CN213319889U - Bearing replacing device - Google Patents
Bearing replacing device Download PDFInfo
- Publication number
- CN213319889U CN213319889U CN202021709785.7U CN202021709785U CN213319889U CN 213319889 U CN213319889 U CN 213319889U CN 202021709785 U CN202021709785 U CN 202021709785U CN 213319889 U CN213319889 U CN 213319889U
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- bearing
- supporting plate
- ring
- hoisting mechanism
- stretching
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Abstract
The utility model discloses a bearing replacing device, wherein the bearing replacing device comprises a stretching mechanism, a hoisting mechanism and a supporting column; the stretching mechanism comprises a support plate and a plurality of stretching pieces detachably connected with the support plate, and the plurality of stretching pieces are arranged at intervals; the hoisting mechanism is detachably connected with the supporting plate and is arranged at intervals with the stretching piece; the supporting column is detachably connected with one side of the hoisting mechanism back to the supporting plate; the utility model discloses technical scheme carries out the nondestructive demolishment to the bearing, reduces the pollutant of demolising the in-process production.
Description
Technical Field
The utility model relates to a change instrument technical field, in particular to bearing replacement device.
Background
When a bearing of a fan generator in the related art is replaced, the bearing needs to be destructively cut and removed, but scrap iron generated in the cutting process by adopting the removing mode can pollute parts such as an internal winding of the generator.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bearing changes device aims at carrying out the nondestructive removal to the bearing, reduces the pollutant of demolising the in-process production.
In order to achieve the above object, the utility model provides a bearing replacement device, the bearing replacement device includes:
the stretching mechanism comprises a supporting plate and a plurality of stretching pieces detachably connected with the supporting plate, and the plurality of stretching pieces are arranged at intervals; the stretching piece is used for being matched and connected with an outer ring of the bearing;
the lifting mechanism is detachably connected with the supporting plate and is arranged at intervals with the stretching piece; the hoisting mechanism is used for driving the supporting plate to lift; and
the supporting column is detachably connected with one side of the hoisting mechanism, which is back to the supporting plate; the support column is used for being sleeved on an inner ring of the bearing.
In one embodiment, the supporting plate is provided with a plurality of screw holes arranged at intervals;
each of the tension members includes:
the bolt is rotatably connected with one screw hole and is arranged at intervals with the hoisting mechanism; and
the one end of drag hook with the bolt is close to hoisting mechanism's one end is articulated, the other end of drag hook is used for the outer lane joint with the bearing.
In one embodiment, each of the tension members further comprises a connecting bar, one end of the connecting bar is hinged to one end of the bolt adjacent to the hoisting mechanism, and the other end of the connecting bar is hinged to the draw hook.
In one embodiment, a limiting ring is arranged on one side of the supporting plate facing the hoisting mechanism, the hoisting mechanism is detachably connected with the supporting plate, and one end of the hoisting mechanism connected with the supporting plate is limited in the limiting ring.
In one embodiment, a convex ring is arranged on the side wall of one end of the supporting column, the convex ring extends around the periphery of the supporting column, and the supporting column penetrates through the inner ring of the bearing so that the convex ring is abutted against the end face of the bearing.
In one embodiment, the outer diameter of the raised ring is equal to the outer diameter of the inner ring of the bearing.
In one embodiment, the supporting column is provided with an elastic layer adjacent to the side wall of the convex ring, and the elastic layer is used for being in interference fit with the inner ring wall of the bearing.
In an embodiment, the bearing replacing device further comprises a base, and the base is detachably connected with one end, facing away from the hoisting mechanism, of the supporting column.
In one embodiment, the lifting mechanism is a hydraulic jack or a mechanical jack.
In one embodiment, the bearing replacing device further comprises a protective cylinder arranged around the supporting column and the hoisting mechanism; the protective cylinder is used for preventing parts of the bearing from flying out when the outer ring of the bearing is separated from the inner ring of the bearing.
The bearing replacing device of the technical proposal of the utility model comprises a stretching mechanism, a hoisting mechanism and a supporting column; the stretching mechanism comprises a support plate and a plurality of stretching pieces detachably connected with the support plate, and the plurality of stretching pieces are arranged at intervals; the hoisting mechanism is detachably connected with the supporting plate and is arranged at intervals with the stretching piece; the supporting column is detachably connected with one side of the hoisting mechanism back to the supporting plate; so set up, the outer lane that hoisting mechanism drive backup pad and tensile piece drove the bearing rises for the outer lane and the inner circle of bearing separate gradually, thereby reach and disassemble the outer lane of bearing from the inner circle of bearing, demolish the bearing in no destruction, reduce the pollutant of demolising the in-process production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the bearing replacing device of the present invention;
fig. 2 is a plan view of the support plate of the bearing replacing device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 1 | |
122 | |
|
| 11 | |
123 | Connecting |
|
| | Screw hole | 2 | |
|
| 111 | Spacing ring | 3 | |
|
| 12 | |
31 | Convex |
|
| 121 | Bolt | 4 | Base seat |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a bearing changes device.
In the embodiment of the present invention, referring to fig. 1 and 2, the bearing replacing apparatus includes a stretching mechanism 1, a hoisting mechanism 2, and a supporting column 3; the stretching mechanism 1 comprises a support plate 11 and a plurality of stretching pieces 12 detachably connected with the support plate 11, and the plurality of stretching pieces 12 are arranged at intervals; the stretching piece 12 is used for being matched and connected with the outer ring of the bearing; the hoisting mechanism 2 is detachably connected with the supporting plate 11 and is arranged at intervals with the stretching piece 12; the hoisting mechanism 2 is used for driving the supporting plate to lift; the supporting column 3 is detachably connected with one side of the hoisting mechanism 2 back to the supporting plate 11; the support column 3 is used for being sleeved on an inner ring of the bearing.
In this embodiment, the hoisting mechanism 2 includes a body and a movable member connected to the body in a lifting manner, one side of the body away from the movable member is detachably connected to the support column 3, and one end of the movable member away from the body is detachably connected to the support plate 11 and is spaced from the plurality of tension members 12; specifically, the periphery of the moving part is provided with a mounting plate, a first through hole is arranged on the mounting plate, a second through hole is correspondingly arranged on the support plate 11, and the first through hole and the second through hole are sequentially penetrated through by screws, so that the moving part of the hoisting mechanism 2 is detachably connected with the support plate 11; one side that the moving part was kept away from to the body is equipped with the mounting disc, and the mounting disc is equipped with a plurality of first connecting holes, and the protruding collar that is equipped with of periphery of support column 3 corresponds and is equipped with a plurality of second connecting holes, wears to establish first connecting hole and second connecting hole in proper order through the screw, and then realizes that hoisting mechanism 2's body is connected with dismantling of support column 3. In other embodiments, the body of the lifting mechanism 2 and the support column 3 may be connected by a snap fit. In one embodiment, the lifting mechanism 2 is a hydraulic jack or a mechanical jack.
When the bearing needs to be disassembled, the inner ring of the bearing is sleeved on the outer wall of the support pillar 3, so that the bearing is tightly connected with the support pillar 3; hoisting mechanism 2 restarts afterwards, hoisting mechanism 2's moving part removes this moment, after hoisting mechanism 2's body extension relatively, make the backup pad 11 relative support column 3 that is connected with the moving part rise, backup pad 11 drives a plurality of tensile pieces 12 and rises, and then utilize a plurality of tensile pieces 12 to drive the outer lane of bearing simultaneously also to rise, make the outer lane and the inner circle of bearing separate gradually, thereby reach and disassemble the outer lane of bearing from the inner circle of bearing, demolish the bearing without destruction, reduce the pollutant that produces among the demolishs the in-process.
The bearing replacing device of the technical proposal of the utility model comprises a stretching mechanism 1, a hoisting mechanism 2 and a support pillar 3; the stretching mechanism 1 comprises a support plate 11 and a plurality of stretching pieces 12 detachably connected with the support plate 11, and the plurality of stretching pieces 12 are arranged at intervals; the stretching piece 12 is used for being matched and connected with the outer ring of the bearing; the hoisting mechanism 2 is detachably connected with the supporting plate 11 and is arranged at intervals with the stretching piece 12; the supporting column 3 is detachably connected with one side of the hoisting mechanism 2 back to the supporting plate 11; so set up, the outer lane that hoisting mechanism 2 drive backup pad 11 and tensile piece 12 drove the bearing rises for the outer lane and the inner circle of bearing separate gradually, thereby reach and disassemble the outer lane of bearing from the inner circle of bearing, demolish the bearing in no destruction, reduce the pollutant of demolising the in-process production.
In an embodiment, referring to fig. 1 and 2, the supporting plate 11 is provided with a plurality of screw holes 11a arranged at intervals; each of the tension members 12 includes a bolt 121 and a hook 122; the bolt 121 is rotatably connected to one of the screw holes 11a and spaced apart from the lifting mechanism 2; one end of the draw hook 122 is hinged to one end of the bolt 121 adjacent to the hoisting mechanism 2, and the other end of the draw hook 122 is used for being clamped with an outer ring of a bearing.
In this embodiment, the hole wall of each screw hole 11a is provided with a thread, and the bolt 121 is rotatably connected to the screw hole 11 a; when the lifting mechanism 2 is extended, the bolt 121 can be screwed into the screw hole 11a to adjust the distance between the support plate 11 and the support column 3 precisely, so that the bearing can be removed more easily.
When the supporting plate 11 is driven by the lifting mechanism 2 to ascend, the supporting plate 11 drives the bolt 121 and the draw hook 122 to ascend simultaneously, and the part of the draw hook 122 matched with the outer ring of the bearing is in a hook shape, so that the draw hook 122 is matched with the outer ring of the bearing more tightly. And the draw hook 122 can move in the horizontal direction relative to the bolt 121, so that the drawing member 12 can draw the bearing with the outer diameter larger than that of the support plate 11, thereby enlarging the replacement range of the bearing replacement device.
In an embodiment, referring to fig. 1 and 2, each of the tension members 12 further includes a connecting bar 123, one end of the connecting bar 123 is hinged to one end of the bolt 121 adjacent to the lifting mechanism 2, and the other end of the connecting bar 123 is hinged to the pulling hook 122.
In this embodiment, each stretching member 12 includes two connecting bars 123, and two ends of the two connecting bars 123 are respectively hinged to the bolt 121 and the hook 122; with such an arrangement, when the bearing with a larger size needs to be removed, the draw hook 122 can also move in the horizontal direction relative to the bolt 121 by using the connecting strip 123, so that the replacement range of the bearing replacement device is enlarged.
In an embodiment, referring to fig. 1 and 2, a limiting ring 111 is disposed on a side of the supporting plate 11 facing the lifting mechanism 2, the lifting mechanism 2 is detachably connected to the supporting plate 11, and an end of the lifting mechanism 2 connected to the supporting plate 11 is limited in the limiting ring 111.
In this embodiment, the supporting plate 11 is a circular metal plate, the inner diameter of the limiting ring 111 is larger than the diameter of the moving part of the lifting mechanism 2, so that the moving part can be limited in the limiting ring 111 after extending out of the moving cavity of the lifting mechanism 2, so that the lifting mechanism 2 is not easy to shift or slide in the horizontal direction, and the lifting mechanism 2 can stably drive the supporting plate 11 to ascend, thereby improving the stability of bearing dismantling.
In one embodiment, referring to fig. 1 and 2, a side wall of one end of the supporting column 3 is provided with a convex ring 31, the convex ring 31 extends around the periphery of the supporting column 3, and the supporting column 3 penetrates through an inner ring of the bearing so that the convex ring 31 is abutted with an end face of the bearing. So set up, can penetrate the centre bore of the one end follow bearing that protruding circle 31 was kept away from to support column 3, utilize the terminal surface butt of protruding circle 31 and bearing for protruding circle 31 can prescribe a limit to the position of vertical direction to the inner circle of bearing, thereby when letting the outer lane of bearing driven the lift by tensioning member 12, the inner circle of bearing was difficult to break away from support column 3.
In one embodiment, referring to fig. 1 and 2, the outer diameter of the collar 31 is the same as the outer diameter of the inner race of the bearing. Namely, the convex ring 31 only abuts against the inner ring of the bearing and does not abut against the outer ring of the bearing; so set up, when hoisting mechanism 2 drive tensile piece 12 drives the outer lane of bearing rise, protruding circle 31 can not influence the outer lane of bearing and remove to when injecing the inner circle of bearing, can not influence the outer lane of bearing and remove.
In an embodiment, referring to fig. 1 and 2, the supporting column 3 is provided with an elastic layer adjacent to the side wall of the convex ring 31, and the elastic layer is used for being in interference fit with the inner ring wall of the bearing. In the embodiment, the elastic layer can be made of plastic or silicone with wear-resisting property; when the hoisting mechanism 2 drives the lifting device 12 to drive the outer ring of the bearing to ascend, the elastic layer of the support column 3 is in interference butt joint with the inner ring wall of the bearing, and the friction force between the outer wall of the support column 3 and the inner ring wall of the bearing is increased, so that the support column 3 is not easy to slide relative to the inner ring of the bearing, and the bearing replacing device can be guaranteed to smoothly dismantle the inner ring and the outer ring of the bearing.
In an embodiment, referring to fig. 1 and 2, the bearing replacing device further includes a base 4, and the base 4 is detachably connected to an end of the supporting column 3 facing away from the hoisting mechanism 2. In this embodiment, the weight of base 4 is greater than the weight of support column 3, and base 4 is equipped with the erection column towards the protruding one side of support column 3, and support column 3 is equipped with the mounting hole towards the concave one side of base 4, and the erection column rotatably connects in the mounting hole, realizes that base 4 and support column 3 can dismantle and be connected. So set up, base 4 makes support column 3 be difficult to askew at hoisting mechanism 2 extension in-process, guarantees the stability of whole bearing change device.
In an embodiment, referring to fig. 1 and 2, the bearing changing apparatus further includes a protective cylinder disposed around the support column 3 and the lifting mechanism 2; the protective cylinder is used for preventing parts of the bearing from flying out when the outer ring of the bearing is separated from the inner ring of the bearing. With the arrangement, the other parts of the bearing are prevented from flying out by the protection barrel, so that an operator is protected from being accidentally injured by the flying-out parts.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A bearing changing apparatus, comprising:
the stretching mechanism comprises a supporting plate and a plurality of stretching pieces detachably connected with the supporting plate, and the plurality of stretching pieces are arranged at intervals; the stretching piece is used for being matched and connected with an outer ring of the bearing;
the hoisting mechanism is detachably connected with the supporting plate and is arranged at intervals with the stretching piece; the hoisting mechanism is used for driving the supporting plate to lift; and
the supporting column is detachably connected with one side of the hoisting mechanism, which is back to the supporting plate; the support column is used for being sleeved on an inner ring of the bearing.
2. The bearing changing apparatus as claimed in claim 1, wherein the support plate is provided with a plurality of screw holes arranged at intervals;
each of the tension members includes:
the bolt is rotatably connected with one screw hole and is arranged at intervals with the hoisting mechanism; and
the one end of drag hook with the bolt is close to hoisting mechanism's one end is articulated, the other end of drag hook is used for the outer lane joint with the bearing.
3. The bearing changing apparatus as claimed in claim 2, wherein each of the tension members further comprises a connecting bar, one end of the connecting bar is hinged to one end of the bolt adjacent to the lifting mechanism, and the other end of the connecting bar is hinged to the hook.
4. The bearing replacing apparatus as claimed in claim 3, wherein a retaining ring is provided on a side of the supporting plate facing the lifting mechanism, the lifting mechanism is detachably connected to the supporting plate, and an end of the lifting mechanism connected to the supporting plate is retained in the retaining ring.
5. The bearing changing apparatus according to claim 4, wherein a side wall of one end of the support post is provided with a convex ring, the convex ring is arranged around a periphery of the support post, and the support post passes through an inner ring of the bearing so that the convex ring abuts against an end face of the bearing.
6. A bearing changing apparatus according to claim 5, wherein an outer diameter of the male ring is equal to an outer diameter of an inner ring of the bearing.
7. A bearing change device according to claim 6 wherein the support post is provided with a resilient layer adjacent the collar side wall, the resilient layer being adapted to have an interference fit with the inner race wall of the bearing.
8. The bearing changing apparatus as claimed in claim 7, further comprising a base detachably connected to an end of the support column facing away from the lifting mechanism.
9. Bearing changing apparatus according to any of claims 1 to 8, wherein the lifting mechanism is a hydraulic or mechanical jack.
10. The bearing changing apparatus according to any one of claims 1 to 8, further comprising a protective cylinder disposed around the support column and the hoisting mechanism; the protective cylinder is used for preventing parts of the bearing from flying out when the outer ring of the bearing is separated from the inner ring of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709785.7U CN213319889U (en) | 2020-08-14 | 2020-08-14 | Bearing replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021709785.7U CN213319889U (en) | 2020-08-14 | 2020-08-14 | Bearing replacing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213319889U true CN213319889U (en) | 2021-06-01 |
Family
ID=76096936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021709785.7U Active CN213319889U (en) | 2020-08-14 | 2020-08-14 | Bearing replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213319889U (en) |
-
2020
- 2020-08-14 CN CN202021709785.7U patent/CN213319889U/en active Active
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