CN114030615B - Telescopic rod type rope lowering device of helicopter - Google Patents
Telescopic rod type rope lowering device of helicopter Download PDFInfo
- Publication number
- CN114030615B CN114030615B CN202111382158.6A CN202111382158A CN114030615B CN 114030615 B CN114030615 B CN 114030615B CN 202111382158 A CN202111382158 A CN 202111382158A CN 114030615 B CN114030615 B CN 114030615B
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- China
- Prior art keywords
- sliding rail
- rail support
- telescopic rod
- sleeve
- support
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT 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
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Flexible Shafts (AREA)
Abstract
The invention belongs to the field of equipment design on a helicopter, and relates to a telescopic rod type rope descending device of a helicopter. The cable descending device comprises a front support assembly (1), a rear support assembly (2) and a telescopic rod assembly; the telescopic rod assembly comprises a sleeve (3) and a telescopic rod (4), the telescopic rod (4) is inserted into the sleeve (3) in a sliding mode, and one end of the telescopic rod (4) is connected with a rope; the two ends of the sleeve (3) are respectively fixed on the helicopter body structure through the front support assembly (1) and the rear support assembly (2). The invention can realize the rapid installation and disassembly of the telescopic rod type cable descending device, and simultaneously can greatly reduce the weight of the fixed structure on the machine.
Description
Technical Field
The invention belongs to the field of equipment design on a helicopter, and relates to a telescopic rod type rope descending device of a helicopter.
Background
The helicopter rope drop device is used for rapidly delivering troop, and has the advantages of rapidly and accurately delivering troop force, reducing the helicopter take-off and landing time and reducing the helicopter take-off and landing risk. And the helicopter rope descending device is used for descending the weapon, so that the helicopter can realize the delivery of weapon force even on the water surface without considering the ground condition.
The helicopter rope drop device is arranged near the cabin door, so that personnel in the cabin can quickly slide down. At present, the domestic helicopter rope descending device comprises an external fixed type cabin and an internal telescopic rod type cabin. The telescopic rod type cable descending device is arranged in the cabin of the helicopter and is in a retracted state in the flying process, so that the opening and closing of the cabin door are not influenced; in the extending state in the hovering and sliding down process, the weapon can utilize the cable descending device to slide down rapidly. However, the existing rope lowering device mechanism is heavy and time-consuming and labor-consuming to install.
Disclosure of Invention
The invention aims to: the telescopic rod type rope lowering device of the helicopter can achieve rapid installation and disassembly of the telescopic rod type rope lowering device, and meanwhile the weight of a fixed structure on the helicopter can be greatly reduced.
The technical scheme of the invention is as follows: provided is a telescopic rod type rope lowering device of a helicopter, comprising: the cable descending device comprises a front support assembly 1, a rear support assembly 2 and a telescopic rod assembly; the telescopic rod assembly comprises a sleeve 3 and a telescopic rod 4, the telescopic rod 4 is inserted into the sleeve 3 in a sliding manner, and one end of the telescopic rod 4 is connected with a rope;
the two ends of the sleeve 3 are respectively fixed on the helicopter body structure through the front support assembly 1 and the rear support assembly 2.
Optionally, the front mount assembly 1 comprises: a front chute joint 101 and a front chute support 102 fixedly connected; the front chute joint 101 is fixedly connected with the helicopter body structure;
the sleeve 3 is arranged on the front slide rail support 102 in a penetrating way, and the sleeve 3 and the front slide rail support 102 are inserted into each other through the quick release pin 105, so that the two are fixedly connected.
Optionally, a sliding groove is arranged at the lower end of the front sliding groove joint 101, a sliding rail is arranged at the upper end of the front sliding rail support 102, the sliding rail of the front sliding rail support 102 is slidably connected to the sliding groove of the front sliding groove joint 101, a first limiting block 103 is inserted into the sliding rail groove of the front sliding rail support 102, and the limiting block 103 is mounted on the front sliding rail support 102 through a first screw 104, so that the front sliding groove joint 101 and the front sliding rail support 102 are connected;
the limiting block 103 is connected with the quick release pin 105 through a steel wire rope 108.
Optionally, a sliding groove is axially arranged on the outer side of the sleeve 3, and a first guide block 106 is arranged on the front sliding rail support 102; the first guide block 106 passes through the upper end of the front slide rail support 102 and extends into the slide groove of the sleeve 3 to realize the guide of the sleeve 3 in the axial direction.
Optionally, the rear mount assembly 2 includes a rear chute connector 201 and a rear slide mount 202; the rear chute joint 201 is fixed to the helicopter body structure; the lower end of the rear chute connector 201 is provided with a chute, and the upper end of the rear slide rail support 202 is provided with a slide rail;
after the sliding rail of the rear sliding rail support 202 is slidably connected to the sliding groove of the rear sliding groove connector 201, the second limiting block 205 is inserted into the sliding rail groove of the rear sliding rail support 202, and the second limiting block 205 is mounted on the rear sliding rail support 202 through the fourth screw 206, so that the rear sliding groove connector 201 and the rear sliding rail support 202 are connected.
Optionally, a second guide block 203 is disposed on the rear slide support 202, and the second guide block 203 passes through the upper end of the rear slide support 202 and extends into the chute of the sleeve 3, so as to realize the guiding of the sleeve 3 in the axial direction.
Optionally, the first guide block 106 and the second guide block 203 are both in L-shaped structures, and are correspondingly and fixedly connected to the front sliding rail support 102 and the rear sliding rail support 202 through the second screw 107 and the third screw 204 respectively.
The invention has the technical effects that: the conventional integral joint is designed into a separable chute joint and a sliding rail support, and when the cable descending device is not used, only the sliding rail joint is reserved on the machine, and the sliding rail support and the cable descending device can be quickly disassembled and assembled according to the task. The risk of collision caused by oversized integral mounting support occupying space in the cabin is avoided, and the weight of the helicopter aircraft generated by the joint is reduced as much as possible. The quick installation and locking of the chute connector and the slide rail support are realized by designing a boss at one end of the slide rail support and a slot at the other end of the slide rail support and inserting a limiting block. Through design U type groove in preceding fixed bolster subassembly, back fixed bolster subassembly to put into the mode of L type stopper, realized the flexible direction of telescopic link. Because the quick-release pin is frequently plugged and unplugged in the use process, the quick-release pin is prevented from being lost by adopting a steel wire rope to be connected to the limiting block.
The invention skillfully adopts a mode of combining the sliding rail, the sliding chute and the limiting block, designs a fixing device with a locking function, which can be rapidly disassembled, and can realize X, Y, Z three-way load transmission. Meanwhile, the device realizes the telescopic guide of the telescopic rod by putting the guide block in the lower sliding rail joint and matching the guide block with the guide groove of the telescopic rod. The invention can integrate quick-release, limit and guide, and has better application effect on the installation of the telescopic rod type cable descending device.
Drawings
FIG. 1 is a schematic diagram of a telescoping cable-dropping apparatus;
FIG. 2 is a schematic view of the front mount assembly;
FIG. 3 is a schematic view of the rear seat assembly;
FIG. 4 is a schematic view of a cable drop stowed condition;
fig. 5 is a schematic view of the rope-lowering extended state.
Detailed Description
The invention is explained below with reference to the drawings.
The embodiment provides a telescopic rod type cable descending device of a helicopter, which mainly comprises a front support assembly 1, a rear support assembly 2 and a telescopic rod.
As shown in fig. 1, the telescopic rope lowering device is installed and fixed on a top frame beam in a helicopter cabin through a front support assembly 1 and a rear support assembly 2. The telescopic rod type cable descending device further comprises a telescopic rod, a sleeve and a rope.
As shown in fig. 2, the front support assembly 1 is composed of a front chute joint 101, a front slide support 102, a first stopper 103, a first screw 104, a quick release pin 105, a first guide block 106, a second screw 107 and a wire rope 108.
The front chute joint 101 is fixed on the top of the helicopter through a bolt and nut connection.
The end face of the front sliding rail support 102 is provided with 1 quick-release pin mounting hole, the telescopic cable descending device sleeve and the telescopic pipe are provided with through holes with the same size, the telescopic rod is placed into the sleeve, the sleeve is placed into the hole of the front sliding rail support 102, and the sleeve, the telescopic rod and the front sliding rail support 102 are connected together through the quick-release pin.
The first guide block 106 is designed into an L shape, when the telescopic rod is connected with the front sliding rail support 102 through the quick release pin, the guide block 106 is placed in a U-shaped step hole in the middle of a sliding rail of the front sliding rail support 102, the first guide block 106 penetrates through the sliding rail support 102, the sleeve and the guide groove of the telescopic rod in the sleeve, and is fixed through the second screw 107, so that the telescopic guide of the telescopic rod of the telescopic cable lowering device can be realized. While preventing the cable lowering device sleeve from moving and rotating axially within the front rail mount 102.
The lower extreme of preceding spout joint 101 is provided with the spout, and preceding slide rail support 102 upper end is provided with the slide rail, and behind the slide rail sliding connection of preceding slide rail support 102 in the spout of preceding spout joint 101, first stopper 103 inserts the slide rail fluting department of preceding slide rail support 102 to install stopper 103 on preceding slide rail support 102 through first screw 104, realize the connection of preceding slide rail joint 101 and preceding slide rail support 102. The limiting block 103 is connected with the quick release pin 105 through a steel wire rope 108, so that an anti-lost effect is achieved.
As shown in fig. 3, the rear support assembly 2 is composed of a rear chute joint 201, a rear slide support 202, a second guide block 203, a third screw 204, a second stopper 205, and a fourth screw 206.
The rear chute joint 201 is fixed to the top of the helicopter by a bolt and nut connection.
The design features of the rear chute joint 201 and the rear slide bracket 202 are similar to those of the front chute joint 101 and the front slide bracket 102. The sleeve is placed into the hole of the rear sliding rail support 202, the L-shaped second guide block 203 is placed into the U-shaped step hole in the middle of the sliding rail of the rear sliding rail support 202, and the sleeve position is adjusted to enable the L-shaped guide block to fall into the guide groove outside the sleeve and fixed through the third screw 204.
After the sliding rail of the rear sliding rail support 202 is slidingly connected with the sliding groove of the rear sliding groove connector 201, the second limiting block 205 is inserted into the sliding rail groove of the rear sliding rail support 202, and the second limiting block 205 is mounted on the rear sliding rail support 202 through the fourth screw 206, so that the connection between the rear sliding groove connector 201 and the rear sliding rail support 202 is realized
The upper parts of the front sliding rail support 102 and the rear sliding rail support 202 are provided with sliding rails, one side of the sliding rail section is provided with a slot, and the end part of the other side is provided with a boss. After the front sliding rail support 102 and the rear sliding rail support 202 are connected with the sleeve and the telescopic rod, the sliding rail of the front sliding rail support 102 is aligned with the sliding groove of the front sliding groove joint 101 and the sliding rail of the rear sliding rail support 202 is aligned with the sliding groove of the rear sliding groove joint 201 from the slotted end of the sliding rail, and the sliding rail support is horizontally pushed to enable the sliding rail boss of the sliding rail support to be in contact with the sliding groove of the sliding groove joint, so that the rapid installation of the sliding rail support and the sliding groove joint is completed.
As shown in fig. 4 and fig. 5, the quick release pin 105 is pulled out, the telescopic rod is pulled to two ends, and the quick release pin 105 is inserted, so that the telescopic rope lowering device can be telescopic. When the cable is suspended and lowered, the telescopic rod is pulled to the longest, and the quick release pin is inserted, so that the cable lowering device can be adjusted to a use state; in the flight process, the telescopic rod can be retracted to the shortest, and the cable descending device can be adjusted to the retracted state, so that the closing of the helicopter cabin door is not affected.
The first guide block 106 is matched with the telescopic rod guide groove, and plays a guiding role in the process of pulling the telescopic rod.
The sliding rail support is installed together with the telescopic cable lowering device, so that the cable lowering device can be quickly disassembled and installed according to the cable lowering task requirement; the weight of the helicopter is reduced. The sliding rail support is matched with the sliding groove through the sliding rail, so that Y-direction and Z-direction load transmission of the cable descending device is realized; the boss and the limiting block at the end part of the sliding rail support are matched with the sliding groove of the sliding groove connector, so that the X-direction load transmission is realized.
Claims (5)
1. A telescopic rod type rope lowering device of a helicopter is characterized in that,
comprising the following steps:
the cable descending device comprises a front support assembly (1), a rear support assembly (2) and a telescopic rod assembly;
the telescopic rod assembly comprises a sleeve (3) and a telescopic rod (4), the telescopic rod (4) is inserted into the sleeve (3) in a sliding mode, and one end of the telescopic rod (4) is connected with a rope;
two ends of the sleeve (3) are respectively fixed on the helicopter body structure through the front support assembly (1) and the rear support assembly (2);
the front support assembly (1) comprises: a front chute joint (101) and a front chute support (102) which are fixedly connected; the front chute joint (101) is fixedly connected with the helicopter body structure;
the sleeve (3) is penetrated through the front sliding rail support (102), and the sleeve (3) and the front sliding rail support (102) are inserted through the quick release pin (105) to realize the fixed connection of the sleeve and the front sliding rail support;
the lower end of the front sliding groove joint (101) is provided with a sliding groove, the upper end of the front sliding rail support (102) is provided with a sliding rail, the sliding rail of the front sliding rail support (102) is slidably connected to the sliding groove of the front sliding groove joint (101), the first limiting block (103) is inserted into the sliding rail groove of the front sliding rail support (102), and the first limiting block (103) is mounted on the front sliding rail support (102) through a first screw (104), so that the front sliding groove joint (101) is connected with the front sliding rail support (102);
the first limiting block (103) is connected with the quick-release pin (105) through a steel wire rope (108);
the rear support assembly (2) comprises a rear chute joint (201) and a rear slide support (202); the rear chute joint (201) is fixed on the helicopter body structure; the lower end of the rear chute connector (201) is provided with a chute, and the upper end of the rear slide rail support (202) is provided with a slide rail;
the sliding rail of the rear sliding rail support (202) is slidably connected to the sliding groove of the rear sliding groove connector (201), the second limiting block (205) is inserted into the sliding rail groove of the rear sliding rail support (202), and the second limiting block (205) is mounted on the rear sliding rail support (202) through a fourth screw (206), so that the rear sliding groove connector (201) is connected with the rear sliding rail support (202).
2. The rope lowering device according to claim 1, wherein,
a sliding groove is axially formed in the outer side of the sleeve (3), and a first guide block (106) is arranged on the front sliding rail support (102); the first guide block (106) passes through the upper end of the front sliding rail support (102) and stretches into the sliding groove of the sleeve (3) so as to realize the guide of the sleeve (3) in the axial direction.
3. The rope lowering device according to claim 1, wherein,
the rear sliding rail support (202) is provided with a second guide block (203), and the second guide block (203) passes through the upper end of the rear sliding rail support (202) and stretches into a sliding groove of the sleeve (3) so as to realize the guide of the sleeve (3) in the axial direction.
4. The rope lowering device according to claim 2, wherein,
the first guide block (106) is of an L-shaped structure and is fixedly connected to the front sliding rail support (102) through a second screw (107).
5. A cable lowering device as claimed in claim 3, wherein,
the second guide block (203) is fixedly connected to the rear slide rail support (202) through a third screw (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382158.6A CN114030615B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod type rope lowering device of helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382158.6A CN114030615B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod type rope lowering device of helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114030615A CN114030615A (en) | 2022-02-11 |
| CN114030615B true CN114030615B (en) | 2023-10-27 |
Family
ID=80145192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111382158.6A Active CN114030615B (en) | 2021-11-19 | 2021-11-19 | Telescopic rod type rope lowering device of helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114030615B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0222939D0 (en) * | 2002-07-27 | 2002-11-13 | Dae Won Ind Co Ltd | Dismountable seat |
| CN106184762A (en) * | 2016-08-30 | 2016-12-07 | 航宇救生装备有限公司 | Collapsible helicopter rope falling unit |
| CN205998140U (en) * | 2016-08-30 | 2017-03-08 | 航宇救生装备有限公司 | Collapsible helicopter rope falling unit |
| CN214190113U (en) * | 2020-11-30 | 2021-09-14 | 航宇救生装备有限公司 | Quick-release mechanism for cable lowering |
-
2021
- 2021-11-19 CN CN202111382158.6A patent/CN114030615B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0222939D0 (en) * | 2002-07-27 | 2002-11-13 | Dae Won Ind Co Ltd | Dismountable seat |
| CN106184762A (en) * | 2016-08-30 | 2016-12-07 | 航宇救生装备有限公司 | Collapsible helicopter rope falling unit |
| CN205998140U (en) * | 2016-08-30 | 2017-03-08 | 航宇救生装备有限公司 | Collapsible helicopter rope falling unit |
| CN214190113U (en) * | 2020-11-30 | 2021-09-14 | 航宇救生装备有限公司 | Quick-release mechanism for cable lowering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114030615A (en) | 2022-02-11 |
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