CN101732065B - Lifting structure of scanning bed - Google Patents
Lifting structure of scanning bed Download PDFInfo
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- CN101732065B CN101732065B CN2008102285043A CN200810228504A CN101732065B CN 101732065 B CN101732065 B CN 101732065B CN 2008102285043 A CN2008102285043 A CN 2008102285043A CN 200810228504 A CN200810228504 A CN 200810228504A CN 101732065 B CN101732065 B CN 101732065B
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- 238000000034 method Methods 0.000 abstract description 5
- 230000003028 elevating effect Effects 0.000 description 5
- 230000002301 combined effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The invention relates to a height adjusting device of medical diagnostic equipment, in particular to a lifting structure of a scanning bed. The lifting structure of a scanning bed comprises a bed board component, a base and a plane link mechanism hinged between the bed board component and the base, wherein a driving device installed on the base is arranged between the bed board component and the base, the other end of the driving device is connected with an adjusting device which adjusts the acting force arm thereof, and the driving device is connected with the plane link mechanism via the adjusting device. The invention jointly acts by a first linkage, a second linkage and the driving device to change the space between a seventh spindle and a second spindle so as to dynamically adjust the force arm size of the acting force of the driving device to ensure that the force arm is suitable for loading moment changing needs when the bed plate part is at different heights; in the process of lifting movement, acting force needing to be provided by the driving device has smaller fluctuation and stable movement by adjusting the acting force arm of the driving device.
Description
Technical field
The present invention relates to the arrangement for adjusting height of medical diagnostic equipment, specifically a kind of scanning bed lifting structure.
Background technology
In diagnostic devices such as CT, MRI, PET, need one can lifting platform bearer person under inspection (patient), this platform is commonly referred to as " scanning bed " or " diagnostic bed ".Because different patients' situation is also different,, can often regulate scanning bed height for the needs of diagnosing, elevating mechanism then is used to realize scanning bed height change, satisfying different patients up and down and the requirement of scanning, and in the altitude mixture control process, scanning bed motion is steady.In existing scanning bed product, the shears bed that adopts the X-shaped structure is arranged, also have and adopt the scanning bed of single parallelogram fork.The shears bed of X-shaped structure, its structure are to be provided with the cross-like connecting rod that is X-shaped between bed board both sides and base respectively, connect by hinge between the X-shaped connecting rod of both sides, and by the height of the direct drive link lifting of driving device with the adjusting bed board.And single parallelogram fork is scanning bed, its structure is to be provided with a parallelogram swing-bar mechanism between a side of bed board and base, the two ends of two forks are hinged with bed board and base respectively, directly drive fork by driving device, realize scanning bed elevating movement.The lifting structure of above-mentioned these two kinds of beds, driving device is to directly act on connecting rod or fork, when bed is in the lower height of bed, loading moment is bigger, the arm of force of driving moment is short, often needs additional power-assisted means such as powerful driving device or employing spring, could realize scanning bed altitude mixture control, and then make that the motion of power-assisted Duan Yufei power-assisted section is discontinuous, not steady, also have bigger energy loss.
In addition, existing lifting structure, its driving device volume is very big, has taken unnecessary space, makes scanning bed volume also strengthen thereupon, uses to be restricted.
Summary of the invention
The loading moment that exists in the prior art is big in order to solve, the short problem of the arm of force of driving moment when the height of bed is low, the object of the present invention is to provide a kind of other power-assisteds that need not, and can adapt to the scanning bed lifting structure that different height of bed loading moments change.
The objective of the invention is to be achieved through the following technical solutions:
The present invention includes bed board parts, base and be articulated between the two planar linkage mechanism, between bed board parts and base, be provided with the driving device that is installed on the base, the other end of driving device is connected with the adjusting device of adjusting its acting force arm, and driving device is connected with planar linkage mechanism by adjusting device.
Wherein: described adjusting device comprises first connecting rod and second connecting rod, and an end of first connecting rod is articulated in the bearing on the base, and an end of the other end and second connecting rod is articulated in the 7th rotating shaft, and the other end of second connecting rod is articulated in the bearing on the planar linkage mechanism; The 7th rotating shaft is installed in the other end of driving device; Base is provided with first bearing, and an end of first connecting rod is hinged by the 3rd rotating shaft and first bearing, and the other end and the 7th rotating shaft are hinged, and first connecting rod can be around the 3rd shaft swing; Planar linkage mechanism is provided with the 3rd bearing, and an end of second connecting rod is hinged by the 6th rotating shaft and the 3rd bearing, and the other end and the 7th rotating shaft are hinged, and second connecting rod can be around the 6th shaft swing; Second bearing is installed on the base, and an end of driving device is hinged by the 4th rotating shaft and second bearing, and the other end is provided with the 7th rotating shaft, and driving device can be around the 4th shaft swing; Driving device can be linear-motion actuator or oil cylinder; Described planar linkage mechanism is the double rocker mechanism of parallelogram, comprises first fork and second fork, and an end of first fork is articulated in base by first rotating shaft, and the other end is articulated in the bed board parts by the 8th rotating shaft; One end of second fork is articulated in base by second rotating shaft, and the other end is articulated in the bed board parts by the 5th rotating shaft; Planar linkage mechanism can be arranged at the one or both sides between bed board parts and the base; The distance that the hinged rotating shaft of main fork and base acts on application point on the adjusting device in the planar linkage mechanism apart from driving device is for what change, and the size of driving device acting force arm is adjusted by the distance of this variation.
Advantage of the present invention and good effect are:
1. the present invention is by the combined effect of first and second connecting rod and driving device, the distance of the 7th rotating shaft and second rotating shaft is changed, thereby adjust the arm of force size of driving device active force dynamically, adapt to the variation demand of bed board parts at the differing heights loading moment.
2. the present invention is in the elevating movement process, and by adjusting the acting force arm of driving device, the required active force fluctuation that provides of driving device is less, and motion steadily.
3. select the push rod of 300 strokes in the embodiment of the invention for use, substitute the function that traditional parallelogram sturcutre needs 500 stroke push rods and additional servomechanism just can finish, driving power is original 1/3rd.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein: 1 is first fork, and 2 is first rotating shaft, and 3 is first connecting rod, 4 is second rotating shaft, and 5 is second fork, and 6 is first bearing, 7 is the 3rd rotating shaft, and 8 is driving device, and 9 is base, 10 is the 4th rotating shaft, and 11 is second bearing, and 12 is the bed board parts, 13 is the 5th rotating shaft, and 14 is the 3rd bearing, and 15 is the 6th rotating shaft, 16 is second connecting rod, and 17 is the 7th rotating shaft, and 18 is the 8th rotating shaft.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention includes bed board parts 12, base 9 and be articulated between the two planar linkage mechanism.Planar linkage mechanism is the double rocker mechanism of parallelogram, comprises that an end of first fork 1 and second fork, 5, the first forks 1 is articulated in base 9 by first rotating shaft 2, and the other end is articulated in bed board parts 12 by the 8th rotating shaft 18; One end of second fork 5 is articulated in base 9 by second rotating shaft 4, and the other end is articulated in bed board parts 12 by the 5th rotating shaft 13.According to the situation of load, planar linkage mechanism can be arranged at the one or both sides between bed board parts 12 and the base 9, makes more balance of thrust.Between bed board parts 12 and base 9, be provided with driving device 8, second bearing 11 is installed on the base 9, one end of driving device 8 is hinged by the 4th rotating shaft 10 and second bearing 11, and the other end is connected with the adjusting device of adjusting its acting force arm, and driving device 8 can be around the 4th rotating shaft 10 swings.Adjusting device comprises first connecting rod 3 and second connecting rod 16, and base 9 is provided with first bearing 6, and an end of first connecting rod 3 is articulated in first bearing 6 on the base 9 by the 3rd rotating shaft 7, and an end of the other end and second connecting rod 16 is articulated in the 7th rotating shaft 17; Second fork 5 in the planar linkage mechanism is provided with the 3rd bearing 14, and the other end of second connecting rod 16 is hinged by the 6th rotating shaft 15 and the 3rd bearing 14, and an end and the 7th rotating shaft 17 are hinged; The 7th rotating shaft 17 is installed in the other end of driving device.First connecting rod 3 can be around the 3rd rotating shaft 7 swings, and second connecting rod 16 can be around the 6th rotating shaft 15 swings.The length of first and second connecting rod 3,16 is determined according to the needs of bed body range.Driving device 8 can be linear-motion actuator or hydraulic cylinder, and present embodiment is a linear-motion actuator.
Operation principle of the present invention is:
When bed board parts 12 need be descended by the extreme higher position, driving device 8 shortens, drive first connecting rod 3 around the 3rd rotating shaft 7 swings by the 7th rotating shaft 17, drive second connecting rod 16 simultaneously, and then drive 5 swings of second fork, by finishing elevating movement with first fork, the 1 common parallelogram double rocking lever structure that forms.Be specially: when bed board parts 12 were in the extreme higher position, because the angle maximum between fork and the base, load was for acting force arm (distance of the 5th rotating shaft 13 between the projection on the base 9 and the second rotating shaft 4) minimum of fork, and loading moment is also minimum; At this moment, the acting force arm minimum of 8 pairs the 3rd rotating shafts 7 of driving device.In the process that bed board parts 12 descend, first connecting rod 3 is around the 3rd rotating shaft 7 swings, second connecting rod 16 is around the 6th rotating shaft 15 swings, drive first and second fork 1,5 respectively around first and second rotating shaft 2,4 swings, angle between fork and the base diminishes gradually, load becomes greatly gradually for the acting force arm of fork, and it is big that loading moment also becomes gradually; During the course, because the swing of first connecting rod 3 and second connecting rod 16 strengthens the 7th rotating shaft 17 of driving device and the distance of second rotating shaft 4, thereby the acting force arm of driving device 8 is become greatly gradually, driving moment also increases thereupon.When bed body component 12 is in extreme lower position, the angle minimum between fork and the base, load is for the acting force arm maximum of fork, and loading moment is also maximum; At this moment, the acting force arm maximum of driving device 8, driving moment also becomes maximum.
In the elevating movement process, load changes for the acting force arm of fork, loading moment also changes, the 9 hinged rotating shafts of main fork and base act on application point on the adjusting device in the planar linkage mechanism apart from driving device 8 distance is for changing, the size of driving device 8 acting force arm is adjusted by the distance of this variation, second fork 5 that is specially the conduct master fork in the planar linkage mechanism is articulated in second rotating shaft 4 with base 9, the application point that driving device 8 acts on the adjusting device is the 7th rotating shaft 17, by first, two connecting rods 3,16 combined effect, the distance of the 7th rotating shaft 17 and second rotating shaft 4 is changed, thereby adjust the arm of force size of driving device active force dynamically, by so dynamic adjustment, make the required active force fluctuation that provides of driving device less.
When even the present invention is positioned at extreme lower position at the bed board parts, do not need additional power assisting device yet, the active force sudden change when having avoided power assisting device to introduce and withdraw from, motion is steadily; Can realize that small-power, short stroke drive the motion that realizes big stroke.
The present invention also can be applicable to the height that other field is regulated work platforms or bed body.
Claims (7)
1. scanning bed lifting structure, comprise bed board parts, base and be articulated between the two planar linkage mechanism, it is characterized in that: between bed board parts (12) and base (9), be provided with the driving device (8) that is installed on the base (9), the other end of driving device (8) is connected with the adjusting device of adjusting its acting force arm, and driving device (8) is connected with planar linkage mechanism by adjusting device;
Described adjusting device comprises first connecting rod (3) and second connecting rod (16), one end of first connecting rod (3) is articulated in the bearing on the base (9), one end of the other end and second connecting rod (16) is articulated in the 7th rotating shaft (17), and the other end of second connecting rod (16) is articulated in the bearing on the planar linkage mechanism; The 7th rotating shaft (17) is installed in the other end of driving device (8);
Described planar linkage mechanism is the double rocker mechanism of parallelogram, comprise first fork (1) and second fork (5), one end of first fork (1) is articulated in base (9) by first rotating shaft (2), and the other end is articulated in bed board parts (12) by the 8th rotating shaft (18); One end of second fork (5) is articulated in base (9) by second rotating shaft (4), and the other end is articulated in bed board parts (12) by the 5th rotating shaft (13).
2. by the described scanning bed lifting structure of claim 1, it is characterized in that: base (9) is provided with first bearing (6), one end of first connecting rod (3) is hinged by the 3rd rotating shaft (7) and first bearing (6), the other end and the 7th rotating shaft (17) are hinged, and first connecting rod (3) can be swung around the 3rd rotating shaft (7).
3. by the described scanning bed lifting structure of claim 1, it is characterized in that: planar linkage mechanism is provided with the 3rd bearing (14), the other end of second connecting rod (16) is hinged by the 6th rotating shaft (15) and the 3rd bearing (14), one end and the 7th rotating shaft (17) are hinged, and second connecting rod (16) can be swung around the 6th rotating shaft (15).
4. by the described scanning bed lifting structure of claim 1, it is characterized in that: second bearing (11) is installed on the described base (9), one end of driving device (8) is hinged by the 4th rotating shaft (10) and second bearing (11), the other end is provided with the 7th rotating shaft (17), and driving device (8) can be swung around the 4th rotating shaft (10).
5. by claim 1 or 4 described scanning bed lifting structures, it is characterized in that: described driving device (8) is linear-motion actuator or oil cylinder.
6. by the described scanning bed lifting structure of claim 1, it is characterized in that: described planar linkage mechanism is arranged at the one or both sides between bed board parts (12) and the base (9).
7. by the described scanning bed lifting structure of claim 1, it is characterized in that: the distance that the hinged rotating shaft of main fork and base (9) acts on application point on the adjusting device in the described planar linkage mechanism apart from driving device (8) is for what change, and the size of driving device (8) acting force arm is adjusted by the distance of this variation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102285043A CN101732065B (en) | 2008-11-04 | 2008-11-04 | Lifting structure of scanning bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102285043A CN101732065B (en) | 2008-11-04 | 2008-11-04 | Lifting structure of scanning bed |
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| Publication Number | Publication Date |
|---|---|
| CN101732065A CN101732065A (en) | 2010-06-16 |
| CN101732065B true CN101732065B (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102285043A Expired - Fee Related CN101732065B (en) | 2008-11-04 | 2008-11-04 | Lifting structure of scanning bed |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512196A (en) * | 2011-11-28 | 2012-06-27 | 苏州生物医学工程技术研究所 | Scanning bed |
| CN102613984B (en) * | 2012-03-31 | 2013-09-18 | 山东新华医疗器械股份有限公司 | Double electric push rod type X-ray digital gastrointestinal machine |
| DE102014205757A1 (en) * | 2014-03-27 | 2015-10-01 | Siemens Aktiengesellschaft | Patient table |
| CN105310844B (en) * | 2014-05-26 | 2019-12-24 | 美固龙金属制品（中国）有限公司 | Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function |
| CN105501791A (en) * | 2015-12-02 | 2016-04-20 | 王学科 | Cam type super computer mounting platform |
| WO2018006295A1 (en) * | 2016-07-06 | 2018-01-11 | 王楚 | Treatment bed tilting mechanism |
| CN106236120A (en) * | 2016-07-21 | 2016-12-21 | 方彐云 | A kind of medical image CT machine using wireless telecommunications |
| CN106309056A (en) * | 2016-08-19 | 2017-01-11 | 东莞北京航空航天大学研究院 | Swimming pool and bathing pool self-helping hoisting chair for helping old people and disabled people |
| CN106890054A (en) * | 2017-04-18 | 2017-06-27 | 上海理工大学 | A kind of rehabilitation training care bed |
| CN107518992A (en) * | 2017-09-18 | 2017-12-29 | 浙江佑仁智能机器人有限公司 | A kind of care bed for being used for front and rear transhipment patient |
| CN109223018A (en) * | 2018-09-18 | 2019-01-18 | 包头市中心医院（内蒙古自治区脑血管病研究所） | A kind of artificial intelligence heart CT automated diagnostic system |
| CN110037726B (en) * | 2019-03-26 | 2023-05-16 | 沈阳智核医疗科技有限公司 | Scanning bed and scanning position switching device thereof |
| CN110037883A (en) * | 2019-05-07 | 2019-07-23 | 上海东软医疗科技有限公司 | It is scanning bed and with the scanning bed medical imaging equipment |
| CN110448326B (en) * | 2019-08-16 | 2020-07-31 | 明峰医疗系统股份有限公司 | Vertical lifting control method for scanning bed |
| CN110496842B (en) * | 2019-08-21 | 2022-02-11 | 深圳市普拉托科技有限公司 | System for cleaning tray |
| CN110507347B (en) * | 2019-08-28 | 2023-05-02 | 东软医疗系统股份有限公司 | Vehicle-mounted medical diagnosis equipment |
| CN113198631A (en) * | 2020-01-15 | 2021-08-03 | 上海阔龙清洗机械有限公司 | Automatic waxing system for automobile tires |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209119U (en) * | 1987-06-11 | 1988-03-02 | 中国人民解放军第208医院 | Multi-functional x-ray photographic carriage |
| CN2680201Y (en) * | 2004-03-12 | 2005-02-23 | 贾俐聪 | Portable multifunctional X-ray bed |
-
2008
- 2008-11-04 CN CN2008102285043A patent/CN101732065B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209119U (en) * | 1987-06-11 | 1988-03-02 | 中国人民解放军第208医院 | Multi-functional x-ray photographic carriage |
| CN2680201Y (en) * | 2004-03-12 | 2005-02-23 | 贾俐聪 | Portable multifunctional X-ray bed |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-128966A 2001.05.15 |
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| CN101732065A (en) | 2010-06-16 |
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Owner name: DONGRUAN MEDICAL SYSTEMS CO., LTD., SHENYANG Free format text: FORMER OWNER: DONGRUAN PHILIPS MEDICAL EQUIPMENT AND SYSTEM CO., LTD. Effective date: 20140213 Owner name: PHILIPS (CHINA) INVESTMENT CO., LTD. Effective date: 20140213 |
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Effective date of registration: 20140213 Address after: 110179 Liaoning Shenyang Hunnan New Century Road No. 16 Patentee after: SHENYANG NEUSOFT MEDICAL SYSTEMS Co.,Ltd. Patentee after: Philips (China) Investment Co.,Ltd. Address before: Shenyang Hunnan Industrial Zone East Software Park 110179 Liaoning city of Shenyang Province Patentee before: Philips and Neusoft Medical System Co.,Ltd. |
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Address after: 110179 No. 177-1 Innovation Road, Hunnan District, Shenyang City, Liaoning Province Co-patentee after: Philips (China) Investment Co.,Ltd. Patentee after: Shenyang Neusoft Medical Systems Co.,Ltd. Address before: 110179 No. 16 Century Road, Hunnan New District, Shenyang City, Liaoning Province Co-patentee before: Philips (China) Investment Co.,Ltd. Patentee before: SHENYANG NEUSOFT MEDICAL SYSTEMS Co.,Ltd. |
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Granted publication date: 20111109 Termination date: 20211104 |
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