Roller bearing dismounting and mounting device
By designing a roller bearing disassembly and installation device, which uses cylinders and extrusion blocks to automatically eject or insert the bearing, the problems of low safety factor, high equipment damage rate and low efficiency in traditional methods are solved, and a highly efficient and safe disassembly and installation process is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGXIA WANGWA COAL IND CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-08
AI Technical Summary
Traditional methods for disassembling and installing roller bearings suffer from low safety, high equipment damage rate, and low efficiency.
A roller bearing disassembly and installation device was designed, including a main frame, assembly plate, adjustment mechanism, support mechanism and fixing mechanism. The device uses cylinders and extrusion blocks to automatically eject or push in the bearing, avoiding manual impact.
It improves disassembly and installation efficiency, reduces the risk of equipment damage, ensures operational safety, and reduces operation time.
Smart Images

Figure CN224209449U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of roller bearing technology, and in particular to a roller bearing disassembly and installation device. Background Technology
[0002] Roller bearings are key components in mechanical equipment used to support the rotation of rollers. They reduce friction through rolling contact, improve rotational efficiency and accuracy, and ensure stable operation of equipment. Their robust structure can withstand large loads and are suitable for industrial production lines, conveyor systems and other scenarios. High-quality roller bearings have wear-resistant and corrosion-resistant properties, which can effectively extend the service life of equipment and reduce maintenance costs. They are an indispensable core component for ensuring the efficient operation of machinery.
[0003] Traditional methods of disassembling and installing bearings involve striking them, which can easily cause injury to personnel and damage the exterior of the equipment and the interior of the bearing. Manual operation is also time-consuming, with the average disassembly of a single roller taking nearly thirty minutes and is physically demanding on the workers. Therefore, this invention proposes a roller bearing disassembly and installation device to solve the above problems. Utility Model Content
[0004] To address the aforementioned problems, this utility model proposes a roller bearing disassembly and installation device to solve the issues of low safety, high equipment damage rate, and low efficiency associated with the existing method of disassembling and installing roller bearings by manual striking.
[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a roller bearing disassembly and installation device, including a main frame, an assembly plate and a connecting plate. The assembly plates are symmetrically fixedly connected to both sides of the main frame, and an adjustment mechanism is provided on the top of the assembly plate. A support mechanism is provided in the middle of the main frame, and a connecting plate is fixedly connected to the back of the main frame. A fixing mechanism is provided on the top of the connecting plate.
[0006] A further improvement is made in that: the adjustment mechanism includes a movable cylinder, a movable seat, a slider, an extrusion block, a strip groove, and an adjustment bolt. The movable cylinder is fixedly installed on the top of the assembly plate. The output end of the movable cylinder is fixedly connected to the movable seat. Sliders are symmetrically slidably connected to both sides of the movable seat. An extrusion block is fixedly connected to one side of the slider. Strip grooves are symmetrically provided on both sides of the movable seat. An adjustment bolt is provided inside the strip groove.
[0007] A further improvement is that the top of the adjusting bolt extends through the top of the slider and is threaded with a nut; the movable seat is designed as an I-shaped structure; and one side of each of the two sets of extrusion blocks is parallel to the positions of the roller and the bearing, respectively.
[0008] A further improvement is that the support mechanism includes a support base and an arc-shaped plate. The support base is symmetrically and fixedly connected to the middle of the main frame, and the bottom of the roller is in contact with the inner side of the arc-shaped plate.
[0009] A further improvement is that a set of feet is symmetrically fixedly connected to both sides of the bottom of the main frame, and a protective net is fixedly connected between the two sets of feet.
[0010] A further improvement is made in that: the fixing mechanism includes a hinge seat, a fixing plate, a rotating cylinder and a connecting arm. The top of the connecting plate is fixedly connected to the hinge seat, the top of the hinge seat is hinged to the fixing plate, the rotating cylinder is hinged to one side of the connecting plate, the output end of the rotating cylinder is fixedly connected to the connecting arm, and the top end of the connecting arm is hinged to one end of the fixing plate.
[0011] A further improvement is that the fixing plate is designed to be rectangular, with one end extending out of the outer side of the main frame and the bottom of the fixing plate fitting against the top of the roller.
[0012] The beneficial effects of this utility model are as follows: Loosening the nut on the adjusting bolt releases the restriction relationship between the slider and the moving seat, allowing the slider to slide along the strip groove on the moving seat. The extrusion block and the slider are connected as one unit, and the position of the extrusion block can be adjusted so that the positions of the two sets of extrusion blocks are parallel to the positions of the roller and the bearing, respectively. Then, tightening the nut on the adjusting bolt locks the position of the extrusion block. The output end of one moving cylinder drives a set of extrusion blocks parallel to the roller to move closer to the roller, thereby pressing one side of the roller tightly. The output end of the other moving cylinder drives a set of extrusion blocks parallel to the bearing to move closer to the bearing, thereby pushing the bearing out or into the roller, which facilitates automatic disassembly and assembly of the roller bearing. Attached Figure Description
[0013] Figure 1 This is the front view of the present invention;
[0014] Figure 2 This is a schematic diagram of the adjustment mechanism structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the fixing mechanism of this utility model.
[0016] The components are: 1. Main frame; 2. Assembly plate; 3. Connecting plate; 4. Moving cylinder; 5. Moving seat; 6. Slider; 7. Extrusion block; 8. Strip groove; 9. Adjusting bolt; 10. Support seat; 11. Arc plate; 12. Foot; 13. Protective net; 14. Hinge seat; 15. Fixing plate; 16. Rotating cylinder; 17. Connecting arm. Detailed Implementation
[0017] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.
[0018] according to Figure 1 , 2 As shown in Figure 3, this embodiment proposes a roller bearing disassembly and installation device, including a main frame 1, an assembly plate 2, and a connecting plate 3. The assembly plates 2 are symmetrically fixedly connected to both sides of the main frame 1. An adjustment mechanism is provided on the top of the assembly plate 2. A support mechanism is provided in the middle of the main frame 1. A connecting plate 3 is fixedly connected to the back side of the main frame 1. A fixing mechanism is provided on the top of the connecting plate 3. The roller is placed on the support mechanism, and the components of the two sets of adjustment mechanisms are adjusted to be parallel to the positions of the roller and the bearing, respectively. First, one set of adjustment mechanisms presses one side of the roller tightly, and then the other set of adjustment mechanisms pushes the bearing, automatically pushing the bearing out of the roller, so as to move the bearing out of the roller for disassembly. Similarly, the bearing is placed on one side of the roller, and the other set of adjustment mechanisms automatically pushes the bearing into the roller, which facilitates automatic disassembly and installation of the roller bearing.
[0019] The adjustment mechanism includes a movable cylinder 4, a movable seat 5, a slider 6, an extrusion block 7, a strip groove 8, and an adjusting bolt 9. The movable cylinder 4 is fixedly mounted on the top of the assembly plate 2. The output end of the movable cylinder 4 is fixedly connected to the movable seat 5. Slider blocks 6 are symmetrically slidably connected to both sides of the movable seat 5. An extrusion block 7 is fixedly connected to one side of the slider 6. Strip grooves 8 are symmetrically arranged on both sides of the movable seat 5. An adjusting bolt 9 is located inside the strip groove 8. The top end of the adjusting bolt 9 passes through the top of the slider 6 and is threaded with a nut. The movable seat 5 is I-shaped. One side of each of the two sets of extrusion blocks 7 is parallel to the positions of the roller and the bearing, respectively. The adjusting bolt 9... Loosen the nut to release the restriction between the slider 6 and the moving seat 5. The slider 6 can slide along the strip groove 8 on the moving seat 5. The extrusion block 7 is connected to the slider 6 as one unit. The position of the extrusion block 7 can be adjusted so that the positions of the two sets of extrusion blocks 7 are parallel to the positions of the roller and the bearing, respectively. Then tighten the nut on the adjusting bolt 9 to lock the position of the extrusion block 7. The output end of one moving cylinder 4 drives one set of extrusion blocks 7 parallel to the roller to move closer to the roller to press one side of the roller. The output end of the other moving cylinder 4 drives one set of extrusion blocks 7 parallel to the bearing to move closer to the bearing to push the bearing out or into the roller, which facilitates automatic disassembly and assembly of the roller bearing.
[0020] The support mechanism includes a support base 10 and an arc plate 11. The support base 10 is symmetrically fixedly connected to the middle of the main frame 1. The bottom of the roller is attached to the inner side of the arc plate 11. When the roller is placed on the arc plate 11, the bottom of the roller is pressed against the inner side of the arc plate 11. The arc plate 11 is connected to the main frame 1 as a whole through the support base 10, and the roller is supported by the arc plate 11.
[0021] A set of feet 12 are symmetrically fixedly connected to both sides of the bottom of the main frame 1. A protective net 13 is fixedly connected between the two sets of feet 12. The bearing is pushed out from the roller and is prone to fall directly downward. If the bearing collides with the ground, it will be damaged and affect its normal use. The protective net 13 plays the role of interception between the ground and the bearing, avoiding the bearing from colliding with the ground and protecting the bearing.
[0022] The fixing mechanism includes a hinge seat 14, a fixing plate 15, a rotating cylinder 16, and a connecting arm 17. The top of the connecting plate 3 is fixedly connected to the hinge seat 14, and the top of the hinge seat 14 is hinged to the fixing plate 15. The rotating cylinder 16 is hinged to one side of the connecting plate 3, and the output end of the rotating cylinder 16 is fixedly connected to the connecting arm 17. The top end of the connecting arm 17 is hinged to one end of the fixing plate 15. The fixing plate 15 is rectangular in shape, with one end extending out of the outer side of the main frame 1. The bottom of the fixing plate 15 is in contact with the top of the roller. After a set of pressing blocks 7 presses the roller tightly, the output end of the rotating cylinder 16 can drive the fixing plate 15 to rotate around the top of the hinge seat 14, causing one end of the fixing plate 15 to rotate downward and contact the top of the roller to press the roller tightly, preventing the roller from shifting when pressing the bearing, which would affect the bearing's insertion or removal. After the operation is completed, the output end of the rotating cylinder 16 drives the fixing plate 15 to rotate upward and separate from the top of the roller, allowing the roller to be removed from the top of the main frame 1.
[0023] The roller bearing disassembly and installation device involves loosening the nut on the adjusting bolt 9 to release the restriction between the slider 6 and the moving seat 5. The slider 6 can then slide along the strip groove 8 on the moving seat 5. The pressing block 7 is integrated with the slider 6, and its position can be adjusted so that the positions of the two sets of pressing blocks 7 are parallel to the positions of the roller and the bearing, respectively. Then, the nut on the adjusting bolt 9 is tightened to lock the position of the pressing block 7. The output end of one moving cylinder 4 drives one set of pressing blocks 7 parallel to the roller to move closer to the roller, thereby pressing one side of the roller tightly. The output end of the other moving cylinder 4 drives another set of pressing blocks 7 parallel to the bearing to move closer to the bearing, thereby pushing the bearing out or into the roller, facilitating automatic disassembly and assembly of the roller bearing.
[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A roller bearing disassembly and installation device, comprising a main frame (1), an assembly plate (2), and a connecting plate (3), characterized in that: The main frame (1) is symmetrically fixedly connected to the two sides of the assembly plate (2), the top of the assembly plate (2) is provided with an adjustment mechanism, the middle of the main frame (1) is provided with a support mechanism, the back of the main frame (1) is fixedly connected to the connecting plate (3), and the top of the connecting plate (3) is provided with a fixing mechanism. The adjustment mechanism includes a moving cylinder (4), a moving seat (5), a slider (6), an extrusion block (7), a strip groove (8), and an adjustment bolt (9). The moving cylinder (4) is fixedly installed on the top of the assembly plate (2). The output end of the moving cylinder (4) is fixedly connected to the moving seat (5). The slider (6) is symmetrically slidably connected to both sides of the moving seat (5). The extrusion block (7) is fixedly connected to one side of the slider (6). The strip groove (8) is symmetrically provided on both sides of the moving seat (5). The adjustment bolt (9) is provided inside the strip groove (8).
2. The roller bearing disassembly and installation device according to claim 1, characterized in that: The top of the adjusting bolt (9) passes through the top of the slider (6) and is threaded with a nut. The moving seat (5) is shaped like an I-beam. One side of the two sets of extrusion blocks (7) is parallel to the position of the roller and the bearing, respectively.
3. The roller bearing disassembly and installation device according to claim 1, characterized in that: The support mechanism includes a support base (10) and an arc plate (11). The support base (10) is symmetrically fixedly connected to the middle of the main frame (1), and the bottom of the roller is attached to the inner side of the arc plate (11).
4. The roller bearing disassembly and installation device according to claim 1, characterized in that: The bottom of the main frame (1) is symmetrically fixedly connected to a set of feet (12) on both sides, and a protective net (13) is fixedly connected between the two sets of feet (12).
5. The roller bearing disassembly and installation device according to claim 1, characterized in that: The fixing mechanism includes a hinge seat (14), a fixing plate (15), a rotating cylinder (16), and a connecting arm (17). The top of the connecting plate (3) is fixedly connected to the hinge seat (14), the top of the hinge seat (14) is hinged to the fixing plate (15), the side of the connecting plate (3) is hinged to the rotating cylinder (16), the output end of the rotating cylinder (16) is fixedly connected to the connecting arm (17), and the top end of the connecting arm (17) is hinged to one end of the fixing plate (15).
6. The roller bearing disassembly and installation device according to claim 5, characterized in that: The fixing plate (15) is rectangular in shape, with one end of the fixing plate (15) extending out of the outer side of the main frame (1), and the bottom of the fixing plate (15) fitting against the top of the roller.