CN106580363A - Scanning bed - Google Patents
Scanning bed Download PDFInfo
- Publication number
- CN106580363A CN106580363A CN201710056262.3A CN201710056262A CN106580363A CN 106580363 A CN106580363 A CN 106580363A CN 201710056262 A CN201710056262 A CN 201710056262A CN 106580363 A CN106580363 A CN 106580363A
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- CN
- China
- Prior art keywords
- scanning bed
- trailer
- synchronous pulley
- connecting plate
- kind according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
Abstract
The invention relates to a scanning bed comprising a horizontal feeding device arranged at bottom and comprising a U-shaped connection plate; a left beam and a right beam are arranged on the left and right of the U-shaped connection plate, the inner side of the left beam is provided with a rectangular rail having an inward slide groove, the inner side of the right beam is provided with a linear guide rail, the horizontal feeding device also comprises a trailer arranged at the bottom of the scanning bed, the right side of the trailer is fitted to the linear guide rail through a slider while the left side is fitted to the slide groove of the rectangular rail through a roller, and the U-shaped connection plate is provided with a motor connected with the trailer through a transmission mechanism. The rigidity strength of a moving passage is enhanced, it is easy to ensure the parallelism, the scanning bed is easy to manually float, and sliding force is small; the rigidity of the rectangular rail is high, the scanning bed has small deformation during extension, the positioning precision is high, imaging quality is good, and reliability is high.
Description
Technical field
The invention belongs to diagnose；Surgery；The technical field of identification, more particularly to a kind of rigidity is good and deflection is little, positioning
High precision it is scanning bed.
Background technology
Medical image is research by means of certain medium（Such as X-ray, electromagnetic field, ultrasound wave）Interact with human body,
Inside of human body histoorgan structure, density are showed with imaging modality, is entered according to the information that image is provided for diagnostician
Row judges, so as to a kind of medical science supplementary mode evaluated human health status, including medical image system and medical science figure
As processing two aspects.Medical image mainly include X-ray Image-forming instrument, CT instruments, positron scanner (PET), nuclear magnetic resonance, NMR into
As instrument etc..
During medical imaging, scanning bed is indispensable building block, and it is the delivery for completing scan task
The instrument of examinee, with vertical motion control system and horizontal lengthwise movement control system, it can realize entering automatically on request
Go out gantry aperture, the work of the scan position for completing to be automatically positioned detection object.
In prior art, the beam of scanning bed bedstead typically adopts uiform section structure, such as angle steel, rectangular steel pipe, and adopts
It is oriented to scanning bed with two linear guides, bed board trailer coordinates the back-up roller wheel of front end to support bed board, by motor sequentially
By reductor, clutch and belt transmission, scanning bed floating controls clutch folding and realizes manually by a button switch
Control.Existing scanning bed have problems with：
1st, it is oriented to scanning bed using 2 linear guides, due to linear guides having high demands for the depth of parallelism, thus scanning
Bed is susceptible to retardance, the situation of interim card during horizontal displacement, and bed board promotes manually push-pull effort needed for operation big；
2nd, the girder construction of scanning bed both sides typically adopts uiform section structure, such as angle steel, rectangular steel pipe, and rigidity is weak at fulcrum；
Simultaneously because the support span between trailer and roller is less, cause it is scanning bed deform when stretching out it is larger, when stretching out different length
Deflection difference is also larger, directly affects scanogram quality；
3rd, scanning bed horizontal displacement using belt as drive mechanism transmit power, due to belt itself exist it is scalable, easy
Abrasion, it is aging, need the periodically defect such as tensioning, therefore scanning bed positioning precision is low, poor reliability, and needs periodic maintenance；
4th, scanning bed bed board release button switching manipulation trouble, by easily forgetting to recover later to original state, is easily caused mistake
, there is unsafe hidden danger in action etc..
The content of the invention
Present invention solves the technical problem that being, in prior art, the beam of scanning bed bedstead typically adopts uiform section structure,
And be oriented to using two linear guides, reductor, clutch and belt transmission are sequentially passed through by motor, scanning bed floating is led to
Cross a button switch control clutch folding and realize control manually, and it is caused scanning bed easy during horizontal displacement
There is retardance, the situation of interim card, bed board promotes manually push-pull effort needed for operation big, it is scanning bed to deform when stretching out larger, stretch out
Deflection difference is also larger during different length, directly affects scanogram quality, and positioning precision is low, poor reliability, needs regular
Safeguard, while being easily caused misoperation, there is a problem of hidden danger, and then there is provided a kind of the scanning bed of optimization structure.
The technical solution adopted in the present invention is, a kind of scanning bed, including scanning bed body, described scanning bed to have water
Flat feed arrangement；The horizontal feed device includes U-shaped connecting plate, and the left side and right side of the U-shaped connecting plate are respectively equipped with a left side
Beam and You Liang, the left beam inner side is provided with the rectangular rail that chute is arranged inwardly, and the right beam inner side is provided with linear guides；It is described
Horizontal feed device also includes coordinating the trailer located at scanning bed bottom, the trailer right side to coordinate with linear guides by slide block
Arrange, the trailer passes on left roller and is equipped with the chute of rectangular rail；The U-shaped connecting plate is provided with motor, institute
State motor to be connected with trailer by drive mechanism.
Preferably, the drive mechanism includes main synchronous pulley and from synchronous pulley, the main synchronous pulley and from synchronization
Belt wheel outside is arranged with Timing Belt, and the main synchronous pulley is on the output shaft of the motor；The drive mechanism also includes
Leading screw on U-shaped connecting plate, it is described to be sheathed on leading screw one end from synchronous pulley；The leading screw cooperation is provided with screw, described
Connector is provided between screw and trailer.
Preferably, the connector is L-type connecting plate.
Preferably, the scanning bed end is provided with handle, and the handle inner side is provided with press strip switch, the press strip switch
It is connected to motor.
Preferably, the top of the trailer is matrix section slot, and the matrix section slot scanning bed is equipped with described.
Preferably, the left beam is more than the thickness in the outside of left beam with the thickness of the junction of rectangular rail.
Preferably, the right beam is more than the thickness in the outside of right beam with the thickness of the junction of linear guides.
Preferably, the roller is eccentric roller.
The invention provides a kind of optimization structure is scanning bed, by scanning bed lower setting horizontal feed device, utilizing
One U-shaped connecting plate connects Zuo Liang and You Liang, the inner side of left beam arrange rectangular rail and using roller with it is scanning bed under drag
Car coordinates, and arranges linear guides in the inner side of right beam and is coordinated with the opposite side of aforementioned trailer using slide block, on U-shaped connecting plate
Motor is set, moving horizontally for transmission mechanism control trailer is directly passed through by motor；Invention enhances the rigidity of movable passageway
Intensity, the depth of parallelism is more easy to ensure that scanning bed floating manual operation is light, and push-pull effort is little, simultaneously because the rigidity of rectangular rail is strong,
The scanning bed deflection during stretching out is little, and positioning precision is high, and good imaging quality is highly reliable.
Description of the drawings
Fig. 1 is the main view figure structure schematic representation of the present invention；
Fig. 2 is A-A section figure structure schematic representations in Fig. 1 of the invention；
Fig. 3 is the side-looking figure structure schematic representation of the present invention；
Fig. 4 is B-B section figure structure schematic representations in Fig. 3 of the invention；
Fig. 5 is the partial enlargement figure structure schematic representation of C in Fig. 4 of the invention.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but protection scope of the present invention is not limited to
This.
As illustrated, the present invention relates to a kind of scanning bed, including scanning bed 1 body, described scanning bed 1 has level enters
To device；The horizontal feed device includes U-shaped connecting plate 2, and the left side and right side of the U-shaped connecting plate 2 are respectively equipped with left beam 3
With right beam 4, the inner side of the left beam 3 is provided with the rectangular rail 5 that chute is arranged inwardly, on the inside of the right beam 4 linear guides 6 is provided with；
The horizontal feed device also includes coordinating the trailer 7 located at scanning bed 1 bottom, the right side of the trailer 7 by slide block 8 with it is linear
Guide rail 6 is equipped with, and the trailer 7 passes on left roller 9 and is equipped with the chute of rectangular rail 5；The U-shaped connecting plate 2
Motor 10 is provided with, the motor 10 is connected by drive mechanism with trailer 7.
In the present invention, horizontal feed device is set at scanning bed 1 time, i.e., scanning bed 1 can be in the work of horizontal feed device
Under industry, do the advance of horizontal direction and retreat.
In the present invention, using U-shaped connecting plate 2 left beam 3 and right beam 4 are connected, be made up of left beam 3, U-shaped connecting plate 2 and right beam 4
Scanning bed 1 overall operation passage, left beam 3 inner side arrange rectangular rail 5, the chute of rectangular rail 5 inwardly, in trailer
7 respective side arranges roller 9, and rectangular rail 5 coordinates running with roller 9, linear guides 6 is arranged in the inner side of right beam 4, in trailer
7 respective side arranges slide block 8, and linear guides 6 coordinate running, complete scanning bed 1 horizontal displacement with slide block 8.
In the present invention, the auxiliary of rectangular rail 5 is oriented to, and coordinates the roller 9 on trailer 7, only limits the degree of freedom of above-below direction,
It is oriented on the basis of linear guides 6, limits the degree of freedom of upper and lower and left and right directions, linear guides 6 ensure that the straight line of fore-and-aft direction
Degree kinematic accuracy, simple structure.
In the present invention, rectangular rail 5 can adopt square steel material, it is ensured that its rigidity.
In the present invention, scanning bed 1 is placed on trailer 7, it is general using being fixedly connected, drive scanning bed 1 using trailer 7
Horizontal displacement, first ensure that the maintainability of horizontal feed device, on the other hand also ensure that scanning bed 1 clears up
Property.
In the present invention, motor 10 is set on U-shaped connecting plate 2, by motor 10 directly by transmission mechanism control trailer 7
Move horizontally, and then control scanning bed 1 and move horizontally.
Invention enhances the rigid of movable passageway, the depth of parallelism is more easy to ensure that scanning bed 1 floating manual operation is light
Just, push-pull effort is little, simultaneously because the rigidity of rectangular rail 5 is strong, scanning bed 1 during stretching out deflection it is little, positioning precision
Height, good imaging quality is highly reliable.
The drive mechanism includes main synchronous pulley 11 and from synchronous pulley 12, the main synchronous pulley 11 and from Timing Belt
The outside of wheel 12 is arranged with Timing Belt 13, and the main synchronous pulley 11 is on the output shaft of the motor 10；The drive mechanism
Also include the leading screw 14 on U-shaped connecting plate 2, it is described to be sheathed on the one end of leading screw 14 from synchronous pulley 12；The leading screw 14 is matched somebody with somebody
Conjunction is provided with screw, and connector 15 is provided between the screw and trailer 7.
The connector 15 is L-type connecting plate 15.
In the present invention, drive mechanism includes main synchronous pulley 11 and from synchronous pulley 12, meanwhile, main synchronous pulley 11 and from
The outside of synchronous pulley 12 is arranged with Timing Belt 13, i.e., rotate Timing Belt 13 by main synchronous pulley 11 by motor 10, and drive is from same
Step belt wheel 12 is rotated, and main synchronous pulley 11 is arranged on the output shaft of motor 10, when motor 10 is arranged on U-shaped connecting plate 2,
For the ease of arranging, main synchronous pulley 11 is also arranged on U-shaped connecting plate 2.
In the present invention, after starting to rotate from synchronous pulley 12, worked by the matched leading screw 14 of its drive, leading screw 14
Drive screw thereon to be moved along a straight line, screw and trailer 7 are connected by connector 15, and then drive trailer 7 to carry out directly
Line is moved, and drives scanning bed 1 to complete horizontal displacement operation by trailer 7.
In the present invention, drive disk assembly is generally metalwork, not easy to wear, aging, and scanning bed 1 positioning precision is high, image
Image quality is high, good reliability, safeguards simple.
In the present invention, connector 15 is set to L-type connecting plate 15, for connecting screw and trailer 7, it is ensured that itself and water
The CONTACT WITH FRICTION of the miscellaneous part of flat feed arrangement is as few as possible, extends the service life of scanning bed 1 entirety.
Scanning bed 1 end is provided with handle 16, and the inner side of the handle 16 is provided with press strip switch 17, the press strip switch
17 are connected to motor 10.
In the present invention, the general mounting groove being pasted and fixed on handle 16 by the two-sided gum for carrying of press strip switch 17
Place, one end of press strip switch 17 is connected by electrical wiring on motor 10, can also be first coupled on servo motor driving device, by
Servo motor driving device is connected to motor 10, by the startup and stopping of the control trailer 7 finally for motor 10.
In the present invention, press strip switch 17 can be triggered when user holds post handle 16, and handss unclamp extensive during handle 16
Multiple, triggering pressure can reach 2N.Generally, the press strip switch of model 151-BBW, 121-BP, 141-BPM can be adopted
17, or voluntarily selected according to actual demand by those skilled in the art.
The top of the trailer 7 is matrix section slot, and the matrix section slot is equipped with described scanning bed 1.
In the present invention, the top of trailer 7 is set to matrix section slot so that scanning bed 1 is easy to disassemble, and female groove structures
Rigidity is good, and engaged position is little, is easy to scanning bed 1 positioning and dismounting.
The left beam 3 is more than the thickness in the outside of left beam 3 with the thickness of the junction of rectangular rail 5.
The right beam 4 is more than the thickness in the outside of right beam 4 with the thickness of the junction of linear guides 6.
In the present invention, left beam 3 is non-uniform beam, increases to improve it with the junction regional cross section of rectangular rail 5 at it
Cross sectional moment of inertia and raising bending resistance, reduce bending deformation quantity.
In the present invention, right beam 4 is non-uniform beam, increases to improve it with the junction regional cross section of linear guides 6 at it
Cross sectional moment of inertia and raising bending resistance, reduce bending deformation quantity.
In the present invention, the variable cross-section of left beam 3 and right beam 4 can be by increasing welding in the region for needing enlarging section area
Riser height size is realized by sheet material and the technique such as section bar welding or panel beating bending welding.Those skilled in the art can be with
Voluntarily arrange according to actual demand.
The roller 9 is eccentric roller.
In the present invention, roller 9 is eccentric, is easy to the movement of planker 7.
In the present invention, the eccentric throw of roller 9 is generally located on 0.1mm to 0.3mm, generally, the eccentric throw of roller 9
Take 0.25mm.
The present invention is solved in prior art, and the beam of scanning bed 1 bedstead typically adopts uiform section structure, and using two
Linear guides are oriented to, and by motor 10 reductor, clutch and belt transmission are sequentially passed through, and scanning bed 1 floats passes through one
Control manually is realized in button switch control clutch folding, and caused scanning bed 1 is susceptible to during horizontal displacement
Retardance, the situation of interim card, bed board promotes manually push-pull effort needed for operation big, and scanning bed 1 deforms larger when stretching out, and stretches out difference
Deflection difference is also larger during length, directly affects scanogram quality, and positioning precision is low, poor reliability, needs periodic maintenance,
Simultaneously misoperation is easily caused, there is a problem of hidden danger, by arranging horizontal feed device at scanning bed 1 time, utilize one
Individual U-shaped connecting plate 2 connects left beam 3 and right beam 4, left beam 3 inner side arrange rectangular rail 5 and utilize roller 9 with scanning bed 1 under
Trailer 7 coordinate, linear guides 6 are set and using the opposite side cooperation of slide block 8 and aforementioned trailer 7 in the inner side of right beam 4, in U
Motor 10 is set on type connecting plate 2, moving horizontally for transmission mechanism control trailer 7 is directly passed through by motor 10；The present invention strengthens
The rigid of movable passageway, the depth of parallelism is more easy to ensure that scanning bed 1 floating manual operation is light, and push-pull effort is little, simultaneously because
The rigidity of rectangular rail 5 is strong, scanning bed 1 during stretching out deflection it is little, positioning precision is high, good imaging quality, reliability
By force.
Claims (8)
1. a kind of scanning bed, including scanning bed body, it is characterised in that：It is described scanning bed to have horizontal feed device；It is described
Horizontal feed device includes U-shaped connecting plate, and the left side and right side of the U-shaped connecting plate are respectively equipped with Zuo Liang and You Liang, the left side
Beam inner side is provided with the rectangular rail that chute is arranged inwardly, and the right beam inner side is provided with linear guides；The horizontal feed device is also
Including the trailer coordinated located at scanning bed bottom, the trailer right side is equipped with by slide block with linear guides, the trailer
Pass on left roller to be equipped with the chute of rectangular rail；The U-shaped connecting plate is provided with motor, and the motor is by transmission
Mechanism is connected with trailer.
2. one kind according to claim 1 is scanning bed, it is characterised in that：The drive mechanism include main synchronous pulley and from
Synchronous pulley, the main synchronous pulley and is arranged with Timing Belt from synchronous pulley outside, and the main synchronous pulley is located at the electricity
On the output shaft of machine；The drive mechanism also includes the leading screw on U-shaped connecting plate, described to be sheathed on leading screw from synchronous pulley
One end；The leading screw cooperation is provided with screw, and between the screw and trailer connector is provided with.
3. one kind according to claim 2 is scanning bed, it is characterised in that：The connector is L-type connecting plate.
4. one kind according to claim 1 is scanning bed, it is characterised in that：The scanning bed end is provided with handle, described
Handle inner side is provided with press strip switch, and the press strip switch is connected to motor.
5. one kind according to claim 1 is scanning bed, it is characterised in that：The top of the trailer be matrix section slot, institute
State matrix section slot scanning bed to be equipped with described.
6. one kind according to claim 1 is scanning bed, it is characterised in that：The thickness of the junction of the left beam and rectangular rail
Thickness of the degree more than the outside of left beam.
7. one kind according to claim 1 is scanning bed, it is characterised in that：The thickness of the junction of the right beam and linear guides
Thickness of the degree more than the outside of right beam.
8. one kind according to claim 1 is scanning bed, it is characterised in that：The roller is eccentric roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056262.3A CN106580363A (en) | 2017-01-25 | 2017-01-25 | Scanning bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056262.3A CN106580363A (en) | 2017-01-25 | 2017-01-25 | Scanning bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106580363A true CN106580363A (en) | 2017-04-26 |
Family
ID=58586382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710056262.3A Pending CN106580363A (en) | 2017-01-25 | 2017-01-25 | Scanning bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106580363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171794A (en) * | 2018-08-24 | 2019-01-11 | 上海联影医疗科技有限公司 | A kind of compensation the scanning bed of bed board VERTICAL DEFORMATION, scan method and computer-readable medium |
| CN113180714A (en) * | 2020-11-24 | 2021-07-30 | 沈阳工业大学 | Multi-mode imaging equipment host |
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|---|---|---|---|---|
| CN101273900A (en) * | 2007-03-29 | 2008-10-01 | 上海西门子医疗器械有限公司 | Computer tomoscanning sick bed |
| CN201889586U (en) * | 2010-12-03 | 2011-07-06 | 天水锻压机床有限公司 | Crossbeam longitudinal driving and composite guide rail device of laser cutter |
| CN202279125U (en) * | 2011-09-15 | 2012-06-20 | 南车二七车辆有限公司 | H steel for heavy haul railway flat car |
| CN202960546U (en) * | 2012-07-30 | 2013-06-05 | 上海西门子医疗器械有限公司 | Horizontal bracing device for examination couch and examination couch |
| CN203380294U (en) * | 2013-07-25 | 2014-01-08 | 济南兴田阳光数控机械有限公司 | Material feed-in passage |
| CN203524673U (en) * | 2013-09-02 | 2014-04-09 | 周福宏 | Electric control horizontal feeding device for scanning bed |
| CN203763105U (en) * | 2014-01-22 | 2014-08-13 | 陆春生 | Simple bed structure for CBCT examination |
| CN204655393U (en) * | 2015-05-04 | 2015-09-23 | 侯纪莲 | The go-cart of DBPs precursors power-assisted |
| CN207055502U (en) * | 2017-01-25 | 2018-03-02 | 明峰医疗系统股份有限公司 | It is a kind of scanning bed |
-
2017
- 2017-01-25 CN CN201710056262.3A patent/CN106580363A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101273900A (en) * | 2007-03-29 | 2008-10-01 | 上海西门子医疗器械有限公司 | Computer tomoscanning sick bed |
| CN201889586U (en) * | 2010-12-03 | 2011-07-06 | 天水锻压机床有限公司 | Crossbeam longitudinal driving and composite guide rail device of laser cutter |
| CN202279125U (en) * | 2011-09-15 | 2012-06-20 | 南车二七车辆有限公司 | H steel for heavy haul railway flat car |
| CN202960546U (en) * | 2012-07-30 | 2013-06-05 | 上海西门子医疗器械有限公司 | Horizontal bracing device for examination couch and examination couch |
| CN203380294U (en) * | 2013-07-25 | 2014-01-08 | 济南兴田阳光数控机械有限公司 | Material feed-in passage |
| CN203524673U (en) * | 2013-09-02 | 2014-04-09 | 周福宏 | Electric control horizontal feeding device for scanning bed |
| CN203763105U (en) * | 2014-01-22 | 2014-08-13 | 陆春生 | Simple bed structure for CBCT examination |
| CN204655393U (en) * | 2015-05-04 | 2015-09-23 | 侯纪莲 | The go-cart of DBPs precursors power-assisted |
| CN207055502U (en) * | 2017-01-25 | 2018-03-02 | 明峰医疗系统股份有限公司 | It is a kind of scanning bed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171794A (en) * | 2018-08-24 | 2019-01-11 | 上海联影医疗科技有限公司 | A kind of compensation the scanning bed of bed board VERTICAL DEFORMATION, scan method and computer-readable medium |
| CN113180714A (en) * | 2020-11-24 | 2021-07-30 | 沈阳工业大学 | Multi-mode imaging equipment host |
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Effective date of registration: 20191127 Address after: 450000 first floor, building 2, No. 399, West Fourth Ring Road, Zhengzhou high tech Industrial Development Zone, Henan Province Applicant after: Henan Mingfeng Medical Technology Co., Ltd. Address before: 312099 Zhejiang province Shaoxing City Jishan Dongshan Road No. 6 Building 2-3 Applicant before: FMI Technologies Inc. |