CN220404720U - Weight-reducing driving mechanism - Google Patents
Weight-reducing driving mechanism Download PDFInfo
- Publication number
- CN220404720U CN220404720U CN202321976985.2U CN202321976985U CN220404720U CN 220404720 U CN220404720 U CN 220404720U CN 202321976985 U CN202321976985 U CN 202321976985U CN 220404720 U CN220404720 U CN 220404720U
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- China
- Prior art keywords
- groove
- reel
- fixed pulley
- weight
- fixedly connected
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- 239000013585 weight reducing agent Substances 0.000 claims description 26
- 238000004804 winding Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
Abstract
The weight-reducing driving mechanism comprises a weight-reducing frame and a servo motor, wherein an output shaft of the servo motor is connected with a speed reducer, a reel is fixedly connected to the output shaft of the speed reducer, a pull rope is wound on the reel, a mounting plate is fixedly mounted on the weight-reducing frame in front of the reel, the bottom of a pressure sensor is fixedly connected to the mounting plate, the bottom of a U-shaped seat is fixedly connected to the pressure sensor, a first fixed pulley is rotatably mounted in the U-shaped seat, a second fixed pulley is rotatably mounted on a frame below the front of the first fixed pulley, and the second fixed pulley is lower than the first fixed pulley; the pull rope is pulled out from the lower part of the reel, and then is wound around the upper part of the first fixed pulley and then is wound around the lower part of the second fixed pulley. The height of the weight-reducing driving mechanism is greatly reduced after the structure is changed.
Description
Technical Field
The utility model relates to a weight-reducing mechanism used on weight-reducing training equipment, in particular to a weight-reducing driving mechanism, and belongs to the technical field of machinery.
Background
The weight reduction training is an effective mode for early rehabilitation training of patients with lower limb dysfunction caused by nerve injury, the weight reduction training generally adopts a motor to drive a reel, a certain upward pulling force (weight reduction force) is applied to a pull rope on the reel, the greater the pulling force is, the greater the weight of the weight reduction is, the smaller the supporting force required by legs of the patient is, the weight reduction training is completed through a weight reduction execution (driving) mechanism, a dynamic weight reduction device for rehabilitation service is disclosed in Chinese patent application number 2019217482033, the device comprises a weight reduction frame, the weight reduction frame is provided with a guide rail in the front-back direction, a weight reduction platform is arranged on the guide rail in a sliding manner, the weight reduction execution mechanism and a patient movement detection mechanism are arranged on the weight reduction platform, the weight reduction execution mechanism comprises a weight reduction motor, an output shaft of the weight reduction motor is directly or indirectly connected with the reel, the reel is connected with the reel frame in a rotating manner, a flexible rope body is wound on the reel, the inner end of the flexible rope body is fixedly connected with the reel, the flexible rope body is downwards after passing through the guide wheel, the guide block is fixedly connected with a weight reduction sensor is arranged on a guide block in a rotating manner, and the weight reduction platform is fixedly connected with a weight reduction side plate is arranged on the reel frame in a high-speed guide block in use, and the weight reduction execution part is fixedly connected with a weight reduction side plate is connected with a guide block in the aspect of the reel in the weight reduction platform. Firstly, the whole height (thickness) of the weight-reducing frame is larger, the thickness of the weight-reducing frame is not smaller than 260mm after the weight-reducing frame is integrally assembled, the height of the whole equipment is a bottom training part, a hanging part, the height of a patient and a reserved space, the whole height of the equipment is about 2.8m, the use of the equipment in some newer buildings in medical places is not problematic, but the height of many old hospital rooms is basically about 2.6 m, the equipment cannot be installed and used, the height needs to be compressed, and the space of about 200mm is difficult to compress from other parts without changing the design of the weight-reducing executing mechanism; secondly, in the winding design on the reel, the stay cord can transmit great force to the column, and loosening and abrasion occur at the position.
Disclosure of Invention
The present utility model has been made to solve the above-mentioned problems occurring in the conventional weight reduction actuator, and an object of the present utility model is to provide a thin weight reduction driving mechanism.
In order to achieve the purpose of the utility model, the following technical scheme is adopted: the weight-reducing driving mechanism comprises a weight-reducing frame and a servo motor, wherein an output shaft of the servo motor is connected with a speed reducer, a reel is fixedly connected to the output shaft of the speed reducer, a pull rope is wound on the reel, a mounting plate is fixedly mounted on the weight-reducing frame in front of the reel, the bottom of a pressure sensor is fixedly connected to the mounting plate, the bottom of a U-shaped seat is fixedly connected to the pressure sensor, a first fixed pulley is rotatably mounted in the U-shaped seat, a second fixed pulley is rotatably mounted on a frame below the front of the first fixed pulley, and the second fixed pulley is lower than the first fixed pulley; the pull rope is wound around the upper part of the first fixed pulley and then wound around the lower part of the second fixed pulley after being pulled out from the lower part of the reel;
the reel include the reel body of I shape, be the winding cylinder in the middle of the reel body, the both ends of cylinder have the face that keeps off, barrel chuck fixed connection is on the face that keeps off, set up the wire casing on the outer terminal surface of keeping off, the wire casing passes through rope hole and cylinder face intercommunication, the tangential direction of cylinder is followed to the rope hole, the wire casing is first groove from rope hole looks one side respectively, the second groove, the third groove, the width of first groove equals with the diameter of stay cord, the width of second groove is the twice of stay cord diameter, the width of third groove is greater than the second groove, the third groove runs through the face periphery that keeps off, the department that runs through forms breach A, the groove depth of third groove is less than the diameter of stay cord, barrel chuck perisporium on have the breach B that corresponds with breach A, barrel chuck bottom fixedly connected with boss near breach B department, the rope body rolls over the back and puts into third groove, in the second groove, the boss inserts between two ropes after rolling over, barrel chuck passes through axial screw fixed connection on the face that keeps off.
Further; a pair of guide rollers are rotatably installed between the reel and the first fixed pulley, and a pull rope passes through the space between the two guide rollers.
Further; the height of the weight-reducing driving mechanism is less than or equal to 116mm.
The utility model has the positive and beneficial technical effects that: the weight-reducing driving mechanism has greatly reduced height after changing the structure, is favorable for reducing the overall height of equipment, and has firm end fixing of the pull rope on the reel, and is not easy to loosen and damage.
Drawings
Fig. 1 is a schematic view of the present utility model from below.
Fig. 2 is a schematic view of the de-skew weight reduction frame and guide roller of fig. 1.
Fig. 3 is one of the discrete diagrams of the reel.
Fig. 4 is a second, separate, schematic illustration of the reel.
Fig. 5 is a schematic view of a trunking.
Detailed Description
In order to more fully explain the practice of the utility model, examples of the practice of the utility model are provided. These examples are merely illustrative of the present utility model and do not limit the scope of the utility model.
The utility model will be explained in further detail with reference to the accompanying drawings, in which: 1: a weight-reducing frame; 2: a servo motor; 3: a reel; 4: and the speed reducer is 5: a mounting plate; 6: a pressure sensor; 7: a U-shaped seat; 8: a second fixed pulley; 9: a guide rod; 10: a first fixed pulley; 10: a pull rope; 301: a cylinder; 302: a blocking surface; 303: a chuck; 304: rope holes; 305: a notch B;306: a boss; 307: a notch A;308: a first groove; 309: a second groove; 310: and a third groove.
As shown in the drawing, a weight-reducing driving mechanism comprises a weight-reducing frame 1 and a servo motor 2, wherein an output shaft of the servo motor is connected with a speed reducer 4; the first fixed pulley is higher than the cylindrical surface bottom of the reel, and the pull rope 10 bypasses the upper part of the first fixed pulley and then bypasses the lower part of the second fixed pulley after being pulled out from the lower part of the reel; the pull rope is upward after bypassing the second fixed pulley, and if the pull rope is downward, the fixed pulley is additionally arranged at the rear. A pair of guide rollers are rotatably installed between the reel and the first fixed pulley, and a pull rope passes through the space between the two guide rollers.
The reel include the spool body of I shape, be the winding cylinder 301 in the middle of the spool body, the both ends of cylinder have a fender face 302, barrel chuck 303 fixed connection is on the fender face, set up the wire casing on the outer terminal surface of fender face, the wire casing passes through rope hole 304 and cylinder face intercommunication, the tangential direction of rope hole along the cylinder, the stay cord can be along cylinder axial round by round arrangement like this when coiling, can more accurate obtain the reel rotation number and the length of stay cord corresponding, the wire casing is first groove 308 from rope hole to one side respectively, the second groove 309, the third groove 310, the width of first groove equals the diameter of stay cord, the width of second groove is the twice of stay cord diameter, the width of third groove is greater than the second groove, the third groove runs through the fender face periphery, the department of running through forms breach A307, the groove depth of third groove is less than the diameter of stay cord, barrel chuck week wall on have the breach B305 corresponding with breach A, barrel chuck bottom fixedly connected with boss 306 near breach B department, the rope body is put into the third groove, the second groove is folded into, insert in the boss behind two the second groove, the axial connection screw is passed through on the boss between two fender faces. Thus, the rope body is positioned in the third groove mainly by means of the pressure of the chuck and cannot be worn and broken.
The height of the weight-reducing driving mechanism is less than or equal to 116mm, and is reduced by more than half compared with the prior art.
Having described embodiments of the present utility model in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the utility model as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present utility model and the utility model is not limited to the embodiments as set forth in the specification.
Claims (3)
1. The utility model provides a subtract heavy actuating mechanism, includes subtracts heavy frame, servo motor, is connected with the reduction gear on servo motor's the output shaft, fixedly connected with reel on the output shaft of reduction gear, and stay cord is around establishing on the reel, its characterized in that: the weight-reducing frame in front of the reel is fixedly provided with a mounting plate, the bottom of the pressure sensor is fixedly connected to the mounting plate, the bottom of the U-shaped seat is fixedly connected to the pressure sensor, the U-shaped seat is rotatably provided with a first fixed pulley, the frame in front of and below the first fixed pulley is rotatably provided with a second fixed pulley, and the second fixed pulley is lower than the first fixed pulley; the pull rope is wound around the upper part of the first fixed pulley and then wound around the lower part of the second fixed pulley after being pulled out from the lower part of the reel;
the reel include the reel body of I shape, be the winding cylinder in the middle of the reel body, the both ends of cylinder have the face that keeps off, barrel chuck fixed connection is on the face that keeps off, set up the wire casing on the outer terminal surface of keeping off, the wire casing passes through rope hole and cylinder face intercommunication, the tangential direction of cylinder is followed to the rope hole, the wire casing is first groove from rope hole looks one side respectively, the second groove, the third groove, the width of first groove equals with the diameter of stay cord, the width of second groove is the twice of stay cord diameter, the width of third groove is greater than the second groove, the third groove runs through the face periphery that keeps off, the department that runs through forms breach A, the groove depth of third groove is less than the diameter of stay cord, barrel chuck perisporium on have the breach B that corresponds with breach A, barrel chuck bottom fixedly connected with boss near breach B department, the rope body rolls over the back and puts into third groove, in the second groove, the boss inserts between two ropes after rolling over, barrel chuck passes through axial screw fixed connection on the face that keeps off.
2. A weight reduction drive mechanism as defined in claim 1, wherein: a pair of guide rollers are rotatably installed between the reel and the first fixed pulley, and a pull rope passes through the space between the two guide rollers.
3. A weight reduction drive mechanism as defined in claim 1, wherein: the height of the weight-reducing driving mechanism is less than or equal to 116mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976985.2U CN220404720U (en) | 2023-07-26 | 2023-07-26 | Weight-reducing driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321976985.2U CN220404720U (en) | 2023-07-26 | 2023-07-26 | Weight-reducing driving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220404720U true CN220404720U (en) | 2024-01-30 |
Family
ID=89651728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321976985.2U Active CN220404720U (en) | 2023-07-26 | 2023-07-26 | Weight-reducing driving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220404720U (en) |
-
2023
- 2023-07-26 CN CN202321976985.2U patent/CN220404720U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |