CN212654275U - Wounded transferring ladder in field hospital - Google Patents

Abstract

The utility model provides a wounded transferring ladder in field hospital, which comprises a transferring ladder body, wherein the transferring ladder body consists of two vertical parallel vertical rods and pedals arranged between the vertical rods at a transverse interval; a clamping part for fixing the transfer ladder body on the edge of the truck carriage is connected between the inner sides of the upper ends of the two upright posts through a third rotating shaft; the upper surfaces of the two upright posts are provided with sliding grooves; a supporting platform is arranged at the upper end of the transfer ladder body, two sides of the rear end of the supporting platform are respectively connected with a first sliding block which is arranged in the sliding groove in a sliding mode through connecting pieces, and the first sliding block can drive the supporting platform to slide up and down along the sliding groove; and a driving device for driving the first sliding block to slide back and forth is arranged in the vertical rod at the lower end of the sliding groove. The utility model is safe and stable, convenient to operate, free from lifting the arm of the medical staff to transfer the wounded, matched with most vehicle types, and high in utilization rate; convenient operation, time and labor saving, and can strive for more time for the medical personnel to rescue the wounded.

Description

Wounded transferring ladder in field hospital

Technical Field

The utility model relates to a medical treatment auxiliary articles for use technical field, concretely relates to field hospital wounded person transports ladder.

Background

The field medical truck is the most basic mobile operation hospital treatment mode for treating war wounds in the battle field or disaster field at present. Under the field operation condition, medical care personnel usually carry the wounded through the stretcher, transfer the wounded to the field operation medical truck urgently and then carry out emergency treatment by the military medical personnel.

In practical situations, medical staff carry the wounded to the front of a field medical truck, and the truck carriage is high, so that the medical staff can transfer the wounded to a truck stretcher only by lifting the stretcher with a hand arm, which wastes time and labor, on one hand, the distance between the wounded and the field medical truck is far, the medical staff consumes more physical power when carrying the wounded, and when the wounded are more, the wounded need to be carried back and forth for multiple times, so that the physical overdraft of the medical staff is easily caused, the best opportunity for rescuing the wounded is missed, and irreversible consequences are caused; on the other hand, the environment is severe under the field operation condition, the condition of the wounded is complex, and the number of the critically ill patients is large, when the stretcher is lifted, the stability and the slowness of the stretcher are ensured, otherwise, the wounded easily slides off the stretcher, the secondary injury of the wounded is easily caused, and the pain of the wounded is increased.

In view of the above, there is a need to design a transport ladder for wounded persons in field hospitals, which overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overcome field operations hospital wounded's transportation ladder of above-mentioned problem.

In order to realize the purpose, the utility model discloses a technical scheme is: a wounded transferring ladder in a field hospital comprises a transferring ladder body, wherein the transferring ladder body is composed of two vertical rods which are vertically arranged in parallel and pedals which are transversely arranged between the vertical rods at intervals;

a clamping part used for fixing the transfer ladder body on the edge of the truck carriage is connected between the inner sides of the upper ends of the two upright posts through a third rotating shaft;

the upper surfaces of the two upright posts are provided with sliding grooves;

the upper end of the transfer ladder body is provided with a supporting platform, two sides of the rear end of the supporting platform are respectively connected with a first sliding block which is arranged in the sliding groove in a sliding mode through connecting pieces, and the first sliding block can drive the supporting platform to slide up and down along the sliding groove;

and a driving device for driving the first sliding block to slide back and forth is arranged in the vertical rod at the lower end of the sliding groove.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

Furthermore, a first cavity communicated with the sliding chute is formed in the upright rod at the lower end of the sliding chute, and a second cavity is formed at the lower end of the first cavity;

the driving device comprises a lead screw vertically arranged along the vertical rod and a lead screw nut I which is rotatably connected to the lead screw and fixedly arranged at the lower end of the first sliding block, two ends of the lead screw are respectively connected to the side wall of the first cavity through bearings, and one end of the lead screw penetrates through the second cavity and is sleeved with the driven bevel gear;

the outer side wall of the vertical rod is provided with a handle, the handle penetrates into the second cavity and is sleeved with a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.

Furthermore, the connecting piece is detachably connected with the first sliding block, and the connecting piece is rotationally connected with the supporting platform through a rotating shaft;

the lower surface of the front end of the supporting platform is hinged with an inclined reinforcing rod, the lower end of the inclined reinforcing rod is connected to a second screw nut through a second sliding block, the second screw nut is rotatably sleeved on the screw and is positioned at the lower end of the first screw nut, and the second sliding block is connected with the inclined reinforcing rod in a buckling mode;

the oblique reinforcing rod is a telescopic rod.

Furthermore, a transfer platform capable of rotating 90 degrees is arranged on the upper surface of the supporting platform;

the utility model discloses a transport platform, including transport platform, installation piece, pivot four, the installation piece has been welded respectively to both sides around the middle part of transport platform lower surface, both ends are connected with the gyro wheel through pivot four around the installation piece.

Furthermore, two parallel straight slide rails are arranged at one end, close to the transfer ladder body, of the upper surface of the transfer platform, and the front ends of the two straight slide rails are respectively communicated with a first arc slide rail and a second arc slide rail;

the first arc slide rail and the second arc slide rail are respectively a quarter arc, are arranged oppositely, and are in tangent transition with the butt joint of the straight slide rail respectively;

the roller can slide along the first arc slide rail, the second arc slide rail and the straight slide rail.

Furthermore, two ends of the rotating shaft IV are respectively provided with a second groove, and the interior of the second groove is connected with a second small ball through a second spring;

and the two sides of one end of the first arc slide rail and the two sides of one end of the second arc slide rail, which are far away from the straight slide rail, are provided with second hemispherical grooves which can contain the second small balls.

Furthermore, a fixed baffle is arranged on the rear side of the transfer platform, and a movable baffle is arranged on the front side of the transfer platform;

a plurality of groove III is formed in the front side wall of the transferring platform, the movable baffle is connected with the inner wall of the groove III through a spring III, a positioning rod is arranged inside the spring III, and one end of the positioning rod is fixedly connected with the movable baffle.

Further, block portion is including welding the clamp on the third of pivot, it is two, the locking screw is worn to be equipped with by the lower extreme of clamp.

Furthermore, the upright rod comprises an upper upright rod at the upper end of the handle and a lower upright rod at the lower end of the handle, the upper upright rod and the lower upright rod are connected through an Jiong-shaped connecting piece, and the end parts of the upper upright rod and the lower upright rod are respectively connected with the Jiong-shaped connecting piece in a rotating mode through a second rotating shaft.

Furthermore, the outer side wall of the lower vertical rod is provided with a lock catch, and the outer side wall of the upper vertical rod is provided with a lock hook matched with the lock catch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a field hospital wounded transport ladder, the upper end of its two pole settings is connected with the block portion that is used for fixing the transport ladder body at the truck carriage border through pivot three, and the block portion adopts the clamp mode, makes the transport ladder safe and firm more when transporting the wounded, has avoided the ladder unstability to the wounded secondary injury that causes; and the clamp can rotate relatively with transporting between the ladder body, is fit for the field operations medical truck of co-altitude not to use, and convenient nimble has improved this service efficiency of transporting the ladder.

2. The utility model discloses a field hospital wounded transfer ladder, the upper end of the supporting platform is provided with a transfer platform, the transfer platform is used for placing wounded stretchers, and the transfer platform can move up and down under the driving of the supporting platform; specifically, two ends of the supporting platform are respectively connected with a sliding block through a connecting piece, and the supporting platform slides up and down through the relative movement of the sliding block relative to the sliding chute; the driving device is arranged in one of the upright posts, so that the volume of the whole transfer ladder is effectively reduced, and the transfer ladder is convenient to store; the driving device realizes the up-and-down sliding of the sliding block by adopting the relative sliding of the screw rod and the screw rod nut, and the bevel gear group is arranged at the end of the screw rod, so that the whole sliding process is more stable, the uncomfortable feeling of a wounded due to too fast rising or bumping is avoided, and the wounded is prevented from secondary damage; the handle rotation is easy to control, and the trouble possibly caused by insufficient electric power under the field operation condition is avoided.

3. The utility model discloses a field hospital wounded transferring ladder, one end of the supporting platform is connected with the connecting piece through the rotating shaft, and the other end is provided with an inclined reinforcing rod in a rotating way, so that the supporting force is improved; the inclined reinforcing rod is a telescopic rod, the upper end of the inclined reinforcing rod is rotatably connected with the lower surface of the supporting platform, the lower end of the inclined reinforcing rod is clamped in the second sliding block, the inclined reinforcing rod is conveniently separated from the clamp and folded inwards, the levelness of the supporting platform is conveniently adjusted, the safety of wounded in the transferring process is ensured, and the wounded is prevented from falling off to cause secondary injury; the connecting piece can be dismantled with slider one and be connected, accomodates and does not influence medical personnel from top to bottom when conveniently not using.

4. The utility model discloses a field hospital wounded transport ladder, the upper surface of its supporting platform is equipped with a rotatable 90 transport platform, should transport the platform bottom and be equipped with the gyro wheel, be equipped with on the supporting platform and be used for the gliding slide rail of gyro wheel, when the supporting platform rose, the stretcher that carries the wounded transversely placed on transporting the platform, at this moment, the gyro wheel just was located the tip of circular arc slide rail one and circular arc slide rail two, and the elasticity bobble at gyro wheel both ends just blocked in the hemispherical recess of circular arc slide rail one and circular arc slide rail two tip, made the transport platform not rotate relative to the supporting platform, guaranteed wounded's safety; when supporting platform rises to the topmost of transportation ladder body, clockwise rotation stretcher 90 degrees, the gyro wheel can be followed the straight slide rail of both sides just and slide to field operations medical truck carriage, after the gyro wheel breaks away from the slide rail completely, the majority of stretcher has been located inside the truck, again by medical personnel turn to the truck inside suitable position can, convenient operation, labour saving and time saving can strive for more time for medical personnel's rescue wounded.

Drawings

Fig. 1 is a schematic overall structure diagram (without a transfer platform) of the wounded transfer ladder in the field hospital provided by the utility model;

fig. 2 is a schematic cross-sectional view of the connection between the vertical rod and the supporting platform (including the transfer platform) in the embodiment of the present invention;

figure 3 is a schematic top sectional view of an upright in an embodiment of the invention;

FIG. 4 is an enlarged schematic view at A in FIG. 2;

FIG. 5 is an enlarged schematic view at B in FIG. 2;

fig. 6 is a schematic sectional view of the connection between the upper and lower vertical rods in the embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a joint between the diagonal reinforcing bar and the second slider in an embodiment of the present invention;

FIG. 8 is an exploded view of the connection between the first chute and the connecting member in the embodiment of the present invention;

fig. 9 is a schematic view of the overall structure of the wounded transfer ladder of the field hospital provided by the utility model after being folded and stored;

description of reference numerals:

1. erecting a rod; 11. a chute; 12. a first sliding block; 121. a connecting member; 122. a second rotating shaft; 123. assembling a groove; 124. a first threaded hole; 125. a second threaded hole; 126. a screw; 13. a first cavity; 14. a second cavity; 15. a second sliding block; 151. accommodating grooves; 152. a first hemispherical groove; 16. a "Jiong" type connector; 17. an upper vertical rod; 171. a latch hook; 18. a lower vertical rod; 181. locking; 19. a rotating shaft IV;

2. a pedal;

3. a fastening part; 31. a first rotating shaft; 32. clamping a hoop; 33. locking the screw rod;

4. a support platform; 41. an oblique reinforcing rod; 411. a first groove; 412. a first spring; 413. a first small ball; 42. positioning the bolt; 43. a straight slide rail; 44. a first arc slide rail; 45. a second arc slide rail; 46. a second hemispherical groove; 47. marking a first position line;

5. a drive device; 51. a lead screw; 52. a first lead screw nut; 53. a bearing; 54. a driven bevel gear; 55. a driving bevel gear; 56. a handle; 57. a second lead screw nut;

6. a transfer platform; 61. mounting blocks; 62. a rotating shaft III; 621. a second groove; 622. a second spring; 623. a second small ball; 63. a roller; 64. fixing a baffle plate; 65. a movable baffle; 66. a third groove; 67. a third spring; 68. positioning a rod; 69. A position marking line II; 610. and marking a line III at the position.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-7, a wounded transferring ladder in field hospital comprises a transferring ladder body, wherein the transferring ladder body is composed of two vertical rods 1 which are vertically arranged in parallel and pedals 2 which are transversely arranged between the vertical rods 1 at intervals;

a clamping part 3 for fixing the transfer ladder body on the edge of the truck carriage is connected between the inner sides of the upper ends of the two upright rods 1 through a third rotating shaft 31, so that the transfer ladder body is stably connected with the truck carriage, and a wounded person is prevented from falling off from the ladder; and the clamping part 3 is arranged between the two upright stanchions 1 through the first rotating shaft 31, so that the clamping part 3 can rotate relative to the upright stanchions 1, the clamping part can be matched with truck models with different heights, the stability of the transfer ladder body is further ensured, and the safety of wounded persons is ensured.

The upper surfaces of the two upright rods 1 are both provided with sliding grooves 11;

the upper end of the transfer ladder body is provided with a supporting platform 4 for transversely placing the wounded stretcher, the width of the supporting platform 4 is consistent with that of a common stretcher, about 70-80 cm, and the length is not longer than 2 m, so that the wounded stretcher does not slide down; the medical care personnel can place the wounded person easily without lifting arms because the medical care personnel is arranged at a position which is not higher than the bottom of the ladder by 80 cm; two sides of the rear end of the supporting platform 4 are respectively connected with a first sliding block 12 which is slidably arranged in the sliding groove 11 through a connecting piece 121, and the first sliding block 12 can drive the supporting platform 4 to slide up and down along the sliding groove 11; it should be noted that when the supporting platform 4 slides to the uppermost end of the sliding chute 11, the upper surface is higher than the uppermost end of the vertical rod 1, so that the wounded stretcher can be translated into the carriage of the truck, and the working strength of the medical staff is reduced.

And a driving device 5 for driving the first sliding block 12 to slide back and forth is arranged in the vertical rod 1 at the lower end of the sliding groove 11. Drive arrangement 5 establishes inside pole setting 1, has reduced the volume of whole transportation ladder, makes its convenient storage.

Preferably, a first cavity 13 communicated with the chute 11 is formed in the upright rod 1 at the lower end of the chute 11, and a second cavity 14 is formed at the lower end of the first cavity 13;

the driving device 5 comprises a screw 51 vertically arranged along the vertical rod 1 and a screw nut I52 rotatably connected to the screw 51 and fixedly arranged at the lower end of the sliding block I12, two ends of the screw 51 are respectively connected to the side wall of the cavity I13 through bearings 53, and one end of the screw 51 penetrates through the cavity II 14 and is sleeved with a driven bevel gear 54;

the outer side wall of the vertical rod 1 is provided with a handle 56, the handle 56 penetrates into the second cavity 14 and is sleeved with a driving bevel gear 55, and the driving bevel gear 55 is meshed with the driven bevel gear 54.

In the embodiment, as shown in fig. 2 and 3, the driving device 5 adopts the relative sliding between the screw rod 51 and the screw rod nut 52 to realize the up-and-down sliding of the sliding block one 12, one end of the screw rod 51 is connected with the bevel gear set to change the circumferential rotation into the radial sliding, so that the whole sliding process is more stable, and the discomfort caused by the over-fast rising or bumping of the wounded is avoided; the rotation of the handle 56 is easy to control, and the trouble possibly caused by insufficient power under the field operation condition is avoided; when the device is used, the handle 56 is rotated, the driving bevel gear 55 drives the driven bevel gear 54 to rotate, and the driven bevel gear 54 further drives the screw 51 to do circumferential rotation motion; meanwhile, the first screw nut 52 slides upwards or downwards relative to the screw 51, and the first screw nut 52 further drives the first slide block 12 to slide upwards or downwards, so that the supporting platform 4 also moves upwards or downwards along the upright rod 1, and the wounded and the stretcher are conveyed to the edge of the carriage or the supporting platform is returned downwards.

Preferably, the connecting piece 121 is detachably connected with the first sliding block 12, and the connecting piece 121 is rotatably connected with the supporting platform 4 through a first rotating shaft 122, so that firstly, the levelness of the supporting platform 4 is conveniently adjusted, the wounded is ensured to be stably transported, and the phenomenon of falling is avoided; when the support platform is not used, the support platform 4 can be folded downwards and is attached to the upright stanchion, so that the volume is reduced and the support platform is convenient to store; the connecting piece 121 is detachably connected with the first sliding block 12, specifically, as shown in fig. 8, an assembly groove 123 is formed in the upper end of the first sliding block 12, first threaded holes 124 are formed in front and rear side walls of the assembly groove 123, second threaded holes 125 penetrating through front and rear outer walls are formed in the lower end of the connecting piece 121, when the lower end of the connecting piece 121 is inserted into the assembly groove 123, the first threaded holes 124 correspond to the second threaded holes 125 in position and size, the connecting piece 121 can be assembled and locked in the assembly groove 123 on the first sliding block 12 through screws 126, the structure is stable, the supporting platform 4 is convenient to disassemble and store when not in use, and when the screws 126 are disassembled, fingers can slightly extend into the sliding grooves 11.

The lower surface of the front end of the supporting platform 4 is hinged with an inclined reinforcing rod 41, so that the stability of the supporting platform 4 is ensured; the lower end of the inclined reinforcing rod 41 is connected to a second screw nut 57 through a second sliding block 15, the second screw nut 57 is rotatably sleeved on the screw 51 and is positioned at the lower end of the first screw nut 52, and the second sliding block 15 is in snap connection with the inclined reinforcing rod 41; when the handle 56 is rotated, the second screw nut 57, like the first screw nut 52, also slides up and down along the screw 51, so that the second slider 15 also drives the inclined reinforcing rod 41 to move up and down, which plays a role in reinforcing the supporting platform 4, and makes it more firm.

The diagonal reinforcing rods 41 are telescopic rods.

In this embodiment, the oblique reinforcing rods 41 are retractable rods and are fixed by positioning bolts, when the heights of the field trucks are different, in order to ensure the levelness of the supporting platform 4, the supporting platform 4 is connected with the connecting piece 121 through a rotating shaft, and the angle of the supporting platform 4 is conveniently adjusted, so that the oblique reinforcing rods 41 are retractable rods, and when the angle of the supporting platform 4 is adjusted, the angle of the supporting platform 4 can be adjusted in a telescopic manner to keep the supporting platform horizontal, and the safety of transportation of wounded persons is ensured; on the other hand, when the supporting platform 4 is folded toward the vertical rod 1, the oblique reinforcing rod 41 should also be foldable, so that the second slider 15 is connected with the oblique reinforcing rod 41 in a snap-fit manner, specifically, as shown in fig. 7, an accommodating groove 151 capable of accommodating the oblique reinforcing rod 41 is formed in the upper surface of the second slider 15, and hemispherical grooves 152 are formed in the left and right side walls of the accommodating groove 151 in a snap-fit manner; correspondingly, two sides of the bottom end of the oblique reinforcing rod 41 are provided with a groove I411, and the interior of the groove I411 is connected with a small ball I413 through a spring I412; when the wounded person needs to be transported, the supporting platform 4 is lifted upwards by one hand, the bottom of the inclined reinforcing rod 41 is pressed into the accommodating groove 151 of the second sliding block 15 by the other hand, at the moment, the first small ball 413 is clamped with the first hemispherical groove 152 under the action of the elastic force of the first spring 412, and then the height of the inclined reinforcing rod 41 is adjusted to ensure that the supporting platform 4 is level.

Preferably, the upper surface of the supporting platform 4 is provided with a transferring platform 6 capable of rotating 90 degrees; when the supporting platform 4 pushes the transferring platform 6 to slide to the topmost end of the upright rod 1, the transferring platform 6 can be rotated by 90 degrees, and the transferring platform is just vertical and can be directly pushed or pulled into a truck carriage, so that the convenience and labor saving are realized;

the front and back both sides at the middle part of the lower surface of the transfer platform 6 have welded installation piece 61 respectively, both ends are connected with gyro wheel 63 through four 62 of pivot around the installation piece 61, and it is more laborsaving when gyro wheel 63 makes the transfer platform 6 get into the carriage.

Preferably, as shown in fig. 1, one end of the upper surface of the transfer platform 6, which is close to the transfer ladder body, is provided with two parallel straight slide rails 43, and the front ends of the two straight slide rails 43 are respectively communicated with a first arc slide rail 44 and a second arc slide rail 45;

the first arc slide rail 44 and the second arc slide rail 45 are respectively a quarter arc, are arranged oppositely, and are in tangent transition at the joint with the straight slide rail 43;

the roller 63 can slide along the first arc slide rail 44, the second arc slide rail 45 and the straight slide rail 43.

In the embodiment, when the supporting platform 4 drives the transferring platform 6 to ascend, the stretcher with the wounded is transversely placed, and at this time, the rollers 63 are just positioned at the ends of the first arc-shaped slide rail 44 and the second arc-shaped slide rail 45; when the supporting platform 4 drives the transferring platform 6 to ascend to the topmost end of the transferring ladder body, the medical staff can rotate the transferring platform 6 clockwise by 90 degrees, in the rotating process, the roller 63 at the rear end of the transferring platform 6 slides clockwise along the second arc-shaped slide rail 45, and meanwhile, the roller 63 at the front end of the transferring platform 6 slides clockwise along the first arc-shaped slide rail 44; after rotating 90 degrees, the two slides in the front end of the straight slide rail 43 on transport platform 6 right side and left respectively, the gyro wheel 63 just can be followed and is controlled straight slide rail 43 and slide in to the field operations medical truck carriage, until after the gyro wheel 63 breaks away from about completely straight slide rail 43, transport platform 6 most have been located inside the truck, again by medical personnel turn to the truck inside suitable position can, convenient operation, labour saving and time saving.

Preferably, as shown in fig. 2 and 4, two end portions of the rotating shaft four 62 are respectively provided with a second groove 621, and a second small ball 623 is connected inside the second groove 621 through a second spring 622;

and two sides of one end of the first arc slide rail 44 and one end of the second arc slide rail 45, which are far away from the straight slide rail 43, are provided with a second hemispherical groove 46 capable of accommodating the second small ball 623.

In this embodiment, when the supporting platform 4 drives the transferring platform 6 to ascend, the stretcher carrying the wounded is transversely placed, at this time, the roller 63 is just located at the end portions of the first arc slide rail 44 and the second arc slide rail 45, and the small balls 623 with the springs at the two ends of the roller 63 are just clamped in the hemispherical grooves 46 at the end portions of the first arc slide rail 44 and the second arc slide rail 45, so that the transferring platform 6 does not rotate relative to the supporting platform 4, and the safety of the wounded is ensured. In order to conveniently clamp the transferring platform 6 into the supporting platform 4 and accurately judge whether the transferring platform rotates 90 degrees or not, a first position marking 47 is arranged in the middle of the front side of the supporting platform 4 and is used as a judgment reference, a second position marking 69 and a third position marking 610 are respectively arranged in the middle of the front side and the right side of the transferring platform 6, before a wounded person needs to be conveyed, the transferring platform 6 can be placed on the supporting platform 4, the second position marking 69 is aligned with the first position marking 47, then the transferring platform 6 is pressed downwards, and a 'clicking' sound is heard, namely the transferring platform 6 is proved to be fixedly connected with the supporting platform 4; when transporting the wounded to the uppermost end of the vertical rod 1, the transfer platform 6 is rotated clockwise, and when the position marking three 610 aligns to the position marking one 47, the transfer platform 6 can be pushed into the truck until the roller 63 is completely separated from the rail, and the stretcher can be moved to place the wounded in the proper position of the truck.

Preferably, as shown in fig. 2 and 4, in order to further ensure that the stretcher does not fall off, the rear side of the transfer platform 6 is provided with a fixed baffle 64, and the front side of the transfer platform 6 is provided with a movable baffle 65, so that the stretcher can be matched with stretchers with different widths;

a plurality of three grooves 66 are formed in the front side wall of the transfer platform 6, the movable baffle 65 is connected with the inner wall of the three grooves 66 through three springs 67, a positioning rod 68 is arranged inside the three springs 67, and one end of the positioning rod 68 is fixedly connected with the movable baffle 65.

Preferably, the engaging portion 3 includes two clips 32 welded to the third rotating shaft 31, and a locking screw 33 is inserted into a lower end of each clip 32. The clamp 32 can be matched with the truck and the ambulance carriage with most thickness, the application range is wide, the matching degree is high, when the clamp 32 is used, the clamp is aligned to the edge of the truck carriage, and then the edge of the truck is locked by the locking screw 33.

As shown in fig. 6, for the convenience of storage, the upright 1 includes an upper upright 17 at the upper end of the handle 56 and a lower upright 18 at the lower end of the handle 56, the upper upright 17 and the lower upright 18 are connected by an Jiong-shaped connecting member 16, and the ends of the two are respectively connected with the Jiong-shaped connecting member 16 through a second rotating shaft 19 in a rotating manner. When the storage box is stored, the upper upright rod and the lower upright rod are folded for 90 degrees respectively, so that the lower surfaces of the upper upright rod and the lower upright rod can be attached, the size is reduced, and the storage is convenient.

Preferably, a lock catch 181 is arranged on the outer side wall of the lower vertical rod 18, and a lock hook 171 matched with the lock catch 181 is arranged on the outer side wall of the upper vertical rod 17. After being folded, the lock catch 181 is clamped with the lock hook 171 to prevent the two from being separated.

When the utility model is used, the folding device is firstly opened, the supporting platform 4, the transferring platform 6 and the transferring ladder body are taken out, the upper vertical rod 17 and the lower vertical rod 18 are firstly unfolded to enable the two to be positioned on a straight line, then the clamp 32 is clamped at the edge of a carriage, the clamp 32 is locked at the edge of a truck by the locking screw rod 33, and then the whole transferring ladder body is placed stably to avoid loosening and instability; secondly, aligning the connecting part 121 at the lower end of the supporting platform 4 with the assembling groove 123 on the first sliding block 12, pressing down the supporting platform 4, connecting the connecting part 121 with the first sliding block 12 by using a screw 126 to ensure that the connecting part is not loosened, then rotating the supporting platform 4 upwards by one hand, rotating the inclined reinforcing rod 41 by the other hand to clamp the bottom end of the inclined reinforcing rod into the second sliding block 15, hearing 'clicking' sound, then adjusting the length of the inclined reinforcing rod 41, when the supporting platform 4 is in a horizontal state, fixing the inclined reinforcing rod 41 by using a fastening screw, checking the above operation, and ensuring that the supporting platform 4 is stable and firm; thirdly, transversely placing the transfer platform 6 on the supporting platform 4, aligning the position marking line II 69 with the position marking line I47, then pressing down the transfer platform 6, and hearing the clicking sound; fourthly, placing the wounded stretcher, pulling the movable baffle 65 outwards, placing the wounded stretcher on the transfer platform 6 by medical personnel, and then loosening the movable baffle 65; and fifthly, rotating the handle 56 until the stretcher is lifted to the highest point, rotating the transfer platform 6 clockwise by 90 degrees, stopping rotating when the position mark line three 610 is aligned with the position mark line one 47, pushing or pulling the transfer platform 6 inwards, and finally transferring the patient to a proper position of the carriage by medical personnel in the carriage, wherein the transfer process is completed. When the device is not used, the steps are operated in reverse, and the description is omitted.

The present invention has been further described with reference to the embodiments, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a field operations hospital wounded transports ladder, is including transporting the ladder body, it is established by two vertical parallel arrangement's pole setting (1) and horizontal interval to transport the ladder body footboard (2) between pole setting (1) are constituteed, its characterized in that:

a clamping part (3) used for fixing the transfer ladder body on the edge of the truck carriage is connected between the inner sides of the upper ends of the two upright posts (1) through a third rotating shaft (31);

the upper surfaces of the two upright rods (1) are provided with sliding grooves (11);

a supporting platform (4) is arranged at the upper end of the transfer ladder body, two sides of the rear end of the supporting platform (4) are respectively connected with a first sliding block (12) which is arranged in the sliding groove (11) in a sliding mode through a connecting piece (121), and the first sliding block (12) can drive the supporting platform (4) to slide up and down along the sliding groove (11);

and a driving device (5) for driving the first sliding block (12) to slide back and forth is arranged in the vertical rod (1) at the lower end of the sliding groove (11).

2. The wounded transport ladder of field hospital according to claim 1, characterized in that:

a first cavity (13) communicated with the sliding chute (11) is formed in the upright rod (1) at the lower end of the sliding chute (11), and a second cavity (14) is formed at the lower end of the first cavity (13);

the driving device (5) comprises a lead screw (51) which is vertically arranged along the vertical rod (1), and a lead screw nut I (52) which is rotatably connected to the lead screw (51) and fixedly arranged at the lower end of the sliding block I (12), two ends of the lead screw (51) are respectively connected to the side wall of the cavity I (13) through bearings (53), and one end of the lead screw (51) penetrates through the cavity II (14) and is sleeved with a driven bevel gear (54);

the outer side wall of the vertical rod (1) is provided with a handle (56), the handle (56) penetrates into the second cavity (14) and is sleeved with a driving bevel gear (55), and the driving bevel gear (55) is meshed with the driven bevel gear (54).

3. The wounded transport ladder of field hospital according to claim 2, characterized in that:

the connecting piece (121) is detachably connected with the first sliding block (12), and the connecting piece (121) is rotatably connected with the supporting platform (4) through a first rotating shaft (122);

the lower surface of the front end of the supporting platform (4) is hinged with an inclined reinforcing rod (41), the lower end of the inclined reinforcing rod (41) is connected to a second screw nut (57) through a second sliding block (15), the second screw nut (57) is rotatably sleeved on the screw (51) and is positioned at the lower end of the first screw nut (52), and the second sliding block (15) is connected with the inclined reinforcing rod (41) in a buckling mode;

the oblique reinforcing rods (41) are telescopic rods.

4. The wounded transport ladder of field hospital according to claim 2, characterized in that:

a transfer platform (6) capable of rotating 90 degrees is arranged on the upper surface of the supporting platform (4);

the utility model discloses a transport platform, including transport platform (6), transport platform (6) lower surface, the front and back both sides in middle part have welded respectively and have installation piece (61), both ends are connected with gyro wheel (63) through pivot four (62) around installation piece (61).

5. The wounded transport ladder of field hospital according to claim 4, characterized in that:

one end, close to the transfer ladder body, of the upper surface of the transfer platform (6) is provided with two parallel straight slide rails (43), and the front ends of the two straight slide rails (43) are respectively communicated with a first arc slide rail (44) and a second arc slide rail (45);

the first arc slide rail (44) and the second arc slide rail (45) are respectively a quarter arc, are arranged oppositely, and are in tangent transition at the joint with the straight slide rail (43);

the roller (63) can slide along the first arc slide rail (44), the second arc slide rail (45) and the straight slide rail (43).

6. The wounded transport ladder of field hospital according to claim 5, characterized in that:

two ends of the rotating shaft IV (62) are respectively provided with a groove II (621), and the inner part of the groove II (621) is connected with a small ball II (623) through a spring II (622);

and the two sides of one end, away from the straight slide rail (43), of the first arc slide rail (44) and the second arc slide rail (45) are provided with a second hemispherical groove (46) capable of containing the second small ball (623).

7. The wounded transport ladder of field hospital according to claim 4, characterized in that:

a fixed baffle (64) is arranged on the rear side of the transfer platform (6), and a movable baffle (65) is arranged on the front side of the transfer platform (6);

a plurality of three grooves (66) are formed in the front side wall of the transfer platform (6), the movable baffle plate (65) is connected with the inner wall of the three grooves (66) through a spring (67), a positioning rod (68) is arranged inside the spring (67), and one end of the positioning rod (68) is fixedly connected with the movable baffle plate (65).

8. The transport ladder for the wounded in the field hospital according to claim 1, wherein said engaging portion (3) comprises two clips (32) welded on said third shaft (31), and a locking screw (33) is installed at the lower end of said clips (32).

9. The transfer ladder for the wounded in the field hospital according to claim 2, wherein said vertical rod (1) comprises an upper vertical rod (17) at the upper end of said handle (56) and a lower vertical rod (18) at the lower end of said handle (56), said upper vertical rod (17) and said lower vertical rod (18) are connected by a "Jiong" type connecting piece (16), and the ends of both are respectively connected with said "Jiong" type connecting piece (16) by a second rotating shaft (19).

10. The transport ladder for the wounded in the field hospital according to claim 9, wherein a latch (181) is provided on the outer sidewall of said lower vertical rod (18), and a latch hook (171) matching with said latch (181) is provided on the outer sidewall of said upper vertical rod (17).

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