CN102128242B - Self-balancing swing arm - Google Patents
Self-balancing swing arm Download PDFInfo
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- CN102128242B CN102128242B CN 201010609479 CN201010609479A CN102128242B CN 102128242 B CN102128242 B CN 102128242B CN 201010609479 CN201010609479 CN 201010609479 CN 201010609479 A CN201010609479 A CN 201010609479A CN 102128242 B CN102128242 B CN 102128242B
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- side link
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- 230000007704 transition Effects 0.000 claims abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Abstract
The invention relates to a self-balancing swing arm which comprises a rack, a short side link, a connecting rod, a long side link, a swinging arm, a branch rod and an expansion link, wherein the rack is arranged in the vertical direction, and the lower end of the rack can be fixed on a base in a horizontal rotation mode; one end of the short side link is articulated on the upper end of the rack, and the other end of the short side link extends outward to form the swing arm; the upper end of the connecting rod is articulated at the transition part of the short side link and the swing arm; one end of the long side link is articulated at the middle part of the rack, and the other end of the long side link is articulated with the lower end of the connecting rod; one end of the branch rod is fixedly connected with the middle part of the connecting rod, and is vertical to the connecting rod, and the other end of the branch rod extends toward the rack; and two ends of the expansion link are respectively articulated at the outer end of the branch rod and the outer end of the swinging arm. The self-balancing swing arm also comprises a vertical rod and a parallel rod. The self-balancing swing arm provided by the invention has the characteristic of self balancing, also has the advantages of no need of external power supply, energy conservation, environmental friendliness, simple structure, strong practicability and the like.
Description
Technical field
The invention belongs to power-assisted swing mechanism technical field, particularly relate to a kind of self-balancing swing arm that can weight equalizer gravity in swinging up and down process.
Background technique
At present, self-balancing swing arm is widely used in fields such as vehicle, military equipment, industrial automation, medical apparatus, furniture, such as: all adopted self-balancing swing arm in the devices such as automobile trunk, assembly line power-assisted hand, transport vehicle cab apron, optical instrument support, medical apparatus support, running machine fold mechanism, Table lamp stand.The power assisting device that is comprised of self-balancing swing arm and other annexes can be divided into the external connection power driving with without external connection power driving two large classes, the power assisting device that wherein drives with external connection power normally utilizes the devices such as oil hydraulic cylinder, cylinder, motor to drive, general driving moment is large, load-carrying is more, but external connection power can cause again the volume of system larger, and energy consumption increases.
Generally by energy storage means such as stage clip, extension spring, dish spring, torsion spring, air springs the gravitational potential energy in the weight decline process is stored as the interior energy of elastic potential energy or storage medium without the power assisting device of external connection power driving, when weight need to be lifted, energy storage means is the gravitational potential energy of weight with the Conversion of Energy of its storage again, thereby only need apply much smaller than the thrust of weight gravity when the power assisting device operator need to lift weight and weight can be raised.In addition, because the buffer function of energy storage means, the decline process when weight descends is relatively steady.Although the power assisting device that drives without external connection power has succinct, the light and handy advantage such as practical of energy-conserving and environment-protective, profile, domestic and international existing power assisting device ubiquity shaking moment is unstable, the performance of energy storage means ability is not enough, need the shortcoming such as locking device when hover in the arbitrary position.Trace it to its cause is that the swing arm of power assisting device can not keep balance with gravity always in its range of movement, especially when gravitational load during much larger than the frictional force of power assisting device self, the required external influence power of this device motion will change within a large range, therefore can be handling poor.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind ofly can make the power assisting device self-balancing swing arm that hover in the arbitrary position in its whole hunting range.
In order to achieve the above object, self-balancing swing arm provided by the invention comprises frame, short side link, connecting rod, long side link, swing arm, minute pole and flexible rod; Its mid frame vertically arranges, and its lower end is fixed on the basis in the mode that can horizontally rotate; One end of short side link is hinged on the upper end of frame, and the other end stretches out and forms swing arm; The upper end of connecting rod is hinged on the transition position of short side link and swing arm; One end of long side link is hinged on the middle part of frame, and the lower end of the other end and connecting rod is hinged; One end of minute pole is connected to the middle part of connecting rod, and perpendicular with connecting rod, and the other end extends to the direction of frame; The two ends of flexible rod are hinged on respectively on the outer end of the outer end of minute pole and swing arm.
Self-balancing swing arm provided by the invention also comprises a vertical bar and a parallel bar; Wherein the upper end of vertical bar is hinged on the outer end of swing arm; The two ends of parallel bar are hinged on respectively the hinged place of frame and long side link and the lower end of vertical bar, and short side link and swing arm, frame, parallel bar and parallelogram of vertical bar composition.
Described flexible rod is air spring.
Described air spring is lockable gas spring.
Self-balancing swing arm provided by the invention also has the external connection power of need not source, energy-conserving and environment-protective, the advantage such as simple in structure, practical except having self-equilibrium characteristic.
Description of drawings
Fig. 1 is self-balancing swing arm structural representation provided by the invention.
Fig. 2 is a kind of typical application example structural representation of self-balancing swing arm provided by the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments self-balancing swing arm provided by the invention is elaborated.
As shown in Figure 1, self-balancing swing arm provided by the invention comprises frame 1, short side link 2, connecting rod 3, long side link 4, swing arm 9, minute pole 10 and flexible rod 5; Its mid frame 1 vertically arranges, and its lower end is fixed on the basis 8 in the mode that can horizontally rotate; One end of short side link 2 is hinged on the upper end of frame 1, and the other end stretches out and forms swing arm 9; The upper end of connecting rod 3 is hinged on the transition position of short side link 2 and swing arm 9; One end of long side link 4 is hinged on the middle part of frame 1, and the lower end of the other end and connecting rod 3 is hinged; One end of minute pole 10 is connected to the middle part of connecting rod 3, and perpendicular with connecting rod 3, and the other end extends to the direction of frame 1; The two ends of flexible rod 5 are hinged on respectively on the outer end of the outer end of minute pole 10 and swing arm 9.
As shown in Figure 2, self-balancing swing arm provided by the invention also comprises a vertical bar 6 and a parallel bar 7; Wherein the upper end of vertical bar 6 is hinged on the outer end of swing arm 9; The two ends of parallel bar 7 are hinged on respectively the hinged place of frame 1 and long side link 4 and the lower end of vertical bar 6, and short side link 2 and swing arm 9, frame 1, parallel bar 7 and parallelogram of vertical bar 6 compositions.
Described flexible rod 5 is air spring.
For fear of the impact of external interference power, described air spring can adopt lockable gas spring.
The shape of connecting rod is not limited to straight-bar in this device, and its concrete profile does not limit, as long as the articulating point of above-mentioned each connecting rod meets above-mentioned relation.
When needs are taken, trickle observation, when punching waits operation, can adopt self-balancing swing arm shown in Figure 1, at first by the user with camera, microscope, the heavier device such as punch is installed in the hinged place of swing arm 9 and flexible rod 5, at this moment, this mechanism is under the gravity G of above-mentioned these devices effect, flexible rod 5 is with compressed, and then the larger support force of generation, because the support force of gravity G and flexible rod 5 is to the moment of swing arm rotating center approximately equal all the time, thereby this swing arm is at weight gravity G, to keep self balancing under the support force effect of mechanism's internal friction and air spring, namely has self-equilibrium characteristic, at this moment, the user only need be with very little steering force or by motor, oil hydraulic cylinder, the steering force that the external meanss such as cylinder provide rotates self-balancing swing arm just can be dragged to these devices the arbitrary position that can reach the space, and these devices can hover in this position voluntarily, then just can take, trickle observation, the operations such as punching.
A typical application example of this self-balancing swing arm when the weight that requires to be connected to swing arm 9 ends does not overturn all the time, can increase a vertical bar 6 and a parallel bar 7 thereon as shown in Figure 2 in swing arm 9 swing process; Wherein the upper end of vertical bar 6 is hinged on the outside of swing arm 9; The two ends of parallel bar 7 are hinged on respectively the hinged place of frame 1 and long side link 4 and the lower end of vertical bar 6, and short side link 2 and swing arm 9, frame 1, parallel bar 7 and vertical bar 6 form a parallelogram thus.At this moment weight can be connected on the vertical bar 6, when this swing arm 9 swings up and down, vertically bar 6 all the time can with frame 1 keeping parallelism, so weight can not overturn.
In addition, can satisfy different applications with the method for selecting the air spring with different force characteristic curves by the length of adjusting above-mentioned all bars.
Claims (3)
1. self-balancing swing arm is characterized in that: described self-balancing swing arm comprises frame (1), short side link (2), connecting rod (3), long side link (4), swing arm (9), minute pole (10) and flexible rod (5); Its mid frame (1) vertically arranges, and its lower end is fixed on the basis (8) in the mode that can horizontally rotate; One end of short side link (2) is hinged on the upper end of frame (1), and the other end stretches out and forms swing arm (9); The upper end of connecting rod (3) is hinged on the transition position of short side link (2) and swing arm (9); One end of long side link (4) is hinged on the middle part of frame (1), and the lower end of the other end and connecting rod (3) is hinged; One end of minute pole (10) is connected in the middle part of connecting rod (3), and perpendicular with connecting rod (3), and the other end extends to the direction of frame (1); The two ends of flexible rod (5) are hinged on respectively on the outer end of the described the other end of a minute pole (10) and swing arm (9); Described flexible rod (5) is air spring.
2. self-balancing swing arm according to claim 1, it is characterized in that: described self-balancing swing arm also comprises a vertical bar (6) and a parallel bar (7); Wherein the upper end of vertical bar (6) is hinged on the outside of swing arm (9); The two ends of parallel bar (7) are hinged on respectively the hinged place of frame (1) and long side link (4) and the lower end of vertical bar (6), and short side link (2) and swing arm (9), frame (1), parallel bar (7) and vertical bar (6) form a parallelogram thus.
3. self-balancing swing arm according to claim 1, it is characterized in that: described air spring is lockable gas spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010609479 CN102128242B (en) | 2010-12-28 | 2010-12-28 | Self-balancing swing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010609479 CN102128242B (en) | 2010-12-28 | 2010-12-28 | Self-balancing swing arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102128242A CN102128242A (en) | 2011-07-20 |
| CN102128242B true CN102128242B (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010609479 Active CN102128242B (en) | 2010-12-28 | 2010-12-28 | Self-balancing swing arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102128242B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2825721B2 (en) * | 1992-12-28 | 1998-11-18 | 三鷹光器株式会社 | Medical optical equipment stand device |
| US5746404A (en) * | 1996-02-15 | 1998-05-05 | Merko; Andrew V. | Apparatus for counterbalancing equipment |
| CN2294125Y (en) * | 1996-06-26 | 1998-10-14 | 蓝孝伟 | Operation arm device used for metal turning machinery |
-
2010
- 2010-12-28 CN CN 201010609479 patent/CN102128242B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102128242A (en) | 2011-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110720 Assignee: Dajian grams Technology (Beijing) Co., Ltd. Assignor: Wang Wendong Contract record no.: 2014990000637 Denomination of invention: Self-balancing swing arm Granted publication date: 20130116 License type: Exclusive License Record date: 20140811 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151029 Address after: 102600, Beijing Zhongguancun Daxing District science and Technology Park, Daxing pharmaceutical industry base, 9 Fu Tian street, 6 East Side Patentee after: Dajian grams Technology (Beijing) Co., Ltd. Address before: 102600 7-4-401, three District, Changfeng garden, Huangcun Town, Beijing, Daxing District Patentee before: Wang Wendong |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102600, Beijing Zhongguancun Daxing District science and Technology Park, Daxing pharmaceutical industry base, 9 Fu Tian street, 6 East Side Patentee after: China Medical Technology (Beijing) Co., Ltd. Address before: 102600, Beijing Zhongguancun Daxing District science and Technology Park, Daxing pharmaceutical industry base, 9 Fu Tian street, 6 East Side Patentee before: Dajian grams Technology (Beijing) Co., Ltd. |