CN212653371U - Auxiliary assembling tool for rear stator - Google Patents
Auxiliary assembling tool for rear stator Download PDFInfo
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- CN212653371U CN212653371U CN202021208261.XU CN202021208261U CN212653371U CN 212653371 U CN212653371 U CN 212653371U CN 202021208261 U CN202021208261 U CN 202021208261U CN 212653371 U CN212653371 U CN 212653371U
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Abstract
The auxiliary assembling tool for the rear stator is an outer bracket which is respectively arranged on at least two opposite sides of the rotor and respectively provides a supporting platform; inner supports are respectively arranged on the inner sides of the supporting platforms and are used for supporting the inner casing of the rear stator; the outer side of each supporting platform is respectively provided with a guide rod, and a plurality of guide rod holes are formed in the height direction; a bracket provided on each support platform for supporting the rear stator outer casing, provided to be guided by the guide bar to move, and having a bracket hole; and a pin inserted into the bracket hole and the guide bar hole aligned with the bracket hole to position the bracket on the guide bar. This back stator appurtenance can step-by-step support back stator machine casket and finely tune it, has saved the manpower and has reduced the collision and grinding risk among the rotor-stator assembling process.
Description
Technical Field
The utility model relates to an aeroengine assembly field, the assembly of stator cell cube around concretely relates to engine.
Background
The high-pressure compressor unit body of the aircraft engine is generally composed of three sub-unit bodies of a rotor, a front stator and a rear stator. When the high-pressure compressor is assembled, after the rotor is assembled, the rear stator is assembled by taking the auxiliary assembling tool of the rear stator as a support.
When the rear stator unit body is assembled, the assembly of all levels of casings of the inner layer of the rear stator is firstly completed, then the assembly of the outer casing is completed, and attention needs to be paid to leading out the test line of the inner casing through the outer casing in the assembly process. The assembly of the rotor and the stator of the engine needs higher precision, so that the auxiliary assembling tool of the rear stator needs higher precision requirement and processing requirement, otherwise, the rotor can be collided and ground in the assembling process, and the rotor of the engine is damaged. The auxiliary assembling tool for the rear stator of the traditional aero-engine is high in processing difficulty, single in function, high in required human participation degree and large in risk of damage to the engine during assembly if the processing precision is not in place. For example, the conventional auxiliary assembling tool for the rear stator has an integral structure, only has the function of assisting in positioning and supporting the inner casing of the rear stator, and has no operation or simple support on the outer casing, so that an operator needs to lift the outer casing by hand all the time when the outer casing is assembled, and then other personnel lead out a test line of the inner casing from the outer casing through the inner casing, which causes a series of problems of manpower resource waste, complicated operation, low efficiency and the like. Meanwhile, the inner machine box assembling position determines the difficulty degree of assembling the front stator and the axial measuring precision of the rotor stator. Therefore, a further improvement is required for the post-stator auxiliary fitting tool.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a back stator assists assembly tool.
The auxiliary assembling tool for the rear stator for achieving the purpose comprises outer supports which are respectively arranged on at least two opposite sides of a rotor and respectively provide a supporting platform; the inner supports are respectively arranged on the inner sides of the supporting platforms and are used for supporting the inner casing of the rear stator; the guide rods are respectively arranged on the outer sides of the supporting platforms, and a plurality of guide rod holes are formed in the height direction; a bracket provided on each of the support platforms, for holding a rear stator outer casing, provided to be guided by the guide bar to move, and having a bracket hole; and a pin inserted into the bracket hole and the guide bar hole aligned with the bracket hole to position the bracket on the guide bar.
The inner support is provided with a plurality of inner support connecting holes and adjusting internal thread holes, the inner side of the supporting platform is provided with a plurality of platform connecting holes, the inner support connecting holes are aligned with the platform connecting holes so that fasteners can penetrate through the inner support to fix the inner support on the supporting platform, the adjusting internal thread holes are in threaded connection with adjusting bolts, and the adjusting bolts abut against the supporting platform and perform threaded transmission with the adjusting internal thread holes.
The top end of the guide rod is provided with an adjusting bolt, the bracket is provided with a threaded hole, the guide rod is provided with a long guide rod hole, a bolt is inserted into the bracket hole and the long guide rod hole, and the adjusting bolt is connected with the threaded hole to perform thread transmission.
The two guide rods are arranged on each supporting platform, the bracket is provided with two guide sleeves, the two guide rods slide through the two guide sleeves in a sleeved mode, and the guide sleeves are provided with bracket holes.
The bracket is provided with a lifting handle.
The auxiliary assembling tool for the rear stator provides a supporting platform through the outer supports arranged on at least two opposite sides of the rotor respectively to support the outer casing of the rear stator, and the outer casing of the rear stator is lifted step by means of the guide rod holes and the bolts, so that the labor cost in the process of testing the lead of the outer casing of the rear stator and the inner casing of the stator is saved, and the processing and assembling difficulty is reduced; the adjusting bolt is matched with the adjusting internal thread hole on the inner support frame to carry out axial fine adjustment on the rear stator inner casing, so that collision with the high-pressure rotor in the installation process is avoided; through the adjusting bolt on the top end of the guide rod, the whole axial fine adjustment of the back stator unit body is realized, sufficient assembly space is provided for the assembly of the front stator unit body, and the assembly difficulty of the compressor stator unit body is effectively reduced.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a rear stator auxiliary assembly tool in use.
Fig. 2 is a schematic structural view of a rear stator auxiliary assembling tool.
Fig. 3 is a partial detail view of the bracket.
Fig. 4 is a schematic view of the connection of the inner support frame and the support platform.
Detailed Description
The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and do not limit the scope of the invention. For example, if a first feature is formed over or on a second feature described later in the specification, this may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first and second features may not be in direct contact. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Further, when a first element is described as being coupled or coupled to a second element, the description includes embodiments in which the first and second elements are directly coupled or coupled to each other, as well as embodiments in which one or more additional intervening elements are added to indirectly couple or couple the first and second elements to each other.
The rear stator auxiliary assembling tool will be described with reference to fig. 1 to 4. The high-pressure compressor comprises a rotor 106 and a rear stator, and the rear stator comprises a rear stator inner casing 108 and a rear stator outer casing 109; outer supports 9 are respectively arranged on at least two opposite sides of the rotor 106, and respectively provide a supporting platform 101; an inner support 8 is respectively arranged at the inner side of each supporting platform 101 and used for supporting a rear stator inner casing 108; a bracket 5 is provided on each support platform 101 for holding the rear stator outer casing 109.
Each support platform 101 is provided with two guide rods 4, and the guide rods 4 are provided with a plurality of guide rod holes 41 along the height direction for fixing the brackets 5. Fig. 3 shows a partial detail of the bracket 5, wherein the bracket 5 has two guide sleeves 57, the two guide sleeves 57 can be slid over the two guide rods 4, the guide sleeves 57 have bracket holes 51, and the latch 52 is inserted into the bracket holes 51 and the guide rod holes 41 aligned with the bracket holes 51 to position the bracket 5 on the guide rods 4. The bracket 5 is also provided with a lifting handle 59.
The guide rod 4 is provided with a plurality of guide rod holes 41 with different heights, the guide rod holes 41 with different heights are changed, the bolt 52 and the guide rod holes 41 with new heights are fixed again by changing the positions of the guide rod holes 41 aligned with the bracket holes 51, and meanwhile, the lifting handle 59 is lifted, so that the height of the bracket 5 can be changed, and further, the height of the rear stator outer casing 109 is changed. Therefore, the rear stator outer casing 109 can be lifted step by step from the initial state (bottom) along the guide bar 4, and the height distribution with the rear stator inner casing 108 is arranged appropriately. The step-by-step lifting mode can lead the test line of the rear stator inner casing 108 to be led out through the rear stator outer casing 109 without consuming excessive manpower, thereby improving the assembly efficiency of the engine.
As shown in fig. 3, the top end of the guide rod 4 is further provided with an adjusting bolt 43, the bracket 5 is provided with a threaded hole 54, and the adjusting bolt 43 is connected with the threaded hole 54 for threaded transmission, so that the whole axial fine adjustment of the rear stator unit body is realized, and sufficient assembly space is provided for the assembly of the front stator unit body.
Fig. 4 is a schematic view showing the connection manner of the inner bracket 8 and the supporting platform 101, wherein the inner bracket 8 has a plurality of inner bracket connection holes 81 and adjusting internal thread holes 82. The interior side of the support platform 101 has a plurality of platform attachment holes (not shown) that align with the inner frame attachment holes 81 for the passage of fasteners (not shown) to secure the inner frame 8 to the support platform 101. The adjusting internal thread hole 82 is in threaded connection with an adjusting bolt (not shown in the figure), the adjusting bolt can abut against the supporting platform 101 and is in threaded transmission with the adjusting internal thread hole 82, the mounting height of the inner support 8 can be adjusted, the height of the rear stator inner casing 108 can be adjusted, and the rear stator inner casing 108 is prevented from colliding with the high-pressure rotor 106 in the assembling process.
The specific steps of the above embodiment are as follows:
(1) the outer bracket 9 provides a support platform 101, the inner bracket 8 is mounted on the inner side of the support platform 101, the fastener is aligned with the inner bracket connecting hole 81 on the bracket 8 to fix the inner bracket 8, and the adjusting bolt is connected with the adjusting internal thread hole 82, so that the bracket 8 supports the rear stator inner casing 108.
(2) The bracket 5 is fixed to the guide bar 4 by inserting the plug 52 into the bracket hole 51 and the guide bar hole 41 in this order, and the rear stator outer case 109 is held.
(3) The back stator inner casing 108 is installed stage by stage, and a certain height difference exists between the back stator inner casing 108 and the back stator outer casing 109 at the moment, so that a test line is conveniently led out from the back stator inner casing 108 and penetrates through the back stator outer casing 109 to the outside of the casing. In the process of mounting the rear stator inner casing 108, the bolts on the adjusting inner support 8 and the adjusting internal threaded holes 82 can be properly adjusted according to the position of the high-pressure rotor 106, so that the rear stator inner casing 108 is subjected to axial fine adjustment, and the rotor and the stator are prevented from being rubbed and abraded in the assembling process.
(4) The next stage of back stator inner casing 108 is continuously installed, and the plug pin 52 is inserted into the bracket hole 51 and the guide rod hole 41 at the next stage of height again, so that the back stator outer casing 109 is lifted up to complete the height matching with the back stator inner casing 108, and the next step of wire leading operation is facilitated.
(5) In the assembling process, the adjusting bolt 43 at the top end of the guide rod 4 is adjusted, so that the whole axial fine adjustment of the rear stator unit body can be realized, and a sufficient assembling space is provided for the assembling of the front stator unit body.
The outer bracket 9 can be installed on the main unit body assembly platform and can also be installed on the fan casing unit body, so that the auxiliary assembly of the inner casing and the outer casing is realized. Therefore, the auxiliary assembling tool for the rear stator has wide popularization and application values, and can be applied to rotor and stator assembling tools of military and civil aircraft engines, ground gas turbines or gas generator structures, so that the assembling efficiency of the engine is improved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.
Claims (5)
1. Back stator appurtenance for assemble high-pressure compressor, high-pressure compressor includes rotor and back stator, and the back stator includes casing in the back stator and the outer casing of back stator, its characterized in that includes:
outer supports (9) respectively arranged on at least two opposite sides of the rotor and respectively providing a supporting platform (101);
inner supports (8) respectively mounted on the inner sides of the support platforms and used for supporting a rear stator inner casing (108);
the guide rods (4) are respectively arranged on the outer sides of the supporting platforms, and a plurality of guide rod holes (41) are formed in the height direction;
a bracket (5) provided on each of the support platforms, for holding a rear stator outer casing (109), provided to be guided by the guide bar (4) to move, and having a bracket hole (51); and
a pin (52) inserted into the bracket hole (51) and the guide bar hole (41) aligned with the bracket hole to position the bracket (5) on the guide bar (4).
2. The post-stator auxiliary assembling tool according to claim 1, wherein the inner bracket (8) has a plurality of inner bracket connecting holes (81) and a plurality of adjusting female screw holes (82), the inner side of the supporting platform (101) has a plurality of platform connecting holes, the inner bracket connecting holes (81) are aligned with the platform connecting holes so that fasteners can pass through to fix the inner bracket (8) on the supporting platform (101), and the adjusting female screw holes (82) are in screw connection with adjusting bolts which abut against the supporting platform to perform screw transmission with the adjusting female screw holes (82).
3. The back stator auxiliary assembling tool as claimed in claim 1, wherein the top end of the guide bar (4) is provided with an adjusting bolt (43), the bracket (5) is provided with a threaded hole (54), the guide bar (4) is provided with an elongated guide bar hole (41), a bolt (52) is inserted into the bracket hole (51) and the elongated guide bar hole (41), and the adjusting bolt (43) is connected with the threaded hole (54) for screw driving.
4. -rear-stator auxiliary assembling tool according to claim 1, characterised in that two guide rods (4) are provided on each support platform (101), the carriage (5) having two guide sleeves (57), by means of which two guide rods (4) slide, the guide sleeves (57) having the carriage holes (51).
5. -rear stator auxiliary assembling tool according to claim 1, characterised in that the bracket (5) is provided with a lifting handle (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208261.XU CN212653371U (en) | 2020-06-24 | 2020-06-24 | Auxiliary assembling tool for rear stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208261.XU CN212653371U (en) | 2020-06-24 | 2020-06-24 | Auxiliary assembling tool for rear stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212653371U true CN212653371U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021208261.XU Active CN212653371U (en) | 2020-06-24 | 2020-06-24 | Auxiliary assembling tool for rear stator |
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| CN (1) | CN212653371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535982A (en) * | 2022-04-02 | 2022-05-27 | 中国航发沈阳发动机研究所 | Aeroengine doublestage high whirlpool stator unit body assembly fixture |
-
2020
- 2020-06-24 CN CN202021208261.XU patent/CN212653371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535982A (en) * | 2022-04-02 | 2022-05-27 | 中国航发沈阳发动机研究所 | Aeroengine doublestage high whirlpool stator unit body assembly fixture |
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