CN201782897U

CN201782897U - Self-balancing rescue stretcher

Info

Publication number: CN201782897U
Application number: CN2010202939825U
Authority: CN
Inventors: 农克俭; 王翰杰; 付函; 赵雷; 何文敏
Original assignee: China Agricultural University
Current assignee: China Agricultural University
Priority date: 2010-08-17
Filing date: 2010-08-17
Publication date: 2011-04-06
Anticipated expiration: 2020-08-17

Abstract

The utility model discloses a self-balancing rescue stretcher, which comprises a bed body (3) and a frame (4). The self-balancing rescue stretcher is characterized in that two retractable curved rails form the body of the frame (4), and the bed body (3) is supported on the retractable curved rails of the frame (4) via two groups of pulleys so that the bed body can slide continuously on the retractable curved rails. The self-balancing rescue stretcher has the advantages that when rescue workers pass through slops or stairs, the stretcher can keep balance and the rescue workers can keep standing naturally and do not need to take time to correct posture; the rescue stretcher can keep balance stably and reliably so as to avoid secondary hurt to the wounded due to impaction; and by the aid of the retractable rails, self-balancing amplitude of the stretcher is increased greatly while volume of the stretcher is reduced.

Description

Self-balancing rescue stretcher

Technical field

This utility model relates to a kind of novel rescue stretcher, be a kind of in the open air the rescue in utilize wounded's self gravitation to keep equilibrated stretcher, belong to armarium technique with the apparatus field.

Background technology

China is that frequent country takes place a natural disaster, and the rescue work after the disaster is the top priority that we face.The rescue stretcher is just applied in war and the pick-up operation at ordinary times widely as a kind of Basic Rescue instrument of transporting the sick and wounded.Mainly contain simple and easy stretcher (as scoop stretcher, Folding stretcher), common stretcher, semi-automatic stretcher etc. on the market now.The light weight of simple and easy stretcher, simple to operate, low price, but the speed of transhipment is subjected to the restriction of operator's muscle power; Though stretcher is more laborsaving than simple and easy stretcher, because technical conditions are had relatively high expectations, so the operator must have certain operant skill, and quality is bigger, and price is more expensive, to the conditional request harshness of landform.

The many massifs in earthquake-stricken area center on, and are with a varied topography, have inconvenient traffic, and cause very big difficulty to disaster relief work, and stretcher commonly used or stretcher act on very limited in this case.Because the massif gradient is steep, road conditions are complicated, in order to keep the balance of support body, the rescue process not only needs more number, and the rescue personnel also needs to pay very big strength, and the rescue process more slowly and easily causes the secondary injury to the wounded.

Summary of the invention

At above-mentioned the deficiencies in the prior art, the purpose of this utility model is that a kind of self-balancing stretcher that is applicable to open-air rescue will be provided, and runs into the rescue personnel that stretcher can keep balance automatically under the situation of mountain region, slope, stair, to solve above-mentioned deficiency.

In order to achieve the above object, the technical solution adopted in the utility model is: self-balancing rescue stretcher comprises a body, support body, it is characterized in that, described support body main body is two scalable arc orbits, described bed body, can slide on scalable arc orbit to guarantee the bed body on the scalable arc orbit of support body continuously by two groups of pulley support.

In the above-mentioned self-balancing rescue stretcher; two ends at described bed body are fixed with protection mechanism; this protection mechanism comprises the protection catch; bolt; this bolt will protect catch to be rotatably mounted to a body two ends; one end of protection catch matches with described pulley the scalable arc orbit of support body is embedded in wherein, guarantees can not break away from from track in the pulley rolling process.

In the above-mentioned self-balancing rescue stretcher, the other end of two protection catch of the same end of described bed body both sides connects by extension spring.

In the above-mentioned self-balancing rescue stretcher, described catch and fix between the bolt of this catch torsion spring has been installed.

In the above-mentioned self-balancing rescue stretcher, two telescopic rails that are connected by spacing rope in described scalable arc orbit comprises arc orbit and is located at this arc orbit.

In the above-mentioned self-balancing rescue stretcher, described telescopic rail contacts with the inwall of described arc orbit by two eccentric truckles.

The beneficial effects of the utility model are: when 1, the rescue personnel was through abrupt slope or stair, stretcher can keep autobalance, and the rescue personnel also can keep nature upright, need not effort and corrected attitude.2, self-balancing stable action secondary reliable, that avoid impacting the wounded injures.3, scalable track has increased the self-balancing amplitude greatly and has reduced the stretcher volume simultaneously.

Description of drawings

Fig. 1 is self-balancing rescue stretcher structure sketch map;

Fig. 2 is self-balancing rescue stretcher working state schematic representation;

Fig. 3 is the protection mechanism structural representation of self-balancing rescue stretcher;

Fig. 4 is the scalable arc orbit structural representation of self-balancing rescue stretcher.

Among the figure: 1 is arc orbit; 2 is pulley; 3 is the bed body; 4 is support body; 5 is protection mechanism; 6 are the protection catch; 7 is bolt; 8 are extension spring; 9 is truckle; 10 is telescopic rail; 11 is spacing rope; 12 are the retaining head; 13 is handle.

Specific embodiments

With reference to the accompanying drawings this utility model is described further below.

As shown in Figure 1; self-balancing rescue stretcher is made up of support body 4, bed body 3, pulley 2 and the protection mechanism 5 of stretcher; support body 4 comprises two scalable arc orbits and the two ends handle 13 that grips for the rescue personnel; scalable arc orbit comprises arc orbit 1 and telescopic rail 10 (see figure 4)s that are located in the arc orbit 1, and handle 13 is fixed on the two ends of arc orbit 1.Protection mechanism 5 and bed body 3 link together; protection catch 6 (see figure 3)s in the protection mechanism 5 and the pulley 2 that is installed on the body are embedded in the scalable arc orbit of support body wherein; when moving on the scalable arc orbit of bed body 3 at support body 4; protection catch 6 just interacts with support body; stop bed body 3 to break away from, play a protective role from support body 4.

Fig. 2 is self-balancing rescue stretcher working state schematic representation.Go up a slope or during descending (right-hand member is in low position) running into, bed body 3 is along with the arc orbit of support body 4 tilts gradually, the center of circle of deviation of gravity center support body 4 arc orbits of bed body 3.When the angle of inclination of bed body 3 greater than from the locking angle, bed body 3 will be along with pulley 2 slides on the arc orbit 1 of support body 4 under action of gravity, when pulley 2 is run into the retaining 12 of telescopic rail 10 ends, telescopic rail 10 in the arc orbit 1 will be under the effect of pulley outward movment, reach new equilbrium position up to bed body 3.

Fig. 3 is the protection mechanism structural representation.Protection mechanism 5 and bed body 3 link together, and move with 3 motions of implantation body.Protection catch 6 in the protection mechanism 5 can rotate freely around connecting bolt 7, and the protection catch 6 of bed body 3 same end both sides relies on extension spring 8 to connect.When protection catch 6 runs into the handle 13 of support body 4, will rotate to avoid handle around bolt 7 under the effect in power, make a body 3 can arrive the equilbrium position smoothly.After avoiding handle 13, protection catch 6 restPoses under the effect of extension spring 8, continues to realize defencive function.

Extension spring 8 in the technique scheme can be replaced by the torsion spring that is installed between every cover bolt and the protection catch; when the protection catch 6 in the protection mechanism runs into the handle 13 of support body 4, will rotate to avoid handle around bolt 7 under the effect in power, make a body 3 can arrive the equilbrium position smoothly.After avoiding handle, protection catch 6 restPoses under the effect of torsion spring, continues to realize defencive function.

As shown in Figure 4, scalable arc orbit comprises arc orbit 1 and telescopic rail 10.Telescopic rail 10 contacts with the inwall of arc orbit 1 by two eccentric truckles 9, has reduced frictional force, makes motion steadily.Two telescopic rails 10 in the same track connect by spacing rope 11 (as steel wire rope), the flexible track 10 at two ends is spacing mutually under the effect of steel wire rope, make telescopic rail 10 in motor process, can not skid off arc orbit 1, thereby guarantee when bed body 3 moves to certain angle, stop the bed body to skid off the arc orbit of support body along with telescopic rail 10.

The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from this utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a self-balancing rescue stretcher comprises: bed body, support body, it is characterized in that, described support body main body is two scalable arc orbits, and described bed body, can slide on described scalable arc orbit to guarantee the bed body on the scalable arc orbit of support body continuously by two groups of pulley support.

2. self-balancing rescue stretcher according to claim 1; it is characterized in that; two ends at described bed body are fixed with protection mechanism; this protection mechanism comprises the protection catch; bolt; this bolt will protect catch to be rotatably mounted to a body two ends, and an end of protection catch matches with described pulley the scalable arc orbit of support body is embedded in wherein.

3. self-balancing rescue stretcher according to claim 1 and 2 is characterized in that, the other end of two protection catch of the same end of described bed body both sides connects by extension spring.

4. according to claims 1 or 2 described self-balancings rescue stretchers, it is characterized in that described catch and fix between the bolt of this catch torsion spring has been installed.

5. according to claims 1 or 2 described self-balancing rescue stretchers, it is characterized in that two telescopic rails that are connected by spacing rope in described scalable arc orbit comprises arc orbit and is located at this arc orbit.

6. according to claims 5 described self-balancing rescue stretchers, it is characterized in that described telescopic rail contacts with the inwall of described arc orbit by two eccentric truckles.