Automatic separation device
By designing an automatic separation device, which utilizes push-pull electromagnets and torsion bar mechanisms to achieve automatic and manual unlocking of the parachute pack, the problems of low safety and usage limitations in existing technologies have been solved, enabling rapid separation and efficient rescue.
Patent Information
- Application Number
- CN202511818577.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-04
- Publication Date
- 2026-02-27
AI Technical Summary
In existing maritime airdrop rescue operations, the separation devices for the deceleration parachute and the life pack pose safety risks, have many usage restrictions, and are inconvenient to manually separate, leading to difficulties in rescue operations.
An automatic separation device was designed, comprising an unlocking mechanism and a separation mechanism. It adopts a push-pull electromagnet and torsion bar mechanism to realize the automatic separation of the parachute after it comes into contact with water, and provides a manual unlocking mode to ensure safety, reliability and ease of operation.
It achieves rapid and automatic separation of the parachute, improving the success rate of rescue. It is highly applicable, with a simple structure and convenient maintenance, and is suitable for multiple fields.
Smart Images

Figure CN121573174A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of maritime aviation rescue, and particularly relates to an automatic separation device. BACKGROUND
[0002] In conventional maritime air-drop rescue, the deceleration parachute drags the life-saving bag and moves under the action of wind after the life-saving bag enters water, and the deceleration parachute collapses and is entangled with the person in distress. To solve this problem, a separation device is arranged between the deceleration parachute and the life-saving bag, such as the current pyrotechnic separation and mechanical separation. The pyrotechnic separation has safety risks, high environmental use requirements, and inconvenient maintenance and transportation. The mechanical separation needs to preset relevant separation parameters before use, and has limited use conditions. In addition, the above two methods cannot be manually separated or are inconvenient to separate when a fault occurs, which brings difficulties to actual rescue. SUMMARY
[0003] In view of the low safety, many use limitations and inconvenient manual separation of the existing parachute bag separation device, the present application provides an automatic separation device, which is a seawater-triggered parachute bag automatic separation device, safe and reliable, convenient to use and maintain, and can be manually and quickly separated. The technical solution is as follows: An automatic separation device, comprising: an unlocking mechanism and a separation mechanism, The unlocking mechanism comprises: a lock hook 1, a pressing rod 2, a connecting shaft 3, a torsion rod 10 and a push-pull electromagnet 12, The separation mechanism comprises: a first mounting cover 5, a second mounting cover 8, a top rod 6, a blocking hook 7, a rotating shaft 13, a linear spring 14 and a connecting pull ring 15, The push-pull rod of the push-pull electromagnet 12 is connected with the torsion rod 10, the connecting shaft 3 is connected with the lock hook 1 and the torsion rod 10 at both ends, the pressing rod 2 is hooked by the lock hook 1 at one end, and the middle sliding groove presses the top rod 6; the top rod 6 is connected with the middle sliding groove of the pressing rod 2 at one end, and connected with the elastic component 14 at the other end; the middle boss is connected with the sliding groove of the blocking hook 7, the blocking hook 7 can rotate around the rotating shaft 13, the whole separation mechanism is closed and fixed through the first mounting cover 5 and the second mounting cover 8, and the connecting pull ring 15 is blocked by the blocking hook 7 to achieve the locking state.
[0004] Further, the unlocking mechanism further comprises: a bushing 4, and the other end of the pressing rod 2 is connected with the bushing 4.
[0005] Further, the unlocking mechanism further comprises: a base 9, and the base 9 is arranged on the side of the second mounting cover 8 away from the first mounting cover 5, and the torsion rod 10 passes through the base 9 and is connected with the second mounting cover 8.
[0006] Optionally, the push-pull rod of the push-pull electromagnet 12 is connected with the torsion rod 10 through a guide pin 11.
[0007] The connecting pull ring 15 is connected with the parachute and the life-saving bag.
[0008] The separation device is provided with automatic unlocking and manual unlocking modes.
[0009] In the automatic unlocking mode, the connecting pull ring 15 of the parachute bag automatic separation device is connected with the parachute and the life-saving bag, after the parachute bag enters the water, the water-conducting switch is triggered to conduct electricity, the push-pull electromagnet 12 is electrified, the push-pull rod pulls the torsion rod 10 to rotate around the connecting shaft 3, the locking hook 1 is rotated to be disengaged under the driving of the connecting shaft 3, the pressure rod 2 loses the block, the pressure of the pressure rod 2 on the jacking rod 6 disappears, the jacking rod 6 moves upward under the action of the linear spring 14, the blocking hook 7 rotates around the rotating shaft 13 under the driving of the jacking rod 6, rotates by a certain angle, the connecting pull ring 15 loses the block, and the connecting pull ring 15 is disengaged, so that the parachute bag is quickly separated.
[0010] In the manual unlocking mode, the locking hook 1 is manually twisted to rotate around the connecting shaft 3, so that the pressure rod 2 loses the block, and the subsequent unlocking process is consistent with the automatic unlocking.
[0011] The present application has at least the following advantages: 1) The separation device has automatic unlocking and manual unlocking modes, has strong applicability, is convenient to maintain, and is high in safety; 2) The structure principle is simple, the operation is convenient, the structure has large upgrade space, and can be widely applied to multiple fields; 3) The test proves that the separation can be quickly realized under a certain load, and the rescue success rate is high. DETAILED DESCRIPTION
[0012] Figure 1 The present application has at least the following advantages: Figure 2 The present application has at least the following advantages: DETAILED DESCRIPTION
[0013] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0014] The features and illustrative embodiments of various aspects of the present invention will now be described in detail. Numerous specific details are set forth in the following detailed description to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention may be practiced without requiring some of these specific details. The following description of embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. The invention is by no means limited to any specific setups and methods set forth below, but covers any improvements, substitutions, and modifications to structures, methods, and devices without departing from the spirit of the invention. Well-known structures and techniques are not shown in the drawings and the following description to avoid unnecessarily obscuring the invention.
[0015] It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other, and the various embodiments can be referenced and cited from each other.
[0016] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0017] An embodiment of the present invention provides an automatic separation device, comprising: an unlocking mechanism and a separation mechanism. The unlocking mechanism includes: a locking hook, a pressure rod, a connecting shaft, a torsion bar, and a push-pull electromagnet. The separation mechanism includes: a first mounting cover, a second mounting cover, a top rod, a stop hook, a rotating shaft, a linear spring, and a connecting pull ring. The push-pull rod of the push-pull electromagnet is connected to the torsion bar. Both ends of the connecting shaft are connected to the locking hook and the torsion bar, respectively. One end of the pressure rod is hooked by the locking hook, and a middle groove presses down on the top rod. One end of the top rod is connected to the middle groove of the pressure rod, and the other end is connected to an elastic component. A middle boss is connected to the groove of the stop hook. The stop hook can rotate around the rotating shaft. The entire separation mechanism is closed and fixed by the first and second mounting covers. The connecting pull ring is blocked by the stop hook, achieving a locked state. The present invention is safe and reliable, easy to use and maintain, and allows for manual and rapid separation.
[0018] Please see Figure 1 and Figure 2 An embodiment of the present invention provides an automatic separation device, comprising: an unlocking mechanism and a separation mechanism. The unlocking mechanism includes: a locking hook 1, a pressure rod 2, a connecting shaft 3, a torsion bar 10, and a push-pull electromagnet 12. The separation mechanism includes: a first mounting cover 5, a second mounting cover 8, a push rod 6, a stop hook 7, a rotating shaft 13, a linear spring 14, and a connecting pull ring 15. The push-pull rod of the push-pull electromagnet 12 is connected with the torsion rod 10, the two ends of the connecting shaft 3 are respectively connected with the lock hook 1 and the torsion rod 10, one end of the pressing rod 2 is hooked by the lock hook 1, and the middle sliding groove presses the jacking rod 6; one end of the jacking rod 6 is connected with the middle sliding groove of the pressing rod 2, the other end is connected with the elastic component 14, the middle boss is connected with the sliding groove of the stop hook 7, the stop hook 7 can rotate around the rotating shaft 13, the whole separation mechanism is closed and fixed through the first mounting cover 5 and the second mounting cover 8, the connecting pull ring 15 is blocked by the stop hook 7, and the locking state is reached.
[0019] Further, the unlocking mechanism further comprises: a bushing 4, the other end of the pressing rod 2 is connected with the bushing 4. The bushing 4 protects the pressing rod 2.
[0020] Further, the unlocking mechanism further comprises: a base 9, the base 9 is arranged on the side of the second mounting cover 8 away from the first mounting cover 5, and the torsion rod 10 passes through the base 9 and is connected with the second mounting cover 8. The base 9 supports and fixes the torsion rod 10.
[0021] Optionally, the push-pull rod of the push-pull electromagnet 12 is connected with the torsion rod 10 through the guide pin 11.
[0022] Please refer to Figure 1 and Figure 2 , another embodiment of the present application provides an automatic separation device, comprising an unlocking mechanism and a separation mechanism, The unlocking mechanism comprises: a lock hook 1, a pressing rod 2, a connecting shaft 3, a bushing 4, a base 9, a torsion rod 10, a guide pin 11, and a push-pull electromagnet 12. The separation mechanism comprises: a first mounting cover 5, a second mounting cover 8, a jacking rod 6, a stop hook 7, a rotating shaft 13, a linear spring 14, and a connecting pull ring 15.
[0023] The push-pull rod of the push-pull electromagnet 12 is connected with the torsion rod 10 through the guide pin 11, The two ends of the connecting shaft 3 are respectively connected with the lock hook 1 and the torsion rod 10, One end of the pressing rod 2 is connected with the bushing 4, and the other end is hooked by the lock hook 1, and the middle sliding groove presses the jacking rod 6; One end of the jacking rod 6 is connected with the middle sliding groove of the pressing rod 2, the other end is connected with the elastic component 14, the middle boss is connected with the sliding groove of the stop hook 7, the stop hook 7 can rotate around the rotating shaft 13, the whole separation mechanism is closed and fixed through the mounting cover 5 and the mounting cover 8, the connecting pull ring 15 is blocked by the stop hook 7, and the locking state is reached.
[0024] The separation device has two modes of automatic unlocking and manual unlocking, which are as follows: Automatic unlocking: the connecting pull ring 15 of the automatic separation device of the umbrella bag is connected with the deceleration umbrella, and the other end is connected with the life-saving bag. After the umbrella bag enters the water, the water-conducting trigger switch is electrified, the push-pull electromagnet 12 is electrified, the push-pull rod pulls the torsion rod 10 to rotate around the connecting shaft 3, the lock hook 1 is driven by the connecting shaft 3 to rotate and unhook, the pressure rod 2 loses the block, the pressure of the pressure rod 2 on the jacking rod 6 disappears, the jacking rod 6 moves upward under the action of the linear spring 14, the blocking hook 7 is driven by the jacking rod 6 to rotate around the rotating shaft 13, rotates by a certain angle, the connecting pull ring 15 loses the block, and the connecting pull ring 15 is separated, so that the umbrella bag is quickly separated.
[0025] Manual unlocking: manually rotating the lock hook 1 around the connecting shaft 3 to make the pressure rod 2 lose the block, and the subsequent unlocking process is consistent with the automatic unlocking.
[0026] The present application has the following advantages: 1) The separation device has two modes of automatic unlocking and manual unlocking, has strong applicability, is convenient to maintain, and is high in safety; 2) The structure principle is simple, the operation is convenient, the structure has large upgrade space, and the separation device can be widely applied to multiple fields; 3) The test proves that the separation device can be quickly separated under a certain load, and the success rate of rescue is high.
[0027] The present application provides an automatic separation device which can be used for maritime aviation rescue. The separation device is triggered by a conductive medium such as seawater to realize automatic separation of the umbrella bag.
[0028] The above only expresses the embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. In addition, the parts not described in detail in the present application are all conventional technologies.
Claims
1. An automatic separating device, characterized in that, The utility model relates to a kind of parachute and survival kit automatic separation device, including: Unlocking mechanism and separation mechanism, Unlocking mechanism includes: lock hook (1), pressure rod (2), connecting shaft (3), torsion bar (10) and push-pull electromagnet (12), Separation mechanism includes: first installation cover (5), second installation cover (8), top rod (6), stop hook (7), rotating shaft (13), linear spring (14) and connecting pull ring (15), The push-pull rod of push-pull electromagnet (12) is connected with torsion bar (10), the both ends of connecting shaft (3) are connected with lock hook (1) and torsion bar (10) respectively, one end of pressure rod (2) is hooked by lock hook (1), middle sliding groove presses top rod (6);One end of top rod (6) is connected with the middle sliding groove of pressure rod (2), the other end is connected with elastic component (14), middle boss is connected with the sliding groove of stop hook (7), stop hook (7) can rotate around rotating shaft (13), the whole separation mechanism is closed and fixed through first installation cover (5), second installation cover (8), connecting pull ring (15) is blocked by stop hook (7), reaches locking state.
2. The automatic separation device according to claim 1, characterized in that Unlocking mechanism also includes: bushing (4), the other end of pressure rod (2) is connected with bushing (4).
3. The automatic separation device according to claim 1, characterized in that Unlocking mechanism also includes: base (9), base (9) is arranged on the side of second installation cover (8) away from first installation cover (5), torsion bar (10) passes through base (9) and is connected with second installation cover (8).
4. The automatic separation apparatus according to claim 1, characterized by The push-pull rod of push-pull electromagnet (12) is connected with torsion bar (10) through guide pin (11).
5. The automatic separation device according to claim 1, characterized in that, One end of connecting pull ring (15) is connected with deceleration umbrella, the other end is connected with survival kit.
6. The automatic separation apparatus according to claim 1, wherein The separation device is provided with automatic unlocking and manual unlocking two modes.
7. The automatic separation device according to claim 6, characterized in that In automatic unlocking mode: the connecting pull ring (15) of umbrella and survival kit automatic separation device is connected with deceleration umbrella, the other end is connected with survival kit, after umbrella and survival kit enter water, trigger switch meets water conduction, push-pull electromagnet (12) is electrified, its push-pull rod pulls torsion bar (10) around connecting shaft (3) through guide pin (11), lock hook (1) rotates and unhook under the drive of connecting shaft (3), pressure rod (2) loses obstruction, the pressure of pressure rod (2) to top rod (6) disappears, top rod (6) moves upward under the action of linear spring (14), stop hook (7) rotates around rotating shaft (13) under the drive of top rod (6), rotates a certain angle, connecting pull ring (15) loses obstruction, connecting pull ring (15) is separated, so as to realize the quick separation of umbrella and survival kit.
8. The automatic separation apparatus according to claim 6, characterized by In manual unlocking mode: manually twist lock hook (1) rotates around connecting shaft (3), so that pressure rod (2) loses obstruction, subsequent unlocking process is consistent with automatic unlocking.