CN111297570A - Stretcher vehicle for railway construction and overhaul site and application thereof - Google Patents
Stretcher vehicle for railway construction and overhaul site and application thereof Download PDFInfo
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- CN111297570A CN111297570A CN202010106223.1A CN202010106223A CN111297570A CN 111297570 A CN111297570 A CN 111297570A CN 202010106223 A CN202010106223 A CN 202010106223A CN 111297570 A CN111297570 A CN 111297570A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/013—Stretchers foldable or collapsible
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/052—Struts, spars or legs
- A61G1/056—Swivelling legs
- A61G1/0565—Swivelling legs simultaneously folding, e.g. parallelogram structures
- A61G1/0567—Swivelling legs simultaneously folding, e.g. parallelogram structures folding in x-shape
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/42—General characteristics of devices characterised by sensor means for inclination
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2220/00—Adaptations of particular transporting means
- A61G2220/12—Trains
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2220/00—Adaptations of particular transporting means
- A61G2220/14—Cars
Abstract
The invention relates to a stretcher vehicle for a railway construction overhaul site and application thereof, wherein the stretcher vehicle comprises an outer side stretcher body, a middle stretcher body, an inner side stretcher body and a chassis; the inner stretcher body is positioned in the middle stretcher body, one end of the inner stretcher body is hinged with the middle stretcher body, and the bottom of the inner stretcher body is connected with the middle stretcher body through a self-balancing device; the middle stretcher body is detachably connected with the outer stretcher body; the outer stretcher body is connected with the chassis through a lifting folding device, and the bottom of the chassis is provided with a common wheel and a rail walking device; the self-balancing device and the lifting folding device are controlled by a control device on the chassis. The stretcher vehicle can select the most suitable traveling mode according to different road surfaces, the rail wheels are selected during the railway track, the common wheels are selected on the common road surface, and medical care personnel are selected on the rugged and uneven road surface to lift and travel until the stretcher vehicle reaches the side of the ambulance, the traveling mode in the whole process of transporting the patients is not invariable, and the stretcher vehicle can meet the traveling requirements of different road surfaces.
Description
Technical Field
The invention relates to a stretcher vehicle for a railway construction overhaul site and application thereof, belonging to the technical field of medical equipment.
Background
The stretcher is the important rescue instrument who transports wounded, disease, but traditional stretcher is often inconvenient when the railway construction overhauls the on-the-spot use, and the railway section is located the not convenient area of other modes of transportation mostly on the one hand, and railway construction overhauls personnel injured back, the ambulance can't pass through the highway and arrive the injured place, and on the other hand the topography is jolt not level around the railway, carries wounded in-process, because the stretcher slope causes secondary damage to wounded easily, influences life safety even.
Chinese patent document CN107137181A discloses a multipurpose outdoor stretcher cart, which comprises a stretcher mechanism, a support mechanism and a leg mechanism, wherein the stretcher mechanism is connected with the leg mechanism through the support mechanism; the support leg mechanism comprises a support leg frame, a universal wheel and a crawler wheel, the top end of the support leg frame is movably connected with the support mechanism through an upper-end bidirectional ratchet wheel, the lower end of the support leg frame is L-shaped, one side end of the L-shaped frame is connected with the universal wheel, the inner side of the other side end of the L-shaped frame is connected with the crawler wheel through a lower-end bidirectional ratchet wheel, and the crawler wheel can rotate around the lower end of the support leg frame or can be locked and. The stretcher cart adopts a foldable stretcher mechanism, a telescopic handrail and a universal wheel design, and meets the requirements of passage corners of different carriers, elevators and other small space traffic; the crawler wheel is designed to realize the functions of going upstairs and downstairs and passing through the wild regions such as sand beaches, muddy pavements and the like; the two-way ratchet wheel is adopted to control the leg support and the crawler wheel, different operation modes and stretcher posture switching are implemented, and different operation functions are completed.
However, the stretcher cart has a relatively complex structure and high manufacturing cost, and simultaneously adopts the crawler wheel design, so that the stretcher cart has a heavy volume, and cannot realize quick, light and safe transfer of the sick and wounded on a railway construction and overhaul site.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the stretcher for the railway construction overhaul field, which has scientific and reasonable structural design, is light and convenient to use, can quickly and safely transfer wounded persons, and does not cause secondary damage to the wounded persons.
The invention also provides a use method of the stretcher for the railway construction overhaul site.
The technical scheme of the invention is as follows:
a stretcher vehicle for a railway construction overhaul site comprises an outer stretcher body, a middle stretcher body, an inner stretcher body and a chassis;
the inner stretcher body is positioned in the middle stretcher body, one end of the inner stretcher body is hinged with the middle stretcher body, and the bottom of the inner stretcher body is connected with the middle stretcher body through a self-balancing device;
the middle stretcher body and the outer stretcher body form detachable connection through a threaded sleeve;
the outer stretcher body is connected with the chassis through a lifting folding device, and the bottom of the chassis is provided with a common wheel and a rail walking device;
the chassis is provided with a control device, and the self-balancing device and the lifting and folding device are controlled by the control device.
Preferably, the self-balancing device comprises a self-balancing electric push rod and an inclination angle sensor, two ends of the self-balancing electric push rod are respectively hinged with the middle stretcher body and the inner side stretcher body, the inclination angle sensor is installed below the middle stretcher body, and the inclination angle sensor and the self-balancing electric push rod are respectively connected with the control device. The advantage of this design is, through the inclination of inclination inductor real-time supervision stretcher to give controlling means with data transmission, adjust the working angle of self-balancing electric putter by controlling means again, make inboard stretcher body be in the horizontality all the time, avoid the sick and wounded from inboard stretcher body landing, cause the secondary damage.
Preferably, the stretcher body on the inner side comprises a basic frame on the inner side, a spongy cushion and an anti-slip belt, the spongy cushion and the anti-slip belt are installed on the basic frame on the inner side, and one end of the basic frame on the inner side is hinged to the stretcher body on the middle side through a bearing.
Preferably, the anti-slip strap is a snap-in elastic strap.
Preferably, the middle stretcher body comprises a middle basic frame, guard rails are arranged on two sides of the middle basic frame, and lifting handles are arranged at two ends of the middle basic frame.
Preferably, the outer stretcher body comprises an outer basic frame, the outer basic frame and the middle basic frame are provided with threaded sleeves, and connection or disconnection is realized through relative rotation of the sleeves. The advantage of this design is, through threaded sleeve's connection, can realize the erection joint between middle basic frame and the basic frame in outside, through threaded sleeve's dismantlement, can realize the independence of middle basic frame, makes things convenient for the rescue personnel to lift the stretcher on the ambulance.
Preferably, the lifting and folding device comprises a long transverse rod, a short transverse rod, support rods, a middle transverse rod and an electric push rod, groove-shaped slideways are correspondingly arranged at two ends of the outer basic frame and the chassis, the two support rods are hinged through an intermediate shaft, the end parts of the support rods at two sides are connected through the long transverse rod and the short transverse rod, the two ends of the long transverse rod are respectively connected with the groove-shaped slideways, the two ends of the electric push rod are respectively connected with the long transverse rod and the short transverse rod, and the electric push rod is connected and controlled by; the outside basic frame is also provided with a lifting folding control button.
Preferably, the rail running gear comprises a transverse telescopic rod, a longitudinal telescopic frame and rail wheels, the transverse telescopic rod is telescopic in the chassis and connected through a fixing pin, the longitudinal telescopic frame can move up and down at the end part of the transverse telescopic rod and is connected through a fixing pin, and the rail wheels are installed at the bottom end of the longitudinal telescopic frame. The advantage of this design is, adjusts horizontal telescopic link and can reach the same width of rail, adjusts vertical expansion bracket and can make the rail wheel be less than ordinary wheel, avoids ordinary wheel influence to travel on the railway track.
Preferably, the control device is a PLC.
A using method of a stretcher vehicle for a railway construction and overhaul site is characterized in that the stretcher vehicle is placed on a railway in advance, and when a patient appears, the using method comprises the following steps:
(1) placing the patient on the sponge pad and fixing the patient by an anti-slip binding band;
(2) according to different road conditions, different traveling modes are selected:
the medical staff pushes the stretcher vehicle to move along the railway;
or the chassis is lifted and folded by the lifting and folding control button, the stretcher is lifted by medical personnel to move, and the control device can adjust the self-balancing device in the moving process, so that the sick and wounded of the inner side stretcher body are in a horizontal state, and the inclined sliding is avoided;
or the chassis is propped open and falls down by the lifting folding control button, the longitudinal expansion bracket is adjusted to enable the rail wheel to be higher than the common wheel, the medical staff pushes the stretcher vehicle to advance along the ground, and in the advancing process, the control device can adjust the self-balancing device to enable the sick and wounded of the inner side stretcher body to be in a horizontal state and avoid the inclined sliding;
(3) when the ambulance arrives at the ambulance parking place, the middle stretcher body is separated from the outer stretcher body by rotating the threaded sleeve, and the middle stretcher body and the inner stretcher body are directly placed on the ambulance together with the sick and wounded.
The invention has the beneficial effects that:
1) the stretcher vehicle solves the problem that a sick and wounded person cannot be quickly and effectively transported when an accident occurs in a railway construction and overhaul field (an ambulance cannot reach the accident site due to traffic problems).
2) The stretcher vehicle can select the most appropriate traveling mode according to different traffic road conditions, for example, when the ambulance is far away from an accident site, the ambulance can travel along a railway firstly, and for a rugged road, the ambulance can be lifted by medical personnel to travel, and when the ambulance is used for leveling the road, the ambulance can be pushed by using common wheels, so that the stretcher vehicle has multiple purposes and high efficiency.
3) The stretcher vehicle adopts the self-balancing device to fix the sick and wounded on the inner stretcher body, and the inclination angle of the inner stretcher body can be adjusted through the self-balancing device, so that the sick and wounded are ensured to be in a horizontal state in the conveying process, and secondary injury caused by inclination and sliding is avoided.
4) According to the stretcher vehicle, the middle stretcher body and the outer stretcher body are detachably connected, when a sick and wounded person is conveyed beside the ambulance, the middle stretcher body and the inner stretcher body can be directly placed on the ambulance together with the sick and wounded person, the sick and wounded person does not need to be carried to the stretcher of the ambulance from one stretcher, the possibility of the sick and wounded person to be thrown is reduced, and meanwhile, precious rescue time is saved.
5) The stretcher vehicle is scientific and reasonable in structural design, is made of a frame structure and light materials, is light and convenient, adopts the control device to realize automatic adjustment, and is simple to operate, convenient to use, obvious in effect and remarkable in effect.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic structural view of the inner carrier body of the present invention;
FIG. 3 is a schematic diagram of the mechanism of the lifting and folding device of the present invention;
FIG. 4 is a schematic diagram of the mechanism of the self-balancing device of the present invention;
fig. 5 is a schematic structural view of the rail running gear of the present invention.
Wherein: 1-outer stretcher body, 2-middle stretcher body, 3-inner stretcher body, 4-bearing, 5-lifting folding control button, 6-lifting folding device, 7-self-balancing device, 8-control device, 9-rail walking device, 10-common wheel, 11-chassis, 12-threaded sleeve, 31-anti-slip band, 32-inner basic frame, 33-sponge cushion, 61-short cross bar, 62-long cross bar, 63-support bar, 64-middle cross bar, 65-electric push rod, 71-self-balancing electric push rod, 72-inclination angle sensor, 91-longitudinal telescopic frame, 92-fixed pin, 93-transverse telescopic rod and 94-rail wheel.
Detailed Description
The present invention will be further described by way of examples, but not limited thereto, with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 5, the present embodiment provides a stretcher vehicle for a railway construction overhaul site, which includes an outer stretcher body 1, an intermediate stretcher body 2, an inner stretcher body 3 and a chassis 11;
the inner stretcher body 3 is positioned inside the middle stretcher body 2, one end of the inner stretcher body 3 is hinged with the middle stretcher body 2, and the bottom of the inner stretcher body 3 is connected with the middle stretcher body 2 through a self-balancing device 7;
the middle stretcher body 2 and the outer stretcher body 1 form detachable connection through a threaded sleeve;
the outer stretcher body 1 is connected with the chassis 11 through a lifting folding device 6, and the bottom of the chassis 11 is provided with a common wheel 10 and a rail walking device 9;
the chassis 11 is provided with a control device 8, and the self-balancing device 7 and the lifting and folding device 6 are controlled by the control device 8.
Specifically, the outer stretcher body 1, the middle stretcher body 2 and the inner stretcher body 3 are all made of light pipe frame structures, and are light in weight and simple in structure. The outer stretcher body 1 mainly comprises two long pipes, the middle stretcher body 2 mainly comprises two long pipes and two side guard rails, and the inner stretcher body 3 mainly comprises a steel cuboid frame.
Wherein, self-balancing unit 7 includes self-balancing electric putter 71 and inclination inductor 72, and the both ends of self-balancing electric putter 71 are articulated with middle stretcher body 2, inboard stretcher body 3 respectively, and inclination inductor 72 installs in middle stretcher body 2 below, and inclination inductor 72 and self-balancing electric putter 71 are connected with controlling means 8 respectively. The inclination angle of the stretcher is monitored in real time through the inclination angle sensor 72, data are transmitted to the control device 8, and then the working angle of the self-balancing electric push rod 71 is adjusted by the control device, so that the inner side stretcher body 3 is always in a horizontal state, and secondary injury caused by the fact that a sick and wounded person slips from the inner side stretcher body 3 is avoided.
The inner stretcher body 3 comprises an inner basic frame 32, a spongy cushion 33 and an anti-slip belt 31, the spongy cushion 33 and the anti-slip belt 31 are installed on the inner basic frame 32, the inner basic frame 32 is a steel cuboid frame, and one end of the inner basic frame 32 is hinged with the middle stretcher body 2 through a bearing. When the self-balancing electric push rod 71 works, the inner basic frame 32 can rotate around the bearing end, so that the pose of the inner basic frame 32 is adjusted, and the sick and wounded are kept in a horizontal state.
The anti-slip belt 31 is a buckle type elastic belt, and the number of the anti-slip belt is two, so that the anti-slip belt can play a role in fixing a patient.
The middle stretcher body 2 comprises a middle basic frame which is two long tubes, the inner side stretcher body 3 is positioned between the two long tubes, guard rails are arranged on two sides of the middle basic frame to prevent a patient from falling, and lifting handles are arranged at two ends of the middle basic frame to lift the middle stretcher body 2 by medical personnel.
The outer stretcher body 1 comprises an outer basic frame, wherein threaded sleeves are arranged on the outer basic frame and the middle basic frame, and the outer basic frame and the middle basic frame can be installed or disassembled through relative rotation of the sleeves.
Two groups of lifting folding devices 6 are arranged between the outer stretcher body 1 and the chassis 11, each lifting folding device 6 comprises a long cross rod 62, a short cross rod 61, support rods 63, a middle cross rod 64 and an electric push rod 65, groove-shaped slideways are correspondingly arranged at two ends of the outer stretcher body 1 and the chassis 11, and the two support rods 63 are hinged through a middle shaft to form a cross folding effect. The end parts of the support rods 63 on the two sides are connected through a long transverse rod 62 and a short transverse rod 61, the two ends of the long transverse rod 62 are respectively connected with a groove-shaped slideway, the two ends of an electric push rod 65 are respectively connected with the long transverse rod 62 and the short transverse rod 61, the electric push rod 65 is installed on the chassis 11, and the electric push rod 65 is connected and controlled by the control device 8; the outer basic frame 1 is also provided with a lifting folding control button 5, the operation of an electric push rod 65 is operated through the lifting folding control button 5, and the electric push rod 65 pushes the long cross rod 62 to slide in the groove-shaped slide way, so that the lifting operation of the chassis 11 is realized.
In this embodiment, the control device 8 selects a PLC, the PLC controls the self-balancing electric push rod 71, the tilt angle sensor 72 transmits the monitored real-time data to the PLC, and the PLC controls the work of the self-balancing electric push rod 71 according to a preset program, so that the inner stretcher body 3 is kept in a horizontal posture, and secondary injury caused by accidental slipping of a patient is avoided.
Example 2:
the use method of the stretcher vehicle for the railway construction and overhaul site, which is described in the embodiment 1, is characterized in that the stretcher vehicle is placed on a railway track in advance, and when a patient appears, the specific operation process is as follows:
(1) the stretcher vehicle is pushed to an accident site along a railway track, then the stretcher vehicle is folded and falls down through a lifting and folding control button 5, and a patient is placed on a spongy cushion 33 and fixed by an anti-slip belt 31;
(2) according to different road conditions, different traveling modes are selected:
if the ambulance can not reach the accident site and the ambulance has a railway track away from the accident site, the stretcher is supported by the lifting and folding control button 5, and the medical staff pushes the stretcher to move along the railway until the place nearest to the ambulance;
then different advancing modes are selected again according to different road conditions, when the road conditions are not good, the chassis 11 is lifted and folded through the lifting and folding control button 5, the stretcher is lifted by medical personnel to advance, and in the advancing process, the control device can adjust the self-balancing device 7, so that the sick and wounded of the inner side stretcher body 3 are in a horizontal state, and the inclined sliding is avoided; if the road conditions are good, the chassis 11 is propped open and falls down by the lifting folding control button 5, the longitudinal expansion bracket 91 is adjusted to enable the rail wheel 94 to be higher than the common wheel 10, the medical personnel pushes the stretcher vehicle to move along the ground, and in the moving process, the control device 8 can adjust the self-balancing device 7 to enable the sick and wounded of the inner stretcher body 3 to be in a horizontal state to avoid inclining and sliding;
(3) when arriving at the ambulance parking place, the middle stretcher body 2 is separated from the outer stretcher body 1 by rotating the sleeve with the screw thread, and the middle stretcher body 2 and the inner stretcher body 3 are directly put on the ambulance together with the sick and wounded, so that the sick and wounded do not need to be moved.
In the embodiment, the most suitable travelling mode can be selected according to different road surfaces, the rail wheels are selected during railway tracks, the common wheels are selected on common road surfaces, medical workers are selected on rugged and uneven road surfaces to lift and run until the stretcher arrives beside an ambulance, the travelling mode in the whole process of transporting the patients is not invariable, and the stretcher can meet the travelling requirements of different road surfaces.
Claims (10)
1. A stretcher vehicle for a railway construction overhaul site is characterized by comprising an outer stretcher body, a middle stretcher body, an inner stretcher body and a chassis;
the inner stretcher body is positioned in the middle stretcher body, one end of the inner stretcher body is hinged with the middle stretcher body, and the bottom of the inner stretcher body is connected with the middle stretcher body through a self-balancing device;
the middle stretcher body and the outer stretcher body form detachable connection through a threaded sleeve;
the outer stretcher body is connected with the chassis through a lifting folding device, and the bottom of the chassis is provided with a common wheel and a rail walking device;
the chassis is provided with a control device, and the self-balancing device and the lifting and folding device are controlled by the control device.
2. The stretcher vehicle for railway construction and overhaul sites as claimed in claim 1, wherein the self-balancing device comprises a self-balancing electric push rod and a tilt angle sensor, two ends of the self-balancing electric push rod are respectively hinged with the middle stretcher body and the inner stretcher body, the tilt angle sensor is installed below the middle stretcher body, and the tilt angle sensor and the self-balancing electric push rod are respectively connected with the control device.
3. The stretcher vehicle for use in railway construction service sites as claimed in claim 1 wherein said inner stretcher body comprises an inner base frame, a foam pad and a fall-preventing strap, the foam pad and the fall-preventing strap being mounted on the inner base frame, one end of the inner base frame being hinged to the intermediate stretcher body by a bearing.
4. The stretcher for railway construction and repair sites of claim 3 wherein the anti-slip strap is a snap-in elastic strap.
5. The stretcher vehicle for railway construction and overhaul sites as claimed in claim 1, wherein the middle stretcher body comprises a middle basic frame, guard rails are arranged on two sides of the middle basic frame, and lifting handles are arranged on two ends of the middle basic frame.
6. The stretcher vehicle for use in railway construction and overhaul sites as claimed in claim 5, wherein the outer stretcher body comprises an outer base frame, the outer base frame and the middle base frame being provided with a threaded sleeve, the connection or disconnection being achieved by relative rotation of the sleeve.
7. The stretcher vehicle for the railway construction and overhaul site as claimed in claim 6, wherein the lifting and folding device comprises a long cross bar, a short cross bar, support bars, a middle cross bar and an electric push bar, wherein two ends of the outer basic frame and the chassis are correspondingly provided with groove-shaped slideways, the two support bars are hinged through a middle shaft, the end parts of the support bars at two sides are connected through the long cross bar and the short cross bar, two ends of the long cross bar are respectively connected with the groove-shaped slideways, two ends of the electric push bar are respectively connected with the long cross bar and the short cross bar, and the electric push bar is connected and controlled by a control device; the outside basic frame is also provided with a lifting folding control button.
8. The stretcher for railway construction and repair sites of claim 1 wherein the rail running gear comprises a transverse telescopic bar, a longitudinal telescopic bar and rail wheels, the transverse telescopic bar being telescopic in the chassis and connected by fixing pins, the longitudinal telescopic bar being movable up and down at the ends of the transverse telescopic bar and connected by fixing pins, the rail wheels being mounted at the bottom end of the longitudinal telescopic bar.
9. The stretcher vehicle for railway construction and overhaul sites as claimed in claim 1, wherein the control device is a PLC.
10. A method of using the stretcher for railway construction and overhaul sites according to any one of claims 1 to 9, wherein the stretcher is placed on a railway in advance, and when a sick and wounded person appears, the method comprises the following steps:
(1) placing the patient on the sponge pad and fixing the patient by an anti-slip binding band;
(2) according to different road conditions, different traveling modes are selected:
the medical staff pushes the stretcher vehicle to move along the railway;
or the chassis is lifted and folded by the lifting and folding control button, the stretcher is lifted by medical personnel to move, and the control device can adjust the self-balancing device in the moving process, so that the sick and wounded of the inner side stretcher body are in a horizontal state, and the inclined sliding is avoided;
or the chassis is propped open and falls down by the lifting folding control button, the longitudinal expansion bracket is adjusted to enable the rail wheel to be higher than the common wheel, the medical staff pushes the stretcher vehicle to advance along the ground, and in the advancing process, the control device can adjust the self-balancing device to enable the sick and wounded of the inner side stretcher body to be in a horizontal state and avoid the inclined sliding;
(3) when the ambulance arrives at the ambulance parking place, the middle stretcher body is separated from the outer stretcher body by rotating the threaded sleeve, and the middle stretcher body and the inner stretcher body are directly placed on the ambulance together with the sick and wounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010106223.1A CN111297570A (en) | 2020-02-21 | 2020-02-21 | Stretcher vehicle for railway construction and overhaul site and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010106223.1A CN111297570A (en) | 2020-02-21 | 2020-02-21 | Stretcher vehicle for railway construction and overhaul site and application thereof |
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| CN111297570A true CN111297570A (en) | 2020-06-19 |
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| CN202010106223.1A Pending CN111297570A (en) | 2020-02-21 | 2020-02-21 | Stretcher vehicle for railway construction and overhaul site and application thereof |
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Application publication date: 20200619 |