CN109481196B - Medical patient transfer bed based on servo motor direct drive - Google Patents

Medical patient transfer bed based on servo motor direct drive Download PDF

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Publication number
CN109481196B
CN109481196B CN201811509007.0A CN201811509007A CN109481196B CN 109481196 B CN109481196 B CN 109481196B CN 201811509007 A CN201811509007 A CN 201811509007A CN 109481196 B CN109481196 B CN 109481196B
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China
Prior art keywords
servo motor
bed
plate
rotating
medical
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CN201811509007.0A
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CN109481196A (en
Inventor
李莹
李津
任芋见
赵倩
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Xian Jiaotong University
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Xian Jiaotong University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A61G7/103—Transfer boards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1032—Endless belts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1034—Rollers, rails or other means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1057—Supported platforms, frames or sheets for patient in lying position

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

A medical patient transfer bed based on direct drive of a servo motor comprises a bed body main body, a rotating mechanism, a belt displacement adjusting mechanism and a feeding pushing mechanism; the bed body main body comprises a bottom plate, a rear baffle and a side plate are arranged on the bottom plate, a bed plate is arranged on a guide rail of the side plate, and the bottom plate is connected to a medical bed bottom frame through a support arm; the rotating mechanism comprises a second servo motor arranged on the medical bed underframe, and the second servo motor drives the rotating shaft, the rotating arm and the bottom plate to move; the belt displacement adjusting mechanism comprises a third servo motor at the tail part of the bed plate, the third servo motor is connected with a second transmission shaft sleeved with rollers, a first servo motor is arranged below the bed plate and connected with a first transmission shaft sleeved with rollers, and the two rollers are connected through a conveying belt; the feeding pushing mechanism comprises a fourth servo motor at the rear end of the bed plate, and the fourth servo motor is connected with a nut fixedly connected inside the bed plate through a screw rod; the invention completes the transportation of the patient in a mechanical mode, ensures the safety and saves the cost.

Description

Medical patient transfer bed based on servo motor direct drive
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a medical patient transfer bed based on direct drive of a servo motor.
Background
All large-scale operations are completed in an operating room, and nursing, treatment and rehabilitation training of patients before and after operations are mostly concentrated in a ward, so that the patients have an indispensable link of switching sickbeds in the process. Meanwhile, the clinical large-scale examination is more and more, the patient is required to be transferred to the examination bed frequently during the examination, and the patient is required to be carried ceaselessly for the patient who cannot walk. The traditional mode of switching the hospital bed is to lift a patient to a hand-push type cart through 3-4 auxiliary personnel, convey the patient to an operating room or an examination room, lift the patient to an operating bed or an examination bed, and convey the patient back to the hospital room after the operation or the examination is finished.
Traditional bed changing mode is hard troublesome, has occupied a large amount of medical personnel's manpower, simultaneously because partial patient receives secondary injury easily in auxiliary staff's handling, if the drainage tube is pulled out, the wound breaks etc..
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the medical patient transfer bed based on the direct drive of the servo motor, which is used for carrying a patient in a mechanical mode, ensuring the safety of the patient and saving the labor cost.
In order to achieve the purpose, the invention adopts the technical scheme that:
a medical patient transfer bed based on direct drive of a servo motor comprises a bed body main body, a rotating mechanism, a belt displacement adjusting mechanism and a feeding pushing mechanism;
the lathe bed main body comprises a bottom plate 5, a rear baffle 23 and a side plate 2 are installed on the upper portion of the bottom plate 5, a guide rail is installed on the inner side of the side plate 2, a bed plate 16 is installed on the guide rail, the bottom plate 5 is connected with a rotating block at the upper end of a supporting arm 7, the lower end of the supporting arm 7 is connected to a medical bed bottom frame 9, and retractable rollers 8 are installed on four stand columns of the medical bed bottom frame 9.
The rotating mechanism comprises a second servo motor 14 arranged on the medical bed underframe 9, the output shaft of the second servo motor 14 is connected with a first rotating shaft 12 through a first transmission belt 13, the first rotating shaft 12 is connected with a second rotating shaft 20 through a second transmission belt 19, the first rotating shaft 12 is connected with a first rotating arm 18, the second rotating shaft 20 is connected with a second rotating arm 21, and the first rotating arm 18 and the second rotating arm 21 are connected with the lower part of the bottom plate 5.
The belt displacement adjusting mechanism comprises a third servo motor 24 arranged on one side of the tail part of the bed plate 16, an output shaft of the third servo motor 24 is connected with a second transmission shaft 30, and a second roller 32 is concentrically sleeved on the second transmission shaft 30;
a first servo motor 3 is arranged on one side of the right middle part below the bed plate 16, an output shaft of the first servo motor 3 is connected with a first transmission shaft 15, and a first roller 33 is concentrically sleeved on the first transmission shaft 15;
the second roller 32 is connected to one end of the conveyor belt 17, and the first roller 33 is connected to the other end of the conveyor belt 17.
The feeding pushing mechanism comprises more than two groups of fourth servo motors 25 placed at the hollowed part at the rear end of the bed plate 16, the fourth servo motors 25 are fixedly connected to the bottom plate 5, an output shaft of each fourth servo motor 25 is connected with one end of a lead screw 27, the lead screw 27 is sleeved in a bearing seat 28, the other end of the lead screw 27 is in threaded connection with a nut 29, and the nut 29 is fixedly connected inside the bed plate 16.
The bed plate 16 is designed to be an inclined plane with an inclined angle, and the guide rail connected with the side plate 2 at the side surface of the bed plate 16 is designed to be a guide rail with an inclined angle.
A control module is arranged on the medical bed underframe 9, and the first servo motor 3, the second servo motor 14, the third servo motor 24 and the fourth servo motor 25 are controlled by the control module.
The invention has the beneficial effects that:
(1) the invention effectively saves the manpower of medical care personnel in the transferring process of the patient, and one person can operate the medical care personnel through the controller, thereby reducing the nursing cost.
(2) The mode of direct drive of the servo motor is adopted, the control is convenient, the bed plate is stable in feeding, and the positioning is accurate.
(3) The bed board designs certain inclination, and the rotor arm passes through servo motor control below the bed board, rotates a reasonable position with the lathe bed whole before the bed board feeds, all provides convenience for the bed board conveniently stretches into patient's health below when feeding.
(4) The guide rail design of bed board side is certain inclination, and when the bed board was retrieved along the guide rail of curb plate inboard, can make the bed board of slope get back to relative bottom plate horizontally position, and the conveyer belt on the bed board has guaranteed patient's steady and safety in the transportation through sliding friction conveying sick bed middle part.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a side view of the present invention.
FIG. 4 is an isometric view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, a medical patient transfer bed based on direct drive of a servo motor comprises a bed body main body, a rotating mechanism, a belt displacement adjusting mechanism and a feeding pushing mechanism;
the lathe bed main body comprises a bottom plate 5, a rear baffle 23 and a side plate 2 are installed on the upper portion of the bottom plate 5, a baffle 1 is installed on the side plate 2, a guide rail is installed on the inner side of the side plate 2, a bed plate 16 is installed on the guide rail, the bottom plate 5 is connected with a rotating block at the upper end of a supporting arm 7, the lower end of the supporting arm 7 is connected to a medical bed bottom frame 9, and retractable rollers 8 are installed on four stand columns of the medical bed bottom.
The rotating mechanism comprises a third connecting plate 10 installed on a medical bed underframe 9, a second connecting plate 11 is installed on the third connecting plate 10, a second servo motor 14 is installed on the second connecting plate 11, an output shaft of the second servo motor 14 is connected with a first rotating shaft 12 through a first transmission belt 13, the first rotating shaft 12 is connected with a second rotating shaft 20 through a second transmission belt 19, the first rotating shaft 12 is connected with a first rotating arm 18, the second rotating shaft 20 is connected with a second rotating arm 21, the first rotating arm 18 and the second rotating arm 21 are both connected with a first connecting plate 6, and the first connecting plate 6 is connected to the lower portion of a bottom plate 5.
The belt displacement adjusting mechanism comprises a third servo motor 24 arranged on one side of the tail part of the bed plate 16, an output shaft of the third servo motor 24 is connected with a second transmission shaft 30 through a second speed reducer 31, and a second roller 32 is concentrically sleeved on the second transmission shaft 30;
a first servo motor 3 is arranged on one side of the right middle part below the bed plate 16, an output shaft of the first servo motor 3 is connected with a first transmission shaft 15 through a first speed reducer 4, and a first roller 33 is concentrically sleeved on the first transmission shaft 15;
the second roller 32 is connected to one end of the conveyor belt 17, and the first roller 33 is connected to the other end of the conveyor belt 17.
The feeding pushing mechanism comprises seven groups of fourth servo motors 25 arranged at the hollowed part at the rear end of the bed plate 16, the fourth servo motors 25 are fixed on a motor connecting seat 22, the motor connecting seat 22 is fixedly connected to the bottom plate 5, an output shaft of each fourth servo motor 25 is connected with one end of a lead screw 27 through a coupler 26, the lead screw 27 is sleeved in a bearing seat 28, the other end of the lead screw 27 is in threaded connection with a nut 29, and the nut 29 is fixedly connected to the inside of the bed plate 16.
The bed plate 16 is designed to be an inclined plane with a certain inclination angle, and the guide rail connected with the side plate 2 at the side surface of the bed plate 16 is designed to be a guide rail with a certain inclination angle.
And a control module is arranged on the third connecting plate 10, and the first servo motor 3, the second servo motor 14, the third servo motor 24 and the fourth servo motor 25 are controlled by the control module.
The working principle of the invention is as follows:
when a patient needs to be transferred to an operating room or an examination room from a ward, the transfer bed is stopped beside a patient bed, firstly, a bed body rotating mechanism works, a second servo motor 14 drives a first rotating shaft 12 through a first transmission belt 13, the first rotating shaft 12 drives a second rotating shaft 20 through a second transmission belt 19, the first rotating shaft 12 and the second rotating shaft 20 simultaneously drive a first rotating arm 18 and a second rotating arm 21 to rotate in a direction in which a bed plate 16 needs to be fed, under the driving of the first rotating arm 18 and the second rotating arm 21, the first connecting plate 6 and the bottom plate 5 incline in the same direction, a rotating block at the upper end of a supporting arm 7 inclines along with the bottom plate 5, under the inclination action of the bottom plate 5, the bed plate 16 inclines downwards, when the angle adjustment is timely, the second servo motor 14 stops rotating, and the inclining process is finished;
at the moment, the feeding pushing mechanism works, seven fourth servo motors 25 arranged side by side drive the screw rod 27 to rotate through the coupler 26, the screw rod 27 converts the rotary motion into linear motion to push the nut 29 to feed along the linear direction, the nut 29 pushes the bed plate 16 to feed along the guide rail on the inner side of the side plate 2 along the linear direction, the bed plate 16 is inserted below the body of a patient, and the fourth servo motors 25 stop rotating;
then, the belt displacement adjusting mechanism works, the first servo motor 3 and the third servo motor 24 rotate to drive the conveying belt 17 to rotate backwards, the patient is conveyed to the middle of the bed plate 16 through sliding friction force, at the moment, the first servo motor 3 and the third servo motor 24 stop rotating, the fourth servo motor 25 rotates reversely, the bed plate 16 is drawn back in the opposite direction, the patient is conveyed to the middle of the transfer bed, and medical staff push the transfer bed to an operating room or an observation room.
If the patient needs to return to the common sickbed, similar operation can be carried out, and the patient can be safely returned to the sickroom.

Claims (2)

1. A medical patient transfer bed based on direct drive of a servo motor is characterized by comprising a bed body main body, a rotating mechanism, a belt displacement adjusting mechanism and a feeding pushing mechanism;
the lathe bed main body comprises a bottom plate (5), a rear baffle (23) and a side plate (2) are mounted at the upper part of the bottom plate (5), a guide rail is mounted on the inner side of the side plate (2), a bed plate (16) is mounted on the guide rail, the bottom plate (5) is connected with a rotating block at the upper end of a supporting arm (7), the lower end of the supporting arm (7) is connected to a medical bed bottom frame (9), and retractable rollers (8) are mounted on four upright columns of the medical bed bottom frame (9);
the rotating mechanism comprises a second servo motor (14) arranged on a medical bed underframe (9), an output shaft of the second servo motor (14) is connected with a first rotating shaft (12) through a first transmission belt (13), the first rotating shaft (12) is connected with a second rotating shaft (20) through a second transmission belt (19), the first rotating shaft (12) is connected with a first rotating arm (18), the second rotating shaft (20) is connected with a second rotating arm (21), and the first rotating arm (18) and the second rotating arm (21) are connected with the lower part of the bottom plate (5);
the belt displacement adjusting mechanism comprises a third servo motor (24) arranged on one side of the tail of the bed plate (16), an output shaft of the third servo motor (24) is connected with a second transmission shaft (30), and a second roller (32) is concentrically sleeved on the second transmission shaft (30);
a first servo motor (3) is arranged on one side of the middle part below the bed plate (16), an output shaft of the first servo motor (3) is connected with a first transmission shaft (15), and a first roller (33) is concentrically sleeved on the first transmission shaft (15);
the second roller (32) is connected with one end of the conveying belt (17), and the first roller (33) is connected with the other end of the conveying belt (17);
the feeding pushing mechanism comprises more than two groups of fourth servo motors (25) which are arranged at the hollowed part at the rear end of the bed plate (16), the fourth servo motors (25) are fixedly connected to the bottom plate (5), the output shaft of each fourth servo motor (25) is connected with one end of a lead screw (27), the lead screw (27) is sleeved in a bearing seat (28), the other end of the lead screw (27) is in threaded connection with a nut (29), and the nut (29) is fixedly connected inside the bed plate (16);
the bed board (16) is designed to be an inclined plane with an inclined angle, and the guide rail connected with the side plate (2) on the side surface of the bed board (16) is designed to be a guide rail with an inclined angle.
2. The medical patient transfer bed based on direct drive of servo motor of claim 1, characterized in that: a control module is arranged on the medical bed bottom frame (9), and the first servo motor (3), the second servo motor (14), the third servo motor (24) and the fourth servo motor (25) are controlled by the control module.
CN201811509007.0A 2018-12-11 2018-12-11 Medical patient transfer bed based on servo motor direct drive Active CN109481196B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811509007.0A CN109481196B (en) 2018-12-11 2018-12-11 Medical patient transfer bed based on servo motor direct drive

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Application Number Priority Date Filing Date Title
CN201811509007.0A CN109481196B (en) 2018-12-11 2018-12-11 Medical patient transfer bed based on servo motor direct drive

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CN109481196A CN109481196A (en) 2019-03-19
CN109481196B true CN109481196B (en) 2020-08-04

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230277399A1 (en) * 2019-10-18 2023-09-07 Able Innovations Inc. Devices and methods for transferring an object
CN111419552A (en) * 2020-04-21 2020-07-17 哈尔滨思哲睿智能医疗设备有限公司 Automatic patient transfer trolley and automatic patient transfer method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937456A (en) * 1997-08-29 1999-08-17 Norris; John F. Device for transferring a patient to and from a hospital bed
AU2003243480A1 (en) * 2002-06-10 2003-12-22 Astir Technologies, Llc. Body transfer system
CN2621646Y (en) * 2003-06-07 2004-06-30 承伟 Adjustable translational operation table having plane rotary tilt angle
US7540043B2 (en) * 2004-12-03 2009-06-02 Regents Of The University Of Minnesota Portable patient conveyor and methods related thereto
CN2928077Y (en) * 2006-07-27 2007-08-01 王晓冬 Medical transport pushing cart
CN101156818B (en) * 2007-11-21 2010-04-14 北京东方富雷科技发展有限公司 A new type carting bed
CN103550038B (en) * 2013-09-22 2016-04-27 河北普康医疗设备有限公司 One exempts from pressure wound nursing bed
CN105596162B (en) * 2016-02-03 2018-03-13 安徽省华腾农业科技有限公司 A kind of medical transfer frame
CN106938595B (en) * 2017-03-09 2019-01-29 西安交通大学 A kind of amphibious sandy beach spherical shape tour bus of servo motor bias direct-drive type

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