CN114111465B - Aviation elastomer - Google Patents

Aviation elastomer Download PDF

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Publication number
CN114111465B
CN114111465B CN202111315326.XA CN202111315326A CN114111465B CN 114111465 B CN114111465 B CN 114111465B CN 202111315326 A CN202111315326 A CN 202111315326A CN 114111465 B CN114111465 B CN 114111465B
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CN
China
Prior art keywords
cavity
connecting rod
elastomer body
hole
connecting portion
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CN202111315326.XA
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Chinese (zh)
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CN114111465A (en
Inventor
王巧云
胡善刚
刘庆
陈兴峰
戴肇鹏
范开春
杨锐
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General Designing Institute of Hubei Space Technology Academy
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General Designing Institute of Hubei Space Technology Academy
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Priority to CN202111315326.XA priority Critical patent/CN114111465B/en
Publication of CN114111465A publication Critical patent/CN114111465A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B15/00Self-propelled projectiles or missiles, e.g. rockets; Guided missiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for

Abstract

The application relates to the field of aerospace missiles, in particular to an aerospace missile body, which comprises the following components: a projectile body; the end head is provided with a connecting end for connecting the elastomer body, a first connecting hole is formed in the connecting end in a penetrating mode, and the first connecting hole is of a through hole structure with a smooth inner wall; the connecting assembly is arranged between the end head and the elastomer body, comprises a first connecting part and a connecting rod, and is configured in such a way that the connecting rod passes through the first connecting hole and then is fixedly connected with the elastomer body, and the first connecting part can be connected with the connecting rod at the other side of the connecting end and is abutted against the connecting end. The stable connection relation between the end and the elastomer body is ensured, so that the scheme can be used in the end connection process of large-size large-mass tungsten copper-infiltrated materials, and the relevant blank in the field is made up.

Description

Aviation elastomer
Technical Field
The application relates to the field of aviation missiles, in particular to an aviation missile body.
Background
The tungsten copper-infiltrated material is a special composite material which is obtained by infiltrating metallic copper into a high-melting-point and high-strength sintered tungsten skeleton, integrates the advantages of tungsten and copper, has good high-temperature resistance, ablation resistance, high strength, high hardness and other performances, and is mainly applied to the high-temperature field of aerospace. Nose cones are commonly used as missiles in aerospace.
However, tungsten copper infiltration is a highly brittle material. For the large-size large-mass tungsten copper-infiltrated end, the threaded hole cannot be directly machined on the surface of the tungsten copper-infiltrated end and is connected with the elastomer by using the screw, so that stress is easily concentrated on the threaded hole, and the internal thread structure of the threaded hole is damaged to influence the connecting effect. Although tungsten-impregnated copper aircraft tips having mass levels up to 100kg are very rare at present, the problem of how to effectively connect the projectile to such tungsten-impregnated copper aircraft tips has great significance in the art to explore.
Disclosure of Invention
The embodiment of the application provides an aviation elastomer, which aims to solve the problem that a large-size and large-mass tungsten copper-infiltrated end in the related art cannot be effectively connected with the elastomer at present.
An aeroelastomer, comprising:
a projectile body;
the end head is provided with a connecting end for connecting the elastomer body, a first connecting hole is formed in the connecting end in a penetrating mode, and the first connecting hole is of a through hole structure with a smooth inner wall;
the connecting assembly is arranged between the end head and the elastomer body and comprises a first connecting part and a connecting rod, one end of the connecting rod penetrates through the first connecting hole and then is fixedly connected with the elastomer body, and the first connecting part is connected with the other end of the connecting rod and abuts against the connecting end and the elastomer body.
In some embodiments, the elastomer body is provided with a butt end, and the butt end is provided with a second connecting hole for the connecting rod to pass through; and, in addition, the method comprises the steps of,
the connecting assembly further comprises a second connecting part which is movably connected to the end part of the connecting rod penetrating through the butt joint end and is configured to move to abut against the butt joint end.
In some embodiments, the connecting rod slides through the first connecting portion, and is provided with a tightening cap at one end for being abutted to drive the first connecting portion, the other end of the connecting rod is provided with a thread section, and the second connecting portion is a connecting nut in threaded fit with the thread section.
In some embodiments, an operating structure is provided on an end of the connecting rod remote from the tightening cap for an operator to pull the connecting rod.
In some embodiments, the first connecting portion is detachably and fixedly connected to the connecting end.
In some embodiments, the connecting end and the first connecting portion are respectively provided with a third connecting hole in a penetrating manner, the third connecting holes are in a through hole structure with a smooth inner wall, a locking screw and a locking nut are arranged between the first connecting portion and the connecting end, and the locking nut is configured to be connected to the end part of the locking screw penetrating through the first connecting portion and the connecting end, so as to be matched with a nut of the locking nut to clamp and fixedly connect the first connecting portion.
In some embodiments, a first cavity is arranged in the end socket, the connecting end is formed between the first cavity and the end surface of the end socket, and the first connecting part is arranged in the first cavity;
the elastomer body is internally provided with a second cavity, the butt joint end is formed between the second cavity and the end face of the elastomer body, and the connecting rod body is connected with the second connecting part in the second cavity.
In some embodiments, the first connecting portion and the second connecting portion are provided with at least two groups corresponding to each other, and are located at two sides of the first cavity and the second cavity respectively.
In some embodiments, the first cavity is provided with a cavity opening on an inner wall of one side close to the end face of the end, and the cavity opening penetrates through to the end face of the end and has an area smaller than that of the inner wall of the one side of the first cavity.
In some embodiments, the end face of the elastomer body is provided with a second cavity extending towards the inside of the elastomer body, and the connecting rod body and the second connecting part are connected in the second cavity.
In some embodiments, the tip is entirely made of a tungsten-impregnated copper material.
The technical scheme provided by the application has the beneficial effects that:
the embodiment of the application provides an aviation elastomer, which is characterized in that a connecting rod passes through a connecting end through a first connecting hole and is fixedly connected with an elastomer body, and the first connecting part is abutted against the other side of the connecting end after being connected with the other end of the connecting rod, so that the elastomer body and an end head are fixedly connected. When the end is connected with the projectile body, only the through hole with the smooth surface is required to be formed in the end, and further the threaded hole is not required to be formed in the end, so that the situation that the tungsten copper-infiltrated material is damaged due to the fact that stress is concentrated on a threaded structure when the large-size large-mass end is connected with the projectile body is avoided, and the first connecting part increases the force transmission area between the end and the projectile body, so that the load is convenient to transfer, the stable connection relation between the end and the projectile body is guaranteed, and the scheme can be used in the end connection process of the large-size large-mass tungsten copper-infiltrated material to make up for related blank in the field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a connecting rod according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a locking screw configuration according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a first connecting portion according to an embodiment of the present application.
In the figure:
1. a projectile body; 10. a butt joint end; 100. a second connection hole; 11. a second cavity;
2. an end head; 20. a connection end; 200. a first connection hole; 201. a third connection hole; 202. sinking grooves; 21. a first cavity;
3. a connection assembly; 30. a first connection portion; 300. a nut sinking platform; 301. perforating; 31. a connecting rod; 310. abutting the cap; 311. a threaded section; 312. a threading hole; 32. a second connecting portion;
4. a locking screw; 40. and locking the nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The tungsten copper-infiltrated material is a special composite material which is obtained by infiltrating metallic copper into a high-melting-point and high-strength sintered tungsten skeleton, integrates the advantages of tungsten and copper, has good high-temperature resistance, ablation resistance, high strength, high hardness and other performances, and is mainly applied to the high-temperature field of aerospace. Nose cones are commonly used as missiles in aerospace.
However, tungsten copper infiltration is a highly brittle material. For the large-size large-mass tungsten copper-infiltrated end, the threaded hole cannot be directly machined on the surface of the tungsten copper-infiltrated end and is connected with the elastomer by using the screw, so that stress is easily concentrated on the threaded hole, and the internal thread structure of the threaded hole is damaged to influence the connecting effect. Although tungsten-impregnated copper aircraft tips having mass levels up to 100kg are very rare at present, the problem of how to effectively connect the projectile to such tungsten-impregnated copper aircraft tips has great significance in the art to explore.
Accordingly, embodiments of the present application provide an aeroelastomer that solves the above-described problems.
Referring to fig. 1 and 2, an aeroelastomer comprising:
a projectile body 1;
the end head 2 is provided with a connecting end 20 for connecting the elastomer body 1, a first connecting hole 200 is formed in the connecting end 20 in a penetrating manner, and the first connecting hole 200 is of a through hole structure with a smooth inner wall;
the connecting assembly 3 is arranged between the end head 2 and the elastomer body 1 and comprises a first connecting part 30 and a connecting rod 31, one end of the connecting rod 31 passes through the first connecting hole 200 and then is fixedly connected with the elastomer body 1, and the first connecting part 30 is connected with the other end of the connecting rod 31 and abuts against the connecting end 20 and the elastomer body 1.
The connecting rod 31 passes through the connecting end 20 through the first connecting hole 200 and is fixedly connected with the elastomer body 1, and abuts against the other side of the connecting end 20 after being connected with the other end of the connecting rod 31 by utilizing the first connecting part 30, so that the elastomer body 1 and the end head 2 are fixedly connected.
The setting like this, only need to set up the through-hole that the inner wall is the plain noodles on end 2 when realizing that end 2 is connected with body 1, and then need not to carry out the seting up of screw hole on end 2, reduce the complexity of relevant connection structure on the end 2, stress concentration on the screw structure when having avoided end 2 to be connected with body probably causes the condition of damage, and because first connecting portion 30 has increased the biography power area between end 2 and body 1, be convenient for transfer load, guarantee stable the connection between end 2 and body 1 for this scheme can be used to the end 2 connection in-process of jumbo size large-mass tungsten copper-infiltrated material.
Referring to fig. 2, optionally, the elastomer body 1 is provided with a butt end 10, and the butt end 10 is provided with a second connection hole 100 through which the connection rod 31 passes; the connecting assembly 3 further comprises a second connecting portion 32 movably connected to the end portion of the connecting rod 31 passing through the butt end 10 and configured to move to abut against the butt end 10.
Referring to fig. 4, a plurality of connecting rods 31 may be disposed between the first connecting portion 30 and the second connecting portion 32, and in this embodiment, three connecting rods 31 are disposed between the first connecting portion 30 and the second connecting portion 32, so as to further improve the connection stability between the terminal 2 and the elastomer body 1.
By means of the arrangement, an operator can connect the connecting rod 31 of the second connecting portion 32 after the connecting rod 31 passes through the butt joint end 10 through the second connecting hole 100, and adjust the position of the connecting rod 31 to abut against the butt joint end 10, so that the first connecting portion 30 at the other end of the connecting rod 31 is matched to abut against the end head 2 and the elastomer body 1 from two sides. Finally, the end head 2 and the elastomer body 1 can be quickly connected and fixed, and the end head 2 and the elastomer body 1 have larger force transmission area to transmit load.
Referring to fig. 2, optionally, the connecting rod 31 slides through the first connecting portion 30, and has a tightening cap 310 at one end for abutting and driving the first connecting portion 30, a threaded section 311 is disposed at the other end of the connecting rod 31, and the second connecting portion 32 is a connecting nut screwed with the threaded section 311.
Wherein, the first connecting portion 30 is provided with a nut sinking platform 300 corresponding to the connecting rod 31, the bottom of the nut sinking platform 300 is provided with a through hole 301 penetrating through the first connecting portion 30, so that when the connecting rod 31 passes through the first connecting portion 30, the abutting cap 310 of the connecting rod 31 can abut against the inside of the nut sinking platform 300, and when the connecting rod 31 passes through the first connecting portion 30, the abutting cap 310 of the connecting rod 31 abuts against one side of the first connecting portion 30 far away from the connecting end 20.
The connecting nut serving as the second connecting portion 32 can be in threaded fit on the threaded section 311 of the connecting rod 31 extending out of the butt-joint end 10 after the connecting rod 31 passes through the first connecting portion 30, the connecting end 20 and the butt-joint end 10, and abuts against the butt-joint end 10, so that the first connecting portion 30 is matched to complete the fixed connection of the end head 2 and the elastomer body 1.
Meanwhile, for the convenience of the rotating assembly of the connecting nut serving as the second connecting part 32 on the connecting rod 31, the abutting cap 310 of the connecting rod 31 can be arranged in a polygonal shape, and the nut sinking table 300 is matched with the abutting cap 310 to be arranged in a polygonal shape, so that the rotation of the connecting rod 31 is effectively limited, and the assembly of the connecting nut is facilitated.
Referring to fig. 2, optionally, an operation structure is provided on an end of the connecting rod 31 remote from the tightening cap 310 for an operator to pull the connecting rod 31.
In this embodiment, the operation structure specifically includes a threading hole 312 radially penetrating through a rod body at an end portion of the connecting rod 31, so that when the second connecting portion 32 is actually assembled, a rope body can be utilized to penetrate through the threading hole 312, and an operator can quickly tighten the connecting rod 31 by holding the rope body. The first connecting portion 30 and the second connecting portion 32 at the two ends of the connecting rod 31 may not be capable of rapidly clamping the abutting end 10 of the elastomer body 1 and the connecting end 20 of the terminal 2 when the connecting nut serving as the second connecting portion 32 is rotated.
In addition, in other embodiments, the operating structure may be in the form of any pull ring, pull rod or slot for inserting an external plug-in rod, etc. provided on the end surface of the connecting rod 31 for facilitating the pulling.
Optionally, the first connecting portion 30 is detachably and fixedly connected to the connecting end 20.
The setting like this, it can be first fixed connection in link 20 one side to realize first connecting portion 30, and then only need control its tight cap 310 of support when installing connecting rod 31 support tightly with first connecting portion 30 can, avoid first connecting portion 30 to support tight cap 310 and link 20 between probably having the removal space, further strengthen the stability of first connecting portion 30 when supporting tight link 20.
Referring to fig. 3, alternatively, the connecting end 20 and the first connecting portion 30 are respectively provided with a third connecting hole 201, and the third connecting holes 201 are in a through hole structure with a smooth inner wall, and a locking screw 4 and a locking nut 40 are disposed between the first connecting portion 30 and the connecting end 20, and configured such that the locking nut 40 may be connected to an end portion of the locking screw 4 passing through the first connecting portion 30 and the connecting end 20, so as to be matched with a nut of the locking nut 40 to clamp and fixedly connect the first connecting portion 30.
Wherein, the connecting end 20 is just facing to the end face of the elastomer body 1 and is provided with a sinking groove 202 for placing the nut of the locking screw 4, the sinking groove 202 is provided with a through hole with the diameter larger than that of the third connecting hole 201, the third connecting hole 201 is arranged at the bottom of the sinking groove 202, and then the abutting connection between the connecting end 20 and the elastomer body 1 is not affected after the locking screw 4 penetrates through the connecting end 20 and is connected with the first connecting part 30. And because the connection of the first connecting portion 30 is also by means of the locking screw 4 to tightly connect the two ends, and further the connection is avoided by adopting a threaded hole mode, the third connecting hole 201 can directly adopt a through hole structure, and finally, when the first connecting portion 30 is installed on the connecting end 20 and performs force transmission, the first connecting portion and the second connecting portion can have better stability.
The arrangement realizes the detachable fixed connection of the connecting end 20 and the first connecting part 30, and then the first connecting part 30 and the connecting rod 31 can be arranged on one side of the connecting end 20 in advance, so that an operator can conveniently operate the second connecting part 32 to connect an operation rod and abut against the butt joint end 10 to realize the fixed connection of the elastomer body 1 and the tip 2 when the elastomer body 1 and the tip 2 are fixedly connected.
Referring to fig. 2, optionally, a first cavity 21 is provided in the end 2, the connection end 20 is formed between the first cavity 21 and the end surface of the end 2, and the first connection portion 30 is provided in the first cavity 21;
the second cavity 11 is arranged in the elastomer body 1, the butt joint end 10 is formed between the second cavity 11 and the end face of the elastomer body 1, and the connecting rod 31 and the second connecting part 32 are connected in the second cavity 11.
The arrangement is that the first connecting part 30, the connecting rod 31, the second connecting part 32 and other structures are all positioned in the end head 2 or the projectile body 1, so that the change of the shape structure of the end head 2 and the outer wall of the projectile body 1 is avoided, the change of the flight stress state of the end head 2 and the projectile body 1 caused by the arrangement of the structure outside is avoided, and the guidance and the flight process of the whole missile or the aircraft are further influenced.
Optionally, at least two groups of the first connecting portions 30 and the second connecting portions 32 are disposed corresponding to each other, and are located at two sides of the first cavity 21 and the second cavity 11, respectively.
Wherein, the two first limiting parts and the second limiting parts are respectively clung to the inner walls of the two sides of the first cavity 21.
The arrangement realizes further increase of the connection stability between the end head 2 and the elastomer body 1 and improves the force transmission area between the end head 2 and the elastomer body 1, so that the load can be effectively transmitted when the elastic head is used, and the smooth use of the end head 2 and the elastomer body 1 is ensured.
Referring to fig. 2, optionally, the first cavity 21 is provided with a cavity opening on an inner wall of a side close to the end face of the end head 2, and the cavity opening penetrates through to the end face of the end head 2 and has an area smaller than that of the inner wall of the side of the first cavity 21.
By the arrangement, the connecting rod 31, the first connecting portion 30 and other structures are conveniently placed into the first cavity 21 for installation by an operator, and meanwhile, the first cavity 21 is provided with an coelent, meanwhile, a connecting end 20 for the connecting rod 31 to penetrate through can be formed between the first cavity 21 and the end face of the end head 2, and the connecting rod 31 and the first connecting portion 30 are installed.
Optionally, the whole end head 2 is made of tungsten copper-infiltrated material.
It is worth to say that when the length of the end head 2 made of the tungsten-copper-infiltrated material is not less than 300mm and the mass is not less than 50kg, the conventional manner of directly forming a threaded hole on the end head 2 for connection cannot form stable connection, and the connection between the large-size and large-mass end head 2 and the elastomer body 1 is required to be performed by adopting the scheme provided by the application. In addition, it can be understood that the scheme provided by the application can be used when the length of the end head 2 is less than 300mm and the mass is less than 50kg, and is more stable than the conventional mode of directly using threaded holes for bolting.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. An aeroelastomer, comprising:
a projectile body (1);
the end head (2) is provided with a connecting end (20) for connecting the elastomer body (1), a first connecting hole (200) is formed in the connecting end (20) in a penetrating mode, and the first connecting hole (200) is of a through hole structure with a smooth inner wall;
the connecting assembly (3) is arranged between the end head (2) and the elastomer body (1) and comprises a first connecting part (30) and a connecting rod (31), one end of the connecting rod (31) penetrates through the first connecting hole (200) and then is fixedly connected with the elastomer body (1), and the first connecting part (30) is connected with the other end of the connecting rod (31) and abuts against the connecting end (20) and the elastomer body (1);
the whole end (2) is made of tungsten-copper-infiltrated material, and the mass is not less than 50kg;
a butt joint end (10) is arranged on the elastomer body (1), and a second connecting hole (100) for the connecting rod (31) to pass through is formed in the butt joint end (10); and, in addition, the method comprises the steps of,
the connecting assembly (3) further comprises a second connecting part (32) which is movably connected to the end part of the connecting rod (31) penetrating through the butt joint end (10) and is configured to be capable of moving to abut against the butt joint end (10);
a first cavity (21) is arranged in the end head (2), a connecting end (20) is formed between the first cavity (21) and the end face of the end head (2), and the first connecting part (30) is arranged in the first cavity (21);
the first cavity (21) is provided with a cavity opening on the inner wall of one side close to the end face of the end head (2), and the cavity opening penetrates through the end face of the end head (2) and is smaller than the inner wall of the first cavity (21);
a second cavity (11) is arranged in the elastomer body (1), a butt joint end (10) is formed between the second cavity (11) and the end face of the elastomer body (1), and the connecting rod (31) and the second connecting part (32) are connected in the second cavity (11);
the first connecting part (30) is detachably and fixedly connected with the connecting end (20);
the connecting end (20) and the first connecting portion (30) are provided with third connecting holes (201) in a penetrating mode, the third connecting holes (201) are of through hole structures with smooth inner walls, locking screws (4) and locking nuts (40) are arranged between the first connecting portion (30) and the connecting end (20), and the locking nuts (40) can be connected to the end portions of the locking screws (4) penetrating through the first connecting portion (30) and the connecting end (20) to be matched with nuts of the locking nuts (40) to clamp and fixedly connect the first connecting portion (30).
2. The aeroelastomer according to claim 1, wherein the connecting rod (31) slides through the first connecting portion (30) and is provided with a tightening cap (310) at one end for abutting and driving the first connecting portion (30), the other end of the connecting rod (31) is provided with a threaded section (311), and the second connecting portion (32) is a connecting nut in threaded engagement with the threaded section (311).
3. An aeroelastomer according to claim 2, wherein the end of the connecting rod (31) remote from the abutment cap (310) is provided with an operating structure for an operator to pull on the connecting rod (31).
4. The aeroelastomer according to claim 1, wherein said first connecting portion (30) and said second connecting portion (32) are provided with at least two groups, respectively located on both sides of said first cavity (21) and said second cavity (11).
CN202111315326.XA 2021-11-08 2021-11-08 Aviation elastomer Active CN114111465B (en)

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CN114111465B true CN114111465B (en) 2023-11-17

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652034A (en) * 1968-10-03 1972-03-28 Messerschmitt Boelkow Blohm Missle construction
JP2007070802A (en) * 2005-09-02 2007-03-22 Sekisui Chem Co Ltd Legged washer
CN101749199A (en) * 2008-11-27 2010-06-23 维斯塔斯风力系统集团公司 Tower for a wind turbine and a method for assembling the tower
CN203224176U (en) * 2012-11-23 2013-10-02 北京机电工程研究所 Fixing structure for the jointing and connecting of three layers of cabin segments
JP3189727U (en) * 2014-01-15 2014-03-27 ヒロセ株式会社 Friction joint structure using high strength bolts
CN112344808A (en) * 2020-10-11 2021-02-09 中国运载火箭技术研究院 Plug-in structure and cabin section subassembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652034A (en) * 1968-10-03 1972-03-28 Messerschmitt Boelkow Blohm Missle construction
JP2007070802A (en) * 2005-09-02 2007-03-22 Sekisui Chem Co Ltd Legged washer
CN101749199A (en) * 2008-11-27 2010-06-23 维斯塔斯风力系统集团公司 Tower for a wind turbine and a method for assembling the tower
CN203224176U (en) * 2012-11-23 2013-10-02 北京机电工程研究所 Fixing structure for the jointing and connecting of three layers of cabin segments
JP3189727U (en) * 2014-01-15 2014-03-27 ヒロセ株式会社 Friction joint structure using high strength bolts
CN112344808A (en) * 2020-10-11 2021-02-09 中国运载火箭技术研究院 Plug-in structure and cabin section subassembly

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