1. An automobile door teaching simulation platform comprises a rectangular base (1), and is characterized in that a fault simulation mechanism is arranged at the upper end of the rectangular base (1), a door transmission mechanism is arranged on one side of the fault simulation mechanism, and a rearview mirror rotating mechanism is arranged above the door transmission mechanism;

the fault simulation mechanism comprises a rectangular box body (2) arranged at one end of the upper surface of a rectangular base (1), a stepping motor (3) is arranged at the upper end of the rectangular box body (2), a driving shaft (4) is arranged at the output end of the stepping motor (3), a horizontal bearing (5) is arranged at the lower end of the rectangular box body (2), one end of the driving shaft (4) is fixedly connected with the horizontal bearing (5), a first limiting groove (6) is formed in the upper end of the driving shaft (4), a first bevel gear (7) is arranged at one side of the first limiting groove (6), a first limiting block (8) is arranged on the inner ring of the first bevel gear (7), the first limiting block (8) corresponds to the position of the first limiting groove (6), a first compression spring (9) is arranged between the first bevel gear (7) and the driving shaft (4), a first contact switch (10) is arranged on the side surface of the rectangular box body (2), and the first contact switch (10) corresponds to the position of the first bevel gear (7), the side surface of the rectangular box body (2) is provided with a first electromagnet (11); a second limiting groove (12) is formed in the center of the driving shaft (4), a second bevel gear (13) is installed on one side of the second limiting groove (12), a second limiting block (14) is installed on the inner ring of the second bevel gear (13), the second limiting block (14) corresponds to the second limiting groove (12), a second compression spring (15) is installed between the second bevel gear (13) and the driving shaft (4), a second contact switch (16) is installed on the side surface of the rectangular box body (2), and the second contact switch (16) corresponds to the second bevel gear (13); the lower end of the driving shaft (4) is provided with a third limiting groove (17), one side of the third limiting groove (17) is provided with a third bevel gear (18), the inner ring of the third bevel gear (18) is provided with a third limiting block (19), the third limiting block (19) corresponds to the third limiting groove (17), a third compression spring (20) is arranged between the third bevel gear (18) and the driving shaft (4), the side surface of the rectangular box body (2) is provided with a third contact switch (21), and the third contact switch (21) corresponds to the third bevel gear (18);

the fault simulation mechanism further comprises a linear motor (22) arranged on the side surface of the rectangular box body (2), a connecting rod (23) is arranged at the telescopic end of the linear motor (22), a first limiting pipe (24) is arranged on the side surface of the rectangular box body (2), the connecting rod (23) is in sliding connection with the first limiting pipe (24), a first shifting fork (25) is arranged at one end of the connecting rod (23), the first shifting fork (25) corresponds to the second bevel gear (13), a second shifting fork (26) is arranged at the other end of the connecting rod (23), the second shifting fork (26) corresponds to the third bevel gear (18), and a second electromagnet (27) is arranged at the two ends of the connecting rod (23); a second limiting pipe (28) is arranged on the side surface of the rectangular box body (2), a third shifting fork (29) is arranged on one side of the second limiting pipe (28), the third shifting fork (29) is in sliding connection with the second limiting pipe (28), the third shifting fork (29) corresponds to the third bevel gear (18), a vertical rod (30) is arranged at the lower end of the third shifting fork (29), and the vertical rod (30) is hinged with the third shifting fork (29); the lower end of the rectangular box body (2) is provided with a square frame (31), two sides of the square frame (31) are hinged with the rectangular box body (2), one end of the square frame (31) is hinged with the telescopic end of the linear motor (22), and the other end of the square frame (31) is hinged with the vertical rod (30); a relay (32) is arranged at the upper end of the rectangular box body (2); hydraulic stem (33) are installed to rectangle box (2) side surface, and hydraulic stem (33) are equipped with threely, and wear pad (34) are installed to hydraulic stem (33) flexible end.

2. The automobile door teaching simulation platform as claimed in claim 1, wherein the door transmission mechanism comprises a door frame (35) on one side of the rectangular box body (2), the door frame (35) is hinged with the rectangular box body (2), a sector wheel (36) is mounted on one side of the door frame (35), and the sector wheel (36) corresponds to the position of the second bevel gear (13); the side surface of the vehicle door frame (35) is provided with two sliding grooves (37), the two sliding grooves (37) are mutually flat, one end of each sliding groove (37) is provided with a sliding block (38), the upper end of each sliding block (38) is provided with vehicle window glass (39), the upper end of each sliding groove (37) is provided with a fixed pulley I (40), the lower end of the vehicle door frame (35) is provided with a vertical bearing (41), the inner ring of each vertical bearing (41) is provided with a rotating shaft (42), two ends of each rotating shaft (42) are provided with fixed pulley II (43), a connecting rope (44) is arranged between each fixed pulley I (40) and each fixed pulley II (43), the connecting rope (44) is fixedly connected with the sliding blocks (38), one end of each rotating shaft (42) is provided with a driving wheel I (45), the lower end of the rectangular box body (2) is provided with a gear hole (46), one side of each gear hole (46) is provided with a driving wheel II (47) which is mutually meshed with the driving wheel I (45), the second transmission wheel (47) corresponds to the third bevel gear (18).

3. The automobile door teaching simulation platform according to claim 1, wherein the rearview mirror rotating mechanism comprises a first ball bearing (48) mounted at the upper end of the automobile door frame (35), a rearview mirror frame (49) is mounted at the inner ring of the first ball bearing (48), a first universal shaft (50) is mounted at the lower end of the rearview mirror frame (49), a pin shaft (51) is mounted at one end of the first universal shaft (50), a second universal shaft (52) is mounted at one end of the pin shaft (51), a circular through hole (53) is formed in the side surface of the upper end of the rectangular box body (2), second ball bearings (54) are mounted at two sides of the circular through hole (53), a transmission shaft (55) is mounted at the inner ring of the second ball bearings (54), one end of the transmission shaft (55) is hinged to the second universal shaft (52), a third transmission wheel (56) is mounted at the other end of the transmission shaft (55), and the third transmission wheel (56) corresponds to the position of the hydraulic rod (33).

4. The automobile door teaching simulation platform as claimed in claim 1, wherein a rectangular through hole (57) is formed in the side surface of the rectangular box body (2).

5. The automobile door teaching simulation platform as claimed in claim 1, wherein a console (58) is mounted on the upper surface of the rectangular box body (2), and a connecting terminal (59) is mounted on the upper surface of the console (58).

6. The automobile door teaching simulation platform as claimed in claim 1, wherein universal wheels (60) are mounted at four corners of the lower surface of the rectangular base (1).

Background

The automobile teaching model is used in combination with professional teaching aids of colleges and universities, traffic, public security system automobile driving training, automobile repair and the like, and the structure and the function of the internal part of an automobile can be clearly understood through teaching of professional courses and demonstration of the model, so that students can quickly master professional knowledge;

with the continuous development of the automobile industry, the automobile technology gradually forms various professional subjects relating to theoretical education and actual training, in the course of automobile door maintenance course teaching, a large number of automobile teaching models are required to perform operations such as fault simulation, maintenance and the like according to the actual working conditions of automobile doors, so that the academies can understand and learn visually, students can learn on the physical automobile doors of the automobiles directly in the existing automobile door teaching, and the cost is high; and because the real door pays attention to the in-service use, its structure and circuit can not carry out operations such as fault simulation and maintenance, are not convenient for impart knowledge to students.

Disclosure of Invention

Aiming at the defects, the invention provides an automobile door teaching simulation platform, which solves the problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automobile door teaching simulation platform comprises a rectangular base, wherein a fault simulation mechanism is arranged at the upper end of the rectangular base, a door transmission mechanism is arranged on one side of the fault simulation mechanism, and a rearview mirror rotating mechanism is arranged above the door transmission mechanism;

the fault simulation mechanism comprises a rectangular box body arranged at one end of the upper surface of a rectangular base, a stepping motor is arranged at the upper end of the rectangular box body, a driving shaft is arranged at the output end of the stepping motor, a horizontal bearing is arranged at the lower end of the rectangular box body, one end of the driving shaft is fixedly connected with the horizontal bearing, a first limiting groove is formed in the upper end of the driving shaft, a first bevel gear is arranged on one side of the first limiting groove, a first limiting block is arranged on the inner ring of the first bevel gear, the first limiting block corresponds to the first limiting groove in position, a first compression spring is arranged between the first bevel gear and the driving shaft, a first contact switch is arranged on the side surface of the rectangular box body, the first contact switch corresponds to the first bevel gear in position, and a first electromagnet is arranged on the side surface of the rectangular box body; a second limiting groove is formed in the center of the driving shaft, a second bevel gear is mounted on one side of the second limiting groove, a second limiting block is mounted on an inner ring of the second bevel gear, the second limiting block corresponds to the second limiting groove in position, a second compression spring is mounted between the second bevel gear and the driving shaft, a second contact switch is mounted on the side surface of the rectangular box body, and the second contact switch corresponds to the second bevel gear in position; the lower end of the driving shaft is provided with a third limiting groove, one side of the third limiting groove is provided with a third bevel gear, the inner ring of the third bevel gear is provided with a third limiting block, the third limiting block corresponds to the third limiting groove in position, a third compression spring is arranged between the third bevel gear and the driving shaft, the side surface of the rectangular box body is provided with a third contact switch, and the third contact switch corresponds to the third bevel gear in position;

the fault simulation mechanism further comprises a linear motor arranged on the side surface of the rectangular box body, a connecting rod is arranged at the telescopic end of the linear motor, a first limiting pipe is arranged on the side surface of the rectangular box body and is in sliding connection with the first limiting pipe, a first shifting fork is arranged at one end of the connecting rod and corresponds to the position of a second bevel gear, a second shifting fork is arranged at the other end of the connecting rod and corresponds to the position of a third bevel gear, and a second electromagnet is arranged at two ends of the connecting rod; a second limiting pipe is arranged on the side surface of the rectangular box body, a third shifting fork is arranged on one side of the second limiting pipe and is in sliding connection with the second limiting pipe, the third shifting fork corresponds to the third bevel gear in position, a vertical rod is arranged at the lower end of the third shifting fork, and the vertical rod is hinged with the third shifting fork; the lower end of the rectangular box body is provided with a square frame, two sides of the square frame are hinged with the rectangular box body, one end of the square frame is hinged with the telescopic end of the linear motor, and the other end of the square frame is hinged with the vertical rod; the upper end of the rectangular box body is provided with a relay; the hydraulic stem is installed to rectangle box side surface, and the hydraulic stem is equipped with threely, and the flexible end of hydraulic stem is installed the abrasion pad.

Furthermore, the vehicle door transmission mechanism comprises a vehicle door frame arranged on one side of the rectangular box body, the vehicle door frame is hinged with the rectangular box body, a fan-shaped wheel is arranged on one side of the vehicle door frame, and the fan-shaped wheel corresponds to the second bevel gear; the side surface of the car door frame is provided with two sliding grooves which are flat mutually, one end of each sliding groove is provided with a sliding block, the upper end of each sliding block is provided with car window glass, the upper end of each sliding groove is provided with a first fixed pulley, the lower end of the car door frame is provided with a vertical bearing, the inner ring of each vertical bearing is provided with a rotating shaft, two ends of each rotating shaft are provided with second fixed pulleys, a connecting rope is arranged between each first fixed pulley and each second fixed pulley and fixedly connected with the corresponding sliding block, one end of each rotating shaft is provided with a first driving wheel, the lower end of the rectangular box body is provided with a gear hole, one side.

Further, rear-view mirror slewing mechanism is including installing ball bearing one in door frame upper end, and rear-view mirror frame is installed to ball bearing one inner circle, and universal shaft one is installed to rear-view mirror frame lower extreme, and the round pin axle is installed to universal shaft one end, and universal shaft two is installed to round pin axle one end, and open on the surface of rectangular box upper end side has circular through-hole, and ball bearing two is installed to circular through-hole both sides, and the transmission shaft is installed to two inner circles of ball bearing, and transmission shaft one end is articulated with universal shaft two, and the transmission wheel third is installed to the transmission shaft other end, and the transmission wheel third is corresponding with the position of hydraulic stem.

Furthermore, a rectangular through hole is formed in the side surface of the rectangular box body.

Furthermore, the upper surface of the rectangular box body is provided with a control console, and the upper surface of the control console is provided with a wiring terminal.

Furthermore, universal wheels are installed at four corners of the lower surface of the rectangular base.

The invention has the beneficial effects that: the fault simulation mechanism can simulate the relatively common faults with higher fault rate, thereby facilitating the explanation of students; the teaching quality is effectively improved while the teaching cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an automobile door teaching simulation platform according to the present invention;

FIG. 2 is a schematic view of a door transmission;

FIG. 3 is a first schematic diagram of a fault simulation mechanism;

FIG. 4 is a second schematic diagram of a fault simulation mechanism;

FIG. 5 is a schematic side view of a vehicle glazing;

FIG. 6 is a schematic top view of a square frame;

FIG. 7 is a schematic top view of bevel gear two;

FIG. 8 is a schematic view of bevel gear three;

FIG. 9 is a schematic view of a sector wheel;

in the figure, 1, a rectangular base; 2. a rectangular box body; 3. a stepping motor; 4. a drive shaft; 5. a horizontal bearing; 6. a first limiting groove; 7. a first bevel gear; 8. a first limiting block; 9. a first compression spring; 10. a first contact switch; 11. an electromagnet I; 12. a second limiting groove; 13. a second bevel gear; 14. a second limiting block; 15. a second compression spring; 16. a second contact switch; 17. a third limiting groove; 18. a third bevel gear; 19. a third limiting block; 20. a third compression spring; 21. a contact switch III; 22. a linear motor; 23. a connecting rod; 24. a first limiting pipe; 25. a first shifting fork; 26. a second shifting fork; 27. an electromagnet II; 28. a second limiting pipe; 29. a third shifting fork; 30. a vertical rod; 31. a square frame; 32. a relay; 33. a hydraulic lever; 34. a wear pad; 35. a door frame; 36. a sector wheel; 37. a chute; 38. a slider; 39. a window glass; 40. a first fixed pulley; 41. a vertical bearing; 42. a rotating shaft; 43. a second fixed pulley; 44. connecting ropes; 45. a first transmission wheel; 46. a gear hole; 47. a second driving wheel; 48. a first ball bearing; 49. a rearview mirror frame; 50. a first cardan shaft; 51. a pin shaft; 52. a second cardan shaft; 53. a circular through hole; 54. a ball bearing II; 55. a drive shaft; 56. a third driving wheel; 57. a rectangular through hole; 58. a console; 59. a wiring terminal; 60. a universal wheel.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-9, an automobile door teaching simulation platform comprises a rectangular base 1, wherein a fault simulation mechanism is arranged at the upper end of the rectangular base 1, a door transmission mechanism is arranged on one side of the fault simulation mechanism, and a rearview mirror rotating mechanism is arranged above the door transmission mechanism;

the fault simulation mechanism comprises a rectangular box body 2 arranged at one end of the upper surface of a rectangular base 1, a stepping motor 3 is arranged at the upper end of the rectangular box body 2, a driving shaft 4 is arranged at the output end of the stepping motor 3, a horizontal bearing 5 is arranged at the lower end of the rectangular box body 2, one end of the driving shaft 4 is fixedly connected with the horizontal bearing 5, a first limiting groove 6 is formed in the upper end of the driving shaft 4, a first bevel gear 7 is arranged on one side of the first limiting groove 6, a first limiting block 8 is arranged on the inner ring of the first bevel gear 7, the first limiting block 8 corresponds to the position of the first limiting groove 6, a first compression spring 9 is arranged between the first bevel gear 7 and the driving shaft 4, a first contact switch 10 is arranged on the side surface of the rectangular box body 2, the first contact switch 10 corresponds to the position of the first bevel gear 7, and a first electromagnet 11 is arranged on the side surface of the rectangular box body 2; a second limiting groove 12 is formed in the center of the driving shaft 4, a second bevel gear 13 is installed on one side of the second limiting groove 12, a second limiting block 14 is installed on the inner ring of the second bevel gear 13, the second limiting block 14 corresponds to the second limiting groove 12 in position, a second compression spring 15 is installed between the second bevel gear 13 and the driving shaft 4, a second contact switch 16 is installed on the side surface of the rectangular box body 2, and the second contact switch 16 corresponds to the second bevel gear 13 in position; the lower end of the driving shaft 4 is provided with a third limiting groove 17, one side of the third limiting groove 17 is provided with a third bevel gear 18, the inner ring of the third bevel gear 18 is provided with a third limiting block 19, the third limiting block 19 corresponds to the third limiting groove 17 in position, a third compression spring 20 is arranged between the third bevel gear 18 and the driving shaft 4, the side surface of the rectangular box body 2 is provided with a third contact switch 21, and the third contact switch 21 corresponds to the third bevel gear 18 in position;

the fault simulation mechanism further comprises a linear motor 22 arranged on the side surface of the rectangular box body 2, a connecting rod 23 is arranged at the telescopic end of the linear motor 22, a first limiting pipe 24 is arranged on the side surface of the rectangular box body 2, the connecting rod 23 is connected with the first limiting pipe 24 in a sliding mode, a first shifting fork 25 is arranged at one end of the connecting rod 23, the first shifting fork 25 corresponds to the second bevel gear 13 in position, a second shifting fork 26 is arranged at the other end of the connecting rod 23, the second shifting fork 26 corresponds to the third bevel gear 18 in position, and a second electromagnet 27 is arranged at two ends of the connecting rod 23; a second limiting pipe 28 is arranged on the side surface of the rectangular box body 2, a third shifting fork 29 is arranged on one side of the second limiting pipe 28, the third shifting fork 29 is in sliding connection with the second limiting pipe 28, the third shifting fork 29 corresponds to the third bevel gear 18, a vertical rod 30 is arranged at the lower end of the third shifting fork 29, and the vertical rod 30 is hinged with the third shifting fork 29; the lower end of the rectangular box body 2 is provided with a square frame 31, two sides of the square frame 31 are hinged with the rectangular box body 2, one end of the square frame 31 is hinged with the telescopic end of the linear motor 22, and the other end of the square frame 31 is hinged with the vertical rod 30; the upper end of the rectangular box body 2 is provided with a relay 32; the side surface of the rectangular box body 2 is provided with three hydraulic rods 33, and the telescopic ends of the hydraulic rods 33 are provided with wear pads 34.

The vehicle door transmission mechanism comprises a vehicle door frame 35 on one side of the rectangular box body 2, the vehicle door frame 35 is hinged with the rectangular box body 2, a sector wheel 36 is installed on one side of the vehicle door frame 35, and the sector wheel 36 corresponds to the position of the second bevel gear 13; the side surface of the door frame 35 is provided with two sliding grooves 37, the two sliding grooves 37 are flat, one end of each sliding groove 37 is provided with a sliding block 38, the upper end of each sliding block 38 is provided with a window glass 39, the upper end of each sliding groove 37 is provided with a first fixed pulley 40, the lower end of the door frame 35 is provided with a vertical bearing 41, the inner ring of each vertical bearing 41 is provided with a rotating shaft 42, two ends of each rotating shaft 42 are provided with a second fixed pulley 43, a connecting rope 44 is arranged between each first fixed pulley 40 and each second fixed pulley 43, the connecting rope 44 is fixedly connected with the corresponding sliding block 38, one end of each rotating shaft 42 is provided with a first transmission wheel 45, the lower end of the rectangular box body 2 is provided with a gear hole 46, one side of each gear hole 46 is provided with a second transmission wheel 47 meshed with the first transmission wheel 45, and the second transmission wheel 47 corresponds to the position of the third bevel gear 18.

The rearview mirror rotating mechanism comprises a first ball bearing 48 installed at the upper end of the door frame 35, a rearview mirror frame 49 is installed on the inner ring of the first ball bearing 48, a first universal shaft 50 is installed at the lower end of the rearview mirror frame 49, a pin shaft 51 is installed at one end of the first universal shaft 50, a second universal shaft 52 is installed at one end of the pin shaft 51, a circular through hole 53 is formed in the side surface of the upper end of the rectangular box body 2, two ball bearings 54 are installed on two sides of the circular through hole 53, a transmission shaft 55 is installed on the inner ring of the second ball bearing 54, one end of the transmission shaft 55 is hinged to the second universal shaft 52, a third transmission wheel 56 is installed at the other end of the transmission shaft 55, and the third transmission wheel 56 corresponds to the position of the hydraulic rod 33.

The side surface of the rectangular box body 2 is provided with a rectangular through hole 57.

A control console 58 is installed on the upper surface of the rectangular box body 2, and a wiring terminal 59 is installed on the upper surface of the control console 58.

Universal wheels 60 are arranged at the four corners of the lower surface of the rectangular base 1,

in the embodiment, the electrical appliances of the device are controlled by an external controller, the device can simulate the faults of short circuit of a power unit, short circuit of a circuit and blocked mechanical transmission, the device is used for connecting the controller with an external power supply, a connecting wire is arranged between the controller and the relay 32, a connecting wire is arranged between the relay 32 and the stepping motor 3, and a connecting wire is arranged between the wiring terminal 59 and each electrical appliance; in the device, the hinge point of the door frame 35 and the rectangular box body 2, the circle center of the second driving wheel 47 and the position of the second universal shaft 52 are positioned on the same straight line, so that the rotation of the door frame 35 is facilitated; when the fault of power unit short circuit needs to be simulated, the controller controls the relay 32 to be disconnected, so that the stepping motor 3 cannot work, the stepping motor 3 cannot rotate when a start button of the controller is pressed, the state that the relay 32 is disconnected at the moment can be measured through the detection of the wiring terminal 59 by the circuit detector, and the relay 32 sends an electric signal to the controller to simulate the state of power unit short circuit;

as shown in fig. 4, the bevel gear one 7 is not engaged with the driving wheel three 56 and is not contacted with the contact switch one 10; the second bevel gear 13 is not meshed with the sector wheel 36 and is not contacted with the second contact switch 16; the third bevel gear 18 is not meshed with the second driving wheel 47 and is not contacted with the third contact switch 21 at the same time, when the stepping motor 3 rotates, the first bevel gear 7, the second bevel gear 13 and the third bevel gear 18 are not driven to rotate, the window glass 39 of the vehicle is not driven to ascend and descend, the window glass 39 of the vehicle is not driven to close, and the rearview mirror frame 49 rotates, at the moment, the first contact switch 10, the second contact switch 16 and the third contact switch 21 send electric signals to the controller to simulate the state of short circuit of a circuit, the corresponding connecting terminal 59 cannot form a loop in the state, and the current fault is a line fault through the detection of a circuit detector on the connecting terminal 59;

when the rearview mirror frame 49 needs to be restored to a normal state, the controller controls the first electromagnet 11 to be electrified, the electrification of the first electromagnet 11 enables a magnetic field to be generated around the first electromagnet 11, and generates suction force to the first bevel gear 7 (the first bevel gear 7 is made of iron materials), the first bevel gear 7 moves downwards, the first bevel gear 7 is meshed with the third driving wheel 56 and is simultaneously contacted with the first contact switch 10, the first contact switch 10 sends an electric signal to the controller, and the controller controls the corresponding connecting terminal 59 to form a corresponding loop, so that a normal state can be formed when the detection is carried out again; when the stepping motor 3 rotates, the bevel gear I7 can be driven to transmit to the transmission wheel III 56, and the transmission wheel III 56 drives the transmission shaft 55, the universal shaft II 52, the pin shaft 51, the universal shaft I50 and the rearview mirror frame 49 to rotate, so that the fault recovery operation is realized;

when the door frame 35 needs to be restored to be automatically opened and closed in a normal state (the door of a high-end vehicle type can be automatically closed and opened), the controller controls the linear motor 22 to be shortened, the linear motor 22 drives the connecting rod 23, the first shifting fork 25 and the second shifting fork 26 to move downwards, the first shifting fork 25 drives the second bevel gear 13 to move downwards, the second bevel gear 13 is meshed with the sector wheel 36 and is simultaneously contacted with the second contact switch 16, the second shifting fork 26 drives the third bevel gear 18 to be meshed with the second driving wheel 47 and is simultaneously contacted with the third contact switch 21, the third contact switch 21 and the second contact switch 16 send electric signals to the controller, the controller controls the corresponding connecting terminal 59 to form a loop, the normal state is achieved when the stepping motor 3 rotates again, the second bevel gear 13 can be driven to transmit to the sector wheel 36, the sector wheel 36 drives the door frame 35 to be opened or closed, the rotation of the door frame 35 can indirectly drive the second driving wheel 47 to rotate through the first driving wheel 45, in order to prevent the first transmission wheel 45 from rotating to influence the lifting of the window glass 39, the second transmission wheel 47 needs to rotate actively to prevent the second transmission wheel 47 and the first transmission wheel 45 from moving relatively, and the step motor 3 also drives the third bevel gear 18 to drive the second transmission wheel 47 to rotate; the shortening of the control linear motor 22 also drives the square frame 31 to rotate anticlockwise, but does not bring the shift fork three 29 into contact with the bevel gear three 18;

when the vehicle window glass 39 needs to be restored to a normal state, the controller controls the linear motor 22 to extend, the extension of the linear motor 22 drives the connecting rod 23 to move upwards, the second shifting fork 26 and the first shifting fork 25 do not contact the second bevel gear 13 and the third bevel gear 18, but drive the square frame 31 to rotate anticlockwise, the other end of the square frame 31 drives the vertical rod 30 and the third shifting fork 29 to move downwards, the third shifting fork 29 drives the third bevel gear 18 to move downwards, so that the third bevel gear 18 is meshed with the second driving wheel 47 and contacts the third contact switch 21, the third contact switch 21 sends an electric signal to the controller, the controller controls the corresponding connecting terminal 59 to be in a loop state, and the function can be known to be in a normal state through detection of the circuit detector; the third bevel gear 18 and the second driving wheel 47 can be driven to rotate by the rotation of the stepping motor 3, the first driving wheel 45, the rotating shaft 42 and the second fixed pulley 43 are driven to rotate by the second driving wheel 47, the rotating shaft 42 can stably rotate under the action of the vertical bearing 41, the second fixed pulley 43 drives the connecting rope 44 to rotate, and the connecting rope 44 drives the sliding block 38 to slide in the sliding chute 37, so that the window glass 39 can slide up and down; by independently controlling the operation of the electromagnet I11, the shortening of the linear motor 22 and the extension of the linear motor 22, the fault states of the rearview mirror frame 49, the door frame 35 and the window glass 39 can be independently controlled;

when the state of mechanical transmission blocking fault needs to be simulated, the controller controls the hydraulic rod 33 at the uppermost end to extend, so that the wear-resistant pad 34 is attached to the third driving wheel 56, the resistance of the third driving wheel 56 is increased, when the first bevel gear 7 transmits to the third driving wheel 56, the first bevel gear 7 is meshed with the third driving wheel 56 by means of the suction force of the electromagnet 11, when the third driving wheel 56 is blocked, the first bevel gear 7 jumps upwards to cause transmission blocking, and meanwhile, a certain sound is given out, so that the college can conveniently judge and the purpose of simulating mechanical transmission blocking fault is realized; controlling the second electromagnet 27 at the upper end and the hydraulic rod 33 in the middle to work, driving the third bevel gear 18 to be meshed with the sector wheel 36 by the second electromagnet 27, enabling the wear-resistant pad 34 to be abutted against the sector wheel 36, increasing the rotation resistance of the sector wheel 36, and enabling the second bevel gear 13 to jump upwards to cause transmission blockage when the second bevel gear 13 transmits to the sector wheel 36, thereby achieving the purpose of simulating mechanical transmission blockage faults; the electromagnet 27 at the lower end can enable the bevel gear III 18 to be meshed with the driving wheel II 47 when working, the hydraulic rod 33 at the lowest end extends to drive the wear-resistant pad 34 to abut against the driving wheel II 47, so that the driving wheel II 47 is blocked in rotation, and when the bevel gear III 18 transmits to the driving wheel II 47, the bevel gear III 18 can jump upwards to cause transmission blocking, and the purpose of simulating mechanical transmission blocking faults is achieved;

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.