CN210210230U - Bearing outer ring dismounting device - Google Patents
Bearing outer ring dismounting device Download PDFInfo
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- CN210210230U CN210210230U CN201920573437.2U CN201920573437U CN210210230U CN 210210230 U CN210210230 U CN 210210230U CN 201920573437 U CN201920573437 U CN 201920573437U CN 210210230 U CN210210230 U CN 210210230U
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- outer ring
- bearing outer
- hole
- adjusting column
- dismounting device
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Abstract
The utility model relates to a bearing outer loop dismounting device, include: a base (6) provided with a through hole (61); at least two clamping jaws (9) which are connected to one end of the base (6) and are arranged at intervals along the circumferential direction of the through hole (61), and the clamping jaws (9) can be arranged in a swinging manner along the radial direction of the through hole (61); the adjusting column (5) penetrates through the through hole (61) along the axial direction, and the installation position along the axial direction of the through hole (61) is adjustable; when the adjusting column (5) moves axially to release the limit of the clamping jaw (9), the clamping jaw (9) swings inwards to enable the dismounting device to extend into an inner hole of the bearing outer ring (1); when the adjusting column (5) moves reversely along the axial direction to be matched with the clamping jaws (9), the clamping jaws (9) swing outwards to hook the end face, far away from the withdrawing side, of the bearing outer ring (1), so that the bearing outer ring (1) is disassembled by pulling the adjusting column (5) outwards. The device can make the disassembly of the bearing outer ring easier, and the bearing outer ring can not be damaged.
Description
Technical Field
The utility model relates to a frock technical field especially relates to a bearing outer loop dismounting device.
Background
The outer ring of a five-fulcrum bearing of the aero-engine is arranged in a bearing support seat of a turbine rear casing, an inner ring is sleeved on a low-pressure shaft of the engine, the outer ring and the bearing support seat are in interference fit, in order to prevent relative rotation between the outer ring and a bearing mounting seat in the working process, an anti-rotation boss is arranged at the end part of the outer ring of the five-fulcrum bearing, and an anti-rotation groove is formed in the bearing mounting seat. Referring to fig. 1, the radial height difference H between the outer ring and the bearing support seat is smaller than 1mm, and the outer ring and the bearing support seat are in interference fit, so that the bearing outer ring is difficult to decompose.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a bearing outer loop dismounting device can make things convenient for the dismantlement of bearing outer loop.
In order to achieve the above object, an embodiment of the utility model provides a bearing outer loop dismounting device, include:
a base provided with a through hole;
the clamping jaws are connected to one end of the base and arranged at intervals along the circumferential direction of the through hole, and the clamping jaws can be arranged in a swinging mode along the radial direction of the through hole; and
the adjusting column axially penetrates through the through hole, and the mounting position along the axial direction of the through hole is adjustable;
when the adjusting column moves axially to relieve the limit of the clamping jaws, the clamping jaws swing inwards to enable the dismounting device to extend into an inner hole of the bearing outer ring; when the adjusting column moves reversely along the axial direction to be matched with the clamping jaws, the clamping jaws swing outwards to hook the end face, far away from the withdrawing side, of the bearing outer ring, so that the bearing outer ring is detached by pulling the adjusting column outwards.
In some embodiments, the end of the adjustment post proximate the pawl has a tapered section with an outer diameter that decreases in size in a direction toward the free end.
In some embodiments, the adjustment post is circular in cross-section and the tapered section is conical.
In some embodiments, the radially inner side of the jaws is adapted to the shape of the outer wall of the tapered section.
In some embodiments, at least part of the length of the through hole that mates with the adjustment post is threaded.
In some embodiments, the end of the adjustment post remote from the pawl is provided with a thrust segment for limiting the extreme displacement of the adjustment post towards the direction of approaching the pawl.
In some embodiments, the bearing outer ring dismounting device further comprises a positioning ring, the positioning ring is sleeved on the outer wall of the base, and the outer wall surface of the positioning ring is matched with the inner hole of the bearing outer ring.
In some embodiments, the bearing outer ring is installed in an installation hole of the bearing support seat, one end of the installation hole is provided with a thrust table for axially limiting the bearing outer ring, one end of the bearing outer ring is provided with an anti-rotation boss, the thrust table is provided with an anti-rotation groove, and the anti-rotation boss is embedded into the anti-rotation groove;
the jack catch includes: the main body part is connected to one end of the base in a swinging mode, and the protruding part is connected to the outer side face along the radial direction of the main body part and used for hooking the outer end face of the anti-rotation boss when the bearing outer ring is detached.
In some embodiments, the bearing outer ring dismounting device further comprises a positioning ring, the positioning ring is sleeved on the outer wall of the base, and the outer side face of the positioning ring is matched with the inner hole of the bearing outer ring;
and under the state that the convex part hooks the outer end face of the anti-rotation boss, the radial outer side face of the main body part is matched with an inner hole of the bearing outer ring.
In some embodiments, the bearing outer ring dismounting device further comprises a pulling part, wherein the pulling part is connected with one end of the adjusting column far away from the clamping jaw and is used for transmitting external force to the adjusting column to pull out the bearing outer ring.
In some embodiments, the pulling member includes a force application rod and a sliding member, the force application rod includes a connecting section, a supporting section and a blocking section which are sequentially connected along an axial direction, the connecting section is connected with one end of the adjusting column away from the clamping jaw, the sliding member is slidably sleeved on the supporting section along the axial direction, and an outer diameter of the blocking section is larger than that of the supporting section.
Based on the technical scheme, the bearing outer ring dismounting device provided by the embodiment of the utility model has the advantages that when the adjusting column moves axially to the position where the limit of the clamping jaw is released, the clamping jaw swings inwards along the radial direction, so that the dismounting device extends into the inner hole of the bearing outer ring; when the adjusting column moves reversely along the axial direction to be matched with the clamping jaws, the clamping jaws swing outwards along the radial direction to hook the end face of the bearing outer ring far away from the withdrawing side, so that the bearing outer ring is detached by applying external force to the adjusting column. The device has the advantages of simple structure and convenient use, can conveniently detach the bearing outer ring, and can also prevent the bearing outer ring from being damaged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is an outer ring installation cross-sectional view of a five-pivot bearing in an aircraft engine;
FIG. 2 is an outer ring mounting perspective view of a five-pivot bearing in an aircraft engine;
FIG. 3 is a schematic structural view of the bearing outer ring dismounting device of the present invention for dismounting the five-fulcrum bearing outer ring;
fig. 4 is a schematic structural diagram of an embodiment of the bearing outer ring dismounting device of the present invention;
fig. 5 is a cross-sectional view of an embodiment of the bearing outer ring dismounting device of the present invention.
Description of the reference numerals
1. A bearing outer ring; 11. an anti-rotation boss; 2. a bearing support seat; 21. a thrust table; 22. an anti-rotation slot; 3. a turbine rear case; 4. a pulling member; 41. a connecting section; 42. a nut; 43. a support section; 44. a blocking section; 45. an extension section; 46. a slider; 5. an adjustment column; 51. a thrust section; 52. a main body section; 53. a tapered section; 54. blind holes; 55. a window; 6. a base; 61. a through hole; 7. a positioning ring; 8. a hinged seat; 9. a claw; 91. a main body portion; 92. a projection.
Detailed Description
The present invention will be described in detail below. In the following paragraphs, different aspects of the embodiments are defined in more detail. Aspects so defined may be combined with any other aspect or aspects unless clearly indicated to the contrary. In particular, any feature considered to be preferred or advantageous may be combined with one or more other features considered to be preferred or advantageous.
The terms "first", "second", and the like in the present invention are used for convenience of description only to distinguish different constituent elements having the same name, and do not indicate a sequential or primary-secondary relationship.
In the description of the present invention, the directions or positional relationships indicated by "upper", "lower", "top", "bottom", "front", "rear", "inner" and "outer" are used as the directions or positional relationships indicated by the drawings, and are only for convenience of description of the present invention, and it is not intended to indicate or imply that the device indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention. The terms "axial", "radial" and "circumferential" as referred to in the subsequent embodiments are defined with reference to the bearing outer ring.
As shown in fig. 1 to 5, the present invention provides a bearing outer ring dismounting device, which in some embodiments comprises: the adjusting device comprises a base 6, an adjusting column 5 and at least two clamping claws 9, wherein the base 6 is provided with a through hole 61, the base 6 can adopt a cylindrical or prismatic structure, and the through hole 61 can adopt a round hole or square hole structure. Each jaw 9 is connected to one end of the base 6 along the axial direction and is arranged at intervals along the circumferential direction of the through hole 61, for example, each jaw 9 is uniformly arranged to provide uniform extraction force in the circumferential direction when the bearing outer ring 1 is detached, so as to prevent the bearing outer ring 1 from tilting, the jaws 9 are arranged in the radial direction of the through hole 61 in a swinging manner, for example, one end of each jaw 9 is hinged to the end of the base 6, and the other end of each jaw 9 can swing in a plane where the jaw 9 is located and passes through the axis of the through hole 61. The adjusting column 5 penetrates through the through hole 61 along the axial direction, the mounting position along the axial direction of the through hole 61 is adjustable, after the adjusting column 5 changes the position, the adjusting column 5 and the base 6 are relatively fixed, and the adjusting column 5 is matched with the through hole 61 in shape, so that the adjusting column 5 can adjust the axial position in the through hole 61 in a sliding or rotating mode.
When the adjusting column 5 moves axially to release the limit of the clamping jaws 9, the clamping jaws 9 swing inwards along the radial direction, so that the dismounting device extends into an inner hole of the bearing outer ring 1; when the adjusting column 5 moves reversely in the axial direction to be matched with the clamping jaws 9, the clamping jaws 9 swing outwards in the radial direction to hook the end face of the bearing outer ring 1 far away from the withdrawing side, so that the bearing outer ring 1 is detached by pulling the adjusting column 5 outwards.
Referring to fig. 3, the bearing outer ring 1 is installed in the installation hole of the bearing support seat 2, when the adjusting column 5 moves towards the direction far away from the claws 9, each claw 9 uniformly contracts inwards, so that the maximum profile diameter of the claw 9 is smaller than the inner diameter of the bearing outer ring 1, and a disassembling tool can extend into the inner hole of the bearing outer ring 1 from the front end.
One end of the mounting hole of the bearing support seat 2 is provided with a thrust table 21 for axially limiting the bearing outer ring 1. As shown in fig. 1, the inner diameter of the thrust stop 21 is larger than the inner diameter of the bearing outer ring 1. When the adjusting columns 5 move towards the direction close to the clamping jaws 9, each clamping jaw 9 uniformly expands outwards to hook the part of the end part of the bearing outer ring 1 exposed out of the thrust table 21 under the action of the adjusting columns 5, so that the bearing outer ring 1 is pulled out by applying an outwards acting force to the adjusting columns 5.
As shown in fig. 1, in order to prevent the bearing from rotating in the mounting hole of the bearing support base 2 during operation, one end of the bearing outer ring 1 is provided with an anti-rotation boss 11, for example, one, two or more anti-rotation bosses 11, and the anti-rotation boss 11 protrudes outward in the axial direction relative to the end of the bearing outer ring 1. Correspondingly, the anti-rotation slot 22 is arranged on the anti-rotation platform 21, and the anti-rotation boss 11 is embedded into the anti-rotation slot 22. With the structure, the claw 9 can be hooked at the end part of the anti-rotation boss 11, and the anti-rotation boss 11 is used as a force application part for disassembling the bearing outer ring 1, so that the force application area of the force application part can be increased.
The dismounting device is simple in structure and convenient to use, the bearing outer ring 1 can be conveniently dismounted from the mounting hole of the bearing support seat 2, and the bearing outer ring can be prevented from being damaged.
As shown in fig. 3, the end of the adjusting stud 5 close to the catch 9 has a tapered section 53, the outer diameter of the tapered section 53 decreasing in size towards the free end. When the adjusting column 5 moves in the axial direction, the jaws 9 can be driven to swing by the tapered section 53. For example, the adjusting column 5 has a circular cross section, and the tapered section 53 has a conical shape, so that the jaws 9 are driven to swing through a conical surface, or a cut-off plane can be arranged on the conical surface to drive the jaws 9 to swing. Alternatively, the adjusting column 5 can be a prism, and the tapered section 53 is pyramid-shaped, so that the jaw 9 is driven to swing through the plane of the pyramid.
Preferably, still referring to fig. 3, the radially inner side of the jaws 9 is adapted to the shape of the outer wall of the tapered section 53. When the adjusting column 5 moves towards the direction far away from the claws 9, each claw 9 can gradually retract inwards; when adjusting post 5 and moving towards the direction that is close to jack catch 9, can drive each jack catch 9 and outwards expand gradually, make jack catch 9 catch on the tip of bearing outer ring 1 accurately to exert stable effort to jack catch 9 through the cooperation of convergent section 53 and jack catch 9 medial surface, guarantee jack catch 9 and bearing outer ring 1 tip reliable contact, thereby make the bearing outer ring dismantle smoothly.
As shown in fig. 3, at least a part of the length of the through hole 61 engaged with the adjusting column 5 is connected by a screw thread, and the length of the screw thread is not less than the maximum moving range required by the adjusting column 5. The threaded connection is adopted, so that the movement adjustment of the adjusting column 5 can be conveniently realized, and the adjusting column 5 can be kept still relative to the base 6 after the adjustment.
Further, the end of the adjusting column 5 remote from the jaw 9 is provided with a thrust segment 51 for limiting the extreme displacement of the adjusting column 5 towards the jaw 9. When the adjusting column 5 moves to the limit position towards the direction close to the clamping jaw 9, the end part of the base 6 can abut against the clamping jaw 9 on the thrust section 51 and just hook the end part of the bearing outer ring 1; in the embodiment where the end of the bearing outer ring 1 is provided with the anti-rotation boss 11, the claw 9 just hooks the end of the anti-rotation boss 11. The thrust section 51 can prevent the clamping jaw 9 from excessively pressing the end part of the bearing outer ring 1 due to the excessive movement of the adjusting column 5, so that the bearing outer ring 1 is prevented from being damaged.
Specifically, as shown in fig. 5, the adjusting post 5 includes a thrust section 51, a main body section 52 and a tapered section 53 connected in sequence along the axial direction, and a thread may be provided on the outer wall of the main body section 52 near the thrust section 51 to facilitate the threaded section of the through hole 61 of the base 6 to be engaged.
As shown in fig. 3, a blind hole 54 is formed at one end of the adjusting column 5 close to the jaw 9, and a window 55, for example, three fan-shaped windows, is formed on a wall between the bottom of the blind hole 54 and the end of the adjusting column 5 far from the jaw 9, so as to insert an endoscope into the window 55 to observe whether the jaw 9 is hooked in place, for example, the end of the anti-rotation boss 11 is hooked. Furthermore, by providing the blind hole 54 and the window 55, the weight of the adjustment post 5 can also be reduced.
In some embodiments, as shown in fig. 3, the dismounting device further comprises a positioning ring 7, the positioning ring 7 is sleeved on the outer wall of the base 6, and the outer wall surface of the positioning ring 7 is matched with the inner hole of the bearing outer ring 1. In order to limit the positioning ring 7, one end of the base 6 close to the claw 9 is provided with a clamping table, and the positioning ring 7 is contacted with the clamping table. Through setting up holding ring 7, play the centering effect, guarantee that the bearing decomposes the axis that the instrument is unanimous with bearing outer ring 1 to make bearing outer ring 1 pull down smoothly, prevent to draw the bearing outer ring to lead to unable decomposition.
As shown in fig. 3, the bearing outer ring 1 is installed in the installation hole of the bearing support seat 2, one end of the installation hole is provided with a thrust table 21 for axially limiting the bearing outer ring 1, one end of the bearing outer ring 1 is provided with an anti-rotation boss 11, the thrust table 21 is provided with an anti-rotation groove 22, and the anti-rotation boss 11 is embedded into the anti-rotation groove 22. As shown in fig. 4, the pawl 9 includes: a main body part 91 and a convex part 92, wherein the main body part 91 is connected to one end of the base 6 in a swinging way, for example, the end part of the base 6 is provided with a hinged seat 8, the clamping jaw 9 is connected to the hinged seat 8, and the rotating shaft is arranged along the tangential direction of the adjusting column 5; the projecting portion 92 is connected to an outer side surface in the radial direction on the main body portion 91, and is used for aligning with the rotation preventing boss 11 in the circumferential direction when the bearing outer ring 1 is dismounted, and hooking an outer end face of the rotation preventing boss 11.
As shown in fig. 3, the dismounting device further comprises a positioning ring 7, the positioning ring 7 is sleeved on the outer wall of the base 6, the outer side surface of the positioning ring 7 is matched with the inner hole of the bearing outer ring 1, and preferably, the positioning ring 7 can be located at the end position of the bearing outer ring 1 which is far away from the thrust platform 21 along the axial direction; in a state where the projecting portion 92 catches on the outer end face of the rotation preventing boss 11, the radially outer side face of the main body portion 91 is fitted to the inner hole of the bearing outer ring 1. The dismounting device and the bearing outer ring 1 adopt a double-section supporting structure, good concentricity can be guaranteed, the bearing outer ring cannot be pulled to be deviated in the decomposing process to cause incapability of decomposing, and external force required for pulling out the bearing outer ring 1 is reduced.
As shown in fig. 3 and 4, the dismounting device further comprises a pulling member 4, wherein the pulling member 4 is connected with one end of the adjusting column 5 far away from the claw 9 and is used for transmitting external force to the adjusting column 5 to pull out the bearing outer ring 1. By providing the pulling member 4, it is facilitated to apply an external force to pull out the bearing outer ring 1. For example, the pulling member 4 may have a slide hammer structure, and the bearing outer ring 1 may be pulled out from the bearing support base 2 without damage by an inertial force during sliding by repeatedly pulling the slide hammer structure.
As shown in fig. 5, the pulling member 4 includes: a force application rod and a sliding piece 46, wherein the force application rod comprises a connecting section 41, a supporting section 43 and a blocking section 44 which are connected in sequence. The connecting section 41 is connected with one end of the adjusting column 5 far away from the clamping jaw 9, for example, a blind hole 54 is formed in one end of the adjusting column 5 close to the clamping jaw 9, a threaded hole is formed in the bottom of the blind hole 54, the connecting section 41 is a screw rod, the screw rod is matched with the threaded hole, a nut 42 is arranged at the position, located at the end of the adjusting column 5, of the connecting section 41, and the nut 42 is in contact locking with the end of the adjusting column 5; the outer diameter of the blocking section 44 is larger than that of the supporting section 43, the supporting section 43 is of a polished rod structure, the sliding piece 46 is sleeved on the supporting section 43 in a sliding mode along the axial direction, so that the bearing outer ring 1 is pulled out through the inertia force impacting on the blocking section 44 during sliding, and the length of the supporting section 43 can be designed according to the inertia force required to be applied. The slider 46 may be designed as a handle-like structure with a concave surface for easy gripping by an operator. Further, an extension 45 is connected to the outer end of the blocking section 44 to assist in holding the extension 45 during operation of the slider 46.
The dismounting device of the above embodiment can dismount various types of bearing outer rings, and the corresponding dismounting device can be designed according to the size of the bearing outer ring 1. Preferably, can be the bearing on the aeroengine, because the bearing size on the aeroengine is great, need exert great power and just can dismantle, adopt the utility model discloses a removal tool can swiftly conveniently pull down bearing outer ring 1 to prevent that bearing outer ring 1 from receiving the damage. For example, the bearing includes five fulcrum bearings, and its bearing outer ring 1 is installed in the bearing support seat 2 of casing 3 behind the turbine, and the inner ring cover is established at engine low pressure epaxially, when five fulcrum bearings are dismantled to needs, can pull down bearing inner ring and roller earlier, adopt again the utility model discloses a dismounting device pulls down bearing outer ring 1.
It is right above the utility model provides a bearing outer loop dismounting device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to aid in understanding the methods and their core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (11)
1. A bearing outer ring dismounting device is characterized by comprising:
a base (6) provided with a through hole (61);
at least two clamping jaws (9) connected to one end of the base (6) and arranged at intervals along the circumferential direction of the through hole (61), wherein the clamping jaws (9) are arranged in a swinging manner along the radial direction of the through hole (61); and
the adjusting column (5) axially penetrates through the through hole (61), and the mounting position of the adjusting column along the axial direction of the through hole (61) is adjustable;
when the adjusting column (5) moves to the position where the limit of the clamping jaw (9) is released along the axial direction, the clamping jaw (9) swings inwards, so that the dismounting device extends into an inner hole of the bearing outer ring (1); when the adjusting column (5) moves reversely along the axial direction to be matched with the clamping jaws (9), the clamping jaws (9) swing outwards to hook the end face, far away from the withdrawing side, of the bearing outer ring (1), so that the bearing outer ring (1) is detached by pulling the adjusting column (5) outwards.
2. The bearing outer ring dismounting device according to claim 1, characterized in that the end of the adjusting stud (5) near the jaw (9) has a tapered section (53), the outer diameter dimension of the tapered section (53) gradually decreases towards the direction of the free end.
3. Bearing outer ring dismounting device according to claim 2, characterized in that the adjusting stud (5) is circular in cross-section and the tapered section (53) is conical.
4. Bearing outer ring removal device according to claim 2, characterized in that the jaws (9) are adapted to the shape of the outer wall of the tapered section (53) along the radially inner side.
5. The bearing outer ring dismounting device according to claim 1, characterized in that at least part of the length of the through hole (61) engaged with the adjusting column (5) is threaded.
6. The bearing outer ring dismounting device according to claim 1, characterized in that the end of the adjusting column (5) away from the jaw (9) is provided with a thrust segment (51) for limiting the extreme displacement of the adjusting column (5) towards the jaw (9).
7. The bearing outer ring dismounting device according to claim 1, further comprising a positioning ring (7), wherein the positioning ring (7) is sleeved on the outer wall of the base (6), and the outer wall surface of the positioning ring (7) is matched with the inner hole of the bearing outer ring (1).
8. The bearing outer ring dismounting device according to claim 1, wherein the bearing outer ring (1) is mounted in a mounting hole of a bearing support seat (2), a thrust table (21) is arranged at one end of the mounting hole and used for axially limiting the bearing outer ring (1), an anti-rotation boss (11) is arranged at one end of the bearing outer ring (1), an anti-rotation groove (22) is arranged on the thrust table (21), and the anti-rotation boss (11) is embedded in the anti-rotation groove (22);
the jaw (9) comprises: the bearing outer ring comprises a main body part (91) and a protruding part (92), wherein the main body part (91) is connected to one end of the base (6) in a swinging mode, the protruding part (92) is connected to the edge of the main body part (91) on the radial outer side face and used for hooking the outer end face of the anti-rotation boss (11) when the bearing outer ring (1) is disassembled.
9. The bearing outer ring dismounting device according to claim 8, further comprising a positioning ring (7), wherein the positioning ring (7) is sleeved on the outer wall of the base (6), and the outer side surface of the positioning ring (7) is matched with the inner hole of the bearing outer ring (1);
and under the condition that the protruding part (92) hooks the outer end face of the anti-rotation boss (11), the main body part (91) is matched with an inner hole of the bearing outer ring (1) along the radial outer side face.
10. The bearing outer ring dismounting device according to claim 1, further comprising a pulling member (4), wherein the pulling member (4) is connected with an end of the adjusting column (5) away from the jaw (9) for transmitting an external force to the adjusting column (5) to pull out the bearing outer ring (1).
11. The bearing outer ring dismounting device according to claim 10, characterized in that the pulling member (4) comprises a force application rod and a sliding member (46), the force application rod comprises a connecting section (41), a supporting section (43) and a blocking section (44) which are sequentially connected along an axial direction, the connecting section (41) is connected with one end of the adjusting column (5) far away from the clamping jaw (9), the sliding member (46) is sleeved on the supporting section (43) in an axially slidable manner, and the outer diameter of the blocking section (44) is larger than that of the supporting section (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573437.2U CN210210230U (en) | 2019-04-25 | 2019-04-25 | Bearing outer ring dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573437.2U CN210210230U (en) | 2019-04-25 | 2019-04-25 | Bearing outer ring dismounting device |
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| Publication Number | Publication Date |
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| CN210210230U true CN210210230U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920573437.2U Active CN210210230U (en) | 2019-04-25 | 2019-04-25 | Bearing outer ring dismounting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352275A (en) * | 2021-06-24 | 2021-09-07 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
| CN114952702A (en) * | 2021-02-19 | 2022-08-30 | 中国航发商用航空发动机有限责任公司 | Tool and method for disassembling and assembling parts with large tightness in inner cavity |
-
2019
- 2019-04-25 CN CN201920573437.2U patent/CN210210230U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952702A (en) * | 2021-02-19 | 2022-08-30 | 中国航发商用航空发动机有限责任公司 | Tool and method for disassembling and assembling parts with large tightness in inner cavity |
| CN114952702B (en) * | 2021-02-19 | 2023-12-22 | 中国航发商用航空发动机有限责任公司 | Inner cavity high-tightness part dismounting tool and inner cavity high-tightness part dismounting method |
| CN113352275A (en) * | 2021-06-24 | 2021-09-07 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
| CN113352275B (en) * | 2021-06-24 | 2022-09-02 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
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