CN112451248B

CN112451248B - Hospital fire refuge and escape nursing bed

Info

Publication number: CN112451248B
Application number: CN202011484458.0A
Authority: CN
Inventors: 白文停
Original assignee: Quzhou Fujie Medical Equipment Co ltd
Current assignee: Quzhou Fujie Medical Equipment Co.,Ltd.
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2022-01-18
Anticipated expiration: 2040-12-16
Also published as: CN112451248A

Abstract

A hospital fire refuge nursing bed belongs to the field of medical instruments and comprises: the device comprises universal wheels, a base, a clamping device, a window breaking device, an escape bed body, a winch, a fixing device, a walking motor and a driving wheel; when a fire disaster occurs, the two arc-shaped heat insulation plates drive the gear rack to be closed through the driving motor to form a closed space with the semicircular heat insulation plates, and oxygen is supplied to the space continuously, so that a space for preventing smoke from entering and insulating heat for refuge is provided for critical patients in the fire disaster, and a large amount of time is provided for rescue work; the rocking bar device of the invention is operated by patients with serious illness to realize the front-back and left-right movement of the whole bed body, so that the clamping device clamps the windowsill, the window breaking device breaks the window, and the fixing device is fixed, the closed space formed by the whole bed body is pulled by the rope output by the winch under the driving of the gear rack, and the bed body is sent to the outdoor along the window to realize the self-rescue escape from fire.

Description

Hospital fire refuge and escape nursing bed

Technical Field

The invention relates to the field of medical instruments, in particular to a hospital fire refuge escape nursing bed.

Background

The corresponding multifunctional nursing bed is not available to help the patient to perform rehabilitation nursing in daily life of a hospital, but in extreme environments, such as: when a fire disaster happens, as a large number of patients in a hospital cannot walk and the mobility of most patients is poor, medical workers cannot rescue all the patients in a short time in the process of rescuing the patients, and meanwhile, more medical workers can be injured and killed due to patient rescue;

the invention patent with the patent number of 200910130527.5 discloses a multifunctional bed capable of saving energy, preventing disaster and improving sleep, which is characterized in that the bed is designed into a container which is independent from the external environment at least in certain aspects of air temperature, humidity, sound, light and the like; it mainly comprises a box-shaped bed bottom cover with an upward opening and a box-shaped bed upper cover with a downward opening; the bed top cover is opened or sealed and closed with the bed bottom cover by lifting on the supporting upright post of the bracket of the bed top cover; the bed bottom cover and the bed top cover are both of a multilayer structure and at least comprise an outer shell, a fireproof heat-preservation sound-insulation layer and an inner shell; at least one of lighting and audio-visual devices is arranged in the bed cover; an air supply pipe and an exhaust pipe which are communicated with the outside are arranged on the bed bottom cover; the multifunctional bed capable of saving energy, preventing disaster and improving sleep can be designed into infant beds and hospital beds, and can be used for passengers in hotels, stations, docks and airports and office workers needing lunch break;

although the invention realizes certain disaster prevention function, the structure of the invention is mainly composed of a box-shaped bed bottom cover with an upward opening and a box-shaped bed upper cover with a downward opening; the bed top cover is opened or sealed and closed with the bed bottom cover by lifting on the supporting upright post of the bracket of the bed top cover; the structure can not meet the requirements of small occupied space, convenient carrying or moving and the like of hospitals; in addition, the multifunctional bed capable of saving energy, preventing disasters and improving sleep in case of disasters can only realize in-situ waiting for rescue and cannot escape automatically.

Disclosure of Invention

Aiming at the situation, in order to solve the problems, the invention provides a hospital fire refuge escape nursing bed, when a fire disaster happens, two arc-shaped heat insulation plates are matched with a semicircular heat insulation plate under the driving of a gear rack to form a closed space, so that the occupied space is greatly saved, the movement is convenient, and a smoke-preventing, heat-insulating and refuge space is provided for a patient in the fire disaster; meanwhile, the invention is also operated to clamp, break and fix the window for the patient with less illness, and the enclosed space formed by the whole bed body is sent to the outdoor escape from the birth day by the winch along the window.

The technical scheme adopted by the invention is as follows: a hospital fire refuge escape nursing bed comprises: universal wheels, a base, a winch, a walking motor and a driving wheel; two universal wheels are fixedly arranged on the front end support leg of the base, and two walking motors are fixedly arranged on the rear end support leg of the universal wheels; the driving wheel is fixedly arranged on the output shaft of the walking motor; the winch is fixedly arranged at the rear end of the base; the base further includes: the driving motor is fixedly arranged on the base main body and is arranged in the middle of the base main body; the pinion is fixedly arranged on the rotating shaft of the driving motor; it is characterized by also comprising: the device comprises a clamping device, a window breaking device, an escape bed body and a fixing device; the clamping device is fixedly arranged at the front end of the base; the escape bed body is slidably arranged at the upper end of the base; the window breaking device is slidably arranged at the front end of the escape bed body; the fixing device is fixedly arranged at the rear end of the base and positioned at two sides of the winch;

the chucking device includes: the clamping jaw, the fixing buckle, the connecting rod, the sliding butterfly buckle and the electric push rod I are arranged on the connecting rod; the number of the clamping jaws is at least two, and the middle parts of the clamping jaws are rotationally connected with the fixing buckle; the middle part of the fixing buckle is fixedly arranged at the top end of an extension rod of the electric push rod; the sliding butterfly-shaped buckle is fixedly arranged on the base main body and is in sliding connection with an extension rod of the electric push rod; the connecting rod is rotationally connected between the clamping jaw and the sliding butterfly buckle; a shell of the electric push rod is fixedly arranged on the base main body, and an extension rod of the electric push rod is connected with the base main body in a sliding manner;

the bed body of fleing includes: the device comprises an arc-shaped heat insulation plate, a driving motor III, a gear II, a semicircular heat insulation plate, a long rack, a T-shaped sliding block, a bed plate and a lifting back plate; the long rack is fixedly arranged at the lower end of the bed plate and is positioned in the middle; the T-shaped sliding blocks are fixedly arranged at the lower end of the bed plate and are positioned on two sides of the long rack; the bed board is connected with the base main body in a sliding mode through the T-shaped sliding block, and the pinion is meshed with the long rack; one end of the lifting back plate is hinged on the bed plate; the semicircular heat insulation plates are fixedly arranged on the bed plate and are arranged at the front end and the rear end of the bed plate; the left side and the right side of the bed board are respectively provided with a sliding block, the inner side of the arc-shaped heat insulation plate is provided with a rack and a T-shaped guide groove, and the arc-shaped heat insulation plate is slidably arranged on the left side and the right side of the bed board through the T-shaped guide grooves; the left and right sides of the bed plate are respectively provided with a second gear which is mutually meshed with the racks on the inner sides of the corresponding arc-shaped heat insulation plates and is fixedly arranged on an extending shaft of the driving motor III; the driving motor III is fixedly arranged on the bed plate;

the window breaking device comprises: the device comprises a short rack, a first driving motor, a gear, a saw disc, a support connecting frame and a second driving motor; the short rack is fixedly arranged on the bed board and is arranged at the front end of the bed board; one end of the supporting connecting frame is connected with the bed board in a sliding way through a small T-shaped sliding block and is arranged at the rear end of the bed board; the first driving motor is fixedly arranged on the support connecting frame; the gear is fixedly arranged on an output shaft of the driving motor and is meshed with the short rack; the second driving motor is fixedly arranged on the support connecting frame and is positioned on the lower surface of the support connecting frame, and an extending shaft of the second driving motor penetrates through the support connecting frame to be fixedly connected with the saw disc;

the fixing device includes: the electric push rod II, the driving motor IV, the coupler and the expansion drill bit; the electric push rod II is fixedly arranged at the rear end of the base main body and is arranged on two sides of the winch; the driving motor IV is fixedly arranged on the extending shaft of the electric push rod II; four output shafts of the driving motor are fixedly connected with the expansion drill bit through a coupler; the expansion drill bit further comprises: the device comprises a drill bit, an expansion frame, an intermediate rod, a support frame and a pressing block; the middle rod is slidably arranged inside the drill bit; the expansion frame is slidably arranged on the middle rod, and at least four extending claws of the expansion frame correspond to the rectangular grooves in the drill bit; the pressing block is connected with the middle rod in a sliding mode and is positioned at the upper end of the expansion frame; the support frame is connected with the middle rod in a sliding mode and is located on the pressing block, and one end of the support frame is connected with the inner portion of the drill bit through threads.

Furthermore, the four supporting legs of the base are telescopic supporting legs, so that the lifting function of the whole nursing bed is realized.

Furthermore, the left side and the right side of the front end of the bed board are provided with the grippers, and the waist of the bed board is provided with the safety belt, so that the patient can be fixed conveniently in the escape process to avoid secondary damage.

Furthermore, the closed ends of the two arc-shaped heat insulation plates are provided with locking mechanisms, so that the phenomenon that smoke cannot be isolated temporarily due to the fact that the two arc-shaped heat insulation plates are not closed tightly in a fire disaster and the escape bed body is automatically decomposed in the escape process is avoided.

Furthermore, a transfusion rod and a control rocker are fixedly arranged on the bed board and are arranged on one side of the bed board; the transfusion rod is a telescopic transfusion rod; before two arc heat insulating boards are closed, the transfusion rod can contract to the inside, does not hinder the heat insulating board and the bed body to form the enclosure space, and bed body inside still has put oxygen therapy device and guarantees the oxygen content of inner space, realizes the control to whole bed body through the control rocker.

Furthermore, a pumping device is arranged on the bed body, is fixedly arranged on the bed board and is arranged at the lower end of the infusion rod, so that the infusion rod can be contracted to continuously convey liquid for the patient.

Furthermore, the negative ion generators are arranged at the shells of the two arc-shaped heat insulation plates and used for keeping the freshness of the peripheral air of the whole closed space and reducing the harm caused by fire and dense smoke.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) the two arc-shaped heat insulation plates and the semicircular heat insulation plate form a closed space, oxygen can be supplied to the space, and a space which can prevent smoke from entering and insulate heat and refuge is provided for serious patients in a fire disaster, so that a large amount of time is provided for rescue work.

(2) The invention is operated to clamp a windowsill, break a window and fix a patient with a serious disease, and a closed space formed by the whole bed body is sent to the outdoor by a winch along the window, thereby realizing the function of self-rescue and escape from fire.

(3) By the aid of the telescopic infusion rod and the pumping device, when a fire disaster occurs, the refuge space is provided, and meanwhile, infusion can be continued for patients who cannot break away from infusion, so that the fire survival rate of critically ill patients is greatly improved.

Drawings

Fig. 1 is a schematic view of the overall mechanism of the present invention.

Fig. 2 is a schematic view of the base structure of the present invention.

Fig. 3 is a schematic view of the base structure of the present invention.

Fig. 4 is a schematic structural view of the chucking device of the present invention.

Fig. 5 is a schematic structural view of a window breaking device according to the present invention.

Fig. 6 is a schematic structural view of an escape bed body of the present invention.

Fig. 7 is a schematic structural view of an escape bed body of the invention.

Fig. 8 is a schematic structural view of the escaping bed body of the invention after being separated.

Fig. 9 is a schematic structural view of the fixing device of the present invention.

Fig. 10 is a schematic view of the expansion bit structure of the present invention.

Reference numerals: 1-universal wheel, 2-base, 3-clamping device, 4-window breaking device, 5-escape bed body, 6-winch, 7-fixing device, 8-walking motor, 9-driving wheel, 201-driving motor, 202-pinion, 203-base body, 301-claw, 302-fixing buckle, 303-connecting rod, 304-sliding butterfly buckle, 305-electric push rod I, 401-short rack, 402-driving motor I, 403-gear I, 404-saw disc, 405-supporting connecting frame, 406-driving motor II, 501-infusion rod, 502-pumping device, 503-control rocker, 504-arc heat insulation board, 505-driving motor III, 506-gear II, 507-semi-circle heat insulation board, 508-long rack, 509-T type slide block, 510-bed plate, 511-rising back plate, 701-electric push rod two, 702-driving motor four, 703-coupler, 704-expansion drill bit, 7041-drill bit, 7042-expansion rack, 7043-intermediate rod, 7044-support frame and 7045-pressing block.

Detailed Description

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.

In one embodiment, as shown in fig. 1 to 10, a hospital fire refuge escape nursing bed comprises: the device comprises universal wheels 1, a base 2, a winch 6, a walking motor 8 and a driving wheel 9; two walking motors 8 are fixedly arranged on the support legs at the rear ends of the two universal wheels 1 and fixedly arranged on the support legs at the front ends of the bases 2; the driving wheel 9 is fixedly arranged on an output shaft of the walking motor 8 and is used for enabling the whole nursing bed to move front and back, left and right; the winch 6 is fixedly arranged at the rear end of the base; the base 2 further includes: the driving motor 201, the pinion 202 and the base main body 203, wherein the driving motor 201 is fixedly arranged on the base main body 203 and is arranged in the middle of the base main body 203; the pinion 202 is fixedly arranged on the rotating shaft of the driving motor 201; further comprising: the device comprises a clamping device 3, a window breaking device 4, an escape bed body 5 and a fixing device 7; the clamping device 3 is slidably arranged at the front end of the base 2; the escape bed body 5 is slidably arranged at the upper end of the base 2; the window breaking device 4 is slidably arranged at the front end of the escape bed body 5; the fixing device 7 is fixedly arranged at the rear end of the base 2 and is positioned at the lower end of the winch 6;

the chucking device 3 includes: the clamping jaw 301, the fixing buckle 302, the connecting rod 303, the sliding butterfly buckle 304 and the electric push rod I305; four claws 301 are arranged, the middle parts of the claws are rotatably arranged on a fixing buckle 302, and the middle part of the fixing buckle 302 is fixedly arranged at the top end of an extending rod of an electric push rod I305; the sliding butterfly buckle 304 is fixedly arranged on the base main body 203 and is in sliding connection with an extension rod of the electric push rod I305; the connecting rod 303 is rotatably connected between the clamping jaw 301 and the sliding butterfly buckle 304; the first electric push rod 305 shell is fixedly arranged on the base main body 203, and the first electric push rod 305 extension rod is connected with the base main body 203 in a sliding mode; the fixing buckle 302 and the connecting rod 303 are driven by the telescopic motion of the electric push rod I so as to drive the clamping jaws 301 to grasp and release the two clamping jaws 301;

the bed body 5 of fleing includes: the arc-shaped heat insulation plate 504, the driving motor III 505, the gear II 506, the semi-circular heat insulation plate 507, the long rack 508, the T-shaped sliding block 509, the bed plate 510 and the lifting back plate 511; the T-shaped sliding blocks are fixedly arranged at the lower end of the bed plate 510 and are arranged at the left end and the right end; the long rack 508 is fixedly arranged at the lower end of the bed plate 510 and is positioned in the middle; the bed board 510 is connected with the base main body 203 in a sliding way through a T-shaped sliding block 509, and the pinion 202 is meshed with the long rack 508; the pinion 202 and the long rack 508 are driven to be meshed with each other through the driving motor 201, so that the escape bed body 5 is pushed to move away from the bed plate (510); one end of the back lifting plate 511 is hinged on the bed plate 510, so that the back lifting function can be realized; the semicircular heat insulation plates 507 are fixedly arranged on the bed plate 510 and are arranged at the front end and the rear end of the bed plate 510; the left side and the right side of the bed plate 510 are respectively provided with a slide block, the inner side of the arc-shaped heat insulation plate 504 is provided with a rack and a T-shaped guide groove, and the arc-shaped heat insulation plate 504 is slidably arranged on the left side and the right side of the bed plate 510 through the T-shaped guide grooves; a second gear 506 which is meshed with the racks on the inner sides of the corresponding arc-shaped heat insulation plates 504 and fixedly arranged on an extending shaft of a third driving motor 505 is arranged on the left and right of the bed plate 510; a third driving motor 505 is fixedly arranged on the bed plate 510; the lifting, opening and closing of the two arc-shaped heat insulation plates 504 are realized by driving a gear II 506 through a driving motor III 505;

the window breaking device 4 includes: a short rack 401, a first driving motor 402, a gear 403, a saw disc 404, a support connecting frame 405 and a second driving motor 406; the short rack 401 is fixedly arranged on the bed board 510 and is arranged at the front end of the bed board 510; one end of the supporting connecting frame 405 is connected with the bed board 510 in a sliding way through a small T-shaped sliding block and is arranged at the rear end of the bed board 510; the first driving motor 402 is fixedly arranged on the support connecting frame 405; the gear 403 is fixedly arranged on an output shaft of the first driving motor 402 and is meshed with the short rack 401, and the first driving motor 402 drives the gear 403 to realize the left-right movement of the whole window breaking device 4 at the rear end of the bed plate 510 along the T-shaped sliding block; a second driving motor 406 is fixedly arranged on the support connecting frame 405 and is positioned on the lower surface of the support connecting frame 405, an extending shaft of the second driving motor 406 penetrates through the support connecting frame 405 to be fixedly connected with the saw disc 404, and the saw disc 404 is driven by the second driving motor 406 to cut the window frame;

the fixing device 7 includes: the electric push rod II 701, the driving motor IV 702, the coupler 703 and the expansion drill bit 704; the electric push rod II 701 is fixedly arranged at the rear end of the base main body 203 and is arranged at the lower end of the winch 6; a driving motor IV 702 is fixedly arranged on an extending shaft of the electric push rod II 701; an output shaft of a driving motor IV 702 is fixedly connected with an expansion drill bit 704 through a coupler 703; the driving motor IV 702 is driven to descend by the electric push rod II 701, and the driving motor IV 702 drives the expansion drill bit 704 to realize the drilling operation on the ground; the expansion bit 704 further includes: a drill 7041, an expansion frame 7042, an intermediate rod 7043, a support frame 7044, and a pressing block 7045; the middle rod 7043 is slidably mounted inside the drill 7041; the expansion rack 7042 is slidably mounted on the middle rod 7043, and at least four extending claws of the expansion rack 7042 correspond to the rectangular grooves in the drill 7041; the pressing block 7045 is connected with the middle rod 7043 in a sliding way and is positioned at the upper end of the expansion frame 7042; the supporting frame 7044 is slidably connected with the middle rod 7043 and is positioned on the pressing block 7045, and one end of the supporting frame is in threaded connection with the inside of the drill 7041; when the drill hole reaches a certain depth, the middle rod 7043 moves upwards by the reverse rotation of the driving motor IV 702 or the stretching of the electric push rod II 701, so that the compressing block 7045 extrudes the expansion frame 7042 to realize the integral expansion and fixation.

When a fire disaster occurs, the two arc-shaped heat insulation plates drive the gear rack to be closed through the driving motor to form a closed space with the semicircular heat insulation plates, oxygen is continuously supplied into the space, and a space which prevents smoke from entering and insulates heat to be refuge is provided for a serious patient in the fire disaster, so that a large amount of time is provided for rescue work. The patient with a serious disease can move back and forth and left and right by operating the rocker device of the invention, so that the clamping device 3 clamps the windowsill, the window breaking device 4 breaks the window and the fixing device 7 are fixed, the closed space formed by the whole bed body is pulled by the rope output by the windlass 6 under the driving of the gear rack, and the patient is sent to the outdoor along the window to realize fire self-rescue escape.

In an optional implementation manner of the embodiment of the invention, the four supporting legs of the base 2 are telescopic supporting legs, so that the lifting function of the whole nursing bed is realized, and the clamping device 3 can be clamped according to windowsills with different heights.

In an optional implementation manner of the embodiment of the invention, the telescopic infusion rod 501 is arranged and can be contracted to the inside, so that a closed space is not prevented from being formed between the heat insulation plate and the bed body; the pumping device 502 is arranged on the bed body, so that even if the infusion rod 501 contracts, liquid can be continuously delivered to the patient.

In an optional implementation manner of the embodiment of the invention, the left side and the right side of the front end of the bed plate 510 are provided with the hand grips, and the waist part is provided with the safety belt, so that the patient can be fixed to avoid secondary damage in the escape process.

In an alternative embodiment of the present embodiment, two arcuate heat shields 504 are positioned outwardly

And the shell is provided with a negative ion generator for keeping the freshness of the air at the periphery of the whole closed space and reducing the harm caused by fire and dense smoke.

Claims

1. A hospital fire refuge escape nursing bed comprises: the device comprises universal wheels (1), a base (2), a winch (6), a traveling motor (8) and a driving wheel (9); two universal wheels (1) are fixedly arranged on the front end support leg of the base (2), and two walking motors (8) are fixedly arranged on the rear end support leg; the driving wheel (9) is fixedly arranged on an output shaft of the walking motor (8); the winch (6) is fixedly arranged at the rear end of the base; the base (2) further comprises: the device comprises a driving motor (201), a pinion (202) and a base main body (203), wherein the driving motor (201) is fixedly arranged on the base main body (203) and is arranged in the middle of the base main body (203); the pinion (202) is fixedly arranged on a rotating shaft of the driving motor (201); it is characterized by also comprising: a clamping device (3), a window breaking device (4), an escape bed body (5) and a fixing device (7); the clamping device (3) is fixedly arranged at the front end of the base (2); the escape bed body (5) is slidably arranged at the upper end of the base (2); the window breaking device (4) is slidably arranged at the front end of the escape bed body (5); the fixing device (7) is fixedly arranged at the rear end of the base (2) and is positioned at two sides of the winch (6);

the clamping device (3) comprises: the device comprises a claw (301), a fixing buckle (302), a connecting rod (303), a sliding butterfly buckle (304) and an electric push rod I (305); the number of the clamping jaws (301) is at least two, and the middle parts of the clamping jaws are rotatably connected with the fixing buckle (302); the middle part of the fixing buckle (302) is fixedly arranged at the top end of an extension rod of the electric push rod I (305); the sliding butterfly buckle (304) is fixedly arranged on the base main body (203) and is in sliding connection with the extension rod of the electric push rod I (305); the connecting rod (303) is rotatably connected between the clamping jaw (301) and the sliding butterfly buckle (304); the shell of the electric push rod I (305) is fixedly arranged on the base main body (203), and the extension rod of the electric push rod I (305) is connected with the base main body (203) in a sliding way;

the escape bed body (5) comprises: the device comprises an arc-shaped heat insulation plate (504), a driving motor III (505), a gear II (506), a semicircular heat insulation plate (507), a long rack (508), a T-shaped sliding block (509), a bed plate (510) and a lifting back plate (511); the long rack (508) is fixedly arranged at the lower end of the bed plate (510) and is positioned in the middle; the T-shaped sliding block (509) is fixedly arranged at the lower end of the bed plate (510) and is positioned at two sides of the long rack (508); the bed board (510) is connected with the base main body (203) in a sliding way through a T-shaped sliding block (509), and the pinion (202) is meshed with the long rack (508); one end of the back lifting plate (511) is hinged on the bed plate (510); the semicircular heat insulation plates (507) are fixedly arranged on the bed plate (510) and are arranged at the front end and the rear end of the bed plate (510); the left side and the right side of the bed plate (510) are respectively provided with a slide block, the inner side of the arc-shaped heat insulation plate (504) is provided with a rack and a T-shaped guide groove, and the arc-shaped heat insulation plate (504) is slidably arranged on the left side and the right side of the bed plate (510) through the T-shaped guide groove; a second gear (506) which is meshed with the racks on the inner sides of the corresponding arc-shaped heat insulation plates (504) and fixedly arranged on the extending shaft of the driving motor III (505) is arranged on the left and right of the bed plate (510); a driving motor III (505) is fixedly arranged on the bed plate (510);

the window breaking device (4) comprises: the device comprises a short rack (401), a first driving motor (402), a gear (403), a saw disc (404), a support connecting frame (405) and a second driving motor (406); the short rack (401) is fixedly arranged on the bed plate (510) and is arranged at the front end of the bed plate (510); one end of the supporting connecting frame (405) is connected with the bed board (510) in a sliding way through a small T-shaped sliding block and is arranged at the rear end of the bed board (510); the first driving motor (402) is fixedly arranged on the support connecting frame (405); the gear (403) is fixedly arranged on an output shaft of the first driving motor (402) and is meshed with the short rack (401); a second driving motor (406) is fixedly arranged on the support connecting frame (405) and is positioned on the lower surface of the support connecting frame (405), and an extending shaft of the second driving motor (406) penetrates through the support connecting frame (405) to be fixedly connected with the saw disc (404);

the fixing device (7) comprises: the device comprises an electric push rod II (701), a driving motor IV (702), a coupling (703) and an expansion drill bit (704); the electric push rod II (701) is fixedly arranged at the rear end of the base main body (203) and is arranged on two sides of the winch (6); a driving motor IV (702) is fixedly arranged on an extending shaft of the electric push rod II (701); an output shaft of the driving motor IV (702) is fixedly connected with the expansion drill bit (704) through a coupling (703); the expansion drill bit (704) further comprises: the drill bit (7041), the expansion frame (7042), the middle rod (7043), the supporting frame (7044) and the pressing block (7045); the middle rod (7043) is slidably arranged inside the drill bit (7041); the expansion rack (7042) is slidably arranged on the middle rod (7043), and at least four extending claws of the expansion rack (7042) correspond to the rectangular groove in the drill bit (7041); the pressing block (7045) is connected with the middle rod (7043) in a sliding manner and is positioned at the upper end of the expansion frame (7042); the support frame (7044) is connected with the middle rod (7043) in a sliding mode and is located on the pressing block (7045), and one end of the support frame is connected with the inner portion of the drill bit (7041) in a threaded mode.

2. The hospital fire refuge escape nursing bed according to claim 1, wherein the four supporting legs of the base (2) are telescopic supporting legs, so that the lifting function of the whole nursing bed is realized.

3. The hospital fire refuge escape nursing bed according to claim 1, wherein the left and right sides of the front end of the bed board (510) are provided with hand grips, and the waist part is provided with a safety belt, so that a patient can be fixed to avoid secondary damage during the escape process.

4. The hospital fire refuge, escape and nursing bed according to any one of claims 1-3, wherein the closed ends of the two arc-shaped heat insulation plates (504) are provided with locking mechanisms, so that the condition that smoke cannot be isolated temporarily due to the untight closing of the two arc-shaped heat insulation plates (504) in case of a fire and the escape bed body (5) is automatically decomposed in the escape process is avoided.

5. The hospital fire refuge escape nursing bed according to claim 1, characterized in that a transfusion rod (501) and a control rocker (503) are both fixedly mounted on the bed plate (510) and arranged on one side of the bed plate (510); the transfusion rod (501) is a telescopic transfusion rod; before two arc heat insulating boards (504) are closed, transfusion rod (501) can contract to inside, do not hinder the heat insulating board and the bed body and form the enclosure space, and bed body inside still has put oxygen therapy device and guarantees the oxygen content of inner space, realizes the control to whole bed body through control rocker (503).

6. The hospital fire refuge escape nursing bed according to claim 1 or 5, wherein a pumping device (502) is further disposed on the bed body, is fixedly mounted on the bed plate (510), and is disposed at the lower end of the infusion rod, so that the purpose of continuously delivering liquid to the patient even if the infusion rod (501) is contracted is achieved.

7. The hospital fire refuge escape nursing bed according to claim 1 or 5, wherein a negative ion generator is installed at the outer shell of the two arc-shaped heat insulation plates (504) for keeping the freshness of the air at the periphery of the whole closed space and reducing the harm caused by thick smoke of fire.