CN215599937U - Differential mechanism model for teaching - Google Patents
Differential mechanism model for teaching Download PDFInfo
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- CN215599937U CN215599937U CN202121468744.8U CN202121468744U CN215599937U CN 215599937 U CN215599937 U CN 215599937U CN 202121468744 U CN202121468744 U CN 202121468744U CN 215599937 U CN215599937 U CN 215599937U
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Abstract
The utility model discloses a differential mechanism model for teaching, which comprises a rectangular base, wherein a differential mechanism locking simulation mechanism is arranged on the upper surface of the rectangular base, and a differential mechanism running mechanism is arranged on the upper surface of the rectangular base. The differential lock simulation mechanism has the advantages that the change of the motion state of the corresponding gear of the differential under different working conditions can be simulated through the action of the differential lock simulation mechanism, so that a student can fully know the working principle of the differential and the differential lock.
Description
Technical Field
The utility model relates to the technical field of differential model application, in particular to a differential model for teaching.
Background
The automobile differential mechanism can realize the mechanism that the left, right or front and rear driving wheels rotate at different rotating speeds, mainly comprises a left half-axle gear, a right half-axle gear, two planet gears and a gear carrier, when the automobile turns or runs on an uneven road surface, the left wheel and the right wheel roll at different rotating speeds, namely, the wheels are driven by two sides to do pure rolling motion, and the differential mechanism is arranged for adjusting the rotating speed difference of the left wheel and the right wheel;
in the teaching process of the differential mechanism model major, students need to combine the practice of the real object to understand more quickly and accurately when understanding most structures in the automobile structure, the existing differential mechanism teaching models are reduced copy models of the automobile differential mechanism, the structures of the existing differential mechanism teaching models are basically the same as the real automobile differential mechanism, and the existing differential mechanism teaching models are all composed of gear trains; however, students cannot clearly observe the mutual change relationship of all the components during working, and the existing differential teaching model is single in function and cannot simulate the working states of the differential under different working conditions.
SUMMERY OF THE UTILITY MODEL
In view of the above defects, the present invention provides a differential model for teaching, which solves the above problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a differential mechanism model for teaching comprises a rectangular base, wherein a differential mechanism locking simulation mechanism is arranged on the upper surface of the rectangular base, and a differential mechanism running mechanism is arranged on the upper surface of the rectangular base;
the differential mode locking simulation mechanism comprises a rectangular frame arranged on the upper surface of a rectangular base, through holes I are formed in two sides of the rectangular frame, vertical bearings are arranged on the upper surface of the rectangular base, two pairs of vertical bearings are arranged, a first transmission shaft is arranged on the inner ring of each vertical bearing, and a driven wheel is arranged at one end of each transmission shaft; a linear motor is mounted on the side surface of the rectangular frame, a first limiting ring is mounted at the telescopic end of the linear motor, a second bearing is mounted at the inner ring of the first limiting ring, a second limiting ring is mounted at the inner ring of the second bearing, a rotating disc is mounted at one end of the second limiting ring, a second through hole is formed in one side of the rotating disc, a first transmission shaft penetrates through the second through hole, and a conical column is mounted on the side surface of the rotating disc; spacing pipe is installed to the rectangular frame both sides, and rectangle strip is installed to spacing pipe one side, rectangle strip and spacing pipe sliding connection, and rectangle strip side surface mounting has rack one, and annular wear pad is installed to rectangle strip one end, and the side surface mounting of rectangular frame has the double-shaft motor, and the double-shaft motor output is installed and is toothed wheel one with rack intermeshing.
Furthermore, the differential mechanism running mechanism comprises a horizontal bearing on one side of a rectangular frame, a sun gear is mounted on the inner ring of the horizontal bearing, a gear frame is mounted on one side of the sun gear, planetary gears are mounted on two sides of the gear frame and are meshed with a driven wheel, a third through hole is formed in the side surface of the gear frame, and the third through hole corresponds to the position of the conical column.
Furthermore, a rotating motor is arranged on the side surface of the rectangular frame, and a driving wheel meshed with the sun gear is arranged at the rotating end of the rotating motor.
Furthermore, a limiting groove is formed in the inner ring of the through hole II, a limiting strip is arranged on the surface of one side of the transmission shaft, and the position of the limiting strip corresponds to that of the limiting groove.
The utility model has the beneficial effects that: the change of the motion state of the corresponding gear of the differential mechanism under different working conditions can be simulated through the action of the differential lock simulation mechanism, so that a student can fully know the working principle of the differential mechanism and the differential lock.
Drawings
FIG. 1 is a schematic structural view of a differential model for teaching according to the present invention;
FIG. 2 is a schematic view of a spacing groove;
FIG. 3 is a first schematic view of a rectangular bar;
FIG. 4 is a side schematic view of a gear frame;
FIG. 5 is a second schematic view of a rectangular bar;
in the figure, 1, a rectangular base; 2. a rectangular frame; 3. a first through hole; 4. a vertical bearing; 5. a first transmission shaft; 6. a driven wheel; 7. a linear motor; 8. a first limiting ring; 9. a second bearing; 10. a second limiting ring; 11. rotating the disc; 12. a second through hole; 13. a tapered post; 14. a limiting pipe; 15. a rectangular strip; 16. a first rack; 17. an annular wear pad; 18. a double-shaft motor; 19. a first gear; 20. a horizontal bearing; 21. a sun gear; 22. a gear frame; 23. a planetary gear; 24. a third through hole; 25. a rotating electric machine; 26. a driving wheel; 27. a limiting groove; 28. and (5) a limiting strip.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, a differential mechanism model for teaching comprises a rectangular base 1, wherein a differential lock simulation mechanism is arranged on the upper surface of the rectangular base 1, and a differential mechanism running mechanism is arranged on the upper surface of the rectangular base 1;
the differential mode locking simulation mechanism comprises a rectangular frame 2 arranged on the upper surface of a rectangular base 1, through holes I3 are formed in two sides of the rectangular frame 2, vertical bearings 4 are arranged on the upper surface of the rectangular base 1, two pairs of the vertical bearings 4 are arranged, a transmission shaft I5 is arranged on the inner ring of each vertical bearing 4, and a driven wheel 6 is arranged at one end of each transmission shaft I5; a linear motor 7 is arranged on the side surface of the rectangular frame 2, a first limit ring 8 is arranged at the telescopic end of the linear motor 7, a second bearing 9 is arranged on the inner ring of the first limit ring 8, a second limit ring 10 is arranged on the inner ring of the second bearing 9, a rotating disc 11 is arranged at one end of the second limit ring 10, a second through hole 12 is formed in one side of the rotating disc 11, a first transmission shaft 5 penetrates through the second through hole 12, and a conical column 13 is arranged on the side surface of the rotating disc 11; spacing pipe 14 is installed to 2 both sides of rectangular frame, and rectangle strip 15 is installed to spacing pipe 14 one side, rectangle strip 15 and spacing pipe 14 sliding connection, and rack 16 is installed to rectangle strip 15 side surface, and annular wear pad 17 is installed to rectangle strip 15 one end, and double-shaft motor 18 is installed to 2 side surfaces of rectangular frame, and double-shaft motor 18 output end is installed and is had a gear 19 with rack 16 intermeshing.
The differential operating mechanism comprises a horizontal bearing 20 arranged on one side of a rectangular frame 2, a sun gear 21 is arranged on the inner ring of the horizontal bearing 20, a gear frame 22 is arranged on one side of the sun gear 21, planetary gears 23 are arranged on two sides of the gear frame 22, the planetary gears 23 are mutually meshed with a driven wheel 6, a through hole III 24 is formed in the side surface of the gear frame 22, and the through hole III 24 corresponds to the position of a conical column 13.
A rotating motor 25 is installed on the side surface of the rectangular frame 2, and a driving pulley 26 which is engaged with the sun gear 21 is installed on the rotating end of the rotating motor 25.
The inner ring of the second through hole 12 is provided with a limiting groove 27, the side surface of the first transmission shaft 5 is provided with a limiting strip 28, and the position of the limiting strip 28 corresponds to the position of the limiting groove 27.
In the embodiment, the electric equipment of the equipment is controlled by an external controller, when the equipment runs on a paved road, the access of a differential lock is generally not needed, at the moment, the conical column 13 and the third through hole 24 are in a separated state, the controller controls the rotating motor 25 to rotate, power is simulated to be input to a differential, the rotating motor 25 drives the driving wheel 26 to rotate, the driving wheel 26 drives the sun gear 21 to rotate, the sun gear 21 can stably rotate under the action of the horizontal bearing 20, the sun gear 21 drives the gear frame 22 to rotate, the gear frame 22 drives the planetary gear 23 to revolve around the circle center of the sun gear 21, at the moment, the resistance on two ends of the first transmission shaft 5 is the same, the driven wheel 6 and the planetary gear 23 are in a relatively static state, and the rotating speeds of the first transmission shafts 5 are the same; when the vehicle turns, the left wheel and the right wheel have a certain rotation speed difference, and the device enables the rotation speed of the wheels at the inner ring to be zero for understanding;
the controller controls the double-shaft motor 18 to rotate forwards, the double-shaft motor 18 drives the rack I16 on the left side, the rectangular strip 15 and the annular wear-resistant pad 17 to move towards the corresponding transmission shaft I5, the annular wear-resistant pad 17 clamps the transmission shaft I5, the transmission shaft I5 is subjected to resistance and stops rotating at the moment, the transmission structure of the rack I16 through the gear I19 on two sides is different (as shown in the figures 3 and 5), the moving direction of the annular wear-resistant pad 17 on the right side is opposite to that of the annular wear-resistant pad 17 on the left side, the annular wear-resistant pad 17 on the right side is not in contact with the transmission shaft I5 at the moment, the continuous rotation of the gear frame 22 can drive the planetary gear 23 to move relative to the driven wheel 6 on the left side, the planetary gear 23 rotates while revolving, the driven wheel 6 on the right side is driven, and the rotating speed of the driven wheel 6 on the right side is higher than that of the transmission shaft I5 synchronously rotates; when the double-shaft motor 18 rotates reversely, the right transmission shaft I5 can be locked, at the moment, the left transmission shaft I5 rotates, and the rotating speed of the left transmission shaft I5 is higher than that of the transmission shaft I5 during synchronous rotation;
the controller controls the linear motor 7 to extend, the linear motor 7 indirectly drives the conical column 13 to be inserted into the third through hole 24, through the action of the limiting groove 27 and the limiting strip 28, at the moment, the moving shaft I5 on the right side, the rotating disc 11, the gear frame 22, the planetary gear 23 and the driven wheel 6 on the left side are in a relatively static state, the driven wheel 6 and the planetary gear 23 are always in a static state, the transmission shafts I5 on the two ends are always in a synchronous rotating state, the transmission shafts I5 cannot be stopped to rotate no matter whether the double-shaft motor 18 rotates forwards or backwards, the power generated by the rotating motor 25 is larger than the friction force between the annular wear-resisting pad 17 and the transmission shaft I5, and under the condition that the vehicle is off-road, each wheel has the same power, and the escaping capability is improved.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (4)
1. A differential mechanism model for teaching comprises a rectangular base (1), and is characterized in that a differential mechanism locking simulation mechanism is arranged on the upper surface of the rectangular base (1), and a differential mechanism running mechanism is arranged on the upper surface of the rectangular base (1);
the differential mode locking simulation mechanism comprises a rectangular frame (2) arranged on the upper surface of a rectangular base (1), through holes I (3) are formed in two sides of the rectangular frame (2), vertical bearings (4) are arranged on the upper surface of the rectangular base (1), two pairs of the vertical bearings (4) are arranged, a first transmission shaft (5) is arranged on the inner ring of each vertical bearing (4), and a driven wheel (6) is arranged at one end of each first transmission shaft (5); a linear motor (7) is mounted on the side surface of the rectangular frame (2), a first limiting ring (8) is mounted at the telescopic end of the linear motor (7), a second bearing (9) is mounted at the inner ring of the first limiting ring (8), a second limiting ring (10) is mounted at the inner ring of the second bearing (9), a rotating disc (11) is mounted at one end of the second limiting ring (10), a second through hole (12) is formed in one side of the rotating disc (11), a first transmission shaft (5) penetrates through the second through hole (12), and a conical column (13) is mounted on the side surface of the rotating disc (11); spacing pipe (14) are installed to rectangular frame (2) both sides, and rectangle strip (15) are installed to spacing pipe (14) one side, rectangle strip (15) and spacing pipe (14) sliding connection, and rack (16) are installed to rectangle strip (15) side surface, and annular wear pad (17) are installed to rectangle strip (15) one end, and biaxial motor (18) are installed to rectangular frame (2) side surface, and gear (19) with rack (16) intermeshing are installed to biaxial motor (18) output.
2. A differential model for teaching as claimed in claim 1, wherein the differential operating mechanism comprises a horizontal bearing (20) on one side of a rectangular frame (2), a sun gear (21) is mounted at the inner ring of the horizontal bearing (20), a gear frame (22) is mounted on one side of the sun gear (21), planetary gears (23) are mounted on two sides of the gear frame (22), the planetary gears (23) are meshed with the driven wheel (6), a third through hole (24) is formed in the side surface of the gear frame (22), and the third through hole (24) corresponds to the position of the conical column (13).
3. A differential model for teaching as claimed in claim 1, wherein a side surface of the rectangular frame (2) is provided with a rotary motor (25), and a rotating end of the rotary motor (25) is provided with a drive pulley (26) which is engaged with the sun gear (21).
4. A differential model for teaching as claimed in claim 1, wherein the inner ring of the second through hole (12) is provided with a limiting groove (27), a limiting strip (28) is arranged on the side surface of the first transmission shaft (5), and the position of the limiting strip (28) corresponds to the position of the limiting groove (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468744.8U CN215599937U (en) | 2021-07-01 | 2021-07-01 | Differential mechanism model for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468744.8U CN215599937U (en) | 2021-07-01 | 2021-07-01 | Differential mechanism model for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215599937U true CN215599937U (en) | 2022-01-21 |
Family
ID=79876717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121468744.8U Active CN215599937U (en) | 2021-07-01 | 2021-07-01 | Differential mechanism model for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215599937U (en) |
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2021
- 2021-07-01 CN CN202121468744.8U patent/CN215599937U/en active Active
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