Improved working roll and intermediate roll bearing seat disassembling and assembling machine
By combining hydraulic lifting cylinders and fine-tuning cylinders with spherical bearings, the problem of inaccurate bearing housing alignment is solved, achieving precise alignment of the bearing housing and preventing tipping, thus improving the accuracy and safety of disassembly and assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-03-24
AI Technical Summary
The existing work roll and intermediate roll bearing housing disassembly and assembly machine has insufficient centering accuracy, resulting in inaccurate disassembly and assembly processes.
An improved machine for disassembling and assembling work roll and intermediate roll bearing seats was designed. It adopts a combination of hydraulic lifting cylinder and fine-tuning cylinder with spherical bearing. The fine-tuning cylinder is connected to the cylinder bracket, and an anti-tipping hook is set to cooperate with the support column to achieve precise centering adjustment.
It achieves precise alignment of the bearing housing, preventing cylinder jamming and worktable tipping over, and improving the accuracy and safety of the disassembly and assembly process.
Smart Images

Figure CN224027596U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of press roller bearing seat dismounting and mounting equipment, in particular to an improved work roll and intermediate roll bearing seat dismounting and mounting machine. BACKGROUND
[0002] Roller is the cylindrical tool that the metal is made to produce plastic deformation by rotating and exerting pressure. The roller can be divided into work roll, support roll and intermediate roll according to the use. Bearing seat is used to support the roller and make it rotate. Because the roller wears in the use process, the roller needs to be replaced, and the corresponding bearing seat also needs to be dismounted. But because of its heavy weight, manual operation is extremely dangerous.
[0003] A work roll and intermediate roll bearing seat dismounting and mounting machine of Chinese patent CN 215467056 U is an equipment for dismounting and mounting work roll and intermediate roll bearing seat developed by the same applicant, which discloses a cart body, a trolley body and a lifting platform. The cart body is arranged on the cart slide rail through the cart wheel, the trolley body is arranged on the trolley slide rail through the trolley wheel, a pulley is arranged on the rear side of the trolley body, the pulley is connected with the sliding groove in a matching mode, the sliding groove is arranged on the cart body, a moving hydraulic cylinder is arranged on the cart body, a connecting block is arranged on the lower end of the trolley body, the moving hydraulic cylinder is fixedly connected with the connecting block, the lifting platform is arranged on the trolley body, and the lifting platform adopts hydraulic lifting to carry the load. The operation performance is stable, the bearing seat and the roller can be centered and fine-tuned, and the installation accuracy is ensured.
[0004] But in the actual application, the above-mentioned equipment has the problem of inaccurate centering, and further improvement is needed on this basis. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problem of designing an improved work roll and intermediate roll bearing seat dismounting and mounting machine, which can realize the centering of the bearing seat more accurately during the dismounting and mounting process.
[0006] In order to solve the above technical problem, the utility model adopts the following technical scheme: an improved work roll and intermediate roll bearing seat dismounting and mounting machine, which comprises a cart body and a trolley body. The trolley body moves on the cart body. The trolley body comprises a support table at the bottom. A hydraulic lifting oil cylinder is arranged in the middle of the support table. The top of the hydraulic lifting oil cylinder is fixedly connected with a lifting table. A fine-tuning oil cylinder is arranged on the upper surface of the lifting table. The top of the fine-tuning oil cylinder is fixedly connected with a workbench. The fine-tuning oil cylinder drives the workbench to move.
[0007] Further, the end of the fine-tuning oil cylinder is connected with an oil cylinder support, and the oil cylinder support is fixed on the upper surface of the lifting table.
[0008] Further, the oil cylinder support is provided with a joint bearing, and the end of the fine adjustment oil cylinder is connected with the oil cylinder support through the joint bearing.
[0009] Further, the four ends of the lifting platform are respectively provided with support columns, and the top end of each support column abuts against the workbench.
[0010] Further, the side of the support column is provided with a protrusion one, and the four ends of the bottom of the workbench are respectively provided with anti-turn hooks, and the bottom of the anti-turn hook is overlapped with the protrusion one.
[0011] Further, the anti-turn hook is L-shaped.
[0012] Further, the other side of the support column is provided with a protrusion two, and the four ends of the bottom of the workbench are respectively provided with guide columns, and the protrusion two abuts against the guide column.
[0013] Further, the four ends of the support platform are respectively provided with guide rod systems, and the upper end of the guide rod system is fixedly connected with the lifting platform. Beneficial effects
[0014] (1) The bearing seat dismounting machine of the present application is provided with a fine adjustment oil cylinder at the lower end of the workbench, and the fine adjustment oil cylinder is fixedly connected with the lifting platform, so that the position of the workbench can be more accurately adjusted, and the centering of the workbench and the bearing seat is realized.
[0015] (2) The fine adjustment oil cylinder is connected with the oil cylinder support shaft, so that the oil cylinder can be prevented from being stuck with the oil cylinder support during movement.
[0016] (3) The anti-turn hooks are arranged at the four ends of the bottom of the workbench, and the anti-turn hooks are matched with the support columns on the support platform, so that the overturning of the workbench under uneven force can be effectively prevented. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole view of the dismounting machine of the present application.
[0018] Figure 2 It is a sectional view of the dismounting machine of the present application.
[0019] Figure 3 It is a front view of the dismounting machine of the present application.
[0020] Figure 4 It is a schematic view of the oil cylinder support of the dismounting machine of the present application.
[0021] Wherein 1 - car body, 2 - car body, 21 - support platform, 211 - guide rod system, 22 - hydraulic lifting cylinder, 23 - lifting platform, 231 - support column, 2311 - protrusion one, 2312 - protrusion two, 24 - fine adjustment cylinder, 25 - cylinder support, 251 - joint bearing, 26 - workbench, 261 - anti-turning hook, 262 - guide column. DETAILED DESCRIPTION
[0022] In order to strengthen the understanding of the utility model, the utility model will be described in detail below in conjunction with the embodiments and drawings, and the embodiments are only used to explain the utility model and do not constitute limitations on the protection scope of the utility model.
[0023] As Figure 1 The utility model discloses an improved work roll and intermediate roll bearing pedestal dismounting machine, including car body 1 and car body 2, with the same prior art, the bottom of car body 1 is provided with pulley, and can roll on the car slide rail through the pulley. The upper surface of the car body is provided with a car slide rail, and the car body 2 rolls on the car slide rail through the pulley at the bottom. At the same time, a speed reducer is arranged at the bottom of the car body 1, and the car body 2 is connected with the speed reducer, which can move on the car body 1.
[0024] As Figure 2 The car body 2 includes a support platform 21 at the bottom, a hydraulic lifting cylinder 22 is arranged at the middle part of the support platform 21, the top of the hydraulic lifting cylinder 22 is fixedly connected with a lifting platform 23, and the hydraulic lifting cylinder 22 can drive the lifting platform 23 to freely lift.
[0025] In order to make the lifting platform 23 more stable, the guide rod system 211 is arranged at the four ends of the support platform 21 respectively, the upper end of the guide rod system 211 is fixedly connected with the lifting platform 23, at this time, when the lifting platform 23 lifts, the guide rod system 211 can also move up and down with it, and after the lifting platform 23 completes lifting, the guide rod system 211 can support the lifting platform 23.
[0026] The upper surface of the lifting platform 23 is fixed with a cylinder support 25, and the cylinder support 25 is connected with the end of a fine adjustment cylinder 24, the top of the fine adjustment cylinder 24 is fixedly connected with a workbench 26, and the fine adjustment cylinder 25 can drive the workbench 26 to move.
[0027] According to a preferred embodiment of the utility model, the joint bearing 251 is arranged on the cylinder support 25, and the end of the fine adjustment cylinder 24 is connected with the cylinder support 25 through the joint bearing 251, which can prevent the shaft from being stuck due to the shaking of the fine adjustment cylinder.
[0028] According to a preferred embodiment of the utility model, as Figure 3As shown in the drawings, support columns 231 are arranged at four ends of the lifting platform 23 respectively, and the top end of each support column 231 abuts against the workbench 26 but is not fixed, so that the workbench 26 can be supported and the movement of the workbench 26 is not hindered.
[0029] According to one preferred embodiment of the present application, Figure 3 As shown in the drawings, protrusions 2311 are arranged on the side of the support columns 231, and anti-turn hooks 261 are arranged at four ends of the bottom of the workbench 26 respectively, and the bottom of the anti-turn hook 261 overlaps the protrusion 2311, so that when the workbench is tilted, the anti-turn hook 261 hooks the protrusion 2311, thereby preventing the workbench from tilting, and when the workbench 26 moves, the anti-turn hook 261 can move along the protrusion 2311 with the workbench 26.
[0030] Preferably, the anti-turn hook 261 is L-shaped.
[0031] According to one preferred embodiment of the present application, Figure 3 As shown in the drawings, protrusions 2311 are arranged on the side of the support columns 231, and anti-turn hooks 261 are arranged at four ends of the bottom of the workbench 26 respectively, and the bottom of the anti-turn hook 261 overlaps the protrusion 2311, so that when the workbench is tilted, the anti-turn hook 261 hooks the protrusion 2311, thereby preventing the workbench from tilting, and when the workbench 26 moves, the anti-turn hook 261 can move along the protrusion 2311 with the workbench 26.
[0032] In use, the trolley body and the car body are first moved to below the bearing seat to be replaced, the workbench is moved to the middle position of the bearing seat by adjusting the fine adjustment oil cylinder, then the bearing seat is disassembled, the disassembled bearing seat is received by the workbench, and then the trolley body and the car body are removed. The assembly process is opposite to the disassembly process.
[0033] The embodiments of the present application disclose preferred embodiments, but are not limited to this, and those skilled in the art can easily understand the spirit of the present application according to the above embodiments, and make different inferences and changes, as long as they do not deviate from the spirit of the present application, they are within the protection scope of the present application.
Claims
1. An improved work roll and intermediate roll chock dismounting machine comprising a car body (1) and a trolley body (2) which moves on the car body (1), characterized in that, The trolley body (2) includes a support table (21) at the bottom, a hydraulic lifting oil cylinder (22) is arranged in the middle of the support table (21), the top of the hydraulic lifting oil cylinder (22) is fixedly connected with a lifting table (23), the upper surface of the lifting table (23) is provided with a fine adjustment oil cylinder (24), the top of the fine adjustment oil cylinder (24) is fixedly connected with a workbench (26), and the fine adjustment oil cylinder (24) drives the workbench (26) to move; Four end portions of the lifting table (23) are respectively provided with support columns (231), and the top of each support column (231) is in abutment with the workbench (26); the side surface of the support column (231) is provided with a protrusion one (2311), and the four end portions of the bottom of the workbench (26) are respectively provided with anti-turn hooks (261), and the bottom of the anti-turn hook (261) is in abutement with the protrusion one (2311).
2. The improved work roll and intermediate roll chock dismounting machine according to claim 1, characterized in that, The end portion of the fine adjustment oil cylinder (24) is connected with an oil cylinder support (25), and the oil cylinder support (25) is fixed on the upper surface of the lifting table (23).
3. The improved work roll and intermediate roll chock dismounting machine according to claim 2, characterized in that, The oil cylinder support (25) is provided with a knuckle bearing (251), and the end portion of the fine adjustment oil cylinder (24) is connected with the oil cylinder support (25) through the knuckle bearing (251).
4. The improved work roll and intermediate roll chock dismounting machine according to claim 1, characterized in that, The anti-turn hook (261) is L-shaped.
5. The improved work roll and intermediate roll chock dismounting machine according to claim 1, characterized in that, The other side surface of the support column (231) is provided with a protrusion two (2312), and the four end portions of the bottom of the workbench (26) are respectively provided with guide columns (262), and the protrusion two (2312) is in abutement with the guide column (262).
6. The improved work roll and intermediate roll chock dismounting machine according to claim 1, characterized in that, Four end portions of the support table (21) are respectively provided with guide rod systems (211), and the upper end of the guide rod system (211) is fixedly connected with the lifting table (23).
Citation Information
Patent Citations
Disassembling and assembling machine for bearing seats of working roll and intermediate roll
CN215467056U