CN220714592U - Expansion arm for fire rescue in narrow space - Google Patents
Expansion arm for fire rescue in narrow space Download PDFInfo
- Publication number
- CN220714592U CN220714592U CN202322411331.1U CN202322411331U CN220714592U CN 220714592 U CN220714592 U CN 220714592U CN 202322411331 U CN202322411331 U CN 202322411331U CN 220714592 U CN220714592 U CN 220714592U
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- Prior art keywords
- expansion
- expansion arm
- narrow space
- rescue
- arm
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- 238000005452 bending Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of fire rescue, in particular to an expansion arm for fire rescue in a narrow space. According to the expansion arm for firefighting rescue in the narrow space, the expansion arm component is movably connected at the jaw position of the hydraulic expansion pliers, the expansion angle of one end, far away from the jaw, of the expansion arm component is increased along with the decrease of the jaw angle, rescue in the narrow space is facilitated, meanwhile, the depth and the angle of expansion operation can be improved, and the expansion rescue speed of trapped personnel when the narrow space is blocked is increased.
Description
Technical Field
The utility model relates to the technical field of fire rescue, in particular to an expansion arm for fire rescue in a narrow space.
Background
In the fire-fighting process, firefighters often use various rescue tools to rescue people, wherein one common rescue tool is a hydraulic breaking tool, comprising a hydraulic cutting nipper, a hydraulic expander, a hydraulic ejector rod and the like, is usually matched with a motor pump, can realize a shearing function, and can quickly and effectively shear metal or nonmetal structures such as anti-theft doors and windows, reinforcing steel bar guard rails, automobiles, railway carriages and the like when disasters such as fires, traffic accidents, earthquakes and the like occur, so as to rescue victims trapped in a limited environment or rescue victims in a dangerous environment, achieve the aim of rescue or relief, and are necessary breaking tools for fire-fighting teams, traffic police teams, industrial and mining enterprises and other rescue departments.
The fire-fighting hydraulic expander is generally used for expanding a narrow space to rescue a victim trapped in danger, is mainly applied to disaster rescue such as traffic accident rescue or earthquake, the victim is easy to be trapped in the narrow space to be injured in the disaster, a firefighter needs to expand the narrow space to facilitate escape of the victim, but the conventional expander is difficult to enter a particularly narrow space, the expansion arm of the expander is difficult to reach required operation depth, the expansion arm of the expander is prolonged, the angle and the stressed area of expansion operation are improved, and the rescue efficiency of expansion separation rescue can be increased.
Disclosure of Invention
The utility model provides an expansion arm for firefighting rescue in a narrow space, which is used for solving the problem that the expansion angle and the stress area of an expander are smaller due to the fact that the expansion arm is shorter in the prior art, and achieving the purposes of increasing the expansion operation angle and the stress area of the expander and accelerating the rescue rate during expansion separation rescue.
The utility model provides an expansion arm for fire rescue in a narrow space, which comprises the following components:
hydraulic expansion pliers;
the expansion arm assembly is an X-shaped expansion arm, and one end of the expansion arm assembly is movably connected with the jaw of the hydraulic expansion pliers and used for penetrating into a narrow space.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: the expansion arm assembly comprises a first expansion arm and a second expansion arm, the first expansion arm and the second expansion arm are identical and are both V-shaped plates, and the first expansion arm exchanges heat and the second expansion arm are symmetrically connected at the bending positions of the V-shaped plates.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: the first expansion arm and the second expansion arm comprise two parallel V-shaped plates, the middle bending positions of the first expansion arm and the second expansion arm are movably connected, and the bearing strength and the expansion angle of the expansion arm assembly are enhanced.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: the two ends and the middle positions of the first expansion arm and the second expansion arm are respectively provided with a through hole, one ends of the first expansion arm and the second expansion arm are movably connected with the jaw of the hydraulic expansion pliers through bolts, and the middle positions of the first expansion arm and the second expansion arm are movably connected through bolts.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: one end of the hydraulic expansion pliers, which is far away from the jaw, is connected with a hydraulic pump.
The utility model has the beneficial effects that:
according to the expansion arm for firefighting rescue in the narrow space, the expansion arm component is movably connected at the jaw position of the hydraulic expansion pliers, the expansion angle of one end, far away from the jaw, of the expansion arm component is increased along with the decrease of the jaw angle, rescue in the narrow space is facilitated, meanwhile, the depth and the angle of expansion operation can be improved, and the expansion rescue speed of trapped personnel when the narrow space is blocked is increased.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the embodiments or the drawings needed in the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an expansion arm for firefighting rescue in a narrow space;
FIG. 2 is a top view of a narrow space firefighting rescue boom;
fig. 3 is a schematic perspective view of the expansion arm assembly.
Reference numerals:
1. hydraulic expansion pliers;
2. an expansion arm assembly; 201. a first expansion arm; 202. a second expansion arm;
3. and (5) a bolt.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The technical solution of the present utility model is described below with reference to the embodiments shown in fig. 1 to 3:
the utility model provides an expansion arm for fire rescue in a narrow space, which comprises the following components: the hydraulic expansion pliers 1, the expansion arm assembly 2 is an X-shaped expansion arm, and one end of the expansion arm assembly 2 is movably connected with the jaw of the hydraulic expansion pliers 1 and used for penetrating into a narrow space.
Fig. 1 and 2 illustrate an expansion arm for firefighting rescue in a narrow space with a specific structure, wherein an expansion arm assembly 2 is rotatably connected with a jaw of a hydraulic expansion clamp 1, and the jaw of the hydraulic expansion clamp 1 is rotatably connected with one end of the expansion arm assembly 2, because the expansion arm assembly 2 needs to be driven to rotate relatively when the hydraulic expansion clamp 1 works;
because the expansion arm component 2 is an X-shaped expansion arm, when the jaw of the hydraulic expansion pliers 1 is in an open limit state, one end of the expansion arm component 2 connected with the jaw of the hydraulic expander is also in an open state like the jaw, and the expansion arm component 2 is close together when being far away from one end of the jaw of the hydraulic expander, so that the expansion arm component 2 can conveniently go deep into a narrow space needing rescue, and the working depth of the hydraulic expansion pliers 1 is prolonged;
if the jaws of the hydraulic expansion pliers 1 are in a closed state, the end, connected with the jaws of the hydraulic expander, of the expansion arm assembly 2 is also in a closed state like the jaws, and the end, far away from the jaws of the hydraulic expander, of the expansion arm assembly 2 is in an open state, so that the expansion arm assembly can conveniently extend deep into a narrow rescue space;
when the expansion arm provided by the utility model is used for operation, the jaw of the hydraulic expansion clamp 1 is opened by a wire, the expansion is stopped when one end of the expansion arm assembly 2, which is far away from the jaw of the hydraulic expander, can smoothly go deep into a narrow space requiring operation, then one end of the expansion arm assembly 2, which is far away from the jaw of the hydraulic expander, goes deep into a narrow rescue space, then the jaw of the hydraulic expansion clamp 1 is gradually closed, and the opening angle of one end of the expansion arm assembly 2, which is far away from the jaw of the hydraulic expander, is increased along with the gradual reduction of the opening angle of the jaw, so that the purpose of expanding the rescue space is achieved.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: the expansion arm assembly 2 comprises a first expansion arm 201 and a second expansion arm 202, the first expansion arm 201 and the second expansion arm 202 are identical and are both V-shaped plates, and the first expansion arm 201 exchanges heat and the second expansion arm 202 are symmetrically connected at the bending positions of the V-shaped plates.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: the first expansion arm 201 and the second expansion arm 202 each comprise two parallel V-shaped plates, and the middle bending positions of the first expansion arm 201 and the second expansion arm 202 are movably connected to strengthen the bearing strength and the expansion angle of the expansion arm assembly 2.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: through holes are formed in the two ends and the middle position of the first expansion arm 201 and the second expansion arm 202, one ends of the first expansion arm 201 and the second expansion arm 202 are movably connected with the jaw of the hydraulic expansion pliers 1 through bolts 3, and the middle position of the first expansion arm 201 and the middle position of the second expansion arm 202 are movably connected through bolts 3.
According to the utility model, the expansion arm for firefighting rescue in a narrow space is provided: one end of the hydraulic expansion pliers 1, which is far away from the jaws, is connected with a hydraulic pump, and the hydraulic pump provides power for opening and closing the shallow opening of the jaws of the hydraulic expansion pliers 1, so that the manpower loss is reduced, and meanwhile, the stability and the safety of expansion operation are improved.
In fig. 3, an expansion arm assembly 2 with a specific structure is illustrated, wherein a group of two V-shaped plates are arranged in parallel on each of a first expansion arm 201 and a second expansion arm 202, and each group of V-shaped plates at one end of each of the first expansion arm 201 and the second expansion arm 202 connected with two jaws clamps one jaw at a middle position, so that the bearing area and the bearing capacity of the expansion arms are improved, and meanwhile, the stress concentration generated during expansion operation is reduced;
the bending positions of the first expansion arm 201 and the second expansion arm 202 are movably connected, and the two V-shaped plates are symmetrically connected at the bending positions through the bolts 3, so that the first expansion arm 201 and the second expansion arm 202 can relatively rotate during expansion operation, if the expansion depth is required to be further increased, the length of the first expansion arm 201 and the second expansion arm 202, which are far away from one end of a jaw, can be prolonged, and the width of an expansion space can be increased while the depth is increased.
The working principle of the utility model is as follows: the hydraulic expansion pliers 1 are connected with the hydraulic pump, the hydraulic pump is started to adjust the jaws of the hydraulic expansion pliers 1 to be in an open state, one ends of the first expansion arm 201 and the second expansion arm 202, which are far away from the jaws, are close together and go deep into a narrow space where expansion operation is required, then the hydraulic pump is started to adjust the jaws of the hydraulic expansion pliers 1 to be in a closed state, one ends of the first expansion arm 201 and the second expansion arm 202, which are far away from the jaws, are adjusted to a proper angle, then the hydraulic pump is closed, after a victim is relieved, the hydraulic pump is started again, the jaws of the hydraulic expansion pliers 1 are adjusted to be in an open state, the expansion arm assembly 2 is pulled out from the narrow space, the depth and the operation angle of the expansion operation are effectively improved, and the rescue rate during expansion separation rescue is accelerated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (5)
1. An expansion arm for fire rescue in a narrow space, which is characterized by comprising:
a hydraulic expansion clamp (1);
the expansion arm assembly (2) is an X-shaped expansion arm, and one end of the expansion arm assembly (2) is movably connected with the jaw of the hydraulic expansion clamp (1) and used for penetrating into a narrow space.
2. The expansion arm for fire rescue in a narrow space according to claim 1, wherein the expansion arm assembly (2) comprises a first expansion arm (201) and a second expansion arm (202), the first expansion arm (201) and the second expansion arm (202) are identical and are V-shaped plates, and the first expansion arm (201) exchanges heat with the second expansion arm (202) and is symmetrically connected at the bending position of the V-shaped plates.
3. The expansion arm for fire rescue in a narrow space according to claim 2, wherein the first expansion arm (201) and the second expansion arm (202) comprise two parallel V-shaped plates, the middle bending positions of the first expansion arm (201) and the second expansion arm (202) are movably connected, and the bearing strength and the expansion angle of the expansion arm assembly (2) are enhanced.
4. The expansion arm for fire rescue in a narrow space according to claim 2, wherein through holes are formed in both ends and in the middle positions of the first expansion arm (201) and the second expansion arm (202), one ends of the first expansion arm (201) and the second expansion arm (202) are movably connected with the jaw of the hydraulic expansion pliers (1) through bolts (3), and the middle positions of the first expansion arm (201) and the second expansion arm (202) are movably connected through bolts (3).
5. Expansion arm for fire rescue in narrow spaces according to claim 1, characterized in that the end of the hydraulic expansion clamp (1) remote from the jaw is connected with a hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411331.1U CN220714592U (en) | 2023-09-05 | 2023-09-05 | Expansion arm for fire rescue in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411331.1U CN220714592U (en) | 2023-09-05 | 2023-09-05 | Expansion arm for fire rescue in narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220714592U true CN220714592U (en) | 2024-04-05 |
Family
ID=90498514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322411331.1U Active CN220714592U (en) | 2023-09-05 | 2023-09-05 | Expansion arm for fire rescue in narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220714592U (en) |
-
2023
- 2023-09-05 CN CN202322411331.1U patent/CN220714592U/en active Active
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