CN114136634B - Engine pylon direction positioner - Google Patents
Engine pylon direction positioner Download PDFInfo
- Publication number
- CN114136634B CN114136634B CN202111445179.8A CN202111445179A CN114136634B CN 114136634 B CN114136634 B CN 114136634B CN 202111445179 A CN202111445179 A CN 202111445179A CN 114136634 B CN114136634 B CN 114136634B
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- seat
- guide
- hole seat
- hole
- guide hole
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- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- 230000003068 static effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention provides an engine hanging frame guiding and positioning device which comprises a guiding hole seat, a quick-release buckle pulling assembly, a lower guiding hole seat semi-ring, a guiding shaft and a pin shaft assembly, wherein the guiding hole seat is arranged on the guiding shaft, the lower guiding hole seat semi-ring is arranged on the guiding hole seat through the quick-release buckle pulling assembly and the pin shaft assembly, the quick-release buckle pulling assembly and the pin shaft assembly are respectively arranged on two sides of the guiding hole seat, and the lower guiding hole seat semi-ring is coaxially arranged on the guiding shaft. According to the invention, through the hole cone matching between the guide hole seat and the positioning shaft, the guide function of the engine during positioning is achieved; through the combined use of the annular groove of the guide shaft, the upper guide hole seat semi-ring and the lower guide hole seat semi-ring, the engine can be clamped into the annular groove after being guided, and the positioning effect is realized; by arranging the engine from the side, the guide is positioned backwards, and the mounting mode of hanging from top to bottom is more time-saving and labor-saving.
Description
Technical Field
The invention belongs to the technical field of engine positioning, and particularly relates to an engine pylon guide positioning device.
Background
When the turboprop engine carries out ground test in a state of being provided with the propeller, the overall installation mode can refer to the suspension test bed movable and static frame installation structure of the turbojet and turbofan engine, but because of the airflow effect of the propeller, the engine and the propeller need to adopt a forward-extending suspension type structure, which is different from a suspension type structure under the turbojet and turbofan engine. The suspension test bed usually adopts an engine hanger as a connecting device between an engine and a test bed fixed rack (consisting of a static rack and a movable rack).
The ground test of the turbojet and turbofan engine is carried out, no matter whether the turbojet and turbofan engine is provided with a transfer frame or not, the turbojet and turbofan engine is installed on a rack base (usually a movable frame) and falls on a mounting surface in a top-down mode, the unique direction of movement during installation enables the installation mode to have obvious limitations, the mode is obviously not suitable for a forward-extending suspension type rack of a test bed of the turbofan engine, and the forward-extending suspension type installation of the turbofan engine can be realized by adopting a crane to assist in manual operation at present, but the defects of time and labor waste exist.
The invention provides an engine hanger guiding and positioning device aiming at the problems.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a mounting device with guiding and positioning functions, so as to achieve the purpose of completely positioning an engine and solve the problem of long time consumption for mounting a test bed engine of a suspension type aeroengine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an engine hanging rack guiding and positioning device comprises a guiding hole seat, a quick-release pull buckle assembly, a lower guiding hole seat semi-ring, a guiding shaft and a pin shaft assembly, wherein,
the guide hole seat is arranged on the guide shaft;
the lower guide hole seat semi-ring is arranged on the guide hole seat through the quick-release pull buckle component and the pin shaft component;
the quick-release pull buckle component and the pin shaft component are respectively arranged at two sides of the guide hole seat;
the lower guide hole seat semi-rings are coaxially arranged on the guide shaft.
Preferably, the guiding hole seat comprises a front end and a rear end, the front end of the guiding hole seat is T-shaped, and the rear end of the guiding hole seat is a rectangular upper guiding hole seat semi-ring.
Preferably, the end face of the front end of the guide hole seat is provided with a waist hole, the semi-circular upper through hole is formed in the end face of the semi-ring of the upper guide hole seat, the upper through hole is communicated with the waist hole and forms a step hole structure, and the guide hole seat is sleeved on the guide shaft through the waist hole.
Preferably, the lower guide hole seat semi-ring is of a rectangular structure, a semicircular lower through hole is formed in the end face of the lower guide hole seat semi-ring, and the lower through hole and the upper through hole are of the same diameter.
Preferably, one end of the guide shaft is of a semi-cone structure, an annular groove is formed in the peripheral side face of the other end of the guide shaft, the lower guide hole seat semi-ring is clamped in the annular groove through a lower through hole, and the upper guide hole seat semi-ring is clamped in the annular groove through an upper through hole.
Preferably, the quick-release buckle assembly comprises a lower connecting seat and an upper connecting seat, wherein the lower connecting seat is fixedly connected with a clamping hook, the clamping hook is buckled with a U-shaped connecting piece, the upper end of the connecting piece is rotationally connected with an arc-shaped rod, and the arc-shaped rod is fixedly connected with the upper connecting seat.
Preferably, the upper connecting seat is arranged on one side surface of the guide hole seat, and the lower connecting seat is connected with the lower guide hole seat by screws and is arranged on one side surface of the semi-ring of the lower guide hole seat by screws.
Preferably, the pin shaft assembly comprises a pin shaft seat A and a pin shaft seat B, a pin seat is fixedly connected to the surface of the pin shaft seat A, a pin hole is formed in the pin seat, a connecting rod which is obliquely installed is fixedly connected to the surface of the pin shaft seat B, a pin hole is also formed in one end of the connecting rod, the pin hole of the pin seat and the pin hole of the connecting rod are coaxially arranged and are in running fit with a pin shaft, the pin shaft seat A is connected with a guide hole seat screw, and the pin shaft seat B is connected with a lower guide hole seat semi-ring screw.
Preferably, the pin seat is formed by two isosceles triangle plates which are arranged in parallel and have gaps, and the vertex position of the pin seat is provided with a round angle.
Preferably, the guide shaft is far away from one end of the semi-cone structure and is provided with a disc fixedly connected with the disc, the disc is provided with a plurality of positioning holes, the positioning holes are matched with second screws, and the annular groove axially extends to the disc along the guide shaft.
Preferably, symmetrical mounting holes are formed in two ends of the T-shaped structure at the front end of the guide hole seat, and the mounting holes are matched with first screws.
The invention has the beneficial effects that:
1. according to the invention, through the hole cone matching between the guide hole seat and the positioning shaft, the guide function of the engine during positioning is achieved;
2. according to the invention, through the combined use of the annular groove of the guide shaft, the upper guide hole seat semi-ring and the lower guide hole seat semi-ring can be clamped into the annular groove after the engine is guided, so that the positioning effect is realized;
3. according to the guiding and positioning device, the engine is installed from the side, the guide is positioned backwards, and time and labor are saved compared with an installation mode of hanging from top to bottom.
In summary, after the engine is operated to move to the mounting point along the axial direction, the positioning of the engine on the normal section is completed through the axial guiding function of the device, the axial positioning is completed through the annular groove, and the purpose of completely positioning the engine is achieved through arranging two or more sets of devices on the normal section, so that the problem of long time consumption of the engine on the test bed of the suspension type aeroengine is solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing the front side structure of an engine pylon guide positioning apparatus of the present invention;
FIG. 2 is a schematic view showing a rear side structure of an engine pylon guide positioning apparatus of the present invention;
FIG. 3 is a schematic cross-sectional view of an engine pylon guide positioning apparatus of the present invention;
fig. 4 shows a schematic structural view of a pilot hole seat;
FIG. 5 shows a schematic structural view of a lower guide hole seat half ring;
fig. 6 shows a schematic structural diagram of the pin shaft seat a;
fig. 7 shows a schematic structural view of the pin housing B;
fig. 8 shows a schematic structural view of the guide shaft.
In the figure: 1. a guide hole seat; 11. a semi-ring of the upper guide hole seat; 12. an upper through hole; 13. waist holes; 14. a mounting hole; 2. a quick release tab assembly; 21. a lower connecting seat; 22. an upper connecting seat; 23. an arc-shaped rod; 24. a connecting piece; 25. a clamping hook; 3. a lower guide hole seat semi-ring; 31. a lower through hole; 4. a pin shaft seat A; 41. a pin base; 5. a guide shaft; 51. an annular groove; 52. a disc; 53. positioning holes; 6. a pin shaft seat B; 61. a connecting rod; 7. a first screw; 8. and a second screw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention relates to an engine pylon guide positioning device, as shown in figure 1, which comprises a guide hole seat 1, a quick-release pull buckle assembly 2, a lower guide hole seat semi-ring 3, a guide shaft 5 and a pin shaft assembly, wherein,
the guide hole seat 1 is arranged on the guide shaft 5;
the lower guide hole seat semi-ring 3 is arranged on the guide hole seat 1 through the quick-release pull buckle component 2 and the pin shaft component;
the quick-release pull buckle assembly 2 and the pin shaft assembly are respectively arranged at two sides of the guide hole seat 1;
the lower guide hole seat semi-ring 3 is coaxially arranged on the guide shaft 5.
In the structure, the guide hole seat 1 of the guide positioning device can do circular motion along the guide shaft 5, when the engine is installed, the guide hole seat 1 is installed on the engine, the guide shaft 5 is installed on a rack on the ground, and the circular motion of the engine in the horizontal direction can be limited by using two unidirectional positioning devices, so that the positioning effect is achieved.
Further, as shown in fig. 4, the guiding hole seat 1 includes a front end and a rear end, the front end of the guiding hole seat 1 is T-shaped, and the rear end is a rectangular upper guiding hole seat semi-ring 11.
In the above structure, the upper guide hole seat half ring 11 is used for connecting other components.
Further, a waist hole 13 is formed in the end face of the front end of the guide hole seat 1, a semicircular upper through hole 12 is formed in the end face of the upper guide hole seat semi-ring 11, the upper through hole 12 is communicated with the waist hole 13 and forms a stepped hole structure, and the guide hole seat 1 is sleeved on the guide shaft 5 through the waist hole 13.
In the structure, the guide hole seat 1 is sleeved on the guide shaft 5 through the waist hole 13, and at the moment, the guide shaft 5 can rotate in the waist hole 13 and can move towards the two ends of the waist hole 13, so that the freedom degree is high, and the assembly is convenient during the installation.
Further, as shown in fig. 5, the lower guide hole seat semi-ring 3 has a rectangular structure, and a semicircular lower through hole 31 is formed on the end surface, and the lower through hole 31 has the same diameter as the upper through hole 12.
In the above structure, as shown in fig. 3, the lower guide hole seat half ring 3 may be matched with the upper guide hole seat half ring 11, and the lower guide hole seat half ring and the upper guide hole seat half ring are combined to be sleeved on the guide shaft 5 and rotationally matched with the guide shaft 5, so that the guide shaft 5 cannot move towards two ends of the waist hole 13.
Further, as shown in fig. 8, one end of the guide shaft 5 has a semi-cone structure, the circumferential side surface of the other end is provided with an annular groove 51, the lower guide hole seat semi-ring 3 is clamped in the annular groove 51 through the lower through hole 31, and the upper guide hole seat semi-ring 11 is clamped in the annular groove 51 through the upper through hole 12.
In the above structure, the annular groove 51 of the guide shaft 5 can clamp the upper guide hole seat semi-ring 11 and the lower guide hole seat semi-ring 3, so that the guide hole seat 1 cannot move along the axial direction of the guide shaft 5, and the guide hole seat 1 can only do circular motion with the guide shaft 5 as the center at the same time.
Further, the quick-release buckle assembly 2 comprises a lower connecting seat 21 and an upper connecting seat 22, wherein the lower connecting seat 21 is fixedly connected with a clamping hook 25, the clamping hook 25 is buckled with a U-shaped connecting piece 24, the upper end of the connecting piece 24 is rotatably connected with an arc-shaped rod 23, and the arc-shaped rod 23 is fixedly connected with the upper connecting seat 22.
In the above structure, the lower end of the connecting piece 24 is buckled with the clamping hook 25, and the upper end is in running fit with the arc-shaped rod 23.
Further, the upper connecting seat 22 is installed on one side of the guiding hole seat 1 and connected with a screw, and the lower connecting seat 21 is installed on one side of the lower guiding hole seat semi-ring 3 and connected with a screw.
In the structure, one side of the guiding hole seat 1 is fixed through the quick-release buckle component 2, one side freedom degree is limited, and the lower guiding hole seat semi-ring 3 can rotate relative to the guiding hole seat 1.
Further, as shown in fig. 2, the pin shaft assembly comprises a pin shaft seat A4 and a pin shaft seat B6, the pin shaft seat A4 is fixedly connected with a pin seat 41 on the surface of the pin shaft seat A4, a pin hole is formed in the pin seat 41, the surface of the pin shaft seat B6 is fixedly connected with a connecting rod 61 installed obliquely, a pin hole is also formed in one end of the connecting rod 61, the pin hole of the pin seat 41 and the pin hole of the connecting rod 61 are coaxially arranged, the pin shaft seat A4 is connected with the guide hole seat 1 through a screw, and the pin shaft seat B6 is connected with the lower guide hole seat semi-ring 3 through a screw.
In the structure, the pin shaft seat A4 and the pin shaft seat B6 can rotate relatively, and the included angle between the pin shaft seat A4 and the pin shaft seat B6 can be changed, so that the application range of the pin shaft seat is enlarged; in addition, the pin shaft assembly limits the degree of freedom of the other sides of the guide hole seat 1 and the lower guide hole seat semi-ring 3, and is matched with the quick-release pull buckle assembly 2 to fixedly connect the guide hole seat 1 with the lower guide hole seat semi-ring 3.
In addition, as shown in fig. 7, the angle between the link 61 and the pin seat B6 is acute.
Further, as shown in fig. 6, the pin seat 41 is formed by two isosceles triangle plates disposed in parallel with a gap, and a rounded corner is provided at the vertex position.
In the above structure, the pin boss 41 is used for rotational connection with the link 61.
Further, one end, far away from the semi-cone structure, of the guide shaft 5 is provided with a disc 52 fixedly connected with, the disc 52 is provided with a plurality of positioning holes 53, the positioning holes 53 are matched with the second screws 8, and the annular groove 51 extends to the disc 52 along the axial direction of the guide shaft 5.
In the above structure, the disc 52 is a supporting structure of the guiding and positioning device.
Further, symmetrical mounting holes 14 are formed in two ends of the T-shaped structure at the front end of the guide hole seat 1, and the mounting holes 14 are matched with the first screws 7.
In the above structure, the guide hole seat 1 may be mounted on other carriers through the mounting holes 14.
It should be noted that, the front end of the guiding hole seat 1 is a T-shaped structure, which is equivalent to a combination of a cube structure and a rectangular plate structure, wherein the matching hole is opened on the rectangular plate structure.
In summary, the guiding and positioning device mounting step: firstly, the guide shaft 5 is fixed on the engine hanger through the disc 52, then the guide hole seat 1 is indirectly fixed with the engine, when the guide positioning is carried out, the guide hole seat 1 moves along the axial direction of the guide shaft 5, the guide hole seat 1 enters the annular groove 51 area after being guided by the conical surface of the guide shaft 5, at the moment, the guide hole seat 1 and the engine indirectly connected with the guide hole seat can rotate by taking the guide shaft 5 as the center, can also move along the axial direction of the guide shaft 5, and can enable the guide shaft 5 to move towards the two ends of the waist hole 13 through the waist hole 13.
The engine is generally fixed on a bracket equipped with the engine, and then is fixedly connected with the guide hole seat 1 through the bracket.
Then, after the upper guide hole seat semi-ring 11 of the guide hole seat 1 is matched with the annular groove 51, the lower guide hole seat semi-ring 3 and the upper guide hole seat semi-ring 11 seat are folded to form a complete guide hole with an axial positioning boss, and the quick-release buckle assembly 2 is tensioned, so that fastening work is completed, and the upper guide hole seat semi-ring 11 and the lower guide hole seat semi-ring 3 are prevented from loosening; in addition, the upper guide hole seat semi-ring 11 and the lower guide hole seat semi-ring 3 are connected through a pin shaft assembly before folding, at this time, the guide hole seat 1 and the engine cannot move towards the two ends of the waist hole 13 and cannot move axially along the guide shaft 5, and only the center of the guide shaft 5 can rotate, namely, the limitation of the translational freedom degree of the normal section of the engine in the other direction, the translational freedom degree of the axial direction and the two rotational freedom degrees except the rotation around the axial direction is completed, five freedom degrees are limited for a single guide positioning device, and the rest freedom degree around the axial rotation is completed by adding a set of guide positioning device in the normal section of the engine, so that the purpose of limiting the complete positioning of six freedom degrees is finally achieved.
It should be noted that in this process, the engine pylon is perpendicular to the ground, so the engine is hung on the pylon from the side rather than being installed from top to bottom, and the installation is more convenient.
It should be noted that, this guiding and positioning device adopts a large amount of general parts, is convenient for replace among them subassembly, reduce cost.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An engine pylon direction positioner, its characterized in that: the engine hanging rack guiding and positioning device comprises a guiding hole seat (1), a quick-release pull buckle component (2), a lower guiding hole seat semi-ring (3), a guiding shaft (5) and a pin shaft component, wherein,
the guide hole seat (1) is arranged on the guide shaft (5);
the lower guide hole seat semi-ring (3) is arranged on the guide hole seat (1) through the quick-release pull buckle assembly (2) and the pin shaft assembly;
the quick-release pull buckle assembly (2) and the pin shaft assembly are respectively arranged at two sides of the guide hole seat (1);
the lower guide hole seat semi-ring (3) is coaxially arranged on the guide shaft (5);
the guide hole seat (1) comprises a front end and a rear end, the front end of the guide hole seat (1) is T-shaped, and the rear end of the guide hole seat is a rectangular upper guide hole seat semi-ring (11);
the end face of the front end of the guide hole seat (1) is provided with a waist hole (13), the end face of the upper guide hole seat semi-ring (11) is provided with a semicircular upper through hole (12), the upper through hole (12) is communicated with the waist hole (13) and forms a step hole structure, and the guide hole seat (1) is sleeved on the guide shaft (5) through the waist hole (13);
one end of the guide shaft (5) is of a semi-cone structure, an annular groove (51) is formed in the peripheral side surface of the other end of the guide shaft, a lower through hole (31) formed in the surface of the lower guide hole seat semi-ring (3) is clamped in the annular groove (51), and the upper guide hole seat semi-ring (11) is clamped in the annular groove (51) through an upper through hole (12);
one end, far away from the semi-cone structure, of the guide shaft (5) is provided with a disc (52) fixedly connected with the disc (52), a plurality of positioning holes (53) are formed in the disc (52), the positioning holes (53) are matched with second screws (8), and the annular groove (51) axially extends to the disc (52) along the guide shaft (5);
the guide shaft 5 is fixed to the engine mount by a disc 52.
2. The engine hanger guiding and positioning device according to claim 1, wherein the lower guiding hole seat semi-ring (3) is of a rectangular structure, a semicircular lower through hole (31) is formed in the end face, and the lower through hole (31) and the upper through hole (12) are of the same diameter.
3. The engine hanger guiding and positioning device according to claim 1, wherein the quick-release pull buckle assembly (2) comprises a lower connecting seat (21) and an upper connecting seat (22), the lower connecting seat (21) is fixedly connected with a clamping hook (25), the clamping hook (25) is buckled with a U-shaped connecting piece (24), the upper end of the connecting piece (24) is rotatably connected with an arc-shaped rod (23), and the arc-shaped rod (23) is fixedly connected with the upper connecting seat (22).
4. An engine mount guide positioning device according to claim 3, wherein the upper connecting seat (22) is mounted on one side of the guide hole seat (1) and the lower connecting seat (21) is mounted on one side of the lower guide hole seat semi-ring (3) and is connected by screws.
5. The engine hanger guiding and positioning device according to claim 1, wherein the pin shaft assembly comprises a pin shaft seat A (4) and a pin shaft seat B (6), a pin seat (41) is fixedly connected to the surface of the pin shaft seat A (4), a pin hole is formed in the pin shaft seat (41), a connecting rod (61) which is obliquely installed is fixedly connected to the surface of the pin shaft seat B (6), a pin hole is formed in one end of the connecting rod (61), the pin hole of the pin shaft seat (41) and the pin hole of the connecting rod (61) are coaxially arranged and are in rotating fit with a pin shaft, the pin shaft seat A (4) is connected with a guide hole seat (1) through a screw, and the pin shaft seat B (6) is connected with a lower guide hole seat semi-ring (3) through a screw.
6. An engine pylon guide positioning apparatus according to claim 5, wherein the pin boss (41) is formed by two isosceles triangular plates arranged in parallel with a gap, and the apex position is provided with a rounded corner.
7. An engine pylon guide positioning apparatus according to claim 2 or 3, wherein symmetrical mounting holes (14) are provided at both ends of the T-shaped structure at the front end of the guide hole seat (1), and the mounting holes (14) are fitted with first screws (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111445179.8A CN114136634B (en) | 2021-11-30 | 2021-11-30 | Engine pylon direction positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111445179.8A CN114136634B (en) | 2021-11-30 | 2021-11-30 | Engine pylon direction positioner |
Publications (2)
| Publication Number | Publication Date |
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| CN114136634A CN114136634A (en) | 2022-03-04 |
| CN114136634B true CN114136634B (en) | 2024-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111445179.8A Active CN114136634B (en) | 2021-11-30 | 2021-11-30 | Engine pylon direction positioner |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871175A (en) * | 1996-11-21 | 1999-02-16 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Redundant front suspension system for a turboshaft engine |
| WO2013097204A1 (en) * | 2011-12-31 | 2013-07-04 | Liu Zhifang | Fast and automatic assembly and disassembly structure for toilet lid set |
| CN106769063A (en) * | 2016-12-21 | 2017-05-31 | 中国燃气涡轮研究院 | A kind of integrative installation technology frame for aeroengine test run |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112595B (en) * | 2013-02-06 | 2016-01-27 | 中国商用飞机有限责任公司 | The hanging structure of Propulsion Integrated |
| US20210362246A1 (en) * | 2020-01-31 | 2021-11-25 | Charles Hadley Cammack | Drill Guides With Canting Base and Dowel Jig Attachments |
-
2021
- 2021-11-30 CN CN202111445179.8A patent/CN114136634B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5871175A (en) * | 1996-11-21 | 1999-02-16 | Societe Nationale D'etude Et De Construction De Moteurs D'aviation | Redundant front suspension system for a turboshaft engine |
| WO2013097204A1 (en) * | 2011-12-31 | 2013-07-04 | Liu Zhifang | Fast and automatic assembly and disassembly structure for toilet lid set |
| CN106769063A (en) * | 2016-12-21 | 2017-05-31 | 中国燃气涡轮研究院 | A kind of integrative installation technology frame for aeroengine test run |
Non-Patent Citations (1)
| Title |
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| 轻型涡扇发动机悬挂式试车台架设计与有限元分析;李富才;阮昌龙;王月;李庆海;;青岛大学学报(工程技术版);20200815(03);91-96 * |
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