CN113081506A

CN113081506A - Fire rescue deformation stretcher

Info

Publication number: CN113081506A
Application number: CN202110364390.0A
Authority: CN
Inventors: 苑体鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-05
Filing date: 2021-04-05
Publication date: 2021-07-09

Abstract

A fire rescue deformation stretcher comprises a guardrail self-lifting mechanism, a wheel lifting mechanism, an extension ladder part and an escape box part; comprises a guardrail self-lifting mechanism which plays a role in protecting the patient and preventing the patient from falling off the stretcher in the process of being transported; the wheel lifting mechanism enables the whole stretcher mechanism to move rapidly, thereby gaining precious time for the injury and ensuring the life safety of the injury and the injury; the telescopic ladder part realizes that the stretcher is quickly deformed into a ladder, thereby providing precious time for rescue; the escape box part provides an escape tool for survivors in big fire, so that the life safety of the survivors is ensured; the patient lies down on the movable rod, the weight of the patient presses the movable rod downwards, so that the blocking rod is vertical, the patient is protected, and the patient is prevented from falling off the stretcher in the transportation process; the invention provides a fire rescue deformation stretcher which deforms into different states according to different use requirements, provides powerful help for fire rescue, and ensures the life safety of injured people.

Description

Fire rescue deformation stretcher

Technical Field

The invention relates to the technical field of fire fighting, in particular to a fire rescue deformation stretcher.

Background

The invention aims to overcome the defects in the prior art, and provides a fire rescue deformation stretcher which can be deformed into a ladder and a lifesaving box according to actual conditions, so that the rescue rate is greatly improved, and the life safety of injuries and injuries is ensured.

Disclosure of Invention

Aiming at the technical problems, the invention provides a fire rescue deformation stretcher which deforms into different states according to different use requirements, provides powerful help for fire scene rescue and ensures the life safety of injured people.

The technical scheme adopted by the invention is as follows: a fire rescue transformation stretcher comprises a stretcher part, a telescopic ladder part and an escape box part; the stretcher part comprises: a guardrail self-lifting mechanism and a wheel lifting mechanism;

the telescopic ladder portion comprises: ladder mechanism, anti-slip mechanism

The escape box part comprises: the device comprises a hollow outer frame, a sealing door, a chute D, a crawler, an oxygen cylinder and a sliding door mechanism;

the self-lifting structure of the guardrail of the stretcher part is arranged in the escape box part, the wheel lifting mechanism is arranged at the bottom of the escape box part, and after a patient lies on the self-lifting structure of the guardrail, the wheel lifting mechanism is lowered to rapidly transport the patient;

the ladder mechanism of the extension ladder part is arranged on the lower end surface of the stretcher part, the anti-slip mechanism is arranged on the rear side surface of the escape box part, and after the ladder is lifted, the anti-slip mechanism is manually pulled to play a role in fixing the ladder;

a square hole is formed in the front of the hollow outer frame of the escape box part, and the sliding door mechanism is slidably arranged in the square hole in the front of the hollow outer frame; the two closed doors are respectively installed on two side surfaces of the hollow outer frame in a sliding manner; the sliding chute D is fixedly arranged on the rear side face of the interior of the escape box part, a lead screw is arranged inside the sliding chute D, a motor shaft of the motor is fixedly connected with the lead screw in the sliding chute D, and the lead screw in the sliding chute D is in threaded fit with a threaded hole in the front end of the guardrail self-lifting mechanism; the crawler belts are rotatably arranged on two side surfaces of the escape box part; the oxygen cylinder is arranged at one corner of the bottom surface inside the escape box part.

Preferably, the guard rail self-lifting mechanism of the stretcher section comprises: the device comprises a large bracket, a support plate, a lever A, a support column A, a spring A, a lever B, a support column B, a spring B, a stop lever, a spring C, a clamping block, a movable block, a control rod and a movable rod; the large support is slidably arranged inside the escape box part, a threaded hole is formed in the front end of the large support, the support plate is fixedly arranged in a square hole in the side face of the large support, a plurality of small baffles are arranged on the upper end face of the support plate, the small baffles have a blocking effect on the bounced blocking rod, and the blocking rod is enabled to be vertically upward after the blocking rod bounces; the lever A is rotatably arranged on the pillar A, and one end of the lever A is provided with a cylinder; the strut A is fixedly arranged on the upper end surface of the support plate; one end of the spring A is fixedly connected with the lower end face of the lever A, and the other end of the spring A is fixedly connected with the upper end face of the support plate; the lever B is rotatably arranged on the pillar B, and one end of the lever B is contacted with the other end of the lever A; the support B is fixedly arranged on the upper end surface of the support plate; one end of the spring B is fixedly connected with the lower end face of the lever B, and the other end of the spring B is fixedly connected with the upper end face of the support plate; the gear lever is rotatably arranged on a small cylinder on the side surface of the large bracket; one end of the spring C is fixedly connected with the stop lever, and the other end of the spring C is fixedly connected with the large bracket; the buckling block is fixedly arranged on the support plate; the movable block is slidably arranged in the round hole of the clamping block, and the rear end of the movable block is provided with a small spring which generates elasticity; the two control rods are slidably arranged in square holes at two ends of the large support, and the cylinder on the side surface of the stop lever is rotatably arranged in a circular hole on the side surface of the control rod; the movable rod is slidably arranged in the square end hole of the large support and is in contact with one end of the lever A.

Preferably, the wheel lifting mechanism of the stretcher part comprises: the device comprises a bottom frame, a travelling wheel, a movable plate and an electric cylinder; the bottom frame is fixedly arranged on the lower end surface of the stretcher part; four driving wheels are arranged and are slidably arranged in the bottom frame; four ends of the movable plate are rotatably connected with the four traveling wheels, a motor is arranged in the movable plate, and a motor shaft of the motor is fixedly connected with a shaft of the traveling wheels; the cylinder body part of the electric cylinder is fixedly connected with the lower end face of the escape box part, and the piston rod end of the electric cylinder is fixedly connected with the upper end face of the movable plate.

Preferably, the ladder mechanism of the telescopic ladder section comprises: the device comprises a sliding chute A, a servo motor, a sliding chute B, a hollow ladder frame, a sliding chute C, an inner-layer ladder frame, a control buckle A and a control buckle B; the sliding chute A is fixedly arranged on the lower end face of the large support, and a lead screw is arranged in the sliding chute A; the servo motor is fixedly arranged at one end of the sliding chute A, and a motor shaft of the servo motor is fixedly connected with a lead screw in the sliding chute A; the sliding chute B is fixedly arranged on the lower end face of the large bracket; the hollow ladder frame is slidably mounted between the sliding groove A and the sliding groove B, a sliding block on the side face of the hollow ladder frame is in threaded fit with a lead screw in the sliding groove A, a sliding groove C is arranged on the inner side of the hollow ladder frame, the lead screw and a motor are mounted in the sliding groove C, the motor drives the lead screw to rotate, the inner ladder frame is slidably mounted in the sliding groove C, and a sliding block on the side face of the inner ladder frame is in threaded fit with the lead screw in the sliding groove C; the servo motor drives the screw rod of the chute A, the screw rod in the chute C and the motor to work, and further drives the hollow ladder frame and the inner-layer ladder frame to extend to proper positions; the control button A is slidably arranged in a round hole in the front of the escape box part; control is detained B slidable mounting and is detained A and control and detain B and be used for blocking hollow ladder frame and inlayer ladder frame in hollow ladder frame side round hole, prevents that hollow ladder frame and inlayer ladder frame from sliding down.

Preferably, the anti-slip mechanism of the telescopic ladder portion comprises: the device comprises a fixed block A, a rotating rod A, a front supporting rod, a fixed block B, a rotating rod B, a rear supporting rod, a long rod, a synchronous belt, a gear A and a gear B; the fixing block A is fixedly arranged on the bottom surface of the escape box part, and a round hole and a groove are formed in the fixing block A; the rotating rod A is rotatably arranged in a round hole on the fixed block A; the front supporting rod is rotatably arranged in a groove on the fixed block A and is fixedly connected with the rotating rod A; the fixing block B is fixedly arranged at the back of the escape box part and is provided with a round hole and a groove; the rotating rod B is rotatably arranged in a circular hole on the fixed block B; the rear supporting rod is rotatably arranged in a groove on the fixed block B and is fixedly connected with the rotating rod B; the long rod is rotatably arranged in a round hole on the rear side surface of the hollow outer frame; the synchronous belt is wrapped on the synchronous wheels arranged on the rotating rod A and the long rod; the gear A is fixedly arranged at two ends of the long rod; the gear B is fixedly arranged at two ends of the rotating rod B, and the gear B and the gear A are meshed with each other.

Preferably, the sliding door mechanism of the escape box portion includes: the sliding door is arranged at the upper end of the square hole in the inner side of the hollow outer frame in a sliding mode, grooves are formed in the control panel A, the control panel B and the control panel C, the control panel A, the control panel B and the control panel C are fixedly arranged at the left end and the right end of the square hole in the hollow outer frame respectively, cylinders are arranged at the left end and the right end of the sliding door, and the cylinders on the sliding door are arranged in the grooves formed in the control panel A, the control panel B and the control panel C in.

Preferably, the upper end surface of the movable rod is made of rubber, so that the wounded patient is prevented from being pressed down after lying down, and secondary injury of the wounded patient is avoided;

compared with the prior art, the invention has the beneficial effects that:

when the patient lies down on the movable rod, the weight of the patient presses the movable rod downwards to enable the movable rod to move downwards, so that the blocking rod is erected to protect the patient and prevent the patient from falling off the stretcher in the transportation process.

After the inclination of ladder was confirmed, the fireman need manually outwards pull preceding branch, and at this moment bull stick A rotates, and the back branch also is in the position of corresponding needs, and back branch and preceding branch play the effect of supporting the ladder simultaneously, prevent that the ladder from skidding, guarantee the fireman's of cat ladder safety.

On the fire scene that the intensity of a fire spreads, this equipment deformation becomes inclosed case of fleing again, and the inside motor of spout D starts, drives the lead screw rotation in the spout D, and oxygen cylinder release oxygen provides oxygen for being in the person of saving in the hollow outrigger in the airtight space, guarantees that the person of saving can not threaten the life because of the oxygen deficiency.

When the patient needs to be transported quickly, the electric cylinder works to enable the movable plate to move downwards to drive the wheels to rotate, so that the whole stretcher mechanism can move quickly, precious time is won for the patient, and the life safety of the patient is guaranteed.

Drawings

Fig. 1 and 2 are schematic overall structural diagrams of the present invention.

Fig. 3 and 4 are schematic views of the overall structure of the stretcher part of the invention.

Fig. 5 is a detailed structural schematic view of the guard rail self-lifting mechanism of the stretcher part of the invention.

Fig. 6 is a partial structural view of fig. 5.

Fig. 7 is a schematic structural view of a wheel lifting mechanism of the stretcher part of the invention.

Fig. 8-11 are schematic views of the telescopic ladder of the present invention.

Fig. 12-15 are partial structural schematic views of the escape box of the present invention.

Reference numerals

1-a stretcher part; 2-a telescopic ladder part; 3-escape box part; 101-large support; 102-a plate; 103-lever A; 104-strut a; 105-spring a; 106-lever B; 107-pillar B; 108-spring B; 109-gear lever; 110-spring C; 111-a snap block; 112-active block; 113-a control lever; 114-a movable bar; 115-bottom shelf; 116-a running wheel; 117-a movable plate; 118-an electric cylinder; 201-chute a; 202-a servo motor; 203-chute B; 204-hollow ladder frame; 205-chute C; 206-inner ladder frame; 207-control button a; 208-control button B; 209-fixed block A; 210-rotating rod A; 211-anterior struts; 212-fixed block B; 213-rotating rod B; 214-posterior struts; 215-long rod; 216-a synchronous belt; 217-gear a; 218-gear B; 301-hollow external frame; 302-a closed door; 303-chute D; 304-a sliding door; 305-control panel a; 306-control panel B; 307-control panel C; 308-track; 309-oxygen cylinder.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-15, a fire rescue transformable stretcher includes a stretcher portion 1, a telescopic ladder portion 2 and an escape box portion 3; the stretcher part 1 comprises: a guardrail self-lifting mechanism and a wheel lifting mechanism;

the telescopic ladder portion 2 comprises: ladder mechanism, anti-slip mechanism

The escape box section 3 includes: the device comprises a hollow outer frame 301, a closed door 302, a chute D303, a crawler belt 308, an oxygen cylinder 309 and a sliding door 304 mechanism;

the self-lifting structure of the guard bar of the stretcher part 1 is arranged inside the escape box part 3, the wheel lifting mechanism is arranged at the bottom of the escape box part 3, and after a patient lies on the self-lifting structure of the guard bar, the wheel lifting mechanism is lowered to rapidly transport the patient;

the ladder mechanism of the extension ladder part 2 is arranged on the lower end surface of the stretcher part 1, the anti-slip mechanism is arranged on the rear side surface of the escape box part 3, and after the ladder is lifted, the anti-slip mechanism is manually pulled to play a role in fixing the ladder;

the hollow parts of the four walls of the hollow outer frame 301 of the escape box part 3 are filled with dry ice, so that a strong cooling effect can be achieved in a fire scene, injured patients in the escape box part 3 are protected from being burnt, a square hole is formed in the front of the hollow outer frame 301, and the sliding door 304 mechanism is slidably arranged in the square hole in the front of the hollow outer frame 301; the two closed doors 302 are respectively arranged on two side surfaces of the hollow outer frame 301 in a sliding manner, a fireman lifts the closed doors 302 from the outside or a trapped person lifts the closed doors 302 from the inside, the closed doors 302 move upwards, when the buckles moving to the lower ends of the closed doors 302 are buckled with the buckles above the side surfaces of the hollow outer frame 301, the closed doors 302 rotate on the side surfaces of the hollow outer frame 301, and the two closed doors 302 can tightly cover the upper end surface of the escape box part 3 to keep sealing; the sliding groove D303 is fixedly arranged on the rear side face of the interior of the escape box part 3, a screw rod is arranged inside the sliding groove D303, a motor shaft of the motor is fixedly connected with the screw rod in the sliding groove D303, and the screw rod in the sliding groove D303 is in threaded fit with a threaded hole in the front end of the guardrail self-lifting mechanism; the crawler belts 308 are rotatably arranged on two side surfaces of the escape box part 3; the oxygen cylinder 309 is arranged at one corner of the inner bottom surface of the escape box part 3; specifically, at the scene of a fire that the intensity of a fire spreads, this equipment can be deformed into inclosed case of fleing again, the inside motor of spout D303 starts, drive the lead screw in the spout D303 and rotate, and then drive the guardrail and move down from the mechanism that rises, remove and beat the suitable position, the trapped person lies down the inside of hollow outrigger 301, closed door 302 is covered tightly, track 308 begins to move through motor power, the trapped person is saved from the scene of a fire, oxygen cylinder 309 releases oxygen, provide oxygen for the person of being saved in hollow outrigger 301 that is in the confined space, guarantee that the person of being saved can not be because of the oxygen deficiency and crisis life.

In an alternative embodiment of the invention, the self-lifting mechanism of the guard rail of the stretcher part 1 comprises, in addition to the same components as in the previous embodiment: the device comprises a large bracket 101, a support plate 102, a lever A103, a support A104, a spring A105, a lever B106, a support B107, a spring B108, a shift lever 109, a spring C110, a buckling block 111, a movable block 112, a control rod 113 and a movable rod 114; the large support 101 is slidably arranged inside the escape box part 3, a threaded hole is formed in the front end of the large support 101, the support plate 102 is fixedly arranged in a square hole in the side surface of the large support 101, a plurality of small baffles are arranged on the upper end surface of the support plate 102, the small baffles block the bouncing blocking rod 109, and after the blocking rod 109 bounces, the blocking rod 109 is vertically upwards; the lever A103 is rotatably arranged on the strut A104, and one end of the lever A103 is provided with a cylinder; the support A104 is fixedly arranged on the upper end surface of the support plate 102; one end of a spring A105 is fixedly connected with the lower end face of the lever A103, and the other end of the spring A is fixedly connected with the upper end face of the support plate 102; a lever B106 is rotatably arranged on the support B107, and one end of the lever B106 is contacted with the other end of the lever A103; the support B107 is fixedly arranged on the upper end surface of the support plate 102; one end of the spring B108 is fixedly connected with the lower end face of the lever B106, and the other end of the spring B108 is fixedly connected with the upper end face of the support plate 102; the gear lever 109 is rotatably mounted on a small cylinder on the side surface of the large bracket 101; one end of the spring C110 is fixedly connected with the gear lever 109, and the other end is fixedly connected with the large bracket 101; the buckling block 111 is fixedly arranged on the support plate 102; the movable block 112 is slidably mounted in the circular hole of the clamping block 111, and a small spring is arranged at the rear end of the movable block 112 and generates elasticity; the number of the control rods 113 is two, the two control rods 113 are slidably arranged in square holes at two ends of the large support 101, and a cylinder on the side surface of the stop rod 109 is rotatably arranged in a round hole on the side surface of the control rod 113; the movable rod 114 is slidably arranged in the square end hole of the large bracket 101, and the movable rod 114 is in contact with one end of the lever A103; specifically, when the patient lies on the movable rod 114, the weight of the patient presses the movable rod 114 downward, the movable rod 114 moves downward, the movable rod 114 presses the cylinder on the upper right end surface of the lever a103 downward, so that the left side of the lever a103 moves upward, the left side of the lever a103 contacts the small cylinder on the lower right end surface of the lever B106, so that the right side of the lever B106 moves upward, the left side of the lever B106 moves downward, the right side of the lever B109 contacts the right end of the stopper 109, so that the right end of the stopper 109 moves downward, the left end initial position of the stopper 109 is clamped in the square hole of the locking block 111 by the movable block 112, the right end of the stopper 109 is forced to move downward, the top of the left end of the stopper 109 presses the movable block 112, so that the small spring on the rear end of the movable block 112 compresses, so that the movable block 112 moves into the round hole in the square hole of the locking block 111, so that the left end of the stopper 109 moves upward, and the stopper 109 is finally in a vertical state, at this time, the control rod 113 is also moved upward and outward by a certain position from the original position, so that the blocking rod 109 is erected, thereby protecting the patient and preventing the patient from falling off the stretcher during transportation; when the patient leaves the movable lever 114, the lever 113 is manually pushed inward, and the stopper 109 connected to the lever 113 by a small cylinder is returned from the vertical position to the initial position.

In an alternative embodiment of the invention, the wheel lifting mechanism of the stretcher part 1 comprises, in addition to the same components as the previous embodiment: a bottom frame 115, a traveling wheel 116, a movable plate 117, and an electric cylinder 118; the bottom frame 115 is fixedly arranged on the lower end surface of the stretcher part 1; four driving wheels 116 are arranged, and the four driving wheels 116 are slidably arranged inside the bottom frame 115; four ends of the movable plate 117 are rotatably connected with the four movable wheels 116, a motor is arranged in the movable plate 117, and a motor shaft of the motor is fixedly connected with a shaft of the movable wheels 116; the cylinder body part of the electric cylinder 118 is fixedly connected with the lower end face of the escape box part 3, and the piston rod end of the electric cylinder 118 is fixedly connected with the upper end face of the movable plate 117; specifically, when the patient needs to be transported quickly, the electric cylinder 118 works to move the movable plate 117 downward, the movable plate 117 drives the four movable wheels 116 to move downward, the movable plate 117 moves to a certain position, and the motor inside the movable plate 117 works to drive the movable wheels 116 to rotate, so that the whole stretcher mechanism can move quickly, precious time is won for the patient, and the life safety of the patient is guaranteed.

In an alternative embodiment of the invention, the ladder mechanism of the telescopic ladder section 2 comprises, apart from the same components as in the previous embodiment: the device comprises a chute A201, a servo motor 202, a chute B203, a hollow ladder frame 204, a chute C205, an inner-layer ladder frame 206, a control buckle A207 and a control buckle B208; the sliding chute A201 is fixedly provided with the lower end face of the large bracket 101, and a screw rod is arranged in the sliding chute A201; the servo motor 202 is fixedly arranged at one end of the sliding chute A201, and a motor shaft of the servo motor is fixedly connected with a lead screw in the sliding chute A201; the chute B203 is fixedly arranged on the lower end surface of the large bracket 101; the hollow ladder frame 204 is slidably mounted between the sliding groove A201 and the sliding groove B203, a sliding block on the side surface of the hollow ladder frame 204 is in threaded fit with a lead screw in the sliding groove A201, the sliding groove C205 is arranged on the inner side of the hollow ladder frame 204, the lead screw and a motor are mounted in the sliding groove C205, the motor drives the lead screw to rotate, the inner-layer ladder frame 206 is slidably mounted in the sliding groove C205, and the sliding block on the side surface of the inner-layer ladder frame 206 is in threaded fit with the lead screw in the sliding groove C205; the servo motor 202 drives the screw rod in the chute A201 and the screw rod and the motor in the chute C205 to work, and further drives the hollow ladder frame 204 and the inner-layer ladder frame 206 to extend to proper positions; the control button A207 is slidably arranged in a round hole in the front of the escape box part 3; the control buckle B208 is slidably mounted in a round hole in the side surface of the hollow ladder frame 204, and the control buckle A207 and the control buckle B208 are used for clamping the hollow ladder frame 204 and the inner-layer ladder frame 206 and preventing the hollow ladder frame 204 and the inner-layer ladder frame 206 from sliding downwards; specifically, in a fire scene, when a fireman needs to enter a second floor or a higher floor from the first floor outside a window, the stretcher can be deformed into a ladder, firstly, the fireman manually pulls a handle on the sliding door 304 upwards to pull the sliding door 304 to the side of a square hole at the front end of the hollow outer frame 301, the servo motor 202 is started to drive a lead screw in the sliding groove A201 to rotate, further the hollow ladder frame 204 is driven to move upwards to a proper position, the fireman manually presses the control buckle A207 to a round hole in the side of the hollow ladder frame 204 to fix the height of the ladder, thus the extending length of the hollow ladder frame 204 can be adjusted, convenience is provided for fire rescue, if the height of the hollow ladder frame 204 is not enough, the motor in the hollow ladder frame 204 is started to drive the lead screw in the sliding groove C205 to rotate, further the inner ladder frame 206 is driven to move upwards to a proper position, the fireman presses the control buckle B208 to the round hole in the side of the inner, the height of the ladder is fixed.

In an alternative embodiment of the invention, the anti-slip mechanism of the telescopic ladder portion 2 comprises, in addition to the same components as in the previous embodiment: a fixed block A209, a rotating rod A210, a front supporting rod 211, a fixed block B212, a rotating rod B213, a rear supporting rod 214, a long rod 215, a synchronous belt 216, a gear A217 and a gear B218; the fixing block A209 is fixedly arranged on the bottom surface of the escape box part 3, and a round hole and a groove are formed in the fixing block A209; the rotating rod A210 is rotatably arranged in a round hole on the fixed block A209; the front supporting rod 211 is rotatably arranged in a groove on the fixing block A209, and the front supporting rod 211 is fixedly connected with the rotating rod A210; the fixing block B212 is fixedly arranged behind the escape box part 3, and round holes and grooves are formed in the fixing block B212; the rotating rod B213 is rotatably arranged in a round hole on the fixed block B212; the rear support rod 214 is rotatably arranged in a groove on the fixed block B212, and the rear support rod 214 is fixedly connected with the rotating rod B213; the long rod 215 is rotatably arranged in a round hole on the rear side surface of the hollow outer frame 301; the synchronous belt 216 is wrapped on the synchronous wheels arranged on the rotating rod A210 and the long rod 215; the gear A217 is fixedly arranged at the two ends of the long rod 215; the gear B218 is fixedly arranged at the two ends of the rotating rod B213, and the gear B218 is meshed with the gear A217; after the inclination of the stretcher is determined, a fireman needs to manually pull the front supporting rod 211 outwards, at the moment, the rotating rod A210 rotates to further drive the synchronous belt 216 to rotate to further drive the long rod 215 to rotate to further drive the gear A217 to rotate, the gear A217 drives the gear B218 to rotate, the gear B218 drives the rotating rod B213 to rotate, the rotating rod B213 drives the rear supporting rod 214 to rotate outwards, so that the front supporting rod 211 is pulled to a proper position, the rear supporting rod 214 is located at a corresponding needed position, the rear supporting rod 214 and the front supporting rod 211 simultaneously play a role in supporting the whole machine, the whole machine is prevented from slipping, and the safety of the fireman who is climbing a ladder is ensured;

in an alternative embodiment of the present invention, the sliding door 304 mechanism of the escape box section 3 includes, in addition to the same components as in the previous embodiment: the sliding door 304 is slidably mounted at the upper end of the square hole on the inner side of the hollow outer frame 301, grooves are formed in the control panel A305, the control panel B306 and the control panel C307, the control panel A305, the control panel B306 and the control panel C307 are respectively and fixedly mounted at the left end and the right end of the square hole of the hollow outer frame 301, cylinders are arranged at the left end and the right end of the sliding door 304, and the cylinders on the sliding door 304 are respectively and slidably mounted in the grooves on the control panel A305, the control panel B306 and the control panel C307; specifically, the handle on the sliding door 304 is manually pulled up and down, and the sliding door 304 opens or closes the square hole at the front end of the hollow outer frame 301.

In an alternative embodiment of the present invention, the upper end surface of the movable rod 114 is made of rubber, except for the same parts as the previous embodiment, to ensure that the patient is not pressed down to avoid secondary injury;

the working principle is as follows: when a fire disaster occurs and a common injury needs to be rescued, when the injury lies on the movable rod 114, the weight of the body of the injury presses the movable rod 114 downwards, the movable rod 114 moves downwards, the movable rod 114 presses the cylinder on the upper right end face of the lever A103 downwards, so that the left side of the lever A103 moves upwards, the left side of the lever A103 contacts the small cylinder on the lower right end face of the lever B106, the right side of the lever B106 moves upwards, the left side of the lever B106 moves downwards, the right end of the lever B109 contacts the right end of the stop rod 109, so that the right end of the stop rod 109 moves downwards, the initial left end of the stop rod 109 is clamped in the square hole of the clamping block 111 through the movable block 112, the right end of the stop rod 109 moves downwards under the force, the top of the left end of the stop rod 109 presses the movable block 112, the small spring on the rear end of the movable block 112 is compressed, the movable block 112 moves inwards in the square hole of the clamping block 111, so that the left end of the stop rod 109 moves upwards, finally, the stretcher is in a vertical state, at the moment, the control rod 113 moves upwards and outwards for a certain position from the original position, so that the blocking rod 109 is vertical, the injury is protected, and the injury is prevented from falling off the stretcher in the transportation process; when the patient needs to be transported quickly, the electric cylinder 118 works to enable the movable plate 117 to move downwards, the movable plate 117 drives the four movable wheels 116 to move downwards, the movable plate 117 moves to the position where the crawler belt 308 can be erected, and the motor inside the movable plate 117 works to drive the movable wheels 116 to rotate, so that the whole stretcher mechanism can move quickly, precious time is won for the patient, and the life safety of the patient is guaranteed.

In the fire scene, when a fireman needs to enter a second floor or a higher floor from the first floor outside a window, the stretcher can be deformed into a ladder, firstly, the handle on the sliding door 304 is pulled upwards manually, the sliding door 304 is pulled to the side surface of the square hole at the front end of the hollow outer frame 301, the servo motor 202 is started to drive the lead screw in the sliding groove A201 to rotate, further the hollow ladder frame 204 is driven to move upwards to a proper position, the fireman manually presses the control buckle A207 to the round hole at the side surface of the hollow ladder frame 204 to fix the height of the ladder, thus the extending length of the hollow ladder frame 204 can be adjusted, convenience is provided for fire rescue, if the height of the hollow ladder frame 204 is not enough, the motor inside the hollow ladder frame 204 is started to drive the lead screw in the sliding groove C205 to rotate, further the inner-layer ladder frame 206 is driven to move upwards to a proper position, the fireman presses the control buckle B208 to the round hole at the, fixing the height of the ladder; after the inclination of the stretcher is determined, a fireman needs to manually pull the front supporting rod 211 outwards, at the moment, the rotating rod A210 rotates to further drive the synchronous belt 216 to rotate to further drive the long rod 215 to rotate to further drive the gear A217 to rotate, the gear A217 drives the gear B218 to rotate, the gear B218 drives the rotating rod B213 to rotate, the rotating rod B213 drives the rear supporting rod 214 to rotate outwards, so that the front supporting rod 211 is pulled to a proper position, the rear supporting rod 214 is located at a corresponding needed position, the rear supporting rod 214 and the front supporting rod 211 simultaneously play a role in supporting the whole machine, the whole machine is prevented from slipping, and the safety of the fireman who is climbing a ladder is ensured;

in the fire scene of fire spread, the equipment can be transformed into a closed escape box, the handle on the sliding door 304 is pulled upwards manually, the sliding door 304 is pulled to the square hole at the front end of the hollow outer frame 301, and the square hole is covered; the motor in the chute D303 is started to drive the screw rod in the chute D303 to rotate, so as to drive the large support 101 and the upper structure thereof to move downwards and move to a proper position, a trapped person lies down inside the hollow outer frame 301, a fireman pulls the closed door 302 from the outside or pulls the closed door 302 from the inside, the closed door 302 moves upwards, when the buckle moving to the lower end of the closed door 302 is buckled with the buckle above the side surface of the hollow outer frame 301, the closed door 302 rotates on the side surface of the hollow outer frame 301, the two closed doors 302 can tightly cover the upper end surface of the escape box part 3 to keep sealing, the crawler belt 308 starts to move through the power of the motor to rescue the trapped person from a fire scene, the hollow parts of the four walls of the hollow outer frame 301 are provided with dry ice, a strong cooling effect can be achieved in the fire scene to protect injured patients in the escape box part 3 from being burned, the oxygen bottle 309 releases oxygen, so as to provide oxygen for the trapped person in the hollow outer frame 301 in the closed space, the life of the rescued person is not threatened by oxygen deficiency.

Claims

1. The utility model provides a fire rescue stretcher that warp which characterized in that: comprises a stretcher part (1), an extension ladder part (2) and an escape box part (3); the stretcher part (1) comprises: a guardrail self-lifting mechanism and a wheel lifting mechanism;

the telescopic ladder portion (2) comprises: ladder mechanism, anti-slip mechanism

The escape box part (3) comprises: the oxygen cylinder comprises a hollow outer frame (301), a closed door (302), a chute D (303), a crawler (308), an oxygen cylinder (309) and a sliding door (304) mechanism;

the self-lifting structure of the guardrail of the stretcher part (1) is arranged inside the escape box part (3), the wheel lifting mechanism is arranged at the bottom of the escape box part (3), and after an injury lies on the self-lifting structure of the guardrail, the wheel lifting mechanism is lowered to rapidly transport the injury;

the ladder mechanism of the extension ladder part (2) is arranged on the lower end surface of the stretcher part (1), the anti-slip mechanism is arranged on the rear side surface of the escape box part (3), and when the ladder rises, the anti-slip mechanism is manually pulled to play a role in fixing the ladder;

a square hole is formed in the front of the hollow outer frame (301) of the escape box part (3), and the sliding door (304) mechanism is slidably mounted in the square hole in the front of the hollow outer frame (301); two closed doors (302) are arranged, and the two closed doors (302) are respectively installed on two side surfaces of the hollow outer frame (301) in a sliding manner; the sliding groove D (303) is fixedly arranged on the rear side face of the interior of the escape box part (3), a lead screw is arranged in the sliding groove D (303), a motor shaft of the motor is fixedly connected with the lead screw in the sliding groove D (303), and the lead screw in the sliding groove D (303) is in threaded fit with a threaded hole in the front end of the guardrail self-lifting mechanism; the crawler belts (308) are rotatably arranged on two side surfaces of the escape box part (3); the oxygen cylinder (309) is arranged at one corner of the inner bottom surface of the escape box part (3).

2. A fire rescue transformation stretcher as claimed in claim 1, wherein: the guard rail self-lifting mechanism of the stretcher part (1) comprises: the device comprises a large support (101), a support plate (102), a lever A (103), a support column A (104), a spring A (105), a lever B (106), a support column B (107), a spring B (108), a gear lever (109), a spring C (110), a buckling block (111), a movable block (112), a control rod (113) and a movable rod (114); the large support (101) is slidably arranged inside the escape box part (3), the front end of the large support (101) is provided with a threaded hole, the support plate (102) is fixedly arranged in a square hole on the side surface of the large support (101), the upper end surface of the support plate (102) is provided with a plurality of small baffles, the small baffles have a blocking effect on the bouncing blocking rod (109), and after the blocking rod (109) bounces, the blocking rod (109) is vertically upwards; the lever A (103) is rotatably arranged on the strut A (104), and one end of the lever A (103) is provided with a cylinder; the strut A (104) is fixedly arranged on the upper end surface of the support plate (102); one end of the spring A (105) is fixedly connected with the lower end face of the lever A (103), and the other end of the spring A is fixedly connected with the upper end face of the support plate (102); the lever B (106) is rotatably arranged on the support B (107), and one end of the lever B (106) is contacted with the other end of the lever A (103); the support B (107) is fixedly arranged on the upper end surface of the support plate (102); one end of the spring B (108) is fixedly connected with the lower end face of the lever B (106), and the other end of the spring B is fixedly connected with the upper end face of the support plate (102); the gear lever (109) is rotatably arranged on a small cylinder on the side surface of the large bracket (101); one end of the spring C (110) is fixedly connected with the stop lever (109), and the other end of the spring C is fixedly connected with the large bracket (101); the buckling block (111) is fixedly arranged on the support plate (102); the movable block (112) is slidably arranged in a round hole of the clamping block (111), and a small spring is arranged at the rear end of the movable block (112) and generates elasticity; the two control rods (113) are arranged, the two control rods (113) are slidably arranged in square holes at two ends of the large support (101), and a cylinder on the side surface of the stop rod (109) is rotatably arranged in a round hole on the side surface of the control rod (113); the movable rod (114) is slidably arranged in the square end hole of the large bracket (101), and the movable rod (114) is in contact with one end of the lever A (103).

3. A fire rescue transformation stretcher as claimed in claim 2, wherein: the wheel lifting mechanism of the stretcher part (1) comprises: a bottom frame (115), a traveling wheel (116), a movable plate (117) and an electric cylinder (118); the bottom frame (115) is fixedly arranged on the lower end surface of the stretcher part (1); four driving wheels (116) are arranged, and the four driving wheels (116) are slidably arranged in the bottom frame (115); four ends of the movable plate (117) are rotatably connected with the four traveling wheels (116), a motor is arranged in the movable plate (117), and a motor shaft of the motor is fixedly connected with a shaft of the traveling wheels (116); the cylinder body part of the electric cylinder (118) is fixedly connected with the lower end face of the escape box part (3), and the piston rod end of the electric cylinder (118) is fixedly connected with the upper end face of the movable plate (117).

4. A fire rescue transformation stretcher as claimed in claim 1, wherein: the ladder mechanism of the telescopic ladder section (2) comprises: the device comprises a sliding chute A (201), a servo motor (202), a sliding chute B (203), a hollow ladder frame (204), a sliding chute C (205), an inner-layer ladder frame (206), a control buckle A (207) and a control buckle B (208); the sliding chute A (201) is fixedly installed on the lower end face of the large support (101), and a lead screw is installed inside the sliding chute A (201); the servo motor (202) is fixedly arranged at one end of the sliding chute A (201), and a motor shaft of the servo motor is fixedly connected with a lead screw in the sliding chute A (201); the chute B (203) is fixedly arranged on the lower end surface of the large bracket (101); the hollow ladder frame (204) is slidably mounted between the sliding groove A (201) and the sliding groove B (203), a sliding block on the side of the hollow ladder frame (204) is in threaded fit with a lead screw in the sliding groove A (201), the sliding groove C (205) is arranged on the inner side of the hollow ladder frame (204), the lead screw and a motor are mounted in the sliding groove C (205), the motor drives the lead screw to rotate, the inner-layer ladder frame (206) is slidably mounted in the sliding groove C (205), and the sliding block on the side of the inner-layer ladder frame (206) is in threaded fit with the lead screw in the sliding groove C (205); the servo motor (202) drives a lead screw of the chute A (201) and a lead screw and a motor in the chute C (205) to work, and further drives the hollow ladder frame (204) and the inner-layer ladder frame (206) to extend to proper positions; the control button A (207) is slidably arranged in a front round hole of the escape box part (3); the control buckle B (208) is slidably mounted in a round hole in the side face of the hollow ladder frame (204), and the control buckle A (207) and the control buckle B (208) are used for clamping the hollow ladder frame (204) and the inner-layer ladder frame (206) to prevent the hollow ladder frame (204) and the inner-layer ladder frame (206) from sliding downwards.

5. A fire rescue transformation stretcher as claimed in claim 4, wherein: the anti-slip mechanism of the extension ladder part (2) comprises: the device comprises a fixed block A (209), a rotating rod A (210), a front supporting rod (211), a fixed block B (212), a rotating rod B (213), a rear supporting rod (214), a long rod (215), a synchronous belt (216), a gear A (217) and a gear B (218); the fixing block A (209) is fixedly arranged on the bottom surface of the escape box part (3), and a round hole and a groove are formed in the fixing block A (209); the rotating rod A (210) is rotatably arranged in a round hole on the fixed block A (209); the front supporting rod (211) is rotatably arranged in a groove on the fixing block A (209), and the front supporting rod (211) is fixedly connected with the rotating rod A (210); the fixing block B (212) is fixedly arranged behind the escape box part (3), and a round hole and a groove are formed in the fixing block B (212); the rotating rod B (213) is rotatably arranged in a round hole on the fixed block B (212); the rear supporting rod (214) is rotatably arranged in a groove on the fixed block B (212), and the rear supporting rod (214) is fixedly connected with the rotating rod B (213); the long rod (215) is rotatably arranged in a round hole on the rear side surface of the hollow outer frame (301); the synchronous belt (216) is wrapped and installed on the synchronous wheels of the rotating rod A (210) and the long rod (215); the gear A (217) is fixedly arranged at two ends of the long rod (215); the gear B (218) is fixedly arranged at two ends of the rotating rod B (213), and the gear B (218) is meshed with the gear A (217).

6. A fire rescue transformation stretcher as claimed in claim 5, wherein: the sliding door (304) mechanism of the escape box part (3) comprises: sliding door (304) slidable mounting is in the upper end department of the inboard quad slit of hollow outrigger (301), control panel A (305), control panel B (306), be equipped with the recess on control panel C (307), control panel A (305), control panel B (306), control panel C (307) are fixed mounting respectively and are located at the both ends department about the quad slit of hollow outrigger (301), both ends are equipped with the cylinder about sliding door (304), cylinder on sliding door (304) is in difference slidable mounting in control panel A (305), control panel B (306), in the recess on control panel C (307).

7. A fire rescue transformation stretcher as claimed in claim 1, wherein: the upper end surface of the movable rod (114) is made of rubber, so that the wounded is prevented from being pressed down after lying down, and secondary injury of the wounded is avoided.