CN116650231A

CN116650231A - Airborne ICU rescue device and rescue aircraft thereof

Info

Publication number: CN116650231A
Application number: CN202310646859.9A
Authority: CN
Inventors: 李晓雪; 郝昱文
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-08-29

Abstract

The application relates to the technical field of rescue aircraft, in particular to an airborne ICU rescue device and a rescue aircraft thereof, wherein the airborne ICU rescue device comprises a combined frame, a stretcher, an infusion pump and an oxygen supply system; the stretcher comprises a foam-rubber cushion and a stretcher body, wherein the foam-rubber cushion is fixedly connected with the stretcher body; the oxygen supply system comprises an oxygen bottle, a pressure reducing valve and an oxygen supply pipeline, wherein the pressure reducing valve is arranged at a valve outlet of the oxygen bottle, and the pressure reducing valve is communicated with the oxygen supply pipeline; the combined frame comprises a column assembly, a first bed plate part and a second bed plate part; the first bed plate part is configured to be capable of being turned downwards; the second bed plate part is arranged on the upright post through the second plate type connecting part and is configured to be capable of overturning upwards. Through adopting first bed board portion can overturn downwards, and second bed board portion can overturn upwards, make holistic combination frame can fold like this, reduce transportation and storage integrated, conveniently carry.

Description

Airborne ICU rescue device and rescue aircraft thereof

Technical Field

The application relates to the technical field of rescue aircraft, in particular to an airborne ICU rescue device and a rescue aircraft thereof.

Background

Currently, rescue equipment in the field of aviation rescue mostly adopts a design concept of a combined equipment rack, mainly comprising a single layer and a double layer, but mostly has large volume, large weight and inconvenient carrying, and medical equipment on the equipment rack is relatively less.

Disclosure of Invention

The application aims to provide an on-board ICU rescue device and a rescue airplane thereof, so as to solve the technical problems that equipment frames are large in size and inconvenient to carry, and medical equipment on the equipment frames are relatively less.

The application provides an airborne ICU rescue device, which comprises a combined frame, a stretcher, an infusion pump and an oxygen supply system;

the stretcher comprises a foam-rubber cushion and a stretcher body, wherein the foam-rubber cushion is fixedly connected with the stretcher body; the oxygen supply system comprises an oxygen bottle, a pressure reducing valve and an oxygen supply pipeline, wherein the pressure reducing valve is arranged at a valve outlet of the oxygen bottle, and the pressure reducing valve is communicated with the oxygen supply pipeline;

the combined rack comprises: the stretcher is arranged on the first bed plate part and the second bed plate part respectively, and the oxygen supply system is arranged on the upright post component; the first bed plate part and the second bed plate part are respectively arranged on the upright post component, and the first bed plate part is positioned above the second bed plate part; the upright post assembly comprises two upright posts which are oppositely arranged and a first upright plate which is arranged between the two upright posts; the first bed plate part is arranged on the upright post through a first plate type connecting part and is configured to be capable of overturning downwards; the second bed plate part is arranged on the upright post through a second plate type connecting part and is configured to be capable of being turned upwards in opposite directions.

Further, a vest type safety belt and a leg fixing safety belt are arranged on the sponge cushion.

Further, the first bed plate part and the second bed plate part comprise two back support arms and a bed plate, and the two back support arms are respectively positioned at two opposite sides of the bed plate in the length direction;

the first plate type connecting part and the second plate type connecting part are fixed on the upright post through screws, and the back support arm is connected with the first plate type connecting part through a connecting pin assembly;

the connecting pin assembly comprises a first connecting pin and a pluggable bolt;

the back support arm of the first bed plate part is connected with the first plate type connecting part through the pluggable pin and the first connecting pin, and when the pluggable pin is detached, the first bed plate part can rotate relative to the axis of the first connecting pin;

the back support arm of the second bed plate part is connected with the second plate type connecting part through the pluggable bolt and the first connecting pin, and when the pluggable bolt is detached, the second bed plate part can rotate relative to the axis of the first connecting pin.

Further, the stretcher further comprises a first wheel, the stretcher body is provided with a lifting rod, and a plurality of first wheels are arranged below the stretcher body; the bed board is also provided with a guide groove for guiding the first wheel of the stretcher, so that the stretcher can move along the guide groove, and the length direction of the guide groove is parallel to the length direction of the bed board.

Further, a stretcher fixing plate is fixed on the back support arm, and the stretcher fixing plate is configured to be detachably and fixedly connected with the stretcher through a screw.

Further, a power supply is installed on the first vertical plate.

Further, the device comprises a device hanger which is connected with the upright post and is configured to be capable of being turned downwards.

Further, the equipment stores pylon includes the stores pylon body, the slip is provided with peripheral hardware frame on the stores pylon body, peripheral hardware frame includes the base plate and has the crooked cardboard of draw-in groove structure, one side of base plate is provided with two crooked cardboard, another side that the base plate is relative is provided with first retaining member.

Further, the bending clamping plate is provided with a clamping groove structure, and the clamping groove structure is hung on the upper side edge of the hanger body; the first locking piece comprises a cam structure and a handle, wherein the handle is fixedly connected with the cam structure, and when the handle rotates, the cam structure can be rotated, so that the cam structure locks or loosens the lower side edge of the hanger body.

Further, the device hanger also includes an infusion pump mount configured to rotate relative to the hanger body, the infusion pump being mounted on the infusion pump mount.

The second aspect of the application discloses a rescue aircraft employing the airborne ICU rescue device.

By adopting the technical scheme, the application has the following main beneficial effects:

the application provides an airborne ICU rescue device which comprises a combined frame, a stretcher, an infusion pump and an oxygen supply system; the stretcher comprises a foam-rubber cushion and a stretcher body, wherein the foam-rubber cushion is fixedly connected with the stretcher body; the oxygen supply system comprises an oxygen bottle, a pressure reducing valve and an oxygen supply pipeline, wherein the pressure reducing valve is arranged at the valve outlet of the oxygen bottle, and the pressure reducing valve is communicated with the oxygen supply pipeline; the combined frame comprises a column assembly, a first bed plate part and a second bed plate part; the first bed plate part and the second bed plate part are respectively arranged on the upright post component, and the first bed plate part is positioned above the second bed plate part; the upright post assembly comprises two upright posts which are oppositely arranged and a first upright plate which is arranged between the two upright posts; the first bed plate part is arranged on the upright post through the first plate type connecting part and is configured to be capable of overturning downwards; the second bed plate part is arranged on the upright post through the second plate type connecting part and is configured to be capable of overturning upwards. Through adopting first bed board portion can overturn downwards, and second bed board portion can overturn upwards, so make holistic combination frame can fold, reduce transportation and storage integrated, conveniently carry, still install stretcher, transfer pump and oxygen system in the combination frame in addition, richened medical equipment like this for airborne ICU rescue device has more function.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an on-board ICU rescue device according to embodiment 1;

FIG. 2 is a schematic diagram showing the structure of the oxygen supply system in example 1;

fig. 3 is a schematic structural diagram of a combined frame provided in embodiment 1;

fig. 4 is a schematic structural view of another view angle of the combined frame provided in embodiment 1;

fig. 5 is a schematic structural diagram of a combined frame according to another view angle of the combined frame according to embodiment 1;

FIG. 6 is an enlarged partial schematic view of FIG. 5A;

FIG. 7 is an enlarged partial schematic view at B in FIG. 5;

fig. 8 is a schematic view of the structure of the base in embodiment 2;

FIG. 9 is a schematic diagram of the operation of the hydrocarbon shock absorber system of example 2;

FIG. 10 is a schematic diagram of the operation of the hydrocarbon vibration damping system of example 3;

FIG. 11 is a schematic diagram of the operation of the direct acting two-position two-way valve of examples 3 and 4;

fig. 12 is a schematic diagram of the operation of the hydrocarbon shock absorbing system in example 4.

Reference numerals:

101-an upright post; 102-a first riser; 103-first plate connection; 104-a second plate connection; 105-backside support arms; 106, a bed board; 107-first connecting pins; 108-a pluggable latch; 109-stretcher securing plate; 110-a guide groove; 111-a hanger body; 112-a substrate; 113-bending the clamping plate; 114-a handle; 115-cam structure; 116-a first locking member; 117-support arm structure; 118-infusion pump rack; 119-a first spring catch plate; 120-a second spring catch plate; 121-an oxygen supply system fixing frame; 122-a support base; 123-a first fixing seat; 124-clamping band; 125-a rescue frame base; 125 a-lower seat plate; 125 b-upper seat plate; 126-a first bed plate part; 127-second bed plate part; 201-stretcher; 202-a sponge pad; 203-a stretcher body; 204-oxygen cylinder; 205-a pressure relief valve; 207-vest-style safety harness; 208-leg fixation safety belt; 209-a first wheel; 210-lifting a rod; 211-a low pressure oxygen panel; 212-an infusion pump; 213-ventilator; 214-a power supply; 300-an oil cylinder; 310-cylinder block; 311-have a rod cavity; 312-rodless cavity; 320-a piston rod; 321-limit baffles; 400-inertia block, BT-pump body, DF-one-way valve, F1-first control valve, F2-second control valve, F3-third control valve, F4-fourth control valve, F10-valve body, F11-reset spring, F12-control rod, F13-end plate, F14-one-way damping structure, GZ 1-first oil supply branch, GZ 2-second oil supply branch, GZ 3-third oil supply branch and GZ 4-fourth oil supply branch; HZ 1-first oil return branch, HZ 2-second oil return branch, X1-first pilot valve, X2-second pilot valve, YX-oil storage tank, Y1-first pressure valve, Y2-second pressure valve, ZH-oil return main path and ZG-oil supply main path.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Example 1

Referring to fig. 1-6, in one or more embodiments, an on-board ICU rescue device is provided that includes a combination frame, a stretcher, an infusion pump, and an oxygen supply system; the stretcher 201 comprises a foam cushion 202 and a stretcher body 203, and the foam cushion is fixedly connected with the stretcher body; the oxygen supply system comprises an oxygen bottle 204, a pressure reducing valve 205 and an oxygen supply pipeline (not shown), wherein the pressure reducing valve is arranged at the valve outlet of the oxygen bottle, and the pressure reducing valve is communicated with the oxygen supply pipeline; the combined frame comprises a column assembly, a first bed plate part and a second bed plate part; the first bed plate part and the second bed plate part are respectively arranged on the upright post component, and the first bed plate part is positioned above the second bed plate part; the upright post assembly comprises two upright posts 101 which are oppositely arranged and a first upright plate 102 which is arranged between the two upright posts; the first bed plate part is arranged on the upright post through a first plate type connecting part 103 and is configured to be capable of overturning downwards; the second bed plate portion is mounted on the upright column by a second plate-type connection portion 104, and the second bed plate portion is configured to be capable of being turned upward in opposition. The first bed plate part, the second bed plate part and the upright post component are combined, so that the whole bed plate is convenient to assemble and disassemble. A vest-type seat belt 207 and a leg-fixing seat belt 208 are mounted on the foam-rubber cushion.

According to the combined rack provided by the application, the first bed plate part can be turned downwards, and the second bed plate part can be turned upwards, so that the whole combined rack can be folded, the transportation and storage integration are reduced, and the combined rack is convenient to carry.

In some embodiments, the first bed plate portion and the second bed plate portion each include two back support arms 105 and a bed plate 106, and the two back support arms 105 are respectively located at two opposite sides of the bed plate in the length direction; the first plate type connecting part 103 and the second plate type connecting part 104 are fixed on the upright post through screws, and the back support arm 105 is connected with the first plate type connecting part 103 through a connecting pin assembly; the connecting pin assembly comprises a first connecting pin 107 and a pluggable latch 108; the back support arm 105 of the first bed plate part is connected with the first plate type connecting part 103 through a pluggable pin 108 and a first connecting pin 107, and when the pluggable pin 108 is disassembled, the first bed plate part can rotate relative to the axis of the first connecting pin 107; the back support arm 105 of the second bed plate portion is connected to the second plate-type connecting portion 104 by connecting the pluggable pin 108 to the first connecting pin 107, and when the pluggable pin 108 is detached, the second bed plate portion can rotate relative to the axis of the first connecting pin 107. Like this first bed board portion and second bed board portion all realize through the connecting pin subassembly with stand fixed connection to and can pull out the back with pluggable bolt 108, realize the upset of first bed board portion and second bed board portion respectively, thereby realize the folding of combination frame. The sponge cushion is provided with a vest type safety belt and a leg fixing safety belt. The stretcher further comprises a first wheel, the stretcher body is provided with a lifting rod, and a plurality of first wheels are arranged below the stretcher body. The first vertical plate is provided with a power supply.

In some embodiments, the first plate connector 103 and the second plate connector 104 are each connectors formed by welding a plurality of plate structures. The bed board is fixedly connected with the back support arm 105 through screws. When the back support arm 105 of the first bed board part is connected with the first plate-type connecting part 103 through the pluggable pin 108 and the first connecting pin 107, the pluggable pin 108 and the first connecting pin 107 are arranged at intervals, and are distributed at intervals along the length direction of the back support arm 105, the pluggable pin 108 is arranged close to the upright, and the first connecting pin 107 is arranged far away from the upright. When the back support arm 105 of the second bed board part is connected with the second board-type connecting part 104 through the pluggable pin 108 and the first connecting pin 107, the pluggable pin 108 and the first connecting pin 107 are arranged at intervals, and are distributed at intervals along the length direction of the back support arm 105, the pluggable pin 108 is far away from the upright column, and the first connecting pin 107 is close to the upright column. The first bed board portion turns downwards under self gravity, and after the first bed board portion turns upwards, the first bed board portion is bound with the upright post plate through the binding belt, so that the first bed board portion can be kept in an upwards standing state after turning upwards.

In some embodiments, a stretcher securing plate 109 is also secured to the backside support arm 105, the stretcher securing plate 109 being configured for releasable securing connection with the stretcher by screws. The stretcher fixing plate 109 is detachably and fixedly connected with the stretcher through screws, and is convenient for the detachment of the stretcher.

In some embodiments, the stretcher further comprises a first wheel 209, the stretcher body is provided with a lifting rod 210, and a plurality of first wheels are arranged below the stretcher body; the plate surface of the stretcher securing plate 109 is disposed substantially parallel to the longitudinal direction of the rear support arm 105. The bed board is also provided with a guide groove 110 for guiding the first wheel of the stretcher, so that the stretcher can move along the guide groove 110, and the length direction of the guide groove 110 is parallel to the length direction of the bed board.

In one embodiment, the stretcher has a total length 2160mm, a width 545mm, and a height 174.5mm. The lifting rod of the stretcher adopts a telescopic mechanism, and can be pulled out by about 100mm, thereby being convenient for medical staff to operate. The stretcher is fixed on the stretcher fixing plate through copper pins or screws.

In some embodiments, the modular housing further comprises an equipment rack connected to the upright, and the equipment rack is configured to be capable of being flipped down, which facilitates reducing the volume of the overall modular housing.

In some embodiments, the device hanger comprises a hanger body 111, a peripheral device rack is slidably disposed on the hanger body 111, the peripheral device rack comprises a base plate 112 and a bending clamping plate 113 with a clamping groove structure, two bending clamping plates 113 are disposed on one side edge of the base plate 112, and a first locking member 116 is disposed on the other opposite side edge of the base plate 112. The position of the peripheral equipment rack on the rack body 111 is adjusted by the buckling clamping plate and the first locking piece 116.

In one embodiment, the peripheral rack may have a product such as a ventilator mounted thereon. The bending clamping plate 113 is provided with a clamping groove structure which is hung on the upper side edge of the hanging rack body 111, so that the whole substrate 112 is hung on the hanging rack body 111; the first locking member 116 includes a cam structure 115 and a handle 114, where the handle 114 is fixedly connected to the cam structure 115, and when the handle 114 rotates, the cam structure 115 can be rotated, so that the cam structure 115 locks or unlocks the lower side edge of the hanger body 111, and when the locking is performed, the position of the peripheral equipment rack on the hanger body 111 is locked, and when the unlocking is performed, the peripheral equipment rack can move on the hanger body 111.

In some embodiments, the device hanger further comprises a support arm structure 117, one end of the support arm structure 117 is fixedly connected to the hanger body 111 by a screw, the other end of the support arm structure 117 is connected to the first plate-type connection portion 103 by a connection pin assembly, and when the removable plug 108 is removed, the device hanger is configured to be rotatable relative to the axis of the first connection pin 107. When the other end of the support arm structure 117 is connected to the first plate-type connecting portion 103 through a connecting pin assembly, the first connecting pin 107 of the connecting pin assembly is disposed at an upper-lower interval with the pluggable pin 108. When the pluggable latch 108 is unplugged, the other end of the support arm structure 117 is flipped downward relative to the axis of the first connection pin 107.

In some embodiments, the device hanger further comprises an infusion pump mount 118, the infusion pump mount 118 being configured to rotate relative to the hanger body. The infusion pump stand 118 is used to mount an infusion pump. The infusion pump stand 118 is pivotally connected to the side edge of the hanger body in the height direction, so that the infusion pump stand 118 can conveniently rotate relative to the hanger body. A locking component is arranged between the infusion pump support 118 and the hanger body, and the infusion pump support 118 and the hanger body can rotate relatively through the locking component. The infusion pump is arranged on the infusion pump frame. The infusion pump rack stretches out one side of the hanger body, can be turned over by 180 degrees through the locking assembly, and is small in size after being folded, and convenient to store.

Referring to fig. 7, in one embodiment, the locking assembly includes a first spring catch plate 119 disposed on the infusion pump rack 118 and a second spring catch plate 120 disposed on the rack body 111, respectively. A first spring catch plate 119 is secured to and swings with the infusion pump rack 118.

The front end of the second spring clamping plate 120 is bent to form an arc clamping groove, the front end of the first spring clamping plate 119 is bent to form an arc clamping portion, the arc clamping groove is arranged on the swing path of the arc clamping portion, when the first spring clamping plate 119 swings along with the infusion pump frame 118, the arc clamping portion slides into the arc clamping groove, the second spring clamping plate 120 tightly holds the first spring clamping plate 119 by utilizing the elasticity of the second spring clamping plate, a temporary locking structure is achieved, and then the infusion pump frame 118 is temporarily locked. When the infusion pump stand 118 is rotated by external force or one end of the arc-shaped clamping groove of the second spring clamping plate 120 is directly pressed down, the arc-shaped clamping part of the first spring clamping plate 119 is forced to slide out of the arc-shaped clamping groove, and then the locking of the infusion pump stand 118 is released. The arc clamping part of the first spring clamping plate 119 is abutted against the outer side surface of the arc clamping groove of the second spring clamping plate 120, so that a friction damping structure is formed, and the continuous stop and locking of the swing process of the infusion pump frame 118 can be realized.

In some embodiments, an oxygen supply system mount 121 is also provided on the column, the oxygen supply system mount 121 being configured to mount an oxygen supply system. The oxygen bottle is a medical oxygen bottle.

In some embodiments, the oxygen supply system mount 121 includes a support base 122, the support base 122 having a cavity for carrying a medical oxygen cylinder. The oxygen bottle provides continuous oxygen supply for the intelligent life support integrated machine on the airplane.

In some embodiments, the hanger body is further provided with a low-pressure oxygen panel 211, which comprises two medical quick-connection sockets, and the oxygen supply system is connected with the medical quick-connection sockets, so that oxygen can be supplied to two respirators simultaneously.

In some embodiments, the oxygen supply system fixing frame 121 further includes a first fixing base 123, the support base 122 is mounted on the first fixing base 123, and the first fixing base 123 is further provided with a clamp 124. The medical oxygen bottle is fixed on the first fixing base 123 by the clamp 124.

In some embodiments, the modular frame further includes an ambulance frame pedestal 125 to which the stud assembly is bolted.

The folding process of the combined rack (on which the medical equipment is not mounted) of the airborne ICU rescue device comprises the following steps:

the first step: the infusion pump frame is folded 180 degrees anticlockwise towards the direction of the hanger body, and then the infusion pump frame is bound by the binding belt after rotating.

And a second step of: the equipment hanging rack is folded backwards by 180 degrees anticlockwise and naturally sags by gravity.

And a third step of: the second bed plate part is folded upwards by 90 degrees anticlockwise, and the bed plate of the second bed plate part is bound by a binding belt.

Fourth step: the first bed board part is folded clockwise by 90 degrees and naturally sags by gravity. After the combined frame is folded, the total height is 759mm, the width is 530mm, and the length is 1400m; and the assembly is horizontally placed in the packaging box after folding. The combined equipment rack has lighter total weight after being folded.

In some embodiments, the power supply 214 is installed on the first vertical plate, and the modular design is adopted, so that the power supply has the characteristics of small volume, light weight, high reliability and flexible use, and is very suitable for environments with high requirements on volume and weight.

Example 2

Referring to fig. 8, the present embodiment discloses a base structure, which can be used for the ambulance rack base 125 in the above embodiment 1, and the base 125 includes an upper seat plate 125b and a lower seat plate 125a; the upper seat plate 125b is slidably provided on the lower seat plate 125a in the X-axis direction (i.e., the front-rear direction). The entire on-board ICU rescue device is mounted to upper seat plate 125b by a post assembly, while lower seat plate 125a is fixedly attached to the floor of the aircraft by fasteners.

Referring to fig. 9, an oil and gas damping system is provided between the upper seat plate 125b and the lower seat plate 125a, and includes: the oil cylinder 300, the oil storage tank YX, the first pressure valve Y1 and an oil return pipeline;

the oil cylinder 300 includes a cylinder body 310, a piston and a piston rod 320; the cylinder 310 is fixedly connected with the lower seat plate 125a, and the piston rod 320 is fixedly connected with the upper seat plate 125 b;

the rod cavity 311 and the rodless cavity 312 of the oil cylinder 300 are respectively connected with the oil storage tank YX through an oil return pipeline, and a first pressure valve Y1 is arranged on the oil return pipeline.

Wherein a plurality of cylinders 300 are preferably arranged in a matrix between upper and lower seat plates 125b and 125a so as to be uniformly stressed.

Preferably, the oil return pipeline comprises a first oil return branch HZ1 and a second oil return branch HZ2;

the rod cavity 311 is connected with the oil storage tank YX through a first oil return branch HZ 1; the rodless chamber 312 is connected to the oil reservoir YX via a second oil return branch HZ 2.

Preferably, the oil-return device further comprises an oil-return main path ZH, wherein the first oil-return branch path HZ1 and the second oil-return branch path HZ2 are connected with one end of the oil-return main path ZH, and the other end of the oil-return main path ZH is connected with an oil storage tank YX;

the first pressure valve Y1 is provided in the oil return main path ZH.

And optionally, the first oil return branch HZ1 and the second oil return branch HZ2 are respectively provided with a first pressure valve Y1 for respectively adjusting and controlling the oil pressure on the oil circuit.

More preferably, the first oil return branch HZ1 and the second oil return branch HZ2 are respectively provided with a check valve DF for controlling the oil in the oil cylinder 300 to flow to the oil storage tank YX in a unidirectional manner.

Preferably, the hydraulic oil pump further comprises a first oil supply branch road GZ1, a second oil supply branch road GZ2 and an oil supply main road ZG, wherein one end of the first oil supply branch road GZ1 is connected with the rod cavity 311, and the other end is connected with the oil supply main road ZG; one end of the second oil supply branch line GZ2 is connected with the rodless cavity 312, and the other end is connected with the oil supply main line ZG;

the oil supply main path ZG is provided with a pump body BT; the first oil supply branch GZ1 and the second oil supply branch GZ2 are respectively provided with a first pilot valve X1 and a second pilot valve X2; the control ports on the first pilot valve X1 and the second pilot valve X2 are connected with the rod chamber 311 and the rodless chamber 312 through a first control oil path and a second control oil path, respectively.

Preferably, the first oil supply branch GZ1 and the second oil supply branch GZ2 are respectively provided with a check valve DF for controlling the oil to flow in one direction to the rod cavity 311 and the rodless cavity 312.

Preferably, the oil supply main passage ZG is further provided with a second pressure valve Y2.

Under the impact action, when the upper seat plate 125b moves relative to the lower seat plate 125a, the upper seat plate 125b drives the piston to move in the cylinder 310 through the piston rod 320, wherein oil in the rod cavity 311 or the rodless cavity 312 is extruded, and when the pressure exceeds the set pressure of the first pressure valve Y1, the oil in the rod cavity 311 or the rodless cavity 312 flows back to the oil storage tank YX through the oil return pipeline; the pressure of the oil in the rodless cavity 312 or the rod cavity 311 at the opposite side is reduced, or even a negative pressure state occurs, and at this time, the pressure in the second control oil path or the first control oil path is reduced, so that the second pilot valve X2 or the first pilot valve X1 is reset and conducted under the action of the internal reset spring, and the oil in the oil storage tank YX flows into the rodless cavity 312 or the rod cavity 311.

Compared with the prior spring type damping mode, the oil gas damping system disclosed by the application has the advantages that the damping force is constant during damping, and the impact of the counter elasticity does not exist, so that the patient on the base 125 is prevented from suffering larger impact, the illness state is worsened, and the damage to the instruments and equipment arranged on the base 125 or the influence on the normal work of the instruments and equipment can be effectively avoided.

Example 3

Referring to fig. 10, this embodiment is basically the same in structure as embodiment 2, except that:

the base structure disclosed in the present embodiment further includes a first control valve F1, a second control valve F2, and an inertia block 400; the inertial mass 400 is preferably a metal mass in the form of a cylinder or a cuboid.

The first control valve F1 and the second control valve F2 are respectively arranged on the first oil return branch HZ1 and the second oil return branch HZ2;

the first control valve F1 and the second control valve F2 are direct-acting two-position two-way valves; referring to fig. 11, the direct acting two-position two-way valve includes a valve body F10, a valve body (not shown) slidably provided in the valve body F10, a return spring F11, and a control lever F12; the reset spring F11 and the control rod F12 are respectively arranged at two ends of the valve core and used for controlling the valve core to switch between two working positions; the two-position two-way valve is kept in a normally-off state under the action of a return spring F11; the outer end of the control rod F12 extends out of the valve body F10; the valve core is pushed inwards to move by the external force through pushing the outer side end of the control rod F12 against the spring force of the return spring F11, and the ports on two sides of the two-position two-way valve are communicated (namely the two-position two-way valve is in a communicated state).

Wherein the inertial mass 400 is slidably disposed on the lower seat plate 125a along the X direction; the first control rod F12 on the first control valve F1 and the second control rod F12 on the second control valve F2 are both disposed along the X direction, and the outer end of the first control rod F12 and the outer end of the second control rod F12 are disposed at two ends of the moving path of the inertial mass 400 respectively.

When suddenly decelerating or accelerating, the inertia block 400 moves relative to the lower seat plate 125a under the action of inertia, and when touching the first control rod F12 or the second control rod F12, the first control valve F1 and the second control valve F2 are opened by the first control rod F12 or the second control rod F12, the first oil return branch HZ1 or the second oil return branch HZ2 is conducted, and the oil in the rod cavity 311 or the rodless cavity 312 flows back to the oil tank YX.

According to the application, the first control valve F1 and the second control valve F2 are in a normally closed (normally off) state, and oil in the rod cavity 311 and the rodless cavity 312 cannot flow out, so that the upper seat plate 125b and the lower seat plate 125a can be locked, relative movement between the two is avoided, and further shaking of people and objects on the base 125 is avoided, and especially dizziness of a patient is avoided.

Only when a large gear change and shock occurs, the first control valve F1 or the second control valve F2 is opened by the inertia block 400, thereby forming an active damping system.

And more preferably, the direct-acting two-position two-way valve is provided with a one-way damping structure F14 between the control rod F12 and the valve body F10, and the one-way damping structure F14 is used for controlling the control rod F12 to slowly reset under the action of the reset spring F11, so that sufficient damping time is provided for the whole oil-gas damping system, namely, oil is ensured to flow back to the oil storage tank YX in sufficient time.

And when the inertia block 400 applies an acting force to the control rod F12, the unidirectional damping structure F14 does not work, so that the first control valve F1 or the second control valve F2 is guaranteed to respond and switch on quickly. The unidirectional damping structure F14 is a conventional technology, and will not be described herein.

More preferably, the outer end of the control rod F12 of the direct-acting two-position two-way valve is provided with an end plate F13, so as to facilitate the collision of the inertia block 400.

And a spring member is disposed between the inertial mass 400 and the lower seat plate 125a, so that the inertial mass 400 is conveniently reset and stays at the middle position of the two end plates F13.

In this embodiment, a wrench (not shown) extending outside the lower seat plate 125a is preferably provided on the inertial mass 400, and the inertial mass 400 can be forced to actively touch the end plate F13 and the control rod F12 by the wrench, so as to realize manual resetting of the oil-gas damping system and the upper seat plate 125 b. Under normal conditions, the inertia impact probability caused by deceleration and acceleration is equivalent, and the piston in the oil cylinder 300 moves left and right in the stroke of the piston, so that automatic resetting or balancing is realized. However, when the number or frequency of inertial shocks caused by acceleration and deceleration is different, the piston is caused to stay at one of its extreme positions, for example, the rod chamber 311 is compressed to the minimum, and at this time, the damping by the rod chamber 311 is not possible. To solve such a problem, the inertia block 400 is moved by a wrench to touch the control rod F12 of the second control valve F2, the oil in the rodless chamber 312 flows back to the oil reservoir YX, and simultaneously, the first pilot valve X1 is opened and the oil is inputted into the rod chamber 311 due to the negative pressure condition of the rod chamber 311, thereby resetting the oil cylinder 300.

Example 4

Referring to fig. 12, this embodiment is basically the same in structure as embodiment 3, except that: the embodiment further comprises a third oil supply branch GZ3 and a fourth oil supply branch GZ4, wherein one end of the third oil supply branch GZ3 is connected with the oil supply main path ZG, and the other end is connected with the rod cavity 311; one end of the fourth oil supply branch line GZ4 is connected to the oil supply main line ZG, and the other end is connected to the rodless cavity 312;

the third and fourth oil supply branches GZ3 and GZ4 are provided with a third and fourth control valve F3 and F4, respectively. The third control valve F3 and the fourth control valve F4 are direct-acting two-position two-way valves described in embodiment 3.

Specifically, the input end of the third control valve F3 is connected to the oil supply main passage ZG, and the output end of the third control valve F3 is connected to the rod-shaped cavity 311; the input end of the fourth control valve F4 is connected with the oil supply main path ZG, and the output end of the fourth control valve F4 is connected with the rod cavity 311.

The piston rod 320 is provided with a limit baffle 321, a third control rod F12 on the third control valve F3 and a fourth control rod F12 on the fourth control valve F4 are arranged along the X direction (the telescopic direction of the piston rod 320), and the ends of the third control rod F12 and the fourth control rod F12 are respectively arranged at two ends of the moving path of the limit baffle 321.

When the piston rod 320 moves to the first limit position (left limit position), the limit baffle 321 touches the third control rod F12, the third control valve F3 is opened, oil is input into the rod cavity 311, and the piston moves towards the rodless cavity 312 under the action of hydraulic pressure; when the piston rod 320 moves the second limit position (right limit position), the limit baffle 321 touches the fourth control rod F12, the fourth control valve F4 is opened, oil is input into the rodless cavity 312, and the piston moves toward the rod cavity 311 under the action of hydraulic pressure.

The unidirectional damping structures F14 on the third control valve F3 and the fourth control valve F4 control the reset time of the control rod F12, namely the time when the control oil is input into the rod cavity 311 and the rodless cavity 312, after the control rod F12 is completely reset under the action of the reset spring F11, the third control valve F3 or the fourth control valve F4 is closed, the oil stops being input, and the piston stays at the middle part of the cylinder body 310 approximately.

Compared with embodiment 3, the present embodiment can automatically reset cylinder 300 and upper seat plate 125b, and prepare for the next buffering. The degree of automation is high, and initiative shock attenuation is effectual.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims

1. An airborne ICU rescue device is characterized by comprising a combined frame, a stretcher, an infusion pump and an oxygen supply system;

2. The on-board ICU rescue device of claim 1, wherein the foam pad has a vest-type harness and a leg-securing harness mounted thereon.

3. The on-board ICU rescue device of claim 1, wherein the first and second bed board portions each include two back support arms and a bed board, the two back support arms being located on opposite sides of the bed board in a length direction thereof, respectively;

4. The on-board ICU rescue device of claim 3, wherein the stretcher further comprises a first wheel, the stretcher body is provided with a lifting rod, and a plurality of the first wheels are arranged below the stretcher body; the bed board is also provided with a guide groove for guiding the first wheel of the stretcher, so that the stretcher can move along the guide groove, and the length direction of the guide groove is parallel to the length direction of the bed board.

5. The on-board ICU rescue device of claim 3, wherein the backside support arm is further secured with a stretcher securing plate configured for detachable securing connection with the stretcher by screws.

6. The on-board ICU rescue device of claim 2, wherein the first riser has a power source mounted thereon.

7. The on-board ICU rescue device of claim 2, further comprising a device hanger connected to the upright and configured to be flipped down.

8. The on-board ICU rescue device of claim 7, wherein the device hanger comprises a hanger body, a peripheral device rack is slidably disposed on the hanger body, the peripheral device rack comprises a base plate and a curved clamping plate having a clamping groove structure, two curved clamping plates are disposed on one side of the base plate, and a first locking member is disposed on the other opposite side of the base plate.

9. The on-board ICU rescue device of claim 8, wherein the curved card forms a slot structure that hangs from an upper side of the hanger body; the first locking piece comprises a cam structure and a handle, wherein the handle is fixedly connected with the cam structure, and when the handle rotates, the cam structure can be rotated, so that the cam structure locks or loosens the lower side edge of the hanger body.

10. A rescue aircraft employing the on-board ICU rescue device of any one of claims 1-9.