Simple dismounting device for large roller bearing assembly
By designing a simple load-bearing support and baffle frame in conjunction with a jack, the large heavy-duty open center frame roller bearing was quickly disassembled, solving the problem of difficult disassembly, reducing costs and improving efficiency.
Patent Information
- Application Number
- CN202423172193.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-23
AI Technical Summary
The disassembly of large, heavy-duty open center frame roller bearing assemblies is difficult, and the replacement cycle for damaged imported bearings is long, affecting the product delivery cycle.
A simple disassembly device was designed, comprising a force-bearing bracket, an upper baffle, a baffle frame, a support block, and a lower base plate. By cooperating with the force-bearing bracket and the baffle frame, an external force is applied using a jack to move the roller shaft in the roller bearing assembly to the right, thereby achieving disassembly.
It effectively solves the disassembly problem of large and heavy open center frame roller bearing assemblies, saving time and effort, reducing disassembly costs, and allowing the shaft and bearings to be reused.
Smart Images
Figure CN223718760U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a simple and easy dismounting device of large roller bearing assembly belongs to mechanical technical field. BACKGROUND
[0002] The open type center stand configured to the numerical control heavy deep hole turning and boring machine is the open type center stand of larger specification, and the assembly precision of the roller bearing assembly is the key to the precision of the open type center stand, the parallel consistency of the roller bearing on the two sides of the roller shaft is not controlled during bearing assembly due to insufficient experience of the operator, the precision of the roller bearing and the shaft after assembly is inconsistent, the bearing is large in specification, and the bearing is tightly fitted with the shaft and the fastening sleeve and the shaft, so it is very difficult to dismount, the bearing is imported, the replacement period is long after dismounting, and the delivery period of the product is seriously affected. SUMMARY
[0003] In order to overcome the insufficient of prior art, the utility model provides a simple and easy dismounting device of large roller bearing assembly, which can effectively solve the problem of difficult dismounting of large heavy open type center stand roller bearing, and has simple structure, convenient use, time saving and labor saving.
[0004] The utility model solves its technical problem adopts the technical scheme: a simple and easy dismounting device of large roller bearing assembly, including stress support, upper baffle, baffle frame, support block and lower bottom plate, the stress support is a rigid welded support, the main body of stress support is a L type board body, two interval triangle plates are fixed in the right angle of L type board body, the plane board body of L type board body is combined to the top one side of lower bottom plate through fastening screw.
[0005] On the other side of the top of the lower bottom plate, a baffle frame is fixed on the bottom plate through a fastening screw, the baffle frame is welded by two round columns a and an inverted T type board body, the upper end of both sides of the length direction of the T type board body is fixed with a round column a, a threaded hole is arranged in the round column a, two interval stress bars are fixed in the right angle of the T type board body, a semicircular hole I opening upward is arranged at the middle position of the vertical plate of the T type board body.
[0006] The top of the vertical plate of the T type board body is provided with an upper baffle, the upper baffle is a C type board body, a semicircular hole II opening downward is arranged at the middle position of the upper baffle, a round column b is fixed at the lower end of both sides of the upper baffle, a through hole is arranged in the round column b, the through hole of both sides of the upper baffle corresponds with the threaded hole of both sides of the baffle frame 7 and is connected by the upper baffle and the baffle frame through fastening screw.
[0007] Two support blocks are arranged on the lower bottom plate in the width direction of the baffle frame.
[0008] Further, the semicircular hole II in the upper baffle and the semicircular hole I in the baffle frame form a complete circular hole.
[0009] Further, the right-angle back baffle frame of the force support.
[0010] The utility model discloses the beneficial effect is: the utility model effectively solved the large -scale heavy -duty open center frame roller bearing assembly dismantling difficult problem, save time and labour, and the shaft and bearing of dismantling can use again, reduce the dismantling cost, also can be used for other dismantling with same, similar structure, with simple structure, convenient and quick operation etc. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model is further illustrated below in connection with the drawings and specific embodiment.
[0012] Figure 1 It is the front view of the utility model.
[0013] Figure 2 It is the plan view of the utility model.
[0014] Figure 3 It is the schematic view of the baffle frame of the utility model.
[0015] Reference numerals in the drawing:
[0016] 1, force support, 101, L-shaped plate body, 102, triangular plate, 2, jack, 3, roller shaft, 4, fastening sleeve, 5, bearing, 6, upper baffle, 601, semicircular hole II, 602, circular column b, 7, baffle frame, 701, circular column a, 702, T-shaped plate body, 703, force bar, 704, semicircular hole I, 8, support block, 9, lower bottom plate, 10, fastening screw, 11, contact surface, 12, ejection surface, 13, tight surface. DETAILED DESCRIPTION
[0017] As Figure 1 -3 shows a simple large roller bearing assembly dismounting device, including force support 1, upper baffle 6, baffle frame 7, support block 8 and lower bottom plate 9, the force support 1 is a rigid welded support, the main body of force support 1 is an L-shaped plate body 101, two interval triangular plates 102 are fixed at the right angle of L-shaped plate body 101, and the plane plate body of L-shaped plate body 101 is combined on the top side of lower bottom plate 9 by fastening screw 10.
[0018] On the other side of the top of the bottom plate 9, the bottom plate 9 is fixed with a baffle frame 7 through a fastening screw 10, and the right angle of the force support 1 faces away from the baffle frame 7; the baffle frame 7 is welded by two round columns a701 and an inverted T-shaped plate body 702, the two sides of the T-shaped plate body 702 are fixed with a round column a701 at the upper end, the inside of the round column a701 is provided with a threaded hole, the two sides of the T-shaped plate body 702 are fixed with two spaced force bars 703 at the right angle, and the middle position of the vertical plate of the T-shaped plate body 702 is provided with a semicircular hole 1704 opening upward.
[0019] The top of the vertical plate of the T-shaped plate body 702 is provided with an upper baffle 6, which is a C-shaped plate body, the middle position of the upper baffle 6 is provided with a semicircular hole 601 opening downward, the two sides of the upper baffle 6 are fixed with a round column b602 at the lower end, and the inside of the round column b602 is provided with a through hole; the through holes on both sides of the upper baffle 6 correspond to the threaded holes on both sides of the baffle frame 7 and are connected by the fastening screw 10; the semicircular hole 601 in the upper baffle 6 and the semicircular hole 1704 in the baffle frame 7 form a complete circular hole, and two supporting blocks 8 are arranged on the bottom plate 9 on both sides of the baffle frame 7 in the width direction.
[0020] The two triangular plates 102 on the force support 1 can ensure the rigidity of the force support 1 itself, the force bars 703 on the baffle frame 7 can ensure that the baffle frame 7 has enough rigidity and does not deform during disassembly; the supporting block 8 is used to support the workpiece to be disassembled, and the specific position is determined according to the shape and size of the workpiece to be disassembled. The force support 1 and the baffle frame 7 of the device are simultaneously fastened on the rectangular bottom plate 9 to form a force whole, and when used, external force is applied between the force support 1 and the baffle frame 7, which indirectly makes the roller shaft 3 in the roller bearing assembly move to the right, so as to achieve the purpose of disassembly.
[0021] In use, first, the lower bottom plate 9 is horizontally placed, the force support 1 is combined on the lower bottom plate 9, the vertical surface of the force support 1 faces the direction of the baffle frame 7, the baffle frame 7 is combined on the lower bottom plate 9 in the longitudinal direction by the screw 10, and is symmetrically arranged in the middle with the force support 1; then the support block 8 is equidistantly arranged on the left and right sides of the baffle frame 7, the roller bearing assembly to be disassembled composed of the roller shaft 3, the fastening sleeve 4 and the bearing set 5 is arranged on the support block 8 and the baffle frame 7, and is used for supporting the roller bearing assembly to be disassembled; the upper baffle 6 is installed on the baffle frame 7 and is fastened by the fastening screws 10 on the two sides, at this time, the upper baffle 6 is located in the recess in the middle of the roller bearing assembly, and the two bearings 5 in the roller bearing assembly are respectively located on the left and right sides of the upper baffle 6; meanwhile, the jack 2 is installed between the force support 1 and the roller shaft 3, the jack 2 is adjusted to be in close contact with the contact surface 11 of the force support 1, and meanwhile, the jacking surface 12 of the jack 2 is in close contact with the clamping surface 13 of the roller shaft 3; the jacking force of the jack 2 is increased, the roller shaft 3 is moved to the right, and the purpose of disassembling the fastening sleeve 4 and the bearing 5 on one side of the roller bearing assembly is achieved; the fastening sleeve 4, the bearing 5 and the upper baffle 6 are disassembled, the roller bearing assembly is turned over by 180°, the other roller bearing to be disassembled is arranged on one side of the force support 1, and the above disassembling process is repeated, so that the disassembling work of the whole roller bearing assembly is completed.
Claims
1. A simple and easy device for dismounting large roller bearing assemblies, characterized in that: It includes force support (1), upper baffle (6), baffle frame (7), support block (8) and lower bottom plate (9), the force support (1) is a rigid welded support, the main body of force support (1) is an L-shaped plate body (101), two interval triangular plates (102) are fixed at the right angle of L-shaped plate body (101), the plane plate body of L-shaped plate body (101) is combined on the top side of lower bottom plate (9) through fastening screw (10); On the other side of the top of lower bottom plate (9), a baffle frame (7) is fixed on the bottom plate (9) through fastening screw (10), the baffle frame (7) is welded by two round columns a (701) and an inverted T-shaped plate body (702), the upper end of both sides of T-shaped plate body (702) is fixed with a round column a (701), the inside of round column a (701) is provided with a threaded hole, two interval force bars (703) are fixed at the right angle of both sides of T-shaped plate body (702), a semicircular hole I (704) with upward opening is arranged at the middle position of the vertical plate of T-shaped plate body (702); The top of vertical plate of T-shaped plate body (702) is provided with an upper baffle (6), the upper baffle (6) is a C-shaped plate body, a semicircular hole II (601) with downward opening is arranged at the middle position of upper baffle (6), a round column b (602) is fixed at the lower end of both sides of upper baffle (6), a through hole is arranged in the inside of round column b (602); The through hole of both sides of upper baffle (6) corresponds to the threaded hole of both sides of baffle frame (7) and upper baffle (6) is combined and connected with baffle frame (7) through fastening screw (10); On both sides of the width direction of baffle frame (7), two support blocks (8) are arranged on lower bottom plate (9).
2. A simple and large roller bearing assembly dismounting device according to claim 1, characterized in that: The semicircular hole II (601) in upper baffle (6) and the semicircular hole I (704) in baffle frame (7) form a complete circular hole.
3. A simple and large roller bearing assembly dismounting device according to claim 1, characterized in that: The right angle of force support (1) faces away from baffle frame (7).