CN218702576U - Driving axle with leaf spring suspension structure for electric tractor - Google Patents
Driving axle with leaf spring suspension structure for electric tractor Download PDFInfo
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- CN218702576U CN218702576U CN202120574171.0U CN202120574171U CN218702576U CN 218702576 U CN218702576 U CN 218702576U CN 202120574171 U CN202120574171 U CN 202120574171U CN 218702576 U CN218702576 U CN 218702576U
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- leaf spring
- assembly
- transaxle
- pin
- shock absorber
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Abstract
The utility model belongs to the technical field of the tractor, a electric tractor leaf spring suspended structure transaxle is related to, including the transaxle, the transaxle passes through the U-shaped bolt fastening on leaf spring hangs, leaf spring hangs including leaf spring assembly, bumper shock absorber assembly and leaf spring seat, the below of transaxle is equipped with the leaf spring fixing base, the last plane assembly of the lower plane laminating leaf spring assembly of leaf spring fixing base, the last plane assembly of the lower plane laminating leaf spring seat of leaf spring assembly, and the wheel limit axle and the leaf spring seat fastening connection that the U-shaped bolt passed the transaxle, the lower extreme connecting hole of bumper shock absorber assembly articulates on the round pin axle one of leaf spring seat. The utility model provides an electric traction car leaf spring suspended structure transaxle has strengthened the antidetonation of vehicle, shock-absorbing capacity.
Description
Technical Field
The utility model belongs to the technical field of the tractor, a electric tractor leaf spring suspended structure transaxle is related to.
Background
In general, in an electric tractor with a transverse traction motor, a drive axle is connected with a frame by direct connection due to space limitation. The direct connection is to directly fix the drive axle to the frame. The connecting mode is easy to produce jolt when the vehicle passes through an uneven road surface, and the vehicle without the damping device can cause discomfort of drivers and passengers, thus being easy to cause driving fatigue and accidents.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, provide an electric traction car leaf spring suspended structure transaxle, strengthened the antidetonation of vehicle, shock-absorbing capacity.
In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an electric traction car leaf spring suspended structure transaxle, includes the transaxle, the transaxle passes through the U-shaped bolt fastening on leaf spring hangs, leaf spring hangs including leaf spring assembly, bumper shock absorber assembly and leaf spring seat, the below of transaxle is equipped with the leaf spring fixing base, and the last plane assembly of the lower plane laminating leaf spring assembly of leaf spring fixing base, the last plane assembly of the lower plane laminating leaf spring seat of leaf spring assembly, the wheel limit axle and the leaf spring seat fastening connection that the U-shaped bolt passed the transaxle, the lower extreme connecting hole of bumper shock absorber assembly articulates on the round pin axle one of leaf spring seat, and assembly back bumper shock absorber assembly can rotate around round pin axle one.
In foretell electric traction car leaf spring suspended structure transaxle, leaf spring hangs including the left leaf spring who sets up symmetrically and hangs with right leaf spring, and left leaf spring hangs and hangs with right leaf spring and have the same structure, and every leaf spring of group hangs and is equipped with a pair of U-shaped bolt to be located the both sides of leaf spring assembly respectively.
In the above-mentioned transaxle with the leaf spring suspension structure for the electric tractor, the front fixing lug of the leaf spring assembly is provided with a second pin shaft, the second pin shaft is hinged to a corresponding leaf spring fixing support on the frame, and the leaf spring suspension can swing around the front fixing lug after assembly.
In foretell electric traction car leaf spring suspended structure transaxle, the both sides of the back fixed ear of leaf spring assembly are provided with back leaf spring round pin and lug plate respectively, and back leaf spring round pin and lug plate are upper and lower diplopore structure, and round pin axle three is worn to be equipped with in the lower extreme hole of back leaf spring round pin, back fixed ear and lug plate, and above-mentioned subassembly can rotate around round pin axle three after the assembly, and round pin axle four is worn to be equipped with in the upper end hole of back leaf spring round pin and lug plate, round pin axle four and the articulated assembly of leaf spring fixed bolster that corresponds on the frame, when leaf spring hung around the swing of preceding fixed ear after the assembly, back leaf spring round pin and lug plate can depend on the swing.
In foretell electric traction car leaf spring suspended structure transaxle, the round pin axle between back leaf spring round pin and the lug plate is four to overlap and is established the steel backing bearing, the steel backing bearing overcoat is equipped with a pair of leaf spring round pin bush, and leaf spring round pin bush assembly is in the hole of the leaf spring fixing support who corresponds on the frame.
In the above-mentioned electric traction car leaf spring suspension structure transaxle, the upper end mounting hole of bumper shock absorber assembly is articulated with the bumper shock absorber fixed pin that corresponds on the frame.
In the above-mentioned electric tractor leaf spring suspended structure transaxle, the round pin axle in the hinge structure passes through gasket and auto-lock nut axial fixation.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses changed the transaxle structure on the traditional tractor, fixed the transaxle earlier on leaf spring hangs, the repacking on the frame. Thereby enhancing the shock resistance and shock absorption capacity of the vehicle and improving the driving and riding comfort of the vehicle; the fatigue strength of the driver is reduced, and the driving safety is improved. Meanwhile, the dual functions of the steel plate spring and the shock absorber are utilized, so that the shock resistance and shock absorption capacity are further enhanced.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the leaf spring suspension of the present invention;
FIG. 3 is an exploded view of the leaf spring suspension of the present invention;
reference numerals: 1. a drive axle; 2. a U-shaped bolt; 3. a leaf spring assembly; 4. a damper assembly; 5. a plate spring seat; 6. a plate spring fixing seat; 7. a first pin shaft; 8. a front fixing lug; 9. a second pin shaft; 10. a rear fixing lug; 11. a rear leaf spring pin; 12. a lug plate; 13. a third pin shaft; 14. a pin shaft IV; 15. a steel backed bearing; 16. a leaf spring pin bushing.
Detailed Description
The invention will be further described in the following by way of example with reference to the accompanying drawings, in which reference is made to figures 1 to 3:
the utility model provides an electric traction car leaf spring suspended structure transaxle, includes transaxle 1, transaxle 1 is fixed on leaf spring hangs through U-shaped bolt 2, leaf spring hangs including leaf spring assembly 3, bumper shock absorber assembly 4 and leaf spring seat 5, transaxle 1's below is equipped with leaf spring fixing base 6, and the last plane assembly of the lower plane laminating leaf spring assembly 3 of leaf spring fixing base 6, the last plane assembly of the lower plane laminating leaf spring seat 5 of leaf spring assembly 3, U-shaped bolt 2 pass the wheel limit axle and the 5 fastening connection of leaf spring seat of transaxle 1.
In order to obtain a more stable anti-seismic and shock-absorbing structure, the leaf spring suspension comprises a left leaf spring suspension and a right leaf spring suspension which are symmetrically arranged, the left leaf spring suspension and the right leaf spring suspension have the same structure, and each leaf spring suspension is provided with a pair of U-shaped bolts 2 and respectively positioned at two sides of a leaf spring assembly 3.
Referring to fig. 3, the specific assembly structure of the leaf spring assembly 3 is as follows: a second pin shaft 9 is arranged on a front fixing lug 8 of the steel plate spring assembly 3, the second pin shaft 9 is hinged with a corresponding steel plate spring fixing support on the frame, and the steel plate spring can swing around the front fixing lug 8 after being assembled; the both sides of the fixed ear 10 in back of leaf spring assembly 3 are provided with back leaf spring round pin 11 and lug plate 12 respectively, and back leaf spring round pin 11 and lug plate 12 are diplopore structure from top to bottom, and round pin axle three 13 is worn to be equipped with in the lower extreme hole of back leaf spring round pin 11, the lower extreme hole of back fixed ear 10 and lug plate 12, and above-mentioned subassembly can rotate around round pin axle three 13 after the assembly, and round pin axle four 14 is worn to be equipped with in the upper end hole of back leaf spring round pin 11 and the upper end hole of lug plate 12, the articulated assembly of leaf spring fixed bearing who corresponds on round pin axle four 14 and the frame, when leaf spring hung around the swing of preceding fixed ear 8 after the assembly, back leaf spring round pin 11 and lug plate 12 can be attached to the swing.
Furthermore, a steel back bearing 15 is sleeved on the fourth pin shaft 14 between the rear plate spring pin 11 and the lifting lug plate 12, a pair of plate spring pin bushings 16 are sleeved outside the steel back bearing 15, and the plate spring pin bushings 16 are assembled in inner holes of corresponding plate spring fixing supports on the frame.
The concrete assembling structure of the shock absorber is as follows: the lower end connecting hole of the shock absorber assembly 4 is hinged to a first pin shaft 7 of the plate spring seat 5, the shock absorber assembly 4 can rotate around the first pin shaft 7 after assembly, and the upper end mounting hole of the shock absorber assembly 4 is hinged to a corresponding shock absorber fixing pin on the frame. The shock absorber assembly 4 is preferably a hydraulic barrel shock absorber.
The utility model discloses an assembly process is: firstly, assembling related components of a front fixing lug 8 and a rear fixing lug 10 of a leaf spring assembly 3, namely a pin shaft II 9, a pin shaft III 13, a pin shaft IV 14, a rear leaf spring pin 11, a lifting lug plate 12 and the like, and then assembling a shock absorber assembly 4 on a leaf spring seat 5; then, the drive axle 1, the steel plate spring assembly 3 and the plate spring seat 5 are fastened and connected into a whole by utilizing the U-shaped bolt 2; after the drive axle 1 and the leaf spring are suspended into a whole, the front fixing lug 8 and the rear fixing lug 10 are assembled on the corresponding part of the frame in a hinged mode, and finally the upper end mounting hole of the shock absorber assembly 4 is also assembled on the frame.
The utility model discloses a shock attenuation principle is: when the vehicle passes through an uneven road surface, the steel plate spring assembly can swing, the hydraulic cylinder type shock absorber can do telescopic motion when the steel plate spring swings, and the shock energy is attenuated through the damping action of the shock absorber. The steel plate spring serves as an elastic element to play a buffering role, so that when a vehicle passes through an uneven road surface, the change of the wheel jumping positioning parameters is reduced, the vehicle has good responsiveness and controllability, and through proper design and adjustment, the vehicle obtains reasonable configuration in three aspects of driving, riding comfort, driving smoothness and control stability, and has good road adaptability.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides an electric traction car leaf spring suspension structure transaxle, includes transaxle (1), its characterized in that, transaxle (1) is fixed on leaf spring hangs through U-shaped bolt (2), leaf spring hangs including leaf spring assembly (3), bumper shock absorber assembly (4) and leaf spring seat (5), the below of transaxle (1) is equipped with leaf spring fixing base (6), the last plane assembly of the lower plane laminating leaf spring assembly (3) of leaf spring fixing base (6), the last plane assembly of the lower plane laminating leaf spring seat (5) of leaf spring assembly (3), and U-shaped bolt (2) pass the wheel limit axle and leaf spring seat (5) fastening connection of transaxle (1), the lower extreme connecting hole of bumper shock absorber assembly (4) articulates on round pin axle (7) of leaf spring seat (5).
2. The drive axle of an electric tractor steel plate spring suspension structure as claimed in claim 1, characterized in that the steel plate spring suspension comprises a left steel plate spring suspension and a right steel plate spring suspension which are symmetrically arranged, each set of steel plate spring suspension is equipped with a pair of U-shaped bolts (2) and is respectively positioned at two sides of the steel plate spring assembly (3).
3. The drive axle of the leaf spring suspension structure of the electric tractor according to the claim 1, characterized in that the front fixing lug (8) of the leaf spring assembly (3) is provided with a second pin shaft (9), and the second pin shaft (9) is hinged with the corresponding leaf spring fixing support on the frame.
4. The drive axle of the leaf spring suspension structure of the electric tractor according to claim 1, characterized in that two sides of the rear fixing lug (10) of the leaf spring assembly (3) are respectively provided with a rear leaf spring pin (11) and a lifting lug plate (12), the rear leaf spring pin (11) and the lifting lug plate (12) are of an upper and lower double-hole structure, a pin shaft three (13) is arranged in a lower end hole of the rear leaf spring pin (11), a lower end hole of the rear fixing lug (10) and a lower end hole of the lifting lug plate (12), a pin shaft four (14) is arranged in an upper end hole of the rear leaf spring pin (11) and an upper end hole of the lifting lug plate (12), and the pin shaft four (14) is hinged with the corresponding leaf spring fixing support on the frame.
5. The transaxle of an electric tractor according to claim 4, wherein a steel back bearing (15) is sleeved on the pin shaft four (14) between the rear leaf spring pin (11) and the suspension lug plate (12), a pair of leaf spring pin bushings (16) is sleeved outside the steel back bearing (15), and the leaf spring pin bushings (16) are assembled in the inner holes of the corresponding leaf spring fixing supports on the frame.
6. The transaxle of an electric tractor according to claim 1 wherein the shock absorber assembly (4) has an upper mounting hole that is hinged to a corresponding shock absorber fixing pin on the frame.
7. The electric traction vehicle leaf spring suspension drive axle according to claim 3, 4 or 5, characterized in that the pin shaft in the hinge structure is axially fixed by a gasket and a self-locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574171.0U CN218702576U (en) | 2021-03-19 | 2021-03-19 | Driving axle with leaf spring suspension structure for electric tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120574171.0U CN218702576U (en) | 2021-03-19 | 2021-03-19 | Driving axle with leaf spring suspension structure for electric tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218702576U true CN218702576U (en) | 2023-03-24 |
Family
ID=85581861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120574171.0U Active CN218702576U (en) | 2021-03-19 | 2021-03-19 | Driving axle with leaf spring suspension structure for electric tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218702576U (en) |
-
2021
- 2021-03-19 CN CN202120574171.0U patent/CN218702576U/en active Active
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