CN210057179U - Double-end supporting treatment bed - Google Patents
Double-end supporting treatment bed Download PDFInfo
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- CN210057179U CN210057179U CN201920252495.5U CN201920252495U CN210057179U CN 210057179 U CN210057179 U CN 210057179U CN 201920252495 U CN201920252495 U CN 201920252495U CN 210057179 U CN210057179 U CN 210057179U
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Abstract
The utility model provides a double-end support treatment bed, double-end support treatment bed includes treatment bed and supplementary strutting arrangement, treatment bed is including removing lathe bed and lathe bed support, it sets up to remove the lathe bed above the lathe bed support, the lathe bed support is provided with lathe bed elevating system, it is provided with, lathe bed lateral shifting mechanism and lathe bed longitudinal movement mechanism to remove the lathe bed, the lathe bed support passes through the removal lathe bed lift of lathe bed elevating system control lathe bed support top and goes up and down, it controls removal lathe bed lateral shifting and longitudinal movement through lathe bed lateral shifting mechanism and lathe bed longitudinal movement mechanism to remove the lathe bed, lathe bed elevating system, lathe bed lateral shifting mechanism and lathe bed longitudinal movement mechanism are provided with feedback sensor respectively; the auxiliary supporting device is arranged at one end of the treatment bed, is used for supporting the movable bed body extending out of the treatment bed, and synchronously lifts and transversely moves along with the movable bed body.
Description
Technical Field
The utility model relates to the technical field of medical accelerator manufacturing, in particular to a double-end supporting treatment bed.
Background
In recent years, an important local treatment method for malignant tumors by using x-rays, electron beams, proton beams, other particle beams, and the like generated by a medical linear accelerator is disclosed. During the radiation treatment, the patient needs to be accurately positioned to ensure that the focus part is subjected to a high enough radiation dose and the damage to normal tissues is reduced.
With the development of Stereotactic Radiotherapy (SRT), three-dimensional conformal radiotherapy (3D-CRT), Intensity Modulated Radiotherapy (IMRT), Image Guided Radiotherapy (IGRT) and three-dimensional conformal radiotherapy (ART), the accuracy and precision of each part of radiotherapy are continuously improved, and meanwhile, higher requirements are provided for the positioning precision of the treatment couch. And along with the function increase of accelerators, the treatment scope is wider, and degree of automation is higher, and the man-machine is more friendly, also requires more to the stroke of treatment table.
Therefore, the positioning precision and the repeated positioning precision of the longitudinal and transverse driving positioning precision of the current treatment bed are not suitable for the requirement of accurate positioning; and along with the increase of the stroke, the inclination and the bending deformation of the bed surface are intensified, and the positioning precision is also reduced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a bi-polar supports treatment bed, can remove treatment bed fast accurate to effective support is provided.
In order to solve the technical problem, an embodiment of the utility model provides a double-end support treatment bed, double-end support treatment bed includes treatment bed and auxiliary supporting device, treatment bed is including removing lathe bed and lathe bed support, it sets up to remove the lathe bed above the lathe bed support, the lathe bed support is provided with lathe bed elevating system, it is provided with lathe bed lateral shifting mechanism and lathe bed longitudinal movement mechanism to remove the lathe bed, the lathe bed support passes through the lifting system control of lathe bed above the lathe bed support and removes lathe bed lateral shifting and longitudinal movement, lathe bed elevating system, lathe bed lateral shifting mechanism and lathe bed longitudinal movement mechanism are provided with feedback sensor respectively;
the auxiliary supporting device is arranged at one end of the treatment bed, is used for supporting the movable bed body extending out of the treatment bed, and synchronously lifts and transversely moves along with the movable bed body.
Preferably, the bed lifting mechanism is provided with a first feedback sensor, the bed transverse moving mechanism is provided with a second feedback sensor, the bed longitudinal moving mechanism is provided with a third feedback sensor, the first feedback sensor and the second feedback sensor are absolute encoders, and the third feedback sensor is a stay wire type displacement sensor.
Preferably, the first feedback sensor performs closed-loop control on the lifting position, the second feedback sensor is used for performing closed-loop control on the transverse moving position, and the third feedback sensor is used for performing closed-loop control on the longitudinal moving position.
Preferably, the lathe bed support comprises a lathe bed base and a lifting support, the lathe bed base is provided with a lifting slide rail, the lifting support is connected with the lathe bed base in a lifting sliding mode through the lifting slide rail, the lifting slide rail is a composite double-stroke guide rail, the lathe bed lifting mechanism comprises a first motor, a first gear and a first rack, the first motor is fixedly connected with the lifting support, the first rack is fixedly connected with the lathe bed base, the first motor is connected with the teeth of the first rack through the first gear, and the first motor drives the lifting support to move up and down.
Preferably, the movable bed body is arranged above the lifting support, the bottom of the movable bed body is connected with the lifting support through a bed body transverse moving mechanism, the bed body transverse moving mechanism comprises a second motor, a second gear and a second rack, the second motor is fixedly connected with the bottom of the movable bed body, the second rack is fixedly connected with the lifting support, the second motor is in gear connection with the second rack through the second gear, and the second motor drives the movable bed body to transversely move.
Preferably, the movable bed body is provided with a longitudinal movement guide rail and a bed board, the bed board is connected with the longitudinal movement guide rail in a sliding manner, the bed board is connected with the movable bed body through a bed body longitudinal movement mechanism, the bed body longitudinal movement mechanism comprises a third motor, a third gear and a synchronous belt, a sliding block is arranged at the bottom of the bed board and connected with the synchronous belt, the third motor is connected with the synchronous belt through the third gear, and the third motor drives the movable bed body to move longitudinally.
Preferably, the auxiliary supporting device comprises device columns at two ends, a supporting plate, a column support and a lifting transverse moving mechanism, the lifting transverse moving mechanism is connected with the device columns and the supporting plate and used for controlling the lifting and transverse moving of the supporting plate, the column support is arranged below the supporting plate, and the column support is connected with the device columns at two ends.
Preferably, the device upright columns at the two ends are respectively provided with a screw rod and a rotating motor, and the rotating motor is connected with the screw rod and drives the screw rod to rotate;
the lifting transverse moving mechanism comprises a lifting slide block and a connecting rod, the lifting slide block is respectively arranged on the lead screws of the device upright columns at the two ends and is in lifting sliding connection with the lead screws, and the two ends of the connecting rod are respectively hinged with the lifting slide block and the supporting plate.
Preferably, the device stand is provided with a stand guide rail, the lifting slide block slides up and down through the stand guide rail, and the connecting rod is a parallel connecting rod.
Preferably, the surface of the supporting plate is provided with a roller, and the roller is used for supporting the movable bed body on the supporting plate to move.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
among the above-mentioned scheme, through treatment bed and supplementary strutting arrangement, can realize that the bi-polar of treatment bed supports, reduces the deformation of treatment bed for the treatment location is more accurate, and the bed body removes more stably rapidly, and the removal position is more nimble, and the adaptability is stronger.
Drawings
FIG. 1 is a structural view of a treatment couch according to an embodiment of the present invention;
FIG. 2 is a structural view of a treatment couch according to an embodiment of the present invention;
fig. 3 is a structural diagram of an auxiliary supporting device according to an embodiment of the present invention.
[ main component symbol description ]
A treatment couch 1;
an auxiliary support device 2;
moving the bed 3;
a bed support 4;
a bed body lifting mechanism 5;
a bed base 6;
a lifting bracket 7;
a lifting slide rail 8;
a first electric motor 9;
a first gear 10;
a first rack 11;
a second electric machine 12;
a second gear 13;
a second rack 14;
a moving guide 15;
a third electric machine 16;
a device column 17;
a support plate 18;
a pillar brace 19;
a lifting transverse moving mechanism 20;
a lead screw 21;
a rotating electrical machine 22;
a lifting slider 23;
a column guide 25;
a roller 26;
a hinge 27.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the double-end support treatment bed of the embodiment of the present invention comprises a treatment bed 1 and an auxiliary support device 2, wherein the treatment bed 1 comprises a movable bed 3 and a bed support 4, the movable bed 3 is disposed above the bed support 4, the bed support 4 is provided with a bed lifting mechanism 5, the movable bed 3 is provided with a bed transverse moving mechanism and a bed longitudinal moving mechanism, the bed support 4 controls the movable bed 3 above the bed support 4 to move up and down through the bed lifting mechanism 5, the movable bed 3 controls the movable bed 3 to move transversely and longitudinally through the bed transverse moving mechanism and the bed longitudinal moving mechanism, and the bed lifting mechanism 5, the bed transverse moving mechanism and the bed longitudinal moving mechanism are respectively provided with a feedback sensor;
the auxiliary supporting device 2 is arranged at one end of the treatment bed 1, is used for supporting the movable bed body 3 extending out of the treatment bed 1, and synchronously lifts and transversely moves along with the movable bed body 3.
The machine tool body lifting mechanism 5 is provided with a first feedback sensor, the machine tool body transverse moving mechanism is provided with a second feedback sensor, the machine tool body longitudinal moving mechanism is provided with a third feedback sensor, the first feedback sensor and the second feedback sensor are absolute encoders, and the third feedback sensor is a stay wire type displacement sensor.
Preferably, the first feedback sensor performs closed-loop control on the lifting position, the second feedback sensor is used for performing closed-loop control on the transverse moving position, and the third feedback sensor is used for performing closed-loop control on the longitudinal moving position. The linear motion in three directions can be all at the other installation absolute position straight line magnetic grid of guide rail, forms the double detection of absolute position with absolute encoder or stay wire formula displacement sensor on the driving motor, has both guaranteed the position accuracy, again can mutual detection redundancy backup, can also not lose position information when resuming after shutting down.
The utility model discloses a bi-polar supports treatment bed of embodiment, through treatment bed and supplementary strutting arrangement, can realize that the bi-polar of treatment bed supports, reduces the deformation of treatment bed for the treatment location is more accurate, and the bed body removes rapidly more stably, and the removal position is more nimble, and adaptability is stronger.
Specifically, lathe bed support 4 includes lathe bed base 6 and lifting support 7, lathe bed base 6 is provided with lift slide rail 8, lifting support 7 passes through lift slide rail 8 and 6 lifting and drop connections of lathe bed base, and the lift slide rail is compound two stroke guide, lathe bed elevating system 5 includes first motor 9, first gear 10 and first rack 11, first motor 9 and lifting support 7 fixed connection, first rack 11 and 6 fixed connection of lathe bed base, first motor 9 is connected with 11 teeth of a cogwheel of first rack through first gear 10, first motor 9 drives lifting support 7 elevating movement.
The lifting component comprises a base, a lifting support, a supporting device, a transmission device and a feedback sensor. The lifting slide rail is a double-section telescopic guide rail, so that the supporting rigidity is ensured, wherein one surface of the guide rail is fixed on the bed base, and the other surface of the guide rail is fixed on the lifting support; the lathe bed lifting mechanism can comprise a gear, a rack, a right-angle planetary reducer and a servo motor, wherein the rack is fixed on the lifting support, the servo motor is connected with the right-angle planetary reducer and fixed on the lathe bed base, and the gear is fixed on an output shaft of the reducer and meshed with the rack. The feedback sensor adopts an absolute encoder to perform position closed-loop control, so that the positioning precision is ensured.
The embodiment of the utility model provides an in, can guarantee the rigidity removal of treatment bed through lathe bed elevating system, the translation rate is faster, and feedback sensor adopts absolute encoder, can be closed loop control to lathe bed elevating system to further guarantee the location of lathe bed, adopt compound two stroke guide rail, both rigidity is good, long stroke, saves space again, and the bed surface position is low when the extreme low position, and the patient of being convenient for gets on or off the bed.
Specifically, the movable bed body 3 is arranged above the lifting support 7, the bottom of the movable bed body 3 is connected with the lifting support 7 through a bed body transverse moving mechanism, the bed body transverse moving mechanism comprises a second motor 12, a second gear 13 and a second rack 14, the second motor 12 is fixedly connected with the bottom of the movable bed body 3, the second rack 14 is fixedly connected with the lifting support 7, the second motor 12 is connected with the second rack 14 through a second gear 13, and the second motor 12 drives the movable bed body 3 to transversely move.
The bottom of the movable bed body can be provided with a bracket, a transverse moving frame, a supporting device, a bed body transverse moving mechanism and a feedback sensor. The supporting device is provided with a crossed rod linear guide rail at each of two ends to ensure the supporting rigidity, wherein one side of the guide rail is fixed on the bracket, and the other side of the guide rail is fixed on the transverse moving frame; the lathe bed transverse moving mechanism can comprise a gear rack, a right-angle planetary reducer and a servo motor, the gear rack is fixed on the transverse moving frame, the servo motor is connected with the right-angle planetary reducer and fixed on the bracket, and the pinion is fixed on an output shaft of the reducer and meshed with the gear rack. The feedback sensor adopts an absolute encoder to perform position closed-loop control, so that the positioning precision is ensured.
In the embodiment, the bed body transverse moving mechanism can ensure rigid movement of the treatment bed, the moving speed is higher, and the feedback sensor adopts an absolute encoder and can perform closed-loop control on the transverse movement of the bed body, so that the positioning of the bed body is further ensured.
Specifically, the movable bed body 3 is provided with a longitudinal movement guide rail 15 and a bed board, the bed board is connected with the longitudinal movement guide rail 15 in a sliding manner, the bed board is connected with the movable bed body 3 through a bed body longitudinal movement mechanism, the bed body longitudinal movement mechanism comprises a third motor 16, a third gear and a synchronous belt, a sliding block is arranged at the bottom of the bed board and connected with the synchronous belt, the third motor 16 is connected with the synchronous belt through the third gear, and the third motor drives the movable bed body to move longitudinally.
The top of the movable bed body can comprise a bed plate, a supporting device, a bed body longitudinal movement mechanism and a feedback sensor. The supporting device comprises two ball linear guide rails and a guide follow-up cam, and the supporting rigidity is ensured, wherein the guide rails are fixed with the transverse moving frame, and the sliding blocks are fixed with the bed plate; the lathe bed longitudinal movement mechanism can include the hold-in range module, the clutch, right angle planetary reducer and servo motor, and the hold-in range module is fixed mutually with the sideslip frame, and the clutch output is connected with the hold-in range drive wheel, and the clutch input is connected with planetary reducer and servo motor. The feedback sensor adopts a stay wire type displacement sensor to perform position closed-loop control, so that the positioning precision is ensured.
In the embodiment, the bed body longitudinal moving mechanism can ensure rigid movement of the treatment bed, the moving speed is higher, the feedback sensor adopts the stay wire type displacement sensor, closed-loop control can be performed on the bed body longitudinal movement, and therefore the positioning of the bed body is further ensured.
Specifically, the auxiliary supporting device 2 comprises device columns 17, supporting plates 18, column supports 19 and lifting transverse moving mechanisms 20 at two ends, the lifting transverse moving mechanisms 20 are connected with the device columns 17 and the supporting plates 18 and used for controlling the lifting and transverse moving of the supporting plates 18, the column supports 19 are arranged below the supporting plates 18, and the column supports 19 are connected with the device columns 17 at the two ends.
The device upright posts 17 at the two ends are respectively provided with a screw 21 and a rotating motor 22, and the rotating motor 22 is connected with the screw 21 and drives the screw 21 to rotate; the lifting transverse moving mechanism 20 comprises a lifting slide block 23 and a connecting rod 24, the lifting slide block 23 is respectively arranged on the lead screws 21 of the device upright posts 17 at the two ends and is connected with the lead screws 21 in a lifting sliding manner, and the two ends of the connecting rod 24 are respectively hinged with the lifting slide block 23 and the supporting plate 18.
The device upright column 17 is provided with an upright column guide rail 25, the lifting slide block 23 slides up and down through the upright column guide rail 25, and the connecting rod 24 is a parallel connecting rod. The surface of the supporting plate 18 is provided with a roller 26, and the roller 26 is used for supporting the moving bed 3 on the supporting plate to move. The parallel links are connected by a hinge 27.
The auxiliary support can comprise a supporting plate, two groups of auxiliary lifting transverse moving mechanisms and parallel connecting rods. Wherein the auxiliary bed board is provided with a plurality of rollers for slidably supporting the movable bed body. The device upright post comprises an upright frame which is fixed on the ground; a ball linear guide; the servo motor is connected with the right-angle planetary reducer and the screw rod to drive the screw rod nut and the lifting slide block to do linear motion. And one end of the parallel connecting rod is connected with the lifting slide block, and the other end of the parallel connecting rod is connected with the supporting plate so as to support and drive the supporting plate to lift and move transversely.
The embodiment of the utility model provides an in, through setting up device stand, backup pad, stand support and lift lateral shifting mechanism, when guaranteeing that the removal lathe bed obtains the support, can realize linkage support simultaneously through lift lateral shifting mechanism and removal lathe bed synchronous motion.
The embodiment of the utility model, 1, the structure is ingenious, the rigidity is good, the deformation is small, thus providing a structural form for the increase of the longitudinal travel; meanwhile, due to good rigidity, the thickness of the bed plate can be reduced to ensure good ray transmittance.
2. The therapeutic bed main body adopts a series structure, and is easy to realize larger stroke. The auxiliary support adopts a parallel structure, so that the structure is compact and the bearing capacity is strong; and the structure is symmetrical, simple and beautiful, and when the auxiliary bed board descends, the treatment space of the medical accelerator is invisible.
3. The utility model discloses a closed-loop control is done to the encoder for operate steadily, positioning accuracy is high, realizes accurate treatment position.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The double-end support treatment bed is characterized by comprising a treatment bed and an auxiliary support device, wherein the treatment bed comprises a movable bed body and a bed body support, the movable bed body is arranged above the bed body support, the bed body support is provided with a bed body lifting mechanism, the movable bed body is provided with a bed body transverse moving mechanism and a bed body longitudinal moving mechanism, the bed body support controls the movable bed body above the bed body support to lift through the bed body lifting mechanism, the movable bed body controls the movable bed body to transversely move and longitudinally move through the bed body transverse moving mechanism and the bed body longitudinal moving mechanism, and the bed body lifting mechanism, the bed body transverse moving mechanism and the bed body longitudinal moving mechanism are respectively provided with a feedback sensor;
the auxiliary supporting device is arranged at one end of the treatment bed and synchronously ascends and descends and transversely moves along with the movable bed body.
2. The dual-end support treatment couch of claim 1 wherein the couch body lifting mechanism is provided with a first feedback sensor, the couch body lateral movement mechanism is provided with a second feedback sensor, the couch body longitudinal movement mechanism is provided with a third feedback sensor, the first and second feedback sensors are absolute encoders, and the third feedback sensor is a pull-wire displacement sensor.
3. The double-end support treatment bed of claim 1, wherein the bed support comprises a bed base and a lifting support, the bed base is provided with a lifting slide rail, the lifting support is connected with the bed base in a lifting and sliding manner through the lifting slide rail, the lifting slide rail is a composite double-stroke guide rail, the bed lifting mechanism comprises a first motor, a first gear and a first rack, the first motor is fixedly connected with the lifting support, the first rack is fixedly connected with the bed base, the first motor is connected with first rack teeth through the first gear, and the first motor drives the lifting support to move up and down.
4. The dual-end support treatment couch of claim 3, wherein the movable couch body is disposed above the lifting support, the bottom of the movable couch body is connected to the lifting support through a couch body traverse mechanism, the couch body traverse mechanism comprises a second motor, a second gear and a second rack, the second motor is fixedly connected to the bottom of the movable couch body, the second rack is fixedly connected to the lifting support, the second motor is in gear-tooth connection with the second rack through the second gear, and the second motor drives the movable couch body to move laterally.
5. The double-end support treatment couch of claim 4 wherein the moving couch body is provided with a longitudinal movement guide and a couch plate, the couch plate is slidably connected with the longitudinal movement guide, the couch plate is connected with the moving couch body by a couch body longitudinal movement mechanism, the couch body longitudinal movement mechanism comprises a third motor, a third gear and a synchronous belt, a slider is provided at a bottom of the couch plate, the slider is connected with the synchronous belt, the third motor is connected with the synchronous belt by the third gear, and the third motor drives the moving couch body to move longitudinally.
6. The dual end support treatment couch of claim 1 wherein the auxiliary support device comprises two end device columns, a support plate, a column support and a lateral elevating and moving mechanism, the lateral elevating and moving mechanism connects the device columns and the support plate, the column support is disposed under the support plate, and the column support is connected to the two end device columns.
7. The double-end support treatment couch of claim 6, wherein the device columns at the two ends are respectively provided with a screw rod and a rotating motor, and the rotating motor is connected with the screw rod and drives the screw rod to rotate;
the lifting transverse moving mechanism comprises a lifting slide block and a connecting rod, the lifting slide block is respectively arranged on the lead screws of the device upright columns at the two ends and is in lifting sliding connection with the lead screws, and the two ends of the connecting rod are respectively hinged with the lifting slide block and the supporting plate.
8. The dual end support treatment couch of claim 7 wherein the device column is provided with column rails through which the elevator slide slides up and down, the links being parallel links.
9. The dual end support treatment couch of claim 6 wherein the support plate surface is provided with rollers for supporting the moving bed on the support plate for movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252495.5U CN210057179U (en) | 2019-02-28 | 2019-02-28 | Double-end supporting treatment bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920252495.5U CN210057179U (en) | 2019-02-28 | 2019-02-28 | Double-end supporting treatment bed |
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| CN210057179U true CN210057179U (en) | 2020-02-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938972A (en) * | 2020-08-14 | 2020-11-17 | 南京聚星智能装备有限公司 | High-intensity self-focusing ultrasonic tumor treatment bed and using method thereof |
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2019
- 2019-02-28 CN CN201920252495.5U patent/CN210057179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938972A (en) * | 2020-08-14 | 2020-11-17 | 南京聚星智能装备有限公司 | High-intensity self-focusing ultrasonic tumor treatment bed and using method thereof |
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