CN216446830U

CN216446830U - Fire rescue hook ladder

Info

Publication number: CN216446830U
Application number: CN202122690605.6U
Authority: CN
Inventors: 柳增祥
Original assignee: Zhenjiang Fire Rescue Detachment
Current assignee: Zhenjiang Fire Rescue Detachment
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-06
Anticipated expiration: 2031-11-04

Abstract

The utility model provides a fire rescue hook ladder, and relates to the technical field of fire ladders. The couple ladder includes: the ladder comprises a ladder body, a hanging beam and a clamping arm; the hanging beam extends forwards from the upper half part of the ladder body; the top end of the clamping arm is rotatably connected with the front end of the hanging beam, and a torsion spring for driving the clamping arm to swing towards the ladder body is arranged between the clamping arm and the hanging beam; the bottom end of the clamping arm is provided with a pull beam extending forwards, and the pull beam is connected with a pull rope. According to the utility model, the hook ladder drives the clamping arms to overcome the elasticity of the torsion spring and stretch through the pull ropes, the clamping arms are placed into a room through the outer window, and the pull ropes are released after the hanging beams are placed on the windowsill, so that the clamping arms and the ladder body clamp a wall body below the outer window under the action of the torsion spring, the hook ladder is ensured to be firmly hung, cannot shake in a climbing process, and is high in safety.

Description

Fire rescue hook ladder

Technical Field

The utility model relates to the technical field of fire ladders, in particular to a fire rescue hook ladder.

Background

In recent years, fire rescue teams have more and more warnings when receiving high-rise residences. When dealing with such an alarm situation, it is often necessary to enter the alarm-related house from the upper floor or the lower floor by using a hook ladder.

The couple ladder is the tradition climbing equipment of fire brigade, and the fire fighter hangs the couple on wooden windowsill in the use, climbs the operation of ascending a height. However, nowadays, wooden windowsills in various buildings are basically eliminated, and concrete poured or brick-built outer wall windowsills are replaced by the wooden windowsills, and most of the wooden windowsills are paved with marble table tops. The unable embedding windowsill mesa of traditional couple ladder couple, can not combine closely, firmly hang, the climbing in-process is rocked seriously, does not have safety arrangement yet, very easily leads to personnel to fall, has not adapted fire rescue actual combat needs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a fire rescue hook ladder, which solves the problem that the hook ladder is not firmly hung.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a fire rescue hook ladder, the hook ladder comprising: the ladder comprises a ladder body, a hanging beam and a clamping arm;

the hanging beam extends forwards from the upper half part of the ladder body;

the top end of the clamping arm is rotatably connected with the front end of the hanging beam, and a torsion spring for driving the clamping arm to swing towards the ladder body is arranged between the clamping arm and the hanging beam;

the bottom end of the clamping arm is provided with a pull beam extending forwards, and the pull beam is connected with a pull rope.

Preferably, the hanging beam, the clamping arm and the pulling beam are arranged in two groups and are respectively positioned on two sides of the ladder body;

the hanging beam is rotatably connected with the clamping arm through a rotating shaft, and a sleeve capable of rotating freely is arranged outside the rotating shaft;

a support rod is arranged at the top end of the ladder body, and a pulley is arranged on the support rod;

the front ends of the two tie beams are connected through a tie rod;

one end of the pull rope is fixed with the pull rod, and the other end of the pull rope passes through the sleeve and the upper portion of the pulley and then extends downwards from the rear of the ladder body.

Preferably, the rear wall of the clamping arm is provided with a screw, and a cushion block is connected to the screw in a threaded manner.

Preferably, the hanging beam comprises: the first hanging beam, the second hanging beam and the hand-screwed screw are arranged on the first hanging beam;

the first hanging beam and the second hanging beam are in telescopic sleeve joint and are fixed through hand-screwed screws.

Preferably, the front end of the ladder body is provided with a plurality of supporting feet.

Preferably, the ladder body comprises a first ladder body and a second ladder body; the bottom of first ladder body is articulated with the top of second ladder body for the second ladder body can fold the rear to first ladder body.

Preferably, the bottom of first ladder body and the top of second ladder body are provided with corresponding bolt and slot respectively, first ladder body passes through bolt and slot with the second ladder body is fixed under the ladder body expanded state.

Preferably, first ladder body and second ladder body are provided with respectively and correspond hanger block and link, first ladder body passes through the hanger block with the second ladder body is fixed under the ladder body fold condition and links.

Preferably, be provided with the safety lever of vertical extension on the montant of ladder body, the top both ends of safety lever all with montant fixed connection, be provided with a plurality of pawls between safety lever and the montant.

(III) advantageous effects

The utility model provides a fire rescue hook ladder. Compared with the prior art, the method has the following beneficial effects:

in the utility model, the hanging beam extends forwards from the upper half part of the ladder body; the top end of the clamping arm is rotatably connected with the front end of the hanging beam, and a torsion spring for driving the clamping arm to swing towards the ladder body is arranged between the clamping arm and the hanging beam; the bottom end of the clamping arm is provided with a pull beam extending forwards, and the pull beam is provided with a pull rope; the hook ladder overcomes the torsional spring elasticity through stay cord drive centre gripping arm and opens, puts into indoorly through the exterior window with the centre gripping arm, hangs the roof beam and places and relieve the stay cord after on the windowsill for centre gripping is carried out to the wall body of exterior window below with the ladder body under the effect of torsional spring to the centre gripping arm, has guaranteed hanging of hook ladder firmly, and the climbing in-process can not rock, and the security is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a left side schematic view of a hook ladder according to an embodiment of the present invention;

fig. 2 is a right side structure schematic view of the hook ladder in the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the application provides a fire rescue couple ladder, has solved the insecure problem of couple ladder suspension.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

in the embodiment of the utility model, the hanging beam extends forwards from the upper half part of the ladder body; the top end of the clamping arm is rotatably connected with the front end of the hanging beam, and a torsion spring for driving the clamping arm to swing towards the ladder body is arranged between the clamping arm and the hanging beam; the bottom end of the clamping arm is provided with a pull beam extending forwards, and the pull beam is provided with a pull rope; the hook ladder overcomes the torsional spring elasticity through stay cord drive centre gripping arm and opens, puts into indoorly through the exterior window with the centre gripping arm, hangs the roof beam and places and relieve the stay cord after on the windowsill for centre gripping is carried out to the wall body of exterior window below with the ladder body under the effect of torsional spring to the centre gripping arm, has guaranteed hanging of hook ladder firmly, and the climbing in-process can not rock, and the security is strong.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example (b):

as shown in fig. 1 and 2, the present invention provides a fire rescue hooking ladder, which includes: a ladder body 10, a hanging beam 20 and a clamping arm 30;

the hanging beam 20 extends forwards from the upper half part of the ladder body 10;

the top end of the clamping arm 30 is rotatably connected with the front end of the hanging beam 20, and a torsion spring for driving the clamping arm 30 to swing towards the ladder body 10 is arranged between the clamping arm 30 and the hanging beam;

the bottom end of the clamping arm 30 is provided with a pull beam 31 extending forwards, and the pull beam 31 is connected with a pull rope 40.

The couple ladder overcomes torsional spring elasticity through stay cord 40 drive centre gripping arm 30 and opens, puts into indoorly through the exterior window with centre gripping arm 30, hangs roof beam 20 and places and relieve stay cord 40 after on the windowsill for centre gripping is carried out to the wall body of exterior window below under the effect of torsional spring to centre gripping arm 30 and ladder body 10, has guaranteed hanging of couple ladder firm, and the climbing in-process can not rock, and the security is strong.

As shown in fig. 1 and 2, two groups of the hanging beam 20, the clamping arm 30 and the pulling beam 31 are respectively arranged at two sides of the ladder body 10;

the hanging beam 20 is rotatably connected with the clamping arm 30 through a rotating shaft 21, and a sleeve 22 capable of rotating freely is arranged outside the rotating shaft 21;

a support rod 11 is arranged at the top end of the ladder body 10, and pulleys 12 are arranged on the support rod 11;

the front ends of the two tension beams 31 are connected through a tension rod 32;

one end of the pull rope 40 is fixed with the pull rod 32, so that the connection between the pull rope 40 and the pull beam 31 is indirectly realized, and the other end of the pull rope passes through the sleeve 22 and the pulley 12 and then extends downwards from the rear of the ladder body 10.

In use, the gripping arms 30 can be actuated to open by pulling the pull cord 40 downward.

As shown in fig. 1 and 2, a screw rod is arranged on the rear wall of the clamping arm 30, a cushion block 33 is connected to the screw rod in a threaded manner, the cushion block 33 is used for being in contact with the inner wall of the wall, the distance between the cushion block 33 and the clamping arm 30 can be finely adjusted through the knob cushion block 33, and the cushion block 33 can be prevented from being in contact with the inner wall of the wall in a scene that the windowsill extends indoors.

As shown in fig. 1 and 2, the hanging beam 20 includes: a first hanging beam 23, a second hanging beam 24 and a hand-screwed screw 25;

the first hanging beam 23 and the second hanging beam 24 are telescopically sleeved and fixed through hand-screwed screws 25. The length of the hanging beam 20 can be adjusted, and the hanging beam is suitable for walls with various thicknesses.

As shown in fig. 1 and 2, a plurality of supporting feet 13 are arranged at the front end of the ladder body 10, and the front ends of the supporting feet 13 are in contact with the outer wall of the wall, so that the ladder body 10 is prevented from being clung to the outer wall of the wall to cause inconvenience in climbing.

As shown in fig. 1 and 2, the ladder section 10 includes a first ladder section 14 and a second ladder section 15; the bottom of first ladder body 14 is articulated with the top of second ladder body 15 for second ladder body 15 can fold to the rear of first ladder body 14, shortens the length of ladder body 10, portable.

As shown in fig. 1, the bottom end of the first ladder body 14 and the top end of the second ladder body 15 are respectively provided with a corresponding bolt and a corresponding slot, and the first ladder body 14 and the second ladder body 15 are fixed through the bolt and the corresponding slot in the unfolded state of the ladder body 10, so that the hook ladder can be effectively prevented from being folded in the hanging process.

As shown in fig. 1, the first ladder body 14 and the second ladder body 15 are respectively provided with corresponding hanging blocks and hanging rings, and the first ladder body 14 and the second ladder body 15 are fixed through the hanging blocks and the hanging rings under the folding state of the ladder body 10, so that the ladder body 10 is prevented from being unfolded in the carrying process.

As shown in fig. 2, a safety rod 50 extending vertically is disposed on a vertical rod of the ladder body 10, both top and bottom ends of the safety rod 50 are fixedly connected with the vertical rod, and a plurality of pawls 51 are disposed between the safety rod 50 and the vertical rod.

When in use, a fireman buckles the safety lock fastened at the waist on the safety rod 50, and the safety lock upwards dials the pawl 51, so that the fireman does not climb upwards; under the condition that the fireman steps on empty, nearest pawl 51 is to the safety lock catch locking, can prevent effectively that the fireman from falling. The firefighter can guarantee safety by fixing the safety rope on the supporting rod 11 when climbing downwards.

In summary, compared with the prior art, the utility model has the following beneficial effects:

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a fire rescue couple ladder which characterized in that, the couple ladder includes: the ladder comprises a ladder body (10), a hanging beam (20) and a clamping arm (30);

the hanging beam (20) extends forwards from the upper half part of the ladder body (10);

the top end of the clamping arm (30) is rotatably connected with the front end of the hanging beam (20), and a torsion spring for driving the clamping arm (30) to swing towards the ladder body (10) is arranged between the clamping arm and the hanging beam;

the bottom end of the clamping arm (30) is provided with a pull beam (31) extending forwards, and the pull beam (31) is connected with a pull rope (40).

2. A fire rescue hooking ladder as claimed in claim 1, characterized in that there are two groups of said hanging beam (20), gripping arm (30) and pulling beam (31), located on either side of the ladder body (10);

the hanging beam (20) is rotatably connected with the clamping arm (30) through a rotating shaft (21), and a sleeve (22) capable of rotating freely is arranged outside the rotating shaft (21);

a support rod (11) is arranged at the top end of the ladder body (10), and pulleys (12) are mounted on the support rod (11);

the front ends of the two tension beams (31) are connected through a tension rod (32);

one end of the pull rope (40) is fixed with the pull rod (32), and the other end of the pull rope passes through the upper part of the sleeve (22) and the pulley (12) and then extends downwards from the rear part of the ladder body (10).

3. A fire rescue hooking ladder as claimed in claim 1, characterized in that the rear wall of the gripping arm (30) is provided with a threaded rod on which a spacer (33) is screwed.

4. A fire rescue hooking ladder as claimed in claim 1, characterized in that said hooking beam (20) comprises: a first hanging beam (23), a second hanging beam (24) and a hand-screwed screw (25);

the first hanging beam (23) is in telescopic sleeve joint with the second hanging beam (24), and the first hanging beam and the second hanging beam are fixed through hand-screwed screws (25).

5. A fire rescue hooking ladder as claimed in claim 1, characterized in that the ladder body (10) is provided at its front end with a number of legs (13).

6. Fire rescue hooking ladder as claimed in any one of claims 1 to 5, wherein the ladder body (10) comprises a first ladder body (14) and a second ladder body (15); the bottom end of the first ladder body (14) is hinged to the top end of the second ladder body (15), so that the second ladder body (15) can be folded to the rear of the first ladder body (14).

7. A firefighting rescue hook ladder as claimed in claim 6, characterized in that the bottom end of the first ladder body (14) and the top end of the second ladder body (15) are provided with corresponding pins and slots, respectively, and the first ladder body (14) and the second ladder body (15) are fixed by the pins and slots in the unfolded state of the ladder bodies (10).

8. Fire rescue hooking ladder as claimed in claim 6, wherein the first ladder body (14) and the second ladder body (15) are provided with corresponding hanging blocks and hanging rings, respectively, and the first ladder body (14) and the second ladder body (15) are fixed by the hanging blocks and the hanging rings in the folded state of the ladder body (10).

9. A firefighting rescue hook ladder as claimed in any one of claims 1 to 5, characterized in that a vertically extending safety bar (50) is arranged on a vertical bar of the ladder body (10), both ends of the top and bottom of the safety bar (50) are fixedly connected with the vertical bar, and a plurality of pawls (51) are arranged between the safety bar (50) and the vertical bar.