CN109944540B - Integrated multifunctional ladder for field medical treatment - Google Patents
Integrated multifunctional ladder for field medical treatment Download PDFInfo
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- CN109944540B CN109944540B CN201910189909.9A CN201910189909A CN109944540B CN 109944540 B CN109944540 B CN 109944540B CN 201910189909 A CN201910189909 A CN 201910189909A CN 109944540 B CN109944540 B CN 109944540B
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- 238000013016 damping Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000001802 infusion Methods 0.000 description 2
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- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
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Abstract
The invention provides an integrated multifunctional ladder for field medical use, which is provided with a ladder frame, wherein a main body frame of the ladder frame consists of two main rods and a group of U-shaped supporting plates, a group of rotatable pedals are arranged in the middle of the ladder frame, the pedals are made of door-shaped bent plates, the inner sides of the door-shaped bent plates are hinged with a plurality of rollers, the left side and the right side of each pedal are provided with linkage rods, the left side and the right side of the pedal at the forefront are hinged with draw hooks, the top surfaces of rod bodies of the two main rods are respectively provided with a foldable handrail, the outer sides of the rod bodies of the two main rods are respectively hinged with a supporting rod which can be rotatably fixed at any angle and can be telescopically adjusted, and the outer sides of the rod bodies at the front end and the rear end of the two main rods are respectively provided with a supporting wheel which can be accommodated. The invention has very rich integrated functions, can be used as a step for walking by personnel, can be used as a roller slideway for unloading and can also be used as a stretcher or a goods flat trailer by selectively unfolding or folding the parts, thereby being particularly suitable for the modern field medical requirements.
Description
Technical Field
The invention relates to a ladder, in particular to an integrated multifunctional ladder for field medical use, and belongs to the technical field of medical transport means.
Background
In the process of executing tasks, a field medical team needs to use a ladder when people go up and down a field X-ray diagnosis vehicle, a field operation vehicle or a transport vehicle back box, and at present, the ladder distributed by the army mainly has two types: one is a straight pedal ladder with a fixed shape, and the other is a foldable pedal ladder. The I-shaped pedal ladder is firm in structure and simple to operate, but the function is single, the size is large, the occupied space is more when the ladder is stored, and the level cannot be adjusted when the ladder meets a field rugged road surface, so that the balance of people for getting on and off the ladder is influenced. The foldable pedal ladder is basically in a plane when being folded, saves storage space, is inconvenient to operate when being unfolded and folded, is easy to cause non-fight personnel relief accidents that fingers of an operator are clamped by the ladder, and has single function. Furthermore, both types of ladders lack protective armrests, and when a disabled patient walks on both types of ladders, care is required to prevent the patient from falling off the ladder and causing secondary injury.
In addition, as the field medical treatment requires strong maneuverability, the equipment of the field medical team can be simplified as much as possible when the field medical team goes out, and an auxiliary loading and unloading tool is not independently arranged, when medical materials are transported to and from a transportation vehicle, the traditional mode of carrying on the shoulder of multiple people is basically adopted at present, so that the method is laborious and time-consuming, and if huge and overweight materials are encountered, accidents of falling off the materials and injuring people are easy to occur.
Therefore, it is hoped to develop an integrated multifunctional ladder for field medical treatment, which is convenient to carry, quick to unfold and fold, applicable to various complex landform environments, convenient for medical staff and sick and wounded to act, and also can be used for assisting in carrying articles, and can be used as a cargo flatbed trailer and a stretcher bed to meet the requirements of modern field medical treatment.
Disclosure of Invention
The invention aims to provide an integrated multifunctional ladder for field medical treatment, which solves the problems that the existing army distribution ladder is single in function, more in use defects, not suitable for the requirements of modern field medical treatment and the like.
The specific technical scheme adopted by the invention is as follows:
an integrated multifunctional ladder for field medical use is provided with a ladder frame, wherein a main body frame of the ladder frame consists of two main rods which are transversely arranged at intervals and a group of U-shaped supporting plates which are longitudinally arranged at intervals, and the U-shaped supporting plates are fixedly bridged at the bottoms of the two main rods; the front end heads of the two main rods are respectively provided with a hook, the rear end heads of the two main rods are respectively provided with an anti-slip universal foot cup capable of adjusting lifting, and the inner side surfaces of the rod bodies at the front ends of the two main rods are respectively provided with a group of hanging nails which are outwards paid; a group of rotatable pedals which are longitudinally arranged are arranged between the two main rods in the middle of the ladder frame, and a certain interval is arranged between the pedals, so that the pedals do not interfere with each other when rotating; the pedals are made of door-shaped bent plates, the inner sides of the door-shaped bent plates are hinged with a plurality of rollers which are longitudinally arranged, the top surfaces of the door-shaped bent plates form the front surfaces of the pedals, the conveying surfaces of the rollers form the back surfaces of the pedals, the front ends of the pedals are movably connected between the two main rods through hinge shafts on the left side and the right side, the left side and the right side of the pedals are respectively provided with a linkage rod, the linkage rods are provided with a plurality of hinge points and are respectively hinged with each pedal through the hinge points, so that all the pedals can keep synchronous rotation; when the pedal rotates to form an included angle of 0 degree or 180 degrees with the main rod, the rear end of the pedal is supported by the U-shaped supporting plate; the left side and the right side of the pedal at the forefront end are respectively hinged with a rotatable draw hook, when the pedal rotates to form an included angle of 40-60 degrees with the main rods, the hook heads of the draw hooks are hung and buckled on corresponding hanging nails of the two main rods, and the draw hooks are used for pulling and fixing the rear end of the pedal; the top surfaces of the rod bodies of the two main rods are respectively provided with a foldable handrail; the outer sides of the rod bodies of the two main rods are respectively hinged with a supporting rod which can be rotationally fixed at any angle and can be telescopically adjusted, and one side of the front end of the supporting rod is provided with a fork frame which is outwards disbursed; the outer sides of the rod bodies at the front end and the rear end of the two main rods are respectively provided with a supporting wheel which can be rotated and stored by 90 degrees.
The pedal is characterized in that the top surface of the door-shaped bent plate on the front side of the pedal is provided with anti-slip patterns, the edge of the top surface of the door-shaped bent plate is also provided with a circle of LED lamp strips, a power supply is arranged for supplying power to the LED lamp strips, the LED lamp strips are lightened at night, the outline position of the pedal can be indicated, and walking staff is prevented from falling down when stepping on the pedal.
The support rod is provided with an outer pipe and an inner pipe, one end of the outer pipe is hinged to the outer side face of the main rod through a damping rotating shaft, the other end of the outer pipe is movably sleeved with the inner pipe, a locking screw for locking the telescopic position of the inner pipe is further arranged on the outer pipe, the fork frame is arranged at the front end of the inner pipe, and an anti-slip pad foot is further arranged at the end head of the front end of the inner pipe.
The fork frame adopts a ┤ -shaped structure and is fixedly connected to the inner pipe, so that a double-sided hook with the upper end and the lower end capable of being used is formed, and the double-sided hook is used in different occasions.
The supporting wheel comprises a supporting rod and a wheel, the wheel is movably connected to the lower end of the supporting rod, a positioning pin is arranged on the supporting rod, a positioning hole matched with the positioning pin is formed in the position, forming an included angle of 0 DEG and 90 DEG with the supporting rod, of the main rod, and the folding or unfolding state of the supporting wheel is locked by the positioning pin.
The foldable handrail is provided with a row of vertical rods and a cross rod which are arranged in parallel at intervals, the lower ends of the vertical rods are hinged to the upper side face of the main rod body, and the upper ends of the vertical rods are hinged to the cross rod; the upper end of the vertical rod at the rearmost end is fixedly provided with a clamping seat, a clamping hole is arranged in the clamping seat, a clamping block matched with the clamping seat is fixedly arranged on the cross rod, the lower end of the clamping block is provided with a telescopic clamping nail matched with the clamping hole of the clamping seat, and the clamping block is also provided with a handle for controlling the telescopic state of the clamping nail, thereby forming a locking mechanism.
The integrated multifunctional ladder is convenient to carry, rapid to assemble and disassemble, applicable to various complex landform environments and convenient for medical staff and sick and wounded to move, and more importantly, the integrated multifunctional ladder is very rich in functions, can be used as a step for walking by staff and a roller slideway for unloading and can be used as a stretcher bed or a cargo flatbed trailer by selectively expanding or folding parts of the integrated multifunctional ladder, so that the integrated multifunctional ladder is particularly suitable for modern field medical requirements.
Drawings
Fig. 1 is a schematic view of the integrated multifunctional ladder when used as a step for walking by a person.
Fig. 2 is a schematic view of the integrated multi-functional ladder in use as a roller chute for unloading.
Fig. 3 is a schematic view of the integrated multifunctional ladder when fully folded.
Fig. 4 is a schematic view of the integrated multi-functional ladder in use as a stretcher.
Fig. 5 is a schematic view of the integrated multi-functional ladder in use as a cargo flatbed trailer.
Fig. 6 is a schematic view of a ladder frame.
Fig. 7 is a schematic view of the pedal with the front side up.
FIG. 8 is a schematic view of the pedal with the reverse side facing upward.
Fig. 9 is a partial enlarged view of a in fig. 4.
Fig. 10 is a schematic view of a retractor.
Fig. 11 is a schematic view of a linkage rod.
Fig. 12 is a schematic view of the support bar.
Fig. 13 is a schematic view of a collapsible armrest.
Fig. 14 is a partial enlarged view of B in fig. 13.
In the figure: 1-ladder frame, 1.1-main rod, 1.2-U-shaped supporting plate, 1.3-hook, 1.4-anti-slip universal foot cup, 1.5-hanging nail, 1.6-locating hole, 2-pedal, 2.1-door-shaped bent plate, 2.2-roller, 2.3-anti-slip line, 2.4-LED lamp strip, 3-linkage rod, 4-drag hook, 5-foldable handrail, 5.1-vertical rod, 5.2-cross rod, 5.3-clamping seat, 5.4-clamping hole, 5.5-clamping block, 5.6-clamping nail, 5.7-handle, 6-supporting rod, 6.1-fork frame, 6.2-outer tube, 6.3-inner tube, 6.4-locking screw, 6.5-anti-slip pad foot, 7-supporting wheel, 7.1-supporting rod, 7.2-wheel and 7.3-locating pin.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-14, the integrated multifunctional ladder is provided with a ladder frame 1, wherein a main body frame of the ladder frame 1 consists of two main rods 1.1 which are transversely arranged at intervals and a group of U-shaped supporting plates 1.2 which are longitudinally arranged at intervals, and the U-shaped supporting plates 1.2 are fixedly bridged at the bottoms of the two main rods 1.1; the front end heads of the two main rods 1.1 are respectively provided with a hook 1.3, the rear end heads of the two main rods 1.1 are respectively provided with an anti-slip universal foot cup 1.4 which can be lifted and lowered in an adjustable manner, and the inner side surfaces of the rod bodies at the front ends of the two main rods 1.1 are respectively provided with a group of hanging nails 1.5 which are outwards paid; a group of rotatable pedals 2 which are longitudinally arranged are arranged between the two main rods 1.1 in the middle of the ladder frame 1, and a certain interval is arranged between the pedals 2, so that the pedals 2 do not interfere with each other when rotating; the pedal 2 is made of a door-shaped bent plate 2.1, the inner side of the door-shaped bent plate 2.1 is hinged with a plurality of rollers 2.2 which are longitudinally arranged, the top surface of the door-shaped bent plate 2.1 forms the front surface of the pedal 2, the conveying surface of the rollers 2.2 forms the back surface of the pedal 2, the front end of each pedal 2 is movably connected between two main rods 1.1 through hinge shafts on the left side and the right side, the left side and the right side of the pedal 2 are respectively provided with a linkage rod 3, and the linkage rods 3 are provided with a plurality of hinge points and are respectively hinged with each pedal 2 through the hinge points, so that all the pedals 2 keep synchronous rotation; when the pedal 2 rotates to form an included angle of 0 degrees or 180 degrees with the main rod 1.1, the rear end of the pedal 2 is supported by the U-shaped supporting plate 1.2; the left side and the right side of the pedal 2 at the forefront end are respectively hinged with a rotatable draw hook 4, when the pedal 2 rotates to form an included angle of 40-60 degrees with the main rod 1.1, the hook heads of the draw hooks 4 are hung and buckled on the corresponding hanging nails 1.5 of the two main rods 1.1, and the draw hooks 4 are used for pulling and fixing the rear end of the pedal 2;
the top surfaces of the rod bodies of the two main rods 1.1 are respectively provided with a foldable handrail 5; the foldable handrail 5 is provided with a row of vertical rods 5.1 and a cross rod 5.2 which are arranged at intervals in parallel, the lower end of the vertical rod 5.1 is hinged to the upper side face of the rod body of the main rod 1.1, the upper end of the vertical rod 5.1 is hinged to the cross rod 5.2, a clamping seat 5.3 is fixedly arranged at the upper end of the vertical rod 5.1 at the rearmost end, a clamping hole 5.4 is formed in the clamping seat 5.3, a clamping block 5.5 matched with the clamping seat 5.3 is fixedly arranged on the cross rod 5.2, a telescopic clamping nail 5.6 matched with the clamping hole 5.4 of the clamping seat 5.3 is arranged at the lower end of the clamping block 5.5, and a handle 5.7 for controlling the telescopic state of the clamping nail 5.6 is further arranged on the clamping block 5.5.
The outer sides of the rod bodies of the two main rods 1.1 are respectively hinged with a supporting rod 6 which can be rotationally fixed at any angle and can be telescopically adjusted, and one side of the front end of the supporting rod 6 is provided with a fork frame 6.1 which is outwards paid out; the bracing piece 6 is equipped with outer tube 6.2 and inner tube 6.3, and the one end of outer tube 6.2 articulates on the lateral surface of mobile jib 1.1 through the damping pivot, and inner tube 6.3 has been cup jointed in the activity of the other end of outer tube 6.2, still is equipped with on the outer tube 6.2 to the telescopic position of inner tube 6.3 carries out locking screw 6.4, and fork arm 6.1 sets up the front end at inner tube 6.3, and the end of inner tube 6.3 front end still is equipped with anti-skidding pad foot 6.5. The fork frame 6.1 adopts a ┤ -shaped structure and is fixedly connected to the inner pipe 6.3, so that a double-sided hook with usable upper and lower ends is formed for different occasions.
The outer sides of the rod bodies at the front end and the rear end of the two main rods 1.1 are respectively provided with a supporting wheel 7 which can be rotated and stored by 90 degrees. The supporting wheel 7 comprises a supporting rod 7.1 and wheels 7.2, the wheels 7.2 are movably connected to the lower ends of the supporting rod 7.1, positioning pins 7.3 are arranged on the supporting rod 7.1, positioning holes 1.6 matched with the positioning pins 7.3 are formed in the position, forming an included angle of 0 degrees and 90 degrees with the supporting rod 7.1, of the main rod 1.1, and the folding or unfolding state of the supporting wheel 7 is locked by the positioning pins 7.3.
The positive door shape bent plate 2.1 top surface of footboard 2 is equipped with anti-skidding line 2.3, and the edge of door shape bent plate 2.1 top surface still is equipped with round LED lamp area 2.4 to be furnished with the power and supply for LED lamp area 2.4, light LED lamp area 2.4 when night, can instruct the contour position of footboard 2, prevent that the walking personnel from stepping on the sky and falling down.
The folding state of the integrated multifunctional ladder is shown in fig. 3, at the moment, the pedal 2 is turned over to form an included angle of 0 degrees with the main rod 1.1, the pedal 2 faces upwards and is arranged into a plane, the hook head of the draw hook 4 is in a unhooked state, the draw hook 4 is contained in a gap between the pedal 2 and the main rod 1.1, and at the moment, the integrated multifunctional ladder can be used as a hand-lifting stretcher.
When the integrated multifunctional ladder is unfolded and used as a step for walking by a person, as shown in fig. 1, the front end head hook 1.3 of the main rod 1.1 of the ladder frame 1 is hung at a proper position on the edge of an automobile, so that the ladder frame 1 is leaned against the edge of the automobile, and the adjusting nut of the anti-slip universal foot cup 1.4 at the rear end head of the main rod 1.1 is adjusted, so that the ladder frame 1 can be effectively supported even on uneven ground; the linkage rod 3 is operated to enable the pedal 2 to synchronously rotate to a horizontal position, at the moment, according to the inclination angle of the ladder frame 1, the pedal 2 and the main rod 1.1 form an included angle of 40-60 degrees, the hook heads of the draw hook 4 are hung and buckled on the hanging nails 1.5 corresponding to the two main rods 1.1, and the draw hook 4 pulls and fixes the rear end of the pedal 2; the cross rod 5.2 of the foldable handrail 5 on the main rod 1.1 is pushed upwards, so that the foldable handrail 5 is erected until the vertical rod 5.1 and the main rod 1.1 form a 90-degree included angle, and at the moment, the clamping nails 5.6 at the lower end of the clamping blocks 5.5 of the foldable handrail 5 extend into the clamping holes 5.4 of the clamping seats 5.3, thereby locking the position of the foldable handrail 5. When necessary, the supporting rod 6 can be rotated to a proper position, the telescopic length of the supporting rod is adjusted and locked, so that the supporting rod 6 and the ladder frame 1 form a herringbone support, and the support is firmer.
The foldable handrail 5 is operated in the step state of fig. 1, the clamping nails 5.6 at the lower ends of the clamping blocks 5.5 are controlled by the clamping handles 5.7 to be separated from the clamping holes 5.4 of the clamping seats 5.3, and meanwhile, the cross bars 5.2 are pressed to the rear side, so that the foldable handrail 5 can be folded and put down; the hook heads of the draw hooks 4 are separated from the hanging nails 1.5 of the two main rods 1.1, the linkage rod 3 is operated to enable the pedals 2 to synchronously rotate to form an included angle of 180 degrees with the main rods 1.1, the rollers 2.2 on the back surfaces of the pedals 2 face upwards, the back surfaces of the pedals 2 face upwards and are arranged into a continuous roller slideway, and the integrated multifunctional ladder can be used as the roller slideway for unloading, as shown in figure 2.
The foldable handrail 5 is operated to be pulled up and locked in the folded state of fig. 3, the positioning pins 7.3 of the supporting wheels 7 locked at the O-degree position are withdrawn, the supporting rods 7.1 are rotated downwards by 90 degrees, the four supporting wheels 7 are unfolded to be right below, and then the positioning pins 7.3 are used for locking, so that the integrated multifunctional ladder can be used as a stretcher bed, as shown in fig. 4, one supporting rod 9 can be rotated upwards to be in a vertical state as an infusion rod when necessary, the supporting rod 9 can be fixed at the vertical position due to the rotation characteristic of the damping rotating shaft, the telescopic length of the supporting rod can be adjusted and locked, and an infusion bottle can be hung at the upper end of the fork frame 6.1 of the supporting rod 9.
Under the furled state of fig. 3, the four supporting wheels 7 are unfolded to the right lower part, then the two supporting rods 9 are rotated to the side front position, the lower ends of the fork frames 6.1 of the supporting rods 9 are hung at the proper positions of the tail parts of the automobiles, and the integrated multifunctional ladder can be used as a cargo flat trailer, and as shown in fig. 5, cargoes can be stacked and placed on a plane formed by splicing the front surfaces of the pedals 2.
The above-described drawings illustrate only typical embodiments of the invention and are therefore not to be considered limiting of its scope, for the invention may admit to other equally effective alternatives and modifications, without departing from the spirit and principles of the invention.
Claims (4)
1. An integrated multifunctional ladder for field medical use, which is characterized in that: the integrated multifunctional ladder is provided with a ladder frame (1), a main body frame of the ladder frame (1) consists of two main rods (1.1) which are transversely arranged at intervals and a group of U-shaped supporting plates (1.2) which are longitudinally arranged at intervals, and the U-shaped supporting plates (1.2) are fixedly connected with the bottoms of the two main rods (1.1) in a bridging mode; the front end heads of the two main rods (1.1) are respectively provided with a hook (1.3), the rear end heads of the two main rods (1.1) are respectively provided with an anti-slip universal foot cup (1.4) which can be lifted and lowered, and the inner side surfaces of the rod bodies at the front ends of the two main rods (1.1) are respectively provided with a group of hanging nails (1.5) which are outwards paid; a group of rotatable pedals (2) which are longitudinally arranged are arranged between the two main rods (1.1) at the middle part of the ladder frame (1), and a certain interval is arranged between the pedals (2), so that the pedals (2) do not interfere with each other when rotating; the pedal (2) is made of a door-shaped bent plate (2.1), a plurality of rollers (2.2) which are longitudinally arranged are hinged to the inner side of the door-shaped bent plate (2.1), the top surface of the door-shaped bent plate (2.1) forms the front surface of the pedal (2), the conveying surface of the rollers (2.2) forms the back surface of the pedal (2), the front end of each pedal (2) is movably connected between two main rods (1.1) through hinge shafts on the left side and the right side, a linkage rod (3) is further arranged on the left side and the right side of the pedal (2), and the linkage rod (3) is provided with a plurality of hinge points and is hinged to each pedal (2) through the hinge points respectively, so that all pedals (2) can keep synchronous rotation; when the pedal (2) rotates to form an included angle of 0 degrees or 180 degrees with the main rod (1.1), the U-shaped supporting plate (1.2) supports the rear end of the pedal (2); the left side and the right side of the pedal (2) at the forefront are respectively hinged with a rotatable draw hook (4), when the pedal (2) rotates to form an included angle of 40-60 degrees with the main rod (1.1), the hook heads of the draw hooks (4) are hung and buckled on the corresponding hanging nails (1.5) of the two main rods (1.1), and the draw hooks (4) are used for pulling and fixing the rear end of the pedal (2); the top surfaces of the rod bodies of the two main rods (1.1) are respectively provided with a foldable handrail (5); the outer sides of the rod bodies of the two main rods (1.1) are respectively hinged with a supporting rod (6) which can be rotationally fixed at any angle and can be telescopically adjusted, and one side of the front end of the supporting rod (6) is provided with a fork frame (6.1) which is outwards paid out; support wheels (7) which can be rotated and stored by 90 degrees are respectively arranged at the outer sides of the rod bodies at the front end and the rear end of the two main rods (1.1);
the top surface of a door-shaped bent plate (2.1) on the front surface of the pedal (2) is provided with anti-skid patterns (2.3), the edge of the top surface of the door-shaped bent plate (2.1) is also provided with a circle of LED lamp strips (2.4), and a power supply is arranged for supplying power to the LED lamp strips (2.4);
the support rod (6) is provided with an outer tube (6.2) and an inner tube (6.3), one end of the outer tube (6.2) is hinged to the outer side face of the main rod (1.1) through a damping rotating shaft, the other end of the outer tube (6.2) is movably sleeved with the inner tube (6.3), the outer tube (6.2) is further provided with a locking screw (6.4) for locking the telescopic position of the inner tube (6.3), the fork frame (6.1) is arranged at the front end of the inner tube (6.3), and the end head of the front end of the inner tube (6.3) is further provided with an anti-slip pad foot (6.5).
2. The integrated multi-function ladder of claim 1, wherein: the fork frame (6.1) adopts a ┤ -shaped structure and is fixedly connected to the inner tube (6.3), so that a double-sided hook with usable upper and lower ends is formed.
3. The integrated multi-function ladder of claim 1, wherein: the supporting wheel (7) comprises a supporting rod (7.1) and wheels (7.2), wherein the wheels (7.2) are movably connected to the lower end of the supporting rod (7.1), positioning pins (7.3) are arranged on the supporting rod (7.1), positioning holes (1.6) matched with the positioning pins (7.3) are formed in the positions, forming 0-degree and 90-degree included angles with the supporting rod (7.1), of the main rod (1.1), and the folding or unfolding states of the supporting wheel (7) are locked by the positioning pins (7.3).
4. The integrated multi-function ladder of claim 1, wherein: the foldable handrail (5) is provided with a row of vertical rods (5.1) and a cross rod (5.2) which are arranged in parallel at intervals, the lower end of the vertical rod (5.1) is hinged on the upper side surface of the rod body of the main rod (1.1), and the upper end of the vertical rod (5.1) is hinged on the cross rod (5.2); a clamping seat (5.3) is fixedly arranged at the upper end of a vertical rod (5.1) at the rearmost end, a clamping hole (5.4) is formed in the clamping seat (5.3), a clamping block (5.5) matched with the clamping seat (5.3) is fixedly arranged on a cross rod (5.2), a telescopic clamping nail (5.6) matched with the clamping hole (5.4) of the clamping seat (5.3) is arranged at the lower end of the clamping block (5.5), and a handle (5.7) for controlling the telescopic state of the clamping nail (5.6) is further arranged on the clamping block (5.5), so that a locking mechanism is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189909.9A CN109944540B (en) | 2019-03-13 | 2019-03-13 | Integrated multifunctional ladder for field medical treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910189909.9A CN109944540B (en) | 2019-03-13 | 2019-03-13 | Integrated multifunctional ladder for field medical treatment |
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| CN109944540A CN109944540A (en) | 2019-06-28 |
| CN109944540B true CN109944540B (en) | 2024-01-12 |
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| CN201910189909.9A Active CN109944540B (en) | 2019-03-13 | 2019-03-13 | Integrated multifunctional ladder for field medical treatment |
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| CN111904198A (en) * | 2020-08-13 | 2020-11-10 | 浙江广厦建设职业技术大学 | Dual-purpose ladder |
| CN112431393A (en) * | 2020-11-24 | 2021-03-02 | 北京无线电测量研究所 | Portable foldable lifting platform |
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| CN115354958A (en) * | 2022-08-23 | 2022-11-18 | 中车长春轨道客车股份有限公司 | Novel passenger emergency taking-off and landing ladder for motor train unit |
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| CN201684094U (en) * | 2010-05-31 | 2010-12-29 | 华南理工大学 | Portable multifunctional stretcher |
| CN201814744U (en) * | 2010-09-19 | 2011-05-04 | 上海理工大学 | Folding ambulance stretcher ladder with bottle hanging bracket |
| CN104487040A (en) * | 2012-06-21 | 2015-04-01 | 泰斯驰公司 | Light weight multi use collapsible stretcher |
| CN210049813U (en) * | 2019-03-13 | 2020-02-11 | 中国人民解放军联勤保障部队第九二三医院 | Integrated multifunctional ladder for field medical treatment |
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| US11020293B2 (en) * | 2016-08-01 | 2021-06-01 | Stryker Corporation | Multi-function person handling equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201684094U (en) * | 2010-05-31 | 2010-12-29 | 华南理工大学 | Portable multifunctional stretcher |
| CN201814744U (en) * | 2010-09-19 | 2011-05-04 | 上海理工大学 | Folding ambulance stretcher ladder with bottle hanging bracket |
| CN104487040A (en) * | 2012-06-21 | 2015-04-01 | 泰斯驰公司 | Light weight multi use collapsible stretcher |
| CN210049813U (en) * | 2019-03-13 | 2020-02-11 | 中国人民解放军联勤保障部队第九二三医院 | Integrated multifunctional ladder for field medical treatment |
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