CN203303294U - Driving device for treatment couch - Google Patents
Driving device for treatment couch Download PDFInfo
- Publication number
- CN203303294U CN203303294U CN2013203625231U CN201320362523U CN203303294U CN 203303294 U CN203303294 U CN 203303294U CN 2013203625231 U CN2013203625231 U CN 2013203625231U CN 201320362523 U CN201320362523 U CN 201320362523U CN 203303294 U CN203303294 U CN 203303294U
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- China
- Prior art keywords
- gear
- driving
- shaft
- timing belt
- motor
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- Withdrawn - After Issue
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Abstract
The device belongs to the field of medical tools, and particularly relates to a driving device for a treatment couch, which comprises a motor, wherein the motor is mounted on one side of a base; a drive shaft and a synchronous belt wheel shaft are arranged in the base; the motor is connected with the drive shaft; an electromagnetic clutch is mounted on the drive shaft; a clutch gear is mounted outside the electromagnetic clutch; the clutch gear is meshed with an intermediate gear; the intermediate gear is meshed with a gearwheel; the intermediate gear is mounted on the side wall of the base; the gearwheel is mounted on the synchronous belt wheel shaft; a driving belt pulley is mounted on one side of a gearwheel; the driving belt pulley is meshed with a synchronous belt. The device adopts a three gear force increasing mechanism, not only can ensure output torque large enough, but also can simplify the structure, save the space, and increase the reliability of the driving device. Through the adoption of two reading devices of an incremental encoder and a potentiometer, the accuracy of data reading is ensured, and the reliability of data reading is improved; through the adoption of the synchronous toothed belt transmission, the gapless requirement of the transmission is ensured, the transmission efficiency is improved; the mounting and the maintenance are convenient, and the cost is reduced.
Description
Technical field
This utility model relates to a kind of therapeutic bed driving device, belongs to the medical tool field.
Background technology
Therapeutic bed is the bogey of large medical apparatus, its Main Function is be used to carrying patient and finding the optimal treatment position by the motion of therapeutic bed, so the kinematic accuracy of therapeutic bed is directly connected to the levels of precision of diagnosis and treatment in diagnosis and therapeutic process.Existing therapeutic bed longitudinal driving device, complex structure, installation and maintenance inconvenience.What between driving device and therapeutic bed movable stand assembly, adopt is gear & rack structure, namely on the movable stand assembly, tooth bar is installed, because impact and the difficulty of processing of the machining accuracy of long tooth bar are higher, add the rack-and-pinion drive gap larger, finally cause the lengthwise movement inaccuracy.Secondly existing therapeutic bed driving device not checking in the reading numerical values process, cause that error is large and safety coefficient is low.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of simple in structure, easy to use, can improve the therapeutic bed driving device of positioning precision and kinematic accuracy.
Therapeutic bed driving device described in the utility model, comprise motor, motor is arranged on a side of base, driving shaft and Timing Belt wheel shaft are set in base, motor connects driving shaft, electromagnetic clutch is installed on driving shaft, electromagnetic clutch is equipped with clutch gear outward, clutch gear and idler gear engagement, idler gear and gear wheel engagement, idler gear is arranged on base side wall, and gear wheel is arranged on the Timing Belt wheel shaft, gear wheel one side is equipped with driving pulley, driving pulley and Timing Belt engagement.
Motor is power set, for driving shaft provides power, electromagnetic clutch is controlled the Engage and disengage of driving shaft and clutch gear, control steadily, the driven by motor driving shaft rotates, driving shaft drives clutch gear and rotates, clutch gear drives successively idler gear and gear wheel rotates, gear wheel drives the Timing Belt wheel shaft and rotates, the Timing Belt wheel shaft drives driving pulley and rotates, due to driving pulley and Timing Belt engagement, so finally can drive Timing Belt moves, during use, Timing Belt is connected to the movable stand assembly, can realize the movement of therapeutic bed, this structure adopts the force-increasing mechanism of three gears, to guarantee enough large moment output, adopt toothed belt transmission, fricton-tight while making work, gear ratio is accurately arranged, transmission efficiency is high, good energy-conserving effect, running expense is low, maintaining is convenient.
The encoder gear wheel is installed on described Timing Belt wheel shaft, encoder gear wheel and the engagement of encoder pinion shaft, an end of encoder pinion shaft arranges incremental encoder, and an end of Timing Belt wheel shaft is installed potentiometer.Two data reading devices of potentiometer and incremental encoder are installed, to guarantee precision and the reliability of data, thereby guarantee the treatment precision.
Described driving pulley both sides arrange driven pulley, and driven pulley is arranged on respectively on the driven belt wheel shaft, and Timing Belt is walked around the driven pulley of driving pulley and opposite side successively from the driven pulley of a side wherein.The driven pulley of both sides can play guiding and positioning action, makes Timing Belt and driving pulley bonding area large, and working stability guarantees output torque.
Motor can be selected servomotor, and Timing Belt is the engagement type Timing Belt.
The beneficial effects of the utility model are:
The force-increasing mechanism of three gears, can ensure enough large output torque, can save space by simplified structure again, increases the reliability of driving device.Two reading devices of incremental encoder and potentiometer, and two devices are relatively independent, guaranteed the accuracy that data read, and increased the reliability that data read.Synchronous Belt Drives, guaranteed the gapless requirement of transmission, improved transmission efficiency, both convenient for installation and maintenance, also reduced cost.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 3 is the plan structure schematic diagram of Fig. 1.
Fig. 4 is the sectional structure schematic diagram of B-B in Fig. 3.
In figure: 1, motor 2, idler gear 3, gear wheel 4, incremental encoder 5, encoder pinion shaft 6, driving pulley 7, base 8, potentiometer 9, electromagnetic clutch 10, clutch gear 11, driving shaft 12, encoder gear wheel 13, Timing Belt wheel shaft 14, driven pulley 15, driven belt wheel shaft 16, Timing Belt.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described further:
As shown in Figure 1 to 4, therapeutic bed driving device described in the utility model, comprise motor 1, motor 1 is arranged on a side of base 7, interior driving shaft 11 and the Timing Belt wheel shaft 13 of arranging of base 7, motor 1 connects driving shaft 11, electromagnetic clutch 9 is installed on driving shaft 11, the outer clutch gear 10 that is equipped with of electromagnetic clutch 9, clutch gear 10 and idler gear 2 engagements, idler gear 2 and gear wheel 3 engagements, idler gear 2 is arranged on base 7 sidewalls, gear wheel 3 is arranged on Timing Belt wheel shaft 13, gear wheel 3 one sides are equipped with driving pulley 6, driving pulley 6 and Timing Belt 16 engagements.Encoder gear wheel 12 is installed on Timing Belt wheel shaft 13, encoder gear wheel 12 and 5 engagements of encoder pinion shaft, an end of encoder pinion shaft 5 arranges incremental encoder 4, and an end of Timing Belt wheel shaft 13 is installed potentiometer 8.Driving pulley 6 both sides arrange driven pulley 14, and driven pulley 14 is arranged on respectively on driven belt wheel shaft 15, and Timing Belt 16 is walked around the driven pulley 14 of driving pulley 6 and opposite side successively from the driven pulley 14 of a side wherein.
In the situation of electromagnetic clutch 9 energisings, the rotation of motor 1 passes to clutch gear 10 by electromagnetic clutch 9, due to clutch gear 10 and idler gear 2 engagements, idler gear 2 and gear wheel 3 engagements, and gear wheel 3 all is mounted on Timing Belt wheel shaft 13 with driving pulley 6, the rotation of motor 1 finally can drive driving pulley 6 rotations.The toothed one side of Timing Belt 16 and driving pulley 6 engagements, driven pulley 14 is close on another plane, and the two ends of Timing Belt 16 are arranged on the movable stand assembly of therapeutic bed, when base 7 fixedly the time, the rotation of motor 1 can drive the movable stand assembly and move, thereby plays the effect of driving.Potentiometer 8 is connected on Timing Belt wheel shaft 13, namely directly coaxial with driving pulley 6, the rotation data that reads driving pulley 6 that can be real-time.Incremental encoder 4 is arranged on encoder pinion shaft 5, and mesh with the encoder gear wheel 12 be arranged on Timing Belt wheel shaft 13, by between encoder gear wheel 12 and encoder pinion shaft 5, amplifying, can be real-time read rotation data and and potentiometer 8 form check and correction and verify, to guarantee the accuracy of data, thereby reach the purpose of accurate treatment.
Claims (3)
1. therapeutic bed driving device, comprise motor (1), motor (1) is arranged on a side of base (7), it is characterized in that: driving shaft (11) and Timing Belt wheel shaft (13) are set in base (7), motor (1) connects driving shaft (11), electromagnetic clutch (9) is installed on driving shaft (11), the outer clutch gear (10) that is equipped with of electromagnetic clutch (9), clutch gear (10) and idler gear (2) engagement, idler gear (2) and gear wheel (3) engagement, idler gear (2) is arranged on base (7) sidewall, gear wheel (3) is arranged on Timing Belt wheel shaft (13), gear wheel (3) one sides are equipped with driving pulley (6), driving pulley (6) and Timing Belt (16) engagement.
2. therapeutic bed driving device according to claim 1, it is characterized in that: the upper encoder gear wheel (12) of installing of Timing Belt wheel shaft (13), encoder gear wheel (12) and encoder pinion shaft (5) engagement, one end of encoder pinion shaft (5) arranges incremental encoder (4), and an end of Timing Belt wheel shaft (13) is installed potentiometer (8).
3. therapeutic bed driving device according to claim 1 and 2, it is characterized in that: driving pulley (6) both sides arrange driven pulley (14), it is upper that driven pulley (14) is arranged on respectively driven belt wheel shaft (15), and Timing Belt (16) is walked around the driven pulley (14) of driving pulley (6) and opposite side successively from the driven pulley of a side (14) wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203625231U CN203303294U (en) | 2013-06-21 | 2013-06-21 | Driving device for treatment couch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203625231U CN203303294U (en) | 2013-06-21 | 2013-06-21 | Driving device for treatment couch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203303294U true CN203303294U (en) | 2013-11-27 |
Family
ID=49609536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203625231U Withdrawn - After Issue CN203303294U (en) | 2013-06-21 | 2013-06-21 | Driving device for treatment couch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203303294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771188A (en) * | 2014-01-13 | 2015-07-15 | 上海西门子医疗器械有限公司 | Motor detection system, motor detection method, control panel, sickbed moving system and X-ray unit |
| CN103300991B (en) * | 2013-06-21 | 2015-12-16 | 山东新华医疗器械股份有限公司 | Therapeutic bed driving device |
-
2013
- 2013-06-21 CN CN2013203625231U patent/CN203303294U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103300991B (en) * | 2013-06-21 | 2015-12-16 | 山东新华医疗器械股份有限公司 | Therapeutic bed driving device |
| CN104771188A (en) * | 2014-01-13 | 2015-07-15 | 上海西门子医疗器械有限公司 | Motor detection system, motor detection method, control panel, sickbed moving system and X-ray unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |