CN101347340A - Position limiter of suspending rack type digital radiation photograph system hanging barrel stroke - Google Patents
Position limiter of suspending rack type digital radiation photograph system hanging barrel stroke Download PDFInfo
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- CN101347340A CN101347340A CNA2008101422541A CN200810142254A CN101347340A CN 101347340 A CN101347340 A CN 101347340A CN A2008101422541 A CNA2008101422541 A CN A2008101422541A CN 200810142254 A CN200810142254 A CN 200810142254A CN 101347340 A CN101347340 A CN 101347340A
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- screw mandrel
- limit switch
- screw rod
- type digital
- catch
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Abstract
The invention discloses a suspension drum travel stop device of a suspension digital radiography system. The stop device comprises a motor rotating shaft, a screw rod, a guiding rod, a screw rod sleeve, a barrier strip, a first limit switch, a second limit switch and a fitting seat. One end of the screw rod is fixedly connected with the head end of the motor rotating shaft and the other end of the screw rod is connected with the fitting seat. The screw rod sleeve is sleeved and connected with the screw rod. The corresponding screw thread on the inner side of the screw rod sleeve is matched with the screw thread of the screw rod. The barrier strip is fixedly connected with the screw rod sleeve in a direction perpendicular to the screw rod. The guiding rod is parallel to the screw rod and fixed on the fitting seat. A dent or a through hole is arranged on the barrier strip. The guiding rod is stuck in the dent or passes through the through hole. The first and the second limit switches are fixed on the fitting seat. When the barrier strip has parallel motion with the screw rod sleeve and touches the first limit switch, the circuit of the first limit switch is interrupted. When the barrier strip has the parallel motion with the screw rod sleeve in the opposite direction and touches the second limit switch, the circuit of the second limit switch is interrupted.
Description
Technical field
The present invention relates to the armarium technical field, be specifically related to a kind of suspending rack type digital radiation photograph system hanging barrel stroke stopping means.
Background technology
Digital irradiation photography system structurally has various ways, and common have U-shaped arm configuration and a suspension structure, is called arm-type digital irradiation photography system of U-shaped and suspending rack type digital radiation photograph system.As depicted in figs. 1 and 2, the suspending rack type digital radiation photograph system of prior art comprises installation crossbeam 1, photography bed 2, ccd detector 3, column 4, moving guide rail 5, suspension bracket 6, bulb and light concentrator assembly 7, fixed guide 8, hanger beam 9.Moving guide rail 5 wherein, suspension bracket 6, fixed guide 8 and hanger beam 9 constitute the digital radial photography system bulb suspension bracket.The installation of suspension architecture digital radiation filming system is fixed guide 8 to be fixed on install on the crossbeam 1, moving guide rail 5 is installed together by hanger beam mounted thereto 9 and fixed guide 8, it can move along fixed guide 8, suspension bracket 6 is installed on the moving guide rail 5, can be along moving guide rail 5 moving linearlies, bulb and light concentrator assembly 7 are installed in the lower end of suspension bracket 6, and this assembly can rotate around vertical axes and trunnion axis both direction, and can carry out elevating movement with the retracting cylinder of suspension bracket 6.Column 4 is fixed on the floor of machine room, and ccd detector 3 is installed on it, and ccd detector 3 can center on horizontal rotational shaft, also can move up and down along column 4.Photography bed 2 be can arbitrarily move also lockable.
As shown in Figure 3, wherein suspension bracket 6 comprises three parts: suspension bracket main body 10, telescopic hoist tube 11 and head 12, its relation of installing is: the upper end of telescopic hoist tube 11 and suspension bracket main body 10 install and fix together, and each telescopic joint of telescopic hoist tube 11 and head 12 link together with steel wire rope can realize interlock; Head 12 is installed in the bottom of telescopic hoist tube 11, and can do circumference along vertical axes and rotate, and bulb and light concentrator assembly 7 are installed on the head 12, and this assembly can be around the horizontal axis rotation.
During suspending rack type digital radiation photograph system work, patient lies on the photography bed 2, adjust the relative position between ccd detector 3 and bulb and the light concentrator assembly 7, patient is on bulb focus and the ccd detector central vertical line, perhaps patient stands between photography bed and bulb and the light concentrator assembly 7, adjust the relative position of ccd detector 3 and bulb and light concentrator assembly 7, making patient be on bulb focus and the ccd detector 3 central vertical lines is the Chest X-rays position, the x-ray that penetrates from bulb passes patient's lesions position and beats on the dash receiver of ccd detector 3 after light concentrator is regulated the light open country like this, after treatment, go up the image that generates lesions position at work station (computer), thereby the doctor can provide a diagnostic result.Wherein, adjusting between ccd detector and bulb and the light concentrator assembly 7 in the position, adjust the bulb that is installed on the head 12 and the upper-lower position of light concentrator assembly 7, with and center on the circumferential position of trunnion axis and vertical axes.The upper-lower position of bulb and light concentrator assembly 7 is realized by stretching of telescopic hoist tube 11, and the flexible up and down of telescopic hoist tube 11 is to realize that by the actuating unit that is installed on the hanger beam 9 this actuating unit as shown in Figure 4.After regulating static organ 13, motor 16 drives rotating assembly 14 by drive mechanism 15 and rotates, the rotation of rotating assembly 14 drives the elongation and the shortening of steel wire rope mounted thereto again, thereby drives the flexible of telescopic hoist tube 11, realizes the rising and the decline of bulb and light concentrator assembly 7.
And when telescopic hoist tube 11 stretches, because the gap between each joint is very little, is again to move simultaneously, is difficult in telescopic hoist tube 11 two ends and adds mechanical position limitation mechanism, so prior art is not simply just carried out mechanical position limitation herein, and just by the program software limit.But software limit has following shortcoming: 1, require program accurate, and running environment is stable, anti-electromagnetic interference capability requires very high.2, damage or do not connect as if the encoder of being responsible for Information Monitoring and feeding back, software limit has just lost effect, and that the motor damage just may occur, wire cable rupture, and the situation that causes jeopardizing patient's life occurs.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of suspending rack type digital radiation photograph system hanging barrel stroke stopping means, overcome the prior art suspending rack type digital radiation photograph system hanging barrel stroke is adopted software limit merely, in case running environment is required the defective of high and the inoperative entail dangers to patient of software limit life.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of suspending rack type digital radiation photograph system hanging barrel stroke stopping means, comprise machine shaft, also comprise screw mandrel, guide post, the screw mandrel cover, catch, first limit switch, second limit switch and mount pad, one end of described screw mandrel is fixedlyed connected with the head end of described machine shaft, its other end rides on the described mount pad, described screw mandrel cover is socketed on the described screw mandrel, there is the threaded engagement of respective threads and described screw mandrel its inboard, described catch is along fixedlying connected with described screw mandrel cover with the vertical direction of described screw mandrel, described guide post is parallel with described screw mandrel, and be fixed on the described mount pad, described catch is provided with recess or through hole, described guide post is stuck in described recess or passes described through hole, first limit switch and second limit switch are fixed on the described mount pad, when after described catch is with the translation of described screw mandrel cover, contacting first limit switch, first limit switch opens circuit, when contacting second limit switch after described catch is with the translation in the other direction of described screw mandrel cover, second limit switch opens circuit.
The further optimization of described suspending rack type digital radiation photograph system hanging barrel stroke stopping means is: also comprise fairlead, described fairlead is socketed on the described guide post, and blocks described catch.
The further optimization of described suspending rack type digital radiation photograph system hanging barrel stroke stopping means is: described screw mandrel adopts the form along its axial hollow, and fixedly sleeved on the prolongation axle of described machine shaft.
The further optimization of described suspending rack type digital radiation photograph system hanging barrel stroke stopping means is: described screw mandrel is fixedlyed connected by screw with the prolongation axle of described machine shaft.
Beneficial effect of the present invention is: the present invention is by mechanical stop limiter cleverly, stopped to break down or steel wire rope when taking place to rupture when motor, and the personal injury incident that may cause has increased the safety of suspending rack type digital radiation photograph system greatly.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 is a prior art suspending rack type digital radiation photograph system front view;
Fig. 2 is a prior art suspending rack type digital radiation photograph system vertical view;
Fig. 3 is a prior art suspending rack type digital radiation photograph system hanging frame sketch map;
Fig. 4 hangs the flexible actuating unit sketch map of tube for prior art;
Fig. 5 is a hanging barrel stroke stopping means sketch map of the present invention;
Fig. 6 is the prolongation axle annexation sketch map of screw mandrel of the present invention and machine shaft;
Fig. 7 is catch of the present invention and screw mandrel cover sketch map.
The specific embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
As shown in Figure 5, suspending rack type digital radiation photograph system hanging barrel stroke stopping means of the present invention, comprise machine shaft 21, also comprise screw mandrel 22, guide post 23, screw mandrel cover 29, catch 24, first limit switch 25, second limit switch and mount pad 26, one end of screw mandrel 22 is fixedlyed connected with the head end of machine shaft 21, its other end rides on the mount pad 26, screw mandrel cover 29 is socketed on the screw mandrel 22, there is the threaded engagement of respective threads and screw mandrel 22 its inboard, catch 24 is fixedlyed connected along overlapping 29 with screw mandrel 22 vertical directions with screw mandrel, guide post 23 is parallel with screw mandrel 22, and be fixed on the mount pad 26, catch 24 is provided with recess 30 or through hole, and guide post 23 is stuck in recess 30 or passes described through hole, and first limit switch 25 and second limit switch are fixed on the mount pad 26, when after catch 24 overlaps 29 translations with screw mandrel, contacting first limit switch 25, first limit switch 25 opens circuit, and when contacting second limit switch after catch 24 is with 29 translations in the other direction of screw mandrel cover, second limit switch opens circuit.The technical scheme of optimizing is also to comprise fairlead 27, and fairlead 27 is socketed on the guide post 23, and blocks catch 24.
As shown in Figure 6, the technical scheme of optimization is the form that screw mandrel 22 adopts along its axial hollow, and fixedly sleeved on the prolongation axle of machine shaft 21.At the two ends of screw mandrel 22 with 4 holding screws 31 with the prolongation axle of screw mandrel 22 with machine shaft 21.
As Fig. 5 and shown in Figure 7, after guide post 23 passes fairlead 27,, be stuck in recess 30 places of baffle plate with fairlead 27, then the not threaded end of guide post 23 is inserted on the right supporting seat 28 of steel wire rope, after passing mount pad 26, a threaded end uses nut check.First limit switch 25 and second spacing the opening are installed in the relevant position of mount pad 26 at last.
The work process of suspending rack type digital radiation photograph system hanging barrel stroke stopping means of the present invention is: when motor when drive mechanism drives rotating assembly and rotates, because screw mandrel 22 is fixed together with machine shaft 21, so screw mandrel 22 can rotate with machine shaft 21.Catch 24 spins together by screw mandrel cover 29 with screw mandrel 22, when screw mandrel 22 rotates, catch 24 will with fairlead 27 together, along guide post 23 with the main story of screw mandrel 22 be reversed in and do linear reciprocating motion on the left and right directions.Like this, when catch 24 touches the limit switch at two ends, just can motor be stopped by electrical control, motor 21 rotating shafts are no longer rotated, and have also just realized mechanical position limitation.
Those skilled in the art do not break away from essence of the present invention and spirit, can there be the various deformation scheme to realize the present invention, the above only is the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalent structure that all utilizations description of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (4)
1, a kind of suspending rack type digital radiation photograph system hanging barrel stroke stopping means, comprise machine shaft, it is characterized in that: also comprise screw mandrel, guide post, the screw mandrel cover, catch, first limit switch, second limit switch and mount pad, one end of described screw mandrel is fixedlyed connected with the head end of described machine shaft, its other end rides on the described mount pad, described screw mandrel cover is socketed on the described screw mandrel, there is the threaded engagement of respective threads and described screw mandrel its inboard, described catch is along fixedlying connected with described screw mandrel cover with the vertical direction of described screw mandrel, described guide post is parallel with described screw mandrel, and be fixed on the described mount pad, described catch is provided with recess or through hole, described guide post is stuck in described recess or passes described through hole, first limit switch and second limit switch are fixed on the described mount pad, when after described catch is with the translation of described screw mandrel cover, contacting first limit switch, first limit switch opens circuit, when contacting second limit switch after described catch is with the translation in the other direction of described screw mandrel cover, second limit switch opens circuit.
2, suspending rack type digital radiation photograph system hanging barrel stroke stopping means according to claim 1 is characterized in that: also comprise fairlead, described fairlead is socketed on the described guide post, and blocks described catch.
3, suspending rack type digital radiation photograph system hanging barrel stroke stopping means according to claim 2 is characterized in that: described screw mandrel adopts the form along its axial hollow, and fixedly sleeved on the prolongation axle of described machine shaft.
4, suspending rack type digital radiation photograph system hanging barrel stroke stopping means according to claim 3 is characterized in that: described screw mandrel is fixedlyed connected by screw with the prolongation axle of described machine shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810142254 CN100584275C (en) | 2008-08-05 | 2008-08-05 | Range limiter of suspending rack type digital radiation photograph system hanging barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810142254 CN100584275C (en) | 2008-08-05 | 2008-08-05 | Range limiter of suspending rack type digital radiation photograph system hanging barrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101347340A true CN101347340A (en) | 2009-01-21 |
| CN100584275C CN100584275C (en) | 2010-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810142254 Expired - Fee Related CN100584275C (en) | 2008-08-05 | 2008-08-05 | Range limiter of suspending rack type digital radiation photograph system hanging barrel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539029A (en) * | 2012-07-09 | 2014-01-29 | 江苏海泰船舶成套设备有限公司 | Lifting winch with lifting limit device |
| CN104083176A (en) * | 2014-06-26 | 2014-10-08 | 李强 | Novel multifunctional chest X-ray instrument |
| CN107714066A (en) * | 2017-09-27 | 2018-02-23 | 王于臻 | Limbs detect irradiation image device |
| CN107714063A (en) * | 2017-09-15 | 2018-02-23 | 薛怀民 | Sealed rotation Multi probe X ray checking device |
| CN108245179A (en) * | 2018-01-11 | 2018-07-06 | 青岛市市立医院 | A kind of closed dept. of radiology's diagnostic imaging instrument |
| CN110403627A (en) * | 2019-07-24 | 2019-11-05 | 深圳市深图医学影像设备有限公司 | Electronic control tune window device for beam-defining clipper |
| CN113040118A (en) * | 2021-03-19 | 2021-06-29 | 华南农业大学 | Orchard vehicle-mounted rotary targeting spraying system |
-
2008
- 2008-08-05 CN CN 200810142254 patent/CN100584275C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539029A (en) * | 2012-07-09 | 2014-01-29 | 江苏海泰船舶成套设备有限公司 | Lifting winch with lifting limit device |
| CN104083176A (en) * | 2014-06-26 | 2014-10-08 | 李强 | Novel multifunctional chest X-ray instrument |
| CN107714063A (en) * | 2017-09-15 | 2018-02-23 | 薛怀民 | Sealed rotation Multi probe X ray checking device |
| CN107714066A (en) * | 2017-09-27 | 2018-02-23 | 王于臻 | Limbs detect irradiation image device |
| CN108245179A (en) * | 2018-01-11 | 2018-07-06 | 青岛市市立医院 | A kind of closed dept. of radiology's diagnostic imaging instrument |
| CN110403627A (en) * | 2019-07-24 | 2019-11-05 | 深圳市深图医学影像设备有限公司 | Electronic control tune window device for beam-defining clipper |
| CN113040118A (en) * | 2021-03-19 | 2021-06-29 | 华南农业大学 | Orchard vehicle-mounted rotary targeting spraying system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100584275C (en) | 2010-01-27 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Position limiter of suspending rack type digital radiation photograph system hanging barrel stroke Effective date of registration: 20141219 Granted publication date: 20100127 Pledgee: China Development Bank Co Pledgor: Landwind Co., Ltd. Registration number: 2014990001102 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151229 Granted publication date: 20100127 Pledgee: China Development Bank Co Pledgor: Landwind Co., Ltd. Registration number: 2014990001102 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20170805 |
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| CF01 | Termination of patent right due to non-payment of annual fee |