CN105620637A - Torque-variable suspension rack, damping device provided with suspension rack, and tricycle - Google Patents
Torque-variable suspension rack, damping device provided with suspension rack, and tricycle Download PDFInfo
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- CN105620637A CN105620637A CN201610055409.2A CN201610055409A CN105620637A CN 105620637 A CN105620637 A CN 105620637A CN 201610055409 A CN201610055409 A CN 201610055409A CN 105620637 A CN105620637 A CN 105620637A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K25/12—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg
- B62K25/14—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg
- B62K25/16—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for front wheel
- B62K25/18—Axle suspensions for mounting axles resiliently on cycle frame or fork with rocking arm pivoted on each fork leg with single arm on each fork leg for front wheel the arm being pivoted intermediate its ends
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention relates to a torque-variable suspension rack, a damping device provided with the suspension rack, and a tricycle. The torque-variable suspension rack comprises a swinging arm, a damper and a support arm, wherein the middle of the swinging arm is connected with external equipment at a connection point, namely point O; one end of the damper is rotationally connected with one end of the swinging arm at a connection point, namely point B; one end of the support arm is rotationally connected with the other end of the damper; the other end of the support arm is rotationally connected with the other end of the swinging arm at a connection point, namely point A; and a connection line between the point O and the point B is not coincident with a connection line between the point O and the point A. The point O of the swinging arm can be connected with the external equipment, and the connection line between the point O and the point B is not coincident with the connection line between the point O and the point A, so that a bearing force of the to-be-buffered external equipment can be buffered uniformly through force arm changes of acting forces borne at the point O and the point A, and the damping effect is good.
Description
Technical field
The present invention relates to cushion technique field, be specifically related to a kind of torque-variable suspension and there is damping device and the tricycle of this suspension.
Background technology
At present, the tricycle market demand is very big, and according to market feedback, existing tricycle car body exists damping effect difference, service life short a lot of problem such as grade.
Summary of the invention
The technical problem to be solved is for the deficiencies in the prior art, it is provided that a kind of torque-variable suspension and have damping device and the tricycle of this suspension.
The technical scheme is that a kind of torque-variable suspension, including:
Swing arm, is connected with external equipment in the middle part of described swing arm, and junction point is O point;
One end of antivibrator, one end of described antivibrator and described swing arm is rotatedly connected, and junction point is B point;
The other end of support arm, one end of described support arm and described antivibrator is rotatedly connected, and the other end of the other end of described support arm and described swing arm is rotatedly connected, and junction point is A point;
Between described O point and B point, the line between line and described O point and A point is misaligned.
The invention has the beneficial effects as follows: the O point of the swing arm of the present invention can be connected with external equipment, misaligned by the line that arranges between O point and B point between line and described O point and A point, the arm of force that can make the active force that the holding capacity of external equipment to be buffered born by O point and A point changes uniform buffering, good damping effect.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described swing arm includes the first linkage section and the second linkage section that one connects, and described first linkage section is curved, and one end of described second linkage section is connected with one end of described first linkage section; The end of the other end of described support arm and described first linkage section is rotatedly connected, and the end of one end of described antivibrator and described second linkage section is rotatedly connected.
Adopting above-mentioned further scheme to provide the benefit that: to be arranged to arcuate structure by just the first linkage section, the stress buffer time making the first linkage section is longer, and the pressure that can cushion is bigger.
Further, the described first linkage section convex surface of arc is located remotely from the side projection of described support arm.
Further, described antivibrator includes hydraulic cylinder, piston rod and spring, and described piston rod is plugged in described hydraulic cylinder and can move reciprocatingly in described hydraulic cylinder;
One end of the end of described hydraulic cylinder and described swing arm is rotatedly connected, and the other end of the end of described piston rod and described support arm is rotatedly connected; Described hydraulic cylinder outer wall is provided with spring base, and described piston rod outer wall is fixed with spring cup, and the two ends of described spring are connected on described spring base and described spring cup respectively.
Further, described support arm includes the first support arm, the second support arm and the 3rd support arm that one connects successively, described first support arm and described 3rd support arm are parallel to each other, the end of described first support arm and the other end of described antivibrator are rotatedly connected, and the end of described 3rd support arm and the end of described first linkage section are rotatedly connected; The angle of described second support arm and described first support arm is 90 ��-160 ��.
Further, described second support arm is 120 �� with the angle of described first support arm.
A kind of damping device, is arranged on vibrations object; Force side including above-mentioned torque-variable suspension, the middle part of described swing arm and described vibrations object is rotatedly connected; The end of described first support arm and the force side shaking object are fixedly linked.
A kind of tricycle, including car body, also includes above-mentioned damping device, and described shaking device is arranged on described car body, and the middle part of described swing arm is connected with the hub rotation of car body, and the end of described first support arm and tricycle handle are fixedly linked.
Further, also include:
Two torque-variable suspensions, two described torque-variable suspensions are arranged parallel to the wheel hub both sides at front-wheel;
One first connecting rod, described first connecting rod passes perpendicularly through the center of described wheel hub and is rotatedly connected with it, and the two ends of described first connecting rod are fixedly linked with the middle part of two described swing arms respectively;
One second connecting rod, described second connecting rod is positioned at the top of described wheel hub and parallel with described first connecting rod, and the two ends of described second connecting rod are fixedly linked with the end of the first support arm of two described torque-variable suspensions respectively;
Handle connecting rod, one end of described handle connecting rod and the middle part of described second connecting rod are fixedly linked, and its other end is connected with tricycle handle; Described handle connecting rod is vertical with described second connecting rod.
Further, described first connecting rod is O point with the junction point of described swing arm; In tricycle running, suffered by the arm of force of the suffered active force of described O point and described B point, the ratio of the arm of force of active force is 0.9-1.4.
Above-mentioned further scheme is adopted to provide the benefit that: to be 0.9-1.4 by the ratio of the arm of force of active force suffered by the arm of force of suffered for O point active force and described B point, make the damped coefficient of antivibrator between 0.2-0.38, it is possible to well to reach the shock attenuation needs of tricycle.
Accompanying drawing explanation
Fig. 1 is the use state diagram one of the torque-variable suspension of the present embodiment;
Fig. 2 is the use state diagram two of the torque-variable suspension of the present embodiment;
Fig. 3 is the torque-variable suspension connection status schematic diagram one with wheel hub of the present embodiment;
Fig. 4 is the torque-variable suspension connection status schematic diagram two with wheel hub of the present embodiment;
Fig. 5 is that swing arm is around the graph of a relation between A point rotational angle and lever ratio;
Fig. 6 is the swing arm graph of a relation around A point rotational angle and antivibrator deflection.
In accompanying drawing, the list of parts representated by each label is as follows:
1, swing arm; 11, the first linkage section; 12, second connecting rod section; 2, antivibrator; 21, hydraulic cylinder; 211, spring base; 22, spring; 23, piston rod; 231, spring cup; 3, support arm; 31, the first support arm; 32, the second support arm; 33, the 3rd support arm; 4, car body; 41, first connecting rod; 42, second connecting rod; 43, handle connecting rod; 44, wheel hub.
Detailed description of the invention
Below in conjunction with accompanying drawing, principles of the invention and feature being described, example is served only for explaining the present invention, is not intended to limit the scope of the present invention.
Embodiment 1
A kind of torque-variable suspension of the present embodiment, as Figure 1-Figure 4, including:
Swing arm 1, swing arm 1 includes the first linkage section 11 and the second linkage section 12 being integrally sequentially connected with, and the junction point of the first linkage section 11 and the second linkage section 12 is O point. First linkage section 11 is curved, and the second linkage section 12 is positioned at the side of the first linkage section 11 evagination of arc; Second linkage section 12 is elongated.
One end of antivibrator 2, one end of antivibrator 2 and the second linkage section 12 is rotatedly connected; First linkage section 11 convex surface of arc is located remotely from the side of support arm 3; Antivibrator 2 includes hydraulic cylinder 21, piston rod 23 and spring 22, and piston rod 23 is plugged in hydraulic cylinder 21 and can move reciprocatingly in hydraulic cylinder 21; One end of the end of hydraulic cylinder 21 and swing arm 1 is rotatedly connected, and the other end of the end of piston rod 23 and support arm 3 is rotatedly connected; Hydraulic cylinder 21 outer wall is provided with spring base 211, and piston rod 23 outer wall is fixed with spring cup 231, and the two ends of spring 22 are connected on spring base 211 and spring cup 231 respectively.
The other end of support arm 3, one end of support arm 3 and antivibrator 2 is rotatedly connected, and the other end of support arm 3 and one end of the first linkage section 11 are rotatedly connected. Support arm 3 includes the first support arm the 31, second support arm 32 and the 3rd support arm 33 that one connects successively, first support arm 31 and the 3rd support arm 33 are parallel to each other, the end of the first support arm 31 and the other end of antivibrator 2 are rotatedly connected, and the end of the end of the 3rd support arm 33 and the first linkage section 11 is rotatedly connected; The angle of the second support arm 32 and the first support arm 31 is 90 ��-160 ��. The angle of the second support arm 32 and the first support arm 31 is 120 ��.
The swing arm 1 of the present embodiment, if the end of the first linkage section 11 is A point, the end of the second linkage section 12 is B point, when the line of OB is vertical, swing arm 1 is when A point rotates, the ratio of the distance of the distance of the vertical curve at A point distance O point place and the vertical curve at A point distance B point place presents rule change, and the stress of A point, B point and O point is carried out rational deployment by this change available. The middle part of swing arm can be connected with device to be buffered, by above-mentioned stress layout, the holding capacity of device to be buffered can be made uniformly to be cushioned by swing arm and antivibrator. Fig. 1 is the original state of torque-variable suspension, and Fig. 2 is the state that torque-variable suspension is in use compressed, and in use, A point is fulcrum to torque-variable suspension, and O point and B point all rotate around A point.
Embodiment 2
A kind of damping device of the present embodiment, is arranged on vibrations object; As shown in Figure 3 and Figure 4, the force side including the torque-variable suspension of embodiment 1, the middle part of swing arm 1 and described vibrations object is rotatedly connected; The end of described first support arm 31 and the force side shaking object are fixedly linked.
Embodiment 3
A kind of tricycle, including the damping device of at least one embodiment 2. The present embodiment preferably employs two damping devices and constitutes the damping device of tricycle, and two torque-variable suspensions are arranged parallel to wheel hub 44 both sides at car body 4; As shown in Figure 3 and Figure 4, the tricycle of the present embodiment also includes:
One first connecting rod 41, first connecting rod 41 passes perpendicularly through the center of wheel hub 44 and is rotatedly connected with it, and the two ends of first connecting rod 41 are fixedly linked with the middle part of two torque-variable suspensions respectively, and first connecting rod 41 overlaps with O point with the junction point of torque-variable suspension;
One second connecting rod 42, second connecting rod 42 is positioned at the top of wheel hub 44 and parallel with first connecting rod 41, and the two ends of second connecting rod 42 are fixedly linked with the end of the first support arm 31 of two torque-variable suspensions respectively;
The middle part of handle connecting rod 43, one end of handle connecting rod 43 and second connecting rod 42 is fixedly linked, and its other end is connected with the direction device on tricycle handle, and handle connecting rod 43 is equivalent to the axis of orientation on conventional tricycle; Handle connecting rod 43 is vertical with second connecting rod 42.
The middle part of the present embodiment swing arm 1 is connected with the center rotating of wheel hub 44, and junction point overlaps with O point; The end of the first support arm 31 and car body 4 are fixedly linked.
First linkage section 11 of the present embodiment and the junction point of the first support arm 31 are A point, and the junction point of the second linkage section 12 and antivibrator 2 is B point, and the junction point of antivibrator 2 and support arm 3 is C point.
Support arm 3 is played a supporting role, and swing arm 1 and support arm 3 are rotationally connected by bearing; Swing arm 1 and antivibrator 2 are connected through the hinge; Antivibrator 2 and support arm 3 are connected through the hinge. When, in car body moving process, car body 4 vibration meeting lower pressure wheel hub 44, when wheel hub 44 load increases or is subject to big impact, swing arm 1 can be rotated up around A point, and antivibrator 2 rotates between b and c, and antivibrator 2 is compressed simultaneously.
In whole rotation process, if A point is fulcrum, the active force that the junction point O point of swing arm 1 and wheel hub 44 is subject to is F1, the active force that the junction point B point of swing arm 1 and antivibrator 2 is subject to is F2, F1The arm of force be L1, F2The arm of force be L2, then swing arm 1 rotates around A point, it is assumed that L1With L2Ratio be lever ratio m, increase with the rotation of swing arm 1; The rotational angle of swing arm 1 and L1And L2Ratio as shown in Figure 5; As it is shown in figure 5, rotating around A point along with swing arm 1, along with the increase of rotational angle, L1With L2Ratio be gradually increased. The present embodiment can adjust L by the length of the first linkage section 11 and the second linkage section 12 in adjustment swing arm 11With L2Ratio. The L of the present embodiment1And L2Ratio be between 0.9-1.4, now, no matter when car body is fully loaded and unloaded, the vibration frequency of car body is consistent, makes the damping effect of car body reach the best.
Whether comfortable the damped coefficient dependency of the tricycle antivibrator with tricycle be very big. The present embodiment tricycle, in use, when car body 4 is unloaded, when the movement velocity of damper rod is 0.52m/s, the weight P that tricycle front-wheel bearsEmpty=110kg, time unloaded, the rigidity of spring is K=15kg/cm, time unloaded, as shown in Figure 5 and Figure 6, and spring downward 60mm, the rotational angle of swing arm 1 is about 25 ��, and the deflection (decrement) of antivibrator 2 is 60mm, lever ratio m=1.2; The damping force 25kg of antivibrator 2, the recuperability of antivibrator 2 is 50kg; Now, the frequency of vibration of unloaded car body 4 is 1.99Hz; The damped coefficient of antivibrator 2 is 0.28.
Full load, as shown in Figure 5 and Figure 6, the weight P that tricycle front-wheel bears expires=210kg, and the rotational angle of swing arm 1 is about 37 ��, the deflection (decrement) of antivibrator 2 is 95mm, lever ratio m is 1.3, and the frequency of vibration of car body is 1.97, now, the frequency of vibration of car body is almost consistent with the frequency of vibration of car body time unloaded, the damping effect making car body reaches most perfect condition, and now, the damped coefficient of antivibrator is 0.2.
The standard damping factor range of antivibrator is 0.2-0.38, and therefore, the damped coefficient that the lever ratio of the torque-variable suspension of the present embodiment obtains can be good at meeting the job demand of antivibrator.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a torque-variable suspension, it is characterised in that including:
Swing arm (1), described swing arm (1) middle part is connected with external equipment, and junction point is O point;
One end of antivibrator (2), one end of described antivibrator (2) and described swing arm (1) is rotatedly connected, and junction point is B point;
Support arm (3), the other end of one end of described support arm (3) and described antivibrator (2) is rotatedly connected, the other end of the other end of described support arm (3) and described swing arm (1) is rotatedly connected, and junction point is A point;
Between described O point and B point, the line between line and described O point and A point is misaligned.
2. a kind of torque-variable suspension according to claim 1, it is characterized in that, described swing arm (1) includes the first linkage section (11) and the second linkage section (12) that one connects, described first linkage section (11) is curved, and one end of described second linkage section (12) is connected with one end of described first linkage section (11); The end of the other end of described support arm (3) and described first linkage section (11) is rotatedly connected, and the end of one end of described antivibrator (2) and described second linkage section (12) is rotatedly connected.
3. a kind of torque-variable suspension according to claim 2, it is characterised in that described first linkage section (11) convex surface of arc is located remotely from the side of described support arm (3).
4. a kind of torque-variable suspension according to Claims 2 or 3, it is characterized in that, described antivibrator (2) includes hydraulic cylinder (21), piston rod (23) and spring (22), and described piston rod (23) is plugged in described hydraulic cylinder (21) and can move reciprocatingly in described hydraulic cylinder (21);
One end of the end of described hydraulic cylinder (21) and described swing arm (1) is rotatedly connected, and the other end of the end of described piston rod (23) and described support arm (3) is rotatedly connected; Described hydraulic cylinder (21) outer wall is provided with spring base (211), being fixed with spring cup (231) on described piston rod (23) outer wall, the two ends of described spring (22) are connected on described spring base (211) and described spring cup (231) respectively.
5. a kind of torque-variable suspension according to claim 4, it is characterized in that, described support arm (3) includes the first support arm (31), the second support arm (32) and the 3rd support arm (33) that one connects successively, described first support arm (31) and described 3rd support arm (33) are parallel to each other, the end of described first support arm (31) and the other end of described antivibrator (2) are rotatedly connected, and the end of described 3rd support arm (33) and the end of described first linkage section (11) are rotatedly connected; The angle of described second support arm (32) and described first support arm (31) is 90 ��-160 ��.
6. a kind of torque-variable suspension according to claim 5, it is characterised in that the angle of described second support arm (32) and described first support arm (31) is 120 ��.
7. a damping device, is arranged on vibrations object; It is characterized in that, the force side including the torque-variable suspension as described in any one of claim 4-6, the middle part of described swing arm (1) and described vibrations object is rotatedly connected; The end of described first support arm (31) and the force side shaking object are fixedly linked.
8. a tricycle, including car body (4), it is characterized in that, also include at least one damping device as claimed in claim 7, described shaking device is arranged on described car body (4), the wheel hub (44) of the middle part of described swing arm (1) and car body (4) is rotatedly connected, and the end of described first support arm (31) and tricycle handle are fixedly linked.
9. a kind of tricycle according to claim 8, it is characterised in that also include:
Two torque-variable suspensions, two described torque-variable suspensions are arranged parallel to wheel hub (44) both sides at car body (4) front-wheel;
One first connecting rod (41), described first connecting rod (41) passes perpendicularly through the center of described wheel hub (44) and is rotatedly connected with it, and the two ends of described first connecting rod (41) are fixedly linked with the middle part of two described swing arms (1) respectively;
One second connecting rod (42), described second connecting rod (42) is positioned at the top of described wheel hub (44) and parallel with described first connecting rod (41), and the two ends of described second connecting rod (42) are fixedly linked with the end of first support arm (31) of two described torque-variable suspensions respectively;
Handle connecting rod (43), one end of described handle connecting rod (43) and the middle part of described second connecting rod (42) are fixedly linked, and its other end is connected with tricycle handle; Described handle connecting rod (43) is vertical with described second connecting rod (42).
10. a kind of tricycle according to claim 9, it is characterised in that the junction point of described first connecting rod (41) and described swing arm (1) is O point; In tricycle running, suffered by the arm of force of the suffered active force of described O point and described B point, the ratio of the arm of force of active force is 0.9-1.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055409.2A CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055409.2A CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
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| CN105620637A true CN105620637A (en) | 2016-06-01 |
| CN105620637B CN105620637B (en) | 2018-11-23 |
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| CN201610055409.2A Active CN105620637B (en) | 2016-01-27 | 2016-01-27 | A kind of torque-variable suspension and damping device and tricycle with the suspension |
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| CN106627946A (en) * | 2016-12-30 | 2017-05-10 | 徐中芝 | Balanced type suspension frame and motor vehicle |
| CN113226907A (en) * | 2018-12-27 | 2021-08-06 | 比亚乔公司 | Motorcycle swing arm type front suspension |
| TWI782141B (en) * | 2017-11-24 | 2022-11-01 | 義大利商比雅久股份有限公司 | A suspension for a wheel of a motorveichle with a steering handlebar and a front axle for a motorveichle |
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| TWI782141B (en) * | 2017-11-24 | 2022-11-01 | 義大利商比雅久股份有限公司 | A suspension for a wheel of a motorveichle with a steering handlebar and a front axle for a motorveichle |
| CN113226907A (en) * | 2018-12-27 | 2021-08-06 | 比亚乔公司 | Motorcycle swing arm type front suspension |
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| CN105620637B (en) | 2018-11-23 |
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