CN112429178B

CN112429178B - Life-saving air bag delivery device and method thereof

Info

Publication number: CN112429178B
Application number: CN202011368264.4A
Authority: CN
Inventors: 李仲兴; 李忠远; 张航; 蒋潇杰; 江洪
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-12
Anticipated expiration: 2040-11-30
Also published as: CN112429178A

Abstract

The invention discloses a life-saving air bag delivery device and a method thereof in the field of emergency rescue equipment, wherein a steering mechanism and a pull-back mechanism are connected above a base, a transmitting mechanism and an air compression mechanism are connected above the steering mechanism, the air compression mechanism inflates an air storage cavity, the steering mechanism adjusts the left and right angles and the up and down heights of the transmitting mechanism, a handle is held to press a spring transmitting trigger, a vent hole is aligned with a through hole, compressed air enters a front air cavity from a rear air cavity, a rescue rod is ejected towards the front upper side, a rope drives a winding post to rotate in the opposite direction, the winding post drives a pinion to idle through a large gear, and a pawl does not rotate; the person falling into the water manually unscrews the life jacket accommodating pipe from the rescue rod, takes out the life-saving air bag, surrounds the life-saving air bag and tightly grasps the rescue rod, the second motor drives the pinion to rotate, the winding post retracts the rope, and the person falling into the water is pulled back; the invention can adjust the delivery angle, realize remote fixed-point delivery, automatically recover the life-saving air bag and timely pull back trapped people.

Description

Life-saving air bag delivery device and method thereof

Technical Field

The invention belongs to the technical field of emergency rescue and relief equipment, and particularly relates to a life-saving air bag delivery device for rescuing people falling into water.

Background

Swimming in swimming pools, beaches, and rivers, can inadvertently lead to drowning, sudden illness, stress, and the like. Aiming at the rescue of people falling into water, the conventional life buoy throwing device is a professional rescue device for the people falling into water and the people falling into water on the shore of a ship, and plays an important role in the rescue action in water. However, the life buoy throwing device adopts a manual throwing mode on one hand, so that long-distance rescue cannot be carried out, and accidents are easily caused; on the other hand still needs the human action at the in-process of drawing back drowning personnel, can lead to the emergence of accident to a certain extent because of drawing back untimely, therefore life buoy jettison device has very strong limitation. Sometimes, when facing a poor situation such as a wide lake surface or a turbulent water flow, the action of the rescue personnel is limited, so that the valuable rescue time is likely to be wasted, and the rescue action is likely to fail. Therefore, it is necessary to design the corresponding supporting facilities of the fixed-point life buoy delivery device and perfect the whole life buoy delivery and pull-back working process.

The patent document with the Chinese patent application number of 201310479701.3 provides a life buoy ejector device, which mainly comprises a frame, a life buoy ejection plate, an ejection assembly and the like, and the life buoy is ejected out through a spring device in the ejection assembly to realize the rescue effect, but the device is limited in that the adjustment of the ejection angle during the life buoy ejection cannot be realized on one hand, and the automatic recovery function of the life buoy cannot be realized on the other hand, so that the trapped person cannot be pulled back in time.

Chinese patent application No. 201520862639.0 proposes a long-distance transmission formula life buoy device in the patent document, the device mainly includes the life buoy main part, meet parts such as water automatic inflation device, manual filling, exhaust apparatus, a protection section of thick bamboo, transmitter and gas cylinder, the device is after manual inflation is accomplished, launch the life buoy main part through the transmitter, and bounce the life buoy after meeting water automatic inflation device and meeting water, realize the effect of rescue, but the device adopts manual mode when aerifing on the one hand, inefficiency, on the other hand can't realize the angle adjustment of transmitter when the transmission and the effect of drawing drowned personnel back automatically.

Disclosure of Invention

The invention aims to solve the problems of the existing lifesaving device for people falling into water, and provides a lifesaving air bag delivery device and a lifesaving air bag delivery method, which can adjust the delivery angle, realize remote fixed-point delivery, automatically recover the lifesaving air bag and timely pull back trapped people.

The invention relates to a life-saving air bag delivery device, which adopts the technical scheme that: the upper part of the base is connected with a steering mechanism and a pull-back mechanism, the upper part of the steering mechanism is connected with a transmitting mechanism and an air compression mechanism, the transmitting mechanism comprises a sealed air storage cavity inclined towards the front upper part, a handle fixedly connected with the rear upper side wall of the air storage cavity, and a spring transmitting trigger connected between the air storage cavity and the handle, the side wall above the air storage cavity is respectively provided with a transmitting valve, an air release valve and an air inlet from front to back, the interior of the air storage cavity is divided into a front air cavity and a rear air cavity by an air cavity partition plate, the air cavity partition plate is provided with a through hole, and the air release valve and the air inlet are communicated with the rear air cavity; the launching valve consists of a push rod and a second spring, the push rod extends outwards from the inside of the air storage cavity and can cover the through hole, the inner end of the push rod is fixedly connected with the upper end of the second spring, the outer end of the push rod is in point contact with a trigger in the spring launching trigger outside the air storage cavity, a buckle is fixedly welded on the air cavity partition plate, the lower end of the second spring is fixedly connected with the buckle, and the push rod is provided with an air vent with the inner diameter consistent with that of the through hole; a rescue rod is coaxially and concentrically inserted at the outlet of the front end of the gas storage cavity, the upper part of the rescue rod is provided with a pull ring, and the front end of the rescue rod is provided with a lifesaving air bag accommodating pipe; a first hinge rotating shaft which is horizontal left and right is welded at the rear end part of the gas storage cavity, a second hinge rotating shaft which is horizontal left and right is welded on the side wall of the rear section, the first hinge rotating shaft and the second hinge rotating shaft are connected with a steering mechanism, the steering mechanism controls the left and right direction angles of the transmitting mechanism through the first hinge rotating shaft, and the second hinge rotating shaft controls the vertical direction height of the transmitting mechanism 1; the air compression mechanism comprises an air delivery pipe, an air compressor and a first motor, the first motor drives the air compressor to work, and the air compressor is connected with the air inlet through the air delivery pipe; the pull-back mechanism comprises a second motor, a ratchet wheel, a second coupler, a pinion, a winding post, a large gear, a rope and a wire-dividing turntable, the ratchet wheel is nested in an output shaft of the second motor and is connected with the pinion through the second coupler, the pinion is sleeved outside the second coupler through a bearing, the winding post is fixedly connected with the large gear coaxially, the large gear is meshed with the pinion, the rope is wound on the winding post, and the rope penetrates through the wire-dividing turntable and then is connected with the pull ring.

The invention relates to a delivery method of a life-saving air bag delivery device, which adopts the technical scheme that the delivery method comprises the following steps:

step A: the first motor works, the air compressor inflates the air storage cavity, and the left and right angles and the up and down heights of the launching mechanism are adjusted by rotating the steering mechanism, so that the launching mechanism is aligned to a person falling into water;

and B: holding the handle and pressing down the spring launching trigger, aligning the vent hole with the through hole, allowing compressed gas to enter the front air cavity from the rear air cavity, ejecting the rescue rod forwards and upwards, driving the winding post to rotate in the opposite direction by the rope, driving the small gear to idle by the winding post through the large gear, and preventing the pawl from rotating;

and C: the person falling into the water manually unscrews the life jacket accommodating pipe from the rescue rod, takes out the life-saving air bag, expands the life-saving air bag, and the person falling into the water encircles the life-saving air bag and grasps the rescue rod, starts the second motor, drives the pinion to rotate, and the winding post withdraws the rope to pull back the person falling into the water.

The invention adopts the technical scheme and has the beneficial effects that:

1. the life-saving air bag delivery device can effectively control the angle and distance of the life buoy when the life buoy is thrown. On one hand, the moving height of the launching mechanism in the vertical direction is adjusted by moving the supporting plate, the angle of the launching mechanism moving left and right during rotation is adjusted by connecting the fixing seat with the rotating shaft, and on the other hand, the launching distance is further adjusted by adjusting the air pressure in the air storage cavity.

2. The life-saving air bag delivery device is provided with the pull-back mechanism, the bank side can be pulled back without depending on manpower, the manpower is saved, the branch-line rotating disc is designed in the pull-back mechanism, ropes are prevented from being stirred together when drowning personnel are pulled back, the safety is guaranteed, in addition, the idle running of a pinion is realized when a life buoy is thrown out by combining a ratchet wheel, and the reverse rotation of a motor is avoided.

Drawings

FIG. 1 is a front isometric view of a life saving airbag delivery apparatus of the present invention;

FIG. 2 is an enlarged view of the base 4 of FIG. 1;

fig. 3 is an enlarged view of the structure of the launching mechanism 1 in fig. 1;

FIG. 4 is a partial cross-sectional view of FIG. 3;

FIG. 5 is an enlarged view of the assembled structure of the discharge valve 1g of FIG. 4;

fig. 6 is an exploded view of the structure of the steering mechanism 3 in fig. 1;

FIG. 7 is a bottom view of the rectangular plate of FIG. 6;

fig. 8 is an exploded view of the air compression mechanism 2 of fig. 1;

fig. 9 is an exploded view of the structure of the retracting mechanism 5 of fig. 1;

FIG. 10 is an enlarged front view of the ratchet 5c of FIG. 9;

fig. 11 is a schematic view showing a launching state of the rescue lever 1b in the launching steering mechanism 1 shown in fig. 1.

In the figure: 1. a launching mechanism; 1a, a gas storage cavity; 1a1. first hinge axis of rotation; 1a2. a second hinge shaft II; 1a3. through holes; 1a4. snap fastener; 1a5. air cavity partition; 1a6. front air cavity; 1a7. rear air cavity; 1b, a rescue rod; 1b1. a pull ring; 1c, a life-saving air bag accommodating pipe; 1c1. a lifesaving air bag; 1d, fixing a sheet; 1e, a handle; 1e1. trigger slot; 1e2. trigger shaft; 1f, spring firing trigger; 1f1. first spring; 1f2. trigger; 1g, a launching valve; 1g1. vent hole; 1g2. push rod; 1g3. second spring; 1h, an air escape valve; 1i, a barometer; 1j, an air inlet; 2. an air compression mechanism; 2a, a gas conveying pipe; 2b, an air compressor; 2c. a first motor; 2d, a first coupling; 3. a steering mechanism; 3a, a rectangular turntable; 3a1. air compressor bracket; 3a2. a motor bracket; 3a3. slide rails; 3a4. rectangular chute; 3a5. launching mechanism support base; 3a6. through holes; 3a7. rotary disc rotary shaft; 3b, a round base; 3b1, arc chute; 3b2. rotary shaft groove; 3c, sliding plate; model 3d.O deadlocking screw; 3e, a support plate; model 3f.T deadlocking screw; 4. a base; 4a, a left pillar; 4 b.L-shaped motor support; 4c. a gear post; 4d, a right strut; 4e, a coil left bracket; 4f, coil right support; 4g, a rectangular frame; 4g1. a first rectangular steel tube; 4g2. second rectangular steel tube; 4g3. third rectangular steel tube; 4g4. fourth rectangular steel tube; 4g5. fifth rectangular steel tube; 4g6. sixth rectangular steel tube; 4g7. seventh rectangular steel tube; 5. a pull-back mechanism; 5a, a branching turntable support; 5b. a second motor; 5c, ratchet wheel; 5c1. splines; 5c2. pawl; 5c3, gullet; 5d, a second coupling; 5e. pinion; 5f, winding posts; 5g, a large gear; 5h, ropes; and 5i, dividing turntable.

Detailed Description

For ease of understanding, the spatial orientation of a life saving air bag delivery device of the present invention is now specified: referring to fig. 1, the position of the base 4 placed on the ground is "down", and the relative position thereof is "up"; the facing direction of the launching mechanism 1 is taken as front, and the opposite direction is taken as back; the air compression mechanism 2 is positioned to the left, and the retraction mechanism 5 is positioned to the right.

As shown in figure 1, the life saving air bag delivery device provided by the invention comprises a launching mechanism 1, an air compression mechanism 2, a steering mechanism 3, a base 4 and a pull-back mechanism 5. Wherein, base 4 is located the below, and the top of base 4 is equipped with launching mechanism 1, air compression mechanism 2, steering mechanism 3 and pull-back mechanism 5, and steering mechanism 3 and pull-back mechanism 5 are connected base 4, and steering mechanism 3 and pull-back mechanism 5 arrange on one left and right side above base 4. The launching mechanism 1 and the air compression mechanism 2 are connected to the steering mechanism 3 and are located above the steering mechanism 3. The steering mechanism 3 and the pull-back mechanism 5 are arranged one left to right above the base 4, and the air compression mechanism 2 is located to the left of the launching mechanism 1.

Referring to fig. 2, the base 4 is composed of a rectangular frame 4g, a left support 4d, a right support 4a, an L-shaped motor support 4b, a gear support 4c, left and right coil supports 4f and 4e, and the like. The rectangular frame 4g is formed by welding seven rectangular steel pipes 4g1, 4g2, 4g3, 4g4, 4g5, 4g6 and 4g7, the first rectangular steel pipe 4g1 is positioned in front of the base 4 and horizontally arranged left and right, the sixth rectangular steel pipe 4g6 is positioned behind the base 4 and horizontally arranged left and right, the first rectangular steel pipe 4g1 and the sixth rectangular steel pipe 4g6 are identical in structure and parallel to each other, the left ends and the right ends of the first rectangular steel pipe and the sixth rectangular steel pipe are aligned, the seventh rectangular steel pipe 4g7 is positioned on the left side of the base 4 and horizontally arranged front and back, and the front end and back end of the seventh rectangular steel pipe are respectively vertically welded with the left ends of the first rectangular steel pipe 4g1 and the sixth rectangular steel pipe 4g6. The right side of the seventh rectangular steel pipe 4g7 is a fifth rectangular steel pipe 4g5 which is parallel to the seventh rectangular steel pipe, and the front and rear ends of the fifth rectangular steel pipe 4g5 are perpendicularly welded to the first and sixth rectangular steel pipes 4g1 and 4g6, respectively. The second rectangular steel pipe 4g2 is located at the right side of the fifth rectangular steel pipe 4g5, is parallel to the fifth rectangular steel pipe 4g5, and has front and rear ends respectively welded to the first and sixth rectangular steel pipes 4g1 and 4g6. The third rectangular steel pipe 4g3 is positioned at the rear side of the first rectangular steel pipe 4g1, horizontally arranged left and right, parallel to the first rectangular steel pipe 4g1, and the left and right ends of the third rectangular steel pipe 4g3 are respectively and vertically welded with the fifth and second rectangular steel pipes 4g5 and 4g2. The fourth rectangular steel pipe 4g4 is positioned at the rear side of the third rectangular steel pipe 4g3, the third rectangular steel pipe and the fourth rectangular steel pipe are parallel, the fourth rectangular steel pipe 4g 8926 is horizontally arranged left and right, and the left and right ends of the fourth rectangular steel pipe 4g4 are vertically welded with the fifth rectangular steel pipe 4g5 and the second rectangular steel pipe 4g2. And a left support 4d is vertically welded on the third rectangular steel pipe 4g3, the left support 4d is vertically arranged up and down, the right support 4a is positioned right of the left support 4d and arranged side by side, the left support and the right support are parallel, and the left support and the right support are vertically welded on the second rectangular steel pipe 4g2. The left coil support 4f and the right coil support 4e are arranged behind the left support 4d and the right support 4a, the left coil support 4f is vertically welded on a fourth rectangular steel pipe 4g4 up and down, the right coil support 4e is positioned right to the left coil support 4f and vertically welded on a second rectangular steel pipe 4g2 up and down, and the left coil support 4f and the right coil support 4e are arranged in parallel. Between the right support 4a and the coil right support 4e is a gear support 4c, the gear support 4c is vertically welded to the second rectangular steel pipe 4g2, and the coil right support 4e is located behind the gear support 4c. The L-shaped motor support post 4b is vertically arranged up and down, is arranged right at the right side of the gear support post 4c and is parallel and opposite to the gear support post 4c, and the short side below the L is welded on the right side of the second rectangular steel pipe 4g2.

Referring to fig. 3 and 4, the launching mechanism 1 mainly controls the launching operation of the device, and the initial position of the launching mechanism 1 is inclined forward and upward, kept in the forward and backward direction, and kept at a certain angle with the base 4. The launching mechanism 1 comprises a gas storage cavity 1a, a launching valve 1g, a gas release valve 1h, a barometer 1i, a gas inlet 1j, a fixing piece 1d, a handle 1e, a spring launching trigger 1f, a rescue rod 1b, a life jacket accommodating pipe 1c and the like. The air storage cavity 1a is sealed cylindrical and is inclined towards the front upper side, a transmitting valve 1g, an air release valve 1h and an air inlet 1j are respectively arranged on the side wall above the air storage cavity 1a from front to back, and the transmitting valve 1g, the air release valve 1h and the air inlet 1j are sequentially arranged and distributed on a straight line. The emission valve 1g is outwards stretched out by the inside of gas storage chamber 1a, and the outer end that the emission valve 1g stretched out can contact the spring emission trigger 1f that is located its back upper place, and spring emission trigger 1f connects in handle 1e below, and the front and back end of handle 1e is respectively through stationary blade 1d fixed connection on the lateral wall of gas storage chamber 1a back upper place, and the center pin of handle 1e is parallel with the center pin of gas storage chamber 1a, also arranges to the upper slope of the front. Stationary blade 1d and handle 1e are connected perpendicularly fixedly, two stationary blades 1d in front and back, and each stationary blade 1d all has two to constitute, and two pass through the bolt fastening. The lower end of the fixing piece 1d clamps the air storage cavity 1a, the upper end clamps the handle 1e, and the fixing piece 1d is vertically fixed with the air storage cavity 1a and the handle 1e.

The front end of the air storage cavity 1a is an outlet, a rescue rod 1b is coaxially inserted at the outlet, and the upper part of the rescue rod 1b is provided with a pull ring 1b1. The front end of the rescue rod 1b is provided with a lifesaving air bag accommodating pipe 1c, the lifesaving air bag accommodating pipe 1c is rotatably connected with the rescue rod 1b through threads, and the lifesaving air bag accommodating pipe 1c and the rescue rod 1b are coaxially connected.

An air pressure gauge 1i is installed on the side wall of the air storage cavity 1a, the air pressure gauge 1i penetrates through the air storage cavity 1a through a small hole, and the air pressure in the air storage cavity 1a is detected at any time. A first hinge rotating shaft 1a1 is welded at the rear end part of the gas storage cavity 1a, the first hinge rotating shaft 1a1 is horizontally arranged left and right, a second hinge rotating shaft 1a2 is welded on the rear section side wall of the gas storage cavity 1a, and the second hinge rotating shaft 1a2 is also horizontally arranged left and right.

The spring launching trigger 1f is arranged above the air storage cavity 1a and connected with the air storage cavity 1a and the handle 1e, the spring launching trigger 1f is composed of a first spring 1f1 and a trigger 1f2, a trigger groove 1e1 is formed in the handle 1e, a trigger rotating shaft 1e2 is installed in the trigger groove 1e1, the trigger rotating shaft 1e2 is horizontally arranged on the left and right, the rear section of the trigger 1f2 is connected with the trigger rotating shaft 1e2 and can rotate along the trigger rotating shaft 1e2, and the trigger rotating shaft 1e2 is installed in the trigger groove 1e1. The front section of the trigger 1f2 is fixedly connected in the trigger groove 1e1 through a first spring 1f1, when the front section of the trigger 1f2 is pressed upwards, the rear section of the trigger 1f2 is pressed down due to the lever principle, the launching valve 1g is triggered, and the push rod 1g2 is further pushed inwards. When the trigger 1f2 is released, the trigger 1f2 is reset by the action of the first spring 1f1, and the push rod 1g2 is pushed outward by the action of the second spring 1g3.

With reference to fig. 4 and 5, the interior of the air storage cavity 1a is divided into a front chamber and a rear chamber by an air cavity partition plate la5, the front chamber and the rear chamber are a front air cavity 1a6 and a rear air cavity la7, and a through hole 1a3 penetrating through the front air cavity 1a6 and the rear air cavity la7 is formed in the air cavity partition plate la 5. The air escape valve 1h and the air inlet 1j communicate with the rear air chamber la 7. The barometer 1i detects the internal air pressure of the rear air chamber la 7.

In fig. 5, the launching valve 1g is composed of a push rod 1g2 and a second spring 1g3, a small hole is formed in the air storage cavity 1a, the push rod 1g2 extends outwards from the inside of the air storage cavity 1a through the small hole and is embedded in the small hole and in clearance fit with the small hole, the push rod 1g2 can move inside and outside along the small hole, the push rod 1g2 covers a through hole 1a3 in the air cavity partition plate la5, the inner end of the push rod 1g2 is fixedly connected to the upper end of the second spring 1g3, and the outer end of the push rod 1g2 is always in point contact with a trigger 1f2 outside the air storage cavity 1a. A buckle la4 is fixedly welded on the air cavity partition plate la5, and the lower end of the second spring 1g3 is fixedly connected with the buckle la 4. The push rod 1g2, the air chamber partition la5 and the second spring 1g3 are parallel to each other. The push rod 1g2 is provided with a vent hole 1g1, and the inner diameter of the vent hole 1g1 is consistent with the inner diameter of a through hole 1a3 on an air cavity partition plate la 5. In an initial state, the through hole 1a3 is blocked by the upper section of the push rod 1g2, so that air in the rear air cavity la7 of the air storage cavity 1a cannot enter the front air cavity la6, when the trigger 1f is launched by pressing down the spring, the trigger 1f2 moves downwards so as to press down the push rod 1g2, the push rod 1g2 compresses the second spring 1g3, the push rod 1g2 moves downwards, at the moment, the vent hole 1g1 moves downwards to the position of the through hole 1a3 to be communicated with the through hole 1a3, high-pressure air in the rear air cavity la7 of the air storage cavity 1a enters the front air cavity la6, and then the high-pressure air can eject the rescue storage device forwards and upwards.

Referring to fig. 1, the steering mechanism 3 mainly controls the adjustment of the angle and height of the launching mechanism 1 in the left-right direction and the up-down direction. Referring to fig. 6 and 7, the steering mechanism 3 is mainly composed of a rectangular turntable 3a, a circular base 3b, a sliding plate 3c, an O-shaped locking screw 3d, a supporting plate 3e, and a T-shaped locking screw 3f.

The lowest part of the steering mechanism 3 is a circular base 3b, a rectangular turntable 3a is arranged above the middle of the circular base 3b, and the rectangular turntable 3a is connected with the circular base 3b and can rotate along the circular base 3b.

The round base 3b is composed of an arc chute 3b1 and a rotating shaft groove 3b2, two lugs are arranged on the left side and the right side of the round base 3b, threaded holes are formed in the lugs and fixed on the base 4 through bolts, the left side of the round base is fixed in the middle of a seventh rectangular steel pipe 4g7 through bolts, and the right side of the round base is fixed in the middle of a fifth rectangular steel pipe 4g5 through bolts. The center of the round base 3b is provided with a rotating shaft groove 3b2, and the upper surface of the round base 3b is provided with a 180-degree arc chute 3b1 by taking the rotating shaft groove 3b2 as the center of a circle.

The rectangular rotary disk 3a is composed of a rectangular plate, an air compressor bracket 3a1, a motor bracket 3a2, a launching mechanism bracket seat 3a5 and a rotary disk rotating shaft 3a7. The horizontal rectangular plate is provided with two slide rails 3a3 and a rectangular sliding groove 3a4 which are horizontally arranged front and back, the left side and the right side of one rectangular sliding groove 3a4 are respectively provided with one slide rail 3a3, and the two slide rails 3a3 are symmetrically distributed along the rectangular sliding groove 3a4.

A side ear protrudes out of the left front of the left side slide rail 3a, an air compressor bracket 3a1 and a motor bracket 3a2 are welded on the side ear, and the motor bracket 3a2 is parallel to the air compressor bracket 3a1 and is positioned in front of the air compressor bracket 3a1. Behind the rectangular sliding groove 3a4 is a launching mechanism bracket holder 3a5, the launching mechanism bracket holder 3a5 is connected with a first hinge rotating shaft 1a1 in fig. 3 through a bearing, and the first hinge rotating shaft 1a1 can rotate back and forth along the first hinge rotating shaft 1a1.

In fig. 7, the bottom of the rectangular plate of the rectangular turntable 3a is fixedly connected with the turntable rotating shaft 3a7 downwards, the turntable rotating shaft 3a7 is embedded and matched with the rotating shaft groove 3b2 of the round base 3b right above the turntable rotating shaft 3a, so that the rectangular turntable 3a can rotate around the rotating shaft groove 3b2, and when the rectangular turntable 3a is rotated, the rectangular turntable 3a drives the launching mechanism 1 to rotate through the connecting part. A through hole 3a6 is formed in the rectangular rotary disc 3a, threads are arranged in the through hole 3a6 and are matched with a T-shaped locking screw 3f for use, and the lower portion of the through hole 3a6 is opposite to the arc sliding groove 3b1. When the rectangular rotary disc 3a makes a circular motion by taking the rotary disc rotating shaft 3a7 as a circle center, the motion arc line of the through hole 3a6 is positioned right above the arc chute 3b1, when the rectangular rotary disc 3a rotates to a required position, the T-shaped locking screw 3f rotates downwards and abuts against the bottom of the arc chute 3b1, so that the rectangular rotary disc 3a can be fixedly locked, the rotary disc cannot make a rotary motion, and at the moment, the launching mechanism 1 rotates to the required position.

A sliding plate 3c is arranged above the two sliding rails 3a3, the sliding plate 3c is in clearance fit with the sliding rail 3a3 and can move back and forth along the sliding rail 3a3, a threaded hole is formed in the sliding plate 3c and is matched with an O-shaped locking screw 3d for use, the lower portion of the O-shaped locking screw 3d is right opposite to the rectangular sliding groove 3a4, and the O-shaped locking screw 3d can abut against the bottom of the arc sliding groove 3b1 to lock the sliding plate 3c. The sliding plate 3c is fixedly connected with the lower part of the supporting plate 3e, the upper part of the supporting plate 3e is connected with the second hinge rotating shaft 1a2 in fig. 3, and further the launching mechanism 1 is fixedly connected to the steering mechanism 3, when the sliding plate 3c moves back and forth along the sliding rail 3a3, the sliding plate 3c drives the supporting plate 3e to move back and forth, the supporting plate 3e drives the launching mechanism 1 to do circular motion by taking the first hinge rotating shaft 1a1 as a rotating shaft, so that the height of the launching mechanism 1 in the vertical direction can be adjusted, when the required position is reached, the O-shaped locking screw 3d rotates downwards and abuts against the bottom of the rectangular sliding groove 3a4, the sliding plate 3c is fixedly locked, the sliding plate cannot move back and forth along the sliding rail 3a3, and the launching height of the launching mechanism 1 is determined.

Referring to fig. 1, the air compressing mechanism 2 mainly controls the operation of charging air into the air reservoir 1a of the transmitter to adjust the air pressure in the air reservoir 1a. Referring to fig. 4, 6 and 8, the air compression mechanism 2 mainly comprises an air pipe 2a, an air compressor 2b, a first motor 2c and a first coupling 2d. The first motor 2c is fixedly arranged on a motor support 3a2 in fig. 6, the air compressor 2b is fixedly arranged on an air compressor support 3a1 in fig. 6, the first motor 2c is connected with the air compressor 2b through a first coupler 2d, the central axes of the first motor 2c, the first coupler 2d and the air compressor 2b are overlapped, one end of the air pipe 2a is connected with an outlet of the air compressor 2b, and the other end of the air pipe 2a is connected with an air inlet 1j of the launching mechanism 1 in fig. 3. The first motor 2c is started to drive the first coupler 2d, so as to drive the air compressor 2b to work, and the air storage cavity 1a is inflated through the air delivery pipe 2a.

Referring to fig. 1, the pull-back mechanism 5 mainly controls the operation of pulling back the man who falls into the water. With reference to fig. 9 and 10, the retracting mechanism mainly comprises a wire separating turntable bracket 5a, a second motor 5b, a ratchet 5c, a second coupling 5d, a pinion 5e, a winding post 5f, a gearwheel 5g, a rope 5h, a wire separating turntable 5i, and the like. The ratchet wheel 5c mainly comprises a spline 5c1, a pawl 5c2 and a toothed groove 5c3, the spline 5c1 is arranged in the middle, the pawl 5c2 is driven to rotate, when the pawl 5c2 rotates clockwise, the pawl 5c2 is clamped in the toothed groove 5c3, the toothed groove 5c3 prevents the pawl 5c2 from rotating, and when the pawl 5c2 rotates anticlockwise, the pawl 5c2 can slide anticlockwise in the toothed groove 5c3.

The second motor 5b is horizontally arranged left and right and is fixedly installed on the L-shaped motor support post 4b through a bolt, the ratchet wheel 5c is nested on an output shaft of the second motor 5b through a spline 5c1, the output shaft of the second motor 5b is connected with the pinion 5e through a second coupling 5d, the pinion 5e is sleeved outside the second coupling 5d through a bearing, the right end of the bearing is connected with the second coupling 5d, and the left end of the bearing is fixed on the gear support post 4c. The central axes of the second motor 5b, the ratchet 5c, the second coupling 5d, and the pinion 5e are coincident with each other. The winding posts 5f are horizontally arranged left and right, the left ends of the winding posts are nested on the coil left support 4f through bearings, the right ends of the winding posts are nested on the coil right support 4e through bearings, and the winding posts 5f are fixed through the coil left and

right supports

4f and 4e. The right end face of the winding column 5f is fixedly connected with a large gear 5g through a bolt, so that the left end face of the large gear 5g is coincided with the right end face of the winding column 5f, the central axis of the large gear 5g is coincided with the central axis of the winding column 5f, the large gear 5g is meshed with a small gear 5e, and the central axes of the large gear 5g and the small gear 5e are parallel. The right side of the big gear wheel 5g is provided with a branching turntable 5i, the branching turntable 5i is composed of two strip-shaped spoked wheels, the strip-shaped spoked wheels are fixedly connected on a turntable support 5a through a rotating shaft, the central axis of the strip-shaped spoked wheels is vertical to the turntable support 5a, two ends of the turntable support 5a are respectively and fixedly installed on a left support 4a and a right support 4d through bolts, and an angle of 30 degrees is formed between the upper surface of the left support 4a and the upper surface of the right support 4d and the upper surface of the base 4. A rope 5h is wound around the winding post 5f, and the rope 5h passes through the branching turntable 5i, extends forward and upward, and is connected to the pull ring 1b1 of the rescue lever 1b. When the second motor 5b rotates anticlockwise, the output shaft of the second motor 5b drives the spline 5c1 to rotate, the spline 5c1 drives the pawl 5c2 to rotate, a spring is arranged inside the pawl 5c2, the pawl 5c2 slides in the tooth groove 5c3 at the moment, the second motor 5b drives the pinion 5e to rotate through the second coupler 5d, the pinion 5e is meshed with the gearwheel 5g, the pinion 5e drives the gearwheel 5g to rotate, the gearwheel 5g drives the winding post 5f to rotate, the rope 5h is wound on the winding post 5f, and a person falling into water is pulled back. When the launching mechanism 1 launches the rescue rod 1b, the rope 5h drives the winding post 5f to rotate in the opposite direction, the winding post 5f drives the pinion 5e to rotate in the opposite direction through the large gear 5g, the pawl 5c2 is driven to move clockwise at the moment, the pawl 5c2 is clamped in the tooth groove 5c3, the tooth groove 5c3 prevents the pawl 5c2 from rotating, the pawl 5c2 does not rotate, the second motor 5b is prevented from rotating reversely, the ratchet wheel 5c achieves the idle rotation effect of the pinion 5e, and the problem of reverse rotation of the second motor 5b caused by the reverse rotation of the pinion 5e is avoided.

Referring to fig. 1 to 11, when the life-saving airbag delivery device is used, the first motor 2c is firstly turned on, the first motor 2c works to drive the air compressor 2b to work to inflate the air storage cavity 1a, the air pressure value of the air pressure gauge 1i is observed, if the air pressure is too high, the air release valve 1h can be pressed to release redundant air, the air pressure in the air storage cavity 1a is reduced, then the position of a person falling into water is observed, and the position of the emission mechanism 1 is adjusted to finish emission. When the launching mechanism works, the launching angle of the launching mechanism 1 is adjusted by rotating the steering mechanism 3, the rectangular rotary disc 3a is nested on the circular base 3b through the rotary disc rotary shaft 3a7, the rotary disc rotary shaft 3a7 is matched with the rotary shaft groove 3b2, the rectangular rotary disc 3a can rotate on the circular base 3b by taking the rotary shaft groove 3b2 as the circle center, an operator judges and further adjusts the angle of the launching mechanism according to the falling water position of a person falling into the water, and when the adjustment angle is determined, the rectangular rotary disc 3a is fixed by rotating the T-shaped locking screw 3f downwards, the T-shaped locking screw 3f is matched with the through hole 3a6 and the arc sliding groove 3b1, and the adjustment of the left-right direction angle of the launching mechanism 1 is completed. The up-down height of the launching mechanism 1 is adjusted through the front-back sliding plate 3c, the sliding plate 3c is limited in the rectangular sliding groove 3a3 and moves back and forth along the rectangular sliding groove 3a3, an operator determines the required launching height of the launching mechanism 1 through manually adjusting the moving distance of the sliding plate 3c in the front-back direction of the rectangular sliding groove 3a3, when the launching mechanism 1 reaches the required height, the screw 3d is tightly pressed at the bottom of the rectangular sliding groove 3a3 through downward rotation of the O-shaped screw, the sliding plate 3c is tightly locked at a fixed position, and the height adjustment of the launching mechanism 1 is completed. Before the launching mechanism 1 is formally used, the range relation between the air pressure in the launching mechanism 1 and the launching distance is determined in a test mode, and when an operator uses the launching mechanism, the inflation air pressure is judged and adjusted according to the position of a person falling into water through the range relation between the air pressure in the launching mechanism 1 and the launching distance. Next, after the launching mechanism 1 is aligned with a person falling into the water, the handle 1e is held to press the spring launching trigger 1f, the push rod 1g2 is pressed downwards by the trigger 1f2 due to the lever principle, the vent hole 1g1 is aligned with the through hole 1a3, compressed gas enters the front air cavity 1a6 from the rear air cavity 1a7, and then the rescue rod 1b is ejected forwards and upwards as shown in fig. 11, meanwhile, the rope 5h can be prevented from winding by the branching rotary disc 5i due to the connection of the rope 5h on the pull ring 1b1 of the rescue rod 1b, and the second motor 5b is prevented from reversely rotating due to the action of the ratchet 5c between the pinion 5e and the second motor 5b, and the rescue rod 1b reaches the person falling into the water. When the rescue rod 1b is inserted into the upper part of the air storage cavity 1a, when the rescue rod 1b is ejected out by the launching mechanism 1, a person falling into the water can take out the lifesaving air bag 1c1 after manually unscrewing the life jacket accommodating pipe 1c from the rescue rod 1b, at the moment, the lifesaving air bag 1c1 is expanded, and the person falling into the water can float on the water surface by surrounding the lifesaving air bag 1c1 and grasp the rescue rod 1b. Finally, the second motor 5b is started, the second motor 5c drives the pinion 5e to rotate, the winding post 5f retracts the rope 5h, and the person falling into the water is slowly pulled back to the shore.

Claims

1. The utility model provides a life saving air bag delivery device, the below is base (4), and steering mechanism (3) and pull-back mechanism (5) are connected to the top of base (4), and launching mechanism (1) and air compression mechanism (2), characterized by are connected to the top of steering mechanism (3): the launching mechanism (1) comprises a sealed air storage cavity (1 a) inclined towards the upper front part, a handle (1 e) fixedly connected with the rear upper side wall of the air storage cavity (1 a), and a spring launching trigger (1 f) connected between the air storage cavity (1 a) and the handle (1 e), wherein a launching valve (1 g), an air release valve (1 h) and an air inlet (1 j) are respectively arranged on the side wall above the air storage cavity (1 a) from front to back, the interior of the air storage cavity (1 a) is divided into a front air cavity (1 a 6) and a rear air cavity (la 7) by an air cavity partition plate (la 5), a through hole (1 a 3) is formed in the air cavity partition plate (la 5), the air release valve (1 h) is communicated with the rear air cavity (la 7), and the air inlet (1 j) is communicated with the rear air cavity (la 7); the launching valve (1 g) consists of a push rod (1 g 2) and a second spring (1 g 3), the push rod (1 g 2) extends outwards from the inside of the air storage cavity (1 a) and can cover the through hole (1 a 3), the inner end of the push rod (1 g 2) is fixedly connected with the upper end of the second spring (1 g 3), the outer end of the push rod (1 g 2) is in point contact with a trigger (1 f 2) in a spring launching trigger (1 f) outside the air storage cavity (1 a), a buckle (la 4) is fixedly welded on the air cavity partition plate (la 5), the lower end of the second spring (1 g 3) is fixedly connected with the buckle (la 4), and the push rod (1 g 2) is provided with a vent hole (1 g 1) with the inner diameter consistent with that of the through hole (1 a 3); a rescue rod (1 b) is coaxially and concentrically inserted into the front end outlet of the air storage cavity (1 a), the upper part of the rescue rod (1 b) is provided with a pull ring (1 b 1), and the front end of the rescue rod (1 b) is provided with a lifesaving air bag accommodating pipe (1 c); the rear end part of the gas storage cavity (1 a) is welded with a first hinge rotating shaft (1 a 1) which is horizontal left and right, the side wall of the rear section is welded with a second hinge rotating shaft (1 a 2) which is horizontal left and right, the first hinge rotating shaft (1 a 1) and the second hinge rotating shaft (1 a 2) are connected with a steering mechanism (3), the steering mechanism (3) controls the left and right direction angle of the launching mechanism (1) through the first hinge rotating shaft (1 a 1), and the vertical direction height of the launching mechanism (1) is controlled through the second hinge rotating shaft (1 a 2); the air compression mechanism (2) comprises an air conveying pipe (2 a), an air compressor (2 b) and a first motor (2 c), the first motor (2 c) drives the air compressor (2 b) to work, and the air compressor (2 b) is connected with the air inlet (1 j) through the air conveying pipe (2 a); the pull-back mechanism (5) comprises a second motor (5 b), a ratchet wheel (5 c), a second coupler (5 d), a pinion (5 e), a winding post (5 f), a large gear (5 g), a rope (5 h) and a branching turntable (5 i), the output shaft of the second motor (5 b) is nested with the ratchet wheel (5 c) and is connected with the pinion (5 e) through the second coupler (5 d), the pinion (5 e) is sleeved outside the second coupler (5 d) through a bearing, the winding post (5 f) is fixedly connected with the large gear (5 g) coaxially, the large gear (5 g) is meshed with the pinion (5 e), the rope (5 h) is wound on the winding post (5 f), and the rope (5 h) penetrates through the branching turntable (5 i) and then is connected with the pull ring (1 b 1).

2. A life saving air bag delivery apparatus as claimed in claim 1, wherein: the spring launching trigger (1 f) consists of a first spring (1 f 1) and a trigger (1 f 2), a trigger groove (1 e 1) is formed in a handle (1 e), a trigger rotating shaft (1 e 2) which is horizontally arranged left and right is arranged in the trigger groove (1 e 1), the rear section of the trigger (1 f 2) is connected with the trigger rotating shaft (1 e 2), and the front section of the trigger (1 f 2) is fixedly connected with the trigger groove (1 e 1) through the first spring (1 f 1).

3. A life saving air bag delivery apparatus as claimed in claim 1, wherein: the steering mechanism (3) comprises a rectangular turntable (3 a), a round base (3 b), a sliding plate (3 c) and a supporting plate (3 e), the round base (3 b) is arranged at the lowest part, the rectangular turntable (3 a) is connected above the middle of the round base (3 b), and the rectangular turntable (3 a) can rotate along the round base (3 b); the rectangular turntable (3 a) comprises a rectangular plate, an air compressor bracket (3 a 1), a motor bracket (3 a 2) and a launching mechanism bracket seat (3 a 5), wherein the rectangular plate is provided with two sliding rails (3 a 3) and a rectangular sliding groove (3 a 4) which are horizontally arranged front and back, the left side and the right side of the rectangular sliding groove (3 a 4) are respectively provided with a sliding rail (3 a 3), the left front part of the left sliding rail (3 a) is welded with the air compressor bracket (3 a 1) and the motor bracket (3 a 2), the rear part of the rectangular sliding groove (3 a 4) is provided with the launching mechanism bracket seat (3 a 5), and the launching mechanism bracket seat (3 a 5) is connected with a first hinge rotating shaft (1 a 1) through a bearing; a sliding plate (3 c) is arranged above the two sliding rails (3 a 3), the sliding plate (3 c) can move back and forth along the sliding rails (3 a 3), the sliding plate (3 c) is fixedly connected with the lower part of the supporting plate (3 e), and the upper part of the supporting plate (3 e) is connected with the second hinge rotating shaft (1 a 2).

4. A life saving air bag delivery apparatus as claimed in claim 3, wherein: circular base (3 b) upper surface is opened has 180 circular arc spout (3 b 1), it has through-hole (3 a 6) to open on rectangular carousel (3 a), has the screw in through-hole (3 a 6), with T type dead lock screw (3 f) cooperation, the motion pitch arc of through-hole (3 a 6) is located circular arc spout (3 b 1) directly over, screw (3 f) are locked to the downward rotatory T type, can support and lock rectangular carousel (3 a) dead at circular arc spout (3 b 1) bottom.

5. A life saving air bag delivery apparatus as claimed in claim 3, wherein: the sliding plate (3 c) is provided with a threaded hole which is matched with an O-shaped locking screw (3 d), the lower part of the O-shaped locking screw (3 d) is right opposite to the rectangular sliding groove (3 a 4), and the O-shaped locking screw (3 d) can abut against the bottom of the arc sliding groove (3 b 1) to lock the sliding plate (3 c).

6. A life saving air bag delivery apparatus as claimed in claim 1, wherein: the side wall of the air storage cavity (1 a) is provided with an air pressure meter (1 i), and the air pressure meter (1 i) is communicated with the inside of the air storage cavity (1 a) through a small hole.

7. A method of delivering a life saving air bag delivery apparatus as claimed in claim 1, comprising the steps of:

step A: the first motor (2 c) works, the air compressor (2 b) inflates the air storage cavity (1 a), and the left and right angles and the up and down heights of the launching mechanism (1) are adjusted by rotating the steering mechanism (3), so that the launching mechanism (1) is aligned to a person falling into water;

and B: holding the handle (1 e) to press the spring launching trigger (1 f), aligning the vent hole (1 g 1) with the through hole (1 a 3), enabling compressed gas to enter the front air cavity (1 a 6) from the rear air cavity (1 a 7), ejecting the rescue rod (1 b) forwards and upwards, simultaneously driving the winding post (5 f) to rotate in the opposite direction by the rope (5 h), driving the pinion (5 e) to idle by the winding post (5 f) through the gearwheel (5 g), and not rotating the pawl (5 c 2);

and C: a person falling into the water manually unscrews the life jacket accommodating pipe (1 c) from the rescue rod (1 b) to take out the life-saving air bag (1 c 1), the person falling into the water encircles the life-saving air bag (1 c 1) and grasps the rescue rod (1 b), the second motor (5 b) is started, the second motor (5 c) drives the pinion (5 e) to rotate, the rope (5 h) is retracted by the winding post (5 f), and the person falling into the water is pulled back.