CN114212273B - Installation positioning device for repairing sectional long hinge of helicopter - Google Patents
Installation positioning device for repairing sectional long hinge of helicopter Download PDFInfo
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- CN114212273B CN114212273B CN202111509417.7A CN202111509417A CN114212273B CN 114212273 B CN114212273 B CN 114212273B CN 202111509417 A CN202111509417 A CN 202111509417A CN 114212273 B CN114212273 B CN 114212273B
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- 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
- B64F5/40—Maintaining or repairing aircraft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention belongs to the field of helicopter technical equipment design, and particularly relates to an installation positioning device for repairing a segmented long hinge of a helicopter. The device takes an L-shaped positioning slide rail as a main body, a plurality of left positioning slide blocks and right positioning slide blocks are arranged on the L-shaped positioning slide rail, and each positioning slide block can position one hinge tooth of a hinge; the left positioning slide block and the right positioning slide block are combined in pairs to realize the positioning of one hinge; the hinge teeth of each section of hinge are respectively positioned through the combination of a plurality of groups of left and right positioning sliding blocks, and one group of left and right positioning sliding blocks is selected for realizing positioning for the newly added hinge; all hinges are guaranteed to be positioned on the same axis after replacement.
Description
Technical Field
The invention belongs to the field of helicopter technical equipment design, and particularly relates to an installation positioning device for repairing a segmented long hinge of a helicopter.
Background
On a helicopter transmission platform, a multi-section serial distributed long hinge structure is generally adopted due to hinge strength and processing limitation; one of the long hinges is riveted on the transmission platform, the other is usually arranged on the movable cover, and the two are coaxially butted and then connected by adopting the same through strip, so that the movable cover can be turned over; after long-term use, part of hinge teeth may be damaged, and repair is required to be carried out on part of hinge teeth or the whole hinge; the repaired hinge still needs to meet the assembly position requirement of the original hinge; in order to ensure that the repaired hinges meet the use requirements, corresponding hinge positioning devices are needed to ensure the positions of all the hinges and the coaxiality of hinge teeth; the conventional repairing method adopted at present is to position a plurality of hinges by using the hinge pass bars of the original hinges, however, the length of the hinges on the helicopter is often longer, the insertion of the hinge pass bars in the repairing operation is inconvenient, the repairing efficiency is lower, the rigidity of the pass bars is poor, and especially the slender pass bars are easy to deform, so that the position requirement of the repaired hinges cannot be ensured. Meanwhile, a plurality of auxiliary structures are further assembled on the helicopter transmission platform, the hinge repairing operation space is limited, and in order to avoid other auxiliary installation structures during repairing, a plurality of persons are required to cooperatively operate and cooperate with an external auxiliary mechanism to complete repairing of the hinge and hinge teeth; overall, the conventional repairing means is adopted, so that the repairing efficiency is low, the operation difficulty is high, and the repairing precision is low.
Disclosure of Invention
The invention aims to: the installation positioning device for repairing the sectional long hinge of the helicopter is provided, so that the device is suitable for repairing the sectional serial distributed long hinge on a transmission platform of the helicopter, and meets the requirement of repairing the coaxiality of hinge teeth of the sectional hinge; the operation difficulty of repairing and maintaining the helicopter hinge is improved, and the hinge repairing and maintaining efficiency is improved.
The technical scheme is as follows: a mounting and positioning device for repairing a sectional long hinge of a helicopter takes an L-shaped positioning sliding rail as a main body, a plurality of left positioning sliding blocks and right positioning sliding blocks are arranged on the L-shaped positioning sliding rail, and each positioning sliding block can position one hinge tooth of the hinge; the left positioning slide block and the right positioning slide block are combined in pairs to realize the positioning of one hinge; the hinge teeth of each section of hinge are respectively positioned through the combination of a plurality of groups of left and right positioning sliding blocks, and one group of left and right positioning sliding blocks is selected for realizing positioning for the newly added hinge; all hinges are guaranteed to be positioned on the same axis after replacement.
Preferably, the L-shaped positioning slide rail is provided with a plurality of sections of slide grooves at two sides, and each section of slide groove can be used for installing a left positioning slide block and a right positioning slide block.
Preferably, the left positioning slide block and the right positioning slide block are symmetrical structures and are used in pairs.
Preferably, the left and right positioning sliding blocks are screwed and fixed with the positioning sliding rail through bolts and nuts.
Preferably, when the hinge repairing, installing and positioning device is used, at least two left positioning sliding blocks and two right positioning sliding blocks are needed to be combined for use.
Preferably, the left and right positioning sliding blocks are provided with positioning pins at the matching positions of the hinge teeth, and the two positioning pins are arranged in opposite directions.
Preferably, the left and right positioning sliding blocks are provided with positioning pin mounting holes, the position accuracy of the mounting holes is ensured by machining, the flatness of the contact surfaces of the positioning sliding rail and the left and right positioning sliding blocks is ensured by machining, and after the positioning sliding blocks are attached to the positioning sliding rails, the relative position machining error accumulated value of the positioning pin mounting holes on the left and right positioning sliding blocks is within the range of coaxiality required by repairing the hinge teeth.
Preferably, the head of the bolt adopts a step structure, and when the bolt is matched with the nut, the step structure is just clamped in a sliding groove on the sliding rail, and when the nut is screwed, the bolt cannot rotate along with the step structure.
Preferably, the distance between the left positioning slide block and the right positioning slide block of each group can be adaptively adjusted according to the tooth space of the hinge.
The invention has the positive effects that:
the hinge repairing, installing and positioning device is simple in structure, convenient to operate and high in applicability, and provides great convenience for maintenance and repair of the external field of the helicopter hinge.
1. The hinge repairing, installing and positioning device provided by the invention has the advantages that the structure is simple, the operation is convenient, the positioning and repairing of the hinge teeth can be completed by a single person, and the cooperative operation of a plurality of persons is not required.
2. The method is suitable for repairing hinges of various types, and particularly suitable for repairing hinge teeth at any position in an elongated hinge, and has high universality.
3. Compared with a hinge through bar, the positioning device provided by the invention has the advantages that the structural rigidity is high, the assembly links are few, after the required precision is ensured by machining, the left and right positioning sliding blocks are positioned at different positions on the positioning sliding rail, and the axes of the positioning pins on the sliding blocks can be kept within a certain precision range; therefore, the positioning pin has controllable position error, no other assembly errors are introduced, and the coaxiality is easier to ensure.
4. The positioning device provided by the invention has the advantages of compact structure, convenience in carrying and easiness in repairing and maintaining the helicopter hinge in an outfield environment.
5. The invention has low processing cost and does not need later maintenance.
Drawings
FIG. 1 is a schematic view of a helicopter hinge repair installation positioning device of the present invention;
FIG. 2 is an enlarged partial schematic view of a set of left and right positioning blocks of FIG. 1;
FIG. 3 is a schematic view of the components of FIG. 1;
FIG. 4 is a schematic diagram of an example of use of the invention;
wherein: 1-positioning slide rail, 2-left positioning slide block, 3-right positioning slide block, 4-bolt, 5-nut and 6-hinge.
Detailed Description
The invention is described in detail below with reference to the attached drawings; the following describes the structure and the method of use of the helicopter hinge repairing and installing positioning device in detail.
The helicopter hinge repairing, installing and positioning device is shown in the accompanying drawings 1, 2 and 3, and mainly comprises a positioning slide rail 1, a left positioning slide block 2, a right positioning slide block 3, a bolt 4 and a nut 5; the positioning slide rail 1 is used as a positioning main body structure, a plurality of left positioning slide blocks 2 and right positioning slide blocks 3 which are used in pairs are arranged on the positioning slide rail, and each positioning slide block can position one hinge tooth of a hinge; the left positioning slide block 2 and the right positioning slide block 3 are combined in pairs to realize the positioning of one hinge; through the combined positioning of the left positioning slide block and the right positioning slide block of a plurality of groups, the functions of replacing and installing damaged hinge teeth or replacing and installing a whole hinge by utilizing complete hinge tooth positioning are realized.
The left positioning slide block 2 and the right positioning slide block 3 are of symmetrical structures and are used in pairs; when in use, the coordination consistency between the two components needs to be ensured.
The left and right positioning sliding blocks are tightly screwed and fixed with the positioning sliding rail 1 through bolts 4 and nuts 5.
When the hinge repairing, installing and positioning device is used, at least two left positioning sliding blocks 2 and two right positioning sliding blocks 3 are needed to be combined for use.
The application example of the hinge repairing, installing and positioning device is shown in figure 4, wherein three groups of left and right positioning sliding blocks are used, and each group comprises a left positioning sliding block 2 and a right positioning sliding block 3; one group of normal hinges is used for positioning the left side, one group of normal hinges is used for positioning the right side, and the middle group of hinges 6 is used for positioning the middle part to be replaced; after the relative positions of the left and right positioning slide blocks are adjusted, the left and right positioning slide blocks are screwed on the positioning slide rail 1 by bolts 4 and nuts 5; after the new hinge is installed, the nut 5 is loosened, and the left and right positioning sliding blocks slide to take down the hinge repairing, installing and positioning device.
It should be noted that, in the foregoing embodiments, details are not considered as the prior art, and in order to achieve the most basic functions and requirements of the present invention, the foregoing embodiments may be combined and superimposed to match with each other by simple combinations. The embodiments do not limit the protection scope of the present invention, and in principle, other variations and combinations based on the design concept of the present invention fall within the protection scope of the present invention.
Claims (4)
1. The installation positioning device for repairing the sectional long hinge of the helicopter is characterized in that the positioning device takes an L-shaped positioning sliding rail as a main body, a plurality of left positioning sliding blocks and right positioning sliding blocks are arranged on the L-shaped positioning sliding rail, and each positioning sliding block can position one hinge tooth of the hinge; the left positioning slide block and the right positioning slide block are combined in pairs to realize the positioning of one hinge; or the hinge teeth of each section of hinge are respectively positioned through the combination of a plurality of groups of left and right positioning sliding blocks, and one group of left and right positioning sliding blocks is selected for realizing positioning for the newly added hinge; ensuring that all hinges are positioned on the same axis after replacement;
the two sides of the L-shaped positioning slide rail are provided with a plurality of sections of slide grooves, and each section of slide groove is used for installing a left positioning slide block and a right positioning slide block; the left positioning slide block and the right positioning slide block are of symmetrical structures and are used in pairs; the left positioning sliding block, the right positioning sliding block and the positioning sliding rail are fixed by screwing through bolts and nuts; the head of the bolt adopts a step-shaped structure, when the bolt is matched with the nut, the step-shaped structure is just clamped in a sliding groove on the sliding rail, and when the nut is screwed, the bolt cannot rotate along with the step-shaped structure; and the matching parts of the left positioning sliding block and the right positioning sliding block and the hinge teeth are respectively provided with a positioning pin, and the two positioning pins are oppositely arranged.
2. The installation positioning device for repairing the sectional long hinge of the helicopter according to claim 1, wherein at least two left positioning sliding blocks and two right positioning sliding blocks are required to be combined for use when the hinge repair installation positioning device is used.
3. An installation positioning device for repairing a sectional long hinge of a helicopter according to claim 2, wherein the distance between each group of left and right positioning sliding blocks is adaptively adjusted according to the tooth space of the hinge.
4. The installation positioning device for repairing the sectional long hinge of the helicopter according to claim 1, wherein positioning pin installation holes are formed in the left positioning sliding block and the right positioning sliding block, the position accuracy of the installation holes is ensured by machining, the flatness of the abutting surfaces of the positioning sliding rail and the left positioning sliding block and the right positioning sliding block is ensured by machining, and after the positioning sliding block is installed in a fitting mode with the positioning sliding rail, the accumulated value of the machining errors of the relative positions of the positioning pin installation holes on the left positioning sliding block and the right positioning sliding block is within the coaxiality range required by repairing the hinge teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509417.7A CN114212273B (en) | 2021-12-10 | 2021-12-10 | Installation positioning device for repairing sectional long hinge of helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111509417.7A CN114212273B (en) | 2021-12-10 | 2021-12-10 | Installation positioning device for repairing sectional long hinge of helicopter |
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| Publication Number | Publication Date |
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| CN114212273A CN114212273A (en) | 2022-03-22 |
| CN114212273B true CN114212273B (en) | 2023-05-26 |
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| CN202111509417.7A Active CN114212273B (en) | 2021-12-10 | 2021-12-10 | Installation positioning device for repairing sectional long hinge of helicopter |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116571949B (en) * | 2023-07-10 | 2023-09-22 | 南通中集能源装备有限公司 | Positioning device, welding system and welding method for long-row hinge |
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| CN111806718A (en) * | 2019-04-11 | 2020-10-23 | 波音公司 | System and method for positioning aircraft engine components |
| CN214404879U (en) * | 2021-01-19 | 2021-10-15 | 中国长江电力股份有限公司 | Throwing type liquid level floater positioner |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203858776U (en) * | 2014-03-04 | 2014-10-01 | 中国人民解放军93199部队飞行仿真技术研究所 | Multiport open simulation cabin of flight simulator |
| CN203843744U (en) * | 2014-05-14 | 2014-09-24 | 江西洪都航空工业集团有限责任公司 | Fixture for assembly of auxiliary air inlet door of airplane |
| CN204075799U (en) * | 2014-08-23 | 2015-01-07 | 安徽裕森工贸有限公司 | A kind of positioner for processing wooden fence upright hole |
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| Publication number | Publication date |
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| CN114212273A (en) | 2022-03-22 |
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