CN207315208U

CN207315208U - A kind of security against fire hook ladder

Info

Publication number: CN207315208U
Application number: CN201720846897.9U
Authority: CN
Inventors: 翟小鹏; 孙春辉
Original assignee: Gaoyou Public Security Fire Brigade
Current assignee: Gaoyou Public Security Fire Brigade
Priority date: 2017-07-13
Filing date: 2017-07-13
Publication date: 2018-05-04
Anticipated expiration: 2027-07-13

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

A kind of security against fire hook ladder

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

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.