertical plate, and a mounting shaft is fixedly arranged on the mounting seat. The two mounting shafts are respectively installed on the inner sides of the hinged tubes of the two vertical plates, and the two ends of the adjusting tube are respectively threadedly connected with the right-handed threaded column and the left-handed threaded column.
[0015] Furthermore, a plug hole is provided on the side wall of the regulating tube.
[0016] Furthermore, a guide shaft is fixedly provided on the rolling mill frame, a guide hole matching the guide shaft is opened on the guide rail, and the guide shaft is located inside the guide hole.
[0017] Furthermore, the support plate includes an upper support plate and a lower support plate;
[0018] A mounting boss is provided on the end surface of the lower end of the vertical plate adjacent to another vertical plate, the upper end of the mounting boss is an inclined surface, the lower support plate is mounted on the inclined surface of the mounting boss by bolts, and the height of the mounting boss inclined surface away from one end of the vertical plate is lower than the height of the mounting boss inclined surface close to one end of the vertical plate;
[0019] The two lower support plates form a V-shaped structure to support the universal shaft below;
[0020] A mounting block is provided on the end surface of the vertical plate adjacent to another vertical plate, the height of the mounting block is higher than the height of the boss, the upper end of the mounting block is an inclined surface, the upper support plate is mounted on the inclined surface of the mounting block by bolts, and the height of the inclined surface of the mounting block away from one end of the vertical plate is lower than the height of the inclined surface of the mounting block close to one end of the vertical plate;
[0021] The two upper support plates form a V-shaped structure for supporting the universal shaft above.
[0022] Furthermore, the mounting block is connected to the vertical plate by bolts, a positioning groove corresponding to the mounting block is formed on the vertical plate, and the mounting block is installed on the inner side of the positioning groove.
[0023] Furthermore, the upper support plate and the lower support plate are both structural members made of copper.
[0024] Compared with the prior art, the universal shaft support device for a rolling mill described in the present invention has the following beneficial effects:
[0025] (1) In the universal shaft support device for a rolling mill described in the present invention, when the rolling roll is disassembled, the driving assembly drives the guide rail to move upward, the guide rail supports the rolling roll bracket, and the support plate supports the universal shaft. The supporting operation can be completed without additional actions, thereby improving work efficiency.
[0026] (2) The universal shaft support device for a rolling mill described in the present invention can tighten the upper ends of the two vertical plates by rotating the adjusting tube. When the universal shaft needs to be removed in the vertical direction, the two vertical plates can be rotated by loosening the adjusting tube to release the limit on the universal shaft, which facilitates the replacement and maintenance of the universal shaft and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:
[0028] Figure 1 It is a schematic diagram of the side structure of the device according to an embodiment of the present invention;
[0029] Figure 2 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at A in the middle;
[0030] Figure 3 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at B in the middle;
[0031] Figure 4 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at C in the middle;
[0032] Figure 5 For the embodiment of the present invention Figure 1 Schematic diagram of the structure at point D in the middle.
[0033] Description of reference numerals:
[0034] 1. Rolling mill frame; 2. Guide rails; 3. Hydraulic cylinder; 4. Vertical plate; 5. Lower support plate; 6. Adjustment assembly; 7. Bottom plate; 8. Universal joint; 9. Upper support plate; 10. Mounting block; 101. Guide shaft; 401. Articulated shaft; 402. Mounting boss; 403. Mounting seat; 601. Adjustment tube; 602. Left-handed threaded column; 603. Right-handed threaded column; 604. Articulated tube; 701. Articulated seat. DETAILED DESCRIPTION
[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.
[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.
[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
[0038] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0039] like Figures 1 to 5 As shown, a universal shaft 8 supporting device for a rolling mill includes:
[0040] The guide rail 2 is provided with a driving assembly for driving the guide rail 2 to move up and down, and the guide rail 2 is used to support the roll support of the rolling mill; the supporting assembly includes two vertical plates 4, each vertical plate 4 is provided with an inclined supporting plate, and the support plates of the two vertical plates 4 are used to support the universal joint 8, and the vertical plates 4 are connected to the guide rail 2 by bolts.
[0041] The driving component is a hydraulic cylinder 3 , a housing of the hydraulic cylinder 3 is fixedly connected to the rolling mill frame 1 , and an output shaft of the hydraulic cylinder 3 is fixedly connected to the guide rail 2 .
[0042] The supporting assembly also includes a bottom plate 7 , both ends of which are respectively connected to the two guide rails 2 ; the lower end of the vertical plate 4 is hinged to the bottom plate 7 ; and the upper ends of the two vertical plates 4 are connected via an adjusting assembly 6 .
[0043] A hinge shaft 401 is fixedly provided at the lower end of the vertical plate 4 , a hinge seat 701 is fixedly provided on the bottom plate 7 , and the hinge shaft 401 is installed at the inner side of the hinge hole of the hinge seat 701 .
[0044] In some embodiments, the adjustment component 6 is a bolt, a through hole is opened at the upper end of the vertical plate 4, the bolt passes through the through holes of the two vertical plates 4, and locking nuts are provided on both sides of the vertical plates 4 away from the bolt heads. The locking bolt is threadedly connected to the bolt, and the two locking nuts are respectively tightened against the two end faces of the vertical plate 4.
[0045] In other embodiments, the adjustment assembly 6 includes an adjustment tube 601 and two hinged tubes 604, wherein a left-handed threaded column 602 is fixedly provided on one of the hinged tubes 604, and a right-handed threaded column 603 is fixedly provided on the other hinged tube 604. A left-handed internal thread is provided on the inner side of one end of the adjustment tube 601, and a right-handed internal thread is provided on the inner side of the other end. A mounting seat 403 is fixedly provided on the upper end of the vertical plate 4, and a mounting shaft is fixedly provided on the mounting seat. The two mounting shafts are respectively installed on the inner sides of the hinged tubes 604 of the two vertical plates 4, and the two ends of the adjustment tube 601 are respectively threadedly connected with the right-handed threaded column 603 and the left-handed threaded column 602. A plug hole is provided on the side wall of the adjustment tube 601. By rotating the adjustment tube 601, the upper ends of the two vertical plates 4 can be tightened. When it is necessary to take out the universal shaft 8 in the vertical direction, the adjustment tube 601 can be loosened to rotate the two vertical plates 4 so that the two universal shafts 8 can be taken out in the vertical direction.
[0046] A guide shaft 101 is fixedly provided on the rolling mill frame 1, and a guide hole matching the guide shaft 101 is opened on the guide rail 2. The guide shaft 101 is located inside the guide hole. The guide shaft 101 plays a guiding role in the process of the guide rail 2 moving up and down, thereby improving the stability of the guide rail 2 during movement.
[0047] The support plate includes an upper support plate 9 and a lower support plate 5; a mounting boss 402 is provided on the end surface of the lower end of the vertical plate 4 adjacent to the other vertical plate 4, and the upper end of the mounting boss 402 is an inclined surface. The lower support plate 5 is installed on the inclined surface of the mounting boss 402 by bolts, and the height of the inclined surface of the mounting boss 402 away from one end of the vertical plate 4 is lower than the height of the inclined surface of the mounting boss 402 close to one end of the vertical plate 4; the two lower support plates 5 form a V-shaped structure for supporting the universal joint 8 below; a mounting block 10 is provided on the end surface of the vertical plate 4 adjacent to the other vertical plate 4, and the height of the mounting block 10 is higher than the height of the boss, and the upper end of the mounting block 10 is an inclined surface. The upper support plate 9 is installed on the inclined surface of the mounting block 10 by bolts, and the height of the inclined surface of the mounting block 10 away from one end of the vertical plate 4 is lower than the height of the inclined surface of the mounting block 10 close to one end of the vertical plate 4; the two upper support plates 9 form a V-shaped structure for supporting the universal joint 8 above.
[0048] The mounting block 10 is connected to the vertical plate 4 by bolts. A positioning groove corresponding to the mounting block 10 is opened on the vertical plate 4. The mounting block 10 is installed on the inner side of the positioning groove. The positioning groove plays a positioning role for the mounting block 10. When the mounting block 10 needs to be replaced, it is convenient for disassembly and installation, thereby improving work efficiency.
[0049] The upper support plate 9 and the lower support plate 5 are both structural members made of copper. The copper support plates are soft in texture and can prevent the universal shaft 8 from being scratched.
[0050] Working process:
[0051] When the roller is disassembled, the output shaft of the hydraulic cylinder 3 extends, driving the guide rail 2 to move upward. The guide rail 2 supports the roller bracket, and the support plate supports the universal shaft 8. The supporting operation can be completed without additional actions, thereby improving work efficiency.
[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.
[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A universal shaft (8) support device for a rolling mill, characterized in that: include: The guide rail (2) is provided with a driving assembly for driving the guide rail (2) to move up and down, and the guide rail (2) is used to support the roll support of the rolling mill; A support assembly, the support assembly comprising two vertical plates (4), each of the vertical plates (4) being provided with an inclined support plate, the support plates of the two vertical plates (4) being used to support a universal shaft (8), and the vertical plates (4) being connected to the guide rail (2) by bolts.
2. A cardan shaft (8) support device for a rolling mill according to claim 1, characterized in that: The support assembly further comprises a bottom plate (7), and two ends of the bottom plate (7) are respectively connected to the two guide rails (2); The lower end of the vertical plate (4) is hinged to the bottom plate (7); The upper ends of the two vertical plates (4) are connected via an adjustment component (6).
3. A cardan shaft (8) support device for a rolling mill according to claim 2, characterized in that: A hinge shaft (401) is fixedly provided at the lower end of the vertical plate (4), a hinge seat (701) is fixedly provided on the bottom plate (7), and the hinge shaft (401) is installed on the inner side of the hinge hole of the hinge seat (701).
4. A cardan shaft (8) support device for a rolling mill according to claim 2, characterized in that: The adjustment component (6) is a bolt, a through hole is formed at the upper end of the vertical plate (4), the bolt passes through the through holes of the two vertical plates (4), locking nuts are provided on both sides of the vertical plates (4) away from the bolt heads, the locking bolt is threadedly connected to the bolt, and the two locking nuts are respectively pressed against the two end surfaces of the vertical plate (4).
5. A cardan shaft (8) supporting device for a rolling mill according to claim 2, characterized in that: The adjusting assembly (6) comprises an adjusting tube (601) and two hinged tubes (604), one of the hinged tubes (604) being fixedly provided with a left-handed threaded column (602), and the other hinged tube (604) being fixedly provided with a right-handed threaded column (603), and the inner side of one end of the adjusting tube (601) being provided with a left-handed internal thread, and the inner side of the other end being provided with a right-handed internal thread; A mounting seat (403) is fixedly provided at the upper end of the vertical plate (4), and a mounting shaft is fixedly provided on the mounting seat. The two mounting shafts are respectively installed on the inner sides of the hinged tubes (604) of the two vertical plates (4). The two ends of the adjustment tube (601) are respectively threadedly connected to the right-handed threaded column (603) and the left-handed threaded column (602).
6. A cardan shaft (8) supporting device for a rolling mill according to claim 5, characterized in that: The side wall of the regulating tube (601) is provided with an insertion hole.
7. A cardan shaft (8) supporting device for a rolling mill according to claim 1, characterized in that: A guide shaft (101) is fixedly arranged on the rolling mill frame (1), a guide hole matching the guide shaft (101) is opened on the guide rail (2), and the guide shaft (101) is located inside the guide hole.
8. A cardan shaft (8) supporting device for a rolling mill according to claim 1, characterized in that: The support plate comprises an upper support plate (9) and a lower support plate (5); A mounting boss (402) is provided on the end surface of the lower end of the vertical plate (4) adjacent to another vertical plate (4); the upper end of the mounting boss (402) is an inclined surface; the lower support plate (5) is mounted on the inclined surface of the mounting boss (402) by bolts; the height of the inclined surface of the mounting boss (402) away from one end of the vertical plate (4) is lower than the height of the inclined surface of the mounting boss (402) close to one end of the vertical plate (4); The two lower support plates (5) form a V-shaped structure for supporting the universal shaft (8) below; A mounting block (10) is provided on the end surface of a vertical plate (4) adjacent to another vertical plate (4); the height of the mounting block (10) is higher than the height of the boss; the upper end of the mounting block (10) is an inclined surface; the upper support plate (9) is mounted on the inclined surface of the mounting block (10) by means of bolts; the height of the inclined surface of the mounting block (10) away from one end of the vertical plate (4) is lower than the height of the inclined surface of the mounting block (10) close to one end of the vertical plate (4); The two upper support plates (9) form a V-shaped structure for supporting the universal shaft (8) above.
9. A cardan shaft (8) supporting device for a rolling mill according to claim 8, characterized in that: The mounting block (10) is connected to the vertical plate (4) via bolts; a positioning groove corresponding to the mounting block (10) is formed on the vertical plate (4); and the mounting block (10) is mounted on the inner side of the positioning groove.
10. A cardan shaft (8) supporting device for a rolling mill according to claim 8, characterized in that: The upper support plate (9) and the lower support plate (5) are both structural parts made of copper.
