CN113143695A - Weight reduction device for rehabilitation training and limb rehabilitation system - Google Patents
Weight reduction device for rehabilitation training and limb rehabilitation system Download PDFInfo
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- CN113143695A CN113143695A CN202110409713.3A CN202110409713A CN113143695A CN 113143695 A CN113143695 A CN 113143695A CN 202110409713 A CN202110409713 A CN 202110409713A CN 113143695 A CN113143695 A CN 113143695A
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- 239000013585 weight reducing agent Substances 0.000 title claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000005484 gravity Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims description 18
- 230000004580 weight loss Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 208000016261 weight loss Diseases 0.000 description 95
- 210000003414 extremity Anatomy 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 210000003141 lower extremity Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005021 gait Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/008—Appliances for aiding patients or disabled persons to walk about using suspension devices for supporting the body in an upright walking or standing position, e.g. harnesses
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00181—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices comprising additional means assisting the user to overcome part of the resisting force, i.e. assisted-active exercising
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
- A63B23/0464—Walk exercisers without moving parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H2003/007—Appliances for aiding patients or disabled persons to walk about secured to the patient, e.g. with belts
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a weight reduction device for rehabilitation training and a limb rehabilitation system. The rehabilitation training weight reduction device comprises a fixed frame, a moving seat, a hoisting rope, a weight reduction elastic part and a gravity compensation mechanism, and the fixed frame is defined to have the vertical direction; the movable seat is slidably arranged on the fixed frame along the up-down direction, and one end of the hoisting rope is connected to the movable seat; the weight-reducing elastic part is connected with the fixed frame and the movable seat; the gravity compensation mechanism comprises a compensation elastic part, the compensation elastic part is defined to have two ends which are oppositely arranged, the two opposite ends of the compensation elastic part are respectively and rotatably connected with the fixed frame and the movable seat, the extension direction and the up-down direction of the compensation elastic part are vertically arranged, and when the movable seat slides up and down relative to the fixed frame, the compensation elastic part can be driven by the movable seat to rotate to incline upwards or downwards. The technical scheme of the invention can improve the weight reduction effect of the weight reduction device for the rehabilitation training in the rehabilitation training process.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a rehabilitation training weight reduction device and a limb rehabilitation system using the same.
Background
At present, a limb rehabilitation system comprises a lower limb body rehabilitation training machine and a rehabilitation training weight reduction device. The lower limb rehabilitation training machine can be used for driving the lower limbs of the patient to simulate normal gait movement; the rehabilitation training weight reduction device can be used for reducing weight of a patient in the rehabilitation training process so as to improve the accuracy and efficiency of gait training. The rehabilitation training weight reduction device in the related art generally adopts a single spring to buffer and reduce weight for a patient, and the structure of the rehabilitation training weight reduction device is simple. However, in the process of rehabilitation training, along with the up-and-down floating of the gravity center of the body of the patient, the spring can be correspondingly extended or shortened, so that the weight reduction value of the rehabilitation training weight reduction device on the patient can greatly fluctuate along with the floating of the gravity center of the patient, and the weight reduction effect of the rehabilitation training weight reduction device in the process of rehabilitation training is reduced.
Disclosure of Invention
The invention mainly aims to provide a rehabilitation training weight reduction device, aiming at improving the weight reduction effect of the rehabilitation training weight reduction device in the rehabilitation training process.
In order to achieve the above object, the weight reduction device for rehabilitation training provided by the present invention comprises:
a fixing frame defining the fixing frame to have an up-down direction;
the movable seat is arranged on the fixed frame in a sliding manner along the vertical direction;
one end of the hoisting rope is connected to the moving seat;
the weight-reducing elastic piece is connected with the fixed frame and the movable seat; and
gravity compensation mechanism, gravity compensation mechanism includes compensation elastic component, defines compensation elastic component has the both ends that are relative setting, the relative both ends of compensation elastic component rotationally connect respectively in the mount with remove the seat, just the extending direction and the upper and lower direction of compensation elastic component are perpendicular setting remove the seat for when the mount slides from top to bottom, compensation elastic component can by remove the seat and drive and rotate to the slope upwards or downwards.
In an embodiment of the present invention, the gravity compensation mechanism further includes a rotating arm, which is defined to have two ends disposed oppositely;
one end of the rotating arm is rotatably connected to the fixed frame, the other end of the rotating arm extends along the extending direction of the compensation elastic piece and is rotatably connected to one end, far away from the moving seat, of the compensation elastic piece, and the rotating arm is further rotatably connected to the moving seat.
In an embodiment of the present invention, a distance between an end of the rotating arm rotatably connected to the fixed frame and a rotating axis of the rotating arm rotatably connected to the movable base is defined as D1, and a distance between an end of the rotating arm rotatably connected to the compensation elastic element and a rotating axis of the rotating arm rotatably connected to the movable base is defined as D2, which satisfies the following relationship: d1 < D2;
and/or the rotating arm and the compensation elastic piece are sequentially distributed in the horizontal direction perpendicular to the extending direction of the elastic piece;
and/or the fixed frame is provided with a first angle plate, the movable seat is provided with a second angle plate, and the rotating arm is rotatably connected with the first angle plate and the second angle plate;
and/or the rotating arm is provided with a first shaft rod, the moving seat is provided with a second shaft rod, and the two opposite ends of the compensation elastic part are respectively hooked on the first shaft rod and the second shaft rod.
In an embodiment of the present invention, at least two gravity compensation mechanisms are provided, and at least two gravity compensation mechanisms are uniformly spaced around the center of the movable base.
In an embodiment of the present invention, the fixing frame includes:
the fixing plate is provided with an avoiding opening penetrating through the upper surface and the lower surface of the fixing plate;
the upper top plate is arranged above the fixed plate; and
one end of the supporting rod is connected to the surface, facing the fixed plate, of the upper top plate, and the other end of the supporting rod extends in the direction facing the fixed plate and penetrates through the avoidance opening;
the movable seat is movably sleeved on the supporting rod and located below the fixed plate, two opposite ends of the weight-reducing elastic piece are respectively abutted to the upper top plate and the movable seat, and one end, far away from the movable seat, of the compensation elastic piece is rotatably connected to the fixed plate.
In an embodiment of the invention, it is defined that the hoisting rope has a first end and a second end which are oppositely arranged, the first end of the hoisting rope is connected to the moving seat, the upper top plate is provided with an avoidance port, and the second end of the hoisting rope sequentially penetrates through the avoidance port and the avoidance port.
In an embodiment of the present invention, a second end of the hoisting rope is provided with a chest bandage;
and/or a tension sensor is also arranged at the second end of the hoisting rope;
and/or the rehabilitation training weight reduction device further comprises a first fixed pulley, and the second end of the hoisting rope is wound around the first fixed pulley.
In an embodiment of the invention, the rehabilitation training weight reduction device further comprises a winding mechanism, wherein the winding mechanism comprises a first driving part and a winding wheel, and the winding wheel is connected to the first driving part and can be driven by the first driving part to rotate;
the movable seat faces the surface of the fixed plate is provided with a second fixed pulley, and the first end of the hoisting rope bypasses the second fixed pulley and sequentially passes through the avoiding opening and the passing opening to penetrate out to be connected with the winding wheel.
In an embodiment of the invention, the rehabilitation training weight reduction device further includes a third fixed pulley, and the first end of the hoisting rope passes through the yielding opening and then passes around the third fixed pulley.
In an embodiment of the invention, the rehabilitation training weight reduction device further includes a base and an adjusting mechanism, the fixing plate is connected to the base, the adjusting mechanism includes a second driving member, the second driving member is disposed on the base and connected to one end of the support rod away from the upper top plate, and the second driving member slides up and down on the support rod.
The invention also provides a limb rehabilitation system, which comprises a rehabilitation training weight reduction device, wherein the rehabilitation training weight reduction device comprises a fixed frame, a movable seat, a weight reduction elastic part and a gravity compensation mechanism, and the fixed frame is defined to have an up-down direction; the movable seat is arranged on the fixed frame in a sliding way along the up-down direction; the weight-reducing elastic part is connected with the fixed frame and the movable seat; the gravity compensation mechanism comprises a compensation elastic part, the compensation elastic part is defined to have two ends which are oppositely arranged, the two opposite ends of the compensation elastic part are respectively and rotatably connected with the fixed frame and the movable seat, the extension direction and the up-down direction of the compensation elastic part are vertically arranged, and when the movable seat slides up and down relative to the fixed frame, the compensation elastic part can be driven by the movable seat to rotate to incline upwards or downwards.
When the rehabilitation training weight reduction device provided by the technical scheme is used, a patient can be hoisted through one end of the hoisting rope far away from the moving seat. And because the weight reduction elastic part is arranged between the movable seat and the fixed frame, the weight reduction elastic part can apply elasticity to the movable seat to enable the movable seat to be balanced in stress and limited, namely the gravity of a patient is offset by the upward force of the lifting rope acting on the movable seat, so that the weight reduction of the rehabilitation training weight reduction device on the patient in the rehabilitation training process is realized.
In addition, the weight reduction device for rehabilitation training in the scheme further comprises a gravity compensation mechanism, and when the movable seat slides up and down relative to the fixed frame, so that the weight reduction elastic part extends or shortens to change the elasticity, the compensation elastic part of the gravity compensation mechanism can be driven by the movable seat in time to rotate to incline upwards or downwards. The elastic force direction of the compensation elastic piece is changed to be upward or downward, so that the weight reduction value of the patient is compensated by the rehabilitation training weight reduction device and is maintained in the initial weight reduction value state. So compare in prior art and subtract heavy device of rehabilitation training and only cushion through single spring for the patient and subtract heavy, and make it subtract heavy value to the patient and can appear great fluctuation along with the unsteady appearance of patient's focus, the rehabilitation training of this scheme subtracts heavy device makes it comparatively stable to the heavy value of subtracting of patient through gravity compensation mechanism, has avoided buffering to subtract the patient and has produced great fluctuation in the heavy in-process, thereby has improved the rehabilitation training and has subtracted the heavy effect of device subtracting in the rehabilitation training process. In addition, the weight reduction device for rehabilitation training in the scheme passively realizes the compensation of the weight reduction value through a mechanical structure without arranging a corresponding circuit and the like for control. Therefore, the structure of the weight reduction device for rehabilitation training is simpler, the performance is relatively stable, and the safety and reliability of the work of the weight reduction device for rehabilitation training are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a rehabilitation training weight reduction device according to the invention;
FIG. 2 is a schematic structural diagram of the rehabilitation training weight reduction device in an initial state of the gravity compensation mechanism;
FIG. 3 is a schematic view of a partial structure of a gravity compensation mechanism of the weight loss device for rehabilitation training in an initial state;
FIG. 4 is a schematic structural diagram of the weight reduction device for rehabilitation training according to the present invention, in which the gravity compensation mechanism is in a negative compensation state;
FIG. 5 is a schematic view of a partial structure of a gravity compensation mechanism of a weight loss device for rehabilitation training according to the present invention in negative compensation;
FIG. 6 is a schematic structural diagram of the rehabilitation training weight reduction device in a positive compensation state of the gravity compensation mechanism according to the present invention;
fig. 7 is a partial structural schematic diagram of the gravity compensation mechanism of the rehabilitation training weight reduction device in forward compensation.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
431 | |
| 11 | |
50 | |
| 13 | |
51 | |
| 131 | |
53 | |
| 15 | |
60 | First |
| 151 | |
70 | |
| 17 | Support rod | 71 | |
| 19 | Lower |
73 | |
| 20 | |
80 | Third |
| 21 | |
91 | |
| 23 | |
93 | Adjusting |
| 25 | Second fixed |
931 | |
| 30 | Weight-reducing |
933 | |
| 40 | |
935 | Screw |
| 41 | Compensating |
937 | Pulley set |
| 43 | Rotating arm |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a weight reduction device for rehabilitation training.
Referring to fig. 1, fig. 2 and fig. 3, in an embodiment of the present invention, the rehabilitation training weight reduction device includes a fixed frame 10, a movable base 20, a hoisting rope 50, a weight reduction elastic member 30 and a gravity compensation mechanism 40, defining that the fixed frame 10 has an up-down direction; the movable seat 20 is slidably disposed on the fixed frame 10 along the up-down direction, and one end of the hoisting rope 50 is connected to the movable seat 20; the weight-reducing elastic member 30 is connected to the fixed frame 10 and the movable base 20; the gravity compensation mechanism 40 includes a compensation elastic element 41, wherein the compensation elastic element 41 has two opposite ends, the two opposite ends of the compensation elastic element 41 are rotatably connected to the fixed frame 10 and the movable base 20, and the extension direction and the vertical direction of the compensation elastic element 41 are vertically arranged, and when the movable base 20 slides up and down relative to the fixed frame 10, the compensation elastic element 41 can be driven by the movable base 20 to rotate to incline upwards or downwards.
In an embodiment of the present invention, the fixing frame 10 may be used to mount the movable base 20 and the weight-reduction elastic member 30, etc., so that the parts may be assembled into a whole. In order to ensure the strength of the fixing frame 10, the fixing frame 10 may be made of a metal material. In order to improve the convenience of the molding and manufacturing of the fixing frame 10, the projection of the fixing frame 10 on the horizontal plane may be substantially a square structure or a circular structure, so that the shape of the fixing frame 10 is regular and the molding and manufacturing are convenient. The movable seat 20 may be adapted to cooperate with the fixed frame 10 to elastically abut against the weight-reducing elastic member 30, so that the movable seat 20 may be limited to a certain height by the elastic force of the weight-reducing elastic member 30. The movable base 20 may be substantially a plate-shaped structure, so that the movable base 20 has a simple structure and is easy to manufacture, and the weight thereof is relatively light, thereby being beneficial to reducing the overall weight of the weight reduction device for rehabilitation training. Of course, the present application is not limited thereto, and in other embodiments, the movable base 20 may be substantially in the shape of a long block or other shapes. The lifting rope 50 can be used to lift the patient to reduce the weight that the patient is subjected to while performing rehabilitation exercises. The weight-reducing elastic member 30 may be used to apply an elastic force to the movable base 20 to counteract the force of the gravity of the patient on the movable base 20 through the hoisting rope 50, or to indirectly support the gravity of the patient to reduce the weight of the patient. The weight-reducing elastic member 30 may be a compression spring, so that the fixed frame 10, the movable seat 20, the weight-reducing elastic member 30, and the like are distributed more compactly, which is beneficial to reducing the overall volume of the rehabilitation training weight-reducing device. Of course, the present application is not limited thereto, and the weight-reducing elastic member 30 may also be a tension spring or other plastic member with certain elasticity, so as to ensure that the weight-reducing elastic member 30 can apply a downward elastic force to the movable base 20 to counteract an upward force applied to the movable base 20 by the patient through lifting and retracting. The compensation elastic member 41 of the gravity compensation mechanism 40 can be used for changing the installation direction along with the up-and-down sliding of the movable base 20, thereby changing the elastic direction thereof to compensate the upward or downward force on the movable base 20. The specific compensation process of the compensation elastic element 41 for the weight reduction value of the weight reduction elastic element 30 may be as follows: the weight-reducing elastic element 30 is a compression spring and is compressed by the fixed frame 10 and the movable seat 20. Referring to fig. 4 and 5 in combination, when the moving seat 20 moves upward to shorten the weight-reducing elastic member 30 and increase the elastic force, the weight-reducing value of the weight-reducing elastic member 30 to the patient is increased. At this time, the compensation elastic member 41 of the gravity compensation mechanism 40 rotates to incline upwards as the movable base 20 ascends, so that the elastic force of the compensation elastic member 41 can face upwards, the direction is opposite to the elastic force of the compensation elastic member 41, and the weight reduction elastic member 30 offsets the increased weight reduction value of the patient, thereby the rehabilitation training weight reduction device keeps the weight reduction value of the patient stable. Referring to fig. 6 and 7 in combination, when the moving seat 20 moves downward to extend the weight-reducing elastic member 30 and reduce the elastic force, the weight-reducing value of the weight-reducing elastic member 30 to the patient is reduced. At this time, the compensation elastic member 41 of the gravity compensation mechanism 40 rotates to incline downward as the movable base 20 descends, so that the elastic force of the compensation elastic member 41 can be directed downward in the same direction as the elastic force of the compensation elastic member 41 to overlap with the increased weight reduction value of the patient by the weight reduction elastic member 30, thereby stabilizing the weight reduction value of the patient by the rehabilitation training weight reduction device. Of course, in other embodiments, the specific compensation process of the compensation elastic element 41 for the weight reduction value of the weight reduction elastic element 30 may also be: under the condition that the weight-reducing elastic member 30 is a tension spring and is stretched by the fixed frame 10 and the movable seat 20 in a matching manner, when the movable seat 20 moves upwards to extend the weight-reducing elastic member 30 to increase the elastic force, the weight-reducing value of the weight-reducing elastic member 30 to the patient is increased. At this time, the compensation elastic member 41 of the gravity compensation mechanism 40 rotates to incline upwards as the movable base 20 ascends, so that the elastic force of the compensation elastic member 41 can face upwards, the direction is opposite to the elastic force of the compensation elastic member 41, and the weight reduction elastic member 30 offsets the increased weight reduction value of the patient, thereby the rehabilitation training weight reduction device keeps the weight reduction value of the patient stable. And when the moving seat 20 moves downward so that the weight-reducing elastic member 30 is shortened to reduce the elastic force, the weight-reducing value of the weight-reducing elastic member 30 to the patient is reduced. At this time, the compensation elastic member 41 of the gravity compensation mechanism 40 rotates to incline downward as the movable base 20 descends, so that the elastic force of the compensation elastic member 41 can be directed downward in the same direction as the elastic force of the compensation elastic member 41 to overlap with the increased weight reduction value of the patient by the weight reduction elastic member 30, thereby stabilizing the weight reduction value of the patient by the rehabilitation training weight reduction device.
When the rehabilitation training weight reduction device provided by the technical scheme is used, a patient can be hoisted through one end of the hoisting rope 50 far away from the moving seat 20. Because the weight-reducing elastic part 30 is arranged between the movable seat 20 and the fixed frame 10, the weight-reducing elastic part 30 can apply elastic force to the movable seat 20 to enable the movable seat 20 to be balanced in stress and limited, namely the gravity of the patient is offset by the upper force of the lifting rope 50 acting on the movable seat 20, so that the weight reduction of the rehabilitation training weight-reducing device on the patient in the rehabilitation training process is realized.
Moreover, the weight reduction device for rehabilitation training in the present embodiment further includes a gravity compensation mechanism 40, and when the movable base 20 slides up and down relative to the fixed frame 10 so that the weight reduction elastic member 30 extends or shortens to change the elastic force, the compensation elastic member 41 of the gravity compensation mechanism 40 can be timely driven by the movable base 20 to rotate to incline upwards or downwards. The elastic direction of the compensation elastic member 41 is changed to be upward or downward, so as to compensate the weight loss value of the patient by the rehabilitation training weight loss device and maintain the state of the initial weight loss value. So compare among the prior art rehabilitation training subtract heavy device and only cushion through single spring for the patient and subtract heavy, and make it subtract heavy value to the patient and can appear great fluctuation along with the unsteady appearance of patient's focus, the rehabilitation training subtract heavy device in this scheme makes it comparatively stable to the heavy value of subtracting of patient through gravity compensation mechanism 40, has avoided buffering to subtract the patient and has produced great fluctuation in the heavy in-process, thereby has improved the rehabilitation training and has subtracted the heavy effect of device in the rehabilitation training in-process. In addition, the weight reduction device for rehabilitation training in the scheme passively realizes the compensation of the weight reduction value through a mechanical structure without arranging a corresponding circuit and the like for control. Therefore, the structure of the weight reduction device for rehabilitation training is simpler, the performance is relatively stable, and the safety and reliability of the work of the weight reduction device for rehabilitation training are improved.
Referring to fig. 4 and fig. 5, in an embodiment of the present invention, the gravity compensation mechanism 40 further includes a rotating arm 43, which defines the rotating arm 43 having two ends disposed oppositely; one end of the rotating arm 43 is rotatably connected to the fixed frame 10, and the other end extends along the extending direction of the compensation elastic element 41 and is rotatably connected to one end of the compensation elastic element 41 away from the movable base 20, and the rotating arm 43 is further rotatably connected to the movable base 20.
It will be appreciated that the rotation arm 43 can provide a guiding reinforcement for the compensation spring 41, reducing the possibility of the compensation spring 41 bending during being carried by the movable seat 20. This advantageously ensures that the spring force of the compensating spring 41 acts on the mobile seat 20 in the direction of extension of the compensating spring 41, thereby ensuring a compensating effect of the compensating spring 41 on the weight reduction of the weight reduction spring 30. The rotating arm 43 may be a substantially strip-shaped plate structure, so as to be rotatably connected to the fixed frame 10, the compensation elastic element 41, and the movable base 20. Of course, the present application is not limited thereto, and in other embodiments, the rotating arm 43 may also be a substantially elongated round rod-shaped structure. At this time, the compensating elastic member 41 may be a tension spring, that is, the elastic force of the compensating elastic member 41 is applied toward the center from the end thereof. Of course, when the gravity compensation mechanism 40 does not include the rotating arm 43, that is, when both ends of the compensation elastic member 41 are directly and rotatably connected to the fixed frame 10 and the movable base 20, respectively, the compensation elastic member 41 may be a compression spring.
Referring to fig. 6, in an embodiment of the present invention, a distance D1 between an end of the rotating arm 43 rotatably connected to the fixed frame 10 and an axis of the rotating arm 43 rotatably connected to the movable base 20 is defined, and a distance D2 between an end of the rotating arm 43 rotatably connected to the compensation elastic element 41 and an axis of the rotating arm 43 rotatably connected to the movable base 20 satisfies the following relationship: d1 < D2.
It will be appreciated that the end of the pivoting arm 43 close to the mobile seat 20, which is arranged to connect the pivoting arm 43 in pivoting manner to the pivoting axis of the mobile seat 20, makes the amplitude of the pivoting movement of the compensating elastic element 41 during the lifting and lowering operations with the mobile seat 20 relatively small. The amount of stretching of the compensation spring 41 can be made relatively small, which is advantageous in reducing the stiffness of the compensation spring 41 and extending the service life. Of course, the present application is not limited thereto, and in other embodiments, the distance D1 between the end of the rotating arm 43 rotatably connected to the fixed frame 10 and the rotating axis of the rotating arm 43 rotatably connected to the movable base 20 may be greater than or equal to the distance D2 between the end of the rotating arm 43 rotatably connected to the compensation elastic element 41 and the rotating axis of the rotating arm 43 rotatably connected to the movable base 20.
Referring to fig. 5, in an embodiment of the present invention, the rotating arm 43 and the compensation elastic member 41 are sequentially distributed in a horizontal direction perpendicular to an extending direction of the elastic member.
It can be understood that the rotating arm 43 and the compensation elastic member 41 are arranged side by side in the horizontal direction perpendicular to the extending direction of the elastic member, so that the rotating arm 43 and the compensation elastic member 41 can be distributed more compactly, thereby being beneficial to reducing the whole volume of the rehabilitation training weight reducing device. Of course, the present application is not limited thereto, and in other embodiments, the rotating arm 43 and the compensation elastic element 41 may be distributed in sequence in the extending direction of the elastic element.
Referring to fig. 4 and 5, in an embodiment of the present invention, the fixing frame 10 is provided with a first angle plate 11, the movable seat 20 is provided with a second angle plate 21, and the rotating arm 43 is rotatably connected to the first angle plate 11 and the second angle plate 21.
It can be understood that the fixed frame 10 and the movable seat 20 are respectively connected with the rotating arm 43 through the first angle plate 11 and the second angle plate 21, and the first angle plate 11 and the second angle plate 21 can both be of a generally L-shaped structure, so that the structure for rotatably connecting with the rotating arm 43 can be conveniently arranged on the first angle plate 11 and the second angle plate 21, thereby being beneficial to improving the convenience of installing the rotating arm 43. The rotational connection between the rotating arm 43 and the first angle plate 11 and the second angle plate 21 can be a combination of a rotating shaft and a shaft hole. That is, one of the pivot shaft and the shaft hole may be provided on the pivot arm 43, and the other of the pivot shaft and the shaft hole may be provided on the first angle plate 11 and the second angle plate 21. At the moment, the rotating shaft is inserted into the shaft hole, so that the rotating connection between the rotating shaft and the shaft hole can be realized, and the rotating connection structure is simpler. Of course, a bearing is further embedded in the shaft hole, and the rotating shaft can be inserted into the bearing, so as to improve the smoothness of the rotating process of the rotating arm 43. In addition, the first angle plate 11 and the second angle plate 21 can be detachably connected to the fixed frame 10 and the movable base 20, respectively, so that the rotating arm 43 can be detached from the fixed frame 10 and the movable base 20 when damage occurs, thereby improving convenience of maintenance and replacement. The first angle plate 11 and the second angle plate 21 can be respectively connected to the fixed frame 10 and the movable base 20 by screws or buckles, so as to simplify the assembling and disassembling process of the first angle plate 11 and the second angle plate 21 and improve the assembling and disassembling efficiency.
Referring to fig. 3 and 5, in an embodiment of the present invention, the rotating arm 43 is provided with a first shaft 431, the movable base 20 is provided with a second shaft 23, and opposite ends of the compensation elastic member 41 are respectively hooked to the first shaft 431 and the second shaft 23.
It is understood that the first shaft 431 and the second shaft 23 are disposed such that opposite ends of the compensating elastic member 41 can be directly hooked to the first shaft 431 and the second shaft 23. In this way, it is not necessary to additionally provide a structure for connecting the first shaft 431 and the second shaft 23 to the compensating elastic member 41, thereby simplifying the structure of the compensating elastic member 41. Of course, the present application is not limited thereto, and in other embodiments, bushings for rotatably connecting the first shaft 431 and the second shaft 23 may be welded to opposite ends of the compensation elastic member 41. In addition, the gravity compensation mechanism 40 may include two rotating arms 43 and two compensation elastic members 41, wherein the two rotating arms 43 are rotatably connected to the fixed frame 10 and the base and are oppositely disposed in the width direction of the rotating arms 43, and a compensation elastic member is disposed on one side of one rotating arm 43 facing the other rotating arm 43. This is advantageous in order to ensure the compensation effect of the gravity compensation mechanism on the weight reduction value of the weight reduction spring 30 by increasing the number of the pivot arms 43 and the compensation springs 41. In this case, the number of the second shaft 23 may be one, and one ends of the two supplementary elastic members, which are far from the first shaft 431 hooked on the rotating arm 43, are respectively hooked on opposite ends of the second shaft 23.
Referring to fig. 2 and 3, in an embodiment of the present invention, at least two gravity compensation mechanisms 40 are provided, and the at least two gravity compensation mechanisms 40 are uniformly spaced around the center of the movable base 20.
It can be understood that at least two gravity compensation mechanisms 40 are uniformly distributed at intervals, so that when the compensation elastic part 41 of the gravity compensation mechanism 40 rotates to incline upwards or incline downwards, the component forces of the compensation elastic part 41 in the horizontal direction can be mutually offset, so that the rehabilitation training weight reducing device is not stressed in the horizontal direction, and the stability of the rehabilitation training weight reducing device is improved. Of course, in other embodiments, it is also possible to provide other mechanisms on one side of the rehabilitation training weight reduction device to counteract the component force of the compensation elastic member 41 of the gravity compensation mechanism 40 in the horizontal direction.
Referring to fig. 1, in an embodiment of the present invention, the fixing frame 10 includes a fixing plate 13, an upper top plate 15 and a supporting rod 17, wherein the fixing plate 13 is provided with an avoiding opening 131 penetrating through upper and lower surfaces thereof; the upper top plate 15 is arranged above the fixed plate 13; one end of the supporting rod 17 is connected to the surface of the upper top plate 15 facing the fixing plate 13, and the other end extends in the direction facing the fixing plate 13 and passes through the avoiding opening 131; the movable base 20 is movably sleeved on the support rod 17 and located below the fixed plate 13, opposite ends of the weight-reduction elastic member 30 respectively abut against the upper top plate 15 and the movable base 20, and an end of the compensation elastic member 41 away from the movable base 20 is rotatably connected to the fixed plate 13.
It will be understood that the provision of the compensation elastic member 41 between the fixed plate 13 and the moving seat 20 makes it possible to arrange the fixed plate 13 and the moving seat 20 relatively close to each other to facilitate the provision of the compensation elastic member 41 therebetween. And the weight-reducing elastic element 30 is arranged between the upper top plate 15 and the moving seat 20, so that a certain distance is reserved between the fixed plate 13 and the moving seat 20, and the weight-reducing elastic element 30 with a certain length can be arranged, so that the weight-reducing elastic element 30 has certain elasticity to apply certain elasticity to the moving seat 20, and the patient can be stably limited when being hoisted. In this case, the first angle plate 11 may be provided on a surface of the fixed plate 13 facing the movable base 20, and the second angle plate 21 may be provided on a surface of the movable base 20 facing the fixed plate 13. In order to improve the stable elastic force exerted by the weight-reducing elastic member 30 on the movable seat 20, the weight-reducing elastic member 30 may be sleeved outside the supporting rod 17, so that it is not necessary to additionally provide a connecting structure for the weight-reducing elastic member 30 to mount and fix the weight-reducing elastic member, and the weight-reducing elastic member 30 is directly limited by the upper top plate 15, the movable seat 20 and the supporting rod 17, thereby facilitating the improvement of the convenience in mounting the weight-reducing elastic member 30. In addition, it should be noted that the present application is not limited thereto, and in other embodiments, the fixing frame 10 may only include the fixing plate 13 and the supporting rod 17, and at this time, the upper end of the supporting rod 17 is connected to the lower surface of the fixing plate 13; the movable base 20 is movably sleeved on the support rod 17 and located below the fixed plate 13, and opposite ends of the weight-reducing elastic member 30 abut against the fixed plate 13 and the movable base 20, respectively.
Referring to fig. 1, in an embodiment of the present invention, a hoisting rope 50 is defined to have a first end and a second end that are oppositely disposed, the first end of the hoisting rope 50 is connected to the moving seat 20, the upper ceiling 15 is provided with an passing-out opening 151, and the second end of the hoisting rope 50 sequentially passes through the passing-out opening 131 and the passing-out opening 151.
It can be understood that the second end of the hoisting rope 50 sequentially passes through the avoiding opening 131 and the avoiding opening 151, so that the possibility of interference between the hoisting rope 50 and the weight-reducing elastic member 30 and the gravity compensation mechanism 40 can be reduced, and the normal and stable operation of the rehabilitation training weight-reducing device can be ensured. Of course, the application is not limited thereto, and in the embodiment, the second end of the hoisting rope 50 may pass through between the fixed plate 13 and the movable seat 20.
Referring to fig. 1, in an embodiment of the present invention, a chest bandage 51 is disposed at the second end of the hoisting rope 50.
It can be understood that the chest bandage 51 can be well and stably bound with the patient, thereby being beneficial to improving the convenience of the hoisting rope 50 for hoisting the patient. Of course, the present application is not limited thereto, and in other embodiments, the second end of the hoisting rope 50 may be directly used for binding with the body of the patient.
Referring to fig. 1, in an embodiment of the present invention, a tension sensor 53 is further disposed at the second end of the hoisting rope 50.
It can be understood that the tension sensor 53 can detect and display the tension on the hoisting rope 50, so that medical personnel can visually see the weight reduction value of the rehabilitation training weight reduction device to the patient to know the working state of the rehabilitation training weight reduction device, and the subsequent rehabilitation training of the patient can be accurately guided and arranged. Wherein the chest bandage 51 is more terminal than the tension sensor 53 at the second end of the hoisting cord 50.
Referring to fig. 1, in an embodiment of the present invention, the rehabilitation training weight reduction device further includes a first fixed pulley 60, and the second end of the hoisting rope 50 passes around the first fixed pulley 60.
It can be understood that the direction of the second end of the hoisting rope 50 can be changed smoothly through the first fixed pulley 60, and the possibility of abrasion and damage of the hoisting rope 50 in the pulling process is reduced, so that the normal and stable operation of the rehabilitation training weight reduction device is ensured.
Referring to fig. 1, in an embodiment of the present invention, the rehabilitation training weight reduction device further includes a winding mechanism 70, the winding mechanism 70 includes a first driving member 71 and a winding wheel 73, the winding wheel 73 is connected to the first driving member 71 and can be driven by the first driving member 71 to rotate; the surface of the moving seat 20 facing the fixed plate 13 is provided with a second fixed pulley 25, and the first end of the hoisting rope 50 passes around the second fixed pulley 25 and sequentially passes through the avoiding opening 131 and the passing opening 151 to be connected to the winding wheel 73.
It can be understood that the first end of the hoisting rope 50 can be wound on the winding wheel 73 or gradually released from the winding wheel 73 by driving the winding wheel 73 to rotate by the first driving element 71, so that the initial length of the hoisting rope 50 before the rehabilitation training weight reducing device works can be adjusted. Meanwhile, the hoisting rope 50 is tightened by driving the winding wheel 73 to rotate, so that the patient can be hoisted and limited at a certain height. The first driving member 71 may be a motor.
Referring to fig. 1, in an embodiment of the present invention, the rehabilitation training weight reduction device further includes a third fixed pulley 80, and the first end of the hoisting rope 50 passes through the yielding opening 151 and then passes around the third fixed pulley 80.
It can be understood that the first end of the hoisting rope 50 can be smoothly changed in direction by the third fixed pulley 80, so as to facilitate the connection between the hoisting rope 50 and the winding wheel 73. At the same time, the possibility of wear damage to the first end of the hoisting rope 50 and other objects is reduced.
Referring to fig. 1, in an embodiment of the present invention, the rehabilitation training weight reduction device further includes a base 91 and an adjusting mechanism 93, the fixing plate 13 is connected to the base 91, the adjusting mechanism 93 includes a second driving member 931, the second driving member 931 is disposed on the base 91 and connected to an end of the supporting rod 17 away from the top plate 15, and the second driving member 931 slides up and down on the supporting rod 17.
It can be understood that the supporting rod 17 is driven by the second driving member 931 to slide up and down, so as to drive the upper top plate 15 to move along with the supporting rod. That is, the distance between the upper top plate 15 and the movable base 20 is changed, thereby achieving the adjustment of the pre-spring force of the weight-reducing spring 30. The second driving member 931 may be a cylinder or a linear motor. In order to facilitate the abutting driving of the second driving element 931 and the supporting rod 17, the fixing frame 10 may further include a lower top plate 19, the lower top plate 19 is connected to an end of the supporting rod 17 far away from the upper top plate 15, and the second driving element 931 may be directly connected to the lower top plate 19. Further, the adjusting mechanism 93 may further include a transmission assembly 933, the transmission assembly 933 is connected to the driving member and the lower top plate 19, and the second driving member 931 drives the upper top plate 15 to slide up and down through the transmission member. For example: the transmission assembly 933 may include a lead screw 935, the second driving member 931 is connected to one end of the lead screw 935, and the lower top plate 19 may be sleeved on the other end of the lead screw 935. At this time, the second driving member 931 may be a motor, and the second driving member 931 drives the screw rod 935 to rotate so as to drive the lower top plate 19 to slide up and down stably. Furthermore, the transmission assembly 933 may further include a pulley set 937, that is, the second driving element 931 is connected to a driving wheel of the pulley set 937, and an end of the screw rod 935 far away from the lower top plate 19 is connected to a driven wheel of the pulley set 937, so as to adjust a rotation speed of the second driving element 931 driving the screw rod 935 through the pulley set 937 to improve stability of the lower top plate 19 sliding up and down. The first driver 71, the first fixed sheave 60, and the third fixed sheave 80 may be fixed to the base 91. Of course, other fixing structures may be additionally provided to support and fix several of them.
The invention also provides a limb rehabilitation system, which comprises a lower limb rehabilitation training machine and a rehabilitation training weight reduction device, the specific structure of the rehabilitation training weight reduction device refers to the above embodiment, and the limb rehabilitation system adopts all the technical schemes of all the embodiments, so that the limb rehabilitation system at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated herein. The lower limb rehabilitation training machine can be used for driving the lower limbs of the patient to simulate normal gait movement; the rehabilitation training weight reduction device can be used for reducing weight of a patient in the rehabilitation training process so as to improve the accuracy and efficiency of gait training.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A rehabilitation training weight loss device, comprising:
a fixing frame defining the fixing frame to have an up-down direction;
the movable seat is arranged on the fixed frame in a sliding manner along the vertical direction;
one end of the hoisting rope is connected to the moving seat;
the weight-reducing elastic piece is connected with the fixed frame and the movable seat; and
gravity compensation mechanism, gravity compensation mechanism includes compensation elastic component, defines compensation elastic component has the both ends that are relative setting, the relative both ends of compensation elastic component rotationally connect respectively in the mount with remove the seat, just the extending direction and the upper and lower direction of compensation elastic component are perpendicular setting remove the seat for when the mount slides from top to bottom, compensation elastic component can by remove the seat and drive and rotate to the slope upwards or downwards.
2. The rehabilitation training weight loss device of claim 1, wherein said gravity compensation mechanism further comprises a rotatable arm defining said rotatable arm having two ends disposed in opposition;
one end of the rotating arm is rotatably connected to the fixed frame, the other end of the rotating arm extends along the extending direction of the compensation elastic piece and is rotatably connected to one end, far away from the moving seat, of the compensation elastic piece, and the rotating arm is further rotatably connected to the moving seat.
3. The rehabilitation training weight-reducing device of claim 2, wherein a distance between an end of said rotating arm pivotally connected to said fixed frame and a rotational axis of said rotating arm pivotally connected to said movable seat is defined as D1, and a distance between an end of said rotating arm pivotally connected to said compensation spring and a rotational axis of said rotating arm pivotally connected to said movable seat is defined as D2, which satisfies the relationship: d1 < D2;
and/or the rotating arm and the compensation elastic piece are sequentially distributed in the horizontal direction perpendicular to the extending direction of the elastic piece;
and/or the fixed frame is provided with a first angle plate, the movable seat is provided with a second angle plate, and the rotating arm is rotatably connected with the first angle plate and the second angle plate;
and/or the rotating arm is provided with a first shaft rod, the moving seat is provided with a second shaft rod, and the two opposite ends of the compensation elastic part are respectively hooked on the first shaft rod and the second shaft rod.
4. The rehabilitation training weight loss device of claim 1, wherein there are at least two of said gravity compensation mechanisms, at least two of said gravity compensation mechanisms being evenly spaced about the center of said mobile base.
5. The rehabilitation training weight reduction device of any of claims 1 to 4, wherein the holder comprises:
the fixing plate is provided with an avoiding opening penetrating through the upper surface and the lower surface of the fixing plate;
the upper top plate is arranged above the fixed plate; and
one end of the supporting rod is connected to the surface, facing the fixed plate, of the upper top plate, and the other end of the supporting rod extends in the direction facing the fixed plate and penetrates through the avoidance opening;
the movable seat is movably sleeved on the supporting rod and located below the fixed plate, two opposite ends of the weight-reducing elastic piece are respectively abutted to the upper top plate and the movable seat, and one end, far away from the movable seat, of the compensation elastic piece is rotatably connected to the fixed plate.
6. The weight-reducing device for rehabilitation training of claim 5, wherein the hoisting rope is defined to have a first end and a second end which are oppositely arranged, the first end of the hoisting rope is connected to the moving seat, the upper top plate is provided with an over-yielding opening, and the second end of the hoisting rope sequentially penetrates through the over-yielding opening and the over-yielding opening.
7. The rehabilitation training weight loss device of claim 6, wherein the second end of the lifting rope is provided with a chest bandage;
and/or a tension sensor is also arranged at the second end of the hoisting rope;
and/or the rehabilitation training weight reduction device further comprises a first fixed pulley, and the second end of the hoisting rope is wound around the first fixed pulley.
8. The rehabilitation training weight reduction device of claim 6, further comprising a take-up mechanism including a first driving member and a take-up reel, the take-up reel being coupled to the first driving member and being rotatably driven by the first driving member;
the movable seat faces the surface of the fixed plate is provided with a second fixed pulley, and the first end of the hoisting rope bypasses the second fixed pulley and sequentially passes through the avoiding opening and the passing opening to penetrate out to be connected with the winding wheel.
9. The rehabilitation training weight reduction device of claim 8, further comprising a third fixed pulley, wherein the first end of the hoisting rope passes through the yielding opening and then passes around the third fixed pulley.
10. The rehabilitation training weight reduction device of claim 5, further comprising a base and an adjustment mechanism, wherein the fixing plate is connected to the base, the adjustment mechanism comprises a second driving member, the second driving member is disposed on the base and connected to an end of the support rod away from the top plate, and the second driving member slides the support rod up and down.
11. A limb rehabilitation system comprising a rehabilitation training weight reduction device as claimed in any one of claims 1 to 10.
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| CN202110409713.3A CN113143695B (en) | 2021-04-15 | 2021-04-15 | Weight reduction device for rehabilitation training and limb rehabilitation system |
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| CN202110409713.3A CN113143695B (en) | 2021-04-15 | 2021-04-15 | Weight reduction device for rehabilitation training and limb rehabilitation system |
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| CN113143695B (en) | 2022-11-01 |
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Address after: Room 305, Building 4, Shandong Surveying, Mapping and Geographical Information Industry Base, No. 8999, Taoyuan Street, High-tech Zone, Weifang City, Shandong Province, 261061 Patentee after: Beige (Weifang) Intelligent Technology Co.,Ltd. Address before: Room 1006-02, high tech building, north of Yuqing East Street, Yuqing community, Xincheng street, Weifang High tech Zone, Weifang City, Shandong Province, 261000 Patentee before: Beihang gol (Weifang) intelligent robot Co.,Ltd. |
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| CP03 | Change of name, title or address |