CN110901920B - Operating steel cable connecting device capable of being quickly separated - Google Patents
Operating steel cable connecting device capable of being quickly separated Download PDFInfo
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- CN110901920B CN110901920B CN201911231129.2A CN201911231129A CN110901920B CN 110901920 B CN110901920 B CN 110901920B CN 201911231129 A CN201911231129 A CN 201911231129A CN 110901920 B CN110901920 B CN 110901920B
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- Prior art keywords
- sleeve
- steel cable
- limiting
- connecting sleeve
- connecting device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/08—Dropping, ejecting, or releasing articles the articles being load-carrying devices
- B64D1/12—Releasing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/06—Helicopters with single rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/08—Dropping, ejecting, or releasing articles the articles being load-carrying devices
Abstract
The invention belongs to the field of aeronautical engineering, and relates to an operating steel cable connecting device capable of being quickly separated. According to the device, the first clamping jaw (43), the second clamping jaw (51), the connecting sleeve (42) and the limiting sleeve (53) are arranged, the widths of the first clamping jaw (43) and the second clamping jaw (51) are equal to the width of the groove of the connecting sleeve (42), so that the first clamping jaw (43) and the second clamping jaw (51) can only move along the axial direction of the connecting sleeve (42) after being connected, and the steel cable connection is realized through the connecting sleeve (42) and the limiting sleeve (53). The device of the invention can realize the quick separation of the control steel cable.
Description
Technical Field
The invention belongs to the field of aeronautical engineering, and relates to a control steel cable connecting device capable of being quickly separated.
Background
The outer suspension system of the light helicopter is generally installed outside the helicopter body, and in order to ensure the normal release of the outer suspension cargo, cargo release modes such as electrical release and mechanical release need to be provided at the same time. When the external hanging system adopts a mechanical throwing mode to throw the goods, the control steel rope is needed to be used for transmitting the control force and the movement so as to control the goods throwing. The operating cables are routed from inside the machine to the external suspension system outside the machine, as shown in fig. 1. When the external hanging system is not used, the external hanging system needs to be disassembled, but once the control steel cable is installed, the control steel cable part in the machine body is inconvenient to disassemble.
Disclosure of Invention
The purpose of the invention is as follows: the quick-separating operating steel cable connecting device can quickly separate the operating steel cable at the skin of the machine body, the inner part of the operating steel cable does not need to be disassembled, and only the outer part needs to be disassembled.
The technical scheme of the invention is as follows:
in a first aspect, a quick disconnect umbilical cord connection is provided comprising an inboard cable connection 40 and an outboard cable connection 50, the umbilical cord comprising an inboard cable 10 and an outboard cable 20.
The inboard cable attachment 40 includes a first jaw 43 and a coupling sleeve 42; the external steel cable connecting device 50 comprises a second claw 51, a connecting pipe 52 and a limiting sleeve 53;
the first end of the connecting sleeve 42 is a cylindrical barrel, and the side wall of the barrel is provided with two symmetrical through grooves; the middle section of the connecting sleeve 42 is a cylindrical barrel and is provided with an external thread; the outer diameter of the middle section of the connecting sleeve 42 is larger than the outer diameter of the first end of the connecting sleeve 42;
one ends of the first claw 43 and the second claw 51 are both provided with U-shaped buckles; the first claw 43 and the second claw 51 are connected through a U-shaped buckle, and the width of the U-shaped buckle is the same as that of the through groove;
the second ends of the first claw 43 and the second claw 51 are respectively connected with the inner steel cable 10 and the outer steel cable 20;
the first end of the connecting pipe 52 is barrel-shaped and provided with a limit boss;
the first end of the limiting sleeve 53 is provided with a limiting table matched with the limiting boss of the connecting pipe 52; the middle section of the limiting sleeve 53 is a cylindrical barrel with the inner diameter equal to the outer diameter of the first end of the connecting sleeve 42; the second end of the limiting sleeve 53 is a cylindrical barrel with the inner diameter identical to the outer diameter of the middle section of the connecting sleeve 42, and the second end of the limiting sleeve 53 is provided with an internal thread;
the limiting sleeve 53 is threaded with the connecting sleeve 42 through the connecting tube 52.
Optionally, a first wear sleeve connection end is also provided on the connection sleeve 42.
Optionally, a second wear sleeve connection end is also provided on the connection tube 52.
Optionally, the second end of the limiting sleeve 53 is further provided with a jack; the second end of connecting sleeve 42 still is provided with the spacer pin, and when fixed, the spacer pin of connecting sleeve 42 inserts the jack of spacing sleeve 53 for spacing sleeve 53 is connected reliably with connecting sleeve 42, and difficult pine takes off.
Optionally, the second end of the connecting sleeve 42 is further provided with a safety pin 41, and the second end of the limiting sleeve 53 is further provided with a sawtooth groove; when the safety pin 41 is fixed, the safety pin is inserted into the sawtooth groove, so that the limiting sleeve 53 and the connecting sleeve 42 are reliably connected and are not easy to loosen.
Optionally, a protective sleeve 60 is further included, the protective sleeve 60 being a cylindrical barrel provided with an internal thread and having an inner diameter equal to the outer diameter of the middle section of the connecting sleeve 42.
Optionally, the bottom profile of the U-shaped catch is circular and has the same diameter as the outer diameter of the cylindrical barrel at the first end of the connecting sleeve 42.
Optionally, the first end of connecting pipe 52 is the tubbiness and is provided with spacing boss, specifically includes: the first end of the connecting pipe 52 is a cylindrical barrel, and the limiting boss of the connecting pipe 52 is a limiting ring.
The invention has the beneficial effects that: the operating steel cable connecting device capable of being quickly separated can realize reliable transmission of the movement of the operating steel cable, can be quickly separated, and reduces the workload of the operating steel cable during maintenance.
Drawings
FIG. 1 is a schematic illustration of a steering cable arrangement;
FIG. 2 is a schematic illustration of a connection state of a quick disconnect umbilical cord connection according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of a disengaged condition of the quick disconnect operator cable connection according to an embodiment of the present invention;
FIG. 4 is an exploded view of a quick disconnect operating cable attachment device according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of the connection state of the quick disconnect operating cable attachment according to an embodiment of the present invention;
FIG. 6 isbase:Sub>A cross-sectional view taken along A-A in FIG. 5;
FIG. 7 is a cross-sectional view of a disengaged condition of the quick disconnect operator cable attachment according to an embodiment of the present invention.
The anti-abrasion device comprises an internal steel cable 10, an internal steel cable 11, a first anti-abrasion sleeve 12, an external steel cable 20, an external steel cable 21, a second anti-abrasion sleeve 22, an external hanging system 30, an internal steel cable connecting device 40, a safety pin 41, a connecting sleeve 42, a first clamping jaw 43, an external steel cable connecting device 50, a second clamping jaw 51, a connecting pipe 52, a limiting sleeve 53, a protecting sleeve 60 and a machine body support 70.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problem that the inner part of the operating steel cable is inconvenient to disassemble, the invention provides the operating steel cable connecting device capable of being quickly separated, the operating steel cable can be quickly separated from the skin of a machine body, the inner part of the operating steel cable does not need to be disassembled, only the outer part of the operating steel cable needs to be disassembled, and the maintainability of the operating steel cable is improved.
The invention relates to an operating steel cable connecting device capable of being quickly separated, which comprises an internal steel cable connecting device 40 and an external steel cable connecting device 50, wherein the operating steel cable comprises an internal steel cable 10 and an external steel cable 20, and the internal steel cable connecting device 40 comprises a first claw 43 and a connecting sleeve 42; the external steel cable connecting device 50 comprises a second claw 51, a connecting pipe 52 and a limiting sleeve 53; the first end of the connecting sleeve 42 is a cylindrical barrel, and the side wall of the barrel is provided with two symmetrical through grooves; the middle section of the connecting sleeve 42 is a cylindrical barrel and is provided with an external thread; the outer diameter of the middle section of the connecting sleeve 42 is larger than that of the first end of the connecting sleeve 42; one ends of the first claw 43 and the second claw 51 are both provided with U-shaped buckles; the first jaw 43 and the second jaw 51 are connected through a U-shaped buckle, and the width of the U-shaped buckle is the same as that of the through groove; the second ends of the first claw 43 and the second claw 51 are respectively connected with the internal steel cable 10 and the external steel cable 20; the first end of the connecting pipe 52 is barrel-shaped and provided with a limit boss; the first end of the limiting sleeve 53 is provided with a limiting table matched with the limiting boss of the connecting pipe 52; the middle section of the limit sleeve 53 is a cylindrical barrel with the inner diameter equal to the outer diameter of the first end of the connecting sleeve 42; the second end of the limiting sleeve 53 is a cylindrical barrel with the inner diameter same as the outer diameter of the middle section of the connecting sleeve 42, and the second end of the limiting sleeve 53 is provided with internal threads; the limiting sleeve 53 is threaded with the connecting sleeve 42 through the connecting tube 52.
Optionally, a first wear sleeve 12 attachment end is also provided on the adapter sleeve 42.
Optionally, a second wear sleeve 22 attachment end is also provided on the connecting tube 52.
Optionally, the second end of the limiting sleeve 53 is further provided with a jack; the second end of connecting sleeve 42 still is provided with the spacer pin, and when fixed, the spacer pin of connecting sleeve 42 inserts the jack of spacing sleeve 53 for spacing sleeve 53 is connected reliably with connecting sleeve 42, and difficult pine takes off.
Optionally, the second end of the connecting sleeve 42 is further provided with a safety pin 41, and the second end of the limiting sleeve 53 is further provided with a sawtooth groove; when the safety pin 41 is fixed, the safety pin is inserted into the sawtooth groove, so that the limiting sleeve 53 and the connecting sleeve 42 are reliably connected and are not easy to loosen.
Optionally, a protective sleeve 60 is further included, the protective sleeve 60 being a cylindrical barrel provided with an internal thread and having an inner diameter equal to the outer diameter of the middle section of the connecting sleeve 42.
Optionally, the bottom profile of the U-shaped clasp is circular and has the same diameter as the outer diameter of the cylindrical barrel of the first end of the connecting sleeve 42.
Optionally, the first end of connecting pipe 52 is the tubbiness and is provided with spacing boss, specifically includes: the first end of the connecting pipe 52 is a cylindrical barrel, and the limiting boss of the connecting pipe 52 is a limiting ring.
The embodiment is as follows:
a quick disconnect operator cable attachment system includes an inboard cable attachment 40, an outboard cable attachment 50, and a protective sleeve 60, as shown in FIG. 2. The inner wire rope connecting device 40 is connected to the inner wire rope 10, and the outer wire rope connecting device 50 is connected to the outer wire rope 20. The inboard cable attachment 40 is attached to the outboard cable attachment 50 and then installed in a yoke above the body bracket 70 and the protective sleeve 60 is installed in a yoke below the body bracket 70, as shown in fig. 2.
After the outer cable attachment 50 is separated from the inner cable attachment 40, the inner cable attachment 40 is threadably engaged with the protective sleeve 60 and installed in the yoke above the body bracket 70 without disassembly, as shown in fig. 3.
The inboard cable attachment 40 includes a safety pin 41, a coupling sleeve 42, and a first pawl 43, see FIG. 4. The connecting sleeve 42 is provided with an anti-wear sleeve connecting end which is connected with one end of the first anti-wear sleeve 12, the connecting position of the connecting sleeve 42 and the anti-wear sleeve 12 is subjected to point punching to be reliably connected, and the other end of the first anti-wear sleeve 12 can be fixed on a machine body structure through a stopper; the first jaw 43 is connected with the internal steel wire rope 11, and the joint of the first jaw 43 and the internal steel wire rope 11 is punched in a point mode, so that the first jaw and the internal steel wire rope are reliably connected.
The outboard cable connector 50 includes a second jaw 51, a connector tube 52, and a stop collar 53, see fig. 4. The connecting pipe 52 is provided with an anti-abrasion sleeve connecting end connected with one end of the second anti-abrasion sleeve 22, the connecting part of the connecting pipe 52 and the second anti-abrasion sleeve 22 is subjected to point punching to ensure that the connecting pipe is reliably connected, and the other end of the second anti-abrasion sleeve 22 can be fixed on the outer hanging system 30 through a stopper; the second jaw 51 is connected with the machine-exterior steel wire rope 21, and the joint of the second jaw 51 and the machine-exterior steel wire rope 21 is punched in a point mode so as to be connected reliably.
As shown in fig. 5, when the external cable connector 50 is connected to the internal cable connector 40, the second latch 51 is first connected to the first latch 43 by a U-shaped snap; then, the limiting sleeve 53 penetrates through the connecting pipe fitting 52 to be in threaded connection with the connecting sleeve 42, meanwhile, the connecting pipe fitting 52 is subjected to acting force exerted rightwards by the limiting sleeve 53, and one end of a limiting ring of the connecting pipe fitting 52 is tightly attached to the first end of the connecting sleeve 42; finally, the safety pin 41 on the connecting sleeve 42 is inserted into the serrated groove of the limit sleeve 53, so as to prevent the limit sleeve 53 from rotating relative to the connecting sleeve 42. The widths of the U-shaped buckles of the first claw 43 and the second claw 51 are equal to the width of the through groove at the first end of the connecting sleeve 42, and are both W; the diameters of the arc parts of the U-shaped buckles of the first jaw 43 and the second jaw 51 are equal to the outer diameter of the first end of the connecting sleeve 42 and the inner diameter of the middle section of the limiting sleeve 53, and are both D, as shown in fig. 6. The internal steel wire rope 11 is driven to move by a related mechanism, the internal steel wire rope 11 drives the first jaw 43 and the second jaw 51 to slide in the through groove at the first end of the connecting sleeve 42 and the hole at the middle section of the limiting sleeve 53, and then the external steel wire rope 21 is driven to slide, so that the transmission of the motion of the control steel rope is realized. Because the first jaw 43 and the second jaw 51 are limited by the through groove at the first end of the connecting sleeve 42 and the inner hole at the middle section of the limiting sleeve 53, the first jaw 43 and the second jaw 51 cannot be separated and can only move along the axial direction of the connecting sleeve 42, so that the moving directions of the first jaw 43 and the second jaw 51 are clear and the connection is reliable.
As shown in fig. 5, when the external cable needs to be separated, the safety pin 41 is removed, the limit sleeve 53 is removed, the second jaw 51 and the first jaw 43 are separated, and then the external cable 20 and the external cable connecting device 40 are removed; the protective sleeve 60 is screwed with the connecting sleeve 42, and the safety pin 41 is mounted on the connecting sleeve 42, so that the quick separation of the control cable can be realized, as shown in fig. 7.
The key point of the invention
The invention is provided with a connecting sleeve 42, a first jaw 43, a second jaw 51 and a limiting sleeve 53, and can transmit the motion of an internal steel wire rope 11 to an external steel wire rope 21; the widths of the U-shaped buckles of the first claw 43 and the second claw 51 are equal to the width of the groove at the first end of the connecting sleeve 42, the diameters of the arc parts of the U-shaped buckles of the first claw 43 and the second claw 51 are equal to the outer diameter of the first end of the connecting sleeve 42 and the inner diameter of the middle section of the limiting sleeve 53, 5 directional degrees of freedom of the first claw 43 and the second claw 51 are limited, only the degree of freedom along the axial direction of the connecting sleeve 42 is reserved, and therefore the first claw 43 and the second claw 51 are reliably connected and the moving direction is clear; the invention is provided with the safety pin 41, so that after the connecting sleeve 42 is connected with the limiting sleeve 53 (or the protecting sleeve 60), the connection is reliable and cannot be loosened.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An operating steel cable connecting device capable of being quickly separated is characterized by comprising an internal steel cable connecting device (40) and an external steel cable connecting device (50), wherein the operating steel cable comprises an internal steel cable (10) and an external steel cable (20);
the inner cable connecting device (40) comprises a first claw (43) and a connecting sleeve (42); the external steel cable connecting device (50) comprises a second jaw (51), a connecting pipe fitting (52) and a limiting sleeve (53);
the first end of the connecting sleeve (42) is a cylindrical barrel, and the side wall of the barrel is provided with two symmetrical through grooves; the middle section of the connecting sleeve (42) is a cylindrical barrel and is provided with an external thread; the outer diameter of the middle section of the connecting sleeve (42) is larger than that of the first end of the connecting sleeve (42);
one ends of the first clamping jaw (43) and the second clamping jaw (51) are provided with U-shaped buckles; the first clamping jaw (43) is connected with the second clamping jaw (51) through a U-shaped buckle, and the width of the U-shaped buckle is the same as that of the through groove;
the second ends of the first claw (43) and the second claw (51) are respectively connected with the inner steel cable (10) and the outer steel cable (20);
the first end of the connecting pipe fitting (52) is barrel-shaped and is provided with a limiting boss;
the first end of the limiting sleeve (53) is provided with a limiting table matched with a limiting boss of the connecting pipe fitting (52); the middle section of the limiting sleeve (53) is a cylindrical barrel with the inner diameter equal to the outer diameter of the first end of the connecting sleeve (42); the second end of the limiting sleeve (53) is a cylindrical barrel with the inner diameter being the same as the outer diameter of the middle section of the connecting sleeve (42), and the second end of the limiting sleeve (53) is provided with internal threads;
the limiting sleeve (53) penetrates through the connecting pipe fitting (52) to be in threaded connection with the connecting sleeve (42);
the second end of the connecting sleeve (42) is also provided with a safety pin (41), and the second end of the limiting sleeve (53) is also provided with a sawtooth groove; when the safety pin is fixed, the safety pin (41) is inserted into the sawtooth groove;
the device also comprises a protective sleeve (60) and a machine body bracket (70), wherein the protective sleeve (60) is a cylindrical barrel provided with internal threads, and the inner diameter of the protective sleeve is the same as the outer diameter of the middle section of the connecting sleeve (42);
the inner steel cable connecting device (40) is connected with the outer steel cable connecting device (50) and then installed in a hoop above the machine body support (70), the protecting sleeve (60) is installed in the hoop below the machine body support (70), after the outer steel cable connecting device (50) is separated from the inner steel cable connecting device (40), the inner steel cable connecting device (40) is in threaded connection with the protecting sleeve (60) and installed in the hoop above the machine body support (70), and dismounting is not needed.
2. The apparatus of claim 1 wherein the coupling sleeve (42) is further provided with a first wear sleeve connection end.
3. The device according to claim 1, characterized in that the connecting tube (52) is further provided with a second wear sleeve connection end.
4. Device according to claim 1, characterized in that the second end of the restraining sleeve (53) is also provided with a socket; the second end of the connecting sleeve (42) is also provided with a limiting pin, and when the connecting sleeve is fixed, the limiting pin of the connecting sleeve (42) is inserted into the jack of the limiting sleeve (53).
5. Device according to claim 1, characterized in that the bottom profile of the U-shaped catch is circular and has the same diameter as the outer diameter of the cylindrical barrel of the first end of the connecting sleeve (42).
6. The device according to claim 1, characterized in that the first end of the connecting tube (52) is barrel-shaped and provided with a limit boss, comprising in particular: the first end of the connecting pipe fitting (52) is a cylindrical barrel, and the limiting lug boss of the connecting pipe fitting (52) is a limiting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231129.2A CN110901920B (en) | 2019-12-04 | 2019-12-04 | Operating steel cable connecting device capable of being quickly separated |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911231129.2A CN110901920B (en) | 2019-12-04 | 2019-12-04 | Operating steel cable connecting device capable of being quickly separated |
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| Publication Number | Publication Date |
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| CN110901920A CN110901920A (en) | 2020-03-24 |
| CN110901920B true CN110901920B (en) | 2022-12-06 |
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| 飞机机械传动系统动力学特性与工程设计软件技术研究;丁文勇等;《中国优秀硕士学位论文全文数据库 (工程科技Ⅱ辑)》;20061031;全文 * |
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