CN2109175U - Rotary arm type balancer for medical x-ray photography intensifier tube - Google Patents
Rotary arm type balancer for medical x-ray photography intensifier tube Download PDFInfo
- Publication number
- CN2109175U CN2109175U CN 91231122 CN91231122U CN2109175U CN 2109175 U CN2109175 U CN 2109175U CN 91231122 CN91231122 CN 91231122 CN 91231122 U CN91231122 U CN 91231122U CN 2109175 U CN2109175 U CN 2109175U
- Authority
- CN
- China
- Prior art keywords
- pulley
- extension spring
- increment
- pivoted arm
- fixed
- 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.)
- Granted
Links
Images
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
The utility model relates to a rotary arm type balancer for medical X-ray photography intensifier tube during operation, mainly comprising support frames, deflecting pulleys, a pitch-increasing assembly pulley, a pivoted arm, an adjusting rod, tension springs connected between one end of the pivoted arm and one end of the adjusting rod. The X-ray photography intensifier tube is hung via one end of a cable which is circled with each pulley wheel and plays the action of balance for the move of the intensifier tube via the telescoping of the tension spring. In addition, a tension spring pretension regulating device, a safe limiter, and a skidproof rope pulley are provided for making the operation be stable and reliable. The balancer has compact structure, less starting force, and easy fabrication.
Description
This utility model relates to a kind of adnexa of medical apparatus and instruments, and particularly a kind of medical X-ray video reinforced pipe bascule utilizes this device can steadily control moving of X-ray video reinforced pipe.
Video reinforced pipe in the medical X-ray diagnostic device will be done steadily moving freely with respect to patient, and the initial force that requires the operator to bestow is little.Both at home and abroad for this reason and the mode of the balance video reinforced pipe that adopts has: balancing weight balance, constant force spring balance, disc spring add four kinds of cone pulley balance and quadric chain balances etc.Above-mentioned first kind increases orthicon with the balancing weight balance and can only control and increase moving up and down of orthicon, and other has a cover mechanism to be used to control the move left and right that increases orthicon, and therefore, whole bascule is huger, and span is also bigger; Second kind of mode with constant force spring, its shortcoming are that this kind spring still is in the laboratory advanced development, the quality instability, and service life is short, and will use the worm and gear transmission when adjusting, so the process technology of entire equipment is had relatively high expectations; The disc spring that the third mode adopts, domestic still be difficult to coil make required size, therefore can not satisfy instructions for use, in addition, need equally during adjusting use worm gearing, thereby technical difficulty is also bigger; The 4th kind of used quadric chain of mode, its volume deadweight is bigger, and more clamping apparatus is adopted in part processing again in addition, in addition, requires chamber height higher when this device is installed at the scene, and the initial force when adding this device operation is bigger, so also unsatisfactory.
The purpose of this utility model is to provide a kind of novel medical X-ray video reinforced pipe bascule, it simple in structure, and volume is little, and handling ease is on-the-spotly installed no specific (special) requirements, requires its initial force less in addition, and smooth operation is reliable.
For realizing this purpose, the spy provides a kind of medical X-ray video reinforced pipe pivoted arm steady device, and it comprises a fixed support; One from the angle pulley of one side with hawser suspention X-ray video reinforced pipe, and this pulley spindle is fixed in support one end; Also comprise a pivoted arm, it by two mutually the length arms at folder one obtuse angle form, and be the relative other end that fulcrum is connected in support rotationally with two arm crossing places; One group of increment assembly pulley, it comprises the increment movable pulley of at least one long-armed end that is installed on above-mentioned pivoted arm of being fixed in the increment fixed pulley of support and equating with increment fixed pulley quantity, the above-mentioned increment assembly pulley of the other end pile warp of above-mentioned hawser and be fixed in the said fixing support; One adjusting rod, it is the fulcrum subtended angle direction part at folded it (＜180 °) obtuse angle of two arms of pivoted arm dorsad that is pivotably connected on fixed support with its approximate center point; At least one pair of extension spring seat, every pair of extension spring seat is connected in the galianconism end of above-mentioned pivoted arm and the overhanging end of above-mentioned adjusting rod respectively rotationally; And, the extension spring that quantity equates with extension spring seat logarithm, its two ends are connected to above-mentioned two extension spring seats, so that the inner end of above-mentioned adjusting rod pushes against on fixed support under tension spring tension.
When implementing this utility model, can on above-mentioned adjusting rod, establish a device of regulating the pretension of above-mentioned extension spring, as one be screwed together in the adjusting rod inner end adjustment screw and on locknut.
In addition, steadily reliable for making operation, also can radially be oppositely arranged an anti-skidding rope sheave along it, and on the long and short arm of pivoted arm, limited block or pin are set respectively, to limit the maximum swing of pivoted arm on each pulley side.
Adopt above-mentioned bascule, wherein fixedly hitch X-ray video reinforced pipe on the sagging hawser of fixed block, its weight, finally is applied in the above-mentioned extension spring on pivoted arm through hawser and all pulley transfer functions.When the video reinforced pipe moves down, pivoted arm rotates counterclockwise, extension spring is elongated, otherwise, on when moving then under the extension spring effect, make pivoted arm swing and returning clockwise, so, can rely on extension spring and pivoted arm state continuous variation and all the time the video reinforced pipe is imposed substantially invariable suspension force, to reach the effect of steady balance video reinforced pipe.The initial force of this device is little, smooth operation, and the population structure compactness, easy to process.
Describe structure of the present utility model and principle in detail with an embodiment below.The accompanying drawing of this embodiment is:
Fig. 1 is the sketch map of expression this utility model The Nomenclature Composition and Structure of Complexes; Wherein represent the residing position of corresponding component when carrying on the X-ray video reinforced pipe (W) with double dot dash line;
Fig. 2 is the cutaway view along " A-A " among Fig. 1.
As illustrated in fig. 1 and 2, each ingredient and the corresponding construction of the X-ray video reinforced pipe pivoted arm bascule shown in the present embodiment are as follows:
One fixed support 1, it by one put on the shelf 100 and a pair of cantilever 101 that extends in parallel downwards by this end of one of putting on the shelf form;
One angle pulley 2, its axle is fixed in 100 the right-hand member of putting on the shelf in the support, and X-ray video reinforced pipe (shown in " W " among the figure) relies on hawser 7 to slide and is suspended on the one side;
One pivoted arm 4 is " people " font, it by two mutually the length arms at folder one obtuse angle form, be that the fulcrum pivotally is connected in the support between two parallel cantilevers, 101 ends with the junction point of its two arm; Specifically, it is connected between the cantilever of support 1 by screw 18 and nut 19, and, rely on bearing 20 therebetween that it can be swung flexibly around fulcrum;
One group of increment pulley 3, it comprises a pair of increment fixed pulley and a pair of increment movable pulley.Wherein: a pair of increment fixed pulley coaxial line is installed in putting on the shelf on 100 of support side by side, and a pair of increment movable pulley coaxial line is installed on the long-armed end in the pivoted arm 4 side by side.The above-mentioned angle pulley 2 of other end pile warp of the hawser 7 of above-mentioned suspention X-ray video reinforced pipe, wherein an increment fixed pulley 3 and an increment movable pulley relative wherein of pile warp successively again with this fixed pulley, and same more successively another fixed pulley of pile warp and another movable pulley, be fixed in putting on the shelf on 100 of support by a collet 12 at last;
One adjusting rod 5, it is a fulcrum with its approximate center point, pivotally is fixed between two cantilevers, 101 roots of support 1, specifically, there is a cross through hole at above-mentioned fulcrum place, close-fitting unification lining 8 in the hole utilizes a little axle 9 that is fixed between two cantilevers 101 to penetrate in the lining 8, to realize the pivotally connected of adjusting rod 5.Notice: adjusting rod 5 with the relativeness of above-mentioned pivoted arm 4 is, should make the subtended angle adjusting rod 5 dorsad at folded it (＜180 °) obtuse angle of two arms of pivoted arm;
Two pairs of extension spring seats 6, every pair of extension spring seat is connected in the galianconism end of pivoted arm 4 and the protruding end of adjusting rod 5 respectively rotationally, specifically, utilize a bearing pin 17 that fixedly is installed on the galianconism end of pivoted arm 4, at the two ends of this bearing pin two extension spring seats 6 are housed rotationally, there are two extension spring seats 6 then to be contained in the place, both sides of the overhanging end of adjusting rod 5 respectively in addition, and are positioned at same vertical guide with above-mentioned two extension spring seats respectively;
Two extension springs 16, the two ends of each extension spring are connected to above-mentioned two pairs of upper and lower relative extension spring seats 6, and like this, under the tension spring tension effect, the inner end of adjusting rod 5 remains the trend that frame 100 is adjacent on support;
One regulates the device 102 of the pretension of extension spring 16, for example comprise one be screwed together in adjusting rod 5 the inner end screw pitch screw 10 and on locknut 11.Under the extension spring effect, the end of adjustment screw 10 presses closer frame 100 on support, utilizes the pretension that tunes its position-adjustable extension spring;
Three anti-skidding rope sheaves 15, it is other along pulley opposite position radially to be located at each pulley (2,3), and make it be close to pulley and leave appropriate gap, make hawser can not skid off pulley (2,3) and under normal circumstances do not rub mutually again, so that more steady reliable during balancing run with anti-skidding rope sheave; And
Two limited blocks (or pin) 13 and 14 are fixedly installed on respectively on one of the weak point of pivoted arm 4, long-armed cantilever 101 near the support side.When pivoted arm along or during counter-clockwise swing, rely on the 101 pairs of spacer pins 13 of cantilever of support or the restriction of limited block 14, and play the effect of angle range on the both direction of restriction pivoted arm 4, thereby can prevent to increase unlikely being pulled to of orthicon and impact support or prevent extension spring from too being stretched and lost efficacy.
The operation principle of X-ray video reinforced pipe bascule of the present utility model is such: X-ray video reinforced pipe weight W leans on hawser 7 all pulleys 2 of process and 3 transfer functions on pivoted arm 4.When reinforced pipe is pulled down then pivoted arm 4 counter-clockwise swings, its short end is just with extension spring 16 elongations.When the limited block on the pivoted arm 4 14 is run into the cantilever 101 of support, then limit pivoted arm and continued swing (shown in solid line among Fig. 1), extension spring this moment can too not stretched again and be protected.Otherwise, when on reinforced pipe is begun, carrying, the pulling force of the extension spring 16 that was stretched originally just spurs pivoted arm, it is clockwise rotated, limiting it until spacer pin 13 is rotated further, stop (shown in double dot dash line among Fig. 1) at an extreme position, just at the moment, reinforced pipe is parked in that the top is just right and unlikely to be not intended to impact support.
Be not difficult to find out: as the meticulous calculation Design of warp, spring tension and the moment that the arm of force produced of continuous galianconism end that change, pivoted arm by continuous variation to fulcrum, can balance each other with the moment of exporting from this end that constant force produced with the arm of force of the long-armed end that constantly changes to fulcrum, therefore, when its long-armed end changes the arm of force of fulcrum, can produce a constant power, act on the reinforced pipe, thereby reinforced pipe at the uniform velocity moving up and down basically can be provided by hawser.The effect of adjustment screw 10 more impels this kind situation to realize.In addition, because bearing is set, so mechanism kinematic is flexible, the operation leicht fallen D/A.Also have,, can under the condition that guarantees the enough operational strokes of reinforced pipe, reduce the span of this device, thereby obviously dwindled the volume of device, and component processing is convenient in addition for each owing to adopt two pairs of totally four increment pulleys 3.In a word, this bascule has overcome the shortcoming of same device in the prior art.
Claims (9)
1, a kind of medical X-ray video reinforced pipe pivoted arm bascule comprises a fixed support 1, one from the angle pulley 2 of one side with a hawser 7 suspention X-ray video reinforced pipes, this pulley spindle is fixed in an end of support, it is characterized in that, also comprise a pivoted arm 4, it by two mutually the length arms at folder one obtuse angle form, and be the relative other end that fulcrum is connected in described support 1 rotationally with two arm crossing places; One group of increment assembly pulley 3, it comprise at least one increment fixed pulley that is fixed in described support 1 and with the increment movable pulley of described increment fixed pulley quantity long-armed end that equate, that be installed on described pivoted arm 4, the described increment assembly pulley 3 of the other end pile warp of described hawser 7 and be fixed in described fixed support 1; One adjusting rod 5, it is the subtended angle direction part that fulcrum is connected in folded it (＜180 °) obtuse angle of two arms of described dorsad pivoted arm 5 on the described fixed support 1 rotationally with its approximate center point; At least one pair of extension spring seat 6, every pair of extension spring seat is connected in the galianconism end of described pivoted arm 5 and the overhanging end of described adjusting rod 5 respectively rotationally; And, the extension spring 16 that quantity equates with the logarithm of described extension spring seat 6, its two ends are connected to described two extension spring seats 6, so that the inner end of described adjusting rod 5 pushes against in described fixed support 1 under tension spring tension.
2, bascule as claimed in claim 1 is characterized in that, described fixed support 1 by one put on the shelf 100 and a pair of cantilever 101 that extends in parallel downwards by described one of 100 ends of putting on the shelf form.
3, bascule as claimed in claim 2 is characterized in that, described pivoted arm 4 is connected between the end of described two cantilevers 101 rotationally, and described adjusting rod 5 is connected between the root of described two cantilevers 101 rotationally.
4, as claim 1 or 3 described bascules, it is characterized in that, on described adjusting rod 5, also establish the device 102 of the pretension of the described extension spring 16 of an adjusting.
5, bascule as claimed in claim 4 is characterized in that, described adjusting device 102 comprises that an adjustment screw 10 that is screwed together in the inner end of described adjusting rod 5 reaches the locknut 11 of twisting thereon.
6, as claim 1 or 2 or 3 or 4 or 5 described bascules, it is characterized in that, described increment fixed pulley 3 and increment movable pulley 3 are two, and paired separately coaxial line is placed side by side setting, the described angle pulley of the other end pile warp of described hawser 72 backs are wherein an increment fixed pulley 3 and an increment movable pulley 3 relative with this fixed pulley wherein of pile warps successively, and same more successively another fixed pulley of pile warp and another movable pulley, be fixed in frame 100 on the described support by a collet 12 at last.
7, as claim 1 or 2 or 3 or 4 or 5 described bascules, it is characterized in that, described extension spring seat 6 is two pairs, described extension spring 16 is two, every pair of extension spring seat 6 is connected in the galianconism end of described pivoted arm 4 and the overhanging end of described adjusting rod 5 respectively rotationally, and be positioned at same vertical guide, between every pair of extension spring seat 6, connect an extension spring 16.
8, bascule as claimed in claim 6, it is characterized in that, radially be oppositely arranged an anti-skidding rope sheave 15 along it in that described angle pulley 2, each described increment fixed pulley 3 and increment movable pulley 3 are other, and make it be close to every associated pulleys and be able to make above-mentioned hawser 7 can not skid off the described pulley hawser of getting along well to rub mutually.
9, bascule as claimed in claim 3 is characterized in that, on a side of the weak point of described pivoted arm 4, long-armed cantilever 101 near described support a spacer pin 13 and a limited block 14 is set respectively respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91231122 CN2109175U (en) | 1991-12-31 | 1991-12-31 | Rotary arm type balancer for medical x-ray photography intensifier tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91231122 CN2109175U (en) | 1991-12-31 | 1991-12-31 | Rotary arm type balancer for medical x-ray photography intensifier tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2109175U true CN2109175U (en) | 1992-07-08 |
Family
ID=4936374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91231122 Granted CN2109175U (en) | 1991-12-31 | 1991-12-31 | Rotary arm type balancer for medical x-ray photography intensifier tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2109175U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415177C (en) * | 2001-07-16 | 2008-09-03 | 伊梅森公司 | Interface apparatus with cable-driven force feedback and four grounded actuators |
| CN101553170B (en) * | 2006-11-24 | 2011-11-09 | 株式会社岛津制作所 | Radiographic x-ray equipment |
| US8306653B2 (en) | 2008-09-26 | 2012-11-06 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Uniform turnover mechanism and method for controlling the same |
| CN102266231B (en) * | 2006-11-24 | 2014-05-07 | 株式会社岛津制作所 | X-ray fluoroscopic photographing device |
| CN105228551A (en) * | 2013-05-24 | 2016-01-06 | 株式会社高永科技 | Support with counter balance part |
| US10353165B2 (en) | 2013-05-24 | 2019-07-16 | Koh Young Technology Inc. | Stand equipped with counterbalance unit |
-
1991
- 1991-12-31 CN CN 91231122 patent/CN2109175U/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100415177C (en) * | 2001-07-16 | 2008-09-03 | 伊梅森公司 | Interface apparatus with cable-driven force feedback and four grounded actuators |
| CN101553170B (en) * | 2006-11-24 | 2011-11-09 | 株式会社岛津制作所 | Radiographic x-ray equipment |
| CN102266231B (en) * | 2006-11-24 | 2014-05-07 | 株式会社岛津制作所 | X-ray fluoroscopic photographing device |
| US8306653B2 (en) | 2008-09-26 | 2012-11-06 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Uniform turnover mechanism and method for controlling the same |
| CN105228551A (en) * | 2013-05-24 | 2016-01-06 | 株式会社高永科技 | Support with counter balance part |
| US10353165B2 (en) | 2013-05-24 | 2019-07-16 | Koh Young Technology Inc. | Stand equipped with counterbalance unit |
| US10473878B2 (en) | 2013-05-24 | 2019-11-12 | Kohyoung Technology Inc. | Stand equipped with counterbalance unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070270291A1 (en) | Exercise apparatus | |
| US4585212A (en) | Lift device of the scissor-jack type | |
| CN104941115B (en) | Training body-building machine for simulating load force | |
| CN2109175U (en) | Rotary arm type balancer for medical x-ray photography intensifier tube | |
| EP1207334A1 (en) | Stand | |
| CN115196511A (en) | Crane for coal mine conveying | |
| CA1046495A (en) | Hoist or winch mechanism adapted for multiple variable rigging | |
| DE60132118T2 (en) | LOAD DETECTOR FOR ELEVATOR | |
| CN209605023U (en) | A kind of vertical sunpender of electronic round tube | |
| CN114838074B (en) | Constant tension buffer mechanism based on hinge zero-stiffness spring | |
| EP1205703B1 (en) | Stand, in particular for surgical microscope | |
| CN209542083U (en) | Cable wire endurance quality test machine | |
| DE10211046A1 (en) | Tripod head, especially camera tripod head | |
| CN214374000U (en) | Safety belt rotary disc type static performance test system | |
| JP2007331365A (en) | Blackboard lifting device | |
| CN209482151U (en) | A kind of nacelle device of bridge construction | |
| SU956406A1 (en) | Device for regulating tensions of ropes of multirope hoisting machine | |
| CN112161883A (en) | Helicopter tail rotor control steel cable fatigue test platform | |
| CN209369583U (en) | Standard upgrading industrial slide lifting door preventing wire rope from falling mechanism | |
| EP1074686B1 (en) | A movement and balancing mechanism for vertical sliding doors | |
| DE105168C (en) | ||
| CN214093713U (en) | Adjustable flow measuring device for hydraulic engineering | |
| EP0260225A1 (en) | Cable guiding device | |
| CN219590573U (en) | Optical cable intelligent fiber jumping manipulator | |
| CN219507364U (en) | Cable irradiation beam lower transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |