An emergency airbag device for avalanche blasting

Abstract

The utility model discloses an emergency air bag device for avalanche blasting belongs to engineering blasting technical field, the present application sets up gas source mechanism, gas delivery mechanism and annular air bag, when the emergency air bag device for blasting falls to predetermined height, the trigger line will be forced to straight, and then triggers gas source mechanism to release gas, simultaneously, gas delivery mechanism will send the gas to every annular air bag, and annular air bag inflation expands, reduces the falling speed and increases the contact area with snowfield simultaneously, makes the present application can stop in the snow surface, and the subsequent realization detonator line's ignition through wireless signal input to sensor, and then explodes the explosive package and realizes the fixed point blasting, the gas source mechanism, gas delivery mechanism and annular air bag that the present application sets up can avoid the blasting device to fall and bury in the snow body, causes the situation to happen to have the security hidden danger.

Description

Technical Field

[0001] This utility model belongs to the field of engineering blasting technology, specifically relating to an emergency airbag device for avalanche blasting. Background Technology

[0002] In avalanche blasting operations, existing technologies often use drones or cableways to transport explosive charges and drop them at designated points. For example, a rope-wrapped protective device is used to lower the explosive charge to a predetermined height before detonation. Currently, avalanche blasting protective shells provide excellent protection for the stable operation of blasting devices in harsh natural environments such as extreme cold, high altitude, and heavy rain and snow.

[0003] However, in air blasting operations, the blasting device may fall due to unexpected collisions, rigging breakage, or other emergencies. After falling, the blasting device is often buried in the snow. Once buried in the snow, the wireless transmission signal may be interrupted, causing remote control failure and creating a serious safety hazard.

[0004] Meanwhile, when conducting snow-based blasting, the blasting device buried in the snow will have its stress state at the blast point altered due to the snow cover during the explosion, affecting the precise control of the detonation timing and thus posing a serious threat to the safety and effectiveness of the blasting operation. Utility Model Content

[0005] To address the problems mentioned in the background art, this utility model provides an emergency airbag device for avalanche blasting, which solves the problem that the blasting device will be buried in the snow when it falls, causing safety hazards.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An emergency airbag device for avalanche blasting includes: Left and right shells; both the left and right shells are equipped with partitions, and both the left and right shells have airbag storage grooves on their outer side walls, with the same number of airbag storage grooves in both shells; At least two sets of connectors; the two connecting ends of each set of connectors are respectively fixedly installed on the left shell and the right shell. When the left shell and the right shell are fixedly connected by the connectors, they form a receiving chamber. The airbag storage grooves on the left shell and the right shell are connected end to end and communicate with each other to form an installation ring groove. Each installation ring groove is fitted with an annular airbag, and the annular airbag is fixedly connected to the bottom of the installation ring groove. Locking structure; the two ends of the locking structure are respectively set on two partitions. The locking structure is used to fix the two partitions to form a bearing platform. The bearing platform divides the receiving chamber into a first chamber and a second chamber. The first chamber contains an explosive charge, and the second chamber contains a sensor. Detonator wire perforation; Detonator wire perforation is set on the support platform, and the detonator wire connects the explosive charge and the sensor through the detonator wire perforation; Gas source mechanism; The gas source mechanism is located in the second chamber. The gas source mechanism is equipped with a trigger line, which passes through the left or right shell and is fixedly connected to the UAV. When the trigger line is stretched taut, the gas source mechanism triggers the gas release action. Gas delivery mechanism; the gas delivery mechanism is used to connect the second chamber and each annular airbag.

[0007] Compared with the prior art, the beneficial effects of this utility model are: This application incorporates a gas source mechanism, a gas delivery mechanism, and an annular airbag. When the emergency airbag device for blasting falls to a predetermined height, the trigger wire is stretched, triggering the gas source mechanism to release gas. Simultaneously, the gas delivery mechanism delivers gas to each annular airbag, which inflates, reducing the falling speed while increasing the contact area with the snow, allowing the device to stop on the snow surface. Subsequently, wireless signal input to sensors ignites the detonator, thereby detonating the explosive charge for targeted blasting. The gas source mechanism, gas delivery mechanism, and annular airbags in this application prevent the blasting device from falling and being buried in the snow, thus avoiding safety hazards. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the specific structure of the left shell; Figure 2 This is a schematic diagram of the specific structure of the right shell; Figure 3 A schematic diagram showing the specific structure of the airbag protective cover and the annular airbag; Figure 4 This is a schematic diagram of the specific structure of the gas source mechanism; The diagram is marked as follows: 1-Left shell; 2-Airbag storage groove; 3-Observation hole; 4-Baffle; 5-External fixing groove; 6-Lock groove; 7-Right shell; 8-Sliding lock; 9-Connecting tube fixing slot; 10-Connecting tube; 11-Gas cylinder fixing slot; 12-Airbag protective cover; 13-Easily broken connection part; 14-Inflation port; 15-Annular airbag; 16-High-pressure gas cylinder; 17-Pin; 18-Reset spring; 19-Gas release pull ring; 20-Trigger wire. Detailed Implementation

[0009] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0010] Example 1 An emergency airbag device for avalanche blasting, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, it includes: Left shell 1 and right shell 7; both left shell 1 and right shell 7 are provided with partitions 4, and both left shell 1 and right shell 7 are provided with airbag storage grooves 2 on their outer side walls. There are two airbag storage grooves 2 in both left shell 1 and right shell 7. The airbag storage grooves 2 are slotted 8cm away from both ends on the outer side of left shell 1 and right shell 7. The wall thickness of left shell 1 and right shell 7 is 10mm, the groove depth is 6mm, and the groove width is 10mm. Six sets of connectors; the two connecting ends of each set of connectors are respectively fixedly installed on the left shell 1 and the right shell 7. When the left shell 1 and the right shell 7 are fixedly connected by the connectors, they form a receiving chamber. The airbag storage grooves 2 on the left shell 1 and the right shell 7 are connected end to end and interconnected to form an installation ring groove. Each installation ring groove is fitted with an annular airbag 15. The annular airbag 15 is fixedly connected to the bottom of the installation ring groove. The annular airbag 15 is a TPU buffer airbag. It is placed in the installation ring groove by Z-fold and rolled edge. The maximum expansion volume of the annular airbag 15 reaches 1.8L. After expansion, it can increase the volume of the entire device and avoid being buried in the snow. Locking structure; the two ends of the locking structure are respectively set on two partitions 4. The locking structure is used to fix the two partitions 4 to form a bearing platform. The bearing platform divides the receiving chamber into a first chamber and a second chamber. The first chamber contains an explosive charge, and the second chamber contains a sensor. Detonator wire perforation; the detonator wire perforation is set on the support platform. The detonator wire connects the explosive charge and the sensor through the detonator wire perforation. The detonator wire is pressed against the inner wall of the detonator wire perforation to reduce or prevent gas from passing through the second chamber. Gas source mechanism; The gas source mechanism is located in the second chamber. The gas source mechanism is equipped with a trigger line 20. The trigger line 20 passes through the left shell 1 and is fixedly connected to the UAV. When the trigger line 20 is stretched taut, the gas source mechanism triggers the gas release action. Gas delivery mechanism; the gas delivery mechanism is used to connect the second chamber and each annular airbag 15.

[0011] In this embodiment, the present application is provided with a gas source mechanism, a gas delivery mechanism, and an annular airbag 15. When the emergency airbag device for blasting falls to a predetermined height, the trigger line 20 will be stretched taut, thereby triggering the gas source mechanism to release gas. At the same time, the gas delivery mechanism will deliver gas to each annular airbag 15. The annular airbag 15 inflates, reducing the falling speed while increasing the contact area with the snow, allowing the present application to stop on the snow surface. Subsequently, by wirelessly inputting a sensor, the sensor ignites the detonator wire, thereby detonating the explosive charge to achieve a targeted blast. The gas source mechanism, gas delivery mechanism, and annular airbag 15 provided in this application can prevent the blasting device from falling and being buried in the snow, causing safety hazards.

[0012] Example 2 The difference between this embodiment and Embodiment 1 is that, as Figure 1 , Figure 2 As shown, a set of connectors includes: A latch; the latch is located on the left housing 1 or the right housing 7; A snap-fit ​​groove; the snap-fit ​​groove is provided on the right housing 7 or the left housing 1, and after the snap is inserted into the snap-fit ​​groove, the left housing 1 and the right housing 7 are fixedly connected.

[0013] Example 3 The difference between this embodiment and Embodiment 1 is that, as Figure 1 , Figure 2 As shown, the locking structure includes a sliding latch 8 and a latch slot 6. The sliding latch 8 and the latch slot 6 are each set on a partition 4. When the sliding latch 8 is inserted into the latch slot 6, the two partitions 4 are fixedly connected to form a bearing platform.

[0014] Example 4 The difference between this embodiment and Embodiment 1 is that, as Figure 2 , Figure 4 As shown, the gas source mechanism includes: Gas cylinder fixing slot 11; Gas cylinder fixing slot 11 is located in the second chamber; High-pressure gas cylinder 16; High-pressure gas cylinder 16 is fixedly connected in the gas cylinder fixing slot 11; Trigger sleeve; the trigger sleeve is fixedly fitted onto the cylinder neck of high-pressure gas cylinder 16; A ejector pin 17 and a top plate; the ejector pin 17 and the top plate are disposed inside the trigger sleeve, the first end of the ejector pin 17 is fixedly installed on the first surface of the top plate, and the second end of the ejector pin 17 is inserted into the gas cylinder port and disposed inside the high-pressure gas cylinder 16. Reset spring 18; The reset spring 18 is disposed in the trigger sleeve and is fitted on the ejector pin 17. The two ends of the reset spring 18 are in pressure contact with the gas cylinder mouth of the high-pressure gas cylinder 16 and the first surface of the top plate, respectively. Gas release pull ring 19; Gas release pull ring 19 includes a ring portion and a rod portion. The rod portion of the gas release pull ring 19 is disposed through the trigger sleeve in a vertical direction along the side wall of the trigger sleeve, and the side of the rod portion of the gas release pull ring 19 is pressed into contact with the second surface of the top plate. The trigger line 20 is fixedly connected to the ring portion of the gas release pull ring 19.

[0015] In this embodiment, when the trigger line 20 is stretched taut, it pulls the gas release ring 19 away from the trigger sleeve. At this time, without the resistance of the rod of the gas release ring 19, the return spring 18 will release its elastic force and extend, thereby pushing the top plate and the ejector pin 17 out of the trigger sleeve. When the ejector pin 17 is ejected, the compressed gas in the high-pressure gas cylinder 16 will be released from the bottle mouth of the high-pressure gas cylinder 16. At this time, the air pressure in the second chamber begins to increase, thereby inflating the annular airbag 15 through the gas source mechanism.

[0016] Example 5 The difference between this embodiment and Embodiment 1 is that, as Figure 2 As shown, the gas delivery mechanism includes: Connecting pipe fixing slot 9; Connecting pipe fixing slot 9 is set on the inner side wall of the right housing 7; Connecting pipe 10; the bottom end of connecting pipe 10 passes through a mounting through hole and communicates with the second chamber through the support platform. The outer wall of connecting pipe 10 is fitted with the inner wall of the mounting through hole to reduce or prevent gas from passing through the second chamber. The side wall of connecting pipe 10 is provided with air supply through holes corresponding to the number of annular airbags 15. Each annular airbag 15 and the bottom of the mounting ring groove are respectively provided with an inflation port 14 and an air inlet through hole. Connecting pipe 10 is connected to one annular airbag 15 through one air supply through hole, one air inlet through hole and one inflation port 14. In order to avoid air leakage, an air supply pipe can be used to connect the air supply through hole and the inflation port 14.

[0017] Example 6 The difference between this embodiment and Embodiment 1 is that, as Figure 3 As shown, the emergency airbag device also includes two airbag protective covers 12. The airbag protective cover 12 has a ring structure and is provided with a breakable connection part 13. The airbag protective cover 12 is fitted onto the connected left shell 1 and right shell 7. One airbag protective cover 12 covers a mounting ring groove.

[0018] In this embodiment, the airbag protective cover 12 is made of a brittle plastic film material. When the airbag volume increases to a certain threshold, the easily broken connection part 13 is broken by a force exceeding the upper limit, thus automatically popping open and releasing the airbag.

[0019] Example 7 The difference between this embodiment and Embodiment 1 is that, as Figure 1 , Figure 2As shown, the emergency airbag device also includes an antenna aperture, which is located on the side wall of the second chamber. The communication antenna of the sensor passes through the antenna aperture and is located on the outside. The communication antenna of the sensor is fitted to the inner wall of the antenna aperture to reduce or prevent gas from passing through the second chamber.

[0020] In this embodiment, the communication antenna is placed externally to better receive the detonation signal, avoiding interference with the signal due to the material and thickness of the casing.

[0021] Example 8 The difference between this embodiment and Embodiment 1 is that, as Figure 1 As shown, the left housing 1 is also provided with an observation hole 3, which is used by the operator to observe the interior of the first chamber.

[0022] Example 9 The difference between this embodiment and Embodiment 1 is that, as Figure 1 , Figure 2 As shown, both the left shell 1 and the right shell 7 are provided with external fixing grooves 5. The external fixing grooves 5 on the left shell 1 and the right shell 7 are connected end to end and interconnected. The external fixing grooves 5 are used to increase the contact area between the winding rope and the left shell 1 and the right shell 7.

[0023] In this embodiment, the application can be carried by a drone or cableway, and then moved by the rope wrapped around the external fixing groove 5. After being placed at a preset height, it can be detonated. The outer shell of the application can be made of easily degradable and environmentally friendly materials to reduce or eliminate the impact on the environment.

[0024] Those skilled in the art will recognize that the embodiments described herein are intended to help the reader understand the principles of this application, and should be understood as not limiting the scope of protection of this application to such specific statements and embodiments. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. An emergency airbag device for avalanche blasting, characterized in that, include: Left shell (1) and right shell (7); both the left shell (1) and the right shell (7) are provided with partitions (4), and both the left shell (1) and the right shell (7) are provided with airbag storage grooves (2) on their outer side walls. The number of airbag storage grooves (2) in the left shell (1) and the right shell (7) is the same. At least two sets of connectors; the two connecting ends of each set of connectors are respectively fixedly installed on the left shell (1) and the right shell (7). When the left shell (1) and the right shell (7) are fixedly connected by the connectors, they form a receiving chamber. The airbag storage grooves (2) on the left shell (1) and the right shell (7) are connected end to end and communicate with each other to form an installation ring groove. Each installation ring groove is fitted with an annular airbag (15). The annular airbag (15) is fixedly connected to the bottom of the installation ring groove. Locking structure; the two ends of the locking structure are respectively set on two partitions (4). The locking structure is used to fix the two partitions (4) to form a bearing platform. The bearing platform divides the accommodating chamber into a first chamber and a second chamber. The first chamber is equipped with an explosive charge, and the second chamber is equipped with a sensor. Detonator wire perforation; Detonator wire perforation is set on the support platform, and the detonator wire connects the explosive charge and the sensor through the detonator wire perforation; Gas source mechanism; The gas source mechanism is set in the second chamber. The gas source mechanism is equipped with a trigger line (20). The trigger line (20) passes through the left shell (1) or the right shell (7) and is fixedly connected to the UAV or cableway. When the trigger line (20) is stretched, the gas source mechanism triggers the gas release action. Gas delivery mechanism; the gas delivery mechanism is used to connect the second chamber and each annular airbag (15).

2. The emergency airbag device according to claim 1, characterized in that, A set of connectors includes: A snap fastener; the snap fastener is located on the left housing (1) or the right housing (7); A snap-fit ​​groove; the snap-fit ​​groove is set on the right housing (7) or the left housing (1), and after the snap is inserted into the snap-fit ​​groove, the left housing (1) and the right housing (7) are fixedly connected.

3. The emergency airbag device according to claim 1, characterized in that, The locking structure includes a sliding latch (8) and a latch slot (6). The sliding latch (8) and the latch slot (6) are each set on a partition (4). When the sliding latch (8) is inserted into the latch slot (6), the two partitions (4) are fixedly connected to form a bearing platform.

4. The emergency airbag device according to claim 1, characterized in that, Gas supply facilities include: Cylinder fixing slot (11); The cylinder fixing slot (11) is located in the second chamber; High-pressure gas cylinder (16); The high-pressure gas cylinder (16) is fixedly connected in the gas cylinder fixing slot (11); Trigger sleeve; The trigger sleeve is fixedly fitted onto the gas cylinder opening of the high-pressure gas cylinder (16); A pin (17) and a top plate; the pin (17) and the top plate are set inside the trigger sleeve, the first end of the pin (17) is fixedly installed on the first surface of the top plate, and the second end of the pin (17) is inserted into the gas cylinder port and set inside the high-pressure gas cylinder (16); Reset spring (18); The reset spring (18) is set in the trigger sleeve and is fitted on the ejector pin (17). The two ends of the reset spring (18) are pressed into contact with the gas cylinder mouth of the high-pressure gas cylinder (16) and the first surface of the top plate, respectively. Gas release pull ring (19); The gas release pull ring (19) includes a ring part and a rod part. The rod part of the gas release pull ring (19) is arranged to penetrate the trigger sleeve along the vertical direction of the side wall of the trigger sleeve, and the side of the rod part of the gas release pull ring (19) is pressed and contacted with the second surface of the top plate. The trigger line (20) is fixedly connected to the ring part of the gas release pull ring (19).

5. The emergency airbag device according to claim 1, characterized in that, The gas delivery mechanism includes: Connecting pipe fixing slot (9); The connecting pipe fixing slot (9) is set on the inner side wall of the left shell (1) or the right shell (7); Connecting pipe (10); The bottom end of the connecting pipe (10) passes through the bearing platform and communicates with the second chamber. The side wall of the connecting pipe (10) is provided with air supply holes corresponding to the number of annular airbags (15). Each annular airbag (15) and the bottom of the mounting ring groove are respectively provided with an inflation port (14) and an air inlet hole. The connecting pipe (10) is connected to an annular airbag (15) through an air supply hole, an air inlet hole and an inflation port (14).

6. The emergency airbag device according to claim 1, characterized in that, The emergency airbag device also includes at least one airbag protective cover (12), which is a ring structure. The airbag protective cover (12) is provided with a breakable connection part (13). The airbag protective cover (12) is fitted onto the connected left shell (1) and right shell (7). One airbag protective cover (12) covers a mounting ring groove.

7. The emergency airbag device according to claim 1, characterized in that, The emergency airbag device also includes an antenna aperture, which is located on the side wall of the second chamber, and the communication antenna of the sensor is located on the outside through the antenna aperture.

8. The emergency airbag device according to claim 1, characterized in that, An observation hole (3) is also provided on the left shell (1) or the right shell (7), which is used by the operator to observe the interior of the first chamber.

9. The emergency airbag device according to claim 1, characterized in that, Both the left shell (1) and the right shell (7) are provided with external fixing grooves (5). The external fixing grooves (5) on the left shell (1) and the right shell (7) are connected end to end and interconnected. The external fixing grooves (5) are used to increase the contact area between the winding rope and the left shell (1) and the right shell (7).

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