CN210714435U - Safety protection type telescopic fire ladder - Google Patents

Abstract

The utility model discloses a safety protection type telescopic fire ladder, which comprises a telescopic fire ladder, when a worker uses the telescopic fire ladder, the telescopic fire ladder is placed at a required position, a motor works to enable a support rod to move downwards to be used for supporting the telescopic fire ladder, when the worker steps on the telescopic fire ladder or jumps to the ground, a control cabinet controls a solenoid valve to work, gas in a toughened gas bottle is continuously inflated into an air bag, the air bag is stretched, the worker falls on the air bag to prevent the worker from being injured, in the utility model, a first lifting device and a second lifting device are arranged to play a certain supporting role for the telescopic fire ladder and increase the application range of the telescopic fire ladder, the telescopic fire ladder can be supported by the first lifting device and the second lifting device, the arrangement of the solenoid valve can control the toughened gas bottle to flow to the air bag, the rescue work of the air bag is realized.

Description

Safety protection type telescopic fire ladder

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, specifically a safety protection type fire ladder that stretches out and draws back.

Background

The flexible fire ladder is that the fire fighter is used for the fire rescue, the ladder that occasion commonly used such as rescue, current flexible fire ladder when the fire fighter rescues or fight a fire, there are other materials such as water on the step, cause the staff to skid under the foot, step on the condition that the sky falls, and step on the sky at the staff and fall, there is not the safety protection measure, cause the injures and deaths of staff, and the staff is when the rescue, because of special reason, can not rescue from normal passageway by the rescue personnel, how safely get back to subaerial by the rescue personnel, be the utility model provides an important problem.

Most of the existing telescopic fire ladders need the supports such as buildings to support so as to be normally used, the application range is narrow, and how the telescopic fire ladder can be normally used when the telescopic fire ladder is not supported by the supports such as buildings, which is also a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety protection type fire ladder that stretches out and draws back to the flexible fire ladder that proposes in solving above-mentioned background art needs the supporter to support just can normal use, and application scope is narrow, and flexible fire ladder is when using, the poor problem of safety protection performance.

In order to achieve the above object, the utility model provides a following technical scheme: a safety protection type telescopic fire ladder comprises a telescopic fire ladder, wherein the telescopic fire ladder comprises ladder units and locking devices, adjacent ladder units are telescopically connected through the locking devices, steps are arranged on the ladder units, a fixing table is hinged to the lower side of the telescopic fire ladder, a control cabinet is arranged on the side face of the fixing table and electrically connected with an external power supply, a first lifting device and a second lifting device are arranged on the steps and located on the same side of the telescopic fire ladder, a cavity with an opening is formed in the fixing table, and a fixing box is arranged on one side of the upper portion of each step;

the interior of the cavity comprises a toughened gas cylinder, a first guide pipe, a second guide pipe, an electromagnetic valve and a gas bag, wherein the toughened gas cylinder and the electromagnetic valve are both connected with the lower side of the fixed platform through bolts;

first elevating gear and second elevating gear all include the motor, the worm wheel, the worm, the lead screw, guide bar and bracing piece, fixed incasement portion is located to the motor, motor output end fixedly connected with worm, worm and worm wheel meshing are connected, be equipped with the lead screw on the worm wheel, the lead screw runs through the worm wheel, the lead screw structure is the slide bar for one end, the other end is the threaded rod, the lead screw passes through the bearing frame bearing for slide bar one end and step downside and connects, the lead screw other end and bracing piece threaded connection, the step downside is equipped with the guide bar, the guide bar runs through the bracing piece, the guide bar is equipped with two, the.

As optimization, the upper side of the step is provided with a first anti-skid pad.

Preferably, the second conduit is Y-shaped.

Preferably, the upper end face and the lower end face of one side of the opening of the fixed table are arc-shaped.

As optimization, the upper side of the fixed platform is provided with a second anti-skid pad.

Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the telescopic fire ladder is hinged with the fixed platform, which is favorable for the telescopic fire ladder to rotate a certain angle according to the required height, and reach the required position for rescue or other work, the arrangement of the first lifting device and the second lifting device plays a certain supporting role for the telescopic fire ladder, prevents the telescopic fire ladder from toppling over, increases the stability of the telescopic fire ladder, prevents workers from being hurt, and the arrangement of the first lifting device and the second lifting device can increase the application range of the telescopic fire ladder, the telescopic fire ladder can be supported by the first lifting device and the second lifting device, and is not necessarily used in occasions needing supports such as buildings and the like, the arrangement of the electromagnetic valve can control the toughened gas cylinder to flow gas to the air bag, thereby realizing the rescue work of the anti-skid air bag, and the arrangement of the first mat and the second anti-skid mat, staff and slipmat area of contact frictional force are big, prevent that the staff foot from smooth or other reasons from slipping, and terminal surface shape is the arc about fixed station opening one side, prevents that the gasbag from aerifing when expanding to the fixed station outside, and gasbag and fixed station side collision, fixed station side edge position have the edges and corners, leads to the gasbag to damage easily, reduces the life of gasbag.

Drawings

FIG. 1 is a schematic view of the overall structure of a safety protection type telescopic fire ladder of the present invention;

FIG. 2 is a side view of the safety protection type telescopic fire ladder of the present invention;

fig. 3 is a schematic structural view of the fixing table of the present invention.

In the figure: 1-telescopic fire ladder, 11-ladder unit, 12-locking device, 3-step, 31-first antiskid pad, 32-fixed box, 4-fixed platform, 41-second antiskid pad, 5-cavity, 51-toughened gas cylinder, 52-first conduit, 53-second conduit, 54-solenoid valve, 55-gas bag, 6-first lifting device, 7-second lifting device, 62-worm wheel, 63-worm, 64-lead screw, 65-guide rod, 66-support rod and 9-control cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a safety protection type telescopic fire ladder comprises a telescopic fire ladder 1, the telescopic fire ladder 1 comprises ladder units 11 and locking devices 12, adjacent ladder units 11 are telescopically connected through the locking devices 12, steps 3 are arranged on the ladder units 11, a fixing table 4 is hinged to the lower side of the telescopic fire ladder 1, a control cabinet 9 is arranged on the side surface of the fixing table 4, the control cabinet 9 is electrically connected with an external power supply, a first lifting device 6 and a second lifting device 7 are arranged on the steps 3, the first lifting device 6 and the second lifting device 7 are positioned on the same side of the telescopic fire ladder 1, a cavity 5 with an opening is arranged inside the fixing table 4, a fixing box 32 is arranged on one side of the upper part of each step 3, the telescopic fire ladder 1 is hinged to the fixing table 4, the telescopic fire ladder 1 can rotate by a certain angle according to the required height to reach the required position for rescue or other work, the first lifting device 6 and the second lifting device 7 are arranged at different positions on the vertical surface of the telescopic fire ladder 1, thus being beneficial to increasing the stability of the first lifting device 6 and the second lifting device 7, the control cabinet 9 is provided with a switch button, when a worker jumps downwards or is escaped from the telescopic fire ladder by a rescue worker, the switch button on the control cabinet 9 is opened, the electromagnetic valve 54 starts to work, the air bag 55 is opened, the worker or the rescued worker is prevented from being injured when falling to the ground, the first lifting device 6 and the second lifting device 7 are arranged to play a certain supporting role on the telescopic fire ladder 1, the telescopic fire ladder 1 is prevented from toppling over, the stability of the telescopic fire ladder 1 is increased, the worker is prevented from being injured, the arrangement of the first lifting device 6 and the second lifting device 7 can increase the application range of the telescopic fire ladder 1, the telescopic fire ladder 1 can be supported by the first lifting device 6 and the second lifting device 7, and is not necessarily used in occasions needing supports such as buildings and the like, the telescopic fire ladder 1 is made of stainless steel, has the characteristics of corrosion resistance, formability, compatibility, toughness and the like, and prolongs the service life of the telescopic fire ladder 1, the ladder unit 11 comprises ladder legs and steps 3, the ladder legs are of hollow structures, the adjacent ladder legs are thin inner ladder legs, the ladder legs are thick outer ladder legs, and the locking device 12 comprises a round head locking pin, a locking spring, a sealing sleeve, a switch spring and a cone head switch; the sealing sleeve is fixed on the inner wall of the inner ladder leg, the locking spring is nested in the sealing sleeve, two ends of the locking spring are connected with the round-head locking pins, the round-head locking pins horizontally penetrate through the small holes in the two nested ladder legs in sequence, the conical-head switch is fixedly provided with the switch spring and is fixed on the outer side wall of the outer ladder leg through the switch spring, the conical-head end of the conical-head switch is positioned in the leg wall of the ladder legs, the conical-head end of the conical-head switch is contacted with the round-head end of the round-head locking pin, when the telescopic fire ladder is required to be used, the ladder units 11 which are contracted together can be stretched, and in the stretching process, when the round-head locking pin positioned in the embedded ladder leg moves to the small hole in the outer ladder leg, the round-head locking pin can penetrate through the small holes under the; after the telescopic fire ladder 1 is used, the conical head switch is pressed down, the conical head switch can push the round-head locking pin back to the embedded ladder legs, meanwhile, under the action of gravity, the inner ladder legs start to slide down, at the moment, the conical head switch is released, and the two ladder legs are contracted together;

the interior of the cavity 5 comprises a toughened gas bottle 51, a first conduit 52, a second conduit 53, an electromagnetic valve 54 and a gas bag 55, the toughened gas bottle 51 and the electromagnetic valve 54 are both in bolted connection with the lower side of the fixed station 4, the toughened gas bottle 51 is connected with the electromagnetic valve 54 through the first conduit 52, the electromagnetic valve 54 is connected with the gas bag 55 through the second conduit 53, the gas bag 55 is located at the opening of the cavity 5, the electromagnetic valve 54 is electrically connected with the control cabinet 9, when a worker walks on the step 3, when the gas bag 55 is needed to work, a switch button on the control cabinet 9 controls the electromagnetic valve 54 to work, gas in the toughened gas bottle 51 flows to the gas bag 55 through the conduits, the gas bag 55 expands outwards, the worker falls onto the gas bag 55, and injury to;

the first lifting device 6 and the second lifting device 7 both comprise a motor, a worm wheel 62, a worm 63, a lead screw 64, a guide rod 65 and a support rod 66, the motor is positioned inside the fixed box 32, the output end of the motor 61 is fixedly connected with the worm 63, the worm 63 is meshed with the worm wheel 62, the worm wheel 62 is provided with the lead screw 64, one side of the lead screw 64 is a slide rod and is connected with the lower side of the step 3 through a bearing seat bearing, the other side of the lead screw 64 is in threaded connection with the support rod 66, the lower side of the step 3 is provided with the guide rod 65, the guide rod 65 penetrates through the support rod 66, two guide rods 65 are arranged, the guide rods 65 are positioned on two sides of the lead screw 64, the motor is, for example, the motor with the model Y2-132M-4 is selected, the noise is low when the motor with the model is, worm 63 and worm wheel 62 meshing connection, it rotates to drive worm wheel 62, thereby it rotates to drive lead screw 64, lead screw 64 and bracing piece 66 threaded connection, it rotates to drive bracing piece 66, the bearing frame bearing of lead screw 64 and step 3 downside is connected, bracing piece 66 is under the guide effect of guide bar 65, reciprocate, bracing piece 66 reciprocates the position that needs, motor stall, first elevating gear 6 and second elevating gear 7 move the position that needs, play certain supporting role to flexible fire ladder 1, increase the stability of flexible fire ladder 1, first elevating gear 6 and second elevating gear 7 are located the step 3 of flexible fire ladder 1 intermediate position, do not carry out upper and lower concertina movement with this step 3 corresponding terraced unit 11, prevent to use at every turn and dismantle the motor, staff's working strength.

3 upsides of step are equipped with first slipmat 31, the setting of first slipmat 31, and when the staff went up step 3, staff and first slipmat 31 area of contact frictional force were big, prevented that the staff foot from slipping or other reasons from slipping.

The second conduit 53 is Y-shaped, and the second conduit 53 is arranged to be beneficial to inflating the air sac 55 from two directions, so that the air sac 55 is prevented from being inflated from one direction, the inflating force of the air sac 55 is not uniform, and the air sac 55 cannot be normally opened.

The shape of the upper end face and the lower end face of the opening side of the fixed table 4 is arc-shaped, the upper end face and the lower end face of the opening side of the fixed table 4 are arc-shaped, and therefore when the air bag 55 is inflated to expand to the outer side of the fixed table 4, the air bag 55 collides with the side face of the fixed table 4, edge angles are formed in the edge position of the side face of the fixed table 4, the air bag 55 is easily damaged, and the service life of the.

The upside of fixed station 4 is equipped with second slipmat 41, and the setting of second slipmat 41 can increase staff's instep and fixed station 4's frictional force, prevents that the staff from slipping in rainy day or other weather.

The working principle is as follows: a safety protection type telescopic fire ladder comprises a telescopic fire ladder 1, the telescopic fire ladder 1 comprises ladder units 11 and locking devices 12, adjacent ladder units 11 are telescopically connected through the locking devices 12, when a worker uses the telescopic fire ladder 1, after the telescopic fire ladder 1 is placed at a required position, a motor works to drive a worm 63 to rotate, the worm 63 is meshed with a worm wheel 62 to drive the worm wheel 62 to rotate, the worm wheel 62 drives a lead screw 64 to rotate, the lead screw 64 is in threaded connection with a support rod 66, under the guiding action of a guide rod 65, the support rod 66 moves downwards at the required position to support the telescopic fire ladder 1 and increase the stability of the telescopic fire ladder 1, when the worker steps on the telescopic fire ladder 1, or a fire fighter is jumped from the telescopic fire ladder 1 to the ground by a rescue worker, a switch button on a control electromagnetic valve 54 on a control cabinet 9 works, the gas in the toughened gas bottle 51 is constantly inflated into the air bag 55, the air bag 55 is opened, and the workers and rescued persons fall onto the air bag 55 to prevent the workers from being injured.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a flexible fire ladder of safety protection type, includes flexible fire ladder (1), flexible fire ladder (1) is including terraced unit (11) and locking device (12), and is adjacent terraced unit (11) is connected its characterized in that through locking device (12) telescopically: the fire-fighting ladder is characterized in that steps (3) are arranged on the ladder unit (11), a fixed table (4) is hinged to the lower side of the telescopic fire-fighting ladder (1), a control cabinet (9) is arranged on the side face of the fixed table (4), the control cabinet (9) is electrically connected with an external power supply, a first lifting device (6) and a second lifting device (7) are arranged on the steps (3), the first lifting device (6) and the second lifting device (7) are located on the same side of the telescopic fire-fighting ladder (1), a cavity (5) with an opening is arranged in the fixed table (4), and a fixed box (32) is arranged on one side of the upper portion of each step (3);

the interior of the cavity (5) comprises a toughened gas cylinder (51), a first guide pipe (52), a second guide pipe (53), an electromagnetic valve (54) and an air bag (55), the toughened gas cylinder (51) and the electromagnetic valve (54) are connected with the lower side of the fixing table (4) through bolts, the toughened gas cylinder (51) is connected with the electromagnetic valve (54) through the first guide pipe (52), the electromagnetic valve (54) is connected with the air bag (55) through the second guide pipe (53), the air bag (55) is located at the opening of the cavity (5), and the electromagnetic valve (54) is electrically connected with the control cabinet (9);

the first lifting device (6) and the second lifting device (7) respectively comprise a motor, a worm wheel (62), a worm (63), a lead screw (64), a guide rod (65) and a support rod (66), the motor is arranged in the fixed box (32), the output end of the motor (61) is fixedly connected with the worm (63), the worm (63) is meshed with the worm wheel (62), the lead screw (64) is arranged on the worm wheel (62), the lead screw (64) penetrates through the worm wheel (62), the lead screw (64) is structurally characterized in that one end is a slide rod and the other end is a threaded rod, the lead screw (64) is connected with the lower side of the step (3) through a bearing seat bearing, the other end of the lead screw (64) is connected with the support rod (66) in a threaded manner, the lower side of the step (3) is provided with the guide rod (65), the guide rod (65) penetrates through the support rod (66), the guide rods (65) are positioned on two sides of the screw rod (64).

2. The safety protection type telescopic fire ladder according to claim 1, characterized in that: the upper side of the step (3) is provided with a first anti-skid pad (31).

3. The safety protection type telescopic fire ladder according to claim 2, characterized in that: the second duct (53) is Y-shaped.

4. The safety protection type telescopic fire ladder according to claim 3, characterized in that: the upper end surface and the lower end surface of one side of the opening of the fixed table (4) are arc-shaped.

5. The safety protection type telescopic fire ladder according to claim 4, wherein: and a second anti-skid pad (41) is arranged on the upper side of the fixed table (4).

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