WO2023159706A1 - 一种核磁共振室用转运车 - Google Patents

一种核磁共振室用转运车 Download PDF

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Publication number
WO2023159706A1
WO2023159706A1 PCT/CN2022/082133 CN2022082133W WO2023159706A1 WO 2023159706 A1 WO2023159706 A1 WO 2023159706A1 CN 2022082133 W CN2022082133 W CN 2022082133W WO 2023159706 A1 WO2023159706 A1 WO 2023159706A1
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WIPO (PCT)
Prior art keywords
plate
gear
frame
transfer
support
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PCT/CN2022/082133
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English (en)
French (fr)
Inventor
王宪伦
刘玉欣
杨骐睿
黄家琦
石少文
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青岛安捷医疗科技有限公司
青岛科技大学
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Application filed by 青岛安捷医疗科技有限公司, 青岛科技大学 filed Critical 青岛安捷医疗科技有限公司
Publication of WO2023159706A1 publication Critical patent/WO2023159706A1/zh

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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
    • A61G7/1025—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
    • A61G7/104—Devices carried or supported by
    • A61G7/1046—Mobile bases, e.g. having wheels

Definitions

  • the invention relates to a transfer car for a nuclear magnetic resonance room, which is mainly used for transferring a bedridden patient from a sick bed to other equipment or other beds in a hospital.
  • a medical transfer vehicle is a medical device that transfers patients between beds. It is often used to transfer patients from operating tables, emergency rooms to wards or from ambulances to special medical beds, or to transport patients for various examinations; now Most hospitals still use some ordinary push beds. Except for universal wheels on the foot of the bed, the other structures of this push bed are basically the same as ordinary beds.
  • medical staff or family members Carry out the transfer method of lifting, supporting and holding. On the one hand, it greatly increases the burden on medical staff and family members, on the other hand, it may cause secondary harm to patients and cause great pain to patients.
  • the prior art discloses some medical transfer vehicles, such as the utility model whose notification number is CN205459534U discloses a new type of medical electric transfer vehicle, which has a simple structure and can basically realize the transfer work of patients, but the carrying plate is too hard and too thick. When the plate is inserted under the patient's body, it lacks comfort, and even causes extrusion or injury to the patient. It requires the cooperation of the patient and the assistance of the medical staff to complete the transfer process, thus increasing the physical exertion of the medical staff and reducing work efficiency.
  • the gear transmission systems used are mainly spur gears, helical gears, face gears and worm gear transmissions, and single-pair gear pairs, open-loop gear transmission chains and non-coaxial Transmission direction. It is difficult to meet the requirements of high efficiency, compact system size and single input and multiple output.
  • the purpose of the present invention is to provide a transfer vehicle for nuclear magnetic resonance room to solve the problems of poor comfort, low efficiency, and inseparable power constraints in the existing medical transfer vehicles; complex structure, slow installation speed, and cannot be used for nuclear magnetic resonance Disadvantages of use.
  • a transfer vehicle for nuclear magnetic resonance chambers including a body mechanism and a moving mechanism, the body mechanism includes a vehicle frame, a carrying plate and a transmission mechanism, and the vehicle frame includes an upper frame and the lower frame, the bottom of the upper frame is fixedly connected with the top of the column above the lower frame; a moving mechanism is installed at the lower end of the lower frame; The upper frame below the plate is equipped with a transmission mechanism, and a transfer cloth is arranged on the carrier plate.
  • the transmission mechanism includes: a carrier plate drive mechanism for driving the carrier plate to move laterally, The rotary drive mechanism, the power transmission mechanism for transmission and manual conversion between the carrier plate drive mechanism and the rotary drive mechanism, and the bracket plate used to install the carrier plate drive mechanism, rotary drive mechanism and power transmission mechanism;
  • the vehicles are made of non-magnetic materials and can be used as special transfer vehicles for NMR.
  • the entire transfer vehicle is made of non-magnetic materials, which can be used as a special transfer vehicle for NMR; the main frame of the frame is welded by square tubes, which adopts a symmetrical design and is easy to assemble. It realizes a modular quick-release structure design, which can meet Quick assembly in different places and replacement of wearing parts are easy to maintain; there are multiple mortise and tenon structures, which are compact in structure, easy to install quickly, and have a strong bearing capacity.
  • the carrier board is a unique pick-up and delivery device with three boards and two cloths, which provides patients with a high sense of comfort, meets the structure of various special-shaped docking tables (CT machine inspection tables), and provides maximum safety performance.
  • the carrying board is made of flexible materials, and there is a small slope on the side of the board, which can be inserted under the patient's body smoothly.
  • the transmission mechanism is a multi-combination output gear transmission mechanism, which is manually driven by hand to avoid power limitations.
  • the two fork shafts can be used to switch among the three modes of rotary output, lateral output, and rotary and lateral output, so as to realize a variety of coordinated movement combinations, and only use one person and one car to achieve patient safety and convenience. Transfer, and can avoid secondary injury to the greatest extent; the transmission ratio of the transmission mechanism is designed reasonably, only one medical staff can shake it easily, and the board can be completely ejected after shaking for 10 weeks, and the patient can be sent to the hospital once the board is ejected and returned The transfer vehicle is easy to operate, saves labor and has high work efficiency.
  • Fig. 1 is a side structure schematic diagram of the present invention
  • Fig. 2 is a three-dimensional structural schematic view of the carrier board of the present invention in a state in which all of them are removed;
  • Fig. 3 is the whole three-dimensional structure schematic diagram of upper frame of the present invention.
  • Fig. 4 is a three-dimensional exploded schematic diagram of the upper frame frame in Fig. 3;
  • Fig. 5 is a schematic structural view of the rear beam in Fig. 3;
  • Fig. 6 is a schematic diagram of the installation of the upper support beam in Fig. 3;
  • Fig. 7 is a structural schematic diagram of the connection between the front beam and the vertical beam at the edge of the board in Fig. 3;
  • Fig. 8 is a three-dimensional exploded schematic diagram of the carrier plate of the present invention.
  • Figure 9 is an enlarged view of the handrail of the present invention.
  • Fig. 10 is a schematic diagram of the three-dimensional structure of the lower frame of the present invention.
  • Fig. 11 is the three-dimensional structure schematic diagram that transmission mechanism of the present invention (not including the related parts installed in the front part) is installed on the rear beam;
  • Fig. 12 is a schematic diagram of a partial three-dimensional structure in Fig. 11;
  • Fig. 13 is a schematic perspective view of the rear side of Fig. 12;
  • Fig. 14 is a schematic diagram of the assembly structure of the relevant parts of the head beam and the transmission mechanism of the present invention.
  • Fig. 15 is a schematic diagram of the installation structure of the transfer cloth of the present invention.
  • body mechanism A moving mechanism B, vehicle frame 1, carrier plate 2, transmission mechanism 3, upper frame 11, lower frame 12, upper carrier plate 21, middle partition plate 22, lower carrier plate 23, Backing plate 24, leveling device 25, carrier plate roller 26, slope 27, transfer cloth pressure roller 28, upper transfer cloth 29, lower transfer cloth 30, return board side vertical beam 101, board exit side vertical beam 102, support frame 103 , Upper side support beam 104, lower side support beam 105, baffle plate 106, front beam 107, rear beam 108, support seat 109, slide rail 110, rack 111, handrail 112, chute 113, lower frame vertical beam 114, column support seat 115, column 116, column guard plate 117, brake head 118, anchor 119, universal wheel 120, support seat roller 121, support plate 122, leveling connection block 251 and leveling screw rod 252, outer plate 301, inner plate 302, connecting plate 303, first output shaft 304, second output shaft 305, first support shaft 306, second support shaft 307, third support shaft 308, input shaft 309, transition shaft 310,
  • the present invention includes a body mechanism A and a moving mechanism B.
  • the body mechanism A includes three parts: a vehicle frame 1, a carrying plate 2, and a transmission mechanism 3.
  • the vehicle frame 1 includes an upper frame 11 and the lower frame 12, the upper frame 11 and the lower frame 12 are fixedly connected by uprights 116, and the two uprights 116 are placed symmetrically one after the other, installed on the upright support seat 115 of the lower frame 12, connected by screws
  • the lower support beam 105 of the upper frame 11 is fixedly connected by screws, and the column is designed in a hollow square column shape, which is convenient for installation, light in weight, and high in support strength;
  • the moving mechanism B includes a brake head 118, an anchor 119 and a universal wheel 120.
  • the brake head has a safety protection function, and the car body cannot move when the brake head is not lifted, which can ensure the safety of use to the greatest extent.
  • This mobile mechanism B is installed in the lower end of vehicle body mechanism A, joins with the lower vehicle frame 12 of vehicle body mechanism A, and a universal wheel 120 is respectively housed on both sides of the front end of lower vehicle frame 12 and the rear end, totally four.
  • the front beam 107 in the upper frame 11 is provided with a ventilator frame 1081, and the back plate side vertical beam 101 in the upper frame 11 is provided with a bottle hanger 1011 to ensure that ventilators or infusions are needed. Patient safety during transport.
  • the ventilator frame 1081 is welded by a hollow circular tube and a load-bearing plane, which is light in weight and strong in load-bearing capacity.
  • the upper frame 11 includes a support frame 103 , an upper support beam 104 , a lower support beam 105 , a baffle plate 106 , and a support beam connector 1041 .
  • Described bracing frame 103 is the square frame that is fixedly connected into by screwing side vertical beam 101, board-out side vertical beam 102, front beam 107, and rear beam 108; further, described upper support beam 104 ( A total of 6 pieces) are evenly distributed, fixed on the upper end of the support frame 103 through the upper support beam connector 1041, and a baffle plate 106 is provided above the upper support beam 104 to prevent debris from falling into the mechanism and cause safety accidents At the same time, it can prevent the mechanical structure from being exposed when the carrying plate 2 moves; further, the lower support beam 105 is a whole welded by 6 hollow square tubes, and as the main load-bearing part of the upper frame 11, it has light weight, Advantages of compact structure and large bearing capacity; the lower side support beam 105 is
  • support seat 109 is provided on the top of the upper vehicle frame 11 both sides (outboard edge vertical beam 102), and a slide is provided above the support plate 122 inside the front cross beam 107 and the rear cross beam 108. Groove 113.
  • a cylindrical elastic rod is installed in the chute 113, and the elastic rod is made of a flexible material and runs through the entire chute 113, which can provide support to the carrier plate 2 and reduce the friction area with the carrier plate 2 simultaneously;
  • a row of support seat rollers 121 is installed on the support seat 109, and the support seat rollers 121 can roll along with the movement of the carrying plate 2 to ensure that the carrying plate 2 can move smoothly, which not only provides support for the carrying plate 2, but also ensures the stability of the carrying plate 2 movement, reduce wear and increase service life.
  • grooves 1021 are provided at the joints of the front beam 107 and the rear beam 108 with the side vertical beam 102 and the side vertical beam 101 of the back panel, which facilitates the installation of the vehicle frame 1, has a compact structure, and increases the load-bearing capacity. area, and improve the carrying capacity of the vehicle frame 1.
  • the carrier board 2 is a flexible material, and from top to bottom is an upper carrier board 21, a middle partition 22 and a lower carrier board 23, and also includes a backing board 24, an upper transfer cloth 29, and a lower transfer cloth. 30 and leveling device 25 (two in total, placed one after the other).
  • the bottom surfaces of the backing plate 24 and the leveling device 25 are all fixed on the lower transport plate 23 .
  • the backing plate 24 is located between the intermediate partition 22 and the lower conveying plate 23, and is used for padding the high and medium partition 22, so that there is a gap between the intermediate partition 22 and the lower conveying plate 23, so that the lower transfer cloth 30 can pass through easily. .
  • the leveling device 25 is located between the upper carrier plate 21 and the lower carrier plate 23, and is used to raise the upper carrier plate 21 so that there is a gap between the upper carrier plate 21 and the middle partition 22 for the upper transfer cloth 29 to pass through smoothly. gap; the leveling device 25 includes a leveling connection block 251 and a leveling screw 252 fixedly connected together, one side of the leveling device 25 is fixedly connected with the connecting plate 323 in the transmission mechanism 3, and the other side is fixedly connected with the connecting plate 323 in the transmission mechanism 3; The carrying plate 2 is connected, installed between the upper carrying plate 21 and the lower carrying plate 23, and is fixedly connected with the two by screws.
  • the main function of the leveling device 25 is to connect the carrying plate 2 and the transmission mechanism 3, and at the same time, the inclination angle of the leveling connection block 251 can be controlled by adjusting the leveling screw 252 to adjust the height of one side of the carrying plate 2 to ensure that the carrying plate 2 is level .
  • the set leveling device 25 can also realize the separation of the upper and lower transport plates, lift the upper transport plate 21 separately to clean the bed sheet and the car body, and can Realize the function of laying medical isolation bed sheets, with high strength, wear resistance, antibacterial, waterproof and other functions, it can conveniently lay disposable sterile bed sheets to avoid infection to the greatest extent.
  • the board-out edges of the upper carrier plate 21 and the lower carrier plate 23 are all provided with carrier plate rollers 26, and the edge of the upper carrier plate 21 that can be moved out of the vehicle frame 1 is provided with carrier plate rollers 26, and the lower carrier plate 23 is provided with carrier plate rollers 26.
  • 23 is also provided with carrier plate rollers 26 on both the side of the plate and the side of the return plate, and the rollers of the carrier plate 26 can ensure that the upper transfer cloth 29 and the lower transfer cloth 30 can run smoothly;
  • the upper carrying plate 21, the middle partition 22 and the lower carrying plate 23 have a comb-shaped structure, which can ensure the softness of the carrying plate 2.
  • the unique three-plate and two-cloth pick-up device provides patients with a higher sense of comfort. , to meet the structure of various special-shaped docking tables (CT machine inspection table), and provide the greatest safety performance.
  • a handrail 112 is respectively provided on the back board side vertical beam 101 and the board out board side vertical beam 102 in the upper frame 11 , and the handrail 112 is fixed below the above two beams through the handrail seat 1121 .
  • the buckle 1122 When the armrest 112 is lifted up, it will be blocked by the buckle 1122, so that the armrest 112 will not automatically fall; when the armrest 112 is not in use, the buckle 1122 can be opened, and the armrest 112 can be completely lowered to the bottom of the upper frame 11 without hindering the patient. Or the actions of medical staff, efficient use of space.
  • the lower frame 12 includes a lower frame vertical beam 114, a column support seat 115, a column 116, and a column guard plate 117.
  • the transmission mechanism 3 includes: a carrier plate drive mechanism C for driving the carrier plate 2 to move laterally, a rotary drive mechanism D for driving the transfer cloth, and a rotary drive mechanism C for driving the carrier plate 2 to rotate
  • the power transmission mechanism E for transmission and manual conversion between the drive mechanisms D, and the bracket plate used to install the carrier plate drive mechanism C, the rotary drive mechanism D and the power transmission mechanism E;
  • the bracket plate consists of an outer plate 301, an inner Plate 302, connecting plate 303 and headstock outer plate 332 are formed, and outer plate 301 is arranged in parallel with inner plate 302; Described connecting plate 303 is fixedly connected on the upper end of outer plate 301 by screw, and this outer plate 301, inner plate 302 and connecting plate 303 is arranged on the inner side of the rear cross member 108 , and the front outer panel 332 is arranged on the inner side of the front cross member 107 .
  • the power transmission mechanism E includes a transition shaft 310, a transmission shaft 311 and a spline shaft 312, and the transition shaft 310 is fixed with a third gear 323, a fourth gear 324 and a fifth gear 325; the transmission shaft 311 has two The transmission bull gear 314 and the transmission pinion gear 315 are respectively fixed on the two ends, and the transmission bull gear 314 meshes with the first gear 313; the spline shaft 312 is provided with a first sliding gear 316, a second sliding gear 317 and a second gear 318; the first sliding gear 316 is fixed with a first shift fork 319, and the first shift fork 319 is sleeved on the first fork shaft 320; the second sliding gear 317 is fixed with a second Two shift forks 321 , the second shift fork 321 is sheathed on the second fork shaft 322 .
  • the carrier plate driving mechanism C includes a first output shaft 304, a slider 330, a slide rail 110, a support plate 122, a rack 111, an eighth gear 328 and a ninth gear 329, and the outer plate 301 and the front outer plate 332 Each outer side is connected with a slider 330 ; the rotary drive mechanism D is composed of the second output shaft 305 and the sixth gear 326 .
  • the two ends of the first output shaft 304 rotate through the outer plate 301, the inner plate 302 and the front outer plate 332 respectively, and the eighth gear 328 and the ninth gear are housed on the first output shaft 304 between the outer plate 301 and the inner plate 302 329; a seventh gear 327 is respectively installed at the two ends of the first output shaft 304; one end of the second output shaft 305 rotates through the connecting plate 303, and the sixth gear 326 is housed, and the sixth gear 326 is connected with the third gear 323; the other end of the second output shaft 305 is rotatably supported on the connecting plate 303 at the other end.
  • a rack 111 and a slide rail 110 are installed at the inner lower parts of the front beam 107 and the rear beam 108 respectively, and the rack 111 is engaged with the seventh gear 327, so that the carrying plate 2 moves laterally along the rack 111 , to achieve precise control, while reducing noise and parts wear; a sliding block 330 is slidably installed on each of the two slide rails 110 .
  • the first shift fork 319 is connected with the first fork shaft 320 by a pin, and the second shift fork 321 and the second fork shaft 322 are also connected by a pin; the first shift fork 319 is synchronized with the first fork shaft 320 Move, the second shift fork 321 moves synchronously with the second fork shaft 322; by moving the first fork shaft 320, the first sliding gear 316 can be moved in the axial direction of the spline shaft 312, thereby realizing the first sliding gear 316 and The fourth gear 324 and the eighth gear 328 are meshed or separated simultaneously, and the first sliding gear 316 and the ninth gear 329 are engaged or separated; The axial movement of 312 realizes the engagement and separation of the second sliding gear 317 and the fifth gear 325 .
  • Two support bearings 331 are installed on the outer sides of the outer plate 301 and the front outer plate 332 respectively, and the support bearings 331 are located on the support plate 122 to provide support for the transmission mechanism 3 .
  • the above three supports (support plate 122 , rack 111 and slide rail 110 ) provided for the transmission mechanism 3 can reduce the stress concentration of the transmission mechanism 3 and prolong the service life of the mechanism.
  • the support plate 122 and the slide rail 110 can disperse the contact stress between the upper frame 11 and the transmission mechanism 3 and prolong the service life of the mechanism.
  • the second output shaft 305 is rotatably mounted on the connecting plate 303, while the second output shaft 305 is located between the carrying plate 2 and the side vertical beam 101 of the back plate, on which the second output shaft 305 is wound and transferred
  • One end of the cloth 29, the other end of the upper transfer cloth 29 is connected to the carrier plate roller 26 around the upper carrier plate 21, the upper layer of the upper transfer cloth 29 is located above the upper carrier plate 21, and the lower layer is positioned between the upper carrier plate 21 and the middle partition 22 Between, wrapped up carrying plate 21 and second output shaft 305.
  • the transfer cloth pressure roller 28 above and on the right side of the second output shaft 305 which can press the upper transfer cloth 29 on the second output shaft 305, so that the upper transfer cloth 29 can rotate synchronously with the rotation of the second output shaft 305 , to avoid slipping.
  • the closed loop of the lower transfer cloth 30 surrounds the outer periphery of the lower transport plate 23, and the left and right ends respectively surround the carrier plate rollers 26 on the left and right sides of the lower transport plate 23, which can be flexibly rotated to prevent the patient from being placed on the patient's bed when the transport plate 2 picks up the patient. Sheets push pleats.
  • the medical personnel use the handrail 112 to push the medical transfer vehicle to the hospital bed, close the medical transfer vehicle to the side of the hospital bed, step on the brake head 118 and lock the universal wheel 120 to fix the equipment, move the power transmission mechanism E, and use the crank handle Shake the input shaft 309 in the transmission mechanism 3, drive the carrier plate drive mechanism C and the rotary drive mechanism D at the same time, and insert the carrier plate 2 under the patient’s body; further, when the carrier plate is driven to the end point, the mobile power transmission mechanism E is switched to Only the rotary drive transports the patient's body to the central position of the carrier board 2; further, the mobile power transmission mechanism E is switched to only the carrier board drive, and the carrier board 2 is completely returned to the board, and the patient is transferred to the transfer vehicle. Lift the brake head 118 to transport the patient. The transfer job is complete.

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Abstract

本发明涉及一种核磁共振室用转运车，它包括车身机构和移动机构，移动机构安装在车身机构的下端。所述车身机构主要包括车架、载运板和传动机构，车架主要包括上车架和下车架，载运板主要包括上载运板、中间隔板和下载运板，传动机构为多组合输出的齿轮传动系统，通过人力手摇驱动，带动载运板横向移动来转运病人。本发明的优点是：整车材料均为无磁性材料，可作为核磁专用转运车；所述车架结构紧凑、零部件少，设有多处榫卯结构，便于快速安装，同时承载能力强；所述齿轮传动系统脱离了电力的束缚，可大幅省力，减轻了护理人员的劳动强度；所述载运板为独特的三板两布结构，为病人提供较高的舒适感，并提供了最大的安全性能。

Description

一种核磁共振室用转运车 技术领域
本发明涉及一种核磁共振室用转运车，主要用于医院中将卧床的病人从病床上转移到其它设备或其他床上。
背景技术
医疗转运车是将病人在床与床之间转运的医疗器具，常用于将病人从手术台、急诊室转运到病房或从救护车转运到专用医用床，或运送病人进行各项检查；现在的大部分医院仍采用一些普通推床，这种推床除床脚上装有万向轮外，其他结构与普通病床基本一致，在将病人转运至这种病床上时，只能依靠医护人员或家属进行抬、扶、抱的转移方法。一方面极大地增加了医护人员和家属的负担，另一方面可能会对病人造成二次伤害，给病人造成极大痛苦。
在紧急情况对病人的援救还需携带呼吸机、吊瓶等器具，而现在出现在医院里的转运病车大多都没有安装呼吸机架和吊瓶架，无法做到最大程度的保证病人安全。
现有技术公开了一些医疗转运车，如公告号为CN205459534U的实用新型公开了一种医用新型电动转运车，其结构简单，能够基本实现病人的转移工作，但是载运板过硬、过厚，在载运板插入病人身体下时缺乏舒适性，甚至对病人造成挤压或推伤，需要病人的配合和医护人员辅助才能完成转运过程，因此增大了医护人员的体力消耗，降低了工作效率。
同时，在其中的某些部件的传动中，所用的齿轮传动系统主要为直齿轮、 斜齿轮、面齿轮和涡轮蜗杆传动，且常用单对齿轮副、开环的齿轮传动链和非同轴的传动方向。难以满足高效率、系统尺寸紧凑和单输入多输出的要求。
发明内容
本发明的目的就是提供一种核磁共振室用转运车，以解决现有医用转运车存在的接送病人舒适性差、效率低、离不开电力束缚；结构复杂、安装速度慢，不能用于核磁共振用途的缺点。
为了解决上述问题，本发明采用的技术方案是：一种核磁共振室用转运车，包括车身机构和移动机构，所述的车身机构包括车架、载运板和传动机构，车架包括上车架和下车架，上车架的底端与下车架上面的立柱的顶端固定连接；在该下车架的下端装有移动机构；该载运板滑动安装在上车架的上面，在该载运板下面的上车架内装有传动机构，在该载运板上设有转运布，其特征在于，所述的传动机构包括：用于驱动载运板横向移动的载运板驱动机构、用于驱动转运布的回转驱动机构、用于在载运板驱动机构与回转驱动机构之间进行传动和手动转换的动力传递机构、以及用于安装载运板驱动机构、回转驱动机构和动力传递机构的支架板；该转运车均采用无磁性材料制成，能够作为核磁专用转运车。
本发明的优点是：
1、转运车整体均为无磁性材料，可作为核磁专用转运车；所述车架主体框架由方管焊接而成，采用对称设计，组装方便，实现了模块化的快拆结构设计，可以满足异地快速组装和易损件的更换，具有较高的易维护性；设有多处榫卯结构，结构紧凑、便于快速安装，同时承载能力强。
2、载运板为独特的三板两布的接送装置，为病人提供较高的舒适感，满足各类异形对接台的结构(CT机检查台)，并提供了最大的安全性能。载运板 采用柔性材料，在出板边设有小坡度斜坡可顺利插进病人身体下，出板边还为梳形结构，可以保证载运板的柔软度，增加舒适感。
3、所述传动机构为多组合输出的齿轮传动机构，使用人力手摇驱动，避免了电力限制。可通过设有的两个叉轴实现在回转输出、横向输出以及回转并横向输出三种模式之间切换，实现多种协调的运动组合形式，可以只用一人一车实现病人的安全、便捷的转运，并能最大程度避免二次伤害；该传动机构传动比设计合理，只需一名医护人员可轻松摇动，摇动10周可实现完全出板，一次出板和回板就可以把病人送上转运车，操作简单省力，工作效率高。
附图说明
图1是本发明的侧面结构示意图；
图2是本发明载运板全部移出状态的立体结构示意图；
图3是本发明的上车架整体的立体结构示意图；
图4是图3中上车架框架的立体分解结构示意图；
图5是图3中车尾横梁的结构示意图；
图6是图3中上侧支撑梁安装示意图；
图7是图3中车头横梁与出板边竖梁连接处结构示意图；
图8是本发明载运板的立体分解结构示意图；
图9是本发明扶手处的放大图；
图10是本发明下车架的立体结构示意图；
图11是本发明的传动机构(不含安装在车头部分的有关部件)安装在车尾横梁上的立体结构示意图；
图12是图11中局部的立体结构示意图；
图13是图12后侧的立体结构示意图；
图14是本发明车头横梁与传动机构有关部分的组装结构示意图；
图15是本发明转运布的安装结构示意图。
附图标记说明：车身机构A、移动机构B、车架1、载运板2、传动机构3、上车架11、下车架12、上载运板21、中间隔板22、下载运板23、垫板24、调平装置25、载运板滚轮26、斜坡27、转运布压辊28、上转运布29、下转运布30、回板侧竖梁101、出板边竖梁102、支撑架103、上侧支撑梁104、下侧支撑梁105、挡板106、车头横梁107、车尾横梁108、支撑座109、滑轨110、齿条111、扶手112、滑槽113、下车架竖梁114、立柱支撑座115、立柱116、立柱护板117、刹车头118、地脚119、万向轮120、支撑座滚轮121、支撑板122、调平连接块251和调平螺杆252、外板301、内板302、连接板303、第一输出轴304、第二输出轴305、第一支撑轴306、第二支撑轴307、第三支撑轴308、输入轴309、过渡轴310、传动轴311、花键轴312、第一齿轮313、传动大齿轮314、传动小齿轮315、第一滑移齿轮316、第二滑移齿轮317、第二齿轮318、第一拨叉319、第一叉轴320、第二拨叉321、第二叉轴322、第三齿轮323、第四齿轮324、第五齿轮325、第六齿轮326、第七齿轮327、第八齿轮328、第九齿轮329、滑块330、支撑轴承331、车头外板332、转运布轴遮挡件333、吊瓶架1011、呼吸机架1081、扶手座1121、卡扣1122、上侧支撑梁连接件1041、凹槽1021。
具体实施方式
参见图1和图2，本发明包括车身机构A和移动机构B，所述的车身机构A包括车架1、载运板2、传动机构3三部分，所述的车架1包括上车架11和下车架12，上车架11与下车架12通过立柱116固定连接，所述的两根立 柱116一前一后对称放置，安装在下车架12的立柱支撑座115上，通过螺钉与上车架11的下侧支撑梁105通过螺钉固定连接，立柱为空心方形柱状设计，便于安装，质量轻，支撑强度高；所述的移动机构B包括刹车头118、地脚119和万向轮120，所述刹车头具有安全防护功能，刹车头未抬起时车体不能移动，可最大程度保障使用安全。该移动机构B安装在车身机构A的下端，与车身机构A的下车架12相接，在下车架12的前端和后端的两侧各装有一个万向轮120，共四个。
所述上车架11中的车头横梁107上设有呼吸机架1081，所述上车架11中的回板侧竖梁101上设有吊瓶架1011，保证需要用到呼吸机或输液的病人在转运途中的安全。所述呼吸机架1081为由空心圆管和一个承载平面焊接而成，质量轻，承重能力强。
参见图3和图4，所述上车架11包括支撑架103、上侧支撑梁104、下侧支撑梁105、挡板106、支撑梁连接件1041。所述的支撑架103为由回板侧竖梁101、出板边竖梁102以及车头横梁107、车尾横梁108通过螺钉固定连接成的方形框架；进一步，所述的上侧支撑梁104(共6根)均匀分布，通过上侧支撑梁连接件1041固定在支撑架103的上端，所述的上侧支撑梁104上方设有挡板106，用于防止杂物落入机构中导致安全事故，同时可以防止载运板2移动时机械结构暴露；进一步，所述的下侧支撑梁105为由6根空心方管焊接成的整体，作为上车架11的主要承力部件，具有质量轻、结构紧凑、承载力大的优点；下侧支撑梁105焊接在回板侧竖梁101和出板边竖梁102中的凹槽1021处。所述的支撑座滚轮121可随载运板2的移动而滚动，保证载运板2可以平稳的运动，减少磨损，提高使用寿命。
参见图5和图7，在所述上车架11两侧的(出板边竖梁102)顶部设有 支撑座109，在车头横梁107和车尾横梁108内侧的支撑板122上方设有滑槽113。滑槽113内安装一根圆柱形弹性棒，弹性棒为柔性材料制成，贯穿整个滑槽113，既能对载运板2提供支撑，同时可以减小与载运板2之间的摩擦面积；在支撑座109上安装有一排支撑座滚轮121，支撑座滚轮121能够随载运板2的移动而滚动，保证载运板2能够平稳的运动，既为载运板2提供支撑，又能保证载运板2平稳运动，减少磨损，提高使用寿命。
参见图7，所述的车头横梁107、车尾横梁108中与出板边竖梁102、回板侧竖梁101连接处设有凹槽1021，方便车架1安装，结构紧凑，增大承重面积，提高车架1承载能力。
参见图8，所述的载运板2为柔性材料，由上到下分别为上载运板21、中间隔板22和下载运板23，另外还包括垫板24、上转运布29、下转运布30和调平装置25(共两个，一前一后放置)。所述垫板24和调平装置25的底面都固定在下载运板23上。所述垫板24位于中间隔板22和下载运板23之间，用于垫高中间隔板22，使中间隔板22和下载运板23之间留有空隙，使下转运布30可以轻松通过。所述调平装置25位于上载运板21和下载运板23之间，用于垫高上载运板21，使上载运板21和中间隔板22之间留有供上转运布29顺畅通过的间隙；所述调平装置25包括固定连接在一起的调平连接块251和调平螺杆252，该调平装置25一侧与传动机构3中的连接板323通过螺钉固定连接，另一侧与载运板2相连，安装在上载运板21和下载运板23之间，通过螺钉与两者固定连接。调平装置25的主要作用是将载运板2和传动机构3连接起来，同时可通过调节调平螺杆252控制调平连接块251的倾角进而调节载运板2一侧的高度，保证载运板2水平。另外，由于在转运过程中病人会出现出血的情况，因此所设的调平装置25还可以实现上下载运板 的分离，将上载运板21单独掀起从而对床单和车体进行清理，并能实现铺设医用隔离床单的作用，具有强度高，耐磨，抑菌，防水等功能，能方便铺设一次性无菌床单，实现最大程度避免感染。
所述的上载运板21和下载运板23的出板边均设有载运板滚轮26，所述的上载运板21能够移出车架1的出板边设有载运板滚轮26，下载运板23的出板侧和回板侧也都设有载运板滚轮26，所述的载运板滚轮26可保证上转运布29和下转运布30能够流畅运行；所述上载运板21的出板边还有向下倾斜的小坡度斜坡27，可使载运板2顺利插进病人身体下，避免对病人造成挤压或推伤。所述上载运板21、中间隔板22和下载运板23的出板边为梳形结构，可以保证载运板2的柔软度，独特三板两布的接送装置，为病人提供较高的舒适感，满足各类异形对接台的结构(CT机检查台)，并提供了最大的安全性能。
参见图9，所述上车架11中的回板侧竖梁101和出板边竖梁102上分别设有一个扶手112，扶手112通过扶手座1121固定于上述两梁的下方。所述扶手112扶起时会被卡扣1122卡住，使扶手112不会自动落下；不使用扶手112时可打开卡扣1122后，扶手112可完全放下至上车架11下方，不会妨碍病人或医护人员的行动，有效利用空间。
参见图10，所述下车架12包括下车架竖梁114、立柱支撑座115、立柱116、立柱护板117，两侧下车架竖梁114和前后端的立柱护板117构成矩形下车架12主体。
如图11-14，所述的传动机构3包括：用于驱动载运板2横向移动的载运板驱动机构C、用于驱动转运布的回转驱动机构D、用于在载运板驱动机构C与回转驱动机构D之间进行传动和手动转换的动力传递机构E、以及用于安装 载运板驱动机构C、回转驱动机构D和动力传递机构E的支架板；所述的支架板由外板301、内板302、连接板303和车头外板332组成，外板301与内板302平行设置；所述的连接板303通过螺钉固定连接在外板301的上端，该外板301、内板302和连接板303设在车尾横梁108的内侧，车头外板332设在车头横梁107的内侧。
所述的动力传递机构E包括过渡轴310、传动轴311和花键轴312，过渡轴310上固定设有第三齿轮323、第四齿轮324和第五齿轮325；所述的传动轴311两端分别固定设有传动大齿轮314和传动小齿轮315，传动大齿轮314与第一齿轮313啮合；花键轴312上设有第一滑移齿轮316、第二滑移齿轮317和第二齿轮318；所述的第一滑移齿轮316上固定设有第一拨叉319，第一拨叉319套设于第一叉轴320上；所述的第二滑移齿轮317上固定设有第二拨叉321，第二拨叉321套设于第二叉轴322上。
所述的载运板驱动机构C包括第一输出轴304、滑块330、滑轨110、支撑板122、齿条111、第八齿轮328和第九齿轮329，在外板301和车头外板332的外侧各连接一滑块330；所述的回转驱动机构D由第二输出轴305和第六齿轮326组成。
第一输出轴304的两端分别转动穿过外板301、内板302和车头外板332，在外板301与内板302之间的第一输出轴304上装有第八齿轮328和第九齿轮329；在第一输出轴304的两端分别安装一个第七齿轮327；第二输出轴305的一端转动穿出连接板303，并装有第六齿轮326，该第六齿轮326与第三齿轮323相啮合；第二输出轴305的另一端转动支撑在另一端的连接板303上。
在所述的车头横梁107和车尾横梁108内侧的下部分别装有齿条111和滑轨110，该齿条111与第七齿轮327相啮合，从而使载运板2沿齿条111做 横向移动，实现精确控制，同时减小噪音和零件磨损；在两根滑轨110上各滑动安装一滑块330。
所述的第一拨叉319与第一叉轴320之间通过销连接，第二拨叉321与第二叉轴322之间也通过销连接；第一拨叉319同步于第一叉轴320移动，第二拨叉321同步于第二叉轴322移动；通过移动第一叉轴320可以使第一滑移齿轮316在花键轴312的轴向移动，从而实现第一滑移齿轮316与第四齿轮324、第八齿轮328同时啮合或分离，还可实现第一滑移齿轮316与第九齿轮329啮合或分离；通过移动第二叉轴322使第二滑移齿轮317在花键轴312的轴向移动，实现第二滑移齿轮317与第五齿轮325啮合与分离。
在所述的在外板301和车头外板332的外侧分别装有两个支撑轴承331，撑轴承331位于支撑板122的上面，为传动机构3提供支撑。
上述针对传动机构3所设置的三处支撑(支撑板122、齿条111和滑轨110)，可减小传动机构3的应力集中，延长机构使用寿命。支撑板122和滑轨110可分散上车架11和传动机构3的接触应力，延长机构的使用寿命。
移动第一叉轴320，使第一滑移齿轮316与第四齿轮324、第八齿轮328脱离啮合且不与第九齿轮329啮合，同时移动第二叉轴322，使第二滑移齿轮317与第五齿轮325啮合，输入轴309转动时，此时，只有第二输出轴305的转动输出，带动上转运布29绕第二输出轴305转动，实现卷布过程，逐渐将病人转运到载运板2上。
移动第一叉轴320，使第一滑移齿轮316与第四齿轮324、第八齿轮328同时啮合，同时移动第二叉轴322，使第二滑移齿轮317与第五齿轮325分离，输入轴309转动时，可以同时实现第一输出轴304和第二输出轴305的转动输出，第一输出轴304带动第七齿轮327在齿条111上转动，实现传动机构3 带动载运板2做横向移动；且第二输出轴305同时实现卷布过程。
移动第一叉轴320，使第一滑移齿轮316与第九齿轮329啮合，同时移动第二叉轴322，使第二滑移齿轮317与第五齿轮325分离，输入轴309转动时，此时，只有第一输出轴304转动，带动第七齿轮327在齿条111上转动，即仅实现传动机构3带动载运板2做横向移动。
参见图15，所述第二输出轴305转动安装在连接板303上，同时第二输出轴305位于载运板2与回板侧竖梁101之间，在该第二输出轴305上缠绕上转运布29的一端，该上转运布29的另一端围绕上载运板21连接在载运板滚轮26上，上转运布29上层位于上载运板21上方，下层位于上载运板21和中间隔板22之间，包裹着上载运板21和第二输出轴305。在第二输出轴305上方和右侧各有一个转运布压辊28可以将上转运布29压紧在第二输出轴305上，使上转运布29可以随第二输出轴305的转动同步转动，避免打滑。所述下转运布30闭环环绕在下载运板23外围，左右两端分别围绕在下载运板23左右两侧的载运板滚轮26上，可灵活转动，避免载运板2接送病人时将病人所在病床床单推褶。
本发明的工作过程如下：
由医护人员用扶手112推送医疗转运车到病床处，将医疗转运车紧贴在病床边，踩下刹车头118锁住万向轮120将设备固定住，移动动力传递机构E，用摇把手动摇动传动机构3中的输入轴309，同时驱动载运板驱动机构C与回转驱动机构D，将载运板2插入病人身体下；进一步，当载运板驱动到终点时，移动动力传递机构E切换至仅回转驱动，将病人身体运至载运板2中央位置；进一步，移动动力传递机构E切换至仅载运板驱动，将载运板2完全回板，连同病人转运至转运车上。抬起刹车头118运送病人。转移工作完成。

Claims (10)

  1. 一种核磁共振室用转运车，包括车身机构(A)和移动机构(B)，所述的车身机构(A)包括车架(1)、载运板(2)和传动机构(3)，车架(1)包括上车架(11)和下车架(12)，上车架(11)的底端与下车架(12)上面的立柱(116)的顶端固定连接；在该下车架(12)的下端装有移动机构(B)；该载运板(2)滑动安装在上车架(11)的上面，在该载运板(2)下面的上车架(11)内装有传动机构(3)，在该载运板(2)上设有转运布，其特征在于，所述的传动机构(3)包括：用于驱动载运板(2)横向移动的载运板驱动机构(C)、用于驱动转运布的回转驱动机构(D)、用于在载运板驱动机构(C)与回转驱动机构(D)之间进行传动和手动转换的动力传递机构(E)、以及用于安装载运板驱动机构(C)、回转驱动机构(D)和动力传递机构(E)的支架板；该转运车均采用无磁性材料制成，能够作为核磁专用转运车。
  2. 根据权利要求1所述的核磁共振室用转运车，其特征在于，所述上车架(11)包括支撑架(103)、上侧支撑梁(104)、下侧支撑梁(105)、挡板(106)和上侧支撑梁连接件(1041)，所述上侧支撑梁(104)通过上侧支撑梁连接件(1041)与支撑架(103)固定连接，构成矩形框架主体；所述下侧支撑梁(105)为由6根空心方管焊接成的整体，作为上车架(11)的主要承力部件；所述下车架(12)包括下车架竖梁(114)、立柱支撑座(115)、立柱(116)和立柱护板(117)，两侧下车架竖梁(114)和前后端的立柱护板(117)构成矩形的下车架(12)主体。
  3. 根据权利要求2所述的核磁共振室用转运车，其特征在于，所述的支撑架(103)为由回板侧竖梁(101)、出板边竖梁(102)以及车头横梁(107)、车尾横梁(108)通过螺钉固定连接成的方形框架，所述的车头横梁(107)、 车尾横梁(108)中与出板边竖梁(102)、回板侧竖梁(101)连接处设有凹槽(1021)；在车头横梁(107)和车尾横梁(108)内侧的上部设有支撑板(122)。
  4. 根据权利要求3所述的核磁共振室用转运车，其特征在于，所述的支架板由外板(301)、内板(302)、连接板(303)和车头外板(332)组成，外板(301)与内板(302)平行设置；所述的连接板(303)通过螺钉固定连接在外板(301)的上端，该外板(301)、内板(302)和连接板(303)设在车尾横梁(108)的内侧，车头外板(332)设在车头横梁(107)的内侧；
    所述的动力传递机构(E)包括过渡轴(310)、传动轴(311)和花键轴(312)，过渡轴(310)上固定设有第三齿轮(323)、第四齿轮(324)和第五齿轮(325)；所述的传动轴(311)两端分别固定设有传动大齿轮(314)和传动小齿轮(315)，传动大齿轮(314)与第一齿轮(313)啮合；花键轴(312)上设有第一滑移齿轮(316)、第二滑移齿轮(317)和第二齿轮(318)；所述的第一滑移齿轮(316)上固定设有第一拨叉(319)，第一拨叉(319)套设于第一叉轴(320)上；所述的第二滑移齿轮(317)上固定设有第二拨叉(321)，第二拨叉(321)套设于第二叉轴(322)上；
    所述的载运板驱动机构(C)包括第一输出轴(304)、滑块(330)、滑轨(110)、支撑板(122)、齿条(111)、第八齿轮(328)和第九齿轮(329)，在外板(301)和车头外板(332)的外侧各连接一滑块(330)；所述的回转驱动机构(D)由第二输出轴(305)和第六齿轮(326)组成；
    第一输出轴(304)的两端分别转动穿过外板(301)、内板(302)和车头外板(332)，在外板(301)与内板(302)之间的第一输出轴(304)上装有第八齿轮(328)和第九齿轮(329)；在第一输出轴(304)的两端分别安装一个第七齿轮(327)；第二输出轴(305)的一端转动穿出连接板(303)， 并装有第六齿轮(326)，该第六齿轮(326)与第三齿轮(323)相啮合；第二输出轴(305)的另一端转动支撑在另一端的连接板(303)上；
    在所述的车头横梁(107)和车尾横梁(108)内侧的下部分别装有齿条(111)和滑轨(110)，该齿条(111)与第七齿轮(327)相啮合，从而使载运板(2)沿齿条(111)做横向移动，实现精确控制，同时减小噪音和零件磨损；在两根滑轨(110)上各滑动安装一滑块(330)；
    所述的第一拨叉(319)与第一叉轴(320)之间通过销连接，第二拨叉(321)与第二叉轴(322)之间也通过销连接；第一拨叉(319)同步于第一叉轴(320)移动，第二拨叉(321)同步于第二叉轴(322)移动；通过移动第一叉轴(320)可以使第一滑移齿轮(316)在花键轴(312)的轴向移动，从而实现第一滑移齿轮(316)与第四齿轮(324)、第八齿轮(328)同时啮合或分离，还可实现第一滑移齿轮(316)与第九齿轮(329)啮合或分离；通过移动第二叉轴(322)使第二滑移齿轮(317)在花键轴(312)的轴向移动，实现第二滑移齿轮(317)与第五齿轮(325)啮合与分离。
  5. 根据权利要求4所述的核磁共振室用转运车，其特征在于，在所述的外板(301)和车头外板(332)的外侧分别至少装有两个支撑轴承(331)，支撑轴承(331)位于支撑板(122)的上面，为传动机构(3)提供支撑。
  6. 根据权利要求4所述的核磁共振室用转运车，其特征在于，所述上车架(11)中的车头横梁(107)上设有呼吸机架(1081)，所述上车架(11)中的回板侧竖梁(101)上设有吊瓶架(1011)，保证需要用到呼吸机或输液的病人在转运途中的安全；所述呼吸机架(1081)为由空心圆管和一个承载平面焊接而成。
  7. 根据权利要求3所述的核磁共振室用转运车，其特征在于，在所述上 车架(11)两侧的顶部设有支撑座(109)，在车头横梁(107)和车尾横梁(108)内侧的支撑板(122)上方设有滑槽(113)；在滑槽(113)内安装有横向的一根圆柱形弹性棒，既能对载运板(2)提供支撑，同时可以减小与载运板(2)之间的摩擦面积；在支撑座(109)上安装有一排支撑座滚轮(121)。
  8. 根据权利要求3所述的核磁共振室用转运车，其特征在于，所述上车架(11)中的回板侧竖梁(101)和出板边竖梁(102)下侧分别设有一个扶手(112)，扶手(112)通过扶手座(1121)固定于上述两梁的下方。所述扶手(112)扶起时会被卡扣(1122)卡住，使扶手(112)不会自动落下；不使用扶手(112)时可打开卡扣(1122)，扶手(112)可放下至上车架(11)下方，不会妨碍病人或医护人员的行动，有效利用空间。
  9. 根据权利要求4所述的核磁共振室用转运车，其特征在于，所述的载运板(2)包括上载运板(21)、中间隔板(22)、下载运板(23)、垫板(24)、调平装置(25)和所述的转运布，该转运布包括上转运布(29)和下转运布(30)，上载运板(21)、中间隔板(22)和下载运板(23)采用柔性材料制成，并由上到下依次设置；所述垫板(24)和调平装置(25)的底面都固定在下载运板(23)上；所述垫板(24)位于中间隔板(22)与下载运板(23)之间，用于垫高中间隔板(22)，使中间隔板(22)和下载运板(23)之间留有供下转运布(30)顺畅通过的间隙；所述调平装置(25)位于上载运板(21)和下载运板(23)之间，用于垫高上载运板(21)，使上载运板(21)和中间隔板(22)之间留有供上转运布(29)顺畅通过的间隙；所述的上载运板(21)能够移出车架的出板边设有载运板滚轮(26)，下载运板(23)的出板侧和回板侧也都设有载运板滚轮(26)，所述载运板滚轮(26)用于为上转运布(29)和下转运布(30)导向；所述上载运板(21)的出板边设有向下倾斜的小坡 度斜坡(27)，能够使载运板(2)顺利插进病人身体下；所述上载运板(21)、中间隔板(22)和下载运板(23)与出板边相邻的部分为梳形结构，以保证载运板(2)的柔软度；所述上转运布(29)闭环环绕在上载运板(21)和回转驱动机构(D)的第二输出轴(305)的外围；在第二输出轴(305)的上方和内侧分别装有一个能够使得上转运布(29)贴紧第二输出轴(305)的转运布压辊(28)；所述下转运布(30)闭环环绕在下载运板(23)外围；
    所述载运板(2)中的调平装置(25)一前一后共设有两个，每一调平装置(25)包括调平连接块(251)和调平螺杆(252)，该调平装置(25)一侧与传动机构(3)中的连接板(303)通过螺钉固定连接，另一侧与载运板(2)相连，安装在上载运板(21)和下载运板(23)之间，通过螺钉与两者固定连接。
  10. 根据权利要求1所述的核磁共振室用转运车，其特征在于，该移动机构(B)包括刹车头(118)、地脚(119)和万向轮(120)，在下车架(12)的前端和后端的两侧各装有一个万向轮(120)。
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