Vehicle wounded transfer bed

Abstract

The invention relates to the technical field of patient transportation equipment, in particular to a vehicle wounded person transfer bed which comprises a bed board, a walking frame arranged below the bed board and a fixing assembly arranged on the bed board and used for fixing a wounded person, and an adjusting mechanism used for enabling the bed board to incline in the length direction of the bed board is arranged on the walking frame. When the transfer bed passes through a narrow curve, the inclination angle of the bed board is changed through the adjusting mechanism so as to reduce the projection area of the transfer bed in the vertical direction, and the trafficability of the transfer bed at the narrow curve is improved. According to the vehicle wounded person transfer bed, when the vehicle wounded person transfer bed passes through a narrow curve at the compartment connecting position, the bed board can be inclined by a certain angle so as to reduce the projection area of the transfer bed in the vertical direction, and the passing ability of the transfer bed is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a vehicle-mounted casualty transfer bed. Background Art

[0002] An ordinary medical vehicle is a vehicle specially used for medical treatment and rescue. Some medical vehicles are composed of multiple carriages connected together, usually including a command carriage, a medical technology support carriage, a medical care carriage, an intensive care carriage, an operating carriage, a generator set carriage, and a life support and disposal carriage, etc. It is mainly used to transport casualties and provide medical treatment during major disasters. It can transfer casualties from the disaster area to the rear hospital. Medical equipment and personnel are equipped on the ordinary medical vehicle, and emergency treatment and care can be carried out on the vehicle. It also has isolation facilities to prevent the spread of infectious diseases, transport medical supplies and equipment, and support rescue work. Existing ordinary medical vehicles are usually modified from existing passenger vehicles. The layout of seats, accessories, etc. in the carriage can be removed and changed, but the original body structure remains unchanged. For example, the passage connecting the boarding passage and the carriage or the passage at the connection of adjacent carriages is usually a narrow curve. It is relatively difficult to transfer casualties into the carriage or between carriages using an existing ordinary transfer bed. Therefore, it is necessary to design a vehicle-mounted casualty transfer bed to facilitate the transfer of casualties on an ordinary medical vehicle with narrow curves. Summary of the Invention

[0003] The purpose of the present invention is to provide a vehicle-mounted casualty transfer bed to solve the problem that it is relatively difficult to transfer casualties on a medical vehicle using an existing transfer bed due to the narrow curves on the existing medical vehicle.

[0004] To achieve the above object, the basic scheme of the present invention is as follows:

[0005] A vehicle-mounted casualty transfer bed includes a bed board, a walking frame arranged under the bed board, a fixing component arranged on the bed board for fixing the casualty, and an adjusting mechanism arranged on the walking frame for tilting the bed board along the length direction of the bed board. When the transfer bed passes through a narrow curve, the inclination angle of the bed board is changed through the adjusting mechanism to reduce the projected area of the transfer bed in the vertical direction and improve the passing performance of the transfer bed at the narrow curve.

[0006] Further, the walking frame includes longitudinal beams arranged in parallel along the length direction of the bed board, a plurality of cross beams each fixedly connected to one of the longitudinal beams at both ends, a front wheel set slidably connected to the tail end of the longitudinal beam, and a rear wheel set slidably connected to the head end of the longitudinal beam.

[0007] Further, the adjusting mechanism includes a support rod fixedly connected to the cross beam, a front telescopic rod disposed on one side of the tail end of the support rod close to the bed board, and a rear telescopic rod disposed on one side of the head end of the support rod close to the bed board. The support rod is vertically disposed below the middle of the bed board, the lower end of the support rod is fixedly connected to the cross beam, and the upper end of the support rod is rotatably connected to the bed board. The rotating shaft of the support rod rotatably connected to the bed board is horizontally disposed along the width direction of the bed board. The lower end of the front telescopic rod is hinged to the support rod, the upper end of the front telescopic rod is inclined towards the tail end direction of the bed board and is hinged to the bed board, the lower end of the rear telescopic rod is hinged to the support rod, and the upper end of the rear telescopic rod is inclined towards the head end direction of the bed board and is hinged to the bed board.

[0008] Further, the support rod includes a lower tube with an open upper end and an upper tube slidably connected to the lower tube. Both the upper tube and the lower tube are rectangular tubes. The upper end of the upper tube is rotatably connected to the bed board. The rotating shaft of the upper tube rotatably connected to the bed board is horizontally disposed along the width direction of the bed board. The lower end of the upper tube extends into the inner cavity of the lower tube and is slidably connected to the lower tube. The lower end of the lower tube is fixedly connected to the cross beam.

[0009] The upper tube can only slide within the lower tube and cannot rotate relative to the lower tube, preventing the bed board from rotating in the horizontal direction.

[0010] Further, the adjusting mechanism further includes a control rod disposed at the tail end of the bed board in cooperation with the front wheel set. When the bed board is tilted, the control rod drives the front wheel set and the rear wheel set to slide towards the support rod.

[0011] When the bed board is in a horizontal setting state, the distance between the front wheel set and the rear wheel set is relatively long, which is beneficial to the rapid movement of the bed board. When the bed board needs to be tilted when located in a narrow curve, the distance between the front wheel set and the rear wheel set is correspondingly shortened and located within the projected area of the bed board, improving the passing performance of the transfer bed.

[0012] Further, the control rod includes an outer tube fixedly connected to the bed board at the upper end and an inner rod slidably connected to the outer tube. The lower end of the outer tube is open. The upper end of the inner rod is located within the inner cavity of the outer tube and is slidably connected to the outer tube. The lower end of the inner rod is hinged to the front wheel set.

[0013] Furthermore, the longitudinal beam is a tubular body with openings at both ends. The front wheel set includes a front sliding rod slidably connected to the inner cavity of the longitudinal beam and front rollers arranged on the front sliding rod. The front rollers are arranged at the outer ends of the front sliding rod, and the inner end of the front sliding rod extends into the longitudinal beam and is slidably connected to the inner cavity of the longitudinal beam. The lower end of the inner rod is hinged to the outer end of the front sliding rod. A first rotating shaft is vertically and fixedly connected to the inner cavity in the middle of the longitudinal beam. A first gear is rotatably arranged coaxially on the first rotating shaft. A front rack meshing with the first gear is fixedly connected to the inner end of the front sliding rod. The rear wheel set includes a rear sliding rod slidably connected to the inner cavity of the longitudinal beam and rear rollers arranged on the rear sliding rod. The rear rollers are arranged at the outer ends of the rear sliding rod, and the inner end of the rear sliding rod extends into the longitudinal beam and is slidably connected to the inner cavity of the longitudinal beam. A rear rack, which is arranged opposite to the front rack and meshes with the first gear, is fixedly connected to the inner end of the rear sliding rod.

[0014] When the front telescopic rod and the rear telescopic rod are controlled to expand and contract so that the bed board is in a state of tilting downward at a certain angle at the tail end, the projected area of the bed board in the vertical direction decreases, and the space occupied in the length direction of the curved path decreases, improving the passing performance of the transfer bed at the curved path. When the bed board gradually tilts, the lower end of the outer cylinder gradually moves towards the direction close to the support rod, the inner rod gradually retracts into the outer cylinder and pushes the front sliding rod to slide towards the direction close to the support rod and retract into the longitudinal beam, and drives the first gear to rotate through the front rack. The rotating first gear drives the rear sliding rod to retract into the longitudinal beam, thereby shortening the distance between the front rollers and the rear rollers.

[0015] Furthermore, both the front rollers and the rear rollers are universal wheels.

[0016] Furthermore, both the front telescopic rod and the rear telescopic rod are electric telescopic rods. A power source and a controller for controlling the expansion and contraction of the front telescopic rod and the rear telescopic rod are arranged on the bed board.

[0017] Furthermore, the fixing assembly includes a hip fixing belt fixedly connected to the bed board for preventing the wounded from sliding towards the tail end of the bed board and a flexible binding belt for fixing the chest and abdomen of the wounded.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] 1. By tilting the bed board at a certain angle, the projected area of the transfer bed in the vertical direction decreases, and the space occupied in the length direction of the curved path decreases, improving the passing performance of the transfer bed at the narrow curved path in the carriage.

[0020] 2. In this solution, when the bed board is in a horizontal setting state, the distance between the front rollers and the rear rollers is relatively long, which is beneficial to improving the stability of the bed board during rapid movement. When the bed board needs to be tilted in a narrow bend, the distance between the front wheel set and the rear wheel set automatically shortens and is within the projected area of the bed board, further improving the passability of the transfer bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application.

[0022] In the drawings:

[0023] Figure 1 It is a schematic structural view of a vehicle-mounted casualty transfer bed of the present invention in the main view direction.

[0024] Figure 2 It is a top view of a vehicle-mounted casualty transfer bed of the present invention.

[0025] Figure 3 It is a left view of a vehicle-mounted casualty transfer bed of the present invention.

[0026] Figure 4 It is a schematic structural view of the walking frame in the top view direction.

[0027] Figure 5 It is a schematic view of the cooperation of the front sliding rod, the rear sliding rod and the first gear in the top view direction.

[0028] Figure 6 It is a schematic view of the cooperation of the front rack, the rear rack and the first gear in the left view direction.

[0029] Figure 7 It is a schematic structural view of a vehicle-mounted casualty transfer bed of the present invention when the bed board is in an inclined state.

[0030] The meanings of the reference numerals in the drawings are as follows:

[0031] Bed board - 10;

[0032] Walking frame - 20; Longitudinal beam - 201; Cross beam - 202; Front sliding rod - 2031; Front roller - 2032; Front rack - 2033; Rear sliding rod - 2041; Rear roller - 2042; Rear rack - 2043;

[0033] Hip fixing belt - 31; Flexible binding belt - 32;

[0034] Lower tube - 4011; Upper tube - 4012; Front telescopic rod - 402; Rear telescopic rod - 403; Control rod - 404; Outer cylinder - 4041; Inner rod - 4042; Rotating shaft one - 405; First gear - 406. Detailed implementation manners

[0035] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention in this specification are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

[0037] A vehicle-mounted casualty transfer bed in this embodiment, as Figures 1 - 7 shown, includes a bed board 10, a walking frame 20 arranged under the bed board 10, a fixing assembly arranged on the bed board 10 for fixing the casualty, and an adjusting mechanism arranged on the walking frame 20 for tilting the bed board 10 along the length direction of the bed board 10. When the transfer bed passes through a narrow bend, the inclination angle of the bed board 10 is changed through the adjusting mechanism to reduce the projected area of the transfer bed in the vertical direction and improve the passing performance of the transfer bed at the narrow bend.

[0038] As Figures 4 - 6 shown, the walking frame 20 includes longitudinal beams 201 arranged in parallel along the length direction of the bed board 10, a plurality of cross beams 202 each having two ends fixedly connected to one of the longitudinal beams 201, a front wheel group slidably connected to the tail end of the longitudinal beam 201, and a rear wheel group slidably connected to the head end of the longitudinal beam 201. In this solution, when the casualty lies on the bed board 10, the end of the bed board 10 close to the casualty's feet is the tail end of the bed board 10, and the end of the bed board 10 close to the casualty's head is the head end. The two longitudinal beams 201 are respectively horizontally parallel to the bed edges on both sides of the bed board 10. The two longitudinal beams 201 are both rectangular tubes with openings at both ends. A vertical rotating shaft one 405 is arranged in the inner cavity of the middle part of the longitudinal beam 201. The axis of the rotating shaft one 405 is arranged in the vertical central plane of the longitudinal beam 201 so that the distances between the rotating shaft one 405 and the inner walls on both sides of the longitudinal beam 201 are equal. The upper end of the rotating shaft one 405 is fixedly connected to the upper side wall of the longitudinal beam 201, and the lower end of the rotating shaft one 405 is fixedly connected to the lower side wall of the longitudinal beam 201. A gear one 406 is coaxially rotatably connected to the rotating shaft one 405. One end of the cross beam 202 is fixedly connected to one longitudinal beam 201, and the other end of the cross beam 202 is fixedly connected to the other longitudinal beam 201. In combination with Figure 1As shown, the front wheel set is arranged at the tail end of the longitudinal beam 201 in cooperation with the longitudinal beam 201. The front wheel set includes a front sliding rod 2031 slidably connected to the inner cavity of the longitudinal beam 201 and a front roller 2032 arranged on the front sliding rod 2031. The front sliding rod 2031 is a rectangular rod slidably matched with the inner cavity of the longitudinal beam 201. The front roller 2032 is a universal wheel. The front roller 2032 is connected to the outer end of the front sliding rod 2031 through a wheel seat. The inner end of the front sliding rod 2031 extends into the longitudinal beam 201 and is slidably connected to the inner cavity of the longitudinal beam 201. A front rack 2033 is arranged along the length direction of the longitudinal beam 201 at the inner end of the front sliding rod 2031. One end of the front rack 2033 is fixedly connected to the inner end of the front sliding rod 2031, and the other end of the front rack 2033 is a free end. The front rack 2033 meshes with the first gear 406. The rear wheel set is arranged at the head end of the longitudinal beam 201 corresponding to the longitudinal beam 201. The rear wheel set includes a rear sliding rod 2041 slidably connected to the inner cavity of the longitudinal beam 201 and a rear roller 2042 arranged on the rear sliding rod 2041. The rear sliding rod 2041 is a rectangular rod slidably matched with the inner cavity of the longitudinal beam 201. The rear roller 2042 is a universal wheel. The rear roller 2042 is connected to the outer end of the rear sliding rod 2041 through a wheel seat. The inner end of the rear sliding rod 2041 extends into the longitudinal beam 201 and is slidably connected to the inner cavity of the longitudinal beam 201. A rear rack 2043 is arranged along the length direction of the longitudinal beam 201 at the inner end of the rear sliding rod 2041. The rear rack 2043 is arranged on the other side of the first gear 406 corresponding to the front rack 2033. One end of the rear rack 2043 is fixedly connected to the inner end of the rear sliding rod 2041, and the other end of the rear rack 2043 is a free end. The rear rack 2043 meshes with the first gear 406.

[0039] As Figure 1As shown in the figure, the adjusting mechanism includes a support rod fixedly connected to the cross beam 202, a front telescopic rod 402 arranged on one side of the tail end of the support rod close to the bed board 10, a rear telescopic rod 403 arranged on one side of the head end of the support rod close to the bed board 10, and a control rod 404 arranged in cooperation with the front wheel set at the tail end of the bed board 10. The support rod is vertically arranged below the middle of the bed board 10. The support rod includes a lower pipe 4011 with an open upper end and an upper pipe 4012 slidably connected to the lower pipe 4011. Both the upper pipe 4012 and the lower pipe 4011 are rectangular pipes. The upper end of the upper pipe 4012 is rotatably connected to the bed board 10 through a shaft seat. The rotation axis of the upper pipe 4012 rotatably connected to the bed board 10 is horizontally arranged along the width direction of the bed board 10. The lower end of the upper pipe 4012 extends into the inner cavity of the lower pipe 4011 and is slidably connected to the lower pipe 4011. The lower end of the lower pipe 4011 is fixedly connected to the corresponding cross beam 202. The upper pipe 4012 can only slide within the lower pipe 4011 and cannot rotate relative to the lower pipe 4011.

[0040] The lower end of the front telescopic rod 402 is hinged to the outer wall of the lower pipe 4011 close to the tail end of the bed board 10. The upper end of the front telescopic rod 402 is inclined towards the tail end of the bed board 10 and is hinged to the bed board 10. The lower end of the rear telescopic rod 403 is hinged to the outer wall of the lower pipe 4011 close to the head end of the bed board 10. The upper end of the rear telescopic rod 403 is inclined towards the head end of the bed board 10 and is hinged to the bed board 10. Both the front telescopic rod 402 and the rear telescopic rod 403 are electric telescopic rods. A power supply and a controller for controlling the telescopic movement of the front telescopic rod 402 and the rear telescopic rod 403 are arranged on the bed board 10. The power supply is electrically connected to both the front telescopic rod 402 and the rear telescopic rod 403.

[0041] The control rod 404 is vertically arranged. The control rod 404 includes an outer cylinder 4041 and an inner rod 4042 slidably connected to the outer cylinder 4041. The outer cylinder 4041 is a cylindrical body with an open lower end. The upper end of the outer cylinder 4041 is fixedly connected to the tail end of the bed board 10. The upper end of the inner rod 4042 is located in the inner cavity of the outer cylinder 4041 and is slidably connected to the outer cylinder 4041. The lower end of the inner rod 4042 extends out of the outer cylinder 4041 and is hinged to the outer end of the front slide bar 2031. In actual design, the control rod 404 can adopt the structural form of a multi-stage telescopic rod to meet the space and corresponding position change requirements before and after the inclination of the bed board 10.

[0042] The fixing component includes a hip fixing belt 31 fixedly connected to the bed board 10 for preventing the wounded from sliding towards the tail end of the bed board 10 and a flexible binding belt 32 for fixing the chest and abdomen of the wounded. The hip fixing belt 31 is structured like a diaper and detachably wraps the hip of the wounded to prevent the wounded from sliding towards the tail end of the bed board 10 when the bed board 10 is tilted. The flexible binding belt 32 uses Velcro that is convenient for fitting and opening to fix the wounded on the bed board 10 from the chest and abdomen of the wounded.

[0043] In this solution, the components actually supporting the bed board 10 are the front telescopic rod 402 and the rear telescopic rod 403. During the process of controlling the front telescopic rod 402 and the rear telescopic rod 403 to cooperate in telescoping to tilt the bed board 10, the upper tube 4012 of the support rod can freely slide up and down within the lower tube 4011. The support rod is mainly used to prevent the bed board 10 from rotating around the normal line of the surface of the bed board 10 and to prevent the bed board 10 from tilting towards the width sides of the bed board 10.

[0044] When this solution is in use, place the wounded on the bed board 10 in a flat position, and use the hip fixing belt 31 and the flexible binding belt 32 to fix the wounded on the bed board 10. When the bed board 10 is in a horizontal setting state, the distance between the front wheel set and the rear wheel set is relatively long, which is beneficial to improving the stability during the rapid movement of the bed board 10. As Figure 7 shown, when the bed board 10 needs to be tilted when located at a narrow bend, control the front telescopic rod 402 and the rear telescopic rod 403 to telescope so that the bed board 10 is in a state of tilting downward at the tail end by a certain angle, reducing the projected area of the bed board 10 in the vertical direction and the space occupied by the bed board 10 in the length direction of the bend, improving the passability of the transfer bed at the bend. The hip fixing belt 31 and the flexible binding belt 32 fix the wounded on the bed board 10 to prevent the wounded from sliding towards the tail end of the bed board 10. When the bed board 10 is gradually tilted, the lower end of the outer cylinder 4041 gradually moves towards the direction close to the support rod, the inner rod 4042 gradually retracts into the outer cylinder 4041 and pushes the front sliding rod 2031 to slide towards the direction close to the support rod and retract into the longitudinal beam 201, and drives the first gear 406 to rotate through the front rack 2033. The rotating first gear 406 drives the rear sliding rod 2041 to retract into the longitudinal beam 201 through the rear rack 2043, thereby shortening the distance between the front roller 2032 and the rear roller 2042 to be within the projected area of the bed board 10, improving the passability of the transfer bed.

[0045] The above are only embodiments of the present invention, and common general knowledge such as specific structures and characteristics known in the solution is not described in detail herein. It should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent. The protection scope required by this application shall be subject to the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A vehicle-mounted stretcher for wounded, comprising a bed board, a walking frame arranged under the bed board, and a fixing component arranged on the bed board for fixing the wounded. It is characterized in that: It further comprises an adjusting mechanism arranged on the walking frame for tilting the bed board along the length direction of the bed board. When the stretcher passes through a narrow curve, the inclination angle of the bed board is changed through the adjusting mechanism to reduce the projected area of the stretcher in the vertical direction and improve the passing performance of the stretcher at the narrow curve.

2. The vehicle-mounted casualty transfer bed according to claim 1, wherein: The walking frame comprises longitudinal beams arranged in parallel along the length direction of the bed board, a plurality of cross beams each fixedly connected to one of the longitudinal beams at both ends, a front wheel set slidably connected to the tail end of the longitudinal beam, and a rear wheel set slidably connected to the head end of the longitudinal beam.

3. The vehicle-mounted casualty transfer bed according to claim 2, wherein: The adjusting mechanism comprises a support rod fixedly connected to the cross beam, a front telescopic rod arranged on one side of the tail end of the support rod close to the bed board, and a rear telescopic rod arranged on one side of the head end of the support rod close to the bed board. The support rod is vertically arranged below the middle of the bed board. The lower end of the support rod is fixedly connected to the cross beam, and the upper end of the support rod is rotatably connected to the bed board. The rotating shaft of the support rod rotatably connected to the bed board is horizontally arranged along the width direction of the bed board. The lower end of the front telescopic rod is hinged to the support rod, and the upper end of the front telescopic rod is inclined towards the tail end direction of the bed board and hinged to the bed board. The lower end of the rear telescopic rod is hinged to the support rod, and the upper end of the rear telescopic rod is inclined towards the head end direction of the bed board and hinged to the bed board.

4. The vehicle-mounted casualty transport bed according to claim 3, wherein: The support rod comprises a lower tube with an open upper end and an upper tube slidably connected to the lower tube. Both the upper tube and the lower tube are rectangular tubes. The upper end of the upper tube is rotatably connected to the bed board. The rotating shaft of the upper tube rotatably connected to the bed board is horizontally arranged along the width direction of the bed board. The lower end of the upper tube extends into the inner cavity of the lower tube and is slidably connected to the lower tube. The lower end of the lower tube is fixedly connected to the cross beam.

5. The vehicle-mounted casualty transfer bed according to claim 3, wherein: The adjusting mechanism further comprises a control rod arranged at the tail end of the bed board in cooperation with the front wheel set. When the bed board is tilted, the control rod drives the front wheel set and the rear wheel set to slide towards the direction close to the support rod.

6. The vehicle-mounted casualty transport bed according to claim 5, wherein: The control rod comprises an outer tube fixedly connected to the bed board at the upper end and an inner rod slidably connected to the outer tube. The lower end of the outer tube is open. The upper end of the inner rod is located in the inner cavity of the outer tube and is slidably connected to the outer tube. The lower end of the inner rod is hinged to the front wheel set.

7. The vehicle-mounted wounded person transfer bed according to claim 6, characterized in that: The longitudinal beam is a tubular body with openings at both ends. The front wheel set includes a front sliding rod slidably connected to the inner cavity of the longitudinal beam and front rollers arranged on the front sliding rod. The front rollers are arranged at the outer ends of the front sliding rod, and the inner end of the front sliding rod extends into the longitudinal beam and is slidably connected to the inner cavity of the longitudinal beam. The lower end of the inner rod is hinged to the outer end of the front sliding rod. A first rotating shaft is vertically and fixedly connected to the inner cavity in the middle of the longitudinal beam. A first gear is rotatably arranged coaxially on the first rotating shaft. The inner end of the front sliding rod is fixedly connected with a front rack meshing with the first gear. The rear wheel set includes a rear sliding rod slidably connected to the inner cavity of the longitudinal beam and rear rollers arranged on the rear sliding rod. The rear rollers are arranged at the outer ends of the rear sliding rod, and the inner end of the rear sliding rod extends into the longitudinal beam and is slidably connected to the inner cavity of the longitudinal beam. The inner end of the rear sliding rod is fixedly connected with a rear rack arranged opposite to the front rack and meshing with the first gear.

8. A vehicle-mounted casualty transport bed according to claim 7, characterized in that: Both the front rollers and the rear rollers are universal wheels.

9. The vehicle-mounted casualty transport bed according to claim 3, wherein: Both the front telescopic rod and the rear telescopic rod are electric telescopic rods. A power supply and a controller for controlling the telescopic movement of the front telescopic rod and the rear telescopic rod are arranged on the bed board.

10. A vehicle-mounted casualty transfer bed according to claim 1, characterized in that: The fixing assembly includes a hip fixing belt fixedly connected to the bed board for preventing the wounded from sliding towards the tail end of the bed board and a flexible binding belt for fixing the chest and abdomen of the wounded.

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