CN114504747A - High-safety natural disaster rescue tool - Google Patents
High-safety natural disaster rescue tool Download PDFInfo
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- CN114504747A CN114504747A CN202210134728.8A CN202210134728A CN114504747A CN 114504747 A CN114504747 A CN 114504747A CN 202210134728 A CN202210134728 A CN 202210134728A CN 114504747 A CN114504747 A CN 114504747A
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- adjusting
- rod
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B99/00—Subject matter not provided for in other groups of this subclass
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Abstract
The invention discloses a high-safety natural disaster rescue tool, which comprises: the positioning outer seat is transversely inserted in disaster rescue ruins and is positioned below the heavy stone in the rescue ruins area; the inner connecting frame body is arranged in the positioning outer seat, a plurality of sliding rods are arranged in the positioning outer seat in parallel, and the inner connecting frame body is connected to the sliding rods in a sliding mode; the adjusting bracket assembly is arranged in the inner connector body and is used for top protection and support of heavy stones in the ruin area; the contact top position device can be arranged at the upper end of the adjusting and supporting assembly in a relatively deflecting mode and can be in self-adaptive abutting contact with heavy stones in the ruin area; and the pressurizing protection component is fixed in the inner connection frame body, can provide continuous supporting pressure for the adjusting support frame component, and reduces the impact of heavy stones for the adjusting support frame component in a secondary disaster environment.
Description
Technical Field
The invention belongs to the technical field of refrigeration, and particularly relates to a high-safety natural disaster rescue tool.
Background
In the collapse rescue site of houses, bridges and the like caused by geological natural disasters, the crow bar is a purely mechanical tool, and can crow up to several tons of objects only by one person or several persons applying force at the same time, so that the crow bar has the irreplaceable advantage in the disaster site lacking power, has a simple structure, is convenient to carry, and is a necessary and effective rescue tool in the disaster rescue site. However, the crow bar on the market at present is generally made of a single rod, the length of a resistance arm of the crow bar is short, the supported height is limited, particularly, the crow bar can only achieve a short working effect when being pried up by a huge heavy object, cannot be used as a support main body, cannot provide long-time continuous support rescue work for rescuers, and is low in safety performance and prone to bending deformation and even fracture in secondary disaster. Accordingly, those skilled in the art have provided a high-safety natural disaster relief tool to solve the problems set forth in the background art as described above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a high security natural disaster rescue tool comprising:
the positioning outer seat is transversely inserted in disaster rescue ruins and is positioned below the heavy stone in the rescue ruins area;
the inner connecting frame body is arranged in the positioning outer seat, a plurality of sliding rods are arranged in the positioning outer seat in parallel, and the inner connecting frame body is connected to the sliding rods in a sliding mode;
the adjusting bracket assembly is arranged in the inner yoke body and is used for supporting and protecting heavy stones in the ruin area so that rescue teams can rescue disaster victims from the heavy stones in the ruin area in time;
the contact top position device can be arranged at the upper end of the adjusting and supporting assembly in a relatively deflecting mode and can be in self-adaptive abutting contact with heavy stones in the ruin area; and
the pressurizing protection component is fixed in the inner connecting frame body and can provide continuous supporting pressure for the adjusting support frame component, and the impact of heavy stones is reduced for the adjusting support frame component in a secondary disaster environment, so that the stability of the left support frame and the right support frame of the adjusting support frame component is kept.
Further, preferably, the adjusting bracket assembly comprises:
the inner guide rod is transversely fixed in the inner linkage body;
the guide piece is sleeved on the inner guide rod in a sliding manner;
the reset spring is transversely arranged in the inner connecting frame body and positioned on one side of the inner guide rod, and the other end of the reset spring is connected with the guide piece;
the main supporting rod is hinged in the guide piece, and an outer notch is formed in the inner connecting frame body so that one end of the main supporting rod partially extends out of the inner connecting frame body;
the holding frame is rotatably connected to the guide piece, and the other end of the holding frame obliquely extends out of the positioning outer seat;
the bracket body is vertically fixed on the inner linkage bracket body, the bracket body is provided with a bracket wheel set which can deflect relatively, the bracket wheel set is formed by combining two guide wheels, and the holding frame slides between the guide wheels in a limiting way;
the adjusting rod is rotatably arranged on one side, far away from the support body, of the inner connecting support body, and the other end of the adjusting rod is connected with the main supporting rod; and
the screens piece, for arranging a plurality ofly that sets up, each the screens piece all sets up the inside downside of interior antithetical couplet frame body for adjust the guide piece fixed point.
Further, preferably, the adjusting rod is constructed in a two-stage telescopic structure, and the pressurization protection assembly is connected with the adjusting rod.
Further, preferably, the contact tip device includes:
an external connecting disc; the main supporting rod is arranged at the joint of the main supporting rod and the adjusting rod in a relatively rotatable manner;
the side springs are symmetrically connected below the outer flange, and the other ends of the side springs are correspondingly connected with the main supporting rod and the adjusting rod;
the air pressure bins are symmetrically embedded and fixed at the two sides of the external connecting disc;
the jacking block can be arranged in the air pressure bins in a relatively sealed and rotating manner, and one end of each air pressure bin is communicated with an external air pump through a hose;
the inner spring is connected between the jacking block and the air pressure bin; and
the adaptation board is connected with the top position block through a supporting spring.
Further, preferably, the pressure boost guard assembly includes:
the sealing element is transversely fixed in the inner connecting frame body;
the air flow bin is arranged in the sealing element, a conveying pipe is communicated with the air flow bin, and one end of the conveying pipe is communicated with the miniature air pump;
the plunger piece is arranged in the airflow bin in a relatively sliding manner;
the telescopic guide rod is transversely arranged in the airflow bin, and the output end of the telescopic guide rod is fixedly connected with the plunger piston piece;
the air supply pipe is connected to the sealing piece, one end of the air supply pipe penetrates through the sealing piece and is communicated with the airflow bin, a connecting plug body is arranged in the adjusting rod, and the other end of the air supply pipe is connected with the adjusting rod and drives the adjusting rod to correspondingly stretch and retract through the connecting plug body; and
and the air replenishing and standing flow device is arranged in the sealing piece and is positioned below the airflow cabin.
Further, preferably, the method further comprises:
the front position piece is arranged in the airflow bin in a sliding mode, so that the airflow bin is divided into three cavity positions correspondingly through the front position piece and the plunger piece;
the top frame springs are transversely arranged, and each top frame spring is connected between the front part and the plunger part;
and the inner through pipe is connected between the airflow bin and the air supplementing standing-flow device.
Further, as preferred, the air supply standing flow device includes:
fixing the bin;
the piston body is arranged in the fixed bin in a sliding mode;
the main driving wheel is arranged in the fixed bin in a relatively rotating mode, a transmission rod is rotatably arranged on the main driving wheel, and one end of the transmission rod is connected with the piston body.
Preferably, a top protection plug is further slidably arranged in the fixed bin, and a plurality of bearing springs are connected between the top protection plug and the piston body.
Compared with the prior art, the invention has the beneficial effects that:
the disaster relief device is provided with a positioning outer seat which can be inserted into disaster relief ruins, an adjusting strut assembly is arranged in the positioning outer seat in a sliding manner, the adjusting strut assembly can slide to a proper position below heavy stones in the ruins area in the horizontal displacement, the heavy stones in the ruins area are received by a contact jacking device, and the heavy stones in the ruins area are locally pried up under the continuous adjustment of the adjusting strut assembly, so that rescue teams can rescue disaster victims out of the heavy stones in the ruins area in time, and longer rescue time is provided for the rescue teams; especially, the pressurizing protection component is arranged in the inner connection frame body, and can effectively provide cushioning power for the adjusting support frame component under the condition of secondary earthquake or aftershock, so that the adjusting support frame component is prevented from being impacted to generate support failure.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an adjustment bracket assembly of the present invention;
FIG. 3 is a schematic view of the contact positioning device of the present invention;
FIG. 4 is a schematic structural view of a pressure intensifying shield assembly of the present invention;
FIG. 5 is a schematic structural view of the air-supplying stagnation device of the present invention;
in the figure: the device comprises a positioning outer seat 1, an inner yoke body 2, a contact jacking device 3, an outer connecting disc 31, a side position spring 32, an air pressure chamber 33, a jacking block 34, an adaptive plate 35, a sliding rod 4, an adjusting support frame component 5, an inner guide rod 51, a guide part 52, a main support rod 53, an adjusting rod 54, a holding frame 55, a return spring 56, a wheel set 57, a pressurizing protection component 6, a sealing component 61, an air flow chamber 62, a telescopic guide rod 63, a connecting plug body 64, a plug part 65, an air supply pipe 66, an air supply stagnation device 7, a fixed chamber 71, a piston body 72, a main driving wheel 73, a bearing spring 74, a front position component 8, a top frame spring 81 and an inner through pipe 82.
Detailed Description
Referring to fig. 1, in an embodiment of the present invention, a high-safety natural disaster rescue tool includes:
the positioning outer seat 1 is transversely inserted in disaster rescue ruins and is positioned below heavy stones in the rescue ruins area;
the inner connecting frame body 2 is arranged in the positioning outer seat 1, a plurality of sliding rods 4 are arranged in the positioning outer seat 1 in parallel, and the inner connecting frame body 2 is connected to the sliding rods 4 in a sliding mode;
the adjusting bracket assembly 5 is arranged in the inner yoke body 2, and the adjusting bracket assembly 5 is used for top protection and support of heavy stones in the ruin area so that rescue teams can rescue disaster victims from the heavy stones in the ruin area in time;
the contact top position device 3 is arranged at the upper end of the adjusting and supporting assembly 5 in a relatively deflecting mode, and the contact top position device 3 can be in self-adaptive abutting contact with heavy stones in the ruin area; and
the pressurizing protection component 6 is fixed in the inner connecting frame body 2, the pressurizing protection component 6 can provide continuous supporting pressure for the adjusting support frame component 5, and reduces impact of heavy stones on the adjusting support frame component 5 under a secondary disaster environment so as to keep stability of left and right supports of the adjusting support frame component 5; in a disaster area, a supporting hole position is arranged below the heavy stones in the ruins area preferentially in a drilling mode, the positioning outer seat is inserted into the supporting hole position, at the moment, the corresponding supporting point position of the adjusting support frame assembly is changed through the sliding action of the inner connection frame body, and the heavy stones are locally pried up through the contact jacking device under continuous adjustment, so that the disaster personnel can be conveniently rescued in time.
In this embodiment, the adjusting bracket assembly 5 includes:
an inner guide rod 51 transversely fixed in the inner frame body 2;
the guide piece 52 is sleeved on the inner guide rod 2 in a sliding manner;
the return spring 56 is transversely arranged on one side of the inner guide rod 51 in the inner rack body 2, and the other end of the return spring 56 is connected with the guide piece 52;
a main supporting rod 53 hinged in the guide member 52, wherein an outer notch is arranged on the inner frame body 2, so that one end of the main supporting rod 53 partially extends out of the inner frame body 2;
the holding frame 55 is rotatably connected to the guide piece 52, and the other end of the holding frame 55 obliquely extends out of the positioning outer seat 1;
the support body is vertically fixed on the inner yoke body 2, a frame wheel set 57 is arranged on the support body in a relatively-deflected mode, the frame wheel set 57 is formed by combining two guide wheels, and the holding frame 55 slides between the guide wheels in a limiting mode;
the adjusting rod 54 is rotatably arranged on one side, far away from the support body, of the inner frame body 2, and the other end of the adjusting rod 54 is connected with the main supporting rod 53; and
the screens piece, for arranging a plurality of that set up, each the screens piece all sets up the inside downside of interior antithetical couplet frame body 2 for adjust the guide 52 fixed point, that is to say, in use, the vertical application of force of holding the frame is held to the rescue personnel accessible, holds the frame and can drive the guide and carry out horizontal displacement this moment, thereby makes main vaulting pole and regulation pole form chevron shape supporting mechanism, and after reaching the supporting height, the screens piece can carry out fixed point buckle to the guide, realizes supporting positioning effect.
As a preferred embodiment, the adjusting rod 54 is configured as a two-section telescopic structure, and the pressure boost protection assembly 6 is connected to the adjusting rod 54, especially in the case of a secondary earthquake or aftershock, the main supporting rod is in a clamping and positioning state, and the impact of heavy objects is reduced by adaptively adjusting the telescopic function of the adjusting rod, so as to improve the supporting effect.
In this embodiment, the contact positioning device 3 includes:
an outer flange 31; the main supporting rod 53 and the adjusting rod 54 are arranged at the joint of the main supporting rod and the adjusting rod in a relatively rotatable manner;
the side springs 32 are symmetrically connected below the outer flange 31, and the other ends of the side springs 32 are correspondingly connected with the main supporting rod 53 and the adjusting rod 54;
the air pressure bins 33 are symmetrically embedded and fixed at the two sides of the external connecting disc 31;
the top position block 34 is arranged in the air pressure chambers 33 in a relatively sealed and rotating manner, and one end of each air pressure chamber 33 is communicated with an external air pump (not shown in the figure) through a hose;
the inner spring is connected between the jacking block 34 and the air pressure bin 33; and
the adaptation board 35 is connected with the top position block 34 through a supporting spring, wherein the air pressure chambers on two sides can realize the convex adjustment of the top position block through the air supply and drainage functions of an external air pump, so that the adaptation board can be in full contact with the top position block under the cross sections of different heavy stone blocks, and the contact anti-slip effect is improved.
In this embodiment, the pressurization guard assembly 6 includes:
a sealing member 61 transversely fixed in the inner frame body 2;
the air flow bin 62 is arranged in the sealing element 61, a delivery pipe is communicated with the air flow bin 62, and one end of the delivery pipe is communicated with a micro air pump (not shown in the figure);
a plunger member 65 slidably disposed in the airflow chamber 62;
the telescopic guide rod 63 is transversely arranged in the airflow bin 62, and the output end of the telescopic guide rod 63 is connected and fixed with the plunger piece 65;
the air supply pipe 66 is connected to the sealing element 61, one end of the air supply pipe 66 penetrates through the sealing element 61 and is communicated with the airflow bin 62, a connecting plug body 64 is arranged in the adjusting rod 54, and the other end of the air supply pipe 66 is connected with the adjusting rod 54 and drives the adjusting rod to correspondingly stretch and retract through the connecting plug body 64; and
and the air replenishing and standing flow device 7 is arranged in the sealing piece 61 and is positioned below the airflow cabin 62.
In this embodiment, the method further includes:
the front position piece 8 is arranged in the airflow bin 62 in a sliding manner, so that the airflow bin 62 is divided into three cavity positions correspondingly through the front position piece 8 and the plunger piece 65;
a plurality of top frame springs 81 arranged in the transverse direction, each top frame spring 81 being connected between the forward member 8 and the plunger member 65;
the inner through pipe 82 is connected between the airflow bin 62 and the air-supplying standing-current device 7, it should be noted that the cavity position on one side of the front part and the middle cavity position in the airflow bin are both in a sealed state, while the cavity position on one side of the telescopic guide rod in the airflow bin is in a ventilation state, in general use, the front part is driven by the telescopic action of the telescopic guide rod to slide to a position slightly to one side of the airflow bin, so that the inner through pipe can be positioned between the front part and the plunger part, at this time, the conveying pipe pressurizes the internal air injection, and the air-supplying standing-current device can synchronously supply air and pressurize; when a secondary earthquake disaster or aftershock occurs, the impact of a heavy object is increased, at the moment, the self-adaptive adjustment of the adjusting rod is contracted in a self-adaptive manner, the spring of the top frame can carry out elastic support, and when the spring of the top frame is displaced to the other side of the inner through pipe, the air-supplementing standing-current device is communicated with the front cavity phase, and the front part is instantaneously displaced and reset by the action of elasticity; and gradually unloading the gravity impact in repeated reciprocating sliding for a plurality of times so as to achieve the effect of stable support.
As a preferred embodiment, the air-supplying standing-flow device 7 includes:
a fixed bin 71;
a piston body 72 slidably disposed in the fixed bin 71;
and a main driving wheel 73 which is relatively rotatably arranged in the fixed bin 71, wherein a transmission rod is rotatably arranged on the main driving wheel 73, and one end of the transmission rod is connected with the piston body 72.
In this embodiment, a top protection plug is further slidably disposed in the fixed bin 71, and a plurality of receiving springs 74 are connected between the top protection plug and the piston body.
Particularly, in natural disaster rescue, a supporting hole position is preferentially arranged below heavy stones in the ruins area in a drilling mode, the positioning outer seat is inserted into the supporting hole position, and the adjusting support frame assembly can be horizontally displaced by rescue workers through the holding frame driving guide piece after the rear supporting point is determined, so that the main supporting rod and the adjusting rod form a herringbone supporting mechanism, and at the moment, the air supplementing standing current device can effectively provide cushioning power for the adjusting support frame assembly under the condition of secondary earthquake or aftershock, prevent the adjusting support frame assembly from being impacted to cause frame support failure, and improve rescue safety.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a high security natural disaster rescue instrument which characterized in that: it includes:
the positioning outer seat (1) is transversely inserted in disaster rescue ruins and is positioned below the heavy stone in the rescue ruins area;
the inner connecting frame body (2) is arranged in the positioning outer seat (1), a plurality of sliding rods (4) are arranged in the positioning outer seat (1) in parallel, and the inner connecting frame body (2) is connected to the sliding rods (4) in a sliding mode;
the adjusting bracket assembly (5) is arranged in the inner yoke body (2), and the adjusting bracket assembly (5) is used for top protection and support of heavy stones in the ruin area so that rescue teams can rescue disaster victims from the heavy stones in the ruin area in time;
the contact top position device (3) is arranged at the upper end of the adjusting and supporting assembly (5) in a relatively deflecting mode, and the contact top position device (3) can be in self-adaptive abutting contact with heavy stones in the ruin area; and
the pressurizing protection assembly (6) is fixed in the inner connection frame body (2), the pressurizing protection assembly (6) can provide continuous supporting pressure for the adjusting support frame assembly (5), and the impact of heavy stones is reduced for the adjusting support frame assembly (5) in a secondary disaster environment, so that the stability of the left support frame and the right support frame of the adjusting support frame assembly (5) is kept.
2. A high security natural disaster relief tool according to claim 1, wherein: the adjustment bracket assembly (5) comprises:
the inner guide rod (51) is transversely fixed in the inner rack body (2);
the guide piece (52) is sleeved on the inner guide rod (2) in a sliding manner;
the return spring (56) is transversely arranged on one side of the inner guide rod (51) in the inner connecting frame body (2), and the other end of the return spring (56) is connected with the guide piece (52);
the main supporting rod (53) is hinged in the guide piece (52), and an outer notch is formed in the inner rack body (2) so that one end of the main supporting rod (53) partially extends out of the inner rack body (2);
the holding frame (55) is rotatably connected to the guide piece (52), and the other end of the holding frame (55) obliquely extends out of the positioning outer seat (1);
the support body is vertically fixed on the inner linked frame body (2), a frame wheel set (57) is arranged on the support body in a relatively-deflected mode, the frame wheel set (57) is formed by combining two guide wheels, and the holding frame (55) slides between the guide wheels in a limiting mode;
the adjusting rod (54) is rotatably arranged on one side, far away from the support body, of the inner connecting frame body (2), and the other end of the adjusting rod (54) is connected with the main supporting rod (53); and
the screens piece, for arranging a plurality ofly that set up, each screens piece all sets up the inside downside of interior antithetical couplet frame body (2) is used for adjusting the fixed point to guide (52).
3. A high security natural disaster relief tool according to claim 2, wherein: the adjusting rod (54) is constructed into a two-section type telescopic structure, and the pressurization protection assembly (6) is connected with the adjusting rod (54).
4. A high security natural disaster relief tool according to claim 2, wherein: the contact top position device (3) comprises:
an outer flange (31); the main supporting rod (53) and the adjusting rod (54) are arranged at the joint of the main supporting rod and the adjusting rod in a relatively rotatable manner;
the side position spring (32) is symmetrically connected below the outer connecting disc (31), and the other end of the side position spring (32) is correspondingly connected with the main supporting rod (53) and the adjusting rod (54);
the air pressure bins (33) are symmetrically embedded and fixed at the two sides of the external connecting disc (31);
the jacking block (34) can be arranged in the air pressure chambers (33) in a relatively sealed and rotating manner, and one end of each air pressure chamber (33) is communicated with an external air pump through a hose;
the inner spring is connected between the jacking block (34) and the air pressure bin (33); and
the adaptation plate (35) is connected with the jacking block (34) through a supporting spring.
5. A high security natural disaster relief tool according to claim 3, wherein: the boost guard assembly (6) comprises:
a sealing member (61) transversely fixed in the inner frame body (2);
the air flow bin (62) is arranged in the sealing element (61), a conveying pipe is communicated with the air flow bin (62), and one end of the conveying pipe is communicated with the micro air pump;
a plunger member (65) slidably disposed relative to each other within the airflow chamber (62);
the telescopic guide rod (63) is transversely arranged in the airflow bin (62), and the output end of the telescopic guide rod (63) is connected and fixed with the plunger piece (65);
the air feeding pipe (66) is connected to the sealing element (61), one end of the air feeding pipe (66) penetrates through the sealing element (61) and is communicated with the airflow bin (62), a connecting plug body (64) is arranged in the adjusting rod (54), and the other end of the air feeding pipe (66) is connected with the adjusting rod (54) and drives the adjusting rod to correspondingly stretch and retract through the connecting plug body (64); and
and the air supply standing-flow device (7) is arranged in the sealing piece (61) and is positioned below the airflow bin (62).
6. A high security natural disaster relief tool according to claim 5, wherein: further comprising:
the front position piece (8) is arranged in the airflow bin (62) in a sliding mode, so that the airflow bin (62) is divided into three cavity positions correspondingly through the front position piece (8) and the plunger piece (65);
a plurality of top frame springs (81) arranged transversely, each top frame spring (81) being connected between the front member (8) and the plunger member (65);
and the inner through pipe (82) is connected between the airflow bin (62) and the air supplementing standing-flow device (7).
7. A high security natural disaster relief tool according to claim 5, wherein: the air supply standing flow device 7 comprises:
a fixed bin (71);
a piston body (72) slidably disposed in the fixed bin (71);
the main driving wheel (73) is arranged in the fixed bin (71) in a relatively rotating mode, a transmission rod is arranged on the main driving wheel (73) in a rotating mode, and one end of the transmission rod is connected with the piston body (72).
8. A high security natural disaster relief tool according to claim 7, wherein: a top protection plug is further arranged in the fixed bin (71) in a sliding mode, and a plurality of bearing springs (74) are connected between the top protection plug and the piston body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134728.8A CN114504747B (en) | 2022-02-14 | 2022-02-14 | High-safety natural disaster rescue tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210134728.8A CN114504747B (en) | 2022-02-14 | 2022-02-14 | High-safety natural disaster rescue tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114504747A true CN114504747A (en) | 2022-05-17 |
| CN114504747B CN114504747B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210134728.8A Active CN114504747B (en) | 2022-02-14 | 2022-02-14 | High-safety natural disaster rescue tool |
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| Country | Link |
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| CN (1) | CN114504747B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043321A (en) * | 1995-09-11 | 1998-02-17 | Mitsuhiro Fujiwara | Disaster prevention apparatus |
| JP2007039171A (en) * | 2005-08-01 | 2007-02-15 | Hitachi Plant Technologies Ltd | Attachment for jack |
| CN102172426A (en) * | 2011-01-28 | 2011-09-07 | 清华大学 | Expanding rescue device for ruin channel |
| US20190233271A1 (en) * | 2016-06-20 | 2019-08-01 | Red Rescue, Llc | Lifting system including rotating attachment link |
| JP6800507B1 (en) * | 2020-07-17 | 2020-12-16 | 浜崎製材株式会社 | Rescue device |
-
2022
- 2022-02-14 CN CN202210134728.8A patent/CN114504747B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043321A (en) * | 1995-09-11 | 1998-02-17 | Mitsuhiro Fujiwara | Disaster prevention apparatus |
| JP2007039171A (en) * | 2005-08-01 | 2007-02-15 | Hitachi Plant Technologies Ltd | Attachment for jack |
| CN102172426A (en) * | 2011-01-28 | 2011-09-07 | 清华大学 | Expanding rescue device for ruin channel |
| US20190233271A1 (en) * | 2016-06-20 | 2019-08-01 | Red Rescue, Llc | Lifting system including rotating attachment link |
| JP6800507B1 (en) * | 2020-07-17 | 2020-12-16 | 浜崎製材株式会社 | Rescue device |
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| Publication number | Publication date |
|---|---|
| CN114504747B (en) | 2022-09-06 |
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