CN112297744A - Energy feedback type suspension and vehicle - Google Patents
Energy feedback type suspension and vehicle Download PDFInfo
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- CN112297744A CN112297744A CN201910703104.1A CN201910703104A CN112297744A CN 112297744 A CN112297744 A CN 112297744A CN 201910703104 A CN201910703104 A CN 201910703104A CN 112297744 A CN112297744 A CN 112297744A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/14—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers accumulating utilisable energy, e.g. compressing air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
In order to solve the problems of inertia loss and low energy utilization rate of the conventional rack and pinion type energy feedback suspension, the invention provides an energy feedback type suspension which comprises a first connecting assembly, a second connecting assembly, a first gear, a first one-way clutch mechanism, a second gear, a second one-way clutch mechanism, a transmission assembly and a generator, wherein a first rack and a second rack are respectively arranged on two side faces of the second connecting assembly, which are deviated from each other; a first gear is meshed with a first rack, and the first gear and the transmission assembly transmit torque in a single direction through a first one-way clutch mechanism; and the second gear is meshed with the second rack, and the second gear and the transmission assembly transmit torque in a single direction through a second one-way clutch mechanism. Meanwhile, the invention also discloses a vehicle comprising the energy feedback type suspension. The energy feedback type suspension provided by the invention can effectively improve the energy utilization efficiency and prolong the service life of the generator.
Description
Technical Field
The invention belongs to the technical field of suspension structures, and particularly relates to an energy feedback type suspension and a vehicle.
Background
The energy feedback type suspension is a novel suspension system capable of recovering vibration energy. The system can not only reduce the fuel consumption and the pollutant discharge, but also can generate damping effect on the moving mechanism, thereby achieving the purpose of shock absorption. Compared with the traditional suspension, the energy feedback type suspension replaces a damper of the traditional suspension by an energy recovery device, an electromagnetic power generation mechanism is usually adopted, and then the electromagnetic power generation mechanism is connected with an elastic element in parallel to form a suspension system, so that energy generated by vibration can be absorbed and converted into electric energy, and the energy-saving effect is achieved.
At present, a gear and rack type energy feedback suspension exists, the energy feedback suspension enables a rack and a gear to generate relative displacement through vibration so as to drive the gear to rotate, and then a generator is driven through a gear to generate electricity, and the gear and rack type energy feedback suspension has certain defects and mainly comprises the following components: the suspension frame is in the reciprocating motion in-process, and the generator constantly changes the direction of rotation along with reciprocating vibration, and the in-process of changing the direction of rotation need overcome the inertia work of generator rotor, causes "inertia loss" for the generating efficiency is lower, and energy utilization is not high, and the change of constantly continuing the direction of rotation simultaneously also can produce great load to the generator, greatly shortens the life-span of generator.
Disclosure of Invention
The invention provides a regenerative suspension and a vehicle, aiming at the problems of inertia loss and low energy utilization rate of the existing rack and pinion type regenerative suspension.
The technical scheme adopted by the invention for solving the technical problems is as follows:
on one hand, the invention provides an energy feedback type suspension, which comprises a first connecting assembly, a second connecting assembly, a first gear, a first one-way clutch mechanism, a second gear, a second one-way clutch mechanism, a transmission assembly and a generator, wherein the first connecting assembly and the second connecting assembly can be arranged in a reciprocating and relative displacement manner, two opposite side surfaces of the second connecting assembly are respectively provided with a first rack and a second rack, and the first gear and the second gear are arranged on the first connecting assembly in a rotating manner;
the first gear is meshed with the first rack, and the first gear and the transmission assembly transmit torque in a single direction through a first one-way clutch mechanism; the second gear is meshed with the second rack, and the second gear and the transmission assembly transmit torque in a single direction through a second one-way clutch mechanism; the torque transmission direction of the first one-way clutch mechanism is consistent with the torque transmission direction of the second one-way clutch mechanism;
the transmission assembly is used for driving a motor shaft of the generator to rotate.
Optionally, the transmission assembly comprises a first transmission gear and a second transmission gear, a motor gear is arranged on a motor shaft of the generator, the first transmission gear is meshed with the motor gear, the first gear is meshed with the first transmission gear through a first one-way clutch mechanism to transmit torque in a one-way mode, the second transmission gear is meshed with the motor gear, and the second gear is meshed with the second transmission gear through a second one-way clutch mechanism to transmit torque in a one-way mode.
Optionally, the first gear and the first transmission gear are located on the same axis, the first one-way clutch mechanism includes a first clutch bevel gear ring, a second clutch bevel gear ring and a first elastic member, the first clutch bevel gear ring is disposed on the first gear and faces the side of the first transmission gear, the second clutch bevel gear ring is disposed on the first transmission gear and faces the side of the first gear, the first elastic member is used for providing an elastic acting force for pressing the first transmission gear to the side of the first gear, and the first clutch bevel gear ring and the second clutch bevel gear ring are engaged under the elastic acting force of the first elastic member;
when the first gear rotates towards a first direction, the first clutch bevel gear ring and the second clutch bevel gear ring are meshed and locked with each other through right-angle end faces of bevel teeth, and the first gear drives the first transmission gear to rotate;
when the first gear rotates towards the second direction, the first clutch bevel gear ring and the second clutch bevel gear ring are in sliding contact through the inclined surfaces of the bevel gears, and the first gear and the first transmission gear rotate freely relatively.
Optionally, the second gear and the second transmission gear are located on the same axis, the second one-way clutch mechanism includes a third clutch bevel gear ring, a fourth clutch bevel gear ring and a second elastic member, the third clutch bevel gear ring is disposed on the second gear on the side facing the second transmission gear, the fourth clutch bevel gear ring is disposed on the second transmission gear on the side facing the second gear, the second elastic member is used for providing an elastic acting force for pressing the second transmission gear to the second gear side, and the third clutch bevel gear ring and the fourth clutch bevel gear ring are engaged under the elastic acting force of the second elastic member;
when the second gear rotates towards the first direction, the third clutch bevel gear ring and the fourth clutch bevel gear ring are meshed and locked with each other through right-angle end faces of bevel teeth, and the second gear drives the second transmission gear to rotate;
when the second gear rotates towards the second direction, the third clutch bevel gear ring and the fourth clutch bevel gear ring are in sliding contact through the bevel of the bevel gear, and the second gear and the second transmission gear rotate relatively freely.
Optionally, the first elastic member and the second elastic member are springs, the first elastic member abuts against one side of the first transmission gear, which is away from the first gear, and the second elastic member abuts against one side of the second transmission gear, which is away from the second gear.
Optionally, the tooth pitch of the first rack and the second rack is equal, the tooth number of the first gear and the tooth number of the second gear are equal, and the tooth number of the first transmission gear and the tooth number of the second transmission gear are equal.
Optionally, the first connecting assembly includes a first connecting seat, a sleeve and a housing, the housing is located on a side wall of the sleeve, the first gear, the first one-way clutch mechanism, the second gear, the second one-way clutch mechanism, the first transmission gear and the second transmission gear are accommodated in the housing, and the first connecting seat is located at a first end of the sleeve;
the second connecting assembly comprises a displacement rod and a second connecting seat, the first rack and the second rack are located on two side walls of the displacement rod, the second connecting seat is located at the first end of the displacement rod, and the second end of the displacement rod is movably inserted into the second end of the sleeve.
Optionally, an opening for exposing the first rack and the second rack is formed in a side wall of the sleeve, and the housing is disposed outside the opening.
Optionally, be provided with first pivot, second pivot, third pivot and fourth pivot on the inner wall of casing, first pivot with the coaxial setting of second pivot, the third pivot with the coaxial setting of fourth pivot, first gear revolve set up in first pivot, first transmission gear revolve set up in the second pivot, second gear revolve set up in the third pivot, second rotating gear revolve set up in the fourth pivot.
Optionally, the generator is located on a side wall of the housing facing away from the sleeve, and a motor shaft of the generator penetrates through the housing and is connected with the motor gear.
Optionally, the first connecting seat includes a first annular sleeve and a first shaft core, the first annular sleeve is connected to one end of the sleeve, an axis of the first annular sleeve is perpendicular to an axis of the sleeve, the first shaft core is rotatably disposed in the first annular sleeve, and two ends of the first shaft core are respectively connected to a first connecting plate;
the second connecting seat comprises a second annular sleeve and a second shaft core, the second annular sleeve is connected to one end of the displacement rod, the axis of the second annular sleeve is perpendicular to that of the displacement rod, the second shaft core is rotatably arranged in the second annular sleeve, and two ends of the second shaft core are respectively connected with a second connecting plate.
In another aspect, the invention provides a vehicle comprising a regenerative suspension as described above.
According to the energy feedback type suspension provided by the invention, the two sides of the second connecting component are respectively provided with the first rack and the second rack, and the first rack and the second rack are deviated from each other, so that the up-and-down displacement of the second connecting component can cause the first gear and the second gear to rotate in opposite directions, and the torque transmission direction of the first one-way clutch mechanism is consistent with that of the second one-way clutch mechanism, so that when the second connecting component moves upwards, only one torque of the first gear and the second gear can be transmitted to the transmission component; when the second connecting assembly descends, the torque of the other one of the first gear and the second gear can be conducted to the transmission assembly; and then guarantee that the second coupling assembling conducts the torque direction of drive assembly is the same when going up and down for the torque direction that the generator received is unanimous, thereby makes the up and down motion of second coupling assembling, and the motor shaft of generator rotates along same direction, has avoided the generator to constantly change inertia loss that the direction of rotation caused along with reciprocating vibration, prolongs the life of generator. Meanwhile, energy generated by the up-down movement of the second connecting component is recycled, and the energy recycling efficiency is further improved. The generator is required to overcome the reaction force of the magnetic field while generating electricity, and a damping function is provided for the relative motion between the first connecting component and the second connecting component.
Drawings
Fig. 1 is a schematic structural diagram of a regenerative suspension provided in an embodiment of the present invention;
FIG. 2 is an exploded view of a regenerative suspension provided by an embodiment of the present invention;
FIG. 3 is a schematic diagram of an internal structure of a regenerative suspension according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating an uplink state of a second connection assembly according to an embodiment of the present invention;
fig. 5 is a schematic view of a downward state of a second connecting assembly according to an embodiment of the present invention;
fig. 6 is an enlarged schematic view at a in fig. 5.
The reference numbers in the drawings of the specification are as follows:
1. a first connection assembly; 11. a first connecting seat; 111. a first annular sleeve; 112. a first shaft core; 113. a first connecting plate; 1131. a first mounting hole; 12. a sleeve; 2. a housing; 121. an opening; 21. a second rotating shaft; 22. a third rotating shaft; 23. a fourth rotating shaft; 3. a generator; 31. a motor gear; 32. a motor shaft; 4. a second connection assembly; 41. a second connecting seat; 411. a second annular sleeve; 412. a second shaft core; 413. a second connecting plate; 4131. a second mounting hole; 42. a displacement rod; 43. a first rack; 44. a second rack; 5. a first gear; 6. a second gear; 7. a first one-way clutch mechanism; 71. a first clutch bevel gear ring; 72. a second clutch bevel gear ring; 721. a right-angled end face; 722. a bevel; 73. a first elastic member; 8. a second one-way clutch mechanism; 81. a third clutch bevel gear ring; 82. a fourth clutch bevel gear ring; 83. a second elastic member; 9. a transmission assembly; 91. a first drive gear; 92. a second transmission gear.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, an embodiment of the present invention provides an energy feedback type suspension, which includes a first connection assembly 1, a second connection assembly 4, a first gear 5, a first one-way clutch mechanism 7, a second gear 6, a second one-way clutch mechanism 8, a transmission assembly 9 and a generator 3, the first connecting component 1 and the second connecting component 4 can be arranged in a reciprocating and relative displacement manner, two side surfaces of the second connecting component 4 which are deviated from each other are respectively provided with a first rack 43 and a second rack 44, the first gear 5 and the second gear 6 are rotatably arranged on the first connecting component 1, the first gear 5 is meshed with the first rack 43, the first gear 5 and the transmission assembly 9 transmit torque in one direction through a first one-way clutch mechanism 7, the first one-way clutch mechanism 7 is used for transmitting the torque of the first gear 5 to the transmission assembly 9 in one way; the second gear 6 is meshed with the second rack 44, the second gear 6 and the transmission assembly 9 transmit torque in one direction through a second one-way clutch mechanism 8, and the second one-way clutch mechanism 8 is used for transmitting the torque of the second gear 6 to the transmission assembly 9 in one direction; the torque transmission direction of the first one-way clutch mechanism 7 and the torque transmission direction of the second one-way clutch mechanism 8 coincide.
The torque transmission direction of the first one-way clutch mechanism 7, i.e. the torque direction of the first gear 5 when the first gear 5 and the transmission assembly 9 are locked with each other. The torque transmission direction of the second one-way clutch mechanism 8, i.e. the torque direction of the second gear 6 when the second gear 6 and the transmission assembly 9 are locked with each other.
The transmission assembly 9 is used for driving the motor shaft 32 of the generator 3 to rotate.
The first connecting assembly 1 and the second connecting assembly 4 are respectively used for connecting two modules which can generate relative vibration, when the regenerative suspension works, because the first rack 43 and the second rack 44 are deviated, the vertical displacement of the second connecting assembly 4 can cause the first gear 5 and the second gear 6 to generate rotation in opposite directions, for example, when the second connecting assembly 4 goes upwards, the first gear 5 rotates in a first direction, and the second gear 6 rotates in a second direction; when the second connecting assembly 4 moves downwards, the first gear 5 rotates in the second direction, and the second gear 6 rotates in the first direction. The torque transmission direction of the first one-way clutch mechanism 7 is consistent with that of the second one-way clutch mechanism 8, so that when the second connecting component 4 moves upwards, the torque of only one of the first gear 5 and the second gear 6 can be transmitted to the transmission component 9; when the second connecting assembly 4 goes down, the torque of the other of the first gear 5 and the second gear 6 can be conducted to the transmission assembly 9; and then guarantee that the torque direction that second coupling assembling 4 conducts to drive assembly 9 is the same when going up and down for the torque direction that generator 3 received is unanimous, thereby makes second coupling assembling 4 go up and down the motion, and generator 3's motor shaft 32 rotates along same direction, has avoided generator 3 to change the inertia loss that the direction of rotation caused constantly along with reciprocating vibration, prolongs generator 3's life. Meanwhile, energy generated by the up-down movement of the second connecting component 4 is recycled, and the energy recycling efficiency is further improved. The generator 3 is required to overcome the reaction force of the magnetic field while generating electricity, and provides a damping function for the relative movement between the first connecting assembly 1 and the second connecting assembly 4.
In the description of the present invention, it is to be understood that the terms "upward" and "downward" and the like indicate orientations or positional relationships based on those shown in the drawings, and the terms "first direction" and "second direction" refer to a direction in which a gear rotates in a forward direction and a direction in which the gear rotates in a reverse direction, such as a clockwise direction and a counterclockwise direction, as viewed from a certain direction, only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 2 and 3, in the present embodiment, the transmission assembly 9 includes a first transmission gear 91 and a second transmission gear 92, a motor gear 31 is disposed on a motor shaft 32 of the generator 3, the first transmission gear 91 is engaged with the motor gear 31, the first gear 5 and the first transmission gear 91 transmit torque in one direction through a first one-way clutch mechanism 7, the second transmission gear 92 is engaged with the motor gear 31, and the second gear 6 and the second transmission gear 92 transmit torque in one direction through a second one-way clutch mechanism 8.
Specifically, the first transmission gear 91 and the second transmission gear 92 are located on two sides of the motor gear 31, and it can be known that the rotation directions of the first transmission gear 91 and the motor gear 31 are opposite, and the rotation directions of the first transmission gear 91 and the second transmission gear 92 are the same, through the above structural arrangement, the following functions can be realized, in the ascending process of the second connection assembly 4, the first transmission gear 91 transmits the torque from the first gear 5 and drives the motor gear 31 to rotate, and the second transmission gear 92 and the second gear 6 rotate freely; in the descending process of the second connecting assembly 4, the second transmission gear 92 transmits the torque from the second gear 6 and drives the motor gear 31 to rotate, and the first transmission gear 91 and the first gear 5 rotate freely.
In other embodiments of the present invention, the first one-way clutch mechanism 7 and the second one-way clutch mechanism 8 may be implemented by various existing one-way clutch mechanisms, such as a roller-type one-way clutch, a friction plate-type one-way clutch, and a spring-type one-way clutch, respectively.
As shown in fig. 2, as a further improved structure of the present invention, in this embodiment, the first gear 5 and the first transmission gear 91 are located on the same axis, the first one-way clutch mechanism 7 includes a first clutch bevel gear 71, a second clutch bevel gear 72 and a first elastic member 73, the first clutch bevel gear 71 is disposed on a side surface of the first gear 5 facing the first transmission gear 91, the second clutch bevel gear 72 is disposed on a side surface of the first transmission gear 91 facing the first gear 5, the first elastic member 73 is used for providing an elastic force for pressing the first transmission gear 91 to the side surface of the first gear 5, and the first clutch bevel gear 71 and the second clutch bevel gear 72 are engaged under the elastic force of the first elastic member 73.
The first clutch bevel gear ring 71 and the second clutch bevel gear ring 72 are formed by arranging a plurality of bevel teeth which are annularly arranged, and the bevel teeth on the first clutch bevel gear ring 71 are opposite to the bevel teeth of the second clutch bevel gear ring 72 in direction.
As shown in fig. 6, taking the second clutch bevel ring gear 72 as an example, the bevel teeth of which are formed with a right-angled end surface 721 and a bevel face 722 of the bevel teeth, it can be understood that the first clutch bevel ring gear 71, the third clutch bevel ring gear 81, and the fourth clutch bevel ring gear 82 have a similar structure to the second clutch bevel ring gear 72.
As shown in fig. 4, when the second connecting assembly 4 moves upwards, the first gear 5 rotates in the first direction, and when the first gear 5 rotates in the first direction, the first clutch bevel gear 71 and the second clutch bevel gear 72 are locked by engaging the right-angled end surfaces of the bevel teeth, and the first gear 5 drives the first transmission gear 91 to rotate.
As shown in fig. 5, when the second coupling assembly 4 moves down, the first gear 5 rotates in the second direction, and when the first gear 5 rotates in the second direction, the first clutch bevel gear 71 and the second clutch bevel gear 72 slide on the inclined surfaces of the bevel gears, and the first gear 5 and the first transmission gear 91 rotate freely relative to each other. The first clutch bevel gear 71, the second clutch bevel gear 72 and the first elastic piece 73 are matched with each other, so that one-way clutch between the first gear 5 and the first transmission gear 91 can be effectively ensured, and the first elastic piece 73 can provide certain elastic pretightening force, so that the right-angle end surfaces of bevel teeth can be mutually embedded when the first clutch bevel gear 71 and the second clutch bevel gear 72 are in locking transmission, and the locking strength between the first clutch bevel gear 71 and the second clutch bevel gear 72 is improved; when the first clutch bevel gear ring 71 and the second clutch bevel gear ring 72 rotate freely, the first elastic piece 73 has elastic effect, and under the inclined surface guide of bevel teeth, the second clutch bevel gear ring 72 and the first clutch bevel gear ring 71 can move axially relatively, so that the friction force between the first clutch bevel gear ring 71 and the second clutch bevel gear ring 72 is reduced, and the first one-way clutch mechanism 7 is simple in structure and small in occupied space.
In some embodiments, the second gear 6 and the second transmission gear 92 are located on the same axis, the second one-way clutch mechanism 8 includes a third clutch bevel gear 81, a fourth clutch bevel gear 82 and a second elastic member 83, the third clutch bevel gear 81 is disposed on the second gear 6 on the side facing the second transmission gear 92, the fourth clutch bevel gear 82 is disposed on the second transmission gear 92 on the side facing the second gear 6, the second elastic member 83 is used for providing an elastic force for pressing the second transmission gear 92 onto the side of the second gear 6, and the third clutch bevel gear 81 and the fourth clutch bevel gear 82 are engaged under the elastic force of the second elastic member 83.
The third clutch bevel gear ring 81 and the fourth clutch bevel gear ring 82 are formed by arranging a plurality of bevel teeth which are annularly arranged, and the bevel teeth on the third clutch bevel gear ring 81 and the bevel teeth of the fourth clutch bevel gear ring 82 are opposite in direction.
As shown in fig. 5, when the second connecting assembly 4 moves downward, the second gear 6 rotates in a first direction, and when the second gear 6 rotates in the first direction, the third clutch bevel gear 81 and the fourth clutch bevel gear 82 are locked by the meshing of the right-angled end surfaces of the bevel teeth, and the second gear 6 drives the second transmission gear 92 to rotate;
as shown in fig. 4, when the second connecting assembly 4 moves upwards, the second gear 6 rotates in the second direction, and when the second gear 6 rotates in the second direction, the third clutch bevel gear 81 and the fourth clutch bevel gear 82 are in sliding contact through the inclined surfaces of the bevel teeth, and due to the existence of the second elastic member 83, the fourth clutch bevel gear 82 and the third clutch bevel gear 81 can perform axial relative movement, and the second gear 6 and the second transmission gear 92 rotate freely relative to each other under the guidance of the inclined surfaces of the bevel teeth.
The third clutch bevel gear ring 81, the fourth clutch bevel gear ring 82 and the second elastic piece 83 are matched with each other, so that one-way clutch between the second gear 6 and the second transmission gear 92 can be effectively ensured, and the second elastic piece 83 can provide certain elastic pretightening force, so that the right-angle end surfaces of bevel teeth can be mutually embedded when the third clutch bevel gear ring 81 and the fourth clutch bevel gear ring 82 are in locking transmission, and the locking strength between the third clutch bevel gear ring 81 and the fourth clutch bevel gear ring 82 is improved; when the third clutch bevel gear ring 81 and the fourth clutch bevel gear ring 82 rotate freely, the elastic action of the second elastic part 83 guides the bevel face of the bevel gear to the lower part, so that the fourth clutch bevel gear ring 82 and the third clutch bevel gear ring 81 can move axially relative to each other, the friction force between the third clutch bevel gear ring 81 and the fourth clutch bevel gear ring 82 is reduced, and the second one-way clutch mechanism 8 is simple in structure and small in occupied space.
In an embodiment, the first elastic member 73 and the second elastic member 83 are springs, the first elastic member 73 abuts against a side of the first transmission gear 91 facing away from the first gear 5, and the second elastic member 83 abuts against a side of the second transmission gear 92 facing away from the second gear 6.
In one embodiment, the pitches of the first rack 43 and the second rack 44 are equal, the numbers of teeth of the first gear 5 and the second gear 6 are equal, and the numbers of teeth of the first transmission gear 91 and the second transmission gear 92 are equal.
With the above arrangement, it can be ensured that the transmission ratio between the first rack 43 and the first gear 5 is equal to the transmission ratio between the second rack 44 and the second gear 6, and the transmission ratio between the first transmission gear 91 and the motor gear 31 is equal to the transmission ratio between the second transmission gear 92 and the motor gear 31. Therefore, the transmission ratio of the second connecting assembly 4 to the generator 3 in the ascending and descending processes is equal, the electromagnetic damping received by the second connecting assembly 4 in the ascending and descending processes can be guaranteed to be equal, and meanwhile, the power generation effect is stable.
As shown in fig. 2, in an embodiment, the first connection assembly 1 includes a first connection seat 11, a sleeve 12 and a housing 2, the housing 2 is located on a side wall of the sleeve 12, the first gear 5, the first one-way clutch mechanism 7, the second gear 6, the second one-way clutch mechanism 8, the first transmission gear 91 and the second transmission gear 92 are accommodated in the housing 2, and the first connection seat 11 is located at a first end of the sleeve 12.
The second connecting assembly 4 includes a displacement rod 42 and a second connecting seat 41, the first rack 43 and the second rack 44 are located at both sidewalls of the displacement rod 42, the second connecting seat 41 is located at a first end of the displacement rod 42, and a second end of the displacement rod 42 is movably inserted into a second end of the sleeve 12.
Specifically, an opening 121 for exposing the first rack 43 and the second rack 44 is formed in a side wall of the sleeve 12, the sleeve 12 has a cylindrical structure, and the housing 2 is disposed outside the opening 121.
In an embodiment, the housing 2 forms a communicating cavity with the sleeve 12 through the opening 121, a first rotating shaft (not shown), a second rotating shaft 21, a third rotating shaft 22 and a fourth rotating shaft 23 are disposed on an inner wall of the housing 2, the first rotating shaft and the second rotating shaft 21 are coaxially disposed, the third rotating shaft 22 and the fourth rotating shaft 23 are coaxially disposed, the first gear 5 is rotatably disposed on the first rotating shaft, the first transmission gear 91 is rotatably disposed on the second rotating shaft 21, the second gear 6 is rotatably disposed on the third rotating shaft 22, and the second transmission gear is rotatably disposed on the fourth rotating shaft 23.
In one embodiment, the generator 3 is located on a side wall of the housing 2 facing away from the sleeve 12, and a motor shaft 32 of the generator 3 passes through the housing 2 and is connected to the motor gear 31.
The first elastic member 73 is sleeved on the second rotating shaft 21, two ends of the first elastic member 73 are respectively abutted against the first transmission gear 91 and the inner wall of the housing 2, the second elastic member 83 is sleeved on the fourth rotating shaft 23, and two ends of the second elastic member 83 are respectively abutted against the second transmission gear 92 and the inner wall of the housing 2.
In an embodiment, the first connection seat 11 includes a first annular sleeve 111 and a first shaft core 112, the first annular sleeve 111 is connected to one end of the sleeve 12, an axis of the first annular sleeve 111 is perpendicular to an axis of the sleeve 12, the first shaft core 112 is rotatably disposed in the first annular sleeve 111, two ends of the first shaft core 112 are respectively connected with a first connection plate 113, the first connection plate 113 is provided with a first mounting hole 1131, and a screw or bolt is inserted through the first mounting hole 1131 to fixedly mount the first connection plate 113 on an external connection structure, such as a vibration load or a support structure, and the sleeve 12 and the external connection structure have a relative rotation space through the first connection seat 11 to adapt to a position offset of the external connection structure.
The second connecting seat 41 includes a second annular sleeve 411 and a second spindle 412, the second annular sleeve 411 is connected to one end of the displacement rod 42, an axis of the second annular sleeve 411 is perpendicular to an axis of the displacement rod 42, the second spindle 412 is rotatably disposed in the second annular sleeve 411, two ends of the second spindle 412 are respectively connected to a second connecting plate 413, the second connecting plate 413 is provided with a second mounting hole 4131, the second connecting plate 413 is fixedly mounted on an external connecting structure, such as a vibration load or a supporting structure, by passing through the second mounting hole 4131 through a screw or a bolt, and the second connecting seat 41 enables the displacement rod 42 and the external connecting structure thereof to have a relative rotation space so as to adapt to a position offset of the external connecting structure.
Another embodiment of the present invention provides a vehicle including a regenerative suspension as described above.
The energy feedback type suspension can effectively convert the generated vibration mechanical energy into electric energy in the running process of the vehicle, the damping generated in the power generation process of the energy feedback type suspension can buffer the vibration generated in the running process of the vehicle, and meanwhile, in the energy feedback type suspension, the rotation directions of the motor shafts 32 of the generator 3 are consistent, so that the energy recovery efficiency is improved, and the service life of the generator 3 is prolonged.
The energy-regenerative suspension can be applied to automobiles or railway vehicles.
In particular, the regenerative suspension can be applied to a monorail bogie.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. An energy feedback type suspension is characterized by comprising a first connecting assembly, a second connecting assembly, a first gear, a first one-way clutch mechanism, a second gear, a second one-way clutch mechanism, a transmission assembly and a generator, wherein the first connecting assembly and the second connecting assembly can be arranged in a reciprocating and relative displacement manner, two side surfaces of the second connecting assembly, which are deviated from each other, are respectively provided with a first rack and a second rack, and the first gear and the second gear are arranged on the first connecting assembly in a rotating manner;
the first gear is meshed with the first rack, and the first gear and the transmission assembly transmit torque in a single direction through a first one-way clutch mechanism; the second gear is meshed with the second rack, and the second gear and the transmission assembly transmit torque in a single direction through a second one-way clutch mechanism; the torque transmission direction of the first one-way clutch mechanism is consistent with the torque transmission direction of the second one-way clutch mechanism;
the transmission assembly is used for driving a motor shaft of the generator to rotate.
2. The regenerative suspension according to claim 1, wherein the transmission assembly comprises a first transmission gear and a second transmission gear, a motor gear is arranged on a motor shaft of the generator, the first transmission gear is meshed with the motor gear, the first gear and the first transmission gear transmit torque in a single direction through a first one-way clutch mechanism, the second transmission gear is meshed with the motor gear, and the second gear and the second transmission gear transmit torque in a single direction through a second one-way clutch mechanism.
3. The energy feedback type suspension of claim 2, wherein the first gear and the first transmission gear are located on the same axis, the first one-way clutch mechanism comprises a first clutch bevel gear ring, a second clutch bevel gear ring and a first elastic member, the first clutch bevel gear ring is arranged on the first gear on the side facing the first transmission gear, the second clutch bevel gear ring is arranged on the first transmission gear on the side facing the first gear, the first elastic member is used for providing an elastic acting force for pressing the first transmission gear to the side of the first gear, and the first clutch bevel gear ring and the second clutch bevel gear ring are engaged under the elastic acting force of the first elastic member;
when the first gear rotates towards a first direction, the first clutch bevel gear ring and the second clutch bevel gear ring are meshed and locked with each other through right-angle end faces of bevel teeth, and the first gear drives the first transmission gear to rotate;
when the first gear rotates towards the second direction, the first clutch bevel gear ring and the second clutch bevel gear ring are in sliding contact through the inclined surfaces of the bevel gears, and the first gear and the first transmission gear rotate freely relatively.
4. The regenerative suspension according to claim 3, wherein the second gear and the second transmission gear are located on the same axis, the second one-way clutch mechanism comprises a third clutch bevel gear, a fourth clutch bevel gear and a second elastic member, the third clutch bevel gear is arranged on the side surface of the second gear facing the second transmission gear, the fourth clutch bevel gear is arranged on the side surface of the second transmission gear facing the second gear, the second elastic member is used for providing an elastic acting force for pressing the second transmission gear to the side surface of the second gear, and the third clutch bevel gear and the fourth clutch bevel gear are engaged under the elastic acting force of the second elastic member;
when the second gear rotates towards the first direction, the third clutch bevel gear ring and the fourth clutch bevel gear ring are meshed and locked with each other through right-angle end faces of bevel teeth, and the second gear drives the second transmission gear to rotate;
when the second gear rotates towards the second direction, the third clutch bevel gear ring and the fourth clutch bevel gear ring are in sliding contact through the bevel of the bevel gear, and the second gear and the second transmission gear rotate relatively freely.
5. The regenerative suspension of claim 4, wherein the first elastic member and the second elastic member are springs, the first elastic member abuts against a side of the first transmission gear facing away from the first gear, and the second elastic member abuts against a side of the second transmission gear facing away from the second gear.
6. The regenerative suspension of claim 2, wherein the first and second racks have equal pitch, the first and second gears have equal numbers of teeth, and the first and second gears have equal numbers of teeth.
7. The regenerative suspension of claim 2, wherein the first linkage assembly comprises a first linkage seat, a sleeve, and a housing, the housing being located on a sidewall of the sleeve, the first gear, the first one-way clutch mechanism, the second gear, the second one-way clutch mechanism, the first transmission gear, and the second transmission gear being received in the housing, the first linkage seat being located at a first end of the sleeve;
the second connecting assembly comprises a displacement rod and a second connecting seat, the first rack and the second rack are located on two side walls of the displacement rod, the second connecting seat is located at the first end of the displacement rod, and the second end of the displacement rod is movably inserted into the second end of the sleeve.
8. The energy feedback type suspension of claim 7, wherein an opening is formed in a sidewall of the sleeve for exposing the first rack and the second rack, and the housing is disposed outside the opening.
9. The energy feedback type suspension of claim 7, wherein a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft are disposed on an inner wall of the housing, the first rotating shaft and the second rotating shaft are coaxially disposed, the third rotating shaft and the fourth rotating shaft are coaxially disposed, the first gear is rotatably disposed on the first rotating shaft, the first transmission gear is rotatably disposed on the second rotating shaft, the second gear is rotatably disposed on the third rotating shaft, and the second transmission gear is rotatably disposed on the fourth rotating shaft.
10. The regenerative suspension of claim 7, wherein the generator is located on a side wall of the housing facing away from the sleeve, and a motor shaft of the generator passes through the housing and connects to the motor gear.
11. The regenerative suspension of claim 7, wherein the first connection seat comprises a first annular sleeve and a first shaft core, the first annular sleeve is connected to one end of the sleeve, the axis of the first annular sleeve is perpendicular to the axis of the sleeve, the first shaft core is rotatably disposed in the first annular sleeve, and two ends of the first shaft core are respectively connected with a first connection plate;
the second connecting seat comprises a second annular sleeve and a second shaft core, the second annular sleeve is connected to one end of the displacement rod, the axis of the second annular sleeve is perpendicular to that of the displacement rod, the second shaft core is rotatably arranged in the second annular sleeve, and two ends of the second shaft core are respectively connected with a second connecting plate.
12. A vehicle comprising a regenerative suspension according to any of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703104.1A CN112297744A (en) | 2019-07-31 | 2019-07-31 | Energy feedback type suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703104.1A CN112297744A (en) | 2019-07-31 | 2019-07-31 | Energy feedback type suspension and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112297744A true CN112297744A (en) | 2021-02-02 |
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ID=74486143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703104.1A Pending CN112297744A (en) | 2019-07-31 | 2019-07-31 | Energy feedback type suspension and vehicle |
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| Country | Link |
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| CN (1) | CN112297744A (en) |
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| CN114785042A (en) * | 2021-12-28 | 2022-07-22 | 北京福乐云数据科技有限公司 | Swing generator and wearable health monitoring device |
| WO2023097248A3 (en) * | 2021-11-23 | 2023-06-29 | Ashot Salvaryan | Regenerative energy system using direct kinetic energy transfer to a generator |
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