CN210114585U - Battlefield wounded personnel transfer car (buggy) - Google Patents

Abstract

The battlefield wounded personnel transfer vehicle comprises a whole-ground light off-road vehicle body, wherein a wounded personnel seat is arranged on a chassis of the whole-ground light off-road vehicle body and on the rear side of a driving seat, a double-layer frame capable of rotating vertically is arranged on one side of the chassis, which is positioned on the driving seat and the wounded personnel seat, through a double-layer frame supporting mechanism, two layers of wounded personnel carrying devices used for carrying wounded personnel can be pulled out and inserted into the double-layer frame, two groups of winch driving mechanisms used for driving the two layers of wounded personnel carrying devices to be pulled out and inserted into the double-layer frame are arranged at one end, which is positioned on the driving seat, of the double-layer frame, one side of the double-layer frame is provided with a control box used for controlling the wounded personnel seat, the double-layer frame supporting mechanism and the winch driving mechanism, and a winch opening button arranged on the control box. The utility model discloses by 1 rescue personnel drive the locomotive fast during emergency rescue, carry out the rescue transportation to injured person's side, during non-battlefield rescue, also can bear the task of transferring injured person.

Description

Battlefield wounded personnel transfer car (buggy)

Technical Field

The utility model relates to a wounded's transfer car (buggy). In particular to a battlefield wounded personnel transfer vehicle.

Background

In the remote backward-conveying work of the wounded rescuees, the problem of short-distance transportation of the wounded is not solved, the wounded is lifted and conveyed by a stretcher at present, when the wounded is transported in regions such as a battle region or an epidemic area transfer aggregation area, the transportation work of the wounded occupies more than 4 people generally, the speed is slow, and most stretchers are exposed to the fire of enemies, unforeseen accidents are easy to occur, and the optimal time for the wounded to cure is delayed seriously. Therefore, the development of an all-terrain battlefield wounded personnel transfer vehicle is urgently needed to reduce the number of the transported personnel, reduce the number of non-combat wounded personnel and improve the transfer speed of the wounded personnel.

Disclosure of Invention

The utility model aims to solve the technical problem that a battlefield wounded person transfer car (buggy) that can transport three wounded persons simultaneously under the field operations state is provided.

The utility model adopts the technical proposal that: the battlefield wounded personnel transfer vehicle comprises a whole-ground light off-road vehicle body, wherein a wounded personnel seat is arranged on a chassis of the whole-ground light off-road vehicle body and on the rear side of a driving seat, a double-layer frame capable of rotating vertically is arranged on one side of the chassis, which is positioned on the driving seat and the wounded personnel seat, through a double-layer frame supporting mechanism, two layers of wounded personnel carrying devices used for carrying wounded personnel can be pulled out and inserted into the double-layer frame, two groups of winch driving mechanisms used for driving the two layers of wounded personnel carrying devices to be pulled out and inserted into the double-layer frame are arranged at one end, which is positioned on the driving seat, of the double-layer frame, one side of the double-layer frame is provided with a control box used for controlling the wounded personnel seat, the double-layer frame supporting mechanism and the winch driving mechanism, and a winch opening button arranged on the control box.

The two ends of the rear side of the seat of the wounded chair are hinged to the chassis through a bearing seat respectively, one side of the backrest of the wounded chair is connected with one end of an electric push rod of the wounded chair, the other end of the electric push rod of the wounded chair is connected to a support arranged on the rear side of the driving seat, and the driving end of the electric push rod is connected with the control box through a wire.

The double-layer frame supporting mechanism comprises a double-layer frame bottom support fixed on the chassis and used for supporting a double-layer frame, a double-layer frame supporting rocker with one end hinged on the double-layer frame bottom support and the other end hinged on a bottom angle of the double-layer frame, and a double-layer frame electric push rod with one end hinged in the middle of the double-layer frame supporting rocker and the other end hinged on the double-layer frame bottom support and used for driving the double-layer frame to rotate vertically.

The double-layer frame bottom support comprises a rectangular frame bottom support for supporting the double-layer frame, the rectangular frame bottom support is fixedly arranged on the chassis, an electric push rod bracket is vertically arranged on one side of the long side of the rectangular frame bottom support, two ends of one side of the short side of the rectangular frame bottom support are respectively provided with a roller which is used for being in sliding connection with the bottom side of the double-layer frame, the double-layer frame supporting rocker is of an n-shaped structure, two sides of the upper end of the n-shaped structure are respectively hinged on two bottom end angles of one end of the double-layer frame positioned at the front part of the vehicle body, two ends of the open end of the n-shaped structure are respectively hinged on two side edges of the rectangular frame bottom support, the telescopic rod end of the double-layer frame electric push rod is hinged to the middle of a double-layer frame supporting rocker positioned on one side of the electric push rod support, and the main body end of the double-layer frame electric push rod is hinged to the upper end of the electric push rod support.

The double-deck frame including the double-deck main frame that has two-layer support from top to bottom, the two-layer support from top to bottom of double-deck main frame is provided with two glide slope and two glide slope that are used for sliding to push wounded's bearing device respectively, the one end that double-deck main frame is located the anterior automobile body has set gradually from top to bottom and is used for installing hoist engine actuating mechanism's upper mounting frame, well mount and lower mount, the both sides of double-deck main frame bottom be provided with respectively be used for with double-deck frame base support on gyro wheel sliding connection's slide rail.

The wounded carrying device comprises a lower sliding frame, a lower belt wheel shovel stretcher arranged on the lower sliding frame, an upper sliding frame and an upper belt wheel shovel stretcher arranged on the upper sliding frame, the lower sliding frame is connected with the two lower slideways of the double-layer frame in a sliding way through lower rollers arranged on two sides, and is fixed by a lower layer stretcher inlet cover plate hinged at the end part and a lower layer locking device arranged at the corresponding position of the double-layer frame, the upper sliding frame is connected with the two upper slideways of the double-layer frame in a sliding way through upper rollers arranged on two sides, the upper layer stretcher inlet cover plate hinged to the end part of the double-layer frame is fixed with an upper layer locking device arranged at the position corresponding to the double-layer frame, and the inner sides of the bottom of a main frame of the double-layer frame in the double-layer frame are respectively provided with a lower layer roller of the double-layer frame, which is used for being in sliding connection with a straight guide rail on a lower layer sliding frame.

The utility model discloses a stretcher with wheels, including lower floor's carriage, lower floor's band pulley shovel stretcher, upper sliding rack, lower floor's carriage, lower guide rail is provided with respectively on the both sides limit of lower floor's carriage, the both sides of lower floor's band pulley shovel stretcher are provided with respectively and to follow the rolling lower pulley of lower guide rail, be provided with the upper guide rail on the both sides limit of upper sliding rack respectively, the both sides of upper band pulley shovel stretcher are provided with respectively and to follow the rolling upper pulley of upper guide rail, upper sliding rack both sides limit still is provided with the.

The support swing arm is of an H structure, two upper ends of the H structure are respectively provided with swing arm idler wheels used for following the inclined guide rails to roll, two lower ends of the H structure are respectively hinged to two bottom ends of the rear portion of the double-layer frame, the double-layer frame corresponds to the two bottom ends, and stop blocks used for preventing the support swing arm from rotating towards the front portion of the double-layer frame are respectively arranged on the vertical edges of the two bottom ends.

The winch driving mechanism comprises an upper fixed pulley, an upper winch which is connected with and drives the upper fixed pulley, a lower fixed pulley and a lower winch which is connected with and drives the lower fixed pulley, wherein the upper winch and the lower winch are respectively fixed on and under a middle fixing frame in the front of the double-layer frame, the upper fixed pulley is fixed on an upper fixing frame in the front of the double-layer frame, the lower fixed pulley is fixed on a lower fixing frame in the front of the double-layer frame, one end of a steel wire rope is connected onto the upper fixed pulley, the other end of the steel wire rope is connected with an upper stretcher hook which is used for hooking an upper wheeled shovel stretcher, one end of the steel wire rope is connected onto the lower fixed pulley, and the other end of the steel wire rope is connected with a lower stretcher hook which is used for hooking a lower wheeled shovel stretcher.

The utility model discloses a battlefield wounded's transfer car (buggy), the setting is on 4 x 4 ultra-light all terrain vehicle chassis to improve the cross-country ability of complicated topography, carry on 2 pairs on the transfer car (buggy) and can rise flexible litter that slides down, be used for rescuing the wounded personnel, can be operated or 1 accompanying rescue personnel as the driver by 1 people, 3 battlefield wounded can be transported to the single, show improvement battlefield wounded's treatment and cure efficiency. The utility model discloses by 1 rescue personnel drive the locomotive fast during emergency rescue, carry out the rescue transportation to injured person's side, during non-battlefield rescue, also can bear the task of transferring injured person.

Drawings

FIG. 1 is a schematic view of the overall structure of a battlefield wounded personnel transfer vehicle;

FIG. 2 is a schematic structural view of the chair for the wounded in the utility model;

FIG. 3a is a schematic structural view of the bottom bracket of the double-layer rack and the double-layer rack of the present invention in an operating state;

FIG. 3b is a schematic structural view of the double-layered shelf and the double-layered shelf base in the retracted state;

FIG. 4 is a schematic structural view of a middle double-layer frame bottom bracket of the present invention;

FIG. 5 is a schematic structural view of a support rocker of the double-layer rack of the present invention;

FIG. 6 is a schematic structural view of a middle double-layer rack of the present invention;

FIG. 7 is a schematic structural view of the present invention in which the carrying device is installed in a double-layered shelf;

FIG. 8 is a schematic view of the lower carriage of the present invention;

fig. 9 is a schematic structural view of the shovel stretcher with wheels of the middle and lower layers;

FIG. 10 is a schematic view of the middle and upper sliding frames according to the present invention;

fig. 11 is a schematic structural view of the shovel stretcher with pulleys at the middle and upper layers of the utility model;

fig. 12 is a schematic structural view of the support swing arm of the present invention;

fig. 13 is a schematic structural diagram of the middle cover plate of the present invention.

In the drawings

1: double-layer rack 1-1: upper layer stretcher inlet cover plate

1-2: upper sliding frame 1-21: upper roller

1-22: upper guide rails 1 to 23: inclined guide rail

1-3: the block 1-4: support swing arm

1-41: 1-5 of swing arm roller: locking device

1-6: slide rail 1-7: inlet cover plate of lower layer stretcher

1-8: lower deck carriage 1-81: lower roller

1-82: lower guide rails 1-83: straight guide rail

1-9: lower layer belt wheel shovel stretcher 1-91: lower pulley

1-10: double-layer main frame 1-101: lower slideway

1-102: upper slide way 1-103: upper fixing frame

1-104: middle fixed frame 1-105: lower fixing frame

1-106: double-layer frame lower layer roller 1-11: lower layer stretcher hook

1-12: 1-13 of lower fixed pulley: lower layer hoist

1-14: 1-15 of upper layer winch: upper layer stretcher hook

1-16: upper-layer fixed pulleys 1 to 17: upper layer locking device

1-18: 1-181 of the upper layer pulley shovel stretcher: upper pulley

2: wounded chair 3: electric push rod of wounded chair

5: double-layer frame electric push rod 6: winch opening button

7: double-layer rack bottom support 7-1: rectangular frame bottom support

7-2: electric push rod support 7-3: roller wheel

8: the control box 9: double-layer frame supporting rocker

10: the chassis 11: bearing seat

12: support frame

Detailed Description

The following detailed description of a battlefield wounded personnel transfer vehicle according to the present invention is made with reference to the following embodiments and accompanying drawings.

As shown in figure 1, the utility model relates to a battlefield wounded personnel transfer vehicle, which comprises a whole-terrain light off-road vehicle body, the wounded chair 2 is arranged on the chassis 10 of the all-terrain light off-road vehicle body and at the rear side of the driving seat, a double-layer frame 1 capable of vertically rotating is arranged on one side of the chassis 10 positioned on the driver seat and the wounded seat 2 through a double-layer frame supporting mechanism, the double-layer frame 1 can be pulled out and inserted with two layers of wounded person carrying devices for carrying wounded persons, one end of the double-layer frame 1, which is positioned at the driving seat, is provided with two groups of winch driving mechanisms which are respectively used for driving the two layers of wounded person bearing devices to be pulled out and inserted into the double-layer frame 1, one side of the double-layer frame 1 is provided with a control box 8 for controlling the wounded chair 2, the double-layer frame supporting mechanism and the winch driving mechanism, and a winch opening button 6 arranged on the control box 8.

As shown in fig. 2, two ends of the rear side of the seat of the wounded chair 2 are respectively hinged on the chassis 10 through a bearing seat 11, one side of the backrest of the wounded chair 2 is connected with one end of an electric push rod 3 of the wounded chair, the other end of the electric push rod 3 of the wounded chair is connected on a bracket 12 arranged at the rear side of the driving seat, and the driving end of the electric push rod 3 is connected with the control unit 8 through a wire.

As shown in fig. 3a and 3b, the double-layer frame supporting mechanism includes a double-layer frame bottom support 7 fixed on the chassis 10 for supporting the double-layer frame 1, a double-layer frame supporting rocker 9 having one end hinged on the double-layer frame bottom support 7 and the other end hinged on the bottom end angle of the double-layer frame 1, and a double-layer frame electric push rod 5 having one end hinged on the middle of the double-layer frame supporting rocker 9 and the other end hinged on the double-layer frame bottom support 7 for driving the double-layer frame 1 to vertically rotate.

When the double-layer frame electric push rod 5 does contraction movement, the double-layer frame supporting rocker 9 is pulled up, so that the double-layer frame 1 is driven to rise and then simultaneously move backwards, and the distance between the double-layer frame 1 and the ground is shortened.

As shown in fig. 4 and 5, the double-layer frame bottom bracket 7 includes a rectangular frame bottom bracket 7-1 for supporting the double-layer frame 1, the rectangular frame bottom bracket 7-1 is fixedly disposed on the chassis 10, an electric push rod support 7-2 is vertically disposed on one edge of the long edge of the rectangular frame bottom bracket 7-1, two ends of one edge of the short edge of the rectangular frame bottom bracket 7-1 are respectively provided with a roller 7-3 for slidably connecting with the bottom edge of the double-layer frame 1, the double-layer frame support rocker 9 is of an n-shaped structure, two sides of the upper end of the n-shaped structure are respectively hinged to two bottom corners of one end of the double-layer frame 1 located at the front portion of the vehicle body, two ends of the open end of the n-shaped structure are respectively hinged to two side edges of the rectangular frame bottom bracket 7-1, and the telescopic rod end of the double-layer frame electric push rod 5 is hinged to the middle of the double-layer frame support rocker 9 located at one The main body end of the double-layer frame electric push rod 5 is hinged to the upper end of the electric push rod support 7-2.

As shown in fig. 6 and 7, the double-layer frame 1 includes a double-layer main frame 1-10 having an upper layer of support and a lower layer of support, the upper layer of support and the lower layer of support of the double-layer main frame 1-10 are respectively provided with two lower slideways 1-101 and two upper slideways 1-102 for sliding pushing the wounded person carrying device, one end of the double-layer main frame 1-10 located at the front part of the car body is sequentially provided with an upper fixing frame 1-103, a middle fixing frame 1-104 and a lower fixing frame 1-105 for mounting a winch driving mechanism, and two sides of the bottom of the double-layer main frame 1-10 are respectively provided with a slide rail 1-6 for sliding connection with a roller 7-3 on the double-.

As shown in fig. 8, 9, 10, 12 and 13, the wounded load-bearing device comprises a lower sliding rack 1-8 and a lower wheeled shovel stretcher 1-9 arranged on the lower sliding rack 1-8, an upper sliding rack 1-2 and an upper wheeled shovel stretcher 1-18 arranged on the upper sliding rack 1-2, wherein the lower sliding rack 1-8 is connected to two lower slideways 1-101 of the double-layer rack 1 in a sliding manner through lower rollers 1-81 arranged on two sides, the lower sliding rack 1-8 is connected to two lower rollers of the double-layer rack 1-10 in a sliding manner through straight guide rails 1-83 arranged on two sides and is fixed through a lower stretcher inlet cover plate 1-7 hinged at the end part and a lower locking device 1-5 arranged at the corresponding position of the double-layer rack 1, the upper sliding rack 1-2 is connected to two upper slideways 1-102 of the double-layer rack 1 in a sliding way through upper rollers 1-21 arranged on two sides and is fixed through an upper stretcher inlet cover plate 1-1 hinged at the end part and an upper locking device 1-17 arranged at the corresponding position of the double-layer rack 1. The inner sides of the bottoms of the double-layer frame main frames 1-10 in the double-layer frame 1 are respectively provided with double-layer frame lower-layer rollers 1-106 which are used for being in sliding connection with straight guide rails 1-83 on the lower-layer sliding frames 1-8.

The two sides of the lower sliding frame 1-8 are respectively provided with a lower guide rail 1-82, the two sides of the lower belt wheel shovel stretcher 1-9 are respectively provided with a lower pulley 1-91 capable of rolling along the lower guide rail 1-82, the two sides of the upper sliding frame 1-2 are respectively provided with an upper guide rail 1-22, the two sides of the upper belt wheel shovel stretcher 1-18 are respectively provided with an upper pulley 1-181 capable of rolling along the upper guide rail 1-22, and the two sides of the upper sliding frame 1-2 are also provided with inclined guide rails 1-23 for slidably connecting and controlling the supporting swing arms 1-4 of the extending gradient of the upper sliding frame 1-2.

The lower pulleys 1-91 on the two side edges of the lower layer pulley shovel stretcher 1-9 and the upper pulleys 1-181 on the two side edges of the upper layer pulley shovel stretcher 1-18 can also realize the movement of the lower layer pulley shovel stretcher 1-9 and the upper layer pulley shovel stretcher 1-18 on the ground.

As shown in fig. 12, the supporting swing arm 1-4 is an H-structure, two upper ends of the H-structure are respectively provided with swing arm rollers 1-41 for rolling along the inclined guide rails 1-23, two lower ends of the H-structure are respectively hinged to two bottom ends of the double-layer rack 1 at the rear portion, and vertical edges of the double-layer rack 1 corresponding to the two bottom ends are respectively provided with stoppers 1-3 for preventing the supporting swing arm 1-4 from rotating to the front portion of the double-layer rack 1.

As shown in fig. 7, the winch driving mechanism comprises upper fixed pulleys 1-16, upper winches 1-14 connected with and driving the upper fixed pulleys 1-16, lower fixed pulleys 1-12, and lower winches 1-13 connected with and driving the lower fixed pulleys 1-12, wherein the upper winches 1-14 and the lower winches 1-13 are respectively fixed on and under middle fixed frames 1-104 at the front part of the double-layer frame 1, the upper fixed pulleys 1-16 are fixed on upper fixed frames 1-103 at the front part of the double-layer frame 1, the lower fixed pulleys 1-12 are fixed on lower fixed frames 1-105 at the front part of the double-layer frame 1, the upper fixed pulleys 1-16 are connected with one end of a steel wire rope, the other end of the steel wire rope is connected with upper layer stretcher hooks 1-15 for hooking upper wheeled shovel stretchers 1-18, realizing the movement of the upper layer pulley shovel stretcher 1-18. One end of a steel wire rope is connected to the lower fixed pulley 1-12, and the other end of the steel wire rope is connected with a lower layer stretcher hook 1-11 used for hooking the lower layer belt wheel shovel stretcher 1-9, so that the movement of the lower layer belt wheel shovel stretcher 1-9 is realized.

The utility model discloses a battlefield wounded person transfer car (buggy), the theory of operation as follows: after the battlefield wounded personnel transfer vehicle arrives at a designated place, firstly unlocking the locking devices 1-5 of the lower layer wheeled shovel stretchers 1-9 and the upper locking devices 1-17 of the upper layer wheeled shovel stretchers 1-18, then operating the control box 8 to lift the double-layer frame 1 to a designated height, operating the winch starting button 6 to enable the lower layer windlasses 1-13 to operate and release the steel wire rope, wherein one end of the steel wire rope is connected with the hooks 1-11 of the lower layer stretchers, the hooks are hung at one ends of the lower layer wheeled shovel stretchers 1-9, when the steel wire rope is released, the lower layer wheeled shovel stretchers 1-9 and the lower layer sliding frames 1-8 slide downwards under the action of gravity, under the continuous operation of the lower layer windlasses 1-13, the lower layer sliding frames 1-8 touch the ground firstly, and at the moment, the lower, the lower layer windlass 1-13 continuously releases the steel wire rope, at the moment, the lower layer wheeled shovel stretcher 1-9 continuously moves downwards until the lower layer wheeled shovel stretcher 1-9 is completely laid on the ground, at the moment, the lower layer stretcher windlass 1-13 stops running, and the lower layer wheeled shovel stretcher 1-9 is completely released; at the moment, the wounded person can be placed on the lower layer belt wheel shovel type stretcher 1-9, after the wounded person is fixed, the winch starting button 6 is controlled, the lower layer winch 1-13 retracts the steel wire rope, the lower layer belt wheel shovel type stretcher 1-9 is further upwards pulled, after the lower layer belt wheel shovel type stretcher 1-9 with the wounded person completely enters the lower layer sliding frame 1-8, under the continuous action of the steel wire rope, the lower layer belt wheel shovel type stretcher 1-9 can bring the lower layer sliding frame 1-8 into the double-layer frame 1 together, the lower layer wounded person entering of the double-layer frame 1 is completed, and at the moment, the lower layer belt wheel shovel type stretcher 1-9 is locked with the locking device 1-5 through the lower layer stretcher inlet cover plate 1-7.

After the lower layer of the double-layer frame 1 finishes loading the wounded, a winch starting button 6 is controlled to enable an upper layer winch 1-14 to release a steel wire rope, one end of the steel wire rope is connected to an upper layer stretcher hook 1-15, the upper layer stretcher hook 1-15 is connected to one end of an upper layer wheeled shovel stretcher 1-18, when the steel wire rope is released, the upper layer wheeled shovel stretcher 1-18 and an upper layer sliding frame 1-2 slide downwards under the action of gravity, meanwhile, a supporting swing arm 1-4 rotates downwards under the action of the gravity of the upper layer wheeled shovel stretcher 1-18 and the upper layer sliding frame 1-2, and as the upper layer winch 1-14 continues to release the steel wire rope, the upper layer sliding frame 1-2 firstly touches the ground, at the moment, the upper layer sliding frame 1-2 stops moving, the upper layer wheeled shovel stretcher 1-18 continues to slide downwards, and the upper layer of the shovel-type stretcher 1-18 is put on the ground completely, and the lowering work of the shovel-type stretcher 1-18 with wheels is finished. At the moment, a second wounded person can be placed on the upper layer of the belt wheel shovel type stretcher 1-18, the wounded person is fixed completely, the winch is operated to start the button 6, the upper layer of the belt wheel shovel type stretcher 1-18 and the wounded person slowly ascend to enter the upper layer of the sliding frame 1-2 under the action of the steel wire rope traction, after the wounded person completely enters the upper layer of the sliding frame 1-2, the upper layer of the belt wheel shovel type stretcher 1-18 can bring the upper layer of the belt wheel shovel type stretcher 1-2 into the double-layer frame 1 together under the continuous action of the steel wire rope, and at the moment, the upper layer of the belt wheel shovel type stretcher 1-18 is locked through the upper layer of the stretcher inlet cover plate 1-1 and the locking device. At the moment, the control box 8 is operated to enable the double-layer frame electric push rod 5 to do stretching movement, the double-layer frame supporting rocker 9 is driven to do rotating movement, the double-layer frame 1 is further driven to descend and return to the original position, after the movement is completed, the upper-layer locking devices 1-17 are locked, and the double-layer frame 1 completes the loading of two wounded persons.

Claims (9)

1. A battlefield wounded personnel transfer vehicle comprises a whole-ground type light off-road vehicle body, and is characterized in that a wounded chair (2) is arranged on a chassis (10) of the whole-ground type light off-road vehicle body and behind a driving seat, one side of the chassis (10) positioned on the driving seat and the wounded chair (2) is provided with a double-layer frame (1) capable of rotating vertically through a double-layer frame supporting mechanism, the double-layer frame (1) is provided with two layers of wounded carrying devices capable of being pulled out and inserted for carrying wounded, one end of the double-layer frame (1) positioned on the driving seat is provided with two groups of winch driving mechanisms respectively used for driving the two layers of wounded carrying devices to be pulled out and inserted into the double-layer frame (1), one side of the double-layer frame (1) is provided with a control box (8) used for controlling the wounded chair (2), the double-layer frame supporting mechanism and the winch driving mechanism, and a winch opening button (6) arranged on the control box (8).

2. The battlefield wounded transfer vehicle according to claim 1, wherein both ends of the rear side of the seat of the wounded chair (2) are hinged on the chassis (10) through a bearing seat (11), one side of the backrest of the wounded chair (2) is connected with one end of a wounded chair electric push rod (3), the other end of the wounded chair electric push rod (3) is connected on a bracket (12) arranged at the rear side of the driving seat, and the driving end of the electric push rod (3) is connected with the control box (8) through a wire.

3. The battlefield wounded personnel transfer trolley according to claim 1, wherein the double-layer frame supporting mechanism comprises a double-layer frame bottom support (7) fixed on the chassis (10) and used for supporting the double-layer frame (1), a double-layer frame supporting rocker (9) with one end hinged on the double-layer frame bottom support (7) and the other end hinged on the bottom corner of the double-layer frame (1), and a double-layer frame electric push rod (5) with one end hinged in the middle of the double-layer frame supporting rocker (9) and the other end hinged on the double-layer frame bottom support (7) and used for driving the double-layer frame (1) to vertically rotate.

4. The battlefield wounded personnel transfer trolley according to claim 3, wherein the double-layer rack bottom support (7) comprises a rectangular frame bottom support (7-1) for supporting the double-layer rack (1), the rectangular frame bottom support (7-1) is fixedly arranged on the chassis (10), one edge of the long edge of the rectangular frame bottom support (7-1) is vertically provided with an electric push rod support (7-2), two ends of one edge of the short edge of the rectangular frame bottom support (7-1) are respectively provided with a roller (7-3) for being in sliding connection with the bottom edge of the double-layer rack (1), the double-layer rack support rocker (9) is of a pi-shaped structure, two sides of the upper end of the pi-shaped structure are respectively hinged on two bottom end corners of one end of the double-layer rack (1) at the front part of the trolley body, two ends of the open end of the pi-shaped structure are respectively hinged on two side edges of the rectangular frame bottom support (7-1), the telescopic rod end of the double-layer frame electric push rod (5) is hinged to the middle of a double-layer frame supporting rocker (9) located on one side of the electric push rod support (7-2), and the main body end of the double-layer frame electric push rod (5) is hinged to the upper end of the electric push rod support (7-2).

5. A battlefield wounded transfer car (buggy) according to claim 1, wherein said double layer frame (1) comprises a double layer main frame (1-10) with upper and lower layer of support, the upper layer bracket and the lower layer bracket of the double-layer main frame (1-10) are respectively provided with two lower slideways (1-101) and two upper slideways (1-102) which are used for sliding and pushing the wounded carrying device, one end of the double-layer main frame (1-10) positioned at the front part of the car body is sequentially provided with an upper fixing frame (1-103), a middle fixing frame (1-104) and a lower fixing frame (1-105) for installing a winch driving mechanism from top to bottom, two sides of the bottom of the double-layer main frame (1-10) are respectively provided with a sliding rail (1-6) which is used for being in sliding connection with a roller (7-3) on the double-layer frame bottom support (7).

6. A battlefield wounded personnel transfer vehicle according to claim 1, wherein said wounded personnel carrying means comprises a lower carriage (1-8) and a lower wheeled shovel stretcher (1-9) arranged on said lower carriage (1-8), an upper carriage (1-2) and an upper wheeled shovel stretcher (1-18) arranged on said upper carriage (1-2), said lower carriage (1-8) is slidably connected to two lower runners (1-101) of the double layer frame (1) by means of lower rollers (1-81) arranged on both sides and fixed by means of lower stretcher entry covers (1-7) hinged at the ends and lower locking means (1-5) arranged at the corresponding positions of the double layer frame (1), said upper carriage (1-2) is slidably connected by means of upper rollers (1-21) arranged on both sides On two upper slideways (1-102) of the double-layer frame (1), the upper-layer stretcher inlet cover plate (1-1) hinged at the end part and the upper-layer locking device (1-17) arranged at the corresponding position of the double-layer frame (1) are fixed, and the inner sides of the bottoms of double-layer main frames (1-10) in the double-layer frame (1) are respectively provided with double-layer frame lower-layer rollers (1-106) which are used for being in sliding connection with straight guide rails (1-83) on a lower-layer sliding frame (1-8).

7. The battlefield wounded transfer car (buggy) according to claim 6, wherein lower guide rails (1-82) are respectively provided on both sides of said lower sliding rack (1-8), two sides of the lower layer shovel stretcher with wheels (1-9) are respectively provided with a lower pulley (1-91) which can roll along the lower guide rail (1-82), the two side edges of the upper sliding rack (1-2) are respectively provided with an upper guide rail (1-22), two sides of the upper layer pulley shovel stretcher (1-18) are respectively provided with an upper pulley (1-181) capable of rolling along the upper guide rail (1-22), and inclined guide rails (1-23) which are used for being connected with and controlling the extending inclination of the upper sliding frame (1-2) in a sliding manner and support the swing arms (1-4) are further arranged on the two side edges of the upper sliding frame (1-2).

8. The battlefield wounded personnel transfer vehicle as claimed in claim 7, wherein said supporting swing arm (1-4) is of H structure, two upper ends of said H structure are respectively provided with swing arm rollers (1-41) for rolling along said inclined guide rails (1-23), two lower ends of said H structure are respectively hinged on two bottom ends of said double-layer rack (1) at the rear, and vertical edges of said double-layer rack (1) corresponding to said two bottom ends are respectively provided with stoppers (1-3) for preventing said supporting swing arm (1-4) from rotating towards the front of the double-layer rack (1).

9. The battlefield wounded personnel transfer vehicle as claimed in claim 1, wherein said winch driving mechanism comprises an upper fixed pulley (1-16), an upper winch (1-14) connected with and driving the upper fixed pulley (1-16), a lower fixed pulley (1-12), and a lower winch (1-13) connected with and driving the lower fixed pulley (1-12), wherein said upper winch (1-14) and said lower winch (1-13) are fixed on the upper and lower surfaces of the middle fixed frame (1-104) in front of the double layer frame (1), said upper fixed pulley (1-16) is fixed on the upper fixed frame (1-103) in front of the double layer frame (1), said lower fixed pulley (1-12) is fixed on the lower fixed frame (1-105) in front of the double layer frame (1), the stretcher is characterized in that one end of a steel wire rope is connected to the upper layer fixed pulleys (1-16), the other end of the steel wire rope is connected with upper layer stretcher hooks (1-15) used for hooking the upper layer belt wheel shovel stretchers (1-18), one end of the steel wire rope is connected to the lower layer fixed pulleys (1-12), and the other end of the steel wire rope is connected with lower layer stretcher hooks (1-11) used for hooking the lower layer belt wheel shovel stretchers (1-9).

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