CN112407327A - Fuselage strutting arrangement in self-adaptation - Google Patents
Fuselage strutting arrangement in self-adaptation Download PDFInfo
- Publication number
- CN112407327A CN112407327A CN202011316808.2A CN202011316808A CN112407327A CN 112407327 A CN112407327 A CN 112407327A CN 202011316808 A CN202011316808 A CN 202011316808A CN 112407327 A CN112407327 A CN 112407327A
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- adjusting rod
- shaft sleeve
- supporting block
- supporting
- groove
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- 230000003044 adaptive effect Effects 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009661 fatigue test Methods 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Of Engines (AREA)
Abstract
The invention belongs to a fatigue test technology of a helicopter body structure, and discloses a self-adaptive middle fuselage supporting device. The adjustable support device comprises an adjusting rod, a baffle, a support frame, a fixed shaft sleeve, a supporting block and a locking bolt, and is characterized in that the fixed shaft sleeve is fixed on the support frame, the adjusting rod penetrates through the baffle and is connected with the fixed shaft sleeve through threads, the supporting block is fixed on the fixed shaft sleeve in advance through the locking bolt, the adjusting rod is adjusted to reach a proper supporting length through adjustment, and finally the adjusting rod is locked. The device is used for simulating the supporting boundary of the helicopter midfuselage test, and can be used for supporting the relative position of the midfuselage, thereby being capable of automatically adapting to the supporting environments of different positions and different angles of the midfuselage.
Description
Technical Field
The invention belongs to a fatigue test technology of a helicopter body structure, and relates to a self-adaptive middle fuselage supporting device.
Background
The middle fuselage is an important load-bearing part of the helicopter, and in order to master the strength and the fatigue life of the middle fuselage, the middle fuselage needs to be tested to obtain the strength characteristic of the middle fuselage and further give the life of the middle fuselage. During the test of the middle fuselage, boundary constraint conditions and load transmission routes of the middle fuselage on the helicopter are simulated. The invention aims to solve the problem that a supplementary support device is used when a non-examination area is damaged in the test process, at present, China has no similar test device, and relevant foreign published documents are not retrieved.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the invention provides a self-adaptive middle fuselage supporting device which is used for simulating a supporting boundary of a helicopter middle fuselage test.
The technical scheme of the invention is as follows:
an adaptive mid-fuselage support apparatus, the apparatus comprising: the device comprises an adjusting rod, a baffle, a supporting frame, a fixed shaft sleeve and a supporting block;
the support frame is fixed on the rack, and a groove is formed in the middle of the support frame; the adjusting rod penetrates through the groove;
the shaft sleeve is of a cross structure, and a supporting block is arranged at the lower end of the shaft sleeve; the supporting block is used for fixing the middle machine body;
a through hole is formed in the shaft sleeve in the vertical direction, and the lower end of the adjusting rod penetrates through the through hole and is matched with the supporting block;
the upper end of the through hole is provided with an internal thread; the lower end of the adjusting rod is provided with a thread section matched with the internal thread; the adjusting rod is matched with the adjusting support block through threads to adjust the height of the supporting block.
Further, the lower end of the shaft sleeve is a rectangular sliding block; the bottom of the supporting block is a plane; the top of the supporting block is provided with a rectangular groove; the lower end of the shaft sleeve can slide in the rectangular groove of the supporting block.
Furthermore, a hemispherical groove is formed in the center of the bottom of the rectangular groove of the supporting block; the bottom of the lower end of the adjusting rod is hemispherical; the lower end of the adjusting rod is hemispherical and matched with the hemispherical groove to be used for supporting the block to rotate at any angle so as to adapt to different middle machine body structures.
Further, the upper end of the shaft sleeve is rectangular and matched with the groove, and the upper end of the shaft sleeve is inserted into the groove and used for limiting the shaft sleeve.
Further, the device also comprises a locking bolt;
a threaded hole perpendicular to the plane of the side wall is formed in one side wall of the supporting block; the locking bolt penetrates through the threaded hole and is pressed on the shaft sleeve.
Furthermore, the lower end of the adjusting rod is in clearance fit with the hemispherical groove of the supporting block in a hemispherical manner.
Further, the device also comprises a nut; the upper end of the adjusting rod is provided with an external thread; the nut is sleeved on the adjusting rod above the supporting frame; the nut is used for locking the adjusting rod after the supporting block is fixed with the machine body.
Further, the device also comprises a baffle plate; the baffle is arranged between the support frame and the nut, and the baffle is used for increasing the contact area between the nut and the support frame.
The invention has the advantages that: the self-adaptive support device can provide self-adaptive support for machine body structures such as a middle machine body, wherein the height of the support block is adjusted by the adjusting rod through thread matching, so that the problem that the heights of different positions of the middle machine body are different is solved, the rectangular slide block at the lower end of the fixing shaft sleeve is in rectangular matching sliding with the support block, so that the loading position of the support block is kept, the hemispherical groove is formed in the center of the bottom of the support block groove and is in hemispherical matching with the bottom of the adjusting rod, so that the support block can rotate at any angle to meet the requirement that the support angles of different parts of the middle machine.
Drawings
FIG. 1 is a schematic structural diagram of an adaptive mid-fuselage support apparatus;
in the figure, 1-adjusting rod, 2-baffle, 3-supporting frame, 4-fixing shaft sleeve, 5-supporting block and 6-locking bolt.
Detailed Description
The design method according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the invention relates to a self-adaptive middle fuselage support device, which comprises an adjusting rod 1, a baffle 2, a support frame 3, a fixed shaft sleeve 4, a support block 5 and a locking bolt 6, and is characterized in that the fixed shaft sleeve 4 is fixed on the support frame 3, the adjusting rod 1 penetrates through the baffle 2 and is connected with the fixed shaft sleeve 4 through threads, the support block 5 is fixed on the fixed shaft sleeve 4 in advance through the locking bolt 6, the adjusting rod 1 is adjusted to reach a proper support length, and finally the adjusting rod 1 is locked.
Fuselage strutting arrangement in self-adaptation, its characterized in that: the adjusting rod 1 is of a rod body structure, threads are arranged at two ends of the adjusting rod, and an adjusting plane is arranged at one end of the adjusting rod; the other end is provided with a part of polished rod, and the end head is of a hemispherical structure;
fuselage strutting arrangement in self-adaptation, its characterized in that: the fixed shaft sleeve 4 is of a cross structure, a threaded hole is formed in the middle of the fixed shaft sleeve, the fixed shaft sleeve can be tightly combined with the support frame 3 and cannot generate relative displacement and rotation, and a sliding block is arranged below the fixed shaft sleeve and is in sliding connection with the support block 5.
Fuselage strutting arrangement in self-adaptation, its characterized in that: the supporting block 5 is a concave structure and is provided with a square groove, the bottom of the square groove is provided with a hemispherical groove, and the size of the hemispherical groove is the same as that of the hemispherical structure at the end of the adjusting rod 1 and is in clearance fit with the hemispherical structure.
The invention can provide self-adaptive support for machine body structures such as a middle machine body, wherein the height of the support block is adjusted by the adjusting rod through thread matching, so that the problem of inconsistent heights of different positions of the middle machine body is solved, the rectangular slide block at the lower end of the fixed shaft sleeve is in rectangular matching sliding with the support block, so that the loading position of the support block is kept, the hemispherical groove is arranged in the center of the bottom of the support block groove and is matched with the bottom of the adjusting rod in a hemispherical mode, so that the support block can rotate at any angle to adapt to the requirements of different support angles of different positions of the middle machine body, and the.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the original scope of the invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a fuselage strutting arrangement in self-adaptation which characterized in that: the device comprises: the device comprises an adjusting rod, a baffle, a supporting frame, a fixed shaft sleeve and a supporting block;
the support frame is fixed on the rack, and a groove is formed in the middle of the support frame; the adjusting rod penetrates through the groove;
the shaft sleeve is of a cross structure, and a supporting block is arranged at the lower end of the shaft sleeve; the supporting block is used for fixing the middle machine body;
a through hole is formed in the shaft sleeve in the vertical direction, and the lower end of the adjusting rod penetrates through the through hole and is matched with the supporting block;
the upper end of the through hole is provided with an internal thread; the lower end of the adjusting rod is provided with a thread section matched with the internal thread; the adjusting rod is matched with the adjusting support block through threads to adjust the height of the supporting block.
2. The adaptive mid-fuselage support apparatus of claim 1, wherein: the lower end of the shaft sleeve is provided with a rectangular sliding block; the bottom of the supporting block is a plane; the top of the supporting block is provided with a rectangular groove; the lower end of the shaft sleeve can slide in the rectangular groove of the supporting block.
3. The adaptive mid-fuselage support apparatus of claim 2, wherein: a hemispherical groove is formed in the center of the bottom of the rectangular groove of the supporting block; the bottom of the lower end of the adjusting rod is hemispherical; the lower end of the adjusting rod is hemispherical and matched with the hemispherical groove to be used for supporting the block to rotate at any angle so as to adapt to different middle machine body structures.
4. The adaptive mid-fuselage support apparatus of claim 1, wherein: the upper end of the shaft sleeve is rectangular and matched with the groove, and the upper end of the shaft sleeve is inserted into the groove and used for limiting the shaft sleeve.
5. The adaptive mid-fuselage support apparatus of claim 3, wherein: the device further comprises a locking bolt;
a threaded hole perpendicular to the plane of the side wall is formed in one side wall of the supporting block; the locking bolt penetrates through the threaded hole and is pressed on the shaft sleeve.
6. The adaptive mid-fuselage support apparatus of claim 3, wherein: the lower end of the adjusting rod is in clearance fit with the hemispherical groove of the supporting block in a hemispherical manner.
7. The adaptive mid-fuselage support apparatus of claim 1, wherein: the device further comprises a nut; the upper end of the adjusting rod is provided with an external thread; the nut is sleeved on the adjusting rod above the supporting frame; the nut is used for locking the adjusting rod after the supporting block is fixed with the machine body.
8. The adaptive mid-fuselage support apparatus of claim 7, wherein: the apparatus further comprises a baffle; the baffle is arranged between the support frame and the nut, and the baffle is used for increasing the contact area between the nut and the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316808.2A CN112407327A (en) | 2020-11-20 | 2020-11-20 | Fuselage strutting arrangement in self-adaptation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011316808.2A CN112407327A (en) | 2020-11-20 | 2020-11-20 | Fuselage strutting arrangement in self-adaptation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112407327A true CN112407327A (en) | 2021-02-26 |
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ID=74777162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011316808.2A Pending CN112407327A (en) | 2020-11-20 | 2020-11-20 | Fuselage strutting arrangement in self-adaptation |
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| Country | Link |
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| CN (1) | CN112407327A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203513168U (en) * | 2013-10-09 | 2014-04-02 | 青岛造船厂有限公司 | Supporting device |
| CN104907973A (en) * | 2015-06-10 | 2015-09-16 | 中国人民解放军第五七二一工厂 | Locating supporting device for aircraft engine loading vehicle |
| US20150329221A1 (en) * | 2014-05-16 | 2015-11-19 | The Boeing Company | Automated Scanning Systems for Non-Destructive Inspection of Curved Cylinder-Like Workpieces |
| CN206875067U (en) * | 2017-05-27 | 2018-01-12 | 郑州工业应用技术学院 | Camera support camera angle governor motion |
| CN207777954U (en) * | 2018-01-11 | 2018-08-28 | 成都凯泽科技有限公司 | It is a kind of can multi-angle regulation and control support column |
| CN108551734A (en) * | 2018-05-31 | 2018-09-18 | 二工防爆科技股份有限公司 | The explosion-proof column operation post of intrinsic safety type |
| CN211855795U (en) * | 2020-02-05 | 2020-11-03 | 中国航空工业集团公司西安飞机设计研究所 | Clamp for wing test |
-
2020
- 2020-11-20 CN CN202011316808.2A patent/CN112407327A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203513168U (en) * | 2013-10-09 | 2014-04-02 | 青岛造船厂有限公司 | Supporting device |
| US20150329221A1 (en) * | 2014-05-16 | 2015-11-19 | The Boeing Company | Automated Scanning Systems for Non-Destructive Inspection of Curved Cylinder-Like Workpieces |
| CN104907973A (en) * | 2015-06-10 | 2015-09-16 | 中国人民解放军第五七二一工厂 | Locating supporting device for aircraft engine loading vehicle |
| CN206875067U (en) * | 2017-05-27 | 2018-01-12 | 郑州工业应用技术学院 | Camera support camera angle governor motion |
| CN207777954U (en) * | 2018-01-11 | 2018-08-28 | 成都凯泽科技有限公司 | It is a kind of can multi-angle regulation and control support column |
| CN108551734A (en) * | 2018-05-31 | 2018-09-18 | 二工防爆科技股份有限公司 | The explosion-proof column operation post of intrinsic safety type |
| CN211855795U (en) * | 2020-02-05 | 2020-11-03 | 中国航空工业集团公司西安飞机设计研究所 | Clamp for wing test |
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Application publication date: 20210226 |
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| RJ01 | Rejection of invention patent application after publication |