CN207315208U - A kind of security against fire hook ladder - Google Patents
A kind of security against fire hook ladder Download PDFInfo
- Publication number
- CN207315208U CN207315208U CN201720846897.9U CN201720846897U CN207315208U CN 207315208 U CN207315208 U CN 207315208U CN 201720846897 U CN201720846897 U CN 201720846897U CN 207315208 U CN207315208 U CN 207315208U
- Authority
- CN
- China
- Prior art keywords
- hook
- terraced body
- arm
- sawtooth
- security against
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Ladders (AREA)
- Emergency Lowering Means (AREA)
Abstract
The utility model belongs to the technical field of fire-fighting equipment, disclose a kind of security against fire hook ladder, including terraced body and the hook for being arranged on terraced body one end, the hook includes vertical arm and inclined arm, one end of the vertical arm is connected with terraced body, the other end is rotatedly connected by shaft and inclined arm, locking mechanism is provided between the inclined arm and vertical arm, the locking mechanism is used for the rotational angle between constant tilt arm and vertical arm, the sawtooth of stair shape, the terraced body of crown direction of the sawtooth are provided with the side of the inclined arm towards terraced body.The utility model by straight hook by being changed to oblique hook, and using the sawtooth of stair shape, the firmness that sawtooth coordinates with wall is added, expands reliability and security that hook ladder coordinates with different materials structural wall, at the same time, insurance shelves and safety line are being provided with, is further increasing security, increased firing pin can be used for shattered glass, in addition, it is simple in structure, it is easy to operate, there is very big market popularization value.
Description
Technical field
It the utility model is related to the technical field of fire-fighting equipment, more particularly to a kind of security against fire hook ladder.
Background technology
With the development of Building technology, more and more skyscrapers are rised sheer from level ground, fire of high-rise building accident rate
Increase year by year.Since the floor of skyscraper is higher, once so fire floor occurs in high level, angle of the list from outdoor attack
See, except exterior stair, Elevating platform fire truck, hook and ladder and existing 15 meters of metals draw ladder to be unable to reach rescue
The special vehicles such as floor, especially Elevating platform fire truck and hook and ladder application above be subject to turning radius, expansion radius,
Face bears situation, the limitation of many factors is blocked etc. by height or periphery trees, densely covered height piezoelectric wire, at this time then needs
Want fireman to climb to fire floor using fire fighting hook ladder layering and implement fire fighting or rescue.But existing fire fighting hook ladder is main
Formed by terraced body and in the straight hook with several triangle broached-tooth designs that terraced body one end is set, for the straight of triangle broached-tooth design
Hook, optimized suspension supporter are smooth wood materials, allow multiple triangle sawtooth to be caught in wood and implement to fix, but are primarily now
The construction materials such as some steel, aluminium, plastics or building structure body, seriously affect the firmness and security of the type hook ladder,
Very unstable meanwhile the design of the straight hook is in the case of no protection, for fireman in climbing, this kind of hook is easy
Window frame or window structure are only hung over, rather than is suspended on solid wall, causes hook to be easily separated from fixture and causes the accident.In addition it is high
Layer construction window uses tempered glass more, and hook ladder is difficult to tempered glass is implemented to destroy, so as to be difficult to further operation.
Utility model content
The utility model provides a kind of security against fire hook ladder, solves the firmness and security of existing fire fighting hook ladder
The problems such as poor.
The utility model can be achieved through the following technical solutions：
A kind of security against fire hook ladder, including terraced body and the hook for being arranged on terraced body one end, the hook include vertical arm
And inclined arm, one end of the vertical arm are connected with terraced body, the other end is rotatedly connected by shaft and inclined arm, the inclined arm
Locking mechanism is provided between vertical arm, the locking mechanism is used for the rotational angle between constant tilt arm and vertical arm,
The sawtooth of stair shape, the terraced body of crown direction of the sawtooth are provided with the side of the inclined arm towards terraced body.
Further, insurance shelves are provided with the endpoint of the one end of the inclined arm away from terraced body, the insurance shelves are to downward
Stretch, the length direction angle of extension line and terraced body is 1 degree~5 degree.
Further, the described one end of insurance shelves away from inclined arm is provided with glass firing pin, and the glass firing pin is used to smash
Glass.
Further, the length range of the insurance shelves is 10 centimetres~20 centimetres.
Further, the angular range on the sawtooth both sides is 85 degree~89 degree.
Further, the locking mechanism is using pin and backstop groove coordinates or spring pin and mating recesses.
Further, it is provided with protection rope between the top and end of the terraced body.
The utility model is beneficial to be had technical effect that：
By the way that straight hook is changed to oblique hook, and using the sawtooth of stair shape, the firmness that sawtooth coordinates with wall is added, is expanded
The reliability and security that big hook ladder coordinates with more different-thickness and different materials wall, meanwhile, in oblique hook away from ladder
One end of body sets insurance shelves, and adds safety line, further increases security, firing pin can be used for shattered glass, separately
Outside, it is simple in structure, it is easy to operate, there is very big market popularization value.
Brief description of the drawings
Fig. 1 is the front view of the hook of the utility model；
Wherein, 1- ladders body, 2- hooks, 21- vertical arm, 22- inclined arms, 23- sawtooth, 24- insurance shelves, 3- walls.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describes specific embodiment of the present utility model in detail.
As shown in Figure 1, the utility model provides a kind of security against fire hook ladder, including terraced body 1 and it is arranged on terraced body 1 one
The hook 2 at end, the hook 2 include vertical arm 21 and inclined arm 22, and one end of the vertical arm 21 is connected with terraced body 1, the other end with
Inclined arm 22 is rotatedly connected by shaft, and is provided with locking mechanism between vertical arm 21 and inclined arm 22, the locking machine
Structure is used to fix the rotational angle between vertical arm 21 and inclined arm 22.
The sawtooth 23 of stair shape, the crown direction ladder of the sawtooth 23 are provided with the side of the inclined arm 22 towards terraced body 1
Body 1, and the angle on 23 both sides of sawtooth is slightly less than 90 degree, since in actual use, under the effect of gravity, hook 2 is overall oriented
On the trend that outwards turns, it may occur that some elastic deformations, thus from engineering actually for, after the expansion of hook 2, the saw of stair shape
Some predeformation is left in the design of tooth 23 so that after stress, the sawtooth 23 of stair shape is more bonded with wall 3, therefore, angle
Scope may be designed as 85 degree~89 degree, in this way, both having added the firmness that sawtooth 23 coordinates with wall 3, have also been enlarged hook ladder
The possibility coordinated with the wall 3 of more different-thickness.
Be provided with insurance shelves 24 at the endpoint of the one end of the inclined arm 22 away from terraced body 1, the insurance shelves 24 be hook ladder with
Last one of safety guarantee between the walls, in strip, extends downwardly, and the length direction of its extension line and terraced body 1 is not completed
Parallel, its angle may be designed as 1 degree~5 degree, it is contemplated that existing balconied height, the length range of the insurance shelves 24 are designed as 20
Centimetre~40 centimetres.The one end of the insurance shelves 24 away from inclined arm 22 is provided with glass firing pin, which is used to smash
Glass, so in close, is more convenient hook ladder and enters through glass, implement rescue.
The locking mechanism can use pin and backstop groove to coordinate either spring pin and mating recesses or other classes
Like feasible scheme.
In addition, usually when training tower trains hook ladder, a rope is connected with fireman, rope is from training tower eminence
Pulley pass through, then descend dough figurine haul rope drink spike climbing in fireman, prevent from accidentally dropping when team member from training and fall.It is but real
In war application, it is impossible to there is the local pulley that installs in advance to carry out wire rope handling protection, therefore, set between the top and end of terraced body 1
One protection rope, will protect the lap belt with rope and fireman to connect by dropping preventer, potential energy absorber etc.,
In this way, fireman it is normal climb up climb down when, dropping preventer is not influenced above and below it, but is accidentally dropped when falling, and dropping preventer can tightly block
On protection rope, prevent fireman from falling, play a protective role.
The utility model, using the sawtooth of stair shape, adds sawtooth and coordinates with wall by the way that straight hook is changed to oblique hook
Firmness, expand reliability and security that hook ladder and more different-thickness and different materials wall coordinate, meanwhile,
The one end of oblique hook away from terraced body sets insurance shelves, and adds safety line, further increases security, and firing pin can be used for hitting
Pin glass, in addition, it is simple in structure, it is easy to operate, there is very big market popularization value.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and on the premise of the principle and essence without departing substantially from the utility model, these embodiments can be done
Go out various changes or modifications, therefore, the scope of protection of the utility model is defined by the appended claims.
Claims (7)
1. a kind of security against fire hook ladder, including terraced body (1) and the hook (2) for being arranged on terraced body (1) one end, it is characterised in that：
The hook (2) includes vertical arm (21) and inclined arm (22), and one end of the vertical arm (21) is connected with terraced body (1), another
End is rotatedly connected by shaft and inclined arm (22), and locking mechanism is provided between the inclined arm (22) and vertical arm (21),
The locking mechanism is used for the rotational angle between constant tilt arm (22) and vertical arm (21), in the inclined arm (22) direction
The side of terraced body (1) is provided with the sawtooth (23) of stair shape, the terraced body (1) of crown direction of the sawtooth (23).
2. security against fire hook ladder according to claim 1, it is characterised in that：The inclined arm (22) is away from terraced body (1)
One end endpoint at be provided with insurance shelves (24), the insurance shelves (24) extend downwardly, extension line and the length side of terraced body (1)
It it is 1 degree~5 degree to angle.
3. security against fire hook ladder according to claim 2, it is characterised in that：The insurance shelves (24) are away from inclined arm
(22) one end is provided with glass firing pin, and the glass firing pin is used for shattered glass.
4. security against fire hook ladder according to claim 2, it is characterised in that：It is described insurance shelves (24) length range be
10 centimetres~20 centimetres.
5. security against fire hook ladder according to claim 1, it is characterised in that：The angular range on sawtooth (23) both sides
For 85 degree~89 degree.
6. security against fire hook ladder according to claim 1, it is characterised in that：The locking mechanism is using pin and only
Retaining groove coordinates or spring pin and mating recesses.
7. the security against fire hook ladder according to one of claim 1-6, it is characterised in that：On the top of the terraced body (1)
Protection rope is provided between end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720846897.9U CN207315208U (en) | 2017-07-13 | 2017-07-13 | A kind of security against fire hook ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720846897.9U CN207315208U (en) | 2017-07-13 | 2017-07-13 | A kind of security against fire hook ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315208U true CN207315208U (en) | 2018-05-04 |
Family
ID=62434715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720846897.9U Expired - Fee Related CN207315208U (en) | 2017-07-13 | 2017-07-13 | A kind of security against fire hook ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315208U (en) |
-
2017
- 2017-07-13 CN CN201720846897.9U patent/CN207315208U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20190713 |