CN109820653A - A kind of stretcher being applicable in height rescue platform quickly connects support device - Google Patents
A kind of stretcher being applicable in height rescue platform quickly connects support device Download PDFInfo
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- CN109820653A CN109820653A CN201910132924.XA CN201910132924A CN109820653A CN 109820653 A CN109820653 A CN 109820653A CN 201910132924 A CN201910132924 A CN 201910132924A CN 109820653 A CN109820653 A CN 109820653A
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- limit
- pin shaft
- taper pin
- connecting rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The invention discloses a kind of stretchers for being applicable in height rescue platform quickly to connect support device, including link assembly；Link assembly includes position-limit mechanism, connecting rod, lower connecting base, lockable mechanism；Connecting rod includes sequentially connected upper connecting base, intermediate connecting rod, lower connection taper pin from top to bottom；The bottom end of stretcher is connected with taper pin, realizes taper pin connection with the upper connecting base of small end；Lower connecting base connection is arranged on the bottom plate of height rescue platform, realizes taper pin connection with the lower connection taper pin of connecting rod lower end；Position-limit mechanism is inserted into upper connecting base and taper pin by limit pin shaft, limits the relative position between taper pin and connecting rod, realizes being reliably connected for taper pin and connecting rod；It is hinged between lockable mechanism and connecting rod；Lockable mechanism is inserted into lower connecting base by the lower end of pressing plate, realizes the locking connected between connecting rod and lower connecting base.Rescue stretcher can be rapidly attached and removed from from height rescue platform, save rescue time, improve rescue efficiency.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of stretcher for being applicable in height rescue platform quickly connects
Support device.
Background technique
With the promotion of china's overall national strength, country increasingly payes attention to fire-fighting and emergency management and rescue, and high altitude operation, high-altitude are rescued
Help class vehicle rapid emergence.Currently, the vehicle for rescuing people for high-altitude be mainly ascending platform fire-fighting, it is fire-fighting truntable ladder, multi-functional
Disaster unit etc..
These height rescue class vehicles configure height rescue platform, pass through in rescue operations and stretch out cantilever crane for height rescue
Platform is moved to position of suing and labouring, and trapped person is then put into height rescue platform, last cantilever crane by professional fire-fighting and rescue personnel
Height rescue platform is put on ground by retraction, and the personnel that will be rescued are put on ground from height rescue platform, completes height rescue.
If it is not injured to be rescued personnel, rescue operations are relatively easy, but if being rescued personnel is the wounded, prevent it from rescuing
Secondary injury occurs in the process, the usual method is that lying low the wounded on stretcher, fire-fighting and rescue personnel by hand exist stretcher lift
In height rescue platform, then height rescue platform is fallen on and is sued and laboured on the ground, therefore, stretcher is fast in height rescue platform
Speed fixation is extremely important, and stretcher is fixed on height rescue table top side by elevating fire truck at present, causes cantilever crane by lateral
Power, since stretcher is in height rescue platform exterior, safety is also bad.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of load for being applicable in height rescue platform
Frame quickly connects support device.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of stretcher being applicable in height rescue platform quickly connects support device, including link assembly；
The link assembly includes position-limit mechanism, connecting rod, lower connecting base, lockable mechanism；
The connecting rod includes sequentially connected upper connecting base, intermediate connecting rod, lower connection taper pin from top to bottom；
The bottom end of the stretcher is connected with taper pin, for realizing taper pin connection with the upper connecting base of small end；
The lower connecting base connection is arranged on the bottom plate of height rescue platform, for realizing with the lower connection taper pin of connecting rod lower end
Taper pin connection；
The position-limit mechanism includes limit pin shaft, for being inserted into upper connecting base and taper pin by limit pin shaft, limits taper pin and company
Relative position between bar, realization taper pin and connecting rod are reliably connected；
It is hinged by articulation piece between the lockable mechanism and connecting rod, and can be rotated around hinge joint；The lockable mechanism includes pressure
Plate is inserted into lower connecting base by the lower end of pressing plate, realizes the locking connected between connecting rod and lower connecting base.
Further, the stretcher for being applicable in height rescue platform quickly connects support device, and the upper connecting base is set
It is equipped with the bellmouth matched with taper pin；Taper pin can be inserted into the bellmouth of upper connecting base, realize socket connection；
The lower connecting base is provided with the bellmouth matched with lower connection taper pin；Lower connection taper pin can be inserted into the cone of lower connecting base
In shape hole, socket connection is realized.
Further, the stretcher for being applicable in height rescue platform quickly connects support device, the taper pin circumference side
To annular groove is provided with, for cooperating with limit pin shaft.
Further, the stretcher for being applicable in height rescue platform quickly connects support device, the lower connecting base circle
Circumferential direction is provided with annular groove, for cooperating with the lower end of pressing plate.
Further, the position-limit mechanism further includes shell, end cap, spring；
Described shell one end is fixedly connected on upper connecting base circumference, and the other end of the shell is connect with end cap；The spring
It is set in limit pin shaft, spring one end is pressed on limit pin shaft baffle, and the other end is pressed on end cap；
The upper connecting base is provided with pin shaft hole, the pin shaft hole inside and upper connecting base in position corresponding with limit pin shaft
Bellmouth be connected；
In the tapered end insertion pin shaft hole of the limit pin shaft, the other end of the limit pin shaft passes through shell and is located at outside end cap；
By pulling out limit pin shaft, limit function is released；After discharging pulling force, under the resilient force of spring, limit pin shaft
Tapered end pass through upper connecting base pin shaft hole be caught in the annular groove of taper pin, realize limit.
More preferably, the position-limit mechanism further includes bulb, and the bulb is threadedly coupled with the other end of limit pin shaft,
By pulling bulb to realize moving horizontally for limit pin shaft horizontally outward, limit function is released；After discharging pulling force, in spring
Under resilient force, in the annular groove of the tapered end insertion taper pin of limit pin shaft, limit is realized.
More preferably, it is threadedly coupled between the end cap and shell.
Further, the lockable mechanism further includes torsionspring, the second articulated slab, pin shaft；
The first articulated slab is connected on the intermediate connecting rod,
The second articulated slab of connection setting on the pressing plate, the fraising of first articulated slab, the fraising of the second articulated slab pass through pin
Axis, which passes through, to carry out hingedly, being coaxially arranged torsionspring on the pin shaft；Torsionspring one end clamping platen top, the other end
Compress intermediate connecting rod.
When applying pressure to pressing plate upper end, lockable mechanism is rotated clockwise around pin shaft, and pressing plate lower end connects under being detached from this time
The annular groove of joint chair releases lower locking between connection taper pin and lower connecting base.When the pressure releases applied to pressing plate upper end
Afterwards, it is acted on by torsionspring, rotates lockable mechanism counterclockwise around pin shaft, the annular of the lower connecting base of pressing plate lower end insertion at this time is recessed
Slot realizes lower locking between connection taper pin and lower connecting base.
Further, it includes taper pin and link assembly more than two that the stretcher, which quickly connects support device,.
More preferably, the stretcher bottom end is uniformly connected there are four taper pin, cooperates four groups of link assemblies, can be more steady
The fixed support stretcher.
The utility model has the advantages that the stretcher provided by the invention for being applicable in height rescue platform quickly connects support device, rescue stretcher
The quick connection support device that rapidly can be installed and remove in height rescue platform, when not needing to rescue the wounded, quickly
Connection support device can quickly release, and be not take up height rescue platform space, when needing to rescue the wounded with stretcher, can quickly insert
Up, stretcher support is realized, it is easy to operate, improve rescue efficiency.Furthermore rescue stretcher is centrally disposed in height rescue platform
Portion, stress equalization do not generate offset loading force to cantilever crane, while rescue stretcher, inside aerial work platform, safety is preferable.Have
Following advantages:
(1) a kind of applicable height rescue platform stretcher provided by the invention quickly connects support device, in the height rescue wounded,
Manned stretcher can be supported by fire-fighting and rescue personnel by quickly connecting support device, and installation and removal are convenient, rescue
High-efficient, than existing, rescue stretcher is centrally disposed in height rescue platform interior, and stress equalization does not produce cantilever crane
Raw offset loading force, while rescue stretcher, inside aerial work platform, safety is preferable.
(2) quick connection support device of the invention uses the grafting of taper pin shaft, and inserting mode is simple, while using spring
Pin shaft limiting locking has many advantages, such as that method easy to operate, switch speed are fast, connection is safe and reliable.
Detailed description of the invention
Fig. 1 quickly connects support schematic diagram for the stretcher for height rescue platform；
Fig. 2 is that stretcher quickly connects support schematic diagram；
Fig. 3 is that stretcher quickly connects support exploded view；
Fig. 4 is link assembly connection schematic diagram；
Fig. 5 is link assembly sectional view；
Fig. 6 is link assembly and lower connecting base figure connection schematic diagram；
Fig. 7 is link assembly position-limit mechanism partial enlarged view；
Fig. 8 is link assembly lockable mechanism partial enlarged view.
In figure: stretcher 1, taper pin 2, link assembly 3, height rescue platform 4；
Position-limit mechanism 31, limit pin shaft 311, shell 312, bulb 313, end cap 314, spring 315；
Connecting rod 32, upper connecting base 321, intermediate connecting rod 322, the first articulated slab 323, lower connection taper pin 324；
Lower connecting base 33；
Lockable mechanism 34, pressing plate 341, torsionspring 342, the second articulated slab 343, pin shaft 344.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can further include different values.It should also be noted that similar mark
Number and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then subsequent
It does not need that it is further discussed in attached drawing.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, support device is quickly connected for a kind of stretcher for being applicable in height rescue platform, wrapped
Include link assembly 3 more than two；The link assembly 3 includes position-limit mechanism 31, connecting rod 32, lower connecting base 33, lockable mechanism
34；
The connecting rod 32 includes sequentially connected upper connecting base 321, intermediate connecting rod 322, lower connection taper pin 324 from top to bottom；
The bottom end of the stretcher 1 is connected with taper pin 2, for realizing that cone pin connects with the upper connecting base 321 of 32 upper end of connecting rod
It connects；
The connection of lower connecting base 33 is arranged on the bottom plate of height rescue platform 4, for the lower connection cone with 32 lower end of connecting rod
Pin 324 realizes taper pin connection；
The position-limit mechanism 31 includes limit pin shaft 311, for being inserted into upper connecting base 321 and taper pin 2 by limit pin shaft 311,
The relative position between taper pin 2 and connecting rod 32 is limited, realization taper pin 2 is reliably connected with connecting rod 32；
It is hinged by articulation piece between the lockable mechanism 34 and connecting rod 32, and can be rotated around hinge joint；The lockable mechanism 34
Including pressing plate 341, it is inserted into lower connecting base 33 by the lower end of pressing plate 341, realizes and connected between connecting rod 32 and lower connecting base 33
Locking.
Further, the upper connecting base 321 is provided with the bellmouth matched with taper pin 2；Taper pin 2 can be inserted into upper connection
The bellmouth of seat 321 realizes socket connection；
The lower connecting base 33 is provided with the bellmouth matched with lower connection taper pin 324；Lower connection taper pin 324 connects under can be inserted into
In the bellmouth of joint chair 33, socket connection is realized.
2 circumferencial direction of taper pin is provided with annular groove, for cooperating with limit pin shaft 311.
33 circumferencial direction of lower connecting base is provided with annular groove, for cooperating with the lower end of pressing plate 341.
In some embodiments, as shown in Figure 1 and Figure 2, wherein four taper pins 2, taper pin 2 and connecting rod 32 are welded in 1 bottom end of stretcher
Realize taper pin connection, the shell and connecting rod 32 of position-limit mechanism 31 weld, 31 contained spring 315 of position-limit mechanism and limit pin shaft
311 realization taper pins 2 and connecting rod 32 are reliably connected, and connecting rod 32 and lower connecting base 33 realize taper pin connection, lockable mechanism 34 and
It is connected between connecting rod 32 using axis pin of the spring, lockable mechanism 34 realizes that the locking connected between connecting rod 32 and lower connecting base 33 is made
With the bottom plate of lower connecting base 33 and height rescue platform 4 welds.
In some embodiments, as shown in figure 5 and figure 7, the position-limit mechanism 31, including limit pin shaft 311, shell 312,
Bulb 313, end cap 314, spring 315.Wherein shell 312 and upper connecting base 321 weld, and limit pin shaft 311 and spring 315 are coaxial
Assembly, 315 one end of spring are pressed on pin shaft baffle, and the other end is pressed on end cap 314；End cap 314 and 312 external screw thread of shell connect
It connects, bulb 313 is connect with 311 threaded one end of limit pin shaft, by pulling bulb 313 to realize limit pin shaft 311 horizontally outward
It moves horizontally, limit function releases；After discharging pulling force, under the resilient force of spring 315, the taper of limit pin shaft 311
End is caught in the annular groove of taper pin 2, realizes limit.
As shown in Figure 5 and Figure 6, the connecting rod 32, including upper connecting base 321, intermediate connecting rod 322, lower connection taper pin 324.
Wherein upper connecting base 321 and intermediate connecting rod 322 weld, and intermediate connecting rod 322 and lower connection taper pin 324 weld, and two piece first hinged
Plate 323 is symmetrically welded on 322 side of intermediate connecting rod.Taper pin 2 can be inserted into the bellmouth of upper connecting base 321, realize grafting
Formula connection, lower connection taper pin 324 can be inserted into the bellmouth of lower connecting base 33, realize socket connection.Further, in described
Between be connected with the first articulated slab 323 on connecting rod 322, for being carried out hingedly with lockable mechanism 34.
The lockable mechanism 34, as shown in Fig. 5, Fig. 6, Fig. 8, by pressing plate 341, torsionspring 342, the second articulated slab 343,
Pin shaft 344 is constituted.Wherein 341 inside both ends of pressing plate are respectively welded the second articulated slab 343, the circular hole of the second articulated slab 343, described
The circular hole of first articulated slab 323,342 circular hole three of torsionspring are coaxially connected by pin shaft 344, make 342 one end of torsionspring
Clamping platen 341, the other end compress intermediate connecting rod 322.When applying pressure to 341 upper end of pressing plate, lockable mechanism 34 is around pin shaft
344 rotate clockwise, and 341 lower end of pressing plate is detached from the annular groove of lower connecting base 33 at this time, release lower connection taper pin 324 and lower company
Locking between joint chair 33.After the pressure releases applied to 341 upper end of pressing plate, is acted on by torsionspring 342, make lockable mechanism
34 rotate counterclockwise around pin shaft 344, and the annular groove of the lower connecting base 33 of 341 lower end of pressing plate insertion at this time connects taper pin under realizing
Locking between 324 and lower connecting base 33.
When needing fire-fighting and rescue personal height to rescue people, the stretcher 1 and link assembly 3 are first installed to height on ground first
On empty Succor plain stage 4, secondly height rescue platform 4 is increased to rescue position, and stretcher 1 is taken out from link assembly 3, will hurt
Member is put into stretcher 1, and the stretcher 1 for being loaded with the wounded is inserted on link assembly 3 by third, and height rescue platform is waited to drop to ground
Face, while the stretcher 1 for being loaded with the wounded being taken out from link assembly 3, and be put into ground, link assembly 3 is finally removed, completes to rescue
It helps.
The stretcher 1 and link assembly 3 are installed to the method on height rescue platform 4 are as follows: first take out a link assembly
3, its lower connection taper pin 324 is inserted vertically into the lower connecting base 33 welded on the bottom plate of height rescue platform 4, until locking
Mechanism 34 is caught in the lower end of pressing plate 341 in the annular groove of lower connecting base 33, successively presses
Same method all connects other three link assemblies 3, then takes stretcher 1, vertically by be welded thereon four taper pins 2
It is inserted into the upper connecting base 321 of link assembly 3, until the tapered end of the limit pin shaft 311 of position-limit mechanism 31 is caught in the ring of taper pin 2
In connected in star, installation is completed.
The method that stretcher 1 and link assembly 3 are removed from height rescue platform 4 are as follows: be pulled outwardly four limits manually
The limit pin shaft 311 of position mechanism 31 is lifted up load until the tapered end of limit pin shaft 311 and the annular groove disengaging of taper pin 2
Frame 1.Link assembly 3 is removed, with the upper end of finger pressure 34 pressing plate 341 of lockable mechanism, moves out its lower end, until pressing plate
341 lower end and the annular groove of lower connecting base 33 disengage, and extract link assembly 3 upwards, complete disassembly.
It is all either simply to be combined by the way that taper pin grafting, position-limit mechanism, lockable mechanism are replaced position, or
Taper pin grafting, position-limit mechanism, lockable mechanism are simply replaced into form once and realize that the object of the invention belongs to guarantor of the present invention
Protect range.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of stretcher for being applicable in height rescue platform quickly connects support device, it is characterised in that: including link assembly；
The link assembly includes position-limit mechanism, connecting rod, lower connecting base, lockable mechanism；
The connecting rod includes sequentially connected upper connecting base, intermediate connecting rod, lower connection taper pin from top to bottom；
The bottom end of the stretcher is connected with taper pin, for realizing taper pin connection with the upper connecting base of small end；
The lower connecting base connection is arranged on the bottom plate of height rescue platform, for realizing with the lower connection taper pin of connecting rod lower end
Taper pin connection；
The position-limit mechanism includes limit pin shaft, for being inserted into upper connecting base and taper pin by limit pin shaft, limits taper pin and company
Relative position between bar, realization taper pin and connecting rod are reliably connected；
It is hinged by articulation piece between the lockable mechanism and connecting rod, and can be rotated around hinge joint；The lockable mechanism includes pressure
Plate is inserted into lower connecting base by the lower end of pressing plate, realizes the locking connected between connecting rod and lower connecting base.
2. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
It states upper connecting base and is provided with the bellmouth matched with taper pin；Taper pin can be inserted into the bellmouth of upper connecting base, realize that plug-in type connects
It connects；
The lower connecting base is provided with the bellmouth matched with lower connection taper pin；Lower connection taper pin can be inserted into the cone of lower connecting base
In shape hole, socket connection is realized.
3. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
It states taper pin circumferencial direction and is provided with annular groove, for cooperating with limit pin shaft.
4. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
It states lower connecting base circumferencial direction and is provided with annular groove, for cooperating with the lower end of pressing plate.
5. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
Stating position-limit mechanism further includes shell, end cap, spring；
Described shell one end is fixedly connected on upper connecting base circumference, and the other end of the shell is connect with end cap；The spring
It is set in limit pin shaft, spring one end is pressed on limit pin shaft baffle, and the other end is pressed on end cap；
The upper connecting base is provided with pin shaft hole, the pin shaft hole inside and upper connecting base in position corresponding with limit pin shaft
Bellmouth be connected；
In the tapered end insertion pin shaft hole of the limit pin shaft, the other end of the limit pin shaft passes through shell and is located at outside end cap；
By pulling out limit pin shaft, limit function is released；After discharging pulling force, under the resilient force of spring, limit pin shaft
Tapered end pass through upper connecting base pin shaft hole be caught in the annular groove of taper pin, realize limit.
6. the stretcher according to claim 5 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
Stating position-limit mechanism further includes bulb, and the bulb is fixedly connected with the other end of limit pin shaft, is realized by pulling out bulb
The movement of limit pin shaft, limit function release；After discharging pulling force, under the resilient force of spring, the taper of limit pin shaft
In the annular groove of end insertion taper pin, limit is realized.
7. the stretcher according to claim 5 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
It states and is threadedly coupled between end cap and shell.
8. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
Stating lockable mechanism further includes torsionspring, the second articulated slab, pin shaft；
The first articulated slab is connected on the intermediate connecting rod,
The second articulated slab of connection setting on the pressing plate, the fraising of first articulated slab, the fraising of the second articulated slab pass through pin
Axis, which passes through, to carry out hingedly, being coaxially arranged torsionspring on the pin shaft；Torsionspring one end clamping platen top, the other end
Compress intermediate connecting rod.
9. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that: institute
Stating stretcher and quickly connecting support device includes taper pin and link assembly more than two.
10. the stretcher according to claim 1 for being applicable in height rescue platform quickly connects support device, it is characterised in that:
Stretcher bottom end quadrangle is evenly arranged connection, and there are four taper pins, cooperate four groups of link 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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| CN109820653A true CN109820653A (en) | 2019-05-31 |
| CN109820653B CN109820653B (en) | 2023-12-08 |
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| CN201910132924.XA Active CN109820653B (en) | 2019-02-22 | 2019-02-22 | Stretcher quick connection supporting device suitable for high-altitude rescue platform |
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| 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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| CN109820653B (en) | 2023-12-08 |
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