CN109820653B - Stretcher quick connection supporting device suitable for high-altitude rescue platform - Google Patents
Stretcher quick connection supporting device suitable for high-altitude rescue platform Download PDFInfo
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- CN109820653B CN109820653B CN201910132924.XA CN201910132924A CN109820653B CN 109820653 B CN109820653 B CN 109820653B CN 201910132924 A CN201910132924 A CN 201910132924A CN 109820653 B CN109820653 B CN 109820653B
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- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The application discloses a stretcher quick connection supporting device suitable for a high-altitude rescue platform, which comprises a connecting rod assembly; the connecting rod assembly comprises a limiting mechanism, a connecting rod, a lower connecting seat and a locking mechanism; the connecting rod comprises an upper connecting seat, a middle connecting rod and a lower connecting taper pin which are sequentially connected from top to bottom; the bottom end of the stretcher is connected with a taper pin, and the taper pin is connected with an upper connecting seat at the upper end of the connecting rod; the lower connecting seat is connected to the bottom plate of the high-altitude rescue platform and is connected with a lower connecting taper pin at the lower end of the connecting rod through a taper pin; the limiting mechanism is inserted into the upper connecting seat and the taper pin through the limiting pin shaft to limit the relative position between the taper pin and the connecting rod, so that the reliable connection between the taper pin and the connecting rod is realized; the locking mechanism is hinged with the connecting rod; the locking mechanism is inserted into the lower connecting seat through the lower end of the pressing plate, so that the connecting rod and the lower connecting seat are locked. The rescue stretcher can be quickly connected and detached from the high-altitude rescue platform, so that the rescue time is saved, and the rescue efficiency is improved.
Description
Technical Field
The application belongs to the technical field of engineering machinery, and particularly relates to a stretcher quick connection supporting device suitable for a high-altitude rescue platform.
Background
The country is more and more paying attention to fire control and emergency rescue, and high-altitude operation and high-altitude rescue vehicles are rapidly emerging. At present, vehicles for high-altitude rescue are mainly climbing platform fire fighting, scaling ladder fire fighting vehicles, multifunctional rescue vehicles and the like.
The high-altitude rescue vehicles are provided with high-altitude rescue platforms, the high-altitude rescue platforms are moved to rescue positions by extending the arm support in the rescue process, trapped people are placed into the high-altitude rescue platforms by special firefighting rescue workers, the arm support is retracted to place the high-altitude rescue platforms on the ground, the people to be rescued are placed onto the ground from the high-altitude rescue platforms, and high-altitude rescue is completed. If the person to be saved is not injured, the rescue process is relatively simple, but if the person to be saved is an injured person, the person to be saved is prevented from being secondarily injured in the rescue process, the general method is that the injured person lies on a stretcher, a fire-fighting rescue worker manually lifts the stretcher in a high-altitude rescue platform and falls on the ground to rescue, therefore, the quick fixing of the stretcher in the high-altitude rescue platform is very important, the lifting fire-fighting truck at present fixes the stretcher on one side of the top of the high-altitude rescue platform, the arm support is stressed laterally, and the safety is also poor because the stretcher is outside the high-altitude rescue platform.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the application provides the quick stretcher connecting and supporting device suitable for the high-altitude rescue platform.
The technical scheme is as follows: in order to solve the technical problems, the application adopts the following technical scheme:
a stretcher quick connection supporting device suitable for a high-altitude rescue platform comprises a connecting rod assembly;
the connecting rod assembly comprises a limiting mechanism, a connecting rod, a lower connecting seat and a locking mechanism;
the connecting rod comprises an upper connecting seat, a middle connecting rod and a lower connecting taper pin which are sequentially connected from top to bottom;
the bottom end of the stretcher is connected with a taper pin, and the taper pin is used for being connected with an upper connecting seat at the upper end of the connecting rod;
the lower connecting seat is connected to the bottom plate of the high-altitude rescue platform and is used for being connected with a lower connecting taper pin at the lower end of the connecting rod to realize taper pin connection;
the limiting mechanism comprises a limiting pin shaft, and is used for inserting the upper connecting seat and the taper pin through the limiting pin shaft, limiting the relative position between the taper pin and the connecting rod, and realizing reliable connection of the taper pin and the connecting rod;
the locking mechanism is hinged with the connecting rod through a hinge piece and can rotate around a hinge point; the locking mechanism comprises a pressing plate, the lower end of the pressing plate is inserted into the lower connecting seat, and locking of connection between the connecting rod and the lower connecting seat is achieved.
Furthermore, the stretcher quick connection supporting device suitable for the high-altitude rescue platform is characterized in that the upper connecting seat is provided with a conical hole matched with the conical pin; the taper pin can be inserted into a taper hole of the upper connecting seat to realize plug-in connection;
the lower connecting seat is provided with a conical hole matched with the lower connecting taper pin; the lower connecting taper pin can be inserted into the taper hole of the lower connecting seat to realize plug-in connection.
Furthermore, the stretcher quick connection supporting device suitable for the high-altitude rescue platform is characterized in that an annular groove is formed in the circumferential direction of the taper pin and is used for being matched with the limiting pin shaft.
Further, the stretcher quick connection supporting device suitable for the high-altitude rescue platform is characterized in that an annular groove is formed in the circumferential direction of the lower connecting seat and used for being matched with the lower end of the pressing plate.
Further, the limiting mechanism further comprises a shell, an end cover and a spring;
one end of the shell is fixedly connected to the circumferential side of the upper connecting seat, and the other end of the shell is connected with the end cover; the spring is sleeved on the limiting pin shaft, one end of the spring is pressed on the limiting pin shaft baffle plate, and the other end of the spring is pressed on the end cover;
the upper connecting seat is provided with a pin shaft hole at a position corresponding to the limiting pin shaft, and the inner side of the pin shaft hole is communicated with the conical hole of the upper connecting seat;
the conical end of the limiting pin shaft is inserted into the pin shaft hole, and the other end of the limiting pin shaft penetrates through the shell and is positioned outside the end cover; the limiting function is relieved by pulling the limiting pin shaft outwards; after the tensile force is released, under the action of the elastic force of the spring, the conical end of the limiting pin shaft penetrates through the pin shaft hole of the upper connecting seat to be clamped into the annular groove of the conical pin, so that the limiting is realized.
More preferably, the limiting mechanism further comprises a ball head, the ball head is in threaded connection with the other end of the limiting pin shaft, the horizontal movement of the limiting pin shaft is achieved by pulling the ball head horizontally outwards, and the limiting function is relieved; after the tensile force is released, the conical end of the limiting pin shaft is inserted into the annular groove of the taper pin under the action of the elastic force of the spring, so that the limiting is realized.
More preferably, the end cap is in threaded connection with the housing.
Further, the locking mechanism further comprises a torsion spring, a second hinge plate and a pin shaft;
the middle connecting rod is connected with a first hinged plate,
the pressing plate is connected with a second hinge plate, the hinge holes of the first hinge plate and the hinge holes of the second hinge plate penetrate through a pin shaft to hinge, and a torsion spring is coaxially sleeved on the pin shaft; one end of the torsion spring is pressed against the upper part of the pressing plate, and the other end of the torsion spring is pressed against the middle connecting rod.
When pressure is applied to the upper end of the pressing plate, the locking mechanism rotates clockwise around the pin shaft, at the moment, the lower end of the pressing plate is separated from the annular groove of the lower connecting seat, and locking between the lower connecting taper pin and the lower connecting seat is released. When the pressure applied to the upper end of the pressing plate is relieved, the locking mechanism rotates anticlockwise around the pin shaft under the action of the torsion spring, and at the moment, the lower end of the pressing plate is inserted into the annular groove of the lower connecting seat, so that locking between the lower connecting taper pin and the lower connecting seat is realized.
Further, the stretcher quick connection supporting device comprises more than two groups of taper pins and connecting rod assemblies.
More preferably, four taper pins are uniformly connected to the bottom end of the stretcher, and the stretcher can be supported more stably by matching with four groups of connecting rod assemblies.
The beneficial effects are that: the quick connection supporting device for the stretcher, which is suitable for the high-altitude rescue platform, provided by the application, has the advantages that the quick connection supporting device can be quickly installed and removed in the high-altitude rescue platform, when a wounded person is not needed to be rescued, the quick connection supporting device can be quickly pulled out, the space of the high-altitude rescue platform is not occupied, when the wounded person is needed to be rescued by the stretcher, the quick connection supporting device can be quickly inserted, the stretcher is supported, the operation is simple, and the rescue efficiency is improved. In addition, the rescue stretcher is arranged in the high-altitude rescue platform in a centering manner, the stress is balanced, the unbalanced load force is not generated on the arm support, and meanwhile, the rescue stretcher is in the high-altitude operation platform, so that the safety is good. Has the following advantages:
(1) According to the quick connection supporting device suitable for the high-altitude rescue platform stretcher, when wounded persons are rescued in high altitude, firefighters can support the manned stretcher through the quick connection supporting device, the quick connection supporting device is convenient to install and detach, and high in rescue efficiency.
(2) The quick connection supporting device adopts the conical pin shaft for plugging, the plugging mode is simple, and meanwhile, the spring pin shaft is adopted for limiting and locking, so that the quick connection supporting device has the advantages of simplicity in operation, high switching speed, safety and reliability in connection and the like.
Drawings
FIG. 1 is a schematic view of a quick connect support for a stretcher for an overhead rescue platform;
FIG. 2 is a schematic view of a quick connect support for a stretcher;
FIG. 3 is an exploded view of the quick connect support of the stretcher;
FIG. 4 is a schematic illustration of a connecting rod assembly connection;
FIG. 5 is a cross-sectional view of the connecting rod assembly;
FIG. 6 is a schematic diagram of a connecting rod assembly with a lower connecting seat diagram;
FIG. 7 is an enlarged view of a portion of the link assembly spacing mechanism;
fig. 8 is an enlarged partial view of the locking mechanism of the linkage assembly.
In the figure: stretcher 1, taper pin 2, connecting rod assembly 3, high altitude rescue platform 4;
the limiting mechanism 31, the limiting pin shaft 311, the shell 312, the ball 313, the end cover 314 and the spring 315;
the connecting rod 32, the upper connecting seat 321, the middle connecting rod 322, the first hinge plate 323 and the lower connecting taper pin 324;
a lower connecting seat 33;
the locking mechanism 34, the pressing plate 341, the torsion spring 342, the second hinge plate 343, and the pin 344.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. 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.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may also include different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
As shown in fig. 1, 2, 3 and 4, the quick connection supporting device for the stretcher suitable for the high-altitude rescue platform comprises more than two groups of connecting rod assemblies 3; the connecting rod assembly 3 comprises a limiting mechanism 31, a connecting rod 32, a lower connecting seat 33 and a locking mechanism 34;
the connecting rod 32 comprises an upper connecting seat 321, a middle connecting rod 322 and a lower connecting taper pin 324 which are sequentially connected from top to bottom;
the bottom end of the stretcher 1 is connected with a taper pin 2, and the taper pin is used for being connected with an upper connecting seat 321 at the upper end of a connecting rod 32;
the lower connecting seat 33 is connected and arranged on the bottom plate of the high-altitude rescue platform 4 and is used for realizing taper pin connection with a lower connecting taper pin 324 at the lower end of the connecting rod 32;
the limiting mechanism 31 comprises a limiting pin shaft 311, and is used for inserting the upper connecting seat 321 and the taper pin 2 through the limiting pin shaft 311, limiting the relative position between the taper pin 2 and the connecting rod 32, and realizing the reliable connection between the taper pin 2 and the connecting rod 32;
the locking mechanism 34 is hinged with the connecting rod 32 through a hinge piece and can rotate around a hinge point; the locking mechanism 34 comprises a pressing plate 341, and the lower end of the pressing plate 341 is inserted into the lower connecting seat 33, so that the connection between the connecting rod 32 and the lower connecting seat 33 is locked.
Further, the upper connecting seat 321 is provided with a tapered hole matched with the taper pin 2; taper pin 2 can be inserted into the taper hole of upper connecting seat 321 to realize plug-in connection;
the lower connecting seat 33 is provided with a conical hole matched with the lower connecting taper pin 324; the lower connection taper pin 324 may be inserted into a tapered hole of the lower connection block 33 to achieve a plug-in connection.
The taper pin 2 is provided with an annular groove in the circumferential direction for being matched with the limit pin shaft 311.
The lower connecting seat 33 is provided with an annular groove in the circumferential direction for being matched with the lower end of the pressing plate 341.
In some embodiments, as shown in fig. 1 and 2, four taper pins 2 are welded at the bottom end of the stretcher 1, the taper pins 2 are connected with a connecting rod 32 in a taper pin manner, the shell of a limiting mechanism 31 is welded with the connecting rod 32, a spring 315 and a limiting pin 311 inside the limiting mechanism 31 are reliably connected with the taper pins 2 and the connecting rod 32, the connecting rod 32 is connected with a lower connecting seat 33 in a taper pin manner, a locking mechanism 34 is connected with the connecting rod 32 by adopting a spring pin, the locking mechanism 34 is connected with the lower connecting seat 33 in a locking manner, and the lower connecting seat 33 is welded with the bottom plate of the high-altitude rescue platform 4.
In some embodiments, as shown in fig. 5 and 7, the limiting mechanism 31 includes a limiting pin 311, a housing 312, a ball 313, an end cap 314, and a spring 315. Wherein the shell 312 is welded with the upper connecting seat 321, the limiting pin shaft 311 is coaxially assembled with the spring 315, one end of the spring 315 is pressed on the pin shaft baffle plate, and the other end is pressed on the end cover 314; the end cover 314 is in external threaded connection with the shell 312, the ball 313 is in threaded connection with one end of the limiting pin 311, and the limiting pin 311 horizontally moves by horizontally pulling the ball 313 outwards, so that the limiting function is relieved; after the tensile force is released, under the action of the elastic force of the spring 315, the conical end of the limiting pin shaft 311 is clamped into the annular groove of the taper pin 2, so that limiting is realized.
As shown in fig. 5 and 6, the connecting rod 32 includes an upper connecting seat 321, a middle connecting rod 322, and a lower connecting taper pin 324. Wherein the upper connecting base 321 is welded with the middle connecting rod 322, the middle connecting rod 322 is welded with the lower connecting taper pin 324, and two first hinge plates 323 are welded on one side of the middle connecting rod 322 in a bilateral symmetry manner. Taper pin 2 can be inserted into the tapered hole of upper connecting seat 321 to realize plug-in connection, and lower connecting taper pin 324 can be inserted into the tapered hole of lower connecting seat 33 to realize plug-in connection. Further, the intermediate link 322 is connected to a first hinge plate 323 for hinge-connecting with the locking mechanism 34.
As shown in fig. 5, 6, and 8, the lock mechanism 34 is composed of a pressing plate 341, a torsion spring 342, a second hinge plate 343, and a pin 344. The two ends of the inner side of the pressing plate 341 are welded with a second hinge plate 343 respectively, and the round hole of the second hinge plate 343, the round hole of the first hinge plate 323 and the round hole of the torsion spring 342 are coaxially connected through a pin 344, so that one end of the torsion spring 342 compresses the pressing plate 341, and the other end compresses the middle connecting rod 322. When pressure is applied to the upper end of the pressing plate 341, the locking mechanism 34 rotates clockwise around the pin 344, and at this time, the lower end of the pressing plate 341 is separated from the annular groove of the lower connection base 33, and the locking between the lower connection taper pin 324 and the lower connection base 33 is released. When the pressure applied to the upper end of the pressing plate 341 is released, the locking mechanism 34 is rotated counterclockwise about the pin 344 by the torsion spring 342, and at this time, the lower end of the pressing plate 341 is inserted into the annular groove of the lower connection seat 33, so that the locking between the lower connection taper pin 324 and the lower connection seat 33 is achieved.
When a fire-fighting rescue person is needed to rescue the person at high altitude, firstly, the stretcher 1 and the connecting rod assembly 3 are installed on the high altitude rescue platform 4 on the ground, secondly, the high altitude rescue platform 4 is lifted to a rescue position, the stretcher 1 is taken out from the connecting rod assembly 3, the wounded person is placed in the stretcher 1, thirdly, the stretcher 1 carrying the wounded person is inserted into the connecting rod assembly 3, the high altitude rescue platform is waited to fall to the ground, meanwhile, the stretcher 1 carrying the wounded person is taken out from the connecting rod assembly 3 and placed on the ground, and finally, the connecting rod assembly 3 is removed, so that rescue is completed.
The method for installing the stretcher 1 and the connecting rod assembly 3 on the high-altitude rescue platform 4 comprises the following steps: firstly, taking out one connecting rod assembly 3, vertically inserting the lower connecting taper pin 324 into the lower connecting seat 33 welded on the bottom plate of the high-altitude rescue platform 4 until the locking mechanism 34 enables the lower end of the pressing plate 341 to be clamped into the annular groove of the lower connecting seat 33 under the action of the torsion spring 342, sequentially connecting the other three connecting rod assemblies 3 according to the same method, then taking out the stretcher 1, vertically inserting the four taper pins 2 welded on the stretcher into the upper connecting seat 321 of the connecting rod assembly 3 until the conical end of the limiting pin 311 of the limiting mechanism 31 is clamped into the annular groove of the taper pin 2, and completing installation.
The method for detaching the stretcher 1 and the connecting rod assembly 3 from the high-altitude rescue platform 4 comprises the following steps: the limit pins 311 of the four limit mechanisms 31 are manually pulled outwards until the conical ends of the limit pins 311 are separated from the annular grooves of the taper pins 2, and the stretcher 1 is lifted upwards. The connecting rod assembly 3 is removed, the upper end of the pressing plate 341 of the locking mechanism 34 is pressed by fingers, the lower end of the pressing plate 341 is moved outwards until the lower end of the pressing plate 341 is separated from the annular groove of the lower connecting seat 33, and the connecting rod assembly 3 is pulled out upwards, so that the disassembly is completed.
The application aims at realizing the purposes by simply combining the replacement arrangement positions of the taper pins, the limiting mechanisms and the locking mechanisms or simply replacing the taper pins, the limiting mechanisms and the locking mechanisms.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present application.
The foregoing is only a preferred embodiment of the application, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the application.
Claims (10)
1. Be suitable for stretcher quick connect support device of high altitude rescue platform, its characterized in that: comprises a connecting rod assembly;
the connecting rod assembly comprises a limiting mechanism, a connecting rod, a lower connecting seat and a locking mechanism;
the connecting rod comprises an upper connecting seat, a middle connecting rod and a lower connecting taper pin which are sequentially connected from top to bottom;
the bottom end of the stretcher is connected with a taper pin, and the taper pin is used for being connected with an upper connecting seat at the upper end of the connecting rod;
the lower connecting seat is connected to the bottom plate of the high-altitude rescue platform and is used for being connected with a lower connecting taper pin at the lower end of the connecting rod to realize taper pin connection;
the limiting mechanism comprises a limiting pin shaft, and is used for inserting the upper connecting seat and the taper pin through the limiting pin shaft, limiting the relative position between the taper pin and the connecting rod, and realizing reliable connection of the taper pin and the connecting rod;
the locking mechanism is hinged with the connecting rod through a hinge piece and can rotate around a hinge point; the locking mechanism comprises a pressing plate, the lower end of the pressing plate is inserted into the lower connecting seat, and locking of connection between the connecting rod and the lower connecting seat is achieved.
2. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the upper connecting seat is provided with a conical hole matched with the conical pin; the taper pin can be inserted into a taper hole of the upper connecting seat to realize plug-in connection;
the lower connecting seat is provided with a conical hole matched with the lower connecting taper pin; the lower connecting taper pin can be inserted into the taper hole of the lower connecting seat to realize plug-in connection.
3. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the taper pin is provided with an annular groove in the circumferential direction and is used for being matched with the limit pin shaft.
4. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the lower connecting seat is provided with an annular groove in the circumferential direction and is used for being matched with the lower end of the pressing plate.
5. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the limiting mechanism further comprises a shell, an end cover and a spring;
one end of the shell is fixedly connected to the circumferential side of the upper connecting seat, and the other end of the shell is connected with the end cover; the spring is sleeved on the limiting pin shaft, one end of the spring is pressed on the limiting pin shaft baffle plate, and the other end of the spring is pressed on the end cover;
the upper connecting seat is provided with a pin shaft hole at a position corresponding to the limiting pin shaft, and the inner side of the pin shaft hole is communicated with the conical hole of the upper connecting seat;
the conical end of the limiting pin shaft is inserted into the pin shaft hole, and the other end of the limiting pin shaft penetrates through the shell and is positioned outside the end cover; the limiting function is relieved by pulling the limiting pin shaft outwards; after the tensile force is released, under the action of the elastic force of the spring, the conical end of the limiting pin shaft penetrates through the pin shaft hole of the upper connecting seat to be clamped into the annular groove of the conical pin, so that the limiting is realized.
6. The quick connect support for a stretcher for an overhead rescue platform according to claim 5, characterized in that: the limiting mechanism further comprises a ball head, the ball head is fixedly connected with the other end of the limiting pin shaft, the movement of the limiting pin shaft is realized by pulling the ball head outwards, and the limiting function is relieved; after the tensile force is released, the conical end of the limiting pin shaft is inserted into the annular groove of the taper pin under the action of the elastic force of the spring, so that the limiting is realized.
7. The quick connect support for a stretcher for an overhead rescue platform according to claim 5, characterized in that: the end cover is in threaded connection with the shell.
8. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the locking mechanism further comprises a torsion spring, a second hinge plate and a pin shaft;
the middle connecting rod is connected with a first hinged plate,
the pressing plate is connected with a second hinge plate, the hinge holes of the first hinge plate and the hinge holes of the second hinge plate penetrate through a pin shaft to hinge, and a torsion spring is coaxially sleeved on the pin shaft; one end of the torsion spring is pressed against the upper part of the pressing plate, and the other end of the torsion spring is pressed against the middle connecting rod.
9. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: the stretcher quick connection supporting device comprises more than two groups of taper pins and connecting rod assemblies.
10. The quick connect support for a stretcher for use with an overhead rescue platform according to claim 1, wherein: four taper pins are uniformly arranged and connected at four corners of the bottom end of the stretcher, and are matched with four groups of connecting rod assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132924.XA CN109820653B (en) | 2019-02-22 | 2019-02-22 | Stretcher quick connection supporting device suitable for high-altitude rescue platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132924.XA CN109820653B (en) | 2019-02-22 | 2019-02-22 | Stretcher quick connection supporting device suitable for high-altitude rescue platform |
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| CN109820653B true CN109820653B (en) | 2023-12-08 |
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| CN206434493U (en) * | 2016-11-16 | 2017-08-25 | 周蕾 | A kind of folding bed surface of multifunctional medical Succor plain stage |
| CN107811767A (en) * | 2017-11-29 | 2018-03-20 | 徐工集团工程机械有限公司 | Rescue gear |
| CN109009699A (en) * | 2018-08-29 | 2018-12-18 | 徐工集团工程机械有限公司 | One kind is foldable to rescue people's platform |
| CN209916405U (en) * | 2019-02-22 | 2020-01-10 | 徐工集团工程机械有限公司 | Stretcher fast connecting and supporting device suitable for high-altitude rescue platform |
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