Universal shaft supporting device for rolling mill
By designing guide rails and adjustment components to support the universal joint, the problems of low hydraulic cylinder drive efficiency and difficulty in removing the universal joint in the existing technology are solved, efficient universal joint support and disassembly are achieved, and the working efficiency of the rolling mill is improved.
Patent Information
- Application Number
- CN202422631494.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing rolling mill universal joint support device requires additional hydraulic cylinder drive support, resulting in low work efficiency. In addition, it is difficult to remove the universal joint in the vertical direction, and the support device needs to be completely disassembled.
A universal joint support device including a guide rail, a support assembly and an adjustment assembly is designed. A hydraulic cylinder is used to drive the guide rail to move and support the roller bracket. The support plate supports the universal joint, and the adjustment assembly is used to facilitate the vertical removal of the universal joint. A copper support plate is used to prevent scratches.
The working efficiency of the rolling mill is improved, the supporting and removing process of the universal joint shaft is simplified, the extra actions are reduced, and the maintenance and replacement efficiency of the equipment is improved.
Smart Images

Figure CN223405654U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of steel rolling, in particular 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 rails on the rolling mill rise to support the roller brackets and move the roller brackets along the axis of the rollers. During this process, the universal joints that drive the rollers to rotate need to be supported by a support device to prevent collisions while facilitating the installation of the rollers. The current universal joint support devices have the following problems during use: first, after the rails are raised, an additional hydraulic cylinder needs to be driven to drive the support device to support the universal joint, resulting in low work efficiency; second, the rollers and universal joints are generally arranged up and down, and the existing support devices are mostly frame structures. The universal joints cannot be removed in the vertical direction, and the support device needs to be completely disassembled to remove the universal joints, resulting in low work efficiency. Utility Model Content
[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] In order to achieve the above-mentioned purpose, the technical solution of the utility model is achieved as follows:
[0005] A universal shaft support device for a rolling mill, comprising:
[0006] A guide rail, corresponding to which is provided a drive assembly for driving the guide rail to move up and down, wherein the guide rail is used to support the roll support of the rolling mill;
[0007] The support assembly includes 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 joint, and the vertical plates are connected to the guide rails by bolts.
[0008] Furthermore, the support assembly further includes a bottom plate, and both ends of the bottom plate are respectively connected to the 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 adjusting 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, and locking nuts are provided on both sides of the vertical plates away from the bolt head. The locking nuts are threadedly connected to the bolt, and the two locking nuts are respectively tightened against the two end faces of the vertical plates.
[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] The upper end of the vertical plate is fixed with a mounting seat, and the mounting seat is fixed with a mounting shaft. 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 adjustment tube are respectively threadedly connected with the right-handed threaded column and the left-handed threaded column.
[0015] Furthermore, a socket is provided on the side wall of the regulating tube.
[0016] Furthermore, a guide shaft is fixedly provided on the frame of the rolling mill, 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 the other 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 joint shaft below;
[0020] A mounting block is provided on the end surface of the vertical plate adjacent to the other 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 joint shaft above.
[0022] Furthermore, the mounting block is connected to the vertical plate by bolts, a positioning groove corresponding to the mounting block is opened 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) The utility model discloses a universal joint support device for a rolling mill. When the rolls are disassembled, the driving assembly drives the guide rail to move upward, the guide rail supports the roll bracket, and the support plate supports the universal joint. The support operation can be completed without additional action, thereby improving work efficiency.
[0026] (2) The utility model discloses a universal joint support device for a rolling mill. The upper ends of the two vertical plates can be tightened by rotating the adjusting tube. When the universal joint 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 joint, thereby facilitating the replacement and maintenance of the universal joint and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:
[0028] Figure 1 This is a side structural diagram of the device according to an embodiment of the present utility model;
[0029] Figure 2 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at A in the middle;
[0030] Figure 3 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at B in the middle;
[0031] Figure 4 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at C in the middle;
[0032] Figure 5 For the embodiment of the present utility model Figure 1 Schematic diagram of the structure at point D in the middle.
[0033] Description of reference numerals:
[0034] 1. Frame; 2. Guide rail; 3. Hydraulic cylinder; 4. Vertical plate; 5. Lower support plate; 6. Adjustment assembly; 7. Base 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 therein can 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 orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. 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 this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0039] like Figures 1 to 5 As shown, a universal shaft support device for a rolling mill includes:
[0040] The guide rail 2 is provided with a driving assembly that drives the guide rail 2 to move up and down. The guide rail 2 is used to support the roll support of the rolling mill; the support assembly includes two vertical plates 4, each vertical plate 4 is provided with an inclined support plate, and the support plates of the two vertical plates 4 are used to support the universal joint 8. 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 frame 1 of the rolling mill, and an output shaft of the hydraulic cylinder 3 is fixedly connected to the guide rail 2 .
[0042] The support assembly also includes a base 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 base plate 7 ; and the upper ends of the two vertical plates 4 are connected via an adjustment 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 inside 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 nuts are threadedly connected to the bolts, 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, one of which is fixedly provided with a left-handed threaded column 602, and the other is fixedly provided with a right-handed threaded column 603. The adjustment tube 601 has a left-handed internal thread on one end and a right-handed internal thread on the other end. A mounting seat 403 is fixedly provided at the upper end of the vertical plate 4, which is fixedly provided with a mounting shaft. The two mounting shafts are respectively mounted on the inner sides of the hinged tubes 604 of the two vertical plates 4. The ends of the adjustment tube 601 are threadedly connected to the right-handed threaded column 603 and the left-handed threaded column 602, respectively. A socket is provided on the sidewall 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 remove the universal joint 8 in the vertical direction, the adjustment tube 601 can be loosened to rotate the two vertical plates 4 to remove the two universal joints 8 in the vertical direction.
[0046] A guide shaft 101 is fixed on the frame 1 of the rolling mill, 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 mounted 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 mounted 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 to disassemble and install, 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 joint 8 from being scratched.
[0050] Working process:
[0051] When the rollers are 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 action, 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 above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. 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 description 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 replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A universal shaft support device for a rolling mill, characterized in that: include: A guide rail (2) is provided with a corresponding driving assembly for driving the guide rail (2) to move up and down, and the guide rail (2) is used to support a roll support of a rolling mill; A support assembly comprises 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) via bolts.
2. A universal shaft support device for a rolling mill according to claim 1, characterized in that: The support assembly further comprises a bottom plate (7), and both 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 assembly (6).
3. A universal shaft 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 inside the hinge hole of the hinge seat (701).
4. A universal shaft 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), and locking nuts are provided on both sides of the vertical plate (4) away from the bolt head. The locking nuts are threadedly connected to the bolt, and the two locking nuts are respectively tightened against the two end faces of the vertical plate (4).
5. The universal shaft support device for a rolling mill according to claim 2, characterized in that: The adjustment assembly (6) comprises an adjustment 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 one end of the adjustment tube (601) being provided with a left-handed internal thread on its inner side, and the other end being provided with a right-handed internal thread on its inner side; The upper end of the vertical plate (4) is fixedly provided with a mounting seat (403), on which a mounting shaft is fixedly provided. 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 universal shaft support device for a rolling mill according to claim 5, characterized in that: A plug hole is provided on the side wall of the regulating tube (601).
7. The universal shaft support device for a rolling mill according to claim 1, characterized in that: A guide shaft (101) is fixedly provided on the frame (1) of the rolling mill, 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. The universal shaft support 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 means of 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 joint (8) below; A mounting block (10) is provided on the end surface of the 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 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 shaft (8) above.
9. The universal joint support 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 provided on the vertical plate (4); and the mounting block (10) is installed inside the positioning groove.
10. The universal shaft support 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.