CN114767402B - Bed-passing transfer trolley - Google Patents

Bed-passing transfer trolley Download PDF

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Publication number
CN114767402B
CN114767402B CN202210458401.6A CN202210458401A CN114767402B CN 114767402 B CN114767402 B CN 114767402B CN 202210458401 A CN202210458401 A CN 202210458401A CN 114767402 B CN114767402 B CN 114767402B
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sliding seat
bed
longitudinal
transverse
bed board
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CN114767402A (en
Inventor
孔羽
刘文慧
崔嬿嬿
韩月玲
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First Affiliated Hospital of Zhengzhou University
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First Affiliated Hospital of Zhengzhou University
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/02Stretchers with wheels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/04Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G1/00Stretchers
    • A61G1/04Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
    • A61G1/052Struts, spars or legs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1025Lateral movement of patients, e.g. horizontal transfer
    • A61G7/1036Lateral movement of patients, e.g. horizontal transfer facilitating loading and unloading of the patient, e.g. using flaps or additional tilting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2200/00Information related to the kind of patient or his position
    • A61G2200/30Specific positions of the patient
    • A61G2200/32Specific positions of the patient lying
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2210/00Devices for specific treatment or diagnosis
    • A61G2210/30Devices for specific treatment or diagnosis for intensive care

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

Abstract

The invention discloses a transfer trolley for passing through a bed, wherein the head and the tail of a bed plate are respectively connected with a bed body through a secondary transverse telescopic mechanism and a secondary longitudinal telescopic mechanism, the fixed end of the secondary transverse telescopic mechanism is connected with the bed body, and the telescopic end is rotationally and slidably connected with the bed plate; the fixed end of the secondary longitudinal telescopic mechanism is rotationally connected with the bed body and longitudinally and slidably connected with the telescopic end of the secondary longitudinal telescopic mechanism; and the bed body is provided with a first rotary driving mechanism for driving the second-stage longitudinal telescopic mechanism to swing. According to the invention, the two-stage transverse telescopic mechanism, the two-stage longitudinal telescopic mechanism and the first rotary driving mechanism enable the bed board to be capable of moving transversely at the head and longitudinally sliding at the tail to be in an inclined state, then the tail of the bed board moves and swings to drive the head of the bed board to move, the whole bed board is in an upward moving longitudinal state from the inclined state, the bed board successfully bypasses a bedside table beside the bed to stably reach the upper part of a sickbed, and the lifting driving mechanism pushes one side of the bed board to incline, so that the patient on the trolley is further conveniently transferred to the sickbed.

Description

一种过床转移推车A bed transfer trolley

技术领域Technical field

本发明涉及护理技术领域,特别是指一种过床转移推车。The present invention relates to the field of nursing technology, and in particular refers to a bed transfer trolley.

背景技术Background technique

重症监护室(intensive care unit,ICU)患者病情危重,多为意识不清或肢体活动受限,在日常护理中涉及大量过床搬运,在过床搬运中易造成医护人员,尤其是护士的腰肌劳损目前众多学者研究的改良式铺床法,目的多数是减少床单松散率,更长时间保持病床的整洁度、紧绷度,从而提高工作效率及护理质量,是否有助于过床搬运,尚未提及。同时为了减少医护人员的劳动强度,各种过床器具的研究成果也较显著,一些成果已经转化成产品,应用在临床上。近年来,随着这些过床器具应用于一线临床,发现很多不足:功能单一,只能用于过床或搬运;使用后存放不便;临床工作繁重。ICU是过床搬运的主要发生场所,如何在完成高质量铺床的同时,满足方便过床搬运的需求且符合医院感染管理要求,又能在各医疗机构可以普及,是本项目需要解决的问题。Patients in the intensive care unit (ICU) are in critical condition, and most of them are unconscious or have limited body movements. Daily care involves a large number of bed transfers, which can easily cause waist injuries to medical staff, especially nurses, during bed transfers. Muscle Strain The purpose of the improved bed-making method currently studied by many scholars is mostly to reduce the looseness of sheets and keep the bed clean and tight for a longer period of time, thereby improving work efficiency and the quality of care. Whether it is helpful for bed transportation has not yet been determined. mentioned. At the same time, in order to reduce the labor intensity of medical staff, the research results of various bed-passing equipment are also significant, and some results have been transformed into products and used clinically. In recent years, as these bed-passing devices have been used in front-line clinical applications, many shortcomings have been discovered: they have a single function and can only be used for bed-passing or transportation; they are inconvenient to store after use; and the clinical work is heavy. The ICU is the main place where bed transfers occur. How to complete high-quality bed making while meeting the needs of convenient bed transfers and complying with hospital infection management requirements, and making it popular in various medical institutions, is a problem that needs to be solved in this project.

发明内容Contents of the invention

针对上述背景技术中的不足,本发明提出一种过床转移推车,解决了现有技术中重症患者的过床搬运工作繁重的问题。In view of the deficiencies in the above background technology, the present invention proposes a bed transfer trolley, which solves the problem of heavy bed transfer work for critically ill patients in the prior art.

本发明的技术方案是这样实现的:The technical solution of the present invention is implemented as follows:

一种过床转移推车,包括床体和活动设置床体上的床板,床板头部通过二级横向伸缩机构与床体连接,二级横向伸缩机构固定端与床体连接、伸缩端与床板转动且滑动连接;床板尾部通过二级纵向伸缩机构与床体连接,二级纵向伸缩机构固定端与床体转动且纵向滑动连接、伸缩端与床板转动连接;且床体上设有驱动二级纵向伸缩机构摆动的第一转动驱动机构;床板在二级横向伸缩机构带动下头部横移、尾部纵向滑动,并在二级纵向伸缩机构和第一转动驱动机构带动下尾部摆动、头部移动。A bed transfer trolley includes a bed body and a bed board movable on the bed body. The head of the bed board is connected to the bed body through a secondary transverse telescopic mechanism. The fixed end of the secondary transverse telescopic mechanism is connected to the bed body, and the telescopic end is connected to the bed board. Rotating and sliding connection; the tail end of the bed board is connected to the bed body through a secondary longitudinal telescopic mechanism, the fixed end of the secondary longitudinal telescopic mechanism is rotated and longitudinally slidingly connected to the bed body, and the telescopic end is rotationally connected to the bed board; and the bed body is provided with a drive secondary The first rotational drive mechanism for the swing of the longitudinal telescopic mechanism; the head of the bed board moves laterally and the tail slides longitudinally driven by the secondary transverse telescopic mechanism, and the tail swings and the head moves driven by the secondary longitudinal telescopic mechanism and the first rotational drive mechanism .

进一步地,所述二级横向伸缩机构包括设置在床体上的第一横向滑动座、滑动设置在第一横向滑动座内的第二横向滑动座和滑动设置在第二横向滑动座内的第三横向滑动座;第一横向滑动座上设有驱动第二横向滑动座滑动的横向驱动组件;第二横向滑动座上设有传动带轮和套设在传动带轮上的横向传动带,横向传动带一端与第一横向滑动座固定、另一端与第三横向滑动座固定。Further, the secondary transverse telescopic mechanism includes a first transverse sliding seat disposed on the bed, a second transverse sliding seat slidingly disposed in the first transverse sliding seat, and a third transverse sliding seat slidingly disposed in the second transverse sliding seat. Three transverse sliding seats; the first transverse sliding seat is provided with a transverse driving assembly that drives the second transverse sliding seat to slide; the second transverse sliding seat is provided with a transmission pulley and a transverse transmission belt sleeved on the transmission pulley, one end of the transverse transmission belt is connected to The first transverse sliding base is fixed, and the other end is fixed to the third transverse sliding base.

进一步地,所述横向驱动组件包括丝杠和驱动丝杠转动的转动电机;丝杠穿过第二横向滑动座且与第二横向滑动座螺纹连接。Further, the transverse driving assembly includes a lead screw and a rotation motor that drives the lead screw to rotate; the lead screw passes through the second transverse sliding seat and is threadedly connected to the second transverse sliding seat.

进一步地,所述第三横向滑动座通过第一下转轴连接有头部支撑板,头部支撑板通过第一上转轴与床板连接。Further, the third transverse sliding seat is connected to a head support plate through a first lower rotating shaft, and the head supporting plate is connected to the bed board through a first upper rotating shaft.

进一步地,所述床板上设有供第一上转轴沿着床板长度方向滑动的床板纵滑槽。Further, the bed board is provided with a bed board longitudinal chute for the first upper rotating shaft to slide along the length direction of the bed board.

进一步地,所述二级纵向伸缩机构包括第一纵向滑动座、滑动设置在第一纵向滑动座内的第二纵向滑动座和滑动设置在第二纵向滑动座内的第三纵向滑动座;第一纵向滑动座上设有驱动第二纵向滑动座滑动的纵向驱动组件;第二纵向滑动座上设有传动带轮和套设在传动带轮上的纵向传动带,纵向传动带一端与第一纵向滑动座固定、另一端与第三纵向滑动座固定;第三纵向滑动座靠近床板尾部的一端与床板铰接;第一纵向滑动座远离床板尾部的一端与床体转动且滑动连接。Further, the secondary longitudinal telescopic mechanism includes a first longitudinal sliding seat, a second longitudinal sliding seat slidably disposed in the first longitudinal sliding seat, and a third longitudinal sliding seat slidably disposed in the second longitudinal sliding seat; A longitudinal sliding seat is provided with a longitudinal driving component that drives the second longitudinal sliding seat to slide; the second longitudinal sliding seat is provided with a transmission pulley and a longitudinal transmission belt sleeved on the transmission pulley, and one end of the longitudinal transmission belt is fixed to the first longitudinal sliding seat , the other end is fixed to the third longitudinal sliding seat; the end of the third longitudinal sliding seat close to the tail of the bed board is hinged to the bed board; the end of the first longitudinal sliding seat away from the tail of the bed board is rotating and slidingly connected to the bed body.

进一步地,所述第一纵向滑动座通过底部铰接轴与床体转动连接,且床体上设有供底部铰接轴沿着床体长度方向滑动的床体纵滑槽。Further, the first longitudinal sliding seat is rotatably connected to the bed body through a bottom hinge shaft, and the bed body is provided with a bed body longitudinal chute for the bottom hinge shaft to slide along the length direction of the bed body.

进一步地,所述第三纵向滑动座通过第二下转轴连接有尾部支撑板,尾部支撑板通过第二上转轴与床板连接。Further, the third longitudinal sliding seat is connected to a tail support plate through a second lower rotating shaft, and the tail supporting plate is connected to the bed board through a second upper rotating shaft.

进一步地,所述第一纵向滑动座远离床板的一端外侧设有齿牙,第一转动驱动机构包括与齿牙啮合的主动齿轮和驱动主动齿轮转动的驱动电机,驱动电机设置在床体上。Further, teeth are provided on the outside of one end of the first longitudinal sliding seat away from the bed board. The first rotation driving mechanism includes a driving gear meshing with the teeth and a driving motor driving the driving gear to rotate. The driving motor is arranged on the bed body.

进一步地,所述床体包括支架和整体支撑板,所述床板通过二级横向伸缩机构和二级横向伸缩机构设置在整体支撑板上;整体支撑板一侧与支架铰接、另一侧与支架活动连接;所述支架上设有驱动整体支撑板绕整体支撑板与支架的铰接点转动的升降驱动机构。Further, the bed body includes a bracket and an integral support plate. The bed plate is arranged on the integral support plate through a secondary transverse telescopic mechanism and a secondary transverse telescopic mechanism; one side of the integral support plate is hinged to the bracket, and the other side is hinged to the bracket. Movably connected; the bracket is provided with a lifting drive mechanism that drives the integral support plate to rotate around the hinge point between the integral support plate and the bracket.

进一步地,所述升降驱动机构包括对称设置且转动连接在支架上的两个扇形齿轮,且两个扇形齿轮相靠近的一侧相啮合、相远离的一侧分别通过连杆机构连接有纵向推动件,纵向推动件穿过支架且与支架滑动配合,纵向推动件上端通过推动块与整体支撑板滑动配合;支架上设有驱动两个扇形齿轮的其中一个转动的第二转动驱动机构。Further, the lifting drive mechanism includes two sector gears that are symmetrically arranged and rotatably connected to the bracket, and the two sector gears are meshed on one side close to each other, and the two sector gears are connected on the far side through a linkage mechanism. The longitudinal pushing member passes through the bracket and slides with the bracket. The upper end of the longitudinal pushing piece slides with the overall support plate through the pushing block; the bracket is provided with a second rotation drive mechanism that drives one of the two sector gears to rotate.

本发明的有益效果:本发明通过在床板的头尾部与床体之间分别设置二级横向伸缩机构和二级纵向伸缩机构,且二级横向伸缩机构的伸缩端与床体转动且滑动连接,二级纵向伸缩机构的固定端与床体转动且滑动连接、伸缩端与床板转动连接,使得床板可先进行头部横移、尾部纵向滑动,变为倾斜状态;然后床板尾部在第一转动驱动机构作用下摆动,然后在二级纵向伸缩机构作用下继续摆动,并带动床板头部移动,整个床板由倾斜状态变为向上移动后的纵向状态,使得该推车的床板绕过病床边的床头柜平稳的到达病床上方,便于将推车上的患者转移至病床上;并通过升降驱动机构推动床板一侧倾斜,进一步方便将推车上的患者转移至病床上,避免护士来回搬运患者,既增加了护士的体力劳动,又造成了患者的不适。Beneficial effects of the present invention: In the present invention, a secondary transverse telescopic mechanism and a secondary longitudinal telescopic mechanism are respectively provided between the head and tail parts of the bed board and the bed body, and the telescopic end of the secondary transverse telescopic mechanism is rotationally and slidingly connected to the bed body. The fixed end of the secondary longitudinal telescopic mechanism is rotationally and slidingly connected to the bed body, and the telescopic end is rotationally connected to the bed board, so that the bed board can first move the head laterally and slide the tail longitudinally to become a tilted state; then the tail part of the bed board is driven by the first rotation It swings under the action of the mechanism, and then continues to swing under the action of the secondary longitudinal telescopic mechanism, and drives the head of the bed board to move. The entire bed board changes from an inclined state to a longitudinal state after moving upward, allowing the bed board of the cart to bypass the side of the hospital bed. The bedside table reaches the top of the hospital bed smoothly, making it easier to transfer the patient on the trolley to the hospital bed; and the lifting drive mechanism pushes one side of the bed board to tilt, further facilitating the transfer of the patient on the trolley to the hospital bed, and preventing the nurse from carrying the patient back and forth. This increases the physical workload of nurses and causes discomfort to patients.

附图说明Description of the drawings

为了更清楚地说明本发明实施例,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to explain the embodiments of the present invention more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For ordinary people in the art, For technical personnel, other drawings can also be obtained based on these drawings without exerting creative work.

图1为本发明的实施例1的结构示意图;Figure 1 is a schematic structural diagram of Embodiment 1 of the present invention;

图2为图1的A-A的剖面结构示意图;Figure 2 is a schematic cross-sectional structural diagram of A-A in Figure 1;

图3为图1的D的局部放大示意图;Figure 3 is a partially enlarged schematic diagram of D in Figure 1;

图4为图1的B-B的剖面结构示意图;Figure 4 is a schematic cross-sectional structural diagram of B-B in Figure 1;

图5为图1的E的局部放大示意图;Figure 5 is a partially enlarged schematic diagram of E in Figure 1;

图6为图1的C-C的剖面结构示意图;Figure 6 is a schematic cross-sectional structural diagram of C-C in Figure 1;

图7为本发明的使用示意图。Figure 7 is a schematic diagram of the use of the present invention.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without exerting creative efforts fall within the scope of protection of the present invention.

如图1~图7所示,本发明实施例1所述的一种过床转移推车,该推车用于将病患转移至病床上,并且还可平稳的绕过床边的床头柜。所述过床转移推车包括床体和床板1,床体包括支架19和整体支撑板20,床板1活动设置整体支撑板20上。床板1头部通过二级横向伸缩机构与整体支撑板20连接,二级横向伸缩机构固定端与整体支撑板20固定连接、伸缩端与床板1转动且滑动连接;床板1尾部通过二级纵向伸缩机构与整体支撑板20连接,二级纵向伸缩机构的固定端上远离床尾的一端与床体转动且纵向滑动连接,二级纵向伸缩机构的伸缩端上靠近床尾的一端与床板1转动连接。且床体的整体支撑板20上设有驱动二级纵向伸缩机构摆动的第一转动驱动机构,其中。需要将病患转移至病床上时,二级横向伸缩机构工作,床板1在二级横向伸缩机构带动下,床板1头部横移、尾部在整体支撑板20上纵向滑动,使得床板1呈倾斜状态;然后第一转动驱动机构工作驱动二级纵向伸缩机构摆动带动床尾摆动,带动床板1头部通过与二级横向伸缩机构伸缩端转动且滑动的连接进行相对移动;之后,床板1尾部在二级纵向伸缩机构的伸长作用推动下,床板1尾部继续摆动且带动床板1头部继续移动,整个床板1摆动且向上移动,由倾斜状态变为向上移动后的纵向状态,床板1绕过病床边的床头柜成功到达病床上方,便于将推车上的患者转移至病床上。As shown in Figures 1 to 7, a bed transfer trolley according to Embodiment 1 of the present invention is used to transfer a patient to a hospital bed, and can also smoothly bypass the bedside table next to the bed. The bed transfer trolley includes a bed body and a bed board 1. The bed body includes a bracket 19 and an integral support plate 20. The bed board 1 is movably arranged on the integral support plate 20. The head of the bed board 1 is connected to the overall support plate 20 through a secondary transverse telescopic mechanism, the fixed end of the secondary transverse telescopic mechanism is fixedly connected to the overall support plate 20, and the telescopic end is connected to the bed board 1 in a rotating and sliding manner; the tail of the bed board 1 is connected through a secondary longitudinal telescopic The mechanism is connected to the integral support plate 20. The end of the fixed end of the secondary longitudinal telescopic mechanism away from the foot of the bed is rotatably and longitudinally slidingly connected to the bed body. The end of the telescopic end of the secondary longitudinal telescopic mechanism close to the foot of the bed is rotatably connected to the bed board 1. And the integral support plate 20 of the bed is provided with a first rotational driving mechanism that drives the secondary longitudinal telescopic mechanism to swing, wherein. When the patient needs to be transferred to the hospital bed, the secondary transverse telescopic mechanism works. Driven by the secondary transverse telescopic mechanism, the head of the bed board 1 moves laterally and the tail slides longitudinally on the overall support plate 20, causing the bed board 1 to tilt. state; then the first rotational driving mechanism works to drive the secondary longitudinal telescopic mechanism to swing and drive the bed end to swing, driving the head of the bed board 1 to move relative to it through the rotation and sliding connection with the telescopic end of the secondary transverse telescopic mechanism; after that, the tail of the bed board 1 moves in the second Driven by the elongation of the longitudinal telescopic mechanism, the tail of the bed board 1 continues to swing and drives the head of the bed board 1 to continue moving. The entire bed board 1 swings and moves upward, changing from an inclined state to an upwardly moved longitudinal state, and the bed board 1 bypasses the patient's bed. The bedside bedside table successfully reaches over the bed, making it easier to transfer the patient from the trolley to the bed.

进一步地,如图1~图3所示,所述二级横向伸缩机构包括固定设置在床体的整体支撑板20上的第一横向滑动座2、滑动设置在第一横向滑动座2内的第二横向滑动座3和滑动设置在第二横向滑动座3内的第三横向滑动座4。具体地,第一横向滑动座2包括两个垂直固定在整体支撑板20上的竖板,竖板与第二横向滑动座3之间设有相配合的滑道和滑动条。第二横向滑动座3包括两侧竖板和中间底板组成的U型结构,该两侧竖板一端之间设有封闭端板。第二横向滑动座3的两侧竖板和第三横向滑动座4之间也设有相配合的滑道和滑动条。第三横向滑动座4为两端开放的矩形框结构。第一横向滑动座2上设有驱动第二横向滑动座3滑动的横向驱动组件;具体地,所述横向驱动组件包括丝杠9和驱动丝杠9转动的转动电机;转动电机固定在第一横向滑动座2上。丝杠9穿过第二横向滑动座3的封闭端板且与封闭端板螺纹连接,通过丝杠9的转动驱动第二横向滑动座3在第一横向滑动座2内滑动;第三横向滑动座4的开放端使得第三横向滑动座4不阻碍丝杠9的转动。第二横向滑动座3的两侧竖板上均设有传动带轮和套设在传动带轮上的横向传动带5,传动带轮转动连接在两侧竖板上,横向传动带5靠近第一横向滑动座2的一侧且远离转动电机的一端与第一横向滑动座2固定,该横向传动带5另一侧的另一端与第三横向滑动座4固定。通过第二横向滑动座3的滑动,横向传动带5在第一横向滑动座2的拉动下,第三横向滑动座4即跟随第二横向滑动座3移动,又在横向传动带5的拉动下加倍移动,实现了第三横向滑动座4的增程移动。使得该二级横向伸缩机构的伸缩范围可接近或大于二级横向伸缩机构收缩时自身的长度,用于该推车床板的平移,使得床板一倍位移时,该二级横向伸缩机构各滑动件和固定件之间相配合的部分较多,使得该伸缩机构更好的支撑床板的平稳移动。Further, as shown in Figures 1 to 3, the secondary transverse telescopic mechanism includes a first transverse sliding seat 2 fixedly provided on the overall support plate 20 of the bed, and a first transverse sliding seat 2 slidably provided in the first transverse sliding seat 2. The second transverse sliding seat 3 and the third transverse sliding seat 4 slidably provided in the second transverse sliding seat 3 . Specifically, the first transverse sliding seat 2 includes two vertical plates fixed vertically on the integral support plate 20 , and matching slideways and sliding bars are provided between the vertical plates and the second transverse sliding seat 3 . The second transverse sliding seat 3 includes a U-shaped structure composed of vertical plates on both sides and a middle bottom plate. A closed end plate is provided between one end of the vertical plates on both sides. Matching slideways and sliding bars are also provided between the vertical plates on both sides of the second transverse sliding seat 3 and the third transverse sliding seat 4 . The third transverse sliding seat 4 is a rectangular frame structure with both ends open. The first transverse sliding base 2 is provided with a transverse driving assembly that drives the second transverse sliding base 3 to slide; specifically, the transverse driving assembly includes a screw 9 and a rotating motor that drives the screw 9 to rotate; the rotating motor is fixed on the first transverse sliding seat 2. On the transverse sliding seat 2. The screw 9 passes through the closed end plate of the second transverse sliding seat 3 and is threadedly connected to the closed end plate. The rotation of the screw 9 drives the second transverse sliding seat 3 to slide in the first transverse sliding seat 2; the third transverse sliding seat 3 The open end of the seat 4 prevents the third transverse sliding seat 4 from impeding the rotation of the screw 9 . The vertical plates on both sides of the second transverse sliding seat 3 are provided with transmission pulleys and a transverse transmission belt 5 sleeved on the transmission pulleys. The transmission pulleys are rotatably connected to the vertical plates on both sides, and the transverse transmission belts 5 are close to the first transverse sliding seat 2 One end of one side and away from the rotating motor is fixed to the first transverse sliding seat 2, and the other end of the other side of the transverse transmission belt 5 is fixed to the third transverse sliding seat 4. Through the sliding of the second transverse sliding seat 3, the transverse transmission belt 5 is pulled by the first transverse sliding seat 2, and the third transverse sliding seat 4 follows the movement of the second transverse sliding seat 3 and doubles the movement under the pulling of the transverse transmission belt 5. , realizing the extended-range movement of the third transverse sliding seat 4. The telescopic range of the secondary transverse telescopic mechanism can be close to or greater than the length of the secondary transverse telescopic mechanism when it contracts. It is used for the translation of the bed board of the cart, so that when the bed board is doubled in displacement, each sliding member of the secondary transverse telescopic mechanism There are many matching parts with the fixed parts, so that the telescopic mechanism can better support the smooth movement of the bed board.

进一步地,如图2和图3所示,所述第三横向滑动座4通过第一下转轴7连接有头部支撑板6,头部支撑板6通过第一上转轴8与床板1连接。即头部支撑板6下侧通过第一下转轴7穿过第三横向滑动座4上部与第三横向滑动座4转动连接;头部支撑板6不仅起到支撑床板1的作用,头部支撑板6的上侧还通过第一上转轴8伸入床板1中与床板1转动连接。所述床板1上设有供第一上转轴8沿着床板1长度方向滑动的床板纵滑槽101。该床板纵滑槽101用于床板1尾部在第一转动驱动机构和二级纵向伸缩机构作用下摆动时,床板1头部可相对头部支撑板6和上转轴8进行滑动,不阻碍床板1由倾斜状态变为纵向状态时的向上位移。Further, as shown in FIGS. 2 and 3 , the third transverse sliding seat 4 is connected to the head support plate 6 through the first lower rotating shaft 7 , and the head supporting plate 6 is connected to the bed board 1 through the first upper rotating shaft 8 . That is, the lower side of the head support plate 6 passes through the first lower rotating shaft 7 and is rotatably connected to the third transverse sliding seat 4 through the upper part of the third transverse sliding seat 4; the head support plate 6 not only plays the role of supporting the bed board 1, but also supports the head. The upper side of the board 6 is also extended into the bed board 1 through the first upper rotating shaft 8 to be rotationally connected with the bed board 1 . The bed board 1 is provided with a bed board longitudinal chute 101 for the first upper rotating shaft 8 to slide along the length direction of the bed board 1 . The longitudinal chute 101 of the bed board is used to allow the head of the bed board 1 to slide relative to the head support plate 6 and the upper rotating shaft 8 when the tail end of the bed board 1 swings under the action of the first rotational driving mechanism and the secondary longitudinal telescopic mechanism without hindering the bed board 1 The upward displacement when changing from an inclined state to a longitudinal state.

实施例2,其与实施例1的区别在于,如图2和图4所示,所述二级纵向伸缩机构包括第一纵向滑动座12、滑动设置在第一纵向滑动座12内的第二纵向滑动座13和滑动设置在第二纵向滑动座13内的第三纵向滑动座14。具体地,第一纵向滑动座12包括底板和垂直固定在底板上的两个垂直的竖板,底板和竖板远离床尾的一端通过半圆形板封闭。竖板与第二纵向滑动座13之间设有相配合的滑道和滑动条。第二纵向滑动座13包括两侧竖板和中间底板组成的U型结构,该两侧竖板一端之间设有封闭端板。第二纵向滑动座13的两侧竖板和第三纵向滑动座14之间也设有相配合的滑道和滑动条。第三纵向滑动座14为两端开放的矩形框结构。第一纵向滑动座12上设有驱动第二纵向滑动座13滑动的纵向驱动组件;具体地,所述纵向驱动组件包括丝杠和驱动丝杠转动的第二转动电机;该第二转动电机固定在第一纵向滑动座12内。第二纵向滑动座13的两侧竖板上均转动连接有传动带轮,传动带轮上套设有纵向传动带15,纵向传动带15靠近第一纵向滑动座12的一侧且远离第二转动电机的一端与第一纵向滑动座12固定,纵向传动带15另一侧的另一端与第三纵向滑动座14固定。工作原理与二级横向伸缩机构类似。Embodiment 2 is different from Embodiment 1 in that, as shown in Figures 2 and 4, the secondary longitudinal telescopic mechanism includes a first longitudinal sliding seat 12, and a second longitudinal sliding seat slidably disposed in the first longitudinal sliding seat 12. The longitudinal sliding seat 13 and the third longitudinal sliding seat 14 slidably provided in the second longitudinal sliding seat 13. Specifically, the first longitudinal sliding seat 12 includes a base plate and two vertical vertical plates vertically fixed on the base plate. One end of the base plate and the vertical plates away from the foot of the bed is closed by a semicircular plate. Matching slideways and sliding bars are provided between the vertical plate and the second longitudinal sliding seat 13 . The second longitudinal sliding seat 13 includes a U-shaped structure composed of vertical plates on both sides and a middle bottom plate. A closed end plate is provided between one end of the vertical plates on both sides. Matching slideways and sliding bars are also provided between the vertical plates on both sides of the second longitudinal sliding seat 13 and the third longitudinal sliding seat 14 . The third longitudinal sliding seat 14 is a rectangular frame structure with both ends open. The first longitudinal sliding base 12 is provided with a longitudinal driving assembly that drives the second longitudinal sliding base 13 to slide; specifically, the longitudinal driving assembly includes a screw and a second rotating motor that drives the screw to rotate; the second rotating motor is fixed in the first longitudinal sliding seat 12. The vertical plates on both sides of the second longitudinal sliding seat 13 are rotatably connected with transmission pulleys. The transmission pulleys are covered with a longitudinal transmission belt 15. The longitudinal transmission belt 15 is close to the side of the first longitudinal sliding seat 12 and away from the end of the second rotating motor. It is fixed with the first longitudinal sliding seat 12, and the other end of the other side of the longitudinal transmission belt 15 is fixed with the third longitudinal sliding seat 14. The working principle is similar to the secondary lateral telescopic mechanism.

如图2所示,第三纵向滑动座14靠近床板1尾部的一端与床板1铰接。具体地,如图2和图3所示,所述第三纵向滑动座14通过第二下转轴17连接有尾部支撑板16,尾部支撑板16通过第二上转轴18与床板1连接。即尾部支撑板16下侧通过第二下转轴17穿过第三纵向滑动座14上部且与第三纵向滑动座14转动连接;尾部支撑板16不仅起到支撑床板1的作用,尾部支撑板16的上侧还通过第二上转轴18伸入床板1中与床板1尾部转动连接。As shown in FIG. 2 , one end of the third longitudinal sliding seat 14 close to the tail of the bed board 1 is hingedly connected to the bed board 1 . Specifically, as shown in FIGS. 2 and 3 , the third longitudinal sliding seat 14 is connected to the tail support plate 16 through the second lower rotating shaft 17 , and the tail supporting plate 16 is connected to the bed board 1 through the second upper rotating shaft 18 . That is, the lower side of the tail support plate 16 passes through the upper part of the third longitudinal sliding seat 14 through the second lower rotating shaft 17 and is rotationally connected with the third longitudinal sliding seat 14; the tail support plate 16 not only plays the role of supporting the bed board 1, but also the tail support plate 16 The upper side is also extended into the bed board 1 through the second upper rotating shaft 18 and is rotationally connected to the tail end of the bed board 1.

进一步地,如图1、图4和图5所示,第一纵向滑动座12远离床板1尾部的一端与床体的整体支撑板20转动且滑动连接。具体地,所述第一纵向滑动座12通过底部铰接轴22与整体支撑板20转动连接,且整体支撑板20上设有供底部铰接轴22沿着整体支撑板20长度方向滑动的床体纵滑槽21。Further, as shown in Figures 1, 4 and 5, one end of the first longitudinal sliding seat 12 away from the tail of the bed board 1 is rotatably and slidingly connected to the overall support plate 20 of the bed body. Specifically, the first longitudinal sliding seat 12 is rotationally connected to the integral support plate 20 through a bottom hinge shaft 22 , and the integral support plate 20 is provided with a longitudinal bed for the bottom hinge shaft 22 to slide along the length direction of the integral support plate 20 . Chute 21.

实施例3,如图5所示,其与实施例2的区别在于,所述第一纵向滑动座12远离床板1的一端外侧即上述半圆形板的外侧设有齿牙,第一转动驱动机构包括与齿牙啮合的主动齿轮23和驱动主动齿轮23转动的驱动电机。第一转动驱动机构设置在整体支撑板20上位于床体纵滑槽21上端的位置,该位置即床板1头部横移、尾部在整体支撑板20上纵向滑动变成为倾斜状态时,主动齿轮23可刚好与滑动至此的第一纵向滑动座12上齿牙啮合的位置。第一转动驱动机构包括与齿牙啮合的主动齿轮23和驱动主动齿轮23转动的驱动电机。Embodiment 3, as shown in Figure 5, is different from Embodiment 2 in that the first longitudinal sliding seat 12 is provided with teeth on the outside of one end away from the bed board 1, that is, on the outside of the semicircular plate, and the first rotational drive The mechanism includes a driving gear 23 that meshes with teeth and a driving motor that drives the driving gear 23 to rotate. The first rotational driving mechanism is arranged on the integral support plate 20 at a position at the upper end of the longitudinal chute 21 of the bed body. This position is when the head of the bed plate 1 moves laterally and the tail slides longitudinally on the integral support plate 20 and becomes tilted. The gear 23 can just mesh with the teeth on the first longitudinal sliding seat 12 that has slid thereto. The first rotation driving mechanism includes a driving gear 23 that meshes with teeth and a driving motor that drives the driving gear 23 to rotate.

实施例3,其与实施例1的区别在于,如图6所示,整体支撑板20一侧与支架19铰接、另一侧与支架19活动连接;所述支架19上设有驱动整体支撑板20绕整体支撑板20与支架19的铰接点转动的升降驱动机构。具体地,所述升降驱动机构包括对称设置且转动连接在支架19上的两个扇形齿轮24,且两个扇形齿轮24相靠近的一侧相啮合、相远离的一侧分别通过连杆机构连接有纵向推动件28;其中,连杆机构包括与各自的扇形齿轮24固定的横杆,横杆端部铰接有竖杆26,竖杆上端与纵向推动件28下端铰接。纵向推动件28穿过支架19且与支架19滑动配合,纵向推动件28上端通过推动块27与整体支撑板20滑动配合。本实施例中,推动块为杆体结构,整体支撑板20下侧设有滑动铰接座,滑动铰接座内设有横向的槽,杆体结构的推动块可在横向的槽内转动且滑动,杆体结构的端部设有固定片防滑脱。支架19上设有驱动两个扇形齿轮的其中一个转动的第二转动驱动机构。该第二转动驱动机构采用现有技术中的结构。此外,支架19上靠近纵向推动件28的一侧还设有弹性垫块,使得整体支撑板20复位放下时,整体支撑板20可落在弹性垫块25上,增加患者的舒适度。Embodiment 3 is different from Embodiment 1 in that, as shown in Figure 6, one side of the integral support plate 20 is hinged with the bracket 19, and the other side is movably connected with the bracket 19; the bracket 19 is provided with a driving integral support plate 20 is a lifting drive mechanism that rotates around the hinge point of the integral support plate 20 and the bracket 19. Specifically, the lifting drive mechanism includes two sector gears 24 that are symmetrically arranged and rotationally connected to the bracket 19, and the two sector gears 24 are meshed on one side close to each other and connected on the far side respectively through a link mechanism. There is a longitudinal pusher 28; wherein, the linkage mechanism includes a horizontal bar fixed to the respective sector gear 24, the end of the crossbar is hinged with a vertical bar 26, and the upper end of the vertical bar is hinged with the lower end of the longitudinal pusher 28. The longitudinal pushing member 28 passes through the bracket 19 and slides with the bracket 19. The upper end of the longitudinal pushing member 28 slides with the integral support plate 20 through the pushing block 27. In this embodiment, the pushing block is a rod structure. A sliding hinge seat is provided on the lower side of the integral support plate 20. A transverse groove is provided in the sliding hinge seat. The pushing block of the rod structure can rotate and slide in the transverse groove. The rod structure The end is equipped with a fixed piece to prevent slipping. The bracket 19 is provided with a second rotation driving mechanism that drives one of the two sector gears to rotate. The second rotation driving mechanism adopts the structure in the prior art. In addition, an elastic pad is provided on the side of the bracket 19 close to the longitudinal pusher 28, so that when the overall support plate 20 is reset and lowered, the overall support plate 20 can fall on the elastic pad 25, thereby increasing the patient's comfort.

上述各转轴的端部均设有直径大于转轴的环形凸起或固定片用于与滑槽配合或防滑脱。The end of each of the above-mentioned rotating shafts is provided with an annular protrusion or a fixed piece with a diameter larger than that of the rotating shaft for matching with the chute or preventing slippage.

以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection.

Claims (9)

1.一种过床转移推车,其特征在于:包括床体和活动设置床体上的床板(1),床板(1)头部通过二级横向伸缩机构与床体连接,二级横向伸缩机构固定端与床体连接、伸缩端与床板(1)转动且滑动连接;床板(1)尾部通过二级纵向伸缩机构与床体连接,二级纵向伸缩机构固定端与床体转动且纵向滑动连接、伸缩端与床板(1)转动连接;且床体上设有驱动二级纵向伸缩机构摆动的第一转动驱动机构;床板(1)在二级横向伸缩机构带动下头部横移、尾部纵向滑动,并在第一转动驱动机构和二级纵向伸缩机构带动下尾部摆动、头部移动;1. A bed transfer trolley, which is characterized by: including a bed body and a bed board (1) movable on the bed body. The head of the bed board (1) is connected to the bed body through a secondary transverse telescopic mechanism. The two-stage transverse telescopic mechanism The fixed end of the mechanism is connected to the bed body, and the telescopic end is connected to the bed board (1) in a rotating and sliding manner; the tail of the bed board (1) is connected to the bed body through a secondary longitudinal telescopic mechanism, and the fixed end of the secondary longitudinal telescopic mechanism rotates and slides longitudinally with the bed body. The telescopic end is connected to the bed board (1) in rotation; and the bed body is provided with a first rotational driving mechanism that drives the secondary longitudinal telescopic mechanism to swing; the head board (1) of the bed board (1) is driven by the secondary transverse telescopic mechanism to move its head and tail laterally. It slides longitudinally, and the tail swings and the head moves driven by the first rotational driving mechanism and the secondary longitudinal telescopic mechanism; 所述二级横向伸缩机构包括设置在床体上的第一横向滑动座(2)、滑动设置在第一横向滑动座(2)内的第二横向滑动座(3)和滑动设置在第二横向滑动座(3)内的第三横向滑动座(4);第一横向滑动座(2)上设有驱动第二横向滑动座(3)滑动的横向驱动组件;第二横向滑动座(3)上设有传动带轮和套设在传动带轮上的横向传动带(5),横向传动带(5)一端与第一横向滑动座(2)固定、另一端与第三横向滑动座(4)固定;The secondary transverse telescopic mechanism includes a first transverse sliding seat (2) provided on the bed, a second transverse sliding seat (3) slidably provided in the first transverse sliding seat (2), and a second transverse sliding seat (3) slidably provided in the second transverse sliding seat (2). The third transverse sliding seat (4) in the transverse sliding seat (3); the first transverse sliding seat (2) is provided with a transverse driving assembly that drives the second transverse sliding seat (3) to slide; the second transverse sliding seat (3) ) is provided with a transmission pulley and a transverse transmission belt (5) sleeved on the transmission pulley. One end of the transverse transmission belt (5) is fixed to the first transverse sliding seat (2), and the other end is fixed to the third transverse sliding seat (4); 通过第二横向滑动座(3)的滑动,横向传动带(5)在第一横向滑动座(2)的拉动下,第三横向滑动座(4)即跟随第二横向滑动座(3)移动,又在横向传动带(5)的拉动下加倍移动,实现了第三横向滑动座(4)的增程移动。Through the sliding of the second transverse sliding seat (3), the transverse transmission belt (5) is pulled by the first transverse sliding seat (2), and the third transverse sliding seat (4) follows the movement of the second transverse sliding seat (3). The movement is doubled under the pull of the transverse transmission belt (5), thereby realizing the extended range movement of the third transverse sliding seat (4). 2.根据权利要求1所述的过床转移推车,其特征在于:所述横向驱动组件包括丝杠(9)和驱动丝杠(9)转动的转动电机;丝杠(9)穿过第二横向滑动座(3)且与第二横向滑动座(3)螺纹连接。2. The bed transfer trolley according to claim 1, characterized in that: the transverse drive assembly includes a screw (9) and a rotating motor that drives the screw (9) to rotate; the screw (9) passes through the first The two transverse sliding seats (3) are threadedly connected to the second transverse sliding seat (3). 3.根据权利要求1或2所述的过床转移推车,其特征在于:所述第三横向滑动座(4)通过第一下转轴(7)连接有头部支撑板(6),头部支撑板(6)通过第一上转轴(8)与床板(1)连接。3. The bed transfer trolley according to claim 1 or 2, characterized in that: the third transverse sliding seat (4) is connected to a head support plate (6) through the first lower rotating shaft (7). The lower support plate (6) is connected to the bed board (1) through the first upper rotating shaft (8). 4.根据权利要求3所述的过床转移推车,其特征在于:所述床板(1)上设有供第一上转轴(8)沿着床板(1)长度方向滑动的床板纵滑槽(101)。4. The bed transfer trolley according to claim 3, characterized in that: the bed board (1) is provided with a bed board longitudinal chute for the first upper rotating shaft (8) to slide along the length direction of the bed board (1). (101). 5.根据权利要求1或2或4所述的过床转移推车,其特征在于:所述二级纵向伸缩机构包括第一纵向滑动座(12)、滑动设置在第一纵向滑动座(12)内的第二纵向滑动座(13)和滑动设置在第二纵向滑动座(13)内的第三纵向滑动座(14);第一纵向滑动座(12)上设有驱动第二纵向滑动座(13)滑动的纵向驱动组件;第二纵向滑动座(13)上设有传动带轮和套设在传动带轮上的纵向传动带(15),纵向传动带(15)一端与第一纵向滑动座(12)固定、另一端与第三纵向滑动座(14)固定;第三纵向滑动座(14)靠近床板(1)尾部的一端与床板(1)铰接;第一纵向滑动座(12)远离床板(1)尾部的一端与床体转动且滑动连接。5. The bed transfer trolley according to claim 1, 2 or 4, characterized in that: the secondary longitudinal telescopic mechanism includes a first longitudinal sliding seat (12), and is slidably arranged on the first longitudinal sliding seat (12). ) and a third longitudinal sliding seat (14) slidingly arranged in the second longitudinal sliding seat (13); the first longitudinal sliding seat (12) is provided with a drive that drives the second longitudinal sliding seat (13). The seat (13) slides the longitudinal driving assembly; the second longitudinal sliding seat (13) is provided with a transmission pulley and a longitudinal transmission belt (15) sleeved on the transmission pulley. One end of the longitudinal transmission belt (15) is connected to the first longitudinal sliding seat (13). 12) is fixed, and the other end is fixed to the third longitudinal sliding seat (14); one end of the third longitudinal sliding seat (14) close to the tail of the bed board (1) is hinged with the bed board (1); the first longitudinal sliding seat (12) is away from the bed board (1) One end of the tail is rotating and slidingly connected to the bed body. 6.根据权利要求5所述的过床转移推车,其特征在于:所述第一纵向滑动座(12)通过底部铰接轴(22)与床体转动连接,且床体上设有供底部铰接轴(22)沿着床体长度方向滑动的床体纵滑槽(21)。6. The bed transfer trolley according to claim 5, characterized in that: the first longitudinal sliding seat (12) is rotationally connected to the bed body through a bottom hinge shaft (22), and the bed body is provided with a bottom for The hinged shaft (22) slides along the longitudinal chute (21) of the bed body. 7.根据权利要求5所述的过床转移推车,其特征在于:所述第一纵向滑动座(12)远离床板(1)的一端外侧设有齿牙,第一转动驱动机构包括与齿牙啮合的主动齿轮(23)和驱动主动齿轮(23)转动的驱动电机,驱动电机设置在床体上。7. The bed transfer trolley according to claim 5, characterized in that: teeth are provided on the outside of one end of the first longitudinal sliding seat (12) away from the bed board (1), and the first rotation driving mechanism includes teeth. The driving gear (23) that engages teeth and the driving motor that drives the driving gear (23) to rotate are arranged on the bed body. 8.根据权利要求1或2或4或6或7所述的过床转移推车,其特征在于:所述床体包括支架(19)和整体支撑板(20),所述床板(1)通过二级横向伸缩机构和二级横向伸缩机构设置在整体支撑板(20)上;整体支撑板(20)一侧与支架(19)铰接、另一侧与支架(19)活动连接;所述支架(19)上设有驱动整体支撑板(20)绕整体支撑板(20)与支架(19)的铰接点转动的升降驱动机构。8. The bed transfer trolley according to claim 1 or 2 or 4 or 6 or 7, characterized in that: the bed body includes a bracket (19) and an integral support plate (20), and the bed plate (1) The two-stage transverse telescopic mechanism and the two-stage transverse telescopic mechanism are arranged on the integral support plate (20); one side of the integral support plate (20) is hinged with the bracket (19), and the other side is movably connected with the bracket (19); The bracket (19) is provided with a lifting drive mechanism that drives the integral support plate (20) to rotate around the hinge point between the integral support plate (20) and the bracket (19). 9.根据权利要求8所述的过床转移推车,其特征在于:所述升降驱动机构包括对称设置且转动连接在支架(19)上的两个扇形齿轮,且两个扇形齿轮相靠近的一侧相啮合、相远离的一侧分别通过连杆机构连接有纵向推动件(28),纵向推动件(28)穿过支架(19)且与支架(19)滑动配合,纵向推动件(28)上端通过推动块(27)与整体支撑板(20)滑动配合;支架(19)上设有驱动两个扇形齿轮的其中一个转动的第二转动驱动机构。9. The bed transfer trolley according to claim 8, characterized in that the lifting drive mechanism includes two sector gears that are symmetrically arranged and rotationally connected to the bracket (19), and the two sector gears are close to each other. One side of the meshed side and the other side that is far away from each other are respectively connected with a longitudinal pusher (28) through a linkage mechanism. The longitudinal pusher (28) passes through the bracket (19) and is slidingly matched with the bracket (19). The longitudinal pusher (28) ) The upper end is slidably matched with the integral support plate (20) through the push block (27); the bracket (19) is provided with a second rotation driving mechanism that drives one of the two sector gears to rotate.
CN202210458401.6A 2022-04-28 2022-04-28 Bed-passing transfer trolley Active CN114767402B (en)

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