CN117695090A - Full scene wounded person transfer device for boats and ships - Google Patents

Abstract

The full scene wounded person transfer device for the ship comprises a stretcher main body, inclined ladder crawler wheels, a power pulling device and a matched component, wherein the matched component comprises right-angle rope collecting pulleys and hatch rollers; the stretcher main body comprises a stretcher frame, stretcher cloth arranged on the stretcher frame, a folding cushion, folding pedals and a safety binding belt, wherein the two ends of the stretcher frame are respectively provided with handrails, and the two sides of the stretcher frame are provided with side folding handrails; the inclined ladder crawler wheel is arranged below the stretcher main body in a folding way, and the power pulling device is used for pulling the stretcher main body upwards through connection of a steel rope and the stretcher main body; the inclined ladder crawler wheel is placed on the inclined ladder when being transported on the inclined ladder, the right-angle rope collecting pulley is used for placing the inclined ladder on the corner of the uppermost stage of stairs when the power pulling device pulls the stretcher main body on the inclined ladder, and the hatch roller is used for being fixed in the hatch when the vertical ladder is transported so as to support the steel rope. The invention is convenient for the wounded to transport on the ship inclined ladder, the vertical ladder and the horizontal channel, reduces the risk of aggravating the wounded, and improves the wounded transporting efficiency.

Description

Full scene wounded person transfer device for boats and ships

Technical Field

The invention relates to the field of ship wounded transferring equipment, in particular to a ship full scene wounded transferring device.

Background

Modern ship cabins are complex in structure, narrow in cabin channel and steel in structure, and injury conditions of personnel such as falling injury, sprain and collision injury can occur. The passageway is mostly hand inclined ladder or erects the ladder between the boats and ships deck, is limited in boats and ships space and watertight overall arrangement, and hand inclined ladder is generally comparatively narrow, steep, erects the ladder and then is comparatively narrow, and splint are equipped with watertight hatch board moreover, all are unfavorable for wounded's transportation.

During the transportation process of the inclined ladder, 2 ambulance men generally lift the stretcher to move upwards in a front-back mode, and the process has two difficulties: firstly, when a first rescue worker walks up stairs, the angle of the stretcher needs to be slowly adjusted to adapt to the rotation angle of the stairs, and when the rotation angle of the inclined ladder is too small, the stretcher cannot be turned right; secondly, when the transportation personnel are all on the inclined ladder, because the stair angle reason, current position personnel keep normal altitude posture, wounded weight will be concentrated in back personnel mostly, leads to back personnel too big pressure, and when back personnel keep normal altitude posture, the front personnel needs the low appearance to be carried away from the stretcher, leads to the front personnel to be bad to exert oneself. Therefore, it is extremely difficult for the wounded to transport on the inclined ladder, and in actual operation, one transporting person often carries the wounded through the inclined ladder, and the other transporting person assists the wounded to transfer and transport the stretcher.

In the transportation process of the wounded on the vertical ladder, the procedure is more complicated, the transportation personnel transport the wounded to the lower part of the vertical ladder opening through the stretcher, the wounded is upwards lifted by the personnel above the vertical ladder after being fixed through the safety belt and the rope, and the wounded is pulled to the position of the hatch cover and then is pulled to the upper layer. The transportation process needs 3 personnel at least, and 1 personnel fix and control wounded person upward transport in-process direction in vertical ladder below, prevent personnel to bump and jamming, and 2 personnel pull up wounded person in vertical ladder top, after transferring wounded person safety to vertical ladder upper deck, be fixed in the stretcher with wounded person on, carry out follow-up transportation.

Above-mentioned 2 wounded persons all are comparatively complicated in inclined ladder and vertical ladder mode of transporting, have following shortcoming:

1. the transportation mode that a transportation person carries a wounded person to transport on an inclined ladder and transport on a vertical ladder by pulling up through ropes has certain limitation, and once the wounded person is injured on the chest, the spine, the ribs and other parts, the wounded person is aggravated by carrying and rope binding;

2. in the transferring process of the inclined ladder and the vertical ladder, a great deal of time is consumed by transferring the wounded from the stretcher to the back of the transferring personnel and transferring the wounded from the stretcher to the lower part of the vertical ladder and binding and fixing the wounded by ropes, so that the golden time of the wounded first aid can be missed;

3. the wounded can all cause a large amount of physical stamina loss to the transportation personnel in the transportation process of inclined ladder and vertical ladder, whether adopt to bear or rise through the rope, in case wounded wound position place to the medical treatment place deck distance is farther, will be serious test to the physical stamina of transportation personnel, along with the loss of transportation personnel physical stamina, rescue time can correspondingly lengthen. Especially, at least 3 transfer personnel are needed for the vertical ladder, so that manpower resources on the ship are seriously occupied, and the fight force of the ship is weakened.

To sum up, current ship wounded person transportation is extremely complicated difficult, can't effectively ensure on-board personnel vitality, and a safe and stable wounded person transportation device is urgently needed to reduce wounded person wounded condition aggravate risk, improves wounded person transportation efficiency.

Disclosure of Invention

The invention designs a wounded transferring device which can be used for a ship inclined ladder and a vertical ladder for solving the problems.

The full scene wounded person transfer device for the ship comprises a stretcher main body, inclined ladder crawler wheels, a power pulling device and a matched component, wherein the matched component comprises right-angle rope collecting pulleys and hatch rollers; the stretcher main body comprises a stretcher frame, stretcher cloth arranged on the stretcher frame, a folding cushion, folding pedals and a safety binding belt, wherein the two ends of the stretcher frame are respectively provided with handrails, and the two sides of the stretcher frame are provided with side folding handrails; the inclined ladder crawler wheel is arranged below the stretcher main body in a folding way, and the power pulling device is used for pulling the stretcher main body upwards through connection of a steel rope and the stretcher main body; the inclined ladder crawler wheel is placed on the inclined ladder when being transported on the inclined ladder, the right-angle rope collecting pulley is used for placing the inclined ladder on the corner of the uppermost stage of stairs when the power pulling device pulls the stretcher main body on the inclined ladder, and the hatch roller is used for being fixed in the hatch when the vertical ladder is transported so as to support the steel rope.

Further, the stretcher main body is of a three-section type foldable structure, and is an upper section stretcher, a middle section stretcher and a lower section stretcher respectively, and the upper section stretcher and the lower section stretcher can be folded towards the middle section stretcher.

Furthermore, two sides of the middle stretcher are provided with two side folding handrails which can be folded downwards and are used for a person to drag the stretcher upwards when the stretcher is used on stairs; the lower part of the middle stretcher is provided with a folding cushion capable of moving up and down, and the front part of the handrail of the lower stretcher is provided with two folding wheels capable of folding inwards.

Further, the folding cushion can move along the stretcher direction, and the movable area of the folding cushion is 50cm-80cm based on the lower end point of the stretcher.

Further, the inclined ladder crawler wheel is folded below the lower section stretcher.

Further, the inclined ladder crawler wheel consists of a crawler belt and a crawler wheel, wherein the lowering and retracting switch of the crawler wheel is of a shifting piece structure, and the lowering and retracting of the crawler wheel is completed by using the foot shifting switch in the use process.

Further, the folding seat cushion is in a shape of a bicycle seat cushion.

Further, the power lifting device comprises a permanent magnet magnetic chuck, an electric winch, a battery module and a control handle, wherein the permanent magnet magnetic chuck is used for fixing the power lifting device on a steel structure bulkhead opposite to an inclined ladder at a corner of the inclined ladder or on a steel structure bulkhead outside a vertical ladder hatch cover, a steel cable on the electric winch is connected with a stretcher main body to lift the stretcher upwards, the battery module is used for supplying power to the electric winch, the control handle is used for controlling the start and stop of the electric winch, and the permanent magnet magnetic chuck is connected with the electric winch and the battery module through rotatable screws.

Further, the permanent magnetic chuck is composed of 2 magnetic chuck modules, and the 2 magnetic chuck modules are installed side by side and are adsorbed and separated from a fixed point through a switch handle.

Further, the safety belts comprise leg belts, waist belts and chest belts, wherein the leg belts are used for fixing the legs of the wounded person in the transportation process of the inclined ladder and the vertical ladder; the waist binding belt is arranged at the folding cushion and is a triangular safety belt, one end of the waist binding belt is fixed on the folding cushion and can move up and down along with the folding cushion, and the waist binding belt is used for fixing the waist of a person on the stretcher main body; chest straps are used to secure the upper torso of a patient.

The invention has the following beneficial effects:

the invention provides a full-scene wounded transferring device for ships, which is convenient for wounded to transfer on inclined ladders, vertical ladders and horizontal channels of ships. The invention has the characteristics of simple structure, safety, reliability, high transfer rate, convenience, labor saving, strong field adaptability and the like. Meanwhile, the device can also be used as other heavy object transferring tools, can be used at the positions of narrow stairs, vertical stairs and the like, can overcome the problems that the inclined stairs for ships are steep, narrow and small in turning radius and inconvenient for transferring heavy objects, the vertical stairs are narrow and have no force applying points and the like, and is beneficial to improving the transferring efficiency of wounded ships and heavy objects and guaranteeing the vitality of crews.

Drawings

FIG. 1 is a schematic front view of a marine full scene wounded person transfer apparatus of the present invention;

FIG. 2 is a schematic view of the present invention in use in a horizontal plane;

FIG. 3 is a schematic view of the invention in use on a ramp;

fig. 4 is a schematic view of the invention in use on a riser.

In the figure: 1-stretcher main body, 3-folding cushion, 4-folding pedal, 5-handrail, 6-side folding handrail, 7-waist bandage, 8-chest bandage, 9-leg bandage, 10-inclined ladder crawler wheel, 11-folding wheel, 12-power pulling device, 13-permanent magnet magnetic chuck, 14-electric winch, 15-battery module, 16-right angle rope collecting pulley, 17-cable, 18-hatch roller and 19-back hook.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4, an embodiment of the present invention provides a full scene wounded transferring device for a ship, which includes a stretcher body 1, an inclined ladder crawler 10, a power lifting device 12, and a mating component, wherein the mating component includes a right angle rope collecting pulley 16 and a hatch roller 18.

The stretcher main body 1 comprises a stretcher frame, stretcher cloth arranged on the stretcher frame, a folding cushion 3, folding pedals 4 and a safety binding belt, wherein armrests 5 are respectively arranged at two ends of the stretcher frame, and side folding armrests 6 are arranged at two sides of the stretcher frame; the stretcher frame is made of high-light aluminum alloy, and has a length of 2.2 m and a width of 0.5 m.

The stretcher body 1 is of a three-section type foldable structure, the lengths of the stretcher body 1 are 0.7 meter, 0.8 meter and 0.7 meter respectively, 4 handles 5 with the length of 10cm are arranged at two ends of the stretcher, and an anti-slip plastic sleeve is arranged outside each handle 5. The upper section stretcher and the lower section stretcher can be folded towards the middle section stretcher, and the stretcher bag can be put in when not in use. Two sides of the middle stretcher are provided with two side folding armrests 6 which can be folded downwards, and the length is 10cm, so that when the stretcher is used on stairs, a person pulls the stretcher upwards, and the direction and the stability of the stretcher are maintained; the lower part of the middle stretcher is provided with a folding cushion 3 which can move up and down, the length of the folding cushion 3 is 33cm, the width of the folding cushion is 30cm, the folding cushion 3 is in the shape of a bicycle cushion, a wounded person can sit on the folding cushion 3 when the inclined ladder is transported, and the back of the wounded person moves upwards by the stretcher; when a wounded is transported on the vertical ladder, the folding cushion 3 can act on the crotch of the wounded, so as to provide vertical supporting force for the wounded and prevent the wounded from sliding downwards; the folding cushion 3 can move along the stretcher direction, the movable area of the cushion is 50-80cm based on the lower end point of the stretcher, the cushion is 50cm in the position of transferring the wounded on the inclined ladder, and the cushion is 80cm in the position of transferring the wounded on the vertical ladder; the front part of the handrail of the stretcher at the lower section is provided with two folding wheels 11 which can be folded inwards, the diameter of each folding wheel 11 is 12cm, and the outer layer is made of rubber.

The lower section stretcher is provided with an inclined ladder crawler wheel 10, the lower section stretcher is folded below the lower section stretcher, when the lower section stretcher needs to be transported on the inclined ladder, the inclined ladder crawler wheel 10 is lowered onto the inclined ladder, and the stretcher main body 1 can move on the inclined ladder through the inclined ladder crawler wheel 10. The inclined ladder crawler wheel 10 consists of a crawler belt and a crawler wheel, wherein the crawler belt is 60cm long, is made of rubber, and is provided with anti-skid patterns. The crawler wheel main body structure is made of high-strength aluminum alloy, and the strength and the weight of the crawler wheel are taken into consideration. The lowering and retracting switch of the crawler wheel is of a poking piece structure, and the foot can be used for poking the switch in the use process, so that the lowering and retracting of the crawler wheel are completed. When the crawler belt is used on the inclined ladder, the crawler belt wheels are in an open state, and when the crawler belt is used on the vertical ladder, the crawler belt wheels are in a folding state.

The power lifting device 12 comprises a permanent magnet magnetic chuck 13, an electric winch 14, a battery module 15 and a control handle. The kit includes a right angle rope pulley 16 and a hatch roller 18.

As shown in fig. 3, in the transportation process of the inclined ladder, the permanent magnetic chuck 13 fixes the power lifting device on the bulkhead of the steel structure opposite to the inclined ladder at the corner of the inclined ladder. The right-angle rope collecting pulley 16 is used for placing the power pulling device 12 on the corner of the uppermost stair of the inclined ladder when the stretcher main body 1 is pulled on the inclined ladder during transportation of the inclined ladder, the right-angle rope collecting pulley 16 is used for guiding the steel rope 17, and right-angle abrasion of the steel rope 17 and the inclined ladder steps is avoided.

As shown in fig. 4, in the transferring process of the vertical ladder, the permanent magnetic chuck 13 fixes the power lifting device on the steel structure bulkhead outside the hatch cover of the vertical ladder, the steel cable 14 on the electric winch 14 is connected with the stretcher body 1 to lift the stretcher upwards, the battery module 15 can adopt a lithium battery to supply power for the electric winch 14, and the control handle is used for controlling the start and stop of the electric winch 14. The difficulty that the wounded person is difficult to transport to the upper deck in the vertical ladder scene in the transportation process can be solved through the vertical ladder power lifting device. The hatch roller 18 is composed of two rollers and a fixer, the two rollers are fixed on the hatch by the fixer, and when the vertical ladder is lifted, the hatch roller 18 supports the steel rope 17 to prevent the steel rope 17 and the hatch from wearing each other. The hatch rollers 18 can support the stretcher on one hand and avoid the stretcher from being damaged due to friction between the stretcher and the hatch; on one hand, the resistance in the ascending process of the stretcher can be reduced, so that the stretcher can stably ascend. The matching parts and the power lifting device are placed together, and are taken out to be matched with the power lifting device for use.

Preferably, the permanent magnetic chuck 13 is composed of 2 magnetic chuck modules with the strength of 200kg, the 2 magnetic chuck modules are arranged side by side, the fixed points can be adsorbed and separated through a switch handle, and the length of each magnetic chuck module is 155mm, the width of each magnetic chuck module is 83mm, and the height of each magnetic chuck module is 71mm. The permanent magnet magnetic chuck 13 is connected with the electric winch 14 and the battery module 15 through rotatable screws, the angle between the permanent magnet magnetic chuck 13 and the electric winch 14 and the battery module 15 can be guaranteed to rotate randomly, lateral pulling force of the steel cable 14 on the magnetic chuck module caused by overhigh adsorption position of the permanent magnet magnetic chuck 13 is reduced, and the permanent magnet magnetic chuck 13 can provide more stable magnetic force for the steel cable direction.

The stretcher main body 1 is a three-fold stretcher, when a wounded person is transported on an inclined ladder, the upper-section stretcher can be fixed on the rear side of the middle-section stretcher through a binding belt after being folded, and the length of the stretcher is reduced. The transfer personnel pull the side folding armrests 6 on the two sides of the middle section of the stretcher to drag the stretcher, so that the stretcher is prevented from being difficult to turn at the corner of the inclined ladder due to steep ship inclined ladder and too small corner radius.

The folding cushion 3 is in a shape of a bicycle cushion, can provide support for wounded when the inclined ladder and the vertical ladder are transported, and meanwhile, the legs of the wounded can naturally droop, so that the wounded is prevented from being bumped and injured due to bending and protruding knees. The folding cushion 3 can move up and down, when a wounded person is transported on the inclined ladder, the folding cushion 3 is fixed at the lowest end of the up-down movement range, the gravity center of the wounded person is lowered, and the stretcher is prevented from toppling over; when transporting wounded on the vertical ladder, folding cushion 3 is fixed in the upper end of upper and lower movable range, makes things convenient for wounded's shank to be in upright state, avoids shank bending to lead to wounded to rise the time clamping stagnation in the hatch position, leads to personnel injury.

The safety bandage consists of 3 bandages, namely a leg bandage 9, a waist bandage 7 and a chest bandage 8, and different bandages are selected and fixed according to the state of a wounded person. The leg binding belt 9 is used for fixing the legs of the wounded in the transportation process of the inclined ladder and the vertical ladder and preventing the legs from swinging; the waist binding belt 7 is arranged at the position of the folding cushion 3 and is a triangular safety belt, one end of the waist binding belt is fixed on the folding cushion 3, and can move up and down along with the folding cushion 3, so that the waist of a person can be fixed on the stretcher main body 1, and the person is prevented from sliding out of the cushion; the chest strap 8 is used for fixing the upper body trunk of the wounded person, prevents the swing and inclination of the upper body of the wounded person from leading to unstable gravity center, and avoids secondary injury to the wounded person.

The battery module 15 is of a packaging structure, and is internally provided with a charging management module, and a sliding rail type mounting mode is adopted, and a sliding rail is mounted on a packaging shell of the electric winch 15.

The full-field Jing Shangyuan transfer stretcher has the functions of being applicable to horizontal channels, inclined ladders and vertical ladder scenes, and the specific using method is as follows.

1. Horizontal channel implementation

As shown in fig. 2, when the stretcher is used in a horizontal passage, a wounded person is fixed on the stretcher by using a safety belt, and the wounded person is transferred by lifting 2 persons, or after 2 folding wheels 11 at the lower end of the stretcher are unfolded, one end of each folding wheel 11 is prevented from being on the ground, and only 1 person for transferring is allowed to lift the front end of the stretcher and then the stretcher is dragged to advance. When the horizontal channel meets the cabin door, two people are required to lift the stretcher over the threshold, and then one end of the stretcher wheel is placed on the ground to continue dragging.

2. Inclined ladder passage implementation

As shown in fig. 3, the wounded person is transported on the ramp as follows:

(1) The power lifting device 12 and the right-angle rope collecting pulley 16 are firstly carried by 1 transport person to slide to the stair corner, the permanent magnetic chuck 13 of the power lifting device 12 is aligned to the opposite bulkhead of the center of the inclined ladder with a certain height, the magnetic chuck switch is turned on, the power lifting device 12 is fixed on the wall of the ladder, and then the right-angle rope collecting pulley 16 is fixed in the middle of the highest-level ladder.

(2) The clutch switch of the electric winch 14 is turned on, the hook of the steel cable 17 is pulled out, and the rope 17 is lengthened to the stretcher below the inclined ladder after passing through the ladder right-angle rope collecting pulley 16.

(3) After the position of the stretcher is adjusted to the middle of the inclined ladder, a front transfer personnel lifts the stretcher, opens the inclined ladder crawler wheel 10 to switch, places the inclined ladder crawler wheel 10 on an inclined ladder step, and folds the folding wheel 11 at the rear end of the stretcher to the middle to the stretcher main body 1.

(4) The clutch switch of the electric winch 14 is closed, the power supply of the electric winch 14 is turned on, the winch retracting button is pressed, the electric winch 14 starts to pull the stretcher to advance to the upper side of the inclined ladder, and a front transfer person is responsible for controlling the direction of the stretcher until the stretcher reaches the corner of the inclined ladder, and the transfer person stably places the stretcher on a corner platform.

(5) And repeating the subsequent inclined ladder scene according to the operation.

3. Vertical ladder implementation

As shown in fig. 4, the wounded person is transported on the vertical ladder as follows:

(1) After 1 transfer personnel carry the power lifting device 12 and the hatch roller 18 to go up to the deck layer above the vertical ladder, the power lifting device 12 is fixed on the opposite bulkhead of the hatch cover, the steel cable 17 is pulled to the hatch after the clutch switch of the electric winch 14 is opened, the hatch roller 18 is mounted on the hatch, and the steel cable 17 is lowered to the lower deck through the hatch roller 18.

(2) After lifting the front end of the stretcher, the lower deck transfer personnel fix the steel cable 17 to the hook 19 at the back of the stretcher, and fix the cable.

(3) The electric winch clutch is closed by a transfer person above the vertical ladder, the power supply is turned on, the cable collecting button is slowly turned on under the instruction of a shipping person below, the front end of the stretcher is slowly lifted, the rear end of the stretcher is supported by the folding wheels 11 until the stretcher is completely erected, the direction of the stretcher is controlled by the person below to prevent swinging, the stretcher continues to rise, and after the stretcher is completely separated from the ground, the folding wheels 11 at the rear end of the stretcher are folded by the person below.

(4) When the upper end of the stretcher reaches the hatch position, the upper person pulls the stretcher to bypass the roller until the hook 19 at the back of the stretcher reaches the hatch position quickly, the electric winch is closed, the upper person presses the stretcher downwards, the front part of the stretcher is pressed into an inclined state, the electric winch 14 is opened after that, and the stretcher continues to ascend obliquely under the traction of the electric winch until the whole stretcher appears outside the hatch.

(5) After the stretcher is completely moved out of the hatch through the hatch rollers 18, the upper deck transfer personnel lifts the stretcher, opens the rear folding wheels 11, stably places the stretcher on the deck, removes the traction steel cable 17 at the bottom of the stretcher, stores the steel cable into the electric winch 14, and opens the permanent magnet magnetic chuck 13 to remove the power lifting device. After the personnel below the vertical ladder reach the upper deck, the wounded person is transported.

(6) When a wounded needs to be adjusted to be completely lying for transferring a vertical ladder by sitting postures, the stretcher is firstly put on a channel, then the wounded is pulled upwards to the top end of the movable folding cushion 3, the folding cushion 3 is moved to the uppermost end to be fixed, the wounded is adjusted to be capable of sitting on the cushion, and the waist, the legs, the chest and the head of the wounded are fixed through the safety belt, so that the wounded is prevented from shaking or falling to be injured in the transferring process.

The foregoing is merely illustrative embodiments of the present invention, and the present invention is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a full scene wounded person transfer device for boats and ships which characterized in that: the stretcher comprises a stretcher main body, inclined ladder crawler wheels, a power pulling device and a matched component, wherein the matched component comprises right-angle rope collecting pulleys and hatch rollers; the stretcher main body comprises a stretcher frame, stretcher cloth arranged on the stretcher frame, a folding cushion, folding pedals and a safety binding belt, wherein the two ends of the stretcher frame are respectively provided with handrails, and the two sides of the stretcher frame are provided with side folding handrails; the inclined ladder crawler wheel is arranged below the stretcher main body in a folding way, and the power pulling device is used for pulling the stretcher main body upwards through connection of a steel rope and the stretcher main body; the inclined ladder crawler wheel is placed on the inclined ladder when being transported on the inclined ladder, the right-angle rope collecting pulley is used for placing the inclined ladder on the corner of the uppermost stage of stairs when the power pulling device pulls the stretcher main body on the inclined ladder, and the hatch roller is used for being fixed in the hatch when the vertical ladder is transported so as to support the steel rope.

2. The marine full scene wounded person transfer device as claimed in claim 1, wherein: the stretcher body is of a three-section type foldable structure, and comprises an upper section stretcher, a middle section stretcher and a lower section stretcher, wherein the upper section stretcher and the lower section stretcher can be folded towards the middle section stretcher.

3. The marine full scene wounded person transfer device as claimed in claim 2, wherein: two sides of the middle stretcher are provided with two side folding armrests which can be folded downwards and are used for pulling the stretcher upwards by personnel when the stretcher is used on stairs; the lower part of the middle stretcher is provided with a folding cushion capable of moving up and down, and the front part of the handrail of the lower stretcher is provided with two folding wheels capable of folding inwards.

4. A full scene wounded person transfer device for a ship as claimed in claim 3, wherein: the folding cushion can move along the stretcher direction, and the movable area of the folding cushion is 50cm-80cm based on the lower end point of the stretcher.

5. The marine full scene wounded person transfer device as claimed in claim 2, wherein: the inclined ladder crawler wheel is folded below the stretcher at the lower section.

6. A marine full scene wounded person transfer device as claimed in claim 1 or 5, wherein: the inclined ladder crawler wheel consists of a crawler belt and a crawler belt wheel, wherein a lowering and retracting switch of the crawler belt wheel is of a shifting piece structure, and in the use process, the lowering and retracting of the crawler belt wheel is completed by using the foot shifting switch.

7. The marine full scene wounded person transfer device as claimed in claim 1, wherein: the folding seat cushion is in the shape of a bicycle seat cushion.

8. The marine full scene wounded person transfer device as claimed in claim 1, wherein: the power lifting device comprises a permanent magnet magnetic chuck, an electric winch, a battery module and a control handle, wherein the permanent magnet magnetic chuck is used for fixing the power lifting device on a steel structure bulkhead opposite to an inclined ladder at an inclined ladder corner or on a steel structure bulkhead outside a vertical ladder hatch cover, a steel cable on the electric winch is connected with a stretcher main body to lift the stretcher upwards, the battery module is used for supplying power to the electric winch, the control handle is used for controlling the starting and stopping of the electric winch, and the permanent magnet magnetic chuck is connected with the electric winch and the battery module through rotatable screws.

9. The marine full scene wounded person transfer device as claimed in claim 8, wherein: the permanent magnet magnetic chuck is composed of 2 magnetic chuck modules, and the 2 magnetic chuck modules are installed side by side and are adsorbed and separated from a fixed point through a switch handle.

10. The marine full scene wounded person transfer device as claimed in claim 1, wherein: the safety bandage comprises a leg bandage, a waist bandage and a chest bandage, wherein the leg bandage is used for fixing the legs of a wounded person in the transportation process of the inclined ladder and the vertical ladder; the waist binding belt is arranged at the folding cushion and is a triangular safety belt, one end of the waist binding belt is fixed on the folding cushion and can move up and down along with the folding cushion, and the waist binding belt is used for fixing the waist of a person on the stretcher main body; chest straps are used to secure the upper torso of a patient.