CN112278292A - Cabin door emergency slide bar mechanism applied to civil aircraft - Google Patents
Cabin door emergency slide bar mechanism applied to civil aircraft Download PDFInfo
- Publication number
- CN112278292A CN112278292A CN202011240857.2A CN202011240857A CN112278292A CN 112278292 A CN112278292 A CN 112278292A CN 202011240857 A CN202011240857 A CN 202011240857A CN 112278292 A CN112278292 A CN 112278292A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- limiting block
- fixed
- slide bar
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
- B64D25/08—Ejecting or escaping means
- B64D25/14—Inflatable escape chutes
Abstract
The invention relates to a cabin door emergency slide bar mechanism applied to a civil aircraft, which is connected with a floor clamp at a cabin door, and comprises a vertical connecting bar, wherein the vertical connecting bar is positioned right above the floor clamp, and the position of the connecting bar is switched between a first position and a second position; hold the subassembly tightly and establish in the connecting rod below, include: the magnetic base is fixed on the floor clamp, the adsorption surface of the magnetic base is vertical to the upper surface of the floor clamp, and a V-shaped groove I is formed in the adsorption surface of the magnetic base; the block body is fixed on the floor clamp and positioned on the side edge of the magnetic base, a V-shaped groove II with the same structure as the V-shaped groove I is formed in the block body, and the V-shaped groove II and the V-shaped groove I are oppositely arranged to form a clamping space; the limiting block is arranged in a sliding groove horizontally formed in the block body in a penetrating mode, and the end portion of the limiting block is matched with a positioning structure formed in the connecting rod; the traction assembly is arranged on the limiting block; the reset component is arranged on the limiting block. The invention has simple structure and high reliability.
Description
Technical Field
The invention belongs to the technical field of emergency lifesaving, and particularly relates to a cabin door emergency slide bar mechanism applied to a civil aircraft.
Background
Each passenger plane is generally provided with an emergency slide which is rapidly and automatically inflated to be deployed when the plane is in an emergency state, such as emergency landing, after a cabin door of the plane is opened.
The emergency slide rod mechanism is arranged on the existing airplane cabin door, and can be switched between a pre-position state and a release pre-position state, in the pre-position state, the slide rod is matched with a floor clamping clip arranged on the floor of an airplane, so that when the cabin door is opened, the emergency slide is inflated correspondingly, the emergency slide is unfolded, in the release pre-position state, the trigger connection between the slide rod and the floor is released, and the slide cannot be unfolded along with the opening of the cabin door.
However, the conventional emergency slide bar mechanism for the aircraft door has a complicated structure connected with a floor clip and is poor in reliability.
Disclosure of Invention
In view of the above, the present invention provides an emergency slide bar mechanism for a cabin door of a civil aircraft, so as to solve the disadvantages of the prior art.
The technical scheme of the invention is as follows:
the utility model provides a be applied to emergent slide bar mechanism of hatch door of civil aviation aircraft, is connected with the floor clamping of hatch door department, includes:
the connecting rod is vertically arranged and is positioned right above the floor clamp, and the position of the connecting rod is converted between a first position and a second position;
embrace subassembly tightly, set up in the connecting rod below, when the connecting rod is located the first position for realizing with holding tightly of connecting rod fixed, when the connecting rod is located the second position, be used for realizing with breaking away from of connecting rod, include:
the magnetic base is fixed on the floor clamp, an adsorption surface of the magnetic base is perpendicular to the upper surface of the floor clamp, and a V-shaped groove I is formed in the adsorption surface of the magnetic base;
the block body is fixed on the floor clamp and positioned on the side edge of the magnetic base, a V-shaped groove II with the same structure as the V-shaped groove is formed in the block body, and the V-shaped groove II and the V-shaped groove I are oppositely arranged to form a clamping space for accommodating the connecting rod;
the limiting block is arranged in a sliding groove horizontally formed in the block body in a penetrating mode, and the end portion of the limiting block is matched with a positioning structure formed in the connecting rod;
the traction assembly is arranged on the limiting block and is used for drawing the limiting block to move;
and the resetting component is arranged on the limiting block and used for resetting the limiting block.
Preferably, the pulling assembly comprises:
the bracket is arranged on the upper side of the floor clamp and is positioned on one side of the limiting block, which is far away from the magnetic seat;
the roller is arranged at the top end of the bracket;
one end of the traction rope is connected with the handheld portion, and the other end of the traction rope is connected with the end portion of the limiting block after bypassing the roller.
Preferably, the reset assembly comprises:
the flange plate is sleeved and fixed on the limiting block and is positioned on one side, close to the support, of the limiting block;
and the elastic pieces are arranged between the flange plate and the block body, one ends of the elastic pieces are connected with the flange plate, and the other ends of the elastic pieces are connected with the block body.
Preferably, the method further comprises the following steps:
the output part of the motion conversion structure is connected with the connecting rod and is used for driving the connecting rod to convert between a first position and a second position;
the handheld part is connected with the input piece of the motion conversion structure and used for inputting power to drive the motion conversion structure to realize preset action, and a control switch is arranged on the handheld part and electrically connected with the magnetic base.
Preferably, the motion conversion structure includes:
the first fixed bracket is fixed with the cabin door;
the rotating shaft horizontally penetrates through the first fixing support, and the handheld part is fixedly sleeved with one end of the rotating shaft;
the connecting rod is arranged in parallel with the handheld part, and one end of the connecting rod is sleeved and fixed with the rotating shaft;
the deflector rod is fixedly connected with one end of the connecting rod, which is far away from the rotating shaft;
the shifting rod is inserted into the sliding groove, and the middle of the moving block is fixed with a connecting rod which is vertically arranged.
Preferably, the positioning structure comprises:
the lower end of the connecting rod is provided with a groove, and the groove is matched with the end part of the limiting block.
Preferably, the lower end of the groove is provided with a sharp pointed end convenient for sliding down and guiding, and the sharp pointed end is matched with a limiting groove arranged on the upper surface of the floor clamp.
Preferably, the upper side of the moving block is further fixedly connected with a rod body for guiding, the rod body and the connecting rod are coaxially arranged, the rod body is sleeved in the first sleeve and can slide in the first sleeve, the connecting rod is sleeved in the second sleeve and can slide in the second sleeve, and the second sleeve and the first sleeve are respectively fixed with the second fixed support.
After the cabin door is closed, the device is in a pre-positioned state, namely the connecting rod is connected with the floor in a clamping manner, so that the emergency slide is conveniently inflated when the cabin door is opened in an emergency, and the emergency slide is unfolded.
When preparing for the preset state, hand-push handheld portion rotates round the pivot, drive the connecting rod, the driving lever rotates in step, thereby make the driving lever force the movable block to drive the body of rod, the connecting rod moves down in step, make the connecting rod cartridge set up the clamping space that constitutes relatively in V type groove two and V type groove one, the in-process that the connecting rod moved down, the outline oppression stopper of connecting rod moves outward, vacate the space that moves down of connecting rod, when the recess on the connecting rod moves down the position that corresponds with the stopper, the stopper card is in the recess, form the injecing to the position of connecting rod, at this moment, press the control switch of the tip of handheld portion again, make magnetism on the magnetic force seat, adsorb the connecting rod, magnetic force seat and stopper synchronization action, make the connection of connecting rod and floor clamping more reliable.
In the state of relieving the pre-position, the trigger connection between slide pole and the floor is relieved to the slide can not open along with the hatch door and expand, when relieving the pre-position, gives the magnetic force seat outage demagnetization earlier, then stimulates the haulage rope, pulls out the recess with the stopper, and the handheld portion of reverse rotation again makes the connecting rod rise, and the escape clamping space can accomplish and relieve the pre-position.
Compared with the prior art, the cabin door emergency slide bar mechanism applied to the civil aircraft, provided by the invention, has the advantages of simple structure, high reliability and strong practicability, and is worthy of popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of a partial structure of the present invention.
Detailed Description
The invention provides a cabin door emergency slide bar mechanism applied to a civil aircraft, which is described below by combining the structural schematic diagrams of figures 1 to 2.
Example 1
As shown in fig. 1 and 2, the hatch door emergency slide bar mechanism applied to civil aircraft provided by the invention is connected with a floor clip 2 at a hatch door, and the structure of the hatch door emergency slide bar mechanism comprises a handheld part 12 for applying a control force, wherein the handheld part 12 is connected with an input part of a motion conversion structure for inputting power to drive the motion conversion structure to realize a predetermined action, and an output part of the motion conversion structure is connected with a connecting rod 4 for driving the connecting rod 4 to switch between a first position and a second position.
The subassembly is embraced in the setting of connecting rod 4 below for when connecting rod 4 is located the first position, be used for realizing with 4 holding of connecting rod fixed tightly, when connecting rod 4 is located the second position, be used for realizing with 4 breaking away from of connecting rod.
Wherein, hold the structure of subassembly and specifically include:
fix the magnetic force seat 3 at 2 upsides on the floor clamping, the adsorption plane of magnetic force seat 3 is perpendicular with the upper surface of floor clamping 2, has seted up V type groove one on the adsorption plane of magnetic force seat 3, and the control switch who is connected with the electric of magnetic force seat 3 sets up the tip at handheld portion 12, conveniently operates control switch when exerting the effort.
The block body 1 is fixed on the upper side of the floor clamp 2 and is positioned on the side edge of the magnetic base 3, a V-shaped groove II which has the same structure as the V-shaped groove is formed in the block body 1, the V-shaped groove II and the V-shaped groove I are oppositely arranged to form a clamp space for fixing the position of the connecting rod 4, and the clamp space is matched with the connecting rod 4. The spout has been seted up to the level on the block 1, wears to be equipped with stopper 15 in the spout for locking connecting rod 4 position, stopper 15's tip matches with the location structure of seting up on connecting rod 4.
Wherein, location structure includes: the groove 404 is formed in the lower end of the connecting rod 4, and the size of the groove 404 is matched with the end of the limiting block 15.
The limiting block 15 is further provided with a traction assembly for drawing the limiting block 15 to move, and when the traction assembly acts, the limiting block 15 is driven to move, so that the limiting block is separated from the groove 404, and the limiting of the connecting rod 4 is relieved.
The reset component arranged on the limiting block 15 and used for enabling the limiting block 15 to return to the initial position is used for releasing limiting of the connecting rod 4, and after the connecting rod 4 moves upwards, the limiting block 15 returns to the original limiting position.
By way of further illustration, the structure of the tow assembly includes:
the support 17 that sets up in floor clip 2 upside is located the stopper 15 and keeps away from one side of magnetic base 3, and the top of support 17 sets up gyro wheel 16, and the winding has haulage rope 14 on the gyro wheel 16, and the one end and the handheld portion 12 of haulage rope 14 are connected, and the other end is walked around behind the gyro wheel 16 and is connected with the end connection of stopper 15.
By way of further illustration, the reset assembly is configured to include:
the limiting block 15 is sleeved with a fixed flange, the flange is positioned on one side, close to the support 17, of the limiting block 15, a plurality of elastic pieces 5 are arranged between the flange and the block body 1, one end of each elastic piece 5 is fixedly connected with the corresponding flange, and the other end of each elastic piece 5 is fixedly connected with the corresponding block body 1.
By way of further illustration, the structure of the motion-converting structure includes:
the first fixed support 11 is fixed with the cabin door, a rotating shaft 13 horizontally penetrates through the first fixed support 11, the handheld portion 12 is fixed with one end of the rotating shaft 13 in a sleeved mode, a connecting rod 10 is arranged in parallel with the handheld portion 12, one end of the connecting rod 10 is fixed with the rotating shaft 13 in a sleeved mode, the other end of the connecting rod 10 is fixedly connected with a deflector rod 7, and the deflector rod 7 is arranged in parallel with the rotating shaft 13.
One end of the shift lever 7 is inserted into the inclined sliding groove 403, the sliding groove 403 is arranged on the moving block 402, and the middle of the moving block 402 is fixedly connected with the vertically arranged connecting rod 4.
Further, a sharp pointed end 405 convenient for sliding down and guiding is arranged below the groove 404, and the sharp pointed end 405 is matched with a limit groove arranged on the upper surface of the floor clamp 2.
Further, the upper side of the moving block 402 is fixedly connected with a rod body 401, the rod body 401 is used for guiding, the rod body 401 and the connecting rod 4 are coaxially arranged, the rod body 401 is sleeved in the sleeve I9, the rod body 401 can slide in the sleeve I9, the connecting rod 4 is sleeved in the sleeve II 6 and can slide in the sleeve II 6, the sleeve II 6 and the sleeve I9 are respectively fixed with the fixed support II 8, and the two fixed support II 8 are respectively fixed with the cabin door.
After the hatch door is closed, the device provided by the invention is in a pre-positioned state, namely the connecting rod 4 is connected with the floor clamp 2, so that the emergency slide is conveniently inflated when the hatch door is opened in an emergency, and the emergency slide is unfolded.
When preparing for the pre-position state, the hand-held part 12 is pushed by hand to rotate around the rotating shaft 13, the connecting rod 10 and the deflector rod 7 are driven to rotate synchronously, so that the shifting lever 7 forces the moving block 402 to drive the rod body 401 and the connecting rod 4 to move downwards synchronously, so that the connecting rod 4 is inserted into a clamping space formed by the opposite arrangement of the V-shaped groove II and the V-shaped groove I, and in the process of moving the connecting rod 4 downwards, the outer contour of the connecting rod 4 presses the limiting block 15 to move outwards, the downward moving space of the connecting rod 4 is opened, when the groove 404 on the connecting rod 4 moves down to the position corresponding to the limit block 15, the limit block 15 is clamped in the groove 404 to form the limit to the position of the connecting rod 4, at this time, the control switch at the end part of the handheld part 12 is pressed, make magnetic base 3 go up magnetism, adsorb connecting rod 4, magnetic base 3 and stopper 15 synchronization for connecting rod 4 and floor clamping 2's connection is more reliable.
In relieving the pre-position state, the trigger connection between slide pole and the floor is relieved to the slide can not open along with the hatch door and expand, when relieving the pre-position, gives magnetic force seat 3 outage demagnetization earlier, then stimulates haulage rope 14, pulls out recess 404 with stopper 15, and reverse rotation handheld portion 12 again makes connecting rod 4 rise, and the release is kept away from the clamping space and can be accomplished and relieve the pre-position, loosens haulage rope 14, and stopper 15 resets under the restoring force effect of elastic component 5.
According to the cabin door emergency slide bar mechanism applied to the civil aircraft, multiple acting forces are matched together to lock the position of the connecting bar 4, so that the cabin door emergency slide bar mechanism can still normally transmit power on the premise that one acting force fails, and the whole device is simple in structure, high in reliability, strong in practicability and worthy of popularization.
The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (8)
1. The utility model provides an emergent slide bar mechanism of hatch door for civil aviation aircraft, is connected with floor clamping (2) of hatch door department, its characterized in that includes:
the connecting rod (4) is vertically arranged and is positioned right above the floor clamp (2), and the position of the connecting rod (4) is converted between a first position and a second position;
embrace subassembly tightly, set up in connecting rod (4) below, when connecting rod (4) are located the primary importance, be used for realizing with holding tightly of connecting rod (4) fixed, when connecting rod (4) are located the second place, be used for realizing with breaking away from of connecting rod (4), include:
the magnetic base (3) is fixed on the floor clamp (2), the adsorption surface of the magnetic base (3) is vertical to the upper surface of the floor clamp (2), and a first V-shaped groove is formed in the adsorption surface of the magnetic base (3);
the block body (1) is fixed on the floor clamp (2) and located on the side edge of the magnetic base (3), a V-shaped groove II with the same structure as the V-shaped groove is formed in the block body (1), and the V-shaped groove II and the V-shaped groove I are oppositely arranged to form a clamp space for accommodating the connecting rod (4);
the limiting block (15) is arranged in a sliding groove horizontally formed in the block body (1) in a penetrating mode, and the end portion of the limiting block (15) is matched with a positioning structure formed in the connecting rod (4);
the traction assembly is arranged on the limiting block (15) and is used for drawing the limiting block (15) to move;
the resetting component is arranged on the limiting block (15) and is used for resetting the limiting block (15).
2. A hatch emergency slide bar mechanism for civil aircraft according to claim 1, characterised in that said traction assembly comprises:
the bracket (17) is arranged on the upper side of the floor clamp (2) and is positioned on one side of the limiting block (15) far away from the magnetic base (3);
the roller (16) is arranged at the top end of the bracket (17);
one end of the traction rope (14) is connected with the handheld part (12), and the other end of the traction rope bypasses the roller (16) and then is connected with the end part of the limiting block (15).
3. A hatch emergency slide bar mechanism for civil aircraft according to claim 2, characterised in that said reset assembly comprises:
the flange plate is sleeved and fixed on the limiting block (15), and is positioned on one side, close to the support (17), of the limiting block (15);
and the elastic pieces (5) are arranged between the flange plate and the block body (1), one ends of the elastic pieces (5) are connected with the flange plate, and the other ends of the elastic pieces are connected with the block body (1).
4. The hatch emergency slide bar mechanism for civil aircraft according to claim 1, further comprising:
the output part of the motion conversion structure is connected with the connecting rod (4) and is used for driving the connecting rod (4) to convert between a first position and a second position;
and the handheld part (12) is connected with the input piece of the motion conversion structure and is used for inputting power to drive the motion conversion structure to realize preset action, a control switch is arranged on the handheld part (12), and the control switch is electrically connected with the magnetic base (3).
5. A hatch emergency slide bar mechanism for civil aircraft according to claim 4, characterized in that said motion transformation structure comprises:
the first fixed bracket (11) is fixed with the cabin door;
the rotating shaft (13) horizontally penetrates through the first fixing support (11), and the handheld part (12) is fixedly sleeved with one end of the rotating shaft (13);
the connecting rod (10) is arranged in parallel with the handheld part (12), and one end of the connecting rod is sleeved and fixed with the rotating shaft (13);
the deflector rod (7) is fixedly connected with one end of the connecting rod (10) departing from the rotating shaft (13);
the shifting block (402) is provided with a chute (403) which is obliquely arranged, the shifting rod (7) is inserted into the chute (403), and the middle of the shifting block (402) is fixed with the connecting rod (4) which is vertically arranged.
6. A hatch emergency slide bar mechanism for civil aircraft according to claim 1, characterised in that said positioning structure comprises:
the lower end of the connecting rod (4) is provided with a groove (404), and the groove (404) is matched with the end part of the limiting block (15).
7. The emergency slide bar mechanism for doors of civil aircraft according to claim 6, characterized in that the lower end of the groove (404) is provided with a sharp pointed end (405) for guiding the sliding down, the sharp pointed end (405) is matched with a limit groove arranged on the upper surface of the floor clamp (2).
8. The cabin door emergency slide bar mechanism applied to civil aircraft as claimed in claim 5, wherein the upper side of the moving block (402) is further fixedly connected with a bar body (401) for guiding, the bar body (401) and the connecting bar (4) are coaxially arranged, the bar body (401) is sleeved in a first sleeve (9) and can slide in the first sleeve (9), the connecting bar (4) is sleeved in a second sleeve (6) and can slide in the second sleeve (6), and the second sleeve (6) and the first sleeve (9) are respectively fixed with a second fixed support (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240857.2A CN112278292B (en) | 2020-11-09 | 2020-11-09 | Cabin door emergency slide bar mechanism applied to civil aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011240857.2A CN112278292B (en) | 2020-11-09 | 2020-11-09 | Cabin door emergency slide bar mechanism applied to civil aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112278292A true CN112278292A (en) | 2021-01-29 |
| CN112278292B CN112278292B (en) | 2022-03-01 |
Family
ID=74350805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011240857.2A Active CN112278292B (en) | 2020-11-09 | 2020-11-09 | Cabin door emergency slide bar mechanism applied to civil aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112278292B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294539A (en) * | 2021-12-01 | 2022-04-08 | 中国民用航空飞行学院 | Monitoring support structure in cabin of general aviation aircraft |
| CN115367121A (en) * | 2022-10-25 | 2022-11-22 | 中国民航管理干部学院 | Emergency evacuation slide for training airplane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258677A1 (en) * | 2009-04-08 | 2010-10-14 | O'donnell John | Evacuation slide systems |
| CN105383680A (en) * | 2015-11-24 | 2016-03-09 | 中国商用飞机有限责任公司 | Engagement triggering mechanism for emergency slides of cabin doors of aircraft |
| CN106907075A (en) * | 2017-04-18 | 2017-06-30 | 江苏美龙振华科技有限公司 | A kind of hatch door lifts servomechanism |
| CN111204443A (en) * | 2020-02-03 | 2020-05-29 | 中国商用飞机有限责任公司 | Emergency slide bar mechanism for cabin door of airplane |
-
2020
- 2020-11-09 CN CN202011240857.2A patent/CN112278292B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100258677A1 (en) * | 2009-04-08 | 2010-10-14 | O'donnell John | Evacuation slide systems |
| CN105383680A (en) * | 2015-11-24 | 2016-03-09 | 中国商用飞机有限责任公司 | Engagement triggering mechanism for emergency slides of cabin doors of aircraft |
| CN106907075A (en) * | 2017-04-18 | 2017-06-30 | 江苏美龙振华科技有限公司 | A kind of hatch door lifts servomechanism |
| CN111204443A (en) * | 2020-02-03 | 2020-05-29 | 中国商用飞机有限责任公司 | Emergency slide bar mechanism for cabin door of airplane |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294539A (en) * | 2021-12-01 | 2022-04-08 | 中国民用航空飞行学院 | Monitoring support structure in cabin of general aviation aircraft |
| CN114294539B (en) * | 2021-12-01 | 2023-04-14 | 中国民用航空飞行学院 | Monitoring support structure in cabin of general aviation aircraft |
| CN115367121A (en) * | 2022-10-25 | 2022-11-22 | 中国民航管理干部学院 | Emergency evacuation slide for training airplane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112278292B (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112278292B (en) | Cabin door emergency slide bar mechanism applied to civil aircraft | |
| CN107697321B (en) | A kind of open locking separation device of skin satellite | |
| US4471511A (en) | Releasable connector | |
| US3666216A (en) | Theft-proof self-connecting lock coupling device for helicopters and tow submarines | |
| CN103723021A (en) | Locking mechanism for electric car chassis battery replacing | |
| US8100363B2 (en) | Hatch equipped with at least one locking socket capable of being actuated on each side of the hatch | |
| US3801051A (en) | Tow plate | |
| EP0062673B1 (en) | Locking device for a central strap, in particular for a parachute harness | |
| CN108657356A (en) | A kind of folded bicycle | |
| CN210391568U (en) | Automatic separation device of unmanned aerial vehicle parachute | |
| CN109659768B (en) | Electromagnetic separation mechanism with automatically closed and locked cover plate | |
| CN208561537U (en) | A kind of disconnected rope catching device of high reliability | |
| CN112660192B (en) | Full-automatic pin-chain-safety rope picking and hanging system and method for rail transportation | |
| CN112678191B (en) | Edge connection type water inlet inertia umbrella removing device | |
| US3378892A (en) | Quick-attach mechanism | |
| CN203570009U (en) | Sliding door hand-operated unlocking device and sliding door with same | |
| US2615659A (en) | Aircraft enclosure jettison system | |
| CN208248179U (en) | A kind of automatic parking device | |
| CN110185340B (en) | Door lock device of handcart | |
| US1597918A (en) | Aeroplane parachute | |
| CN114044173B (en) | Satellite locking device | |
| CN201211929Y (en) | Vacuum ejection aerial lifesaving device | |
| CN210961173U (en) | Novel control of bed guardrail device | |
| CN205222313U (en) | Fast lock braking type cable dish | |
| CN216332808U (en) | Unmanned aerial vehicle flight buffer stop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |