CN2737407Y - Resistance device for electric machine - Google Patents
Resistance device for electric machine Download PDFInfo
- Publication number
- CN2737407Y CN2737407Y CN 200420053144 CN200420053144U CN2737407Y CN 2737407 Y CN2737407 Y CN 2737407Y CN 200420053144 CN200420053144 CN 200420053144 CN 200420053144 U CN200420053144 U CN 200420053144U CN 2737407 Y CN2737407 Y CN 2737407Y
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- cylinder
- servomotor
- utility
- model
- resistance
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Abstract
The utility model relates to a resistance device for electric motor. The utility model is characterized in that the utility model comprises a servomotor, a cylinder, a clutch between the servomotor and the cylinder, and a back guy binding on the cylinder, the cylinder is fixed to a bottom board through a bearing seat, and the servomotor is controlled by an existing servo controller and a computer; the utility model can realize the transmission connection between the servomotor and the cylinder by another transmission connection structure of two driving wheels and a belt between the two. The utility model has the advantages of small size, no noise, no pollution, conversion with isotonic contraction and isotonic dynamic resistance, true time regulation of resistance, large regulating range, improved speed stability, reasonable structure, being safe and reliable, small amount of maintenance, and strong interference immunity.
Description
Technical field
The utility model is a kind of motor drag devices that is used for athletic training, body-building and rehabilitation medical apparatus.
Background technology
In athletic training, body-building and rehabilitation medical apparatus, all to use various drag devices, at present on the domestic and international market roughly there be popular drag devices: the barbell chip, draw spring, rubber strip-type and fluid pressure type etc., for example draw the spring sources of resistance in the CN2041964U type comprehensive body exercising apparatus.But the sources of resistance of using in the existing training apparatus, its 26S Proteasome Structure and Function is comparatively simple, can not make things convenient for the size of also continuous adjustment training resistance, resistance in the instrumentation motion process in real time, more can't monitor and control various kinematic parameters, and very easily cause a series of injury gained in sports of trainer's pulled muscle, tendon injury or the like, had a strong impact on training effect.Though there is a kind of hydraulic cylinder type sources of resistance to come out recently, to move because of being difficult to simulate various special athletic trainings, and cause environmental pollution easily, its market prospects are also pessimistic.At present, the rise along with rehabilitation medical training and nationwide fitness programs has proposed digitlization, intelligentized requirement to the training sources of resistance, but these require all to be difficult to realize by above various forms of drag devices.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes prior art, for athletic training, body-building and rehabilitation medical apparatus provide a kind of a kind of motor drag devices that can adjust the resistance size in good time.
Basic principle of the present utility model is to pass through the drag-line indirectly-acting on servomotor when trainer's strength, make the servomotor counter-rotating, by controlling the motor speed signal that computer acquisition is arrived, the output torque of control servomotor in real time, and rely on existing servo controller and computer and between via A/D or D/A analog-to-digital conversion, by having pid control algorithm resistance that it produces can be changed with the difference of the convergent force of Different Individual or same individual different parts muscle.Firmly big, resistance is bigger, and firmly diminish (as the bone lever, be on a sticky wicket or during ailing mistake power), resistance also diminishes, and can avoid damage effectively, so be the most effective and safest drag loading.Thereby what realize to need waits dynamic resistance such as Zhang He, so this drag devices can carry out following setting easily: the switching of " waiting " and " wait and open " resistance type; The size that equity is opened training resistance presets; To the speed of sources of resistance and under the friction speed condition required resistance size regulate easily.Various kinematic parameters in the real-time demonstration training process and trainer's body parameter are convenient to the observation and the analysis of trainer, coach or medical control.
The utility model is made up of servomotor, cylinder and the shaft coupling between the two thereof and the drag-line that is wrapped on the cylinder, and cylinder is fixed on the base plate by bearing block, and servomotor then is controlled by existing servo controller and computer.
The utility model volume is little, resistance is adjustable, noiselessness, pollution-free, the conversion of dynamic resistance such as Zhang He such as has; Resistance is regulated in real time, and speed adjustable range is big, and speed stability is good, rational in infrastructure, safe and reliable, maintenance workload is little, advantages such as strong interference immunity can be widely used in the occasion that the treatment of physical fitness training, health-care recovery, scientific research apparatus equipment need resistance and power source.
Description of drawings
Fig. 1, basic structure schematic diagram of the present utility model.
Fig. 2, another basic structure schematic diagram of the present utility model.
Fig. 3, control structure schematic diagram of the present utility model.
Wherein: 1, bearing block, 2, drag-line, 3, cylinder, 4, shaft coupling, 5, servomotor, 6, power interface, 7, encoder interfaces.8, servo controller, 9, computer, 10, drive, 11, belt, 12, drive.
The specific embodiment
As Fig. 1, Fig. 3, the utility model is made up of servomotor 5, cylinder 3 and shaft coupling between the two 4 thereof and the drag-line 2 that is wrapped on the cylinder 3, cylinder 3 is fixed on the base plate M by bearing block 1, and servomotor 5 is controlled by corresponding existing servo controller 8 and computer 9.Here shaft coupling 4 is as the rigid draw bail between servomotor 5 and the cylinder 3.
As another embodiment is a soft draw bail form, and promptly relying on the driving coupling structure is the driving coupling that two drives 10,12 and belt therebetween 11 are realized between servomotor 5 and the cylinder 3, as Fig. 2.Servomotor 5 links to each other with drive 12, and drive 12 links to each other with drive 10 by belt 11, and drive 10 links to each other with cylinder 3 by bearing block 1, and flexible cable 2 is wrapped on the cylinder 3.Promptly on servomotor 5 and cylinder 3, fix a drive 10,12 respectively, by belt 11 interlock therebetween, and by the output torque of common servo controller 8 control servomotors 5 and control servomotor 5.Flexible cable 2 impels the servomotor counter-rotation, makes servomotor 5 be in on-position and can produce resistance, and the characteristic of resistance is that to act on the power of flexible cable end big more, and the resistance that servomotor provides is big more; It is more little around the power of bitter end to act on flexibility, and the resistance that servomotor provides is more little.Flexible cable 2 reaches the limit of slack rope behind the position, can finish training process and so forth.
During use, the power supply of 220V links to each other with power interface 6 by cable.Servo controller 8 links to each other with encoder interfaces 7 by the encoder cable, and drag-line 2 is wrapped on the cylinder 3, and active force F directly or indirectly acts on the drag-line that is wrapped in cylinder during training, forces servomotor 5 to be in on-position by external force, thereby resistance is provided.
Claims (2)
1 one kinds of motor drag devices, it is characterized in that it comprises servomotor (5), cylinder (3) and shaft coupling between the two (4) thereof and the drag-line (2) that is wrapped on the cylinder (3) is formed, cylinder (3) is fixed on the base plate by bearing block (1), and servomotor (5) is controlled by corresponding existing servo controller (8) and computer (9).
2 a kind of motor drag devices as claimed in claim 1 is characterized in that the driving coupling structure between servomotor (5) and the cylinder (3) is two drives (10), (12) and belt (11) therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053144 CN2737407Y (en) | 2004-08-18 | 2004-08-18 | Resistance device for electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420053144 CN2737407Y (en) | 2004-08-18 | 2004-08-18 | Resistance device for electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2737407Y true CN2737407Y (en) | 2005-11-02 |
Family
ID=35347322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420053144 Expired - Fee Related CN2737407Y (en) | 2004-08-18 | 2004-08-18 | Resistance device for electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2737407Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379779A (en) * | 2017-02-03 | 2018-08-10 | 明跃国际健康科技股份有限公司 | Paddling training device |
-
2004
- 2004-08-18 CN CN 200420053144 patent/CN2737407Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379779A (en) * | 2017-02-03 | 2018-08-10 | 明跃国际健康科技股份有限公司 | Paddling training device |
| CN108379779B (en) * | 2017-02-03 | 2019-11-26 | 明跃国际健康科技股份有限公司 | Paddling training device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051102 Termination date: 20090918 |