CN216707384U - Auxiliary tool for installing rear stator casing of gas compressor - Google Patents
Auxiliary tool for installing rear stator casing of gas compressor Download PDFInfo
- Publication number
- CN216707384U CN216707384U CN202220146400.3U CN202220146400U CN216707384U CN 216707384 U CN216707384 U CN 216707384U CN 202220146400 U CN202220146400 U CN 202220146400U CN 216707384 U CN216707384 U CN 216707384U
- Authority
- CN
- China
- Prior art keywords
- casing
- rear stator
- stator casing
- auxiliary tool
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an auxiliary tool for mounting a rear stator casing of an air compressor, which comprises a first supporting part and a second supporting part, wherein the first supporting part is used for abutting against a first casing connecting surface of two half-opened casings of the rear stator casing, the second supporting part is used for abutting against a front bearing casing, and an opening opposite to a split mounting edge is formed between the first supporting part and the second supporting part. The auxiliary tool for mounting the rear stator casing of the gas compressor replaces a front stator casing to support the rear stator casing, the first supporting part is arranged to abut against the rear stator casing, the second supporting part is arranged to abut against a front bearing casing, an opening is formed between the first supporting part and the second supporting part and used for mounting bolts and nuts on the opposite mounting edge of the rear stator casing, the bolts and the nuts on the opposite mounting edge of the rear stator casing do not need to be mounted in a narrow space between the front stator casing and the rear stator casing, the front stator casing is prevented from being dismounted due to falling of the bolts, and the mounting efficiency of the rear stator casing is improved.
Description
Technical Field
The utility model relates to an auxiliary tool for installing a rear stator casing of an air compressor.
Background
As shown in fig. 1 and 2, the compressor of the aircraft engine is composed of a rotor and a stator, wherein the stator comprises a front stator casing and a rear stator casing, the front stator casing and the rear stator casing both adopt a split structure, the longitudinal installation edge of the split casing of the rear stator is arranged in a containing cavity formed by the front stator casing, and a radial gap between the front stator casing and the rear stator casing is smaller. Under the existing assembly process, the front stator casing is half installed, then the rear stator casing is installed with the connecting bolt and the nut on the longitudinal installation edge, and the installation is completed after the clamping bolt passes through a narrow gap between the front stator casing and the rear stator casing through tweezers (or pliers). Because the longitudinal installation edge of the rear stator casing is provided with more connecting bolts (nuts), the radial gaps of the front stator casing and the rear stator casing are converged forwards, and the installation space of the bolts and the nuts closer to the front end is smaller, so that the installation difficulty is higher. Tweezers pincers centre gripping bolt realizes the installation in-process, and the bolt has the risk of dropping, and in case the bolt drops, just can take out after half preceding stator cartridge receiver that need install is divided. The narrow operation space causes the difficulty in mounting the connecting bolt and the nut at the longitudinal mounting edge of the rear stator casing to be higher, and the mounting efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that in the prior art, due to the narrow operation space, the connecting bolt and the nut on the longitudinal installation edge of the back stator casing are difficult to install and low in installation efficiency, and provides an auxiliary tool for installing the back stator casing of the gas compressor.
The utility model solves the technical problems through the following technical scheme:
an auxiliary tool for installing a rear stator casing of an air compressor, wherein the air compressor comprises the rear stator casing with a split structure, front bearing casings are arranged at intervals along the axial direction of the rear stator casing, one end of each of the two half-opened casings of the rear stator casing, which faces the front bearing casing, is provided with a first casing connecting surface used for abutting against the front stator casing, the rear stator casing also comprises a split mounting edge extending from the first casing connecting surface to the front bearing casing direction, the auxiliary tool comprises a first supporting part and a second supporting part, the first supporting part is used for abutting against the first case connecting surface of the two half-open cases of the rear stator case, the second supporting part is used for abutting against the front force bearing casing, and an opening opposite to the split mounting edge is formed between the first supporting part and the second supporting part.
In this scheme, be used for leaning on back stator machine casket through setting up first supporting part, set up the second supporting part and be used for leaning on preceding load machine casket, set up the opening between first supporting part and the second supporting part and be used for installing back stator machine casket and run from opposite directions bolt and nut on the installation limit, need not to install back stator machine casket and run from opposite directions bolt and nut on the installation limit in the narrow and small space between preceding stator machine casket and the back stator machine casket, avoid the bolt to drop and lead to needing to demolish preceding stator machine casket, improve the installation effectiveness of back stator machine casket.
Preferably, the first supporting portion includes a first supporting body and a first positioning body, and the first positioning body extends from the first supporting body to a direction away from the second supporting portion;
the rear stator casing comprises a first flange installation edge used for being connected with the front stator casing, the first casing connection surface is located on one side, facing the front stator casing, of the first flange installation edge, the first supporting body is used for being abutted to the first casing connection surface, and the first positioning body is used for being abutted to the outer peripheral side of the first flange installation edge.
In this scheme, through set up first locating body on first supporting part, first locating body is used for leaning on the radial positioning in order to realize first supporting part and back stator machine casket with the periphery side on first flange installation limit.
Preferably, the first support body is provided with a first through hole corresponding to the threaded hole on the first flange mounting edge.
In this scheme, realize first supporter and first flange installation limit fixed connection through first through-hole, improve the stability that first supporter and back stator machine casket are connected.
Preferably, a plurality of first through holes are formed in the first support body.
In this scheme, first supporting part and first flange installation limit are connected through a plurality of first through-holes, further improve the stability that first supporting part and back stator machine casket are connected.
Preferably, the second supporting portion includes a second supporting body and a second positioning body, and the second positioning body extends from the second supporting body to a direction away from the first supporting portion;
the front force bearing casing comprises a second flange mounting edge used for being connected with the front stator casing, the second supporting body is used for abutting against a plane where the second flange mounting edge faces one side of the front stator casing, and the second positioning body is used for abutting against the outer peripheral side of the second flange mounting edge.
In this scheme, through set up the second locating body on the second supporting part, the second locating body is used for leaning on with the periphery side of second flange installation limit and leans on the radial positioning in order to realize second supporting part and preceding load receiver.
Preferably, the second supporting body is provided with a second through hole corresponding to the threaded hole on the second flange mounting edge.
In this scheme, realize second supporter and second flange installation limit fixed connection through the second through-hole, improve the stability that second supporting part and preceding strength bearing machine casket are connected.
Preferably, a plurality of second through holes are formed in the second supporting body.
In this scheme, second supporter and second flange installation limit are connected through a plurality of second through-holes, further improve the stability that second supporter and preceding load-bearing machine casket are connected.
Preferably, the first support part comprises two semicircular first support members, the second support part comprises two semicircular second support members, and the auxiliary tool further comprises a connecting rod, and the first support ring and the second support ring are connected by a plurality of connecting rods.
In this scheme, support respectively to lean on in the half-open machine casket of back stator machine casket through the first support piece that sets up two semicircle forms, set up the second support piece of two semicircle forms and be used for supporting respectively and support preceding load machine casket.
Preferably, the first supporting portion includes a plurality of first supporting sections, the second supporting portion includes a plurality of second supporting sections, and the auxiliary tool further includes a connecting rod through which the first supporting sections and the second supporting sections are connected.
In this scheme, adopt distributed first support section and second to support the section and make the operation more convenient and nimble, take place to scrape with the compressor when further reducing appurtenance assembly or decomposition and bump the risk that causes the part damage.
Preferably, the front force bearing casing comprises a second casing connecting surface for abutting against the front stator casing, and the second supporting portion is for abutting against the second casing connecting surface.
In this scheme, set up the second supporting part and lean on the second machine casket connection face on the preceding strength of force machine casket, the second supporting part replaces original preceding stator machine casket and leans on in preceding strength of force machine casket.
Preferably, the auxiliary tool further comprises a connecting rod, the first supporting portion and the second supporting portion are respectively provided with a connecting hole, the first supporting portion and the connecting rod are connected through the connecting hole, and the second supporting portion and the connecting rod are connected through the connecting hole.
In this scheme, connect first supporting part and second supporting part through setting up the connecting rod, simplify the connection structure between first supporting part and the second supporting part, increase and the opening area on back stator machine casket run from opposite directions installation limit reduces appurtenance's weight, improves appurtenance's easy operability.
The positive progress effects of the utility model are as follows:
the auxiliary tool for installing the rear stator casing of the gas compressor replaces the traditional mode that the front stator casing supports the rear stator casing to install the rear stator casing, the first supporting part is arranged to abut against the rear stator casing, the second supporting part is arranged to abut against the front force bearing casing, the opening is formed between the first supporting part and the second supporting part and used for installing bolts and nuts on the opposite mounting edge of the rear stator casing, the bolts and the nuts on the opposite mounting edge of the rear stator casing do not need to be installed in the narrow space between the front stator casing and the rear stator casing, the front stator casing is prevented from being detached due to the fact that the bolts fall off, and the installation efficiency of the rear stator casing is improved.
Drawings
FIG. 1 is a schematic view of a compressor at a first perspective after assembly of a front stator case and a rear stator case.
FIG. 2 is a schematic view of a compressor at a second perspective after assembly of a front stator case and a rear stator case.
Fig. 3 is a schematic view of the auxiliary tool of the present invention installed between the front bearing case and the rear stator case.
Fig. 4 is a schematic view of an auxiliary tool according to a first embodiment of the utility model.
Fig. 5 is a schematic view of an auxiliary tool according to a second embodiment of the present invention.
Description of reference numerals:
Rear stator casing 200
First case connection surface 210
Bisecting the mounting edge 220
First flanged edge 230
Front bearing case 300
First supporting part 410
First supporting body 411
Second supporting part 420
Second support ring 423
Connecting rod 430
Detailed Description
The utility model is further illustrated by the following examples, which are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1 and 2, the compressor of the aircraft engine includes a rear stator casing 200 in a split structure, the rear stator casing 200 is generally cylindrical, and an axial direction of the rear stator casing 200 is an up-down direction shown in fig. 1. The front bearing casing 300 is arranged along the axial direction of the rear stator casing 200 at intervals, the front stator casing 100 is arranged between the front bearing casing 300 and the rear stator casing 200, and the front stator casing 100 is also of a split structure. The two half-open casings of the rear stator casing 200 each have a first casing connection face 210 for abutting against the front stator casing 100 toward one end of the front bearing casing 300. The rear stator casing 200 further includes a split mounting edge 220 extending from the first casing connection surface 210 to the front force bearing casing 300, and the split mounting edge 220 is provided with a through hole for a bolt to pass through and be connected with a nut. The bolts pass through the split mounting edges 220 of the rear stator case 200 and are connected with the nuts, and then the split structure of the rear stator case 200 is fixedly connected.
As shown in fig. 3 and 4, the present invention provides an auxiliary tool 400 for mounting a compressor rear stator case 200. The auxiliary tool 400 includes a first support 410 and a second support 420. The first supporting portion 410 is used for abutting against the first casing connection faces 210 of the two half-open casings of the rear stator casing 200. The second supporting portion 420 is used for abutting against the front bearing case 300. When the auxiliary tool 400 is used for assisting the compressor in mounting the rear stator case 200, the first supporting portion 410 abuts against the first case connection surface 210 of the rear stator case 200, and the second supporting portion 420 abuts against the front bearing case 300, so that the rear stator case 200 is supported without the front stator case 100. An opening opposite to the split mounting edge 220 is formed between the first supporting portion 410 and the second supporting portion 420, the opening is arranged opposite to the split mounting edge 220 of the rear stator casing 200, and therefore bolts and nuts on the split mounting edge 220 can be mounted through the opening between the first supporting portion 410 and the second supporting portion 420, and the split rear stator casing 200 can be screwed tightly. The opening between the first supporting portion 410 and the second supporting portion 420 is larger than the gap between the front stator casing 100 and the split mounting edge 220, so that the installation of the bolts and nuts on the split mounting edge 220 is more convenient, the risk that the bolts and the nuts fall into the front stator casing 100 in the installation process and the front stator casing 100 needs to be detached is reduced, and the installation efficiency of the bolts and the nuts on the split mounting edge 220 is improved.
The first supporting portion 410 includes a first supporting body 411 and a first positioning body 412, and the first positioning body 412 extends from the first supporting body 411 to a direction away from the second supporting portion 420.
The rear stator case 200 includes a first flange mounting edge 230 for connection with the front stator case 100. The first case connection face 210 is located on a side of the first flange mounting edge 230 facing the front stator case 100. The first support body 411 is used for abutting against the first casing connection surface 210, and the first support body 411 is used for supporting the rear stator casing 200 in the compressor axial direction. The first retainer 412 is adapted to abut against an outer peripheral side of the first flange mounting edge 230, an inner diameter of the first retainer 412 is the same as an outer diameter of the first flange mounting edge 230, the first retainer 412 abuts against the outer peripheral side of the first flange mounting edge 230, and the first retainer 412 is adapted to position the rear stator case 200 in a radial direction of the compressor, i.e., in a left-right direction shown in fig. 1. The first positioning body 412 protrudes from the first support body 411, and both the first positioning body 412 and the first support body 411 are arc-shaped. The circular arc surface of the first positioning body 412 near the rear stator casing 200 matches the outer diameter of the first flange mounting edge 230.
The first supporting body 411 has a first through hole corresponding to the threaded hole of the first flange mounting edge 230. The first supporting body 411 is connected with the first flange mounting edge 230 through a first through hole, so that stable connection between the first supporting body 411 and the rear stator casing 200 is realized, and relative displacement between the first supporting body 411 and the rear stator casing 200 is avoided.
A plurality of first through holes are provided on the first support 411. A plurality of first through holes are formed along the circumferential direction of the first supporting body 411, and a plurality of screw holes are formed in the first flange mounting edge 230 to be opposite thereto.
The second supporting portion 420 includes a second supporting body 421 and a second positioning body 422, and the second positioning body 422 extends from the second supporting body 421 to a direction away from the first supporting portion 410.
The front messenger case 300 includes a second flange mounting edge for connection with the front stator case 100. The second supporting body 421 is configured to abut against a plane where the second flange mounting edge faces one side of the front stator casing 100, and the second positioning body 422 is configured to abut against an outer peripheral side of the second flange mounting edge. The second locating body 422 is arc-shaped, the inner diameter of the second locating body 422 is the same as the outer diameter of the second flange mounting edge, the second locating body 422 is used for abutting against the outer peripheral side of the second flange mounting edge, and the second locating body 422 is used for locating along the radial direction of the air compressor and the front bearing casing 300. In the actual installation process, when the rear stator casing 200 is installed, the front bearing casing 300 is already fixedly installed, and therefore can be used as a positioning reference when the front stator casing 100 and the rear stator casing 200 are installed, the second positioning body 422 abuts against the front bearing casing 300, meanwhile, the first positioning body 412 abuts against the rear stator casing 200, and since the positions between the second positioning body 422 and the first positioning body 412 are relatively fixed, the auxiliary tool 400 is used for replacing the front stator casing 100 to realize the positioning installation of the rear stator casing 200. After the bolts and nuts on the split mounting edges 220 of the rear stator case 200 are mounted through the opening between the first supporting portion 410 and the second supporting portion 420, half of the auxiliary tools 400 are removed first, half of the split front stator case 100 is mounted, then the other half of the auxiliary tools 400 are removed, the other half of the front stator case 100 is mounted, and finally the complete mounting of the front stator case 100 is achieved.
The second support 421 has a second through hole corresponding to the threaded hole on the second flange mounting edge. The second support 421 is connected to the second flange mounting edge through the second through hole, and the second support 421 is stably connected to the front force-bearing casing 300, so that relative displacement between the second support 421 and the front stator casing 100 is avoided.
The second supporter 421 has a plurality of second through holes. A plurality of second through holes are formed along the circumferential direction of the second supporting body 421, and a plurality of threaded holes are formed on the opposite second flange mounting edge.
The first support part 410 includes two semicircular first supports 413, and the second support part 420 includes two semicircular second supports. The circle center angles of the first support 413 and the second support are both slightly smaller than 180 °. When the first supporting piece 413 abuts against the split rear stator casing 200, the circle center angle of the first supporting piece 413 is smaller than 180 degrees, so that the interference between the first supporting piece 413 and the split mounting edge 220 on the rear stator casing 200 can be avoided. The auxiliary tool 400 further comprises a connecting rod 430. The connecting rod 430 is a rigid straight rod. The two ends of the connecting rod 430 are planes, the two ends of the connecting rod 430 are respectively provided with a threaded hole, and the connecting rod 430 is respectively connected with the first supporting piece 413 and the second supporting piece through the end surfaces of the two sides. In the present embodiment, the first support 413 and the second support are semicircular, and the first support 413 and the second support are connected by a plurality of connecting rods 430.
The front hard case 300 includes a second case connection surface for abutting against the front stator case 100, and the second support portion 420 is for abutting against the second case connection surface. The second casing connection surface is a plane, and the second support part 420 and the front force bearing casing 300 are connected in a propping manner through the plane, so that the connection between the second support part 420 and the front force bearing casing 300 is more stable.
The first supporting portion 410 and the second supporting portion 420 are respectively provided with a connecting hole. The first support part 410 and the connection rod 430 are connected through the connection hole, and the second support part 420 and the connection rod 430 are connected through the connection hole. In this embodiment, the two ends of the connecting rod 430 are respectively provided with a threaded hole, and the first supporting portion 410 and the second supporting portion 420 are respectively provided with a countersunk hole, so as to realize detachable connection among the first supporting portion 410, the second supporting portion 420 and the connecting rod 430, and the first supporting portion 410, the second supporting portion 420 or the connecting rod 430 can be replaced according to the size of the rear stator casing 200 to be installed, thereby improving the universality of the auxiliary tool 400.
The end surface of the first supporting portion 410 away from the second supporting portion 420 is a first supporting surface, and the first supporting surface is used for abutting against the first casing connection surface 210. The first support portion 410 is connected to the first casing connection surface 210 of the rear stator casing 200 through the first support surface, which improves the stability of connection between the first support portion 410 and the rear stator casing 200.
The first supporting portion 410 is provided with a first connecting surface, which is an end surface of the first supporting portion 410 close to the second supporting portion 420, and one end of the connecting rod 430 is connected to the first connecting surface. The connection rod 430 and the first support part 410 are connected through a plane, thereby improving the stability of the connection between the connection rod 430 and the first support part 410.
The second supporting portion 420 is provided with a second connecting surface, which is an end surface of the second supporting portion 420 close to the first supporting portion 410, and one end of the connecting rod 430 is connected to the second connecting surface. The connection rod 430 and the second support part 420 are connected by a surface, thereby improving the stability of the connection between the connection rod 430 and the second support part 420.
Example 2
The same portions of embodiment 2 as embodiment 1 will not be repeated, and only different portions will be described. The first and second support parts 410 and 420 are support rings in embodiment 1, and the first and second support parts 410 and 420 are support segments in embodiment 2.
As shown in fig. 5, the first support part 410 includes a plurality of first support sections 414, the second support part 420 includes a plurality of second support sections 424, the auxiliary tool 400 further includes a connection rod 430, and the first support sections 414 and the second support sections 424 are connected by the connection rod 430. The width of the first supporting section 414 and the second supporting section 424 is smaller than that of the semicircular first supporting piece 413, the first supporting section 414 and the second supporting section 424 can be flexibly arranged according to the installation condition, the first supporting section 414 and the second supporting section 424 are distributed, so that the operation is more convenient and flexible, and the risk of part damage caused by scraping and collision between the auxiliary tool 400 and the compressor during assembly or disassembly is further reduced.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.
Claims (11)
1. An auxiliary tool for installing a rear stator casing of an air compressor, wherein the air compressor comprises the rear stator casing with a split structure, front bearing casings are arranged at intervals along the axial direction of the rear stator casing, one end of each of the two half-opened casings of the rear stator casing, which faces the front bearing casing, is provided with a first casing connecting surface used for abutting against the front stator casing, the rear stator casing also comprises a split mounting edge extending from the first casing connecting surface to the front bearing casing direction, it is characterized in that the auxiliary tool comprises a first supporting part and a second supporting part, the first supporting part is used for abutting against the first casing connecting surface of the two half-open casings of the rear stator casing, the second supporting part is used for abutting against the front force bearing casing, and an opening opposite to the split mounting edge is formed between the first supporting part and the second supporting part.
2. The auxiliary tool for installation of a compressor rear stator case as defined in claim 1, wherein the first support portion includes a first support body and a first retainer, the first retainer extending from the first support body in a direction away from the second support portion;
the rear stator casing comprises a first flange installation edge used for being connected with the front stator casing, the first casing connection surface is located on one side, facing the front stator casing, of the first flange installation edge, the first supporting body is used for being abutted to the first casing connection surface, and the first positioning body is used for being abutted to the outer peripheral side of the first flange installation edge.
3. The auxiliary tool for compressor rear stator case installation according to claim 2, wherein the first support body has a first through hole corresponding to the threaded hole on the first flange mounting edge.
4. An auxiliary tool for installation of a compressor rear stator case as set forth in claim 3, wherein a plurality of said first through holes are provided on said first support body.
5. The auxiliary tool for installing the compressor rear stator casing as claimed in claim 1, wherein the second supporting portion includes a second supporting body and a second positioning body, and the second positioning body extends from the second supporting body in a direction away from the first supporting portion;
the front force bearing casing comprises a second flange mounting edge used for being connected with the front stator casing, the second supporting body is used for abutting against a plane where the second flange mounting edge faces one side of the front stator casing, and the second positioning body is used for abutting against the outer peripheral side of the second flange mounting edge.
6. The auxiliary tool for compressor rear stator case installation according to claim 5, wherein the second support body has a second through hole corresponding to the threaded hole on the second flange mounting edge.
7. The auxiliary tool for installation of a compressor rear stator case as set forth in claim 6, wherein a plurality of said second through holes are provided in said second support body.
8. The auxiliary tool for compressor rear stator case installation according to claim 5, characterized in that said first support portion comprises two semicircular first support members and said second support portion comprises two semicircular second support members, said auxiliary tool further comprising a connecting rod, said first support member and said second support member being connected by a plurality of said connecting rods.
9. The auxiliary tool for installation of a compressor rear stator case according to any one of claims 1-2, wherein the first support portion includes a plurality of first support sections and the second support portion includes a plurality of second support sections, the auxiliary tool further including a connecting rod, the first support sections and the second support sections being connected by the connecting rod.
10. The auxiliary tool for installation of the compressor rear stator case as claimed in claim 1, wherein the front force bearing case includes a second case connection face for abutting against the front stator case, and the second support portion is for abutting against the second case connection face.
11. The auxiliary tool for installation of the compressor rear stator casing as claimed in claim 1, wherein the auxiliary tool further comprises a connecting rod, the first supporting portion and the second supporting portion are respectively provided with a connecting hole, the first supporting portion and the connecting rod are connected through the connecting hole, and the second supporting portion and the connecting rod are connected through the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146400.3U CN216707384U (en) | 2022-01-19 | 2022-01-19 | Auxiliary tool for installing rear stator casing of gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146400.3U CN216707384U (en) | 2022-01-19 | 2022-01-19 | Auxiliary tool for installing rear stator casing of gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216707384U true CN216707384U (en) | 2022-06-10 |
Family
ID=81890536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220146400.3U Active CN216707384U (en) | 2022-01-19 | 2022-01-19 | Auxiliary tool for installing rear stator casing of gas compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216707384U (en) |
-
2022
- 2022-01-19 CN CN202220146400.3U patent/CN216707384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20170175633A1 (en) | Turbine engine case mount and dismount | |
| CN108581942B (en) | Device and method for decomposing inner ring of roller bearing in annular cavity | |
| US7419121B2 (en) | Integrated mount duct for use with airborne auxiliary power units and other turbomachines | |
| WO2009058629A9 (en) | Compressor stator vane repair with pin | |
| US11077954B2 (en) | Connection assembly for mounting engine and engine mounting system comprising the same | |
| EP3734026B1 (en) | Gas turbine engine yoke and build support | |
| CN216707384U (en) | Auxiliary tool for installing rear stator casing of gas compressor | |
| CN210564669U (en) | Blade retainer for impeller machinery | |
| CN105351016A (en) | Methods and apparatus to facilitate turbine casing assembly | |
| CN104471212A (en) | First stage compressor disk configured for balancing the compressor rotor assembly | |
| CN112179564B (en) | Balancing device and method for multistage blisk | |
| CN217452837U (en) | Self-adaptive mounting fixing pin device for aero-engine | |
| CN216894641U (en) | Gas turbine bearing casing structure | |
| US20080159859A1 (en) | Connecting system with jaws of two ferrules, including a compressor | |
| CN209483675U (en) | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one | |
| CN208805317U (en) | A kind of multistage turbine dynamic balance of impeller tooling | |
| CN201095079Y (en) | Positioning disc for assembling and repairing combustion turbine | |
| CN214850900U (en) | Riveting tool for motor balance sheet | |
| CN217462353U (en) | Aircraft engine rotor | |
| CN212690178U (en) | Blade type automobile engine inner rotor convenient to maintain | |
| CN220592985U (en) | Matching fixture for disassembling balancing weight of low-pressure air compressor of aero-engine | |
| CN203981348U (en) | A kind of revolving meber dynamic balance test tool | |
| CN212033887U (en) | Generator | |
| CN217168366U (en) | Disassembling tool for bushing of stator blade of gas compressor | |
| CN215861381U (en) | Spindle bearing assembling and disassembling structure of centrifugal air compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |