CN105605148A - Damping system for vehicle-mounted CT (computerized tomography) equipment - Google Patents
Damping system for vehicle-mounted CT (computerized tomography) equipment Download PDFInfo
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- CN105605148A CN105605148A CN201610179321.1A CN201610179321A CN105605148A CN 105605148 A CN105605148 A CN 105605148A CN 201610179321 A CN201610179321 A CN 201610179321A CN 105605148 A CN105605148 A CN 105605148A
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- 238000013016 damping Methods 0.000 title abstract description 38
- 238000003325 tomography Methods 0.000 title 1
- 230000009467 reduction Effects 0.000 claims abstract description 40
- 230000035939 shock Effects 0.000 claims abstract description 27
- 229920001967 Metal rubber Polymers 0.000 claims abstract description 22
- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000872 buffer Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
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Abstract
本发明公开了一种车载CT设备的减振系统，属于车载CT设备减振技术领域。包括：车载CT机架固定于其上且与救护车仪器舱舱底相连接的一级减振平台、搭建在一级减振平台之上的二级减振平台和搭建在二级减振平台之上的倒T型支撑板；一级减振平台包括第一支撑座、第二支撑座和四个钢丝绳减振器；二级减振平台，包括四个金属橡胶减振器和第三支撑座；倒T型支撑板的后端具有两个水平方向金属橡胶减振器。一级减振平台初步缓冲掉大部分的对车载CT机架的振动与冲击；二级减振平台进一步缓冲掉振动、冲击能量，进而进一步增加了CT机架的稳定性；倒T型支撑板固定CT机架机身，可以防止在剧烈振动、冲击过程中车载CT机架左右摇摆。
The invention discloses a vibration reduction system of a vehicle-mounted CT device, which belongs to the technical field of vibration reduction of a vehicle-mounted CT device. Including: the first-level vibration reduction platform on which the vehicle-mounted CT rack is fixed and connected to the bilge of the ambulance instrument cabin, the second-level vibration-damping platform built on the first-level vibration-damping platform, and the second-level vibration-damping platform built on the The inverted T-shaped support plate on the top; the first-level damping platform includes the first support base, the second support base and four wire rope dampers; the second-level damping platform includes four metal rubber dampers and the third support seat; the rear end of the inverted T-shaped support plate has two metal rubber shock absorbers in the horizontal direction. The first-level damping platform initially buffers most of the vibration and impact on the vehicle-mounted CT rack; the second-level damping platform further buffers vibration and impact energy, thereby further increasing the stability of the CT rack; the inverted T-shaped support plate Fixing the body of the CT frame can prevent the vehicle-mounted CT frame from swinging left and right during severe vibration and impact.
Description
所属技术领域Technical field
本发明属于车载CT设备减振技术领域，具体涉及一种车载CT设备的减振系统。The invention belongs to the technical field of vibration reduction of vehicle-mounted CT equipment, and in particular relates to a vibration reduction system of vehicle-mounted CT equipment.
背景技术Background technique
众所周知，CT设备为精密医疗仪器，其机械部件和电子部件对振动和冲击都非常敏感，而精密医疗仪器自身的抗振能力又较差，在对车载CT设备进行运输时，由于运输工具自身的振动，可能会对车载CT设备造成损伤，损坏CT设备的电子部件和机械部件。其中CT设备的CT机架是产生穿透人体的X射线并进行图像采集的结构，对振动、冲击较敏感，是减振系统设计的重点。As we all know, CT equipment is a precision medical instrument, its mechanical and electronic components are very sensitive to vibration and shock, and the precision medical instrument itself has poor vibration resistance. When transporting the vehicle-mounted CT equipment, due to the Vibration may cause damage to the on-board CT equipment and damage the electronic and mechanical components of the CT equipment. Among them, the CT gantry of the CT equipment is a structure that generates X-rays that penetrate the human body and collects images. It is sensitive to vibration and impact and is the focus of the design of the vibration reduction system.
车载CT机架在运输过程中,将不可避免地承受各种振动、冲击、持续动力载荷作用等机械因素的影响。其中振动和冲击对车载CT机架的危害最大。为了保证车载CT机架在所要求的环境条件和使用情况下稳定而可靠地工作，应对车载CT机架采取有效的隔振、缓冲措施，使振动、冲击对车载CT机架产生的影响将到最低水平。During the transportation process, the vehicle-mounted CT frame will inevitably bear the influence of various mechanical factors such as vibration, shock, and continuous dynamic load. Among them, vibration and shock are the most harmful to the vehicle-mounted CT frame. In order to ensure that the vehicle-mounted CT frame works stably and reliably under the required environmental conditions and usage conditions, effective vibration isolation and buffering measures should be taken for the vehicle-mounted CT frame, so that the impact of vibration and impact on the vehicle-mounted CT frame will be minimized. minimum level.
发明内容Contents of the invention
本发明提供一种车载CT设备的减振系统，以降低车载CT机架受到的振动、冲击，提高车载CT机架的稳定性。The invention provides a vibration reduction system of a vehicle-mounted CT device, which is used to reduce the vibration and impact of the vehicle-mounted CT frame and improve the stability of the vehicle-mounted CT frame.
本发明所采用的技术方案是这样实现的：The technical scheme that the present invention adopts is realized like this:
一种车载CT设备的减振系统，包括：一级减振平台、二级减振平台和倒T型支撑板；其中车载CT机架固定于所述二级减振平台之上；所述二级减振平台搭建在一级减振平台之上；所述一级减振平台与救护车仪器舱舱底相连接；所述倒T型支撑板搭建在所述二级减振平台之上；所述二级减振平台通过倒T型支撑板实现与救护车仪器舱支撑板的固定连接；A vibration reduction system for vehicle-mounted CT equipment, comprising: a primary vibration reduction platform, a secondary vibration reduction platform and an inverted T-shaped support plate; wherein the vehicle-mounted CT frame is fixed on the secondary vibration reduction platform; The first-level vibration-damping platform is built on the first-level vibration-damping platform; the first-level vibration-damping platform is connected with the bilge of the ambulance instrument cabin; the inverted T-shaped support plate is built on the second-level vibration-damping platform; The secondary damping platform realizes the fixed connection with the support plate of the ambulance instrument cabin through an inverted T-shaped support plate;
所述一级减振平台，包括第一支撑座、第二支撑座和四个钢丝绳减振器；所述第二支撑座通过所述四个钢丝绳减振器固定连接在第一支撑座上面；The primary damping platform includes a first support base, a second support base and four wire rope dampers; the second support base is fixedly connected to the first support base through the four wire rope dampers;
所述二级减振平台，包括作为二级减振平台底部支撑的四个金属橡胶减振器和第三支撑座；所述四个金属橡胶减振器分布设置在所述第三支撑座下面及所述第二支撑座的上面；The secondary vibration damping platform includes four metal rubber shock absorbers and a third support base as the bottom support of the secondary vibration damping platform; the four metal rubber vibration absorbers are distributed and arranged under the third support base and the top of the second support seat;
所述倒T型支撑板的后端具有两个水平方向的金属橡胶减振器，用于所述倒T型支撑板与救护车仪器舱支撑板之间的辅助支撑；The rear end of the inverted T-shaped support plate has two metal rubber shock absorbers in the horizontal direction, which are used for auxiliary support between the inverted T-shaped support plate and the ambulance instrument cabin support plate;
根据所述的车载CT设备的减振系统，所述四个金属橡胶减振器的相对位置可调节，使车载CT机架的重心位于四个金属橡胶减振器的几何中心。According to the damping system of the vehicle-mounted CT equipment, the relative positions of the four metal-rubber shock absorbers can be adjusted, so that the center of gravity of the vehicle-mounted CT frame is located at the geometric center of the four metal-rubber shock absorbers.
根据所述的车载CT设备的减振系统，所述二级减振平台的第三支撑座两侧具有可固定车载CT机架的卡钩；所述倒T型支撑板的前端也具有可固定车载CT机架的卡钩。According to the vibration reduction system of the vehicle-mounted CT equipment, there are hooks on both sides of the third support seat of the secondary vibration reduction platform that can fix the vehicle-mounted CT frame; the front end of the inverted T-shaped support plate also has a fixed The hook of the vehicle-mounted CT rack.
本发明的有益效果是：本发明的车载CT设备的减振系统与现有技术相比较有以下优势：The beneficial effects of the present invention are: compared with the prior art, the vibration reduction system of the vehicle-mounted CT equipment of the present invention has the following advantages:
(1)一级减振平台与仪器舱底板相固接，运输过程中不至于左右摇摆，不仅缓冲掉大量的对车载CT机架的振动与冲击，起到稳定车载CT机架的作用，而且还相当于给二级减振平台搭建了一个底板，调整一级减振平台的四个调节螺杆，可以使系统转换不同的工作状态，以适应不同的环境要求。(1) The first-level vibration reduction platform is fixedly connected to the bottom plate of the instrument cabin, so that it will not swing left and right during transportation, which not only buffers a large amount of vibration and impact on the vehicle-mounted CT frame, but also stabilizes the vehicle-mounted CT frame. It is also equivalent to building a bottom plate for the second-level vibration reduction platform, and adjusting the four adjustment screws of the first-level vibration reduction platform can make the system switch between different working states to adapt to different environmental requirements.
(2)搭建在一级减振平台之上的二级减振平台，能够进一步缓冲掉振动、冲击能量，使车载CT机架更加地趋向于平稳，进一步增加了CT机架的稳定性，使车载CT机架在运输过程中工作时得到的数据更加精确，减小误差。(2) The second-level vibration-reduction platform built on the first-level vibration-reduction platform can further buffer off vibration and impact energy, making the vehicle-mounted CT rack more stable, further increasing the stability of the CT rack, and making the The data obtained by the vehicle-mounted CT gantry during transportation are more accurate and the error is reduced.
(3)由于CT机架处于空间竖直放置状态，在运输过程中由于惯性的作用，大件物体会左右摇摆，本发明利用在二级减振平台之上的结构简单而且便于操作的倒T型支撑板固定CT机架机身，可以防止在剧烈振动、冲击过程中车载CT机架左右摇摆。(3) Since the CT frame is placed vertically in space, large objects will sway left and right due to the effect of inertia during transportation. The type support plate fixes the body of the CT frame, which can prevent the vehicle-mounted CT frame from swinging left and right during severe vibration and impact.
附图说明Description of drawings
图1为本发明一种实施方式的车载CT设备的减振系统的结构示意图；Fig. 1 is a structural schematic diagram of a vibration reduction system of a vehicle-mounted CT device according to an embodiment of the present invention;
图2为本发明一种实施方式的一级减振平台局部放大示意图；Fig. 2 is a partially enlarged schematic diagram of a first-stage damping platform according to an embodiment of the present invention;
图3为本发明一种实施方式的一级减振平台中四个调节螺杆的局部放大示意图；Fig. 3 is a partially enlarged schematic diagram of four adjusting screws in a first-stage damping platform according to an embodiment of the present invention;
图4为本发明一种实施方式的二级减振平台局部放大示意图；Fig. 4 is a partially enlarged schematic diagram of a secondary damping platform according to an embodiment of the present invention;
图5为本发明一种实施方式的倒T型支撑板局部放大示意图；Fig. 5 is a partially enlarged schematic diagram of an inverted T-shaped support plate according to an embodiment of the present invention;
图6为本发明一种实施方式的倒T型支撑板局部放大示意图。Fig. 6 is a partially enlarged schematic view of an inverted T-shaped support plate according to an embodiment of the present invention.
具体实施方式detailed description
下面结合附图和具体实施方式对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
本实施方式的车载CT设备的减振系统，如图1所示，包括：一级减振平台1、二级减振平台2和倒T型支撑板3；其中车载CT机架固定于所述二级减振平台2之上；所述二级减振平台2搭建在一级减振平台1之上；所述一级减振平台1通过四个调节螺杆104与救护车仪器舱舱底相连接；所述倒T型支撑板3搭建在所述二级减振平台2之上；所述二级减振平台2通过倒T型支撑板3实现与救护车仪器舱支撑板的固定连接；The vibration reduction system of the vehicle-mounted CT equipment of the present embodiment, as shown in Figure 1, includes: a primary vibration reduction platform 1, a secondary vibration reduction platform 2 and an inverted T-shaped support plate 3; wherein the vehicle-mounted CT frame is fixed on the Above the secondary vibration-damping platform 2; the secondary vibration-damping platform 2 is built on the primary vibration-damping platform 1; the primary vibration-damping platform 1 is connected with the bilge of the ambulance instrument cabin by four adjusting screws 104 Connect; the inverted T-shaped support plate 3 is built on the secondary vibration-damping platform 2; the secondary vibration-damping platform 2 realizes the fixed connection with the ambulance instrument cabin support plate through the inverted T-shaped support plate 3;
本实施方式的一级减振平台1，包括第一支撑座101、第二支撑座102和四个钢丝绳减振器103；所述第二支撑座102通过所述四个钢丝绳减振器103固定连接在第一支撑座101上面；所述四个钢丝绳减振器103分布安装在第一支撑座101上表面和第二支撑座102下表面所形成的两条对角线的四个对角上，如图2所示。一级减振平台1通过四个钢丝绳减振器103的弹性变形，来缓冲掉第一支撑座101和第二支撑座102之间传递的振动、冲击能量，可有效降低一级减振平台上的振动、冲击，初步减少车载CT设备中精密仪器受到的振动、冲击。The primary vibration damping platform 1 of the present embodiment includes a first support base 101, a second support base 102 and four wire rope dampers 103; the second support base 102 is fixed by the four wire rope dampers 103 Connected to the first support base 101; the four wire rope shock absorbers 103 are distributed and installed on the four diagonals of the two diagonal lines formed by the upper surface of the first support base 101 and the lower surface of the second support base 102 ,as shown in picture 2. The primary vibration damping platform 1 buffers the vibration and impact energy transmitted between the first support base 101 and the second support base 102 through the elastic deformation of the four wire rope shock absorbers 103, which can effectively reduce the vibration and impact energy on the primary vibration reduction platform. The vibration and shock of the vehicle-mounted CT equipment are initially reduced to the vibration and shock of the precision instruments.
本实施方式的一级减振平台1的四周采用四个调节螺杆104进行升降调节。四个调节螺杆104均匀地分布设置在第二支撑座102上表面，如图3所示，并贯穿第一支撑座101与第二支撑座102。四个调节螺杆104的作用是控制一级减振平台1的升降，可以实现车载CT机架运输状态和工作状态的转换。车载CT机架运输状态时，车载CT机架和二级减振平台2完全由一级减振平台1承载，四个竖直调节螺杆104旋起，处于不受力状态。车载CT机架工作状态时，四个竖直调节螺杆104旋落并与救护车仪器舱舱底刚性连接，四个竖直调节螺杆104处于受力状态，将车载CT机架、一级减振平台1和二级减振平台2整体抬起，一级减振平台1处于半负载或无负载状态，同时还可以调节各个调节螺杆的起落以保持车载CT机架处于水平状态，满足车载CT机架的工作要求。Four adjusting screw rods 104 are used around the primary vibration damping platform 1 in this embodiment for up-and-down adjustment. Four adjusting screws 104 are evenly distributed on the upper surface of the second support base 102 , as shown in FIG. 3 , and run through the first support base 101 and the second support base 102 . The function of the four adjusting screws 104 is to control the lifting of the first-stage vibration-damping platform 1, so as to realize the transition between the transport state and the working state of the vehicle-mounted CT frame. When the vehicle-mounted CT frame is transported, the vehicle-mounted CT frame and the secondary vibration reduction platform 2 are completely carried by the primary vibration reduction platform 1, and the four vertical adjustment screws 104 are screwed up, and are in an unstressed state. When the vehicle-mounted CT frame is in working state, the four vertical adjustment screws 104 are rotated down and rigidly connected with the bilge of the ambulance instrument cabin, and the four vertical adjustment screws 104 are in a stressed state, and the vehicle-mounted CT frame, the first-level vibration damping The platform 1 and the secondary vibration reduction platform 2 are lifted up as a whole, and the primary vibration reduction platform 1 is in a half-load or no-load state. At the same time, the rise and fall of each adjustment screw can be adjusted to keep the vehicle-mounted CT rack in a horizontal state, which meets the requirements of the vehicle-mounted CT machine. rack work requirements.
本实施方式的二级减振平台2，包括作为二级减振平台底部支撑的四个金属橡胶减振器202和第三支撑座201；所述四个金属橡胶减振器202分布设置在所述第三支撑座201下面及所述第二支撑座102的上面；四个金属橡胶减振器202作为二级减振平台2的底部支撑，即其底部支撑板为第二支撑座102，四个金属橡胶减振器202搭建在第二支撑座102上。第三支撑座201搭建在四个金属橡胶减振器202之上，也就是说四个金属橡胶减振器202用于承受垂直方向的力，且可通过调节四个金属橡胶减振器202的相对位置，使车载CT机架的重心位于四个金属橡胶减振器的几何中心，即四个金属橡胶减振器均处于最佳受力状态。所述二级减振平台的第三支撑座201两侧具有可固定车载CT机架的卡钩203，通过卡钩203可以自由的卸载和安装车载CT机架。另外，本实施方式的二级减振平台2上均匀地开有大小相同的四个凹槽204，如图4所示，用于固定车载CT机架的底部滚动装置。本实施方式的车载CT机架安装在二级减振平台之上，二级减振平台可以进一步有效地降低振动、冲击对车载CT机架中精密仪器的损坏，有利于进一步提高车载CT机架的稳定性，使车载CT机架在工作过程中得到的数据更加准确，精度更高。The secondary vibration damping platform 2 of this embodiment includes four metal rubber shock absorbers 202 and a third support seat 201 as the bottom support of the secondary vibration damping platform; the four metal rubber shock absorbers 202 are distributed and arranged on the Below the third support seat 201 and above the second support seat 102; four metal rubber shock absorbers 202 are used as the bottom support of the secondary damping platform 2, that is, the bottom support plate is the second support seat 102, four A metal rubber shock absorber 202 is built on the second support base 102 . The third supporting seat 201 is built on four metal rubber shock absorbers 202, that is to say, the four metal rubber shock absorbers 202 are used to bear the force in the vertical direction, and the four metal rubber shock absorbers 202 can The relative position makes the center of gravity of the vehicle-mounted CT rack be located at the geometric center of the four metal rubber shock absorbers, that is, the four metal rubber shock absorbers are all in the best force-bearing state. On both sides of the third support base 201 of the secondary vibration reduction platform, there are hooks 203 that can fix the vehicle-mounted CT frame, and the vehicle-mounted CT frame can be unloaded and installed freely through the hooks 203 . In addition, four grooves 204 of the same size are uniformly formed on the secondary vibration damping platform 2 of this embodiment, as shown in FIG. 4 , for fixing the bottom rolling device of the vehicle-mounted CT rack. The vehicle-mounted CT frame of this embodiment is installed on the secondary vibration-damping platform, and the secondary vibration-damping platform can further effectively reduce vibration and impact damage to precision instruments in the vehicle-mounted CT frame, which is conducive to further improving the vehicle-mounted CT frame. The stability makes the data obtained by the vehicle-mounted CT gantry more accurate and precise during the working process.
二级减振平台2与救护车仪器舱支撑板之间用倒T型支撑板3相固定连接，以加强刚度，本实施方式的倒T型支撑板3的后端具有两个水平方向金属橡胶减振器301，如图5所示，用于所述倒T型支撑板与救护车仪器舱支撑板之间的辅助支撑，提高横向减振效果，避免救护车在急刹车过程中的惯性力给车载CT机架带来水平方向的巨大冲击振动，同时可以防止紧急加速或刹车所造成的CT机架横向的大位移振动。且本实施方式的倒T型支撑板3结构简单，便于操作。此外，为固定车载CT机架，在倒T型支撑板前端的装置为固定车载CT机架所用的单联卡钩302，如图6所示，可以自由的卸载和安装固定车载CT机架。The secondary damping platform 2 is fixedly connected with the support plate of the instrument compartment of the ambulance with an inverted T-shaped support plate 3 to enhance rigidity. The rear end of the inverted T-shaped support plate 3 in this embodiment has two horizontal metal rubber Shock absorber 301, as shown in Figure 5, is used for the auxiliary support between the inverted T-shaped support plate and the ambulance instrument cabin support plate, improves the transverse vibration reduction effect, and avoids the inertial force of the ambulance in the process of sudden braking It brings huge shock vibration in the horizontal direction to the vehicle-mounted CT frame, and at the same time can prevent the large lateral displacement vibration of the CT frame caused by emergency acceleration or braking. Moreover, the inverted T-shaped support plate 3 of this embodiment has a simple structure and is easy to operate. In addition, in order to fix the vehicle-mounted CT frame, the device at the front end of the inverted T-shaped support plate is a single hook 302 for fixing the vehicle-mounted CT frame. As shown in FIG. 6 , the vehicle-mounted CT frame can be freely unloaded and installed.
虽然以上描述了本发明的具体实施方式，但是本领域内的熟练的技术人员应当理解，这些仅是举例说明，可以对这些实施方式做出多种变更或修改，而不背离本发明的原理和实质。本发明的保护范围仅由所附权利要求书限定。Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to these embodiments without departing from the principles and principles of the present invention. substance. The protection scope of the present invention is limited only by the appended claims.
Claims (4)
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