CN114382821A

CN114382821A - Light truck energy harvesting leaf spring device

Info

Publication number: CN114382821A
Application number: CN202111441069.4A
Authority: CN
Inventors: 许恩永; 黄其柏; 李壮; 肖剑锋; 赵开阳; 杨功卓; 童嘉豪
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-22
Anticipated expiration: 2041-11-30
Also published as: CN114382821B

Abstract

The invention discloses a light truck energy-harvesting plate spring device which comprises a damping assembly, wherein the damping assembly comprises an energy-harvesting plate spring device and a plate spring seat, the energy-harvesting plate spring device is of an annular structure, and the plate spring seat is fixedly arranged on the outer wall of the energy-harvesting plate spring device; the energy storage assembly comprises an energy harvesting damper and a mounting seat, the energy harvesting damper is mounted at the bottom of the plate spring seat, and the mounting seat is elastically mounted at the bottom of the energy harvesting damper; according to the energy-harvesting plate spring device for the light truck, provided by the invention, the vibration energy on the truck frame can be converted into electric energy to be recycled, the utilization rate of the energy is improved, the damping effect of the plate spring is enhanced by using the gas extrusion effect matched with the rubber balloon, the transmission vibration level is reduced, and the comfort of the whole truck is improved.

Description

Light truck energy harvesting leaf spring device

Technical Field

The invention relates to the technical field of truck shock absorption and energy storage, in particular to an energy-harvesting plate spring device for a light truck.

Background

The stability and comfort of light trucks often place high demands on the vibration damping handling of the chassis of the vehicle body. The damping element on the chassis comprises a plate spring, a lining, a damper and the like, and functionally, the plate spring can be matched with the damper to greatly relieve the impact of vertical loads on front and rear axles, but the traditional plate spring design still has the defects, on one hand, the traditional plate spring is simple in structure and heavy, the damping performance adjustment is usually limited in the adjustment of friction plates between the plate springs, and therefore the damping parameter adjustment means and the effect are poor. On the other hand, the material and the compactness of the plate spring of the conventional plate spring system need to be strictly checked, and the maintenance, early-stage manufacturing, maintenance and adjustment costs and the period are higher because the plate spring is in a circulating high-load service environment for a long time. In addition, with the continuous development of the technical pursuit of energy conservation and emission reduction of automobiles, how to recover the vibration energy of the existing vehicles and improve the utilization efficiency of the vehicle-mounted battery 16 is also a problem to be solved urgently at present.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the problems occurring in the prior art.

Therefore, the technical problems to be solved by the invention are that the stability of the existing truck is poor, and the damage of vibration to the chassis in the driving process is large.

In order to solve the technical problems, the invention provides the following technical scheme: a light truck energy-harvesting plate spring device comprises a shock absorption assembly, wherein the shock absorption assembly comprises an energy-harvesting plate spring device and a plate spring seat, the energy-harvesting plate spring device is of an annular structure, and the plate spring seat is fixedly arranged on the outer wall of the energy-harvesting plate spring device; and the energy storage assembly comprises an energy harvesting damper and a mounting seat, the energy harvesting damper is mounted at the bottom of the plate spring seat, and the mounting seat is elastically mounted at the bottom of the energy harvesting damper.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the energy-harvesting plate spring device comprises an installation plate spring, a middle plate spring and a transmission plate spring, wherein the installation plate spring, the middle plate spring and the transmission plate spring are all of arc-shaped structures and are installed in an overlapped elastic mode.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the mounting plate spring is characterized in that lifting lugs are arranged at two ends of the mounting plate spring, an opening is formed in one lifting lug, fixing plates are arranged on two sides, close to one lifting lug, of the mounting plate spring, two sides of the same end of the middle plate spring and two sides of the same end of the transmission plate spring are hinged to the fixing plates, and the transmission plate spring is stacked on the middle plate spring.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the middle plate spring can be overlapped and provided with a plurality of and same one end and is articulated with the fixed plate in proper order, keep away from the one end elastic connection of articulated department relatively between middle plate spring and the installation plate spring, keep away from the one end elastic connection of articulated department relatively between middle plate spring and the transmission plate spring.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the installation leaf spring outer wall is gone up and is provided with the globular arch of rubber all circumference on the outer wall of middle leaf spring, equal circumference is provided with the gasbag room on the inner wall of middle leaf spring and on the inner wall of transmission leaf spring, the globular arch of rubber on the installation leaf spring is located the gasbag room on the middle leaf spring, and the globular arch of rubber on the middle leaf spring is located the gasbag room on the transmission leaf spring.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the both sides of middle leaf spring and transmission leaf spring are run through and are provided with the through-hole, the through-hole runs through the intercommunication with the gasbag room.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the bottom of the plate spring seat is provided with a first inclined end face and a second inclined end face, the first end face and the second end face are connected to form a V-shaped structure, the energy harvesting damper is of the V-shaped structure, a third end face and a fourth end face are arranged on the energy harvesting damper, the third end face is fixedly connected with the first end face in a fit mode, and the fourth end face is fixedly connected with the second end face in a fit mode.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the energy harvesting damper is provided with a fifth end face opposite to the third end face, the energy harvesting damper is provided with a sixth end face opposite to the fourth end face, the installation seat is arranged at the bottom of the energy harvesting damper, and the fifth end face and the sixth end face are respectively and elastically connected with the installation seat.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the square groove has all been seted up on fifth terminal surface and the sixth terminal surface, and the square groove is provided with the iron core, and the fixed excitation spring that is provided with on the iron core, the excitation spring tip extends and crosses the iron core tip and connect the mount pad.

As a preferable aspect of the light truck energy harvesting leaf spring device of the invention, wherein: the terminal surface of mount pad orientation iron core is gone up to fix and is provided with excitation coil, excitation coil sets up with the axle center with the iron core, the iron core stretches into in the excitation coil.

The invention has the beneficial effects that: according to the energy-harvesting plate spring device for the light truck, provided by the invention, the vibration energy on the truck frame can be converted into electric energy to be recycled, the utilization rate of the energy is improved, the damping effect of the plate spring is enhanced by using the gas extrusion effect matched with the rubber balloon, the transmission vibration level is reduced, and the comfort of the whole truck is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is an exploded view of a shock absorbing assembly in a first embodiment.

Figure 2 is an assembly view of the shock absorbing assembly in the first embodiment.

Fig. 3 is a structural view of an energy storage module in the first embodiment.

Fig. 4 is a structural view of a energy-capturing leaf spring device in a first embodiment.

Fig. 5 is a mounting structure view of the core in the first embodiment.

Fig. 6 is a view showing the fitting structure of the air bag chamber and the rubber ball-shaped protrusion in the first embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 6, a first embodiment of the present invention provides an energy harvesting plate spring device for a light truck, which includes a shock absorbing assembly 100 and an energy storage assembly 200, wherein the energy storage assembly 200 is mounted at the bottom of the shock absorbing assembly 100, two ends of the shock absorbing assembly 100 are fixedly hooked on an axle of a rear wheel of the truck, the truck bumps during driving, the shock absorbing assembly 100 can effectively reduce shock and transmit the shock energy to the energy storage assembly 200, and kinetic energy is converted into a computer for a vehicle-mounted battery.

The shock absorption assembly 100 comprises an energy-capturing leaf spring device 101 and a leaf spring seat 102, the energy-capturing leaf spring device 101 is of an arc-shaped structure, the energy-capturing leaf spring device 101 is provided with an inner wall and an outer wall, the inner wall is a concave surface, the leaf spring seat 102 is fixedly installed on the outer wall of the energy-capturing leaf spring device 101, and the energy storage assembly 200 is connected with the leaf spring seat 102.

The energy storage assembly 200 comprises an energy capturing damper 201 and a mounting seat 202, the energy capturing damper 201 is mounted at the bottom of the plate spring seat 102, the bottom of the plate spring seat 102 is a surface relatively far away from the outer wall of the plate spring seat 102, the mounting seat 202 is elastically mounted at the bottom of the energy capturing damper 201, an energy storage component is arranged between the energy capturing damper 201 and the mounting seat 202, and kinetic energy is excited to generate electric energy through elastic vibration.

The shape of the mounting seat 202 is matched with the shape structure of the axle, and the mounting seat is stably connected and mounted on the axle.

The energy capturing leaf spring device 101 includes a mounting leaf spring 101a, an intermediate leaf spring 101b, and a transmission leaf spring 101c, and the mounting leaf spring 101a, the intermediate leaf spring 101b, and the transmission leaf spring 101c are elastically mounted in an arc-shaped configuration. Specifically, the mounting plate spring 101a, the intermediate plate spring 101b, and the transmission plate spring 101c may be circular arc-shaped annular plates having the same contour dimension, and the intermediate plate spring 101b is located between the mounting plate spring 101a and the transmission plate spring 101 c.

Furthermore, two ends of the plate-mounting spring 101a are provided with lifting lugs 101a-1, one lifting lug 101a-1 is provided with an opening 101a-2, the lifting lug 101a-1 is used for being fixed on a vehicle frame, the other lifting lug 101a-1 is fixedly arranged at the wheel side part, two sides of the mounting plate spring 101a close to the one lifting lug 101a-1 are provided with fixing plates 101a-3, two sides of the same end of the middle plate spring 101b and the transmission plate spring 101c are hinged with the fixing plates 101a-3, and the transmission plate spring 101c is overlapped on the middle plate spring 101 b.

The middle plate spring 101b can be stacked and provided with a plurality of middle plate springs 101b, the structure of each middle plate spring 101b is the same, one end of each middle plate spring 101b which is the same is sequentially hinged with the fixing plate 101a-3, one end of each middle plate spring 101b which is far away from the hinge is elastically connected with the installation plate spring 101a, and one end of each middle plate spring 101b which is far away from the hinge is elastically connected with the transmission plate spring 101 c. The hinged end of the middle plate spring 101b and the transmission plate spring 101c can only be fixed and rotated, and the end elastically connected with each other can elastically fluctuate up and down, and a certain distance is arranged among the installation plate spring 101a, the middle plate spring 101b and the transmission plate spring 101 c.

Further, rubber spherical protrusions 101a-4 are circumferentially arranged on the outer wall of the installation plate spring 101a and the outer wall of the middle plate spring 101b, air bag chambers 101b-1 are circumferentially arranged on the inner wall of the middle plate spring 101b and the inner wall of the transmission plate spring 101c, and when the middle plate spring 101b and the transmission plate spring 101c elastically fluctuate up and down, the rubber spherical protrusions 101a-4 can move in the air bag chambers 101b-1 to vibrate and extrude air in the air bag chambers 101b-1, so that vehicle bumping vibration is relieved.

Through holes A are arranged on two sides of the middle plate spring 101b and the transmission plate spring 101c in a penetrating mode and communicated with the airbag chamber 101b-1 in a penetrating mode. The rubber ball-shaped protrusion 101a-4 can press air out of the through hole a when moving in the air bag chamber 101 b-1.

The airbag chamber 101b-1 is a sunken bag-shaped structure and the airbag chamber 101b-1 is a two-layer structure, the interior of the airbag chamber is filled with gas, the two sides of the airbag chamber 101b-1 are in elastic fit, the gas can be discharged to generate damping by the impact of the rubber spherical bulge 101a-4 on the airbag chamber 101b-1, then the airbag chamber 101b-1 can restore to the bag-shaped structure by self characteristics, the air can be continuously sucked from the through hole A, and preparation is made for the next impact, as shown in FIG. 6.

The bottom of the plate spring seat 102 is provided with a first inclined end face 102a and a second inclined end face 102b, the first end face 102a and the second end face 102b are connected to form a V-shaped structure, the first end face 102a and the second end face 102b face outwards relatively, the energy harvesting damper 201 is also in a V-shaped structure and matched with the plate spring seat 102, the energy harvesting damper 201 is provided with a third end face 201a and a fourth end face 201b, and the third end face 201a and the fourth end face 201b face inwards obliquely and are respectively matched with the first end face 102a and the second end face 102 b; specifically, the third end surface 201a is fixedly connected to the first end surface 102a, and the fourth end surface 201b is fixedly connected to the second end surface 102 b.

The energy capturing damper 201 is provided with a fifth end surface 201c opposite to the third end surface 201a, the energy capturing damper 201 is provided with a sixth end surface 201d opposite to the fourth end surface 201b, the mounting seat 202 is positioned at the bottom of the energy capturing damper 201, and the fifth end surface 201c and the sixth end surface 201d are respectively elastically connected with the mounting seat 202.

The fifth end face 201c and the sixth end face 201d are both provided with square grooves B, iron cores B-1 are arranged in the square grooves B, excitation springs B-2 are fixedly arranged on the iron cores B-1, and the end portions of the excitation springs B-2 extend over the end portions of the iron cores B-1 and are connected with the mounting base 202.

An excitation coil 202a is fixedly arranged on the end face, facing the iron core B-1, of the mounting seat 202, the excitation coil 202a and the iron core B-1 are arranged coaxially, and the iron core B-1 extends into the excitation coil 202 a. When the truck vibrates, kinetic energy is transmitted to the energy capturing damper 201, then the iron core B-1 in the square groove B acts along the axial direction, the end face, facing the iron core B-1, of the mounting seat 202 is fixedly provided with the exciting coil 202a, the iron core B-1 moves along the axial direction in the exciting coil 202a under the action of the exciting spring B-2 to generate exciting current, and the exciting current can be communicated to a vehicle-mounted battery.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a light truck energy harvesting leaf spring device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the shock absorption assembly (100) comprises an energy-harvesting leaf spring device (101) and a leaf spring seat (102), wherein the energy-harvesting leaf spring device (101) is of an annular structure, and the leaf spring seat (102) is fixedly arranged on the outer wall of the energy-harvesting leaf spring device (101); and the number of the first and second groups,

the energy storage assembly (200) comprises an energy harvesting damper (201) and a mounting seat (202), the energy harvesting damper (201) is mounted at the bottom of the plate spring seat (102), and the mounting seat (202) is elastically mounted at the bottom of the energy harvesting damper (201).

2. The light truck energy harvesting leaf spring arrangement of claim 1, wherein: the energy-capturing leaf spring device (101) comprises an installation leaf spring (101a), a middle leaf spring (101b) and a transmission leaf spring (101c), wherein the installation leaf spring (101a), the middle leaf spring (101b) and the transmission leaf spring (101c) are all in arc-shaped structures and are installed in an overlapped elastic mode.

3. The light truck energy harvesting leaf spring arrangement of claim 1, wherein: the mounting plate spring is characterized in that lifting lugs (101a-1) are arranged at two ends of the mounting plate spring (101a), an opening (101a-2) is formed in one lifting lug (101a-1), fixing plates (101a-3) are arranged on two sides, close to one lifting lug (101a-1), of the mounting plate spring (101a), two sides of the same end of the middle plate spring (101b) and the transmission plate spring (101c) are hinged to the fixing plates (101a-3), and the transmission plate spring (101c) is overlapped on the middle plate spring (101 b).

4. The light truck energy harvesting leaf spring arrangement of claim 3, wherein: the middle plate spring (101b) can be overlapped and provided with a plurality of same ends which are sequentially hinged with the fixing plates (101a-3), one end, relatively far away from the hinged part, of the middle plate spring (101b) is elastically connected with the mounting plate spring (101a), and one end, relatively far away from the hinged part, of the middle plate spring (101b) is elastically connected with the transmission plate spring (101 c).

5. The light truck energy harvesting leaf spring arrangement of claim 2, wherein: the installation leaf spring (101a) outer wall and the equal circumference in outer wall of middle leaf spring (101b) are provided with the spherical arch of rubber (101a-4), equal circumference is provided with gasbag room (101b-1) on the inner wall of middle leaf spring (101b) and on the inner wall of transmission leaf spring (101c), the spherical arch of rubber (101a-4) on installation leaf spring (101a) is located gasbag room (101b-1) on middle leaf spring (101b), and the spherical arch of rubber (101a-4) on middle leaf spring (101b) is located gasbag room (101b-1) on transmission leaf spring (101 c).

6. The light truck energy harvesting leaf spring arrangement of claim 5, wherein: the two sides of the middle plate spring (101b) and the transmission plate spring (101c) are provided with through holes (A) in a penetrating mode, and the through holes (A) are communicated with the air bag chambers (101b-1) in a penetrating mode.

7. The light truck energy harvesting leaf spring arrangement of claim 6, wherein: the bottom of the plate spring seat (102) is provided with a first inclined end face (102a) and a second inclined end face (102b), the first end face (102a) and the second end face (102b) are connected to form a V-shaped structure, the energy harvesting damper (201) is of a V-shaped structure, a third end face (201a) and a fourth end face (201b) are arranged on the energy harvesting damper (201), the third end face (201a) is attached to the first end face (102a) in a fixed connection mode, and the fourth end face (201b) is attached to the second end face (102b) in a fixed connection mode.

8. The light truck energy harvesting leaf spring arrangement of claim 7, wherein: the energy harvesting damper (201) is provided with a fifth end surface (201c) opposite to the third end surface (201a), the energy harvesting damper (201) is provided with a sixth end surface (201d) opposite to the fourth end surface (201b), the mounting seat (202) is positioned at the bottom of the energy harvesting damper (201), and the fifth end surface (201c) and the sixth end surface (201d) are respectively in elastic connection with the mounting seat (202).

9. The light truck energy harvesting leaf spring arrangement of claim 8, wherein: square grooves (B) are formed in the fifth end face (201c) and the sixth end face (201d), an iron core (B-1) is arranged in each square groove (B), an excitation spring (B-2) is fixedly arranged on each iron core (B-1), and the end portion of each excitation spring (B-2) extends over the end portion of each iron core (B-1) and is connected with the mounting seat (202).

10. The light truck energy harvesting leaf spring arrangement of claim 9, wherein: the end face, facing the iron core (B-1), of the mounting seat (202) is fixedly provided with an excitation coil (202a), the excitation coil (202a) and the iron core (B-1) are arranged coaxially, and the iron core (B-1) stretches into the excitation coil (202 a).