CN220527813U - Piezoelectric-mechanical electromagnetic composite type vibration energy feedback device for electric tractor - Google Patents
Piezoelectric-mechanical electromagnetic composite type vibration energy feedback device for electric tractor Download PDFInfo
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- CN220527813U CN220527813U CN202320744873.8U CN202320744873U CN220527813U CN 220527813 U CN220527813 U CN 220527813U CN 202320744873 U CN202320744873 U CN 202320744873U CN 220527813 U CN220527813 U CN 220527813U
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- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
A piezoelectric-mechanical electromagnetic composite type electric tractor vibration energy feedback device comprises a piezoelectric energy feedback module, a mechanical electromagnetic energy feedback module, an upper box body, a first damping spring, annular balls, a lower box body, a second damping spring and a baffle plate; the top of the upper box body is used for being connected with a battery pack of the electric tractor; the bottom of the lower box body is connected with a chassis of the electric tractor; a piezoelectric energy feedback module is arranged in the lower box body; the mechanical electromagnetic energy feeding module is arranged in the lower box body; the bottom of the first damping spring is arranged on the lower box body, and the top of the first damping spring is connected with the upper box body; the upper box body and the lower box body are connected through the annular balls and the baffle plate, so that the upper box body vibrates up and down relative to the lower box body. The bottom of the second damping spring is arranged on the piezoelectric energy feedback module, and the top of the second damping spring is connected with the upper box body. The utility model has the characteristics of compact and reliable structure, high energy recovery efficiency and shock absorption function.
Description
Technical Field
The utility model relates to the technical field of vibration energy recovery of electric vehicles, in particular to a piezoelectric-mechanical electromagnetic composite type vibration energy feedback device of an electric tractor.
Background
At present, the energy density of a power battery is low, so that the endurance mileage and the working efficiency of the electric tractor are limited. The electric tractor can meet the conditions of ditching, ridge climbing, mud crossing and the like in the running process, and the vehicle body can generate stronger vibration under the excitation of the ground, so that favorable conditions are created for capturing and recycling vibration energy. Compared with road excitation, the field ground excitation has the characteristics of wide frequency band and large amplitude, so that the electric tractor vibration energy feedback device with wide adaptive frequency band and high recovery efficiency is required to convert wasted vibration energy into electric energy to charge a power battery, and further the endurance mileage of the electric tractor is improved.
At present, the structure of the energy feedback device of the electric vehicle is mainly divided into a crank connecting rod type, a linear motor type, a hydraulic type, a ball screw type and a rolling type. The crank connecting rod type structure has larger volume and is unfavorable for space arrangement when various structural forms are analyzed; the linear motor type damping device has the defects of poor damping effect and relatively low reliability; the hydraulic pressure has the phenomena of hydraulic oil loss and friction heat generation, and the mechanical efficiency is low; the ball screw type has relatively small volume, the damping force basically meets the requirement, but the transmission part has low efficiency; rolling type piezoelectric structure is compact, but energy conversion rate is insufficient under the influence of transmission form. Meanwhile, most of the current energy feedback devices only adopt a single energy conversion mechanism, and the energy recovery efficiency is low.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the vibration energy feedback device of the piezoelectric-mechanical electromagnetic composite electric tractor, which has the characteristics of compact and reliable structure, high energy recovery efficiency and shock absorption function.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the piezoelectric-mechanical electromagnetic composite type vibration energy feedback device of the electric tractor comprises a piezoelectric energy feedback module A, a mechanical electromagnetic energy feedback module B, an upper box body 1, a first damping spring 2, an annular ball 3, a lower box body 4, a second damping spring 10 and a baffle 9;
the top of the upper box body 1 is used for being connected with a battery pack of an electric tractor; the bottom of the lower box body 4 is connected with an electric tractor chassis;
the piezoelectric energy feedback module A and the mechanical electromagnetic energy feedback module B are arranged in the lower box body 4;
the bottom of the first damping spring 2 is arranged on the lower box body 4, and the top of the first damping spring is connected with the upper box body 1; the annular surface of the annular ball 3 is vertical, the baffle 9 is a vertical baffle, and the upper box 1 and the lower box 4 are connected through the annular ball 3 and the baffle 9, so that the upper box 1 can vibrate up and down relative to the lower box 4;
the bottom of the second damping spring 10 is disposed on the upper cover plate 7 of the piezoelectric energy feedback module a, and the top is connected with the eighth connecting rod 41 of the upper case 1.
The upper box 1 comprises a first connecting rod 31, a second connecting rod 32, a third connecting rod 36, a fourth connecting rod 37, a fifth connecting rod 38, a sixth connecting rod 39, a seventh connecting rod 40, an eighth connecting rod 41, a ninth connecting rod 42, a tenth connecting rod 43, a deep groove ball bearing 44, a first bearing seat 11, a second bearing seat 8 and a third bearing seat 15;
the connecting rods are cuboid hollow steel tubes, and the first connecting rod 31 and the fourth connecting rod 37 are arranged below the sixth connecting rod 39 and are used for fixing two ends of the second connecting rod 32 and the third connecting rod 36; the ninth connecting rod 42 and the tenth connecting rod 43 are disposed between the two fourth connecting rods 37, and are respectively used for installing the first bearing seat 11 and the third bearing seat 15; both ends of the second bearing 8 are respectively arranged on the ninth connecting rod 42 and the tenth connecting rod 43; the fifth connecting rod 38 is used for connecting and fixing a ninth connecting rod 42 and a tenth connecting rod 43; the sixth connecting rod 39 is connected with the seventh connecting rod 40 end to end, and the eighth connecting rod 41 is arranged on the sixth connecting rod 39 and is used for connecting a battery pack of the electric tractor; the deep groove ball bearings 44 are mounted on the first bearing housing 11, the second bearing housing 8 and the third bearing housing 15 for mounting the gear shaft 13 and the second bevel gear shaft 26, respectively.
The lower case 4 includes an eleventh connecting rod 45, a twelfth connecting rod 46, a thirteenth connecting rod 47, a fourteenth connecting rod 48, a fifteenth connecting rod 49, a sixteenth connecting rod 50, a seventeenth connecting rod 51, an eighteenth connecting rod 52, a nineteenth connecting rod 53, a twentieth connecting rod 54, a twentieth connecting rod 55, a twenty-second connecting rod 56, and a twenty-third connecting rod 57;
the connecting rods are all cuboid hollow steel tubes, the twenty-third connecting rod 57 and the twelfth connecting rod 46 are connected end to form the bottom of the lower box body 4, and the eighteenth connecting rod 52 and the nineteenth connecting rod 53 are connected end to form the top of the lower box body 4; the eleventh connecting rod 45 and the fifteenth connecting rod 49 are arranged at the bottom of the lower box body 4 and are used for connecting the top of the lower box body 4; the thirteenth connecting rod 47, the fourteenth connecting rod 48 and the sixteenth connecting rod 50 are arranged on the twelfth connecting rod 46 at the bottom of the lower case 4, wherein the thirteenth connecting rod 47 and the fourteenth connecting rod 48 are used for installing the lower bottom plate 18 of the piezoelectric energy feeding module a; the seventeenth connecting rod 51 is disposed at two ends of the sixteenth connecting rod 50, and is used for fixing the bottom of the twenty second connecting rod 56; one end of the twenty-first connecting rod 55 is arranged on the twentieth connecting rod 54, and the other end is used for fixing the back of the twenty-second connecting rod 56; the twenty-second connecting rod 56 is used for mounting the rack 29.
The bottom of the first damping spring 2 is mounted on the fourteenth connecting rod 48 of the lower case 4, and the top is connected with the eighth connecting rod 41 of the upper case 1.
The annular ball 3 comprises a guide rail 33, a ball 34 and a base 35, wherein the ball 34 is installed in the guide rail 33 and rotates along the guide rail 33, the guide rail 33 is installed on the base 35, and the base 33 is installed on the second connecting rod 32 and the third connecting rod 36 of the upper box body 1.
The baffle plate 9 is arranged on a fifteenth connecting rod 49 of the lower box body 4 and is connected with the annular ball 3, so that the annular ball 3 can roll up and down along the baffle plate 9.
The piezoelectric energy feedback module A comprises a protection plate 5, a third damping spring 6, an upper cover plate 7, a long upright post 16, a fulcrum 17, a lower bottom plate 18, a lever 19, a short upright post 20, a piezoelectric substrate 21, piezoelectric ceramics 22 and a damping spring 23;
the piezoelectric energy feedback module A is arranged on a thirteenth connecting rod 47 and a fourteenth connecting rod 48 of the lower box body 4; the upper cover plate 7, the lower bottom plate 18 and the protection plate 5 are all cuboid steel plates, and the lower bottom plate 18 is connected with the protection plate 5; the bottom of the upper cover plate 7 is connected with the protection plate 5 through a third damping spring 6, so that the upper cover plate 7 vibrates up and down in a reciprocating manner; the piezoelectric substrate 21 is arranged between the long upright 16 and the short upright 20, and the piezoelectric ceramic 22 is arranged on the piezoelectric substrate 21; the fulcrum 17 is arranged at the bottom 1/3 groove of the lever 19, and the lever 19 can rotate up and down along the fulcrum 17; the bottom of the long upright post 16 is hinged with a lever 19 and is used for triggering the lever 19 to rotate downwards; the short upright post 20 is arranged on the lever 19 and is used for driving the piezoelectric substrate 21 to rotate upwards and compressing the buffer spring 23; the bottom of the buffer spring 23 is arranged on the short upright post 20, and the top of the buffer spring is connected with the bottom of the upper cover plate 7.
The mechanical electromagnetic energy feeding module B comprises a gear shaft 13, a rack 29, a first bevel gear 12, a second bevel gear 27, a second bevel gear shaft 26, a third bevel gear 14, a first one-way clutch 28, a second one-way clutch 30, a coupler 24 and a direct current generator 25; two ends of the gear shaft 13 of the mechanical electromagnetic energy feedback module B are arranged in the first bearing seat 11 and the third bearing seat 15 through the deep groove ball bearings 44; the second bevel gear shaft 26 is mounted inside the second bearing seat 8 through the deep groove ball bearing 44; the rack 29 is meshed with the gear shaft 13, the lower end of the rack 29 is fixed on a seventeenth connecting rod 51 of the lower box body 4, and the back surface of the rack 29 is fixed on a twenty second connecting rod 56 of the lower box body 4; the first bevel gear 12 and the third bevel gear 14 are mounted on the gear shaft 13 through a first one-way clutch 28 and a second one-way clutch 30, and both are simultaneously meshed with the second bevel gear 27; the second bevel gear shaft 26 is connected to the direct current generator 25 via the coupling 24.
The eighth connecting rod 41 of the upper case 1 is connected with the lithium battery pack of the electric tractor through a hinge, and the twenty-third connecting rod 57 of the lower case 4 is connected with the chassis of the electric tractor through a hinge.
The utility model has the beneficial effects that:
1. the device can convert vibration energy generated in the running process of the electric tractor into electric energy, and supply the electric energy to the power battery to prolong the endurance mileage of the electric tractor.
2. The device can reduce the impact and vibration of the power battery pack and improve the safety of the battery pack of the electric tractor.
3. The device has the advantages of compact and reliable structure, high energy recovery efficiency, wide adaptive frequency band, quick response, reliable structure, good shock absorption and convenient arrangement.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the structure of the present utility model.
Fig. 3 is a structural cross-sectional view of the piezoelectric energy feedback module of the present utility model.
Fig. 4 is a schematic structural diagram of the mechanical electromagnetic energy feedback module of the present utility model.
Fig. 5 is a schematic structural view of the upper case of the present utility model.
Fig. 6 is a schematic structural view of the lower case of the present utility model.
In the drawings, the components represented by the respective reference numerals are as follows: the piezoelectric energy feedback module A, the mechanical electromagnetic energy feedback module B, the upper box body 1, the first damping spring 2, the annular ball 3, the lower box body 4, the protection plate 5, the third damping spring 6, the upper cover plate 7, the second bearing seat 8, the baffle plate 9, the second damping spring 10, the first bearing seat 11, the first bevel gear 12, the gear shaft 13, the third bevel gear 14, the third bearing seat 15, the long upright 16, the fulcrum 17, the lower bottom plate 18, the lever 19, the short upright 20, the piezoelectric substrate 21, the piezoelectric ceramic 22, the buffer spring 23, the coupler 24, the direct current generator 25, the second bevel gear shaft 26, the second bevel gear 27, the first one-way clutch 28, the rack 29, the second one-way clutch 30 the first connecting rod 31, the second connecting rod 32, the guide rail 33, the balls 34, the base 35, the third connecting rod 36, the fourth connecting rod 37, the fifth connecting rod 38, the sixth connecting rod 39, the seventh connecting rod 40, the eighth connecting rod 41, the ninth connecting rod 42, the tenth connecting rod 43, the deep groove ball bearing 44, the eleventh connecting rod 45, the twelfth connecting rod 46, the thirteenth connecting rod 47, the fourteenth connecting rod 48, the fifteenth connecting rod 49, the sixteenth connecting rod 50, the seventeenth connecting rod 51, the eighteenth connecting rod 52, the nineteenth connecting rod 53, the twentieth connecting rod 54, the twentieth connecting rod 55, the twenty-second connecting rod 56, and the twenty-third connecting rod 57.
Detailed Description
The present utility model will be described in further detail with reference to examples.
A piezoelectric-mechanical electromagnetic composite type vibration energy feedback device of an electric tractor is composed of the following parts: the piezoelectric energy feedback module A, the mechanical electromagnetic energy feedback module B, the upper box body 1, the first damping spring 2, the annular ball 3, the lower box body 4, the second damping spring 10 and the baffle 9;
the eighth connecting rod 41 of the upper case 1 is connected with the lithium battery pack of the electric tractor through a hinge, and the twenty-third connecting rod 57 of the lower case 4 is connected with the chassis of the electric tractor through a hinge.
In this embodiment, the upper case and the lower case are welded by square steel of different sizes.
In order to facilitate the understanding of the operation of the device of the present utility model, the operation of the utility model is described as follows:
the first bearing seat 11, the second bearing seat 8 and the third bearing seat 15 in fig. 1 are fixed on the upper box body through hinge connection, one end of the gear shaft 13 is installed in the first bearing seat 15 through a deep groove ball bearing 44, and the other end is installed in the third bearing seat 15; the second bevel gear is mounted in the second bearing housing by a deep groove ball bearing 44; the back of the rack 29 is fixed on a twenty-second connecting rod 56 of the lower box 4; the first damping spring 2 is fixed between the upper and lower cases 4, and the second damping spring 10 is fixed between the eighth connecting rod 41 of the upper case 1 and the upper cover plate 7, so as to provide restoring force for the upward vibration of the upper case 1.
In fig. 2, a is the piezoelectric energy feeding module, and B is the mechanical electromagnetic energy feeding module; the annular ball 3 is mounted on the upper box 1, the baffle 9 is welded on the fifteenth connecting rod 49 of the lower box 4, and the upper box 1 can vibrate up and down along the baffle 9 through the annular ball 3.
In fig. 3, the third damping spring 6 is fixed between the upper cover 7 and the protection plate 5, and the upper cover can vibrate up and down; the upper end face of the long upright post 16 is contacted with the upper cover plate 7, when the upper cover plate 7 vibrates downwards, the left end of the lever 19 is driven to rotate downwards along the fulcrum 17, the right end of the lever 19 drives the short upright post 20 to move upwards, and in the process, the piezoelectric substrate 21 bends upwards to deform to drive the piezoelectric ceramics 22 to deform, so that the piezoelectric effect is caused to generate electric energy; the buffer spring 23 is a light spring for absorbing a part of vibration to improve the safety of the device and provides a restoring force to quickly restore the lever 19 to the equilibrium position.
The gear shaft 13 moves up and down along with the upper case 1 in fig. 4, performs a meshing motion with the rack 29, and then power is input to the gear shaft 13; the gear shaft 13 transmits power in only one direction and idles in the other rotation direction due to the first one-way clutch 28 and the second one-way clutch 30 installed in the first bevel gear 12 and the third bevel gear 12; the first bevel gear 12 serves as a driving wheel to transmit power to the second bevel gear 27 in the downward movement stroke of the upper case; in the upward movement stroke of the upper case, the third bevel gear 12 serves as a driving wheel to transmit power to the second bevel gear 27; the second bevel gear 27 always rotates in one direction, and the generator 25 is driven to continuously operate through the coupling 24 to generate electric energy.
According to the device, part of vibration energy generated by the electric tractor in the running process can be input into the mechanical electromagnetic module, and power is output to the generator to generate electric energy through gear-rack transmission, first bevel gears, second bevel gears and third bevel gears; the other part of the power is transmitted to the piezoelectric energy feedback module, the long stand column is driven to rotate through the upper cover plate, power is transmitted to the left end of the lever, and then the right end of the lever drives the short stand column to move upwards, so that piezoelectric ceramics are deformed to generate a piezoelectric effect, and electric energy is finally output; the electric energy of the power battery is finally combined with the electric energy generated by the mechanical electromagnetic energy feeding module to charge the power battery.
The motion of the upper box body is divided into a lower stroke and an upper stroke according to the bidirectional vibration on the car body:
the following journey: in the downward movement process of the upper box body 1, on one hand, the gear shaft 13 and the rack 29 are driven to carry out meshing movement, the gear shaft is in clockwise movement, at the moment, the first bevel gear 12 serves as a driving wheel to transmit power to the second bevel gear 27 through bevel gear transmission, the second bevel gear 27 rotates anticlockwise at the moment, and finally the second bevel gear 27 drives the generator 25 to rotate anticlockwise through the coupler 24 to generate electric energy; on the other hand, power is transmitted to the upper cover plate 7 through the second damping spring 10, at the moment, the second damping spring 10 and the third damping spring 6 are in a compressed state, then the upper cover plate drives the long upright post to rotate, the power is transmitted to the left end of the lever to enable the lever 19 to rotate downwards along the supporting point 17, then the right end of the lever drives the short upright post to move upwards, so that piezoelectric ceramic deforms to generate a piezoelectric effect, and finally electric energy is generated.
Upstroke: in the upward movement process of the upper box body 1, on one hand, the gear shaft 13 and the rack 29 are driven to carry out meshing movement, the gear shaft 13 moves anticlockwise, at the moment, the third bevel gear 14 serves as a driving wheel to transmit power to the second bevel gear 27 through bevel gear transmission, and the second bevel gear drives the generator to work through the coupler to generate electric energy; on the other hand, the second damper spring 10 and the third damper spring 6 are both in a return state during the upward movement of the upper case 1, the third damper spring 6 applies a return force to the upper cover 7 to move the upper cover upward, and the damper spring 23 is also in a return state, and the right end of the lever is applied a return force to return the lever 19 to a balanced state during the upward movement of the upper cover 7, and the piezoelectric substrate and the piezoelectric ceramics are also restored to the balanced position.
Claims (8)
1. The piezoelectric-mechanical electromagnetic composite type electric tractor vibration energy feedback device is characterized by comprising a piezoelectric energy feedback module (A), a mechanical electromagnetic energy feedback module (B), an upper box body (1), a first damping spring (2), annular balls (3), a lower box body (4), a second damping spring (10) and a baffle plate (9);
the top of the upper box body (1) is used for being connected with a battery pack of the electric tractor; the bottom of the lower box body (4) is connected with an electric tractor chassis;
the piezoelectric energy feedback module (A) and the mechanical electromagnetic energy feedback module (B) are arranged in the lower box body (4);
the bottom of the first damping spring (2) is arranged on the lower box body (4), and the top of the first damping spring is connected with the upper box body (1); the annular surface of the annular ball (3) is vertical, the baffle (9) is a vertical baffle, and the upper box body (1) and the lower box body (4) are connected through the annular ball (3) and the baffle (9), so that the upper box body (1) can vibrate up and down relative to the lower box body (4);
the bottom of the second damping spring (10) is arranged on the upper cover plate (7) of the piezoelectric energy feedback module (A), and the top of the second damping spring is connected with the eighth connecting rod (41) of the upper box body (1).
2. The vibration energy feedback device of the piezoelectric-mechanical electromagnetic composite electric tractor according to claim 1, wherein the upper box body (1) comprises a first connecting rod (31), a second connecting rod (32), a third connecting rod (36), a fourth connecting rod (37), a fifth connecting rod (38), a sixth connecting rod (39), a seventh connecting rod (40), an eighth connecting rod (41), a ninth connecting rod (42), a tenth connecting rod (43), a deep groove ball bearing (44), a first bearing seat (11), a second bearing seat (8) and a third bearing seat (15);
the connecting rods are cuboid hollow steel tubes, and the first connecting rod (31) and the fourth connecting rod (37) are arranged below the sixth connecting rod (39) and are used for fixing two ends of the second connecting rod (32) and the third connecting rod (36); the ninth connecting rod (42) and the tenth connecting rod (43) are arranged between the two fourth connecting rods (37) and are respectively used for installing the first bearing seat (11) and the third bearing seat (15); two ends of the second bearing (8) are respectively arranged on a ninth connecting rod (42) and a tenth connecting rod (43); the fifth connecting rod (38) is used for connecting and fixing a ninth connecting rod (42) and a tenth connecting rod (43); the sixth connecting rod (39) is connected with the seventh connecting rod (40) end to end, and the eighth connecting rod (41) is arranged on the sixth connecting rod (39) and is used for connecting a battery pack of the electric tractor; the deep groove ball bearings (44) are arranged on the first bearing seat (11), the second bearing seat (8) and the third bearing seat (15) and are respectively used for installing the gear shaft (13) and the second bevel gear shaft (26).
3. A piezoelectricity-mechano-electromagnetic composite electric tractor vibration energy feed device according to claim 1, characterized in that the lower case (4) comprises an eleventh connecting rod (45), a twelfth connecting rod (46), a thirteenth connecting rod (47), a fourteenth connecting rod (48), a fifteenth connecting rod (49), a sixteenth connecting rod (50), a seventeenth connecting rod (51), an eighteenth connecting rod (52), a nineteenth connecting rod (53), a twentieth connecting rod (54), a twentieth connecting rod (55), a twenty second connecting rod (56) and a twenty third connecting rod (57);
the connecting rods are cuboid hollow steel tubes, the twenty-third connecting rod (57) and the twelfth connecting rod (46) are connected end to form the bottom of the lower box body (4), and the eighteenth connecting rod (52) and the nineteenth connecting rod (53) are connected end to form the top of the lower box body (4); the eleventh connecting rod (45) and the fifteenth connecting rod (49) are arranged at the bottom of the lower box body (4) and are used for connecting the top of the lower box body (4); the thirteenth connecting rod (47), the fourteenth connecting rod (48) and the sixteenth connecting rod (50) are arranged on a twelfth connecting rod (46) at the bottom of the lower box body (4), wherein the thirteenth connecting rod (47) and the fourteenth connecting rod (48) are used for installing a lower bottom plate (18) of the piezoelectric energy feeding module (A); the seventeenth connecting rod (51) is provided with sixteenth connecting rods (50) at two ends for fixing the bottom of the twenty second connecting rod (56); one end of the twenty-first connecting rod (55) is arranged on the twentieth connecting rod (54), and the other end of the twenty-first connecting rod is used for fixing the back of the twenty-second connecting rod (56); the twenty-second connecting rod (56) is used for installing a rack (29).
4. A vibration energy feedback device of a piezoelectric-mechanical electromagnetic composite electric tractor according to claim 3, characterized in that the bottom of the first damping spring (2) is mounted on the fourteenth connecting rod (48) of the lower box body (4), and the top is connected with the eighth connecting rod (41) of the upper box body (1).
5. A vibration energy feedback device for a piezoelectric-mechanical electromagnetic composite electric tractor according to claim 3, wherein the annular ball (3) comprises a guide rail (33), a ball (34) and a base (35), the ball (34) is installed in the guide rail (33) and rotates along the guide rail (33), the guide rail (33) is installed on the base (35), and the base (35) is installed on a second connecting rod (32) and a third connecting rod (36) of the upper box (1).
6. A vibration energy feedback device for a piezoelectric-mechanical electromagnetic composite electric tractor according to claim 3, wherein the baffle plate (9) is arranged on a fifteenth connecting rod (49) of the lower box body (4) and is connected with the annular ball (3), so that the annular ball (3) can roll up and down along the baffle plate (9).
7. A vibration energy feedback device of a piezoelectric-mechanical electromagnetic composite electric tractor according to claim 3, characterized in that the piezoelectric energy feedback module (a) comprises a protection plate (5), a third damping spring (6), an upper cover plate (7), a long upright (16), a fulcrum (17), a lower bottom plate (18), a lever (19), a short upright (20), a piezoelectric substrate (21), piezoelectric ceramics (22) and a buffer spring (23);
the piezoelectric energy feedback module (A) is arranged on a thirteenth connecting rod (47) and a fourteenth connecting rod (48) of the lower box body (4); the upper cover plate (7), the lower bottom plate (18) and the protection plate (5) are all cuboid steel plates, and the lower bottom plate (18) is connected with the protection plate (5); the bottom of the upper cover plate (7) is connected with the protection plate (5) through a third damping spring (6) so that the upper cover plate (7) vibrates up and down in a reciprocating manner; the piezoelectric substrate (21) is arranged between the long upright post (16) and the short upright post (20), and the piezoelectric ceramic (22) is arranged on the piezoelectric substrate (21); the fulcrum (17) is arranged at the bottom 1/3 groove of the lever (19), and the lever (19) can rotate up and down along the fulcrum (17); the bottom of the long upright post (16) is hinged with the lever (19) and is used for triggering the lever (19) to rotate downwards; the short upright post (20) is arranged on the lever (19) and is used for driving the piezoelectric substrate (21) to rotate upwards and compressing the buffer spring (23); the bottom of the buffer spring (23) is arranged on the short upright post (20), and the top of the buffer spring is connected with the bottom of the upper cover plate (7).
8. The vibration energy feeding device of the piezoelectric-mechanical electromagnetic composite electric tractor according to claim 2, wherein the mechanical electromagnetic energy feeding module (B) comprises a gear shaft (13), a rack (29), a first bevel gear (12), a second bevel gear (27), a second bevel gear shaft (26), a third bevel gear (14), a first one-way clutch (28), a second one-way clutch (30), a coupler (24) and a direct current generator (25); two ends of a gear shaft (13) of the mechanical electromagnetic energy feedback module (B) are arranged inside the first bearing seat (11) and the third bearing seat (15) through deep groove ball bearings (44); the second bevel gear shaft (26) is arranged inside the second bearing seat (8) through the deep groove ball bearing (44); the rack (29) is meshed with the gear shaft (13), the lower end of the rack (29) is fixed on a seventeenth connecting rod (51) of the lower box body (4), and the back of the rack is fixed on a twenty second connecting rod (56) of the lower box body (4); the first bevel gear (12) and the third bevel gear (14) are arranged on the gear shaft (13) through a first one-way clutch (28) and a second one-way clutch (30), and are simultaneously meshed with the second bevel gear (27); the second bevel gear shaft (26) is connected with the direct current generator (25) through the coupling (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320744873.8U CN220527813U (en) | 2023-04-07 | 2023-04-07 | Piezoelectric-mechanical electromagnetic composite type vibration energy feedback device for electric tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320744873.8U CN220527813U (en) | 2023-04-07 | 2023-04-07 | Piezoelectric-mechanical electromagnetic composite type vibration energy feedback device for electric tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527813U true CN220527813U (en) | 2024-02-23 |
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ID=89930710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320744873.8U Active CN220527813U (en) | 2023-04-07 | 2023-04-07 | Piezoelectric-mechanical electromagnetic composite type vibration energy feedback device for electric tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527813U (en) |
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2023
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