CN221390871U - Special combination tool for disassembling bearing inner ring - Google Patents
Special combination tool for disassembling bearing inner ring Download PDFInfo
- Publication number
- CN221390871U CN221390871U CN202323537918.3U CN202323537918U CN221390871U CN 221390871 U CN221390871 U CN 221390871U CN 202323537918 U CN202323537918 U CN 202323537918U CN 221390871 U CN221390871 U CN 221390871U
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- mounting
- inner ring
- plates
- bearing
- bearing inner
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- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a special combined tool for disassembling an inner ring of a bearing, which comprises a threaded sleeve and two mounting plates, wherein a threaded rod is movably embedded in the threaded sleeve; the adjusting and fixing structure comprises: the device comprises two connecting blocks, two mounting frames, an elastic component, four first ratchets, two operation boards, four second ratchets, four mounting holes and four fixing bolts; the utility model relates to the technical field of bearing inner ring disassembly, which is compared with the prior art: the regulation fixed knot who adopts of this case constructs, can be at first according to the axle and the bearing of different length and diameter, adjusts the coincidence length of operation panel and installing frame, is suitable for the bearing inner circle dismantlement of different length and diameter to adopt ratchet intermeshing's mode, guarantee the installation intensity of operation panel.
Description
Technical Field
The utility model relates to the technical field of bearing inner ring disassembly, in particular to a special combined tool for bearing inner ring disassembly.
Background
The bearing is a component for fixing and reducing the friction coefficient of load in the mechanical transmission process, and is used for reducing the friction coefficient in the power transmission process and keeping the central position of the shaft fixed when other parts move relative to each other on the shaft; the bearing is required to be in high precision with a shaft matched with the bearing in the installation process, and is generally in interference fit, so that the problem that the running reliability is affected because the bearing does not generate leaping in the working process is solved, the bearing is easy to collapse in the long-term working process, the outer ring and the ball can be conveniently taken out by manpower after the bearing collapses, the inner ring of the bearing is generally removed by an iron rod or an auxiliary tool, and when the outer diameter of the shaft which is excessively installed is close to that of the inner ring of the bearing, the inner ring of the bearing is very difficult to remove by the iron rod or the auxiliary tool;
The prior patent discloses a dismounting device for an inner ring of a bearing, which comprises a sleeve, one end of the sleeve is open, a first threaded hole is formed in the circumferential surface of the open end of the sleeve, a second threaded hole is formed in the other end of the sleeve opposite to the open end of the sleeve, a locking pin is screwed on the first threaded hole through external threads, the locking pin comprises a ball part for being embedded with the inner ring of the bearing and a square hole formed in the opposite side of the ball part, a driving rod is screwed on the second threaded hole through external threads, a handle for rotating is arranged on the driving rod, a rotary joint is arranged at the head of the driving rod, and the size of the rotary joint is smaller than that of a shaft, so that the inner ring of the bearing is conveniently taken out; the locking nails act on the middle part of the bearing inner ring, so that the problem that iron rods and other auxiliary tools cannot be adopted when the bearing inner ring is close to the outer diameter of the shaft is solved, meanwhile, the locking nails are convenient to replace in different sizes, so that the device has certain universality, the device adopts the rotary joint, the end face of the shaft is effectively protected from being worn, the bearing inner ring can be rapidly removed, and the following problems still exist;
The drawing mode that this patent document adopted, holistic accommodation is limited, when facing the major axis, receives telescopic overall length and internal diameter influence, can't connect the long distance and the bearing that the diameter is big, has certain use drawback, and the device need fix the bearing through the locking pin that sets up, and the operation is loaded down with trivial details, influences the whole dismantlement efficiency of bearing inner race, and in view of this, there is the technical means who solves in the prior art probably to above-mentioned problem, but the present case is wanting to provide an alternative or alternative technical scheme.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the special combined tool for disassembling the bearing inner ring comprises a threaded sleeve and two mounting plates, wherein a threaded rod is movably embedded in the threaded sleeve, the two mounting plates are respectively mounted on two sides of the threaded sleeve, and an adjusting and fixing structure is movably embedded in the two mounting plates;
The adjusting and fixing structure comprises: the device comprises two connecting blocks, two mounting frames, an elastic component, four first ratchets, two operation boards, four second ratchets, four mounting holes and four fixing bolts;
The two connecting blocks are respectively hinged to one sides of the two mounting plates, the two mounting frames are respectively and fixedly mounted to the lower ends of the two connecting blocks, two ends of the elastic component are respectively connected with the two mounting plates and the two mounting frames, the four first ratchet bars are respectively mounted on two inner sides of the two mounting frames, the two operating plates are respectively and movably embedded in the two mounting frames, the four second ratchet bars are respectively mounted on two inner sides of the two operating plates, the four mounting holes are respectively formed in the two mounting frames and the center of the two operating plates, and the four fixing bolts are respectively embedded in the four mounting holes.
Preferably, the elastic component comprises: two connecting plates and two springs;
The two connecting plates are respectively arranged at one side wall surface of the two mounting frames, one ends of the two springs are respectively connected with the upper ends of the two connecting plates, and the other ends of the two springs are respectively connected with the lower ends of the two mounting plates.
Preferably, one side of the bottom end of the operation plate is provided with a conical fixing block.
Preferably, the bottom end of the threaded rod is provided with a conical head.
Preferably, the second ratchet bar is engaged with the first ratchet bar.
Preferably, a connection reinforcing block is arranged at the joint of the mounting plate and the threaded sleeve.
Advantageous effects
The utility model provides a special combined tool for disassembling an inner ring of a bearing, which has the following beneficial effects that compared with the prior art: the utility model discloses an adjust fixed knot that adopts constructs, can be at first according to the axle and the bearing of different length and diameter, adjusts the coincidence length of operation panel and installing frame, is suitable for the bearing inner circle dismantlement of different length and diameter to adopt ratchet intermeshing's mode, guarantee the installation strength of operation panel, and adopt the mode of elasticity shrink, can realize the automatic shrink to the operation panel, and then reach the automatic centre gripping to the bearing, guarantee the whole dismantlement efficiency of bearing inner circle.
Drawings
Fig. 1 is a schematic perspective view of a special combination tool for disassembling an inner ring of a bearing according to the present utility model.
Fig. 2 is a schematic diagram of a sectional front view of a special assembly tool for disassembling an inner race of a bearing according to the present utility model.
Fig. 3 is an enlarged schematic view of the position "a" of the special combined tool for disassembling the bearing inner ring.
In the figure: 1. the device comprises a threaded sleeve, 2, a mounting plate, 3, a threaded rod, 4, a connecting block, 5, a mounting frame, 6, a first ratchet bar, 7, an operating plate, 8, a second ratchet bar, 9, a mounting hole, 10, a fixing bolt, 11, a connecting plate, 12, a spring, 13, a conical fixing block, 14, a conical head, 15 and a connecting reinforcing block.
Detailed Description
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1-3, in order to disassemble the inner ring of the bearing, and to accommodate the disassembly of shafts and bearings of different lengths and specifications, an adjusting and fixing structure is provided, and the specific working principle is that, when the whole length of the shaft is long in use, the fixing bolts 10 are removed, then the lengths of the two operation plates 7 in the two installation frames 5 are adjusted according to the positions of the bearings, the installation strength of the operation plates 7 is ensured by meshing the second ratchet bars 8 with the first ratchet bars 6, the fixing bolts 10 are screwed, the length of the operation plates 7 is fixed, then one ends of the two operation plates 7 are sleeved at the upper ends of the bearings, the installation frames 5 and the connecting blocks 4 are driven to rotate by the springs 12 between the connecting plates 11 and the installation plates 2, one ends of the operation plates 7 are jointed with the bearings, the bearing inner ring is clamped by the conical fixed block 13 at one end of the operation plate 7, the automatic contraction of the operation plate 7 can be realized, the automatic clamping of the bearing is realized, finally, the threaded rod 3 is embedded into the threaded sleeve 1 and continuously screwed, the threaded rod 3 is limited along with the contact of the conical head 14 at the bottom end of the threaded rod 3 with one side of the shaft body, the two mounting plates 2 and the adjusting and fixing structure are driven to move towards the upper end of the threaded rod 3 along with the rotation of the threaded rod 3 until the bearing inner ring is taken down on the shaft body, the superposition length of the operation plate 7 and the mounting frame 5 can be adjusted according to the shafts and the bearings with different lengths and diameters, the bearing inner ring with different lengths and diameters is suitable for being dismounted, the conical fixed block 13 is arranged at one side of the bottom end of the operation plate 7, the threaded rod 3 is provided with the conical head 14, the second ratchet 8 is meshed with the first ratchet 6, the connection part of the mounting plate 2 and the threaded sleeve 1 is provided with a connection reinforcing block 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The special combined tool for disassembling the bearing inner ring comprises a threaded sleeve (1) and two mounting plates (2), and is characterized in that a threaded rod (3) is movably embedded in the threaded sleeve (1), the two mounting plates (2) are respectively mounted on two sides of the threaded sleeve (1), and an adjusting and fixing structure is movably embedded in the two mounting plates (2);
The adjusting and fixing structure comprises: the device comprises two connecting blocks (4), two mounting frames (5), an elastic component, four first ratchets (6), two operation plates (7), four second ratchets (8), four mounting holes (9) and four fixing bolts (10);
The two connecting blocks (4) are hinged to one side of each mounting plate (2), the two mounting frames (5) are fixedly mounted to the two lower ends of each connecting block (4), two ends of each elastic component are connected with the two mounting plates (2) and the two mounting frames (5) respectively, the four first ratchet bars (6) are mounted to the two inner sides of each mounting frame (5) respectively, the two operating plates (7) are movably mounted to the two inner sides of each mounting frame (5) respectively, the four second ratchet bars (8) are mounted to the two inner sides of each operating plate (7) respectively, the four mounting holes (9) are formed in the two mounting frames (5) and the center of the two operating plates (7) respectively, and the four fixing bolts (10) are mounted to the four mounting holes (9) respectively.
2. The special combination tool for disassembling an inner ring of a bearing according to claim 1, wherein the elastic component comprises: two connection plates (11) and two springs (12);
The two connecting plates (11) are respectively arranged at one side wall surface of the two mounting frames (5), one ends of the two springs (12) are respectively connected with the upper ends of the two connecting plates (11), and the other ends of the two springs are respectively connected with the lower ends of the two mounting plates (2).
3. The special combined tool for disassembling the bearing inner ring according to claim 1, wherein a conical fixing block (13) is arranged on one side of the bottom end of the operation plate (7).
4. The special combined tool for disassembling the bearing inner ring according to claim 1, wherein the bottom end of the threaded rod (3) is provided with a conical head (14).
5. A special combination tool for dismounting a bearing inner ring according to claim 1, characterized in that the second ratchet bar (8) is in engagement with the first ratchet bar (6).
6. The special combined tool for disassembling the bearing inner ring according to claim 1, wherein a connecting reinforcing block (15) is arranged at the joint of the mounting plate (2) and the threaded sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323537918.3U CN221390871U (en) | 2023-12-25 | 2023-12-25 | Special combination tool for disassembling bearing inner ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323537918.3U CN221390871U (en) | 2023-12-25 | 2023-12-25 | Special combination tool for disassembling bearing inner ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221390871U true CN221390871U (en) | 2024-07-23 |
Family
ID=91918200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323537918.3U Active CN221390871U (en) | 2023-12-25 | 2023-12-25 | Special combination tool for disassembling bearing inner ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221390871U (en) |
-
2023
- 2023-12-25 CN CN202323537918.3U patent/CN221390871U/en active Active
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