CN216913702U - Extractor for turbojet engine bearing - Google Patents
Extractor for turbojet engine bearing Download PDFInfo
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- CN216913702U CN216913702U CN202220657380.6U CN202220657380U CN216913702U CN 216913702 U CN216913702 U CN 216913702U CN 202220657380 U CN202220657380 U CN 202220657380U CN 216913702 U CN216913702 U CN 216913702U
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- puller
- block
- extractor
- rod
- turbojet engine
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Abstract
The embodiment of the application provides a puller for a turbojet engine bearing, which comprises at least two puller locking blocks, wherein the puller locking blocks are provided with grooves, and the grooves of the puller locking blocks are clamped and matched with the edges of cushion blocks; one end of the puller pull rod is connected with the puller locking blocks, and each puller locking block is connected with at least one puller pull rod; the other end of the puller pull rod is connected with the puller pull block, and a threaded hole is formed in the puller pull block; the puller ejector rod is in threaded connection and matched in a threaded hole of the puller pulling block, the puller ejector rod is perpendicular to a plane defined by the puller locking block, and one end of the puller ejector rod is in contact fit with the end surface of the shaft; the stress application rod is arranged on one side, far away from the puller locking block, of the puller ejector rod. The extractor for the turbojet engine bearing provided by the embodiment of the application has the function of extracting the cushion block and the bearing inner ring together.
Description
Technical Field
The utility model relates to the technical field of aviation, in particular to a puller for a turbojet engine bearing.
Background
The tradition is used for extracting the bearing frock, generally is for general axle ware of pulling out, nevertheless to two half inner circles list radial thrust ball bearing, when dismantling, is that the subsection is dismantled, dismantles the first half of bearing earlier, and this part can be dismantled with general axle ware of pulling out, nevertheless still can leave over the bearing inner ring in the axle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a puller for a bearing of a turbojet engine, which is used for solving the technical problem that when a double-half inner ring single-row radial thrust ball bearing is pulled out by a traditional universal shaft puller, a bearing inner ring still remains in a shaft and cannot be completely pulled out.
In order to achieve the purpose, the utility model adopts the technical scheme that: there is provided an extractor for a turbojet engine bearing, the extractor for a turbojet engine bearing comprising:
the device comprises at least two puller locking blocks, wherein grooves are formed in the puller locking blocks, and the grooves of the puller locking blocks are clamped and matched with the edges of cushion blocks;
one end of the puller pull rod is connected with the puller locking blocks, and each puller locking block is connected with at least one puller pull rod;
the other end of the puller pull rod is connected with the puller pull block, and a threaded hole is formed in the puller pull block;
the puller ejector rod is in threaded connection and matched in the threaded hole of the puller pulling block, the puller ejector rod is perpendicular to a plane defined by the puller locking block, and one end of the puller ejector rod is in contact fit with the end surface of the shaft;
the stress application rod is arranged on one side, far away from the puller locking block, of the puller ejector rod.
In one embodiment, the extractor for the turbojet engine bearing comprises an extractor locating block, the extractor locating block is annular, the extractor locating block is sleeved outside the extractor locking block, and the extractor pull rod penetrates through the annular and is connected with the extractor locking block.
In one embodiment, the extractor for the turbojet engine bearing comprises an extractor top block, the extractor top block is arranged on an end face of the extractor ejector rod, the end face of the extractor top block is in contact fit with the end face of the shaft, and the area of the extractor top block in contact fit with the end face of the shaft is larger than the sectional area of the extractor ejector rod.
In one embodiment, the puller pulling rod is detachably connected with the puller pulling block and the puller locking block.
In one embodiment, the puller pull rod is hinged to the puller pull block.
In one embodiment, a central axis of the extractor ejector pin coincides with a central axis of the spacer.
One or more technical solutions described above in the embodiments of the present invention have at least the following technical effects or advantages:
according to the puller for the bearing of the turbojet engine, provided by the embodiment of the utility model, the edge of the cushion block is clamped by the puller locking block, then the puller ejector rod rotates and moves towards the bearing direction by rotating the stress application rod, the end part of the puller ejector rod is contacted with and props against the shaft tightly, so that the cushion block is subjected to the pulling force of the puller locking block, and the cushion block and the bearing (including the bearing inner ring) on the cushion block can be taken down from the shaft under the action of the pulling force, so that the technical problem that the bearing inner ring and the cushion block cannot be taken down by a traditional universal shaft puller is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an extractor for a turbojet engine bearing provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a bearing inner ring and a spacer to be pulled out;
fig. 3 is a schematic diagram of the extractor for the turbojet engine bearing according to the embodiment of the present invention during an extracting operation.
Wherein the respective reference numerals are as follows:
1. a stressing rod; 2. a puller ejector rod; 3. pulling the puller by a pull block; 4. a puller pull rod; 5. pulling out the ejector block; 6. a puller locating block; 7. a puller locking block; 8. a shaft; 9. cushion blocks; 10. and (4) an inner ring of the bearing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, an embodiment of the present application provides a puller for a turbojet engine bearing, including at least two puller locking blocks 7, a puller pull rod 4, a puller pull block 3, a puller push rod 2, and a stressing rod 1. Wherein, be provided with the recess on the puller latch segment 7, the recess and the 9 marginal joint cooperations of cushion of puller latch segment 7. One end of the puller pull rod 4 is connected with the puller locking blocks 7, and each puller locking block 7 is at least connected with one puller pull rod 4. The other end of the extractor pull block 3 and the extractor pull rod 4 are connected, and a threaded hole is formed in the extractor pull block 3. The puller ejector rod 2 is matched in a threaded hole of the puller pulling block 3 in a threaded connection mode, the puller ejector rod 2 is perpendicular to a plane enclosed by the puller locking block 7, and one end of the puller ejector rod 2 is in contact fit with the end face of the shaft. The forcing rod 1 is arranged on one side, far away from the puller locking block 7, of the puller ejector rod 2. According to the puller for the bearing of the turbojet engine, the edge of the cushion block 9 is clamped by the puller locking block 7, then the force applying rod 1 is rotated, the puller ejector rod 2 rotates and moves towards the bearing direction, the end part of the puller ejector rod 2 is in contact with and jacks the shaft 10, the cushion block 9 is subjected to the pulling force of the puller locking block 7 (the direction is parallel to the axis of the shaft 10 and points to the position of the puller pulling block 3), the cushion block 9 and the bearing (including the bearing inner ring 10) on the cushion block 9 can be taken off from the shaft under the action of the pulling force, and the technical problem that the bearing inner ring 10 and the cushion block 9 cannot be taken off by a traditional universal shaft puller is solved.
In one embodiment, the extractor for the turbojet engine bearing comprises an extractor locating block 6, the extractor locating block 6 is annular, the extractor locating block 6 is sleeved outside the extractor locking block 7, and the extractor pull rod 4 penetrates through the extractor locking block 7 and is annular and connected with the extractor locking block 7. As shown in fig. 1, the puller positioning ring is used for fixing the puller locking block 7, when the puller locking block 7 is placed, the puller locking block 7 can slide along the outer ring of the cushion block 9, and the puller positioning block 6 is needed to fix the puller locking block 7, so that the puller locking blocks are symmetrically placed, and the puller locking blocks are uniformly pulled out under stress when pulled out.
In one embodiment, the extractor for the bearing of the turbojet engine comprises an extractor top block 5, the extractor top block 5 is arranged on the end face of the extractor ejector rod 2, which is in contact fit with the end face of the shaft, and the area of the extractor top block 5, which is in contact fit with the end face of the shaft, is larger than the sectional area of the extractor ejector rod 2. Through set up puller ejector pad 5 on puller ejector pin 2 for the cooperation is more stable between puller ejector pin 2 and the axle, and reduces the pressure that puller ejector pin 2 gave the axle.
In one embodiment, the puller rod 4 is detachably connected with the puller pulling block 3 and the puller locking block 7. Optionally, puller pull rod 4 is arranged on puller pull block 3 through threaded connection, so that when the bearing is pulled out, puller locking block 7 can be matched with cushion block 9, then puller pull rod 4 is fixed on puller locking block 7 through threaded connection, and further puller locking block 7 is matched with cushion block 9. In one embodiment, the puller pull rod 4 is hinged to the puller pull block 3. The puller pulling rod 4 and the puller locking block 7 arranged at the end part of the puller pulling rod 4 can rotate around the puller pulling block 3 in a hinged mode so as to match the puller locking block 7 to the cushion block 9.
In one embodiment, the central axis of the extractor ejector rod 2 coincides with the central axis of the spacer 9. Through the coincidence of the axis with puller ejector pin 2 and the axis of cushion 9 for puller ejector pin 2 gives the power of axle and is in on the axis of axle, and then makes the pulling force that cushion 9 and bearing inner ring 10 received more even.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An extractor for a turbojet engine bearing, characterized in that it comprises:
the device comprises at least two puller locking blocks, wherein grooves are formed in the puller locking blocks, and the grooves of the puller locking blocks are clamped and matched with the edges of cushion blocks;
one end of the puller pull rod is connected with the puller locking blocks, and each puller locking block is connected with at least one puller pull rod;
the other end of the puller pull rod is connected with the puller pull block, and a threaded hole is formed in the puller pull block;
the puller ejector rod is in threaded connection and matched in the threaded hole of the puller pulling block, the puller ejector rod is perpendicular to a plane defined by the puller locking block, and one end of the puller ejector rod is in contact fit with the end surface of the shaft;
the stress application rod is arranged on one side, far away from the puller locking block, of the puller ejector rod.
2. The extractor for a turbojet engine bearing according to claim 1, wherein:
the puller for the turbojet engine bearing comprises a puller positioning block, the puller positioning block is annular, the puller positioning block is sleeved outside the puller locking block, and the puller pull rod penetrates through the puller positioning block and is annular and connected with the puller locking block.
3. The extractor for a turbojet engine bearing according to claim 1, wherein:
the extractor for the turbojet engine bearing comprises an extractor top block, the extractor top block is arranged on the extractor ejector rod and is in contact fit with the end face of the shaft end, and the contact fit area of the extractor top block and the end face of the shaft is larger than the sectional area of the extractor ejector rod.
4. The extractor for a turbojet engine bearing according to claim 1, wherein:
the puller pull rod is detachably connected with the puller pull block and the puller locking block.
5. The extractor for a turbojet engine bearing according to claim 1, wherein:
the puller pull rod is hinged to the puller pull block.
6. The extractor for a turbojet engine bearing according to claim 1, wherein:
and the central axis of the extractor ejector rod is superposed with the central axis of the cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220657380.6U CN216913702U (en) | 2022-03-23 | 2022-03-23 | Extractor for turbojet engine bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220657380.6U CN216913702U (en) | 2022-03-23 | 2022-03-23 | Extractor for turbojet engine bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216913702U true CN216913702U (en) | 2022-07-08 |
Family
ID=82228972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220657380.6U Active CN216913702U (en) | 2022-03-23 | 2022-03-23 | Extractor for turbojet engine bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216913702U (en) |
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2022
- 2022-03-23 CN CN202220657380.6U patent/CN216913702U/en active Active
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