CN111653179B - Automobile teaching aid for simulating working conditions of rear wheels of automobile - Google Patents
Automobile teaching aid for simulating working conditions of rear wheels of automobile Download PDFInfo
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- CN111653179B CN111653179B CN202010502466.7A CN202010502466A CN111653179B CN 111653179 B CN111653179 B CN 111653179B CN 202010502466 A CN202010502466 A CN 202010502466A CN 111653179 B CN111653179 B CN 111653179B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention discloses an automobile teaching aid for simulating the working condition of a rear wheel of an automobile, which comprises a rectangular base, wherein a suspension display mechanism is arranged on the upper surface of the rectangular base, a differential mode locking simulation mechanism is arranged on one side of the suspension display mechanism, a steering simulation mechanism is arranged in the rectangular base, and a road condition simulation mechanism is arranged on one side of the suspension display mechanism. The invention has the advantages that different transmission ratios can be realized through the relative movement of the diagonal rods, the effect of simulating the rotating speed difference of the rear wheel when the vehicle actually turns is achieved, and the function of the differential is visually embodied; the effect through differential lock demonstration mechanism can be fast to the quick locking of differential mechanism, utilizes the rotation of reciprocal lead screw, can reach anticipated effect when reducing the cost of manufacture, and the student of being convenient for of relapse demonstration knows its effect, and the operating condition of rear axle when can simulating the car through road conditions analog mechanism's effect and getting rid of poverty.
Description
Technical Field
The invention relates to the technical field of automobile teaching aids, in particular to an automobile teaching aid for simulating the working condition of a rear wheel of an automobile.
Background
Along with the development of society, domestic automobile repair school is more and more, but the maintenance talent is less, can't satisfy the demand of society to the talent, so all kinds of schools have begun to set up this course, and the automobile exterior structure show teaching aid has also been ordered in the colleges and universities, lets the student surveyability and can increase student's interest in learning to the exterior structure of automobile, and some teaching aid are that entity part one-to-one planing is cut into, because entity teaching aid cost is great, mostly all adopt the plastics model to demonstrate.
The conventional rear axle automobile model can simply show the running state of each gear of the differential mechanism when being shown, and the tire on one side of the differential mechanism needs to be manually clamped to simulate the actual working condition of the differential mechanism, so that a student can intuitively know the structure only by continuous manual intervention, and the traditional automobile teaching aid cannot truly simulate the actual rotating speed of the rear wheel when an automobile turns; some models have the differential lock function, but its operation mode needs the model stall just can lock differential mechanism, can not simulate the operating condition operation, and the smoothness is lower, and traditional automobile rear axle model function is single, can not simulate the operating condition of differential lock when the tire is absorbed in the puddle.
Disclosure of Invention
Aiming at the defects, the invention provides an automobile teaching aid for simulating the working condition of the rear wheel of an automobile, and aims to solve the problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automobile teaching aid for simulating the working condition of the rear wheels of an automobile comprises a rectangular base, wherein a suspension display mechanism is arranged on the upper surface of the rectangular base, a differential mode locking simulation mechanism is arranged on one side of the suspension display mechanism, a steering simulation mechanism is arranged in the rectangular base, and a road condition simulation mechanism is arranged on one side of the suspension display mechanism;
the steering simulation mechanism comprises a rotating motor at one end of the upper surface of a rectangular base, a first output shaft is mounted at the lower end of the rotating motor, a second output shaft is mounted at the upper end of the rotating motor, a first driving wheel is mounted at one end of the first output shaft, a second driving wheel is mounted at one end of the second output shaft, a first vertical bearing is mounted on the upper surface of the lower end of the rectangular base, two first vertical bearings are arranged and located on two sides of the first driving wheel, a first rotating shaft is mounted on an inner ring of the first vertical bearing, a first bevel gear meshed with the first driving wheel is mounted in the center of the first rotating shaft, key grooves are formed in two ends of the first rotating shaft, a first belt pulley is mounted at two ends of the first rotating shaft, a key strip is mounted on the inner ring of the first belt pulley and fixedly connected with the first belt, a rotating shaft II is arranged on the inner ring of the vertical bearing II, a positive thread is arranged at a position of the rotating shaft II close to two ends of the rotating shaft II, a reverse thread is arranged on one side of the positive thread, an I-shaped sliding rail is arranged on one side of the vertical bearing II, two I-shaped sliding rails are arranged, an L-shaped sliding rod I is arranged at one end of the upper surface of the I-shaped sliding rail, an L-shaped sliding rod II is arranged at the other end of the upper surface of the I-shaped sliding rail, the lower surfaces of the L-shaped sliding rod I and the L-shaped sliding rod II are respectively connected with the I-shaped sliding rail in a sliding mode, a sliding block I is arranged at one end of the L-shaped sliding rod, a threaded hole I is formed in the inner ring of the sliding block I, the threaded hole I is meshed with the positive thread, a connecting rod is arranged on one side of the sliding block, a fixing ring is arranged at one end of the connecting rod, a common bearing I is arranged in the inner ring, and a rotating ring is fixedly connected with a belt pulley I; one end of each of the L-shaped sliding rod I and the L-shaped sliding rod II is provided with a common bearing II, the outer ring of each common bearing II is provided with a rotating cylinder, one end of each rotating cylinder is provided with a rotating disc, the side surface of each rotating disc is provided with an inclined rod, the other side of each rotating cylinder is provided with a belt pulley II, one belt pulley II is arranged, and a transmission belt I is arranged between each belt pulley II and each belt pulley I;
the steering simulation mechanism further comprises a vertical bearing III on the upper surface of the lower end of the rectangular base, a rotating shaft III is mounted on an inner ring of the vertical bearing III, a supporting wheel is mounted at one end of the rotating shaft III, a vertical bearing IV is mounted on one side of the vertical bearing III, a rotating frame is mounted on an inner ring of the vertical bearing IV, a common bearing III is mounted at the lower end of the rotating frame, a straight gear I is mounted on an outer ring of the common bearing III, one side surface of the straight gear is fixedly connected with the rotating shaft III, a common bearing IV is mounted at the upper end of the rotating frame, a straight gear II meshed with the straight gear I is mounted on an outer ring of the common bearing IV, transmission wheels are mounted on two side surfaces of the straight gear, and a transmission belt II is mounted between the transmission wheels and the inclined rod; a connecting rod is arranged on the side surface of the rotating frame, and a first extension spring is arranged between the connecting rod and the rectangular base; a first worm wheel is mounted at the center of the second rotating shaft, a first horizontal bearing is mounted on the upper surface of the rectangular base, a steering rod is mounted on the inner ring of the first horizontal bearing, a first worm meshed with the first worm wheel is mounted at the lower end of the steering rod, and a steering wheel is mounted at the upper end of the steering rod;
the differential mode locking simulation mechanism comprises a T-shaped slide rail on the upper surface of a rectangular base, a moving block is mounted at the upper end of the T-shaped slide rail, a threaded through hole is formed in the center of the moving block, an arc-shaped limiting groove is mounted at one side of the moving block, a vertical bearing fifth is mounted at one side of the T-shaped slide rail, a reciprocating lead screw is mounted in the inner ring of the vertical bearing fifth, one end of the reciprocating lead screw is meshed with the threaded through hole, a worm gear II is mounted at the other end of the reciprocating lead screw, a support rod is mounted at the other side of the T-shaped slide rail, a common bearing fifth is mounted at the upper end of the support rod, a worm gear II meshed with the worm gear II is mounted in the inner ring of the common bearing fifth, and a straight gear III is mounted at one end of the worm gear II;
the road condition simulation mechanism comprises a rectangular box on one side of the upper surface of a rectangular base, a circular hole is formed in the side surface of the rectangular box, a hollow pipe is installed in the center of the upper surface of the rectangular box, the hollow pipe and the rectangular box are in an intercommunicated state, a sliding rod is installed in the hollow pipe, an Contraband-shaped frame is installed at the lower end of the sliding rod and 21274is installed at the lower end of the rectangular frame, a limiting block is installed at the lower end of the rectangular frame, a limiting groove is formed in the side surface of the rectangular box, the limiting block is connected with the limiting groove in a sliding mode, fixing rods are installed on two sides of the hollow pipe and are in an intercommunicated state with the hollow pipe, long holes are formed in two sides of the fixing rods, a limiting rod is installed on the inner surface of the fixing rods, a blocking piece is installed at one end of the limiting rod, the blocking piece corresponds to the positions of the long holes, and a circular groove is formed in the side surface of the sliding rod; the side surface of the rectangular box is provided with a limiting plate, one side of the limiting plate is provided with a first pressing block, a second extension spring is arranged between one side surface of the pressing block and the rectangular box, a circular groove is formed in the surface of one side of the pressing block, the second pressing block is arranged in the circular groove and is in a sliding state with the circular groove, and the first compression spring is arranged between the second pressing block and the first pressing block.
Further, the suspension display mechanism comprises a rectangular support at one end of the upper surface of a rectangular base, a first fixing shaft is mounted at the upper end of the rectangular support, a swing arm is mounted on one side of the first fixing shaft, one end of the swing arm is hinged to the first fixing shaft, a second fixing shaft is mounted at one end of the swing arm, the swing arm is hinged to the second fixing shaft, an annular fixing frame is mounted at one end of the second fixing shaft, a low-speed bearing is mounted on an inner ring of the annular fixing frame, a hub model is mounted on an inner ring of the low-speed bearing, an anti-tilting rod is mounted between the rectangular support and the annular fixing frame, a vertical partition plate is mounted on the side surface of the rectangular support, a round hole is formed in the side surface of the vertical partition plate, a first roller bearing is mounted on the inner surface of the round hole, a sun gear is mounted on the inner ring of the first roller bearing, a planetary gear is mounted at one end of the sun gear, a differential lock frame is mounted at one side of the differential lock frame, a third through hole is formed in two sides of the rectangular support, a half shaft is arranged on the inner ring of the through hole III, a first universal shaft is arranged at one end of the half shaft, a first rotating rod is arranged at one end of the first universal shaft, a second universal shaft is arranged between the first rotating rod and the wheel hub model, and a driven gear meshed with the planetary gear is arranged at the other end of the half shaft; the upper surface of the rectangular base is provided with a vertical bearing six, the inner ring of the vertical bearing six is provided with a rotating shaft four, one end of the rotating shaft four is provided with a bevel gear II which is mutually meshed with the sun gear, and the other end of the rotating shaft four is provided with a bevel gear III which is mutually meshed with the driving wheel II.
Furthermore, a rectangular opening is formed in the upper surface of the rectangular base.
Furthermore, one end of the rotating shaft IV is provided with a straight gear IV which is meshed with the straight gear III.
Furthermore, the differential mode locking simulation mechanism further comprises a locking disc at one end of the half shaft, a limiting strip is arranged on the inner ring of the locking disc, a rectangular groove is formed in the outer surface of the half shaft, the limiting strip corresponds to the rectangular groove in position, and the locking disc corresponds to the arc-shaped limiting groove in position.
Further, the half shaft passes through the rectangular box through a circular hole.
Furthermore, a rubber ring II is installed on one side of the locking disc.
The invention has the beneficial effects that: when the steering wheel is rotated, different transmission ratios can be realized through the relative movement of the inclined rods, the effect of simulating the rotating speed difference of the rear wheel when the vehicle actually turns is achieved, and the effect of the differential mechanism is visually embodied; the effect through differential lock demonstration mechanism can be fast to the quick locking of differential mechanism, utilizes the rotation of reciprocal lead screw, can reach anticipated effect when reducing the cost of manufacture, and the student of being convenient for of relapse demonstration knows its effect, and the operating condition of rear axle when can simulating the car through road conditions analog mechanism's effect and getting rid of poverty.
Drawings
FIG. 1 is a schematic structural diagram of an automobile teaching aid for simulating the working conditions of the rear wheels of an automobile according to the invention;
FIG. 2 is a schematic top view of the suspension show mechanism;
FIG. 3 is a side schematic view of a rotary electric machine;
FIG. 4 is a partial schematic view one of the steering simulation mechanism;
FIG. 5 is a partial schematic view of a second steering simulation mechanism;
FIG. 6 is a partial schematic view of the suspension show mechanism;
FIG. 7 is a schematic side view of a spur gear I;
FIG. 8 is a cross-sectional schematic view of an I-rail;
FIG. 9 is a side schematic view of the turn disc;
FIG. 10 is a schematic side view of a differential mode simulation mechanism;
FIG. 11 is a schematic top view of a speed simulation mechanism;
FIG. 12 is a schematic side view of a road condition simulating mechanism;
FIG. 13 is a schematic top view of a road condition simulation mechanism;
FIG. 14 is an enlarged schematic view of a first press block;
FIG. 15 is a cross-sectional view of a first shaft;
FIG. 16 is an enlarged schematic view of the stop lever;
in the figure, 1, a rectangular base; 2. a rotating electric machine; 3. a first output shaft; 4. a second output shaft; 5. a first driving wheel; 6. a second driving wheel; 7. a first vertical bearing; 8. a first rotating shaft; 9. a first bevel gear; 10. a keyway; 11. a first belt pulley; 12. a key bar; 13. a second vertical bearing; 14. a second rotating shaft; 15. a positive thread; 16. reverse threads; 17. an I-shaped sliding rail; 18. an L-shaped sliding rod I; 19. an L-shaped sliding rod II; 20. a first sliding block; 21. a first threaded hole; 22. a connecting rod; 23. a rotating ring; 24. a second common bearing; 25. a rotating cylinder; 26. rotating the disc; 27. a diagonal bar; 28. a second belt pulley; 29. a first transmission belt; 30. a vertical bearing III; 31. a rotating shaft III; 32. a support wheel; 33. a vertical bearing IV; 34. a rotating frame; 35. a third common bearing; 36. a first straight gear; 37. a fourth common bearing; 38. a second straight gear; 39. a driving wheel; 40. a second transmission belt; 41. a connecting rod; 42. a first extension spring; 43. a first worm wheel; 44. a first horizontal bearing; 45. a steering lever; 46. a first worm; 47. a steering wheel; 48. a T-shaped slide rail; 49. a moving block; 50. a threaded through hole; 51. an arc-shaped limiting groove; 52. a fifth vertical bearing; 53. a reciprocating screw; 54. a second worm gear; 55. a support bar; 56. a fifth common bearing; 57. a second worm; 58. a third straight gear; 59. a rectangular box; 60. a circular hole; 61. a hollow tube; 62. a slide bar; 63. contraband form rack; 64. a limiting block; 65. a limiting groove; 66. fixing the rod; 67. a long hole; 68. a limiting rod; 69. a baffle plate; 70. a circular groove; 71. a limiting plate; 72. pressing a first block; 73. a second extension spring; 74. a circular groove; 75. pressing a second block; 76. a first compression spring; 77. a rectangular bracket; 78. a first fixed shaft; 79. a swing arm; 80. a second fixed shaft; 81. an annular fixing frame; 82. a low-speed bearing; 83. a hub model; 84. an anti-roll bar; 85. a vertical partition; 86. a circular hole; 87. a roller bearing I; 88. a sun gear; 89. a planetary gear; 90. a differential lock frame; 91. a first rubber ring; 92. a third through hole; 93. a half shaft; 94. a first cardan shaft; 95. rotating the first rod; 96. a second cardan shaft; 97. a driven gear; 98. a vertical bearing six; 99. a rotating shaft IV; 100. a second bevel gear; 101. a third bevel gear; 102. a rectangular opening; 103. a fourth straight gear; 104. a locking plate; 105. a rectangular groove; 106. a limiting strip; 107. a fixing ring; 108. a second rubber ring; 109. and a first common bearing.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-16, an automobile teaching aid for simulating the working conditions of the rear wheels of an automobile comprises a rectangular base 1, wherein a suspension display mechanism is arranged on the upper surface of the rectangular base 1, a differential lock simulation mechanism is arranged on one side of the suspension display mechanism, a steering simulation mechanism is arranged in the rectangular base 1, and a road condition simulation mechanism is arranged on one side of the suspension display mechanism;
the steering simulation mechanism comprises a rotating motor 2 at one end of the upper surface of a rectangular base 1, an output shaft I3 is mounted at the lower end of the rotating motor 2, an output shaft II 4 is mounted at the upper end of the rotating motor 2, a driving wheel I5 is mounted at one end of the output shaft I3, a driving wheel II 6 is mounted at one end of the output shaft II 4, a vertical bearing I7 is mounted at the upper surface of the lower end of the rectangular base 1, two vertical bearings I7 are arranged and located on two sides of the driving wheel I5, a rotating shaft I8 is mounted on the inner ring of the vertical bearing I7, a bevel gear I9 meshed with the driving wheel I5 is mounted in the center of the rotating shaft I8, key grooves 10 are formed in two ends of the rotating shaft I8, belt pulleys I11 are mounted at two ends of the rotating shaft I8, key bars 12 are mounted on the inner ring of the belt pulleys I11, the key bars 12 are fixedly connected with the belt pulleys I11, the key bars 12 are slidably connected with the key grooves 10, and a vertical bearing II 13 is mounted on the upper surface of the lower end of the rectangular base 1, the upper surface of the lower end of the rectangular base 1 is provided with a second vertical bearing 13, the number of the second vertical bearing 13 is two, a second rotating shaft 14 is arranged on an inner ring of the second vertical bearing 13, the positions, close to the two ends, of the second rotating shaft 14 are provided with positive threads 15, reverse threads 16 are arranged on one side of the positive threads 15, an I-shaped sliding rail 17 is arranged on one side of the second vertical bearing 13, the number of the I-shaped sliding rails 17 is two, one end of the upper surface of the I-shaped sliding rail 17 is provided with a first L-shaped sliding rod 18, the other end of the upper surface of the I-shaped sliding rail 17 is provided with a second L-shaped sliding rod 19, the lower surfaces of the first L-shaped sliding rod 18 and the second L-shaped sliding rod 19 are respectively connected with the I-shaped sliding rail 17 in a sliding mode, one end of the first L-shaped sliding rod 18 is provided with a first sliding block 20, a first threaded hole 21 is formed in the inner ring of the first sliding block 20, the threaded hole 21 is meshed with the positive threads 15, a connecting rod 22 is arranged on the side surface of the first sliding block 20, one end of the connecting rod 22 is provided with a fixing ring 107, an ordinary bearing I109 is arranged on the inner ring of the fixed ring 107, a rotating ring 23 is arranged on the inner ring of the ordinary bearing I109, and one end of the rotating ring 23 is fixedly connected with the belt pulley I11; one end of each of the L-shaped sliding rod I18 and the L-shaped sliding rod II 19 is provided with a common bearing II 24, the outer ring of the common bearing II 24 is provided with a rotating cylinder 25, one end of the rotating cylinder 25 is provided with a rotating disc 26, the side surface of the rotating disc 26 is provided with an inclined rod 27, the other side of the rotating cylinder 25 is provided with a belt pulley II 28, one belt pulley II 28 is arranged, and a first transmission belt 29 is arranged between the belt pulley II 28 and the belt pulley I11;
the steering simulation mechanism further comprises a vertical bearing III 30 on the upper surface of the lower end of the rectangular base 1, a rotating shaft III 31 is mounted on an inner ring of the vertical bearing III 30, a supporting wheel 32 is mounted at one end of the rotating shaft III 31, a vertical bearing IV 33 is mounted on one side of the vertical bearing III 30, a rotating frame 34 is mounted on an inner ring of the vertical bearing IV 33, a common bearing III 35 is mounted at the lower end of the rotating frame 34, a spur gear I36 is mounted on an outer ring of the common bearing III 35, a side surface of the spur gear I36 is fixedly connected with the rotating shaft III 31, a common bearing IV 37 is mounted at the upper end of the rotating frame 34, a spur gear II 38 meshed with the spur gear I36 is mounted on an outer ring of the common bearing IV 37, a transmission wheel 39 is mounted on a side surface of the spur gear II 38, and a transmission belt II 40 is mounted between the transmission wheel 39 and the inclined rod 27; a connecting rod 41 is arranged on the side surface of the rotating frame 34, and a first extension spring 42 is arranged between the connecting rod 41 and the rectangular base 1; a first worm wheel 43 is mounted at the center of the second rotating shaft 14, a first horizontal bearing 44 is mounted on the upper surface of the rectangular base 1, a steering rod 45 is mounted on the inner ring of the first horizontal bearing 44, a first worm 46 meshed with the first worm wheel 43 is mounted at the lower end of the steering rod 45, and a steering wheel 47 is mounted at the upper end of the steering rod 45;
the differential lock simulation mechanism comprises a T-shaped slide rail 48 on the upper surface of a rectangular base 1, a moving block 49 is mounted at the upper end of the T-shaped slide rail 48, a threaded through hole 50 is formed in the center of the moving block 49, an arc-shaped limiting groove 51 is mounted on one side of the moving block 49, a vertical bearing five 52 is mounted on one side of the T-shaped slide rail 48, a reciprocating lead screw 53 is mounted on the inner ring of the vertical bearing five 52, one end of the reciprocating lead screw 53 is meshed with the threaded through hole 50, a worm gear two 54 is mounted at the other end of the reciprocating lead screw 53, a support rod 55 is mounted on the other side of the T-shaped slide rail 48, a common bearing five 56 is mounted at the upper end of the support rod 55, a worm gear two 57 meshed with the worm gear two 54 is mounted on the inner ring of the common bearing five 56, and a straight gear three 58 is mounted at one end of the worm gear two 57;
the road condition simulation mechanism comprises a rectangular box 59 on one side of the upper surface of a rectangular base 1, a circular hole 60 is formed in the side surface of the rectangular box 59, a hollow pipe 61 is installed in the center of the upper surface of the rectangular box 59, the hollow pipe 61 and the rectangular box 59 are in an intercommunicating state, a sliding rod 62 is installed in the hollow pipe 61, an Contraband-shaped frame 63 and 21274is installed at the lower end of the sliding rod 62, a limiting block 64 is installed at the lower end of the shaped frame 63, a limiting groove 65 is formed in the side surface of the rectangular box 59, the limiting block 64 is in sliding connection with the limiting groove 65, fixing rods 66 are installed on two sides of the hollow pipe 61, the fixing rods 66 and the hollow pipe 61 are in an intercommunicating state, long holes 67 are formed in two sides of the fixing rods 66, a limiting rod 68 is installed on the inner surface of the fixing rods 66, a blocking piece 69 is installed at one end of the limiting rod 68, the blocking piece 69 corresponds to the position of the long hole 67, and a circular groove 70 is formed in the side surface of the sliding rod 62; a limiting plate 71 is installed on the side surface of the rectangular box 59, a first pressing block 72 is installed on one side of the limiting plate 71, a second extension spring 73 is installed between the side surface of the first pressing block 72 and the rectangular box 59, a circular groove 74 is formed in the side surface of the first pressing block 72, a second pressing block 75 is installed in the circular groove 74, the second pressing block 75 and the circular groove 74 are in a sliding state, and a first compression spring 76 is installed between the second pressing block 75 and the first pressing block 72.
The suspension display mechanism comprises a rectangular support 77 at one end of the upper surface of a rectangular base 1, a first fixing shaft 78 is mounted at the upper end of the rectangular support 77, a swing arm 79 is mounted at one side of the first fixing shaft 78, one end of the swing arm 79 is hinged with the first fixing shaft 78, a second fixing shaft 80 is mounted at one end of the swing arm 79, an annular fixing frame 81 is mounted at one end of the second fixing shaft 80, a low-speed bearing 82 is mounted at the inner ring of the annular fixing frame 81, a hub model 83 is mounted at the inner ring of the low-speed bearing 82, an anti-tilting rod 84 is mounted between the rectangular support 77 and the annular fixing frame 81, a vertical partition plate 85 is mounted at the side surface of the rectangular support 77, a round hole 86 is formed at the side surface of the vertical partition plate 85, a first roller bearing 87 is mounted at the inner surface of the round hole 86, a sun gear 88 is mounted at the inner ring of the first roller bearing 87, a planetary gear 89 is mounted at one end of the sun gear 88, and a differential lock frame 90 is mounted at one end of the sun gear 88, a rubber ring I91 is arranged on one side of the differential lock frame 90, a through hole III 92 is formed in two sides of the rectangular support 77, a half shaft 93 is arranged on the inner ring of the through hole III 92, a universal shaft I94 is arranged at one end of the half shaft 93, a rotating rod I95 is arranged at one end of the universal shaft I94, a universal shaft II 96 is arranged between the rotating rod I95 and the hub model 83, and a driven gear 97 meshed with the planetary gear 89 is arranged at the other end of the half shaft 93; the upper surface of the rectangular base 1 is provided with a vertical bearing six 98, the inner ring of the vertical bearing six 98 is provided with a rotating shaft four 99, one end of the rotating shaft four 99 is provided with a bevel gear II 100 which is mutually meshed with the sun gear 88, and the other end of the rotating shaft four 99 is provided with a bevel gear III 101 which is mutually meshed with the driving wheel II 6.
The rectangular opening 102 is opened on the upper surface of the rectangular base 1, and the hub model 83 can be placed on the upper end of the supporting wheel 32 through the action of the rectangular opening 102.
One end of the rotating shaft IV 99 is provided with a spur gear IV 103 which is mutually meshed with the spur gear III 58.
The differential mode locking simulation mechanism further comprises a locking disc 104 arranged at one end of the half shaft 93, a limiting strip 106 is arranged on the inner ring of the locking disc 104, a rectangular groove 105 is formed in the outer surface of the half shaft 93, the limiting strip 106 corresponds to the rectangular groove 105 in position, and the locking disc 104 corresponds to the arc-shaped limiting groove 51 in position.
Half-shafts 93 pass through rectangular box 59 through circular holes 60.
A second rubber ring 108 is installed on one side of the locking disc 104, and the effect of locking the differential can be achieved through friction force generated by contact of the second rubber ring 108 and the first rubber ring 91.
In the embodiment, the electrical appliance of the device is controlled by an external controller, a reciprocating screw 53 in the device belongs to the prior art and is not described in detail, when an automobile simulation is needed, the controller controls the rotating motor 2 to rotate, the rotating motor 2 simultaneously drives the output shaft I3 and the output shaft II 4 to rotate, the rotation of the output shaft I3 drives the driving wheel I5, the bevel gear I9 and the rotating shaft I8 to rotate, the rotation of the rotating shaft I8 drives the belt pulley I11 to slide, the rotating shaft I8 can stably rotate through the support of the vertical bearing I7, the belt pulley I11 drives the belt pulley II 28 to rotate through the transmission of the transmission belt I29, the rotation of the belt pulley II 28 drives the inclined rod 27 to rotate, the rotation of the inclined rod 27 drives the transmission wheel 39 to rotate through the transmission of the transmission belt II 40, and the rotation of the transmission wheel 39 drives the straight gear II 38 to rotate, the rotation of the second spur gear 38 drives the first spur gear 36 to rotate, the rotation of the first spur gear 36 drives the third rotating shaft 31 to rotate, and the rotation of the third rotating shaft 31 drives the supporting wheel 32 to rotate, so that the hub model 83 is driven actively; when a simulated turn is needed, a steering wheel 47 is manually rotated, the lower end of a steering rod 45 drives a first worm 46 to rotate, the first worm 46 rotates to drive a first worm wheel 43 and a second rotating shaft 14 to rotate, the second rotating shaft 14 rotates to drive a positive thread 15 and a negative thread 16 on the same side to rotate, the first L-shaped sliding rod 18 and the second L-shaped sliding rod 19 on the same side can move oppositely by utilizing the difference of thread directions, the first L-shaped sliding rod 18 and the second L-shaped sliding rod 19 on the other side can be separated from each other by adjusting the thread direction on the other side, and when the distance between the first L-shaped sliding rod 18 and the second L-shaped sliding rod 19 is changed, the diameter of the contact part of a second driving belt 40 and an inclined rod 27 is changed, so that the purpose of changing the transmission ratio is achieved; when the first L-shaped sliding rod 18 moves, the connecting rod 22 is driven to move synchronously, so that the positions of the first belt pulley 11 and the second belt pulley 28 are always on the same straight line;
the rotation of the second output shaft 4 drives the second driving wheel 6 to rotate, the rotation of the second driving wheel 6 drives the third bevel gear 101 to rotate, the rotation of the third bevel gear 101 drives the fourth rotating shaft 99 to rotate, the rotation of the fourth rotating shaft 99 drives the second bevel gear 100 and the fourth spur gear 103 to rotate, the rotation of the second bevel gear 100 drives the sun gear 88 to rotate, the self-transmission of the sun gear 88 drives the planetary gear 89 to revolve around the sun gear 88, the sun gear 88 indirectly drives the driven gear 97, the half shaft 93, the first universal shaft 94, the second universal shaft 96 and the hub model 83 to rotate, the motion state of the hub model 83 is passive, when the rotation speeds of the supporting wheels 32 are synchronous, the hub model 83 simulates the rotation state when the automobile runs straight, at the moment, the planetary gear 89 does not rotate and revolves, and the rotation speeds of the left and right hub models 83 are the same; when the steering wheel 47 is rotated to simulate turning, the rotating speed of the left and right supporting wheels 32 changes, the hub model 83 rotates along with the rotation of the supporting wheels 32, at the moment, the planetary gear 89 rotates while revolving, so that the rotating speed difference of the hub models 83 on two sides is filled up, and the larger the rotating speed difference of the hub models 83 is, the faster the planetary gear 86 rotates;
the rotation of the spur gear four 103 drives the spur gear three 58 to rotate, the rotation of the spur gear three 58 drives the worm gear two 57 to rotate, the rotation of the worm gear two 57 drives the worm gear two 54 to rotate, the rotation of the worm gear two 54 drives the reciprocating lead screw 53 to rotate, the rotation of the reciprocating lead screw 53 can enable the moving path of the moving block 49 to be reciprocating piston motion, the moving block 49 directly drives the arc-shaped limiting groove 51 to move, the moving of the arc-shaped limiting groove 51 drives the locking disc 104 to slide, the locking disc 104 drives the rubber ring two 108 to contact with the rubber ring one 91 when sliding, the half shaft 93 and the differential lock frame 90 are indirectly in a relatively static state, the planetary gear 89 cannot rotate, and therefore the locking state of the differential lock is simulated;
the sliding rod 62 can be slid downwards by manually pressing the sliding rod 62, the limiting rod 68 can be pressed against the circular groove 70 under the action of a spring in the fixing rod 66, so that the sliding rod 62 cannot be displaced when being subjected to a small acting force, the sliding of the sliding rod 62 drives the Contraband-shaped frame 63 to move, namely 21274, the Contraband-shaped frame 63 forces the first pressing block 72 and the second pressing block 75 to move rightwards, so that the second pressing block 75 is in contact with the half shaft 93 to generate friction force, and the state of wheels when a vehicle is trapped is simulated; the first pressing block 72 can be timely reset through the action of the second extension spring 73, and the second pressing block 75 can be more gradually contacted with the half shaft 93 through the action of the first compression spring 76.
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 (7)
1. An automobile teaching aid for simulating the working condition of the rear wheels of an automobile comprises a rectangular base (1), wherein a suspension display mechanism is arranged on the upper surface of the rectangular base (1), and is characterized in that a differential mode locking simulation mechanism is arranged on one side of the suspension display mechanism, a steering simulation mechanism is arranged in the rectangular base (1), and a road condition simulation mechanism is arranged on one side of the suspension display mechanism;
the steering simulation mechanism comprises a rotating motor (2) at one end of the upper surface of a rectangular base (1), a first output shaft (3) is installed at the lower end of the rotating motor (2), a second output shaft (4) is installed at the upper end of the rotating motor (2), a first driving wheel (5) is installed at one end of the first output shaft (3), a second driving wheel (6) is installed at one end of the second output shaft (4), a first vertical bearing (7) is installed on the upper surface of the lower end of the rectangular base (1), the first vertical bearing (7) is provided with two rotating shafts (8) and located on two sides of the first driving wheel (5), a first bevel gear (9) meshed with the first driving wheel (5) is installed at the center of the first rotating shaft (8), key grooves (10) are formed in two ends of the first rotating shaft (8), first belt pulleys (11) are installed at two ends of the first rotating shaft (8), and key strips (12) are installed on the inner rings of the first belt pulleys (11), the key bar (12) is fixedly connected with the belt pulley I (11), the key bar (12) is in sliding connection with the key groove (10), the upper surface of the lower end of the rectangular base (1) is provided with two vertical bearings II (13), the inner ring of each vertical bearing II (13) is provided with two rotating shafts II (14), the positions, close to the two ends, of the rotating shafts II (14) are provided with positive threads (15), one sides of the positive threads (15) are provided with reverse threads (16), one sides of the vertical bearings II (13) are provided with I-shaped sliding rails (17), the I-shaped sliding rails (17) are provided with two I-shaped sliding rails (17), one end of the upper surface of each I-shaped sliding rail (17) is provided with an L-shaped sliding rod I (18), the other end of the upper surface of each I-shaped sliding rail (17) is provided with an L-shaped sliding rod II (19), the lower surfaces of the L-shaped sliding rods I (18) and the L-shaped sliding rod II, a first threaded hole (21) is formed in the inner ring of the first sliding block (20), the first threaded hole (21) is meshed with the positive thread (15), a connecting rod (22) is installed on the side surface of the first sliding block (20), a fixing ring (107) is installed at one end of the connecting rod (22), a first common bearing (109) is installed on the inner ring of the fixing ring (107), a rotating ring (23) is installed on the inner ring of the first common bearing (109), and one end of the rotating ring (23) is fixedly connected with a first belt pulley (11); one end of each of the L-shaped sliding rod I (18) and the L-shaped sliding rod II (19) is provided with a common bearing II (24), the outer ring of the common bearing II (24) is provided with a rotating cylinder (25), one end of the rotating cylinder (25) is provided with a rotating disc (26), the side surface of the rotating disc (26) is provided with an inclined rod (27), the other side of the rotating cylinder (25) is provided with a belt pulley II (28), one belt pulley II (28) is arranged, and a transmission belt I (29) is arranged between the belt pulley II (28) and the belt pulley I (11);
the steering simulation mechanism further comprises a vertical bearing III (30) on the upper surface of the lower end of the rectangular base (1), a rotating shaft III (31) is mounted on an inner ring of the vertical bearing III (30), a supporting wheel (32) is mounted at one end of the rotating shaft III (31), a vertical bearing IV (33) is mounted on one side of the vertical bearing III (30), a rotating frame (34) is mounted on an inner ring of the vertical bearing IV (33), a common bearing III (35) is mounted at the lower end of the rotating frame (34), a straight gear I (36) is mounted on an outer ring of the common bearing III (35), a side surface of the straight gear I (36) is fixedly connected with the rotating shaft III (31), a common bearing IV (37) is mounted at the upper end of the rotating frame (34), a straight gear II (38) meshed with the straight gear I (36) is mounted on an outer ring of the common bearing IV (37), a transmission wheel (39) is mounted on a side surface of the straight gear II (38), and a transmission belt II (40) is mounted between the transmission wheel (39) and the inclined rod (27); a connecting rod (41) is installed on the side surface of the rotating frame (34), and a first extension spring (42) is installed between the connecting rod (41) and the rectangular base (1); a first worm wheel (43) is mounted at the center of the second rotating shaft (14), a first horizontal bearing (44) is mounted on the upper surface of the rectangular base (1), a steering rod (45) is mounted on the inner ring of the first horizontal bearing (44), a first worm (46) meshed with the first worm wheel (43) is mounted at the lower end of the steering rod (45), and a steering wheel (47) is mounted at the upper end of the steering rod (45);
the differential mode locking simulation mechanism comprises a T-shaped slide rail (48) on the upper surface of a rectangular base (1), a moving block (49) is mounted at the upper end of the T-shaped slide rail (48), a threaded through hole (50) is formed in the center of the moving block (49), an arc-shaped limiting groove (51) is mounted at one side of the moving block (49), a vertical bearing five (52) is mounted at one side of the T-shaped slide rail (48), a reciprocating lead screw (53) is mounted at the inner ring of the vertical bearing five (52), one end of the reciprocating lead screw (53) is meshed with the threaded through hole (50), a worm gear two (54) is mounted at the other end of the reciprocating lead screw (53), a support rod (55) is mounted at the other side of the T-shaped slide rail (48), a common bearing five (56) is mounted at the upper end of the support rod (55), a worm gear two (57) meshed with the worm gear two (54) is mounted at the inner ring of the common bearing five (56), and a straight gear three (58) is mounted at one end of the worm gear two (57);
the road condition simulation mechanism comprises a rectangular box (59) on one side of the upper surface of a rectangular base (1), a circular hole (60) is formed in the side surface of the rectangular box (59), a hollow pipe (61) is installed in the center of the upper surface of the rectangular box (59), the hollow pipe (61) and the rectangular box (59) are in an intercommunicating state, a sliding rod (62) is installed in the hollow pipe (61), an Contraband-shaped frame (63) is installed at the lower end of the sliding rod (62), a limiting block (64) is installed at the lower end of the Contraband-shaped frame (63), a limiting groove (65) is formed in the side surface of the rectangular box (59), the limiting block (64) is in sliding connection with the limiting groove (65), fixing rods (66) are installed on two sides of the hollow pipe (61), the fixing rods (66) and the hollow pipe (61) are in an intercommunicating state, long holes (67) are formed in two sides of the fixing rods (66), a limiting rod (68) is installed on the inner surface of the fixing rod (66), a blocking piece (69) is installed on one end of the limiting rod (68), the position of the baffle piece (69) corresponds to that of the long hole (67), and a circular groove (70) is formed in the side surface of the sliding rod (62); limiting plate (71) is installed to rectangle box (59) side surface, and limiting plate (71) one side is installed briquetting (72), installs between briquetting (72) side surface and rectangle box (59) extension spring two (73), and briquetting (72) side surface is opened there is circular slot (74), installs briquetting two (75) in circular slot (74), and briquetting two (75) and circular slot (74) are in gliding state, install compression spring (76) between briquetting two (75) and briquetting (72).
2. The automobile teaching aid for simulating the working condition of the rear wheels of an automobile according to claim 1, wherein the suspension display mechanism comprises a rectangular support (77) at one end of the upper surface of a rectangular base (1), a first fixing shaft (78) is installed at the upper end of the rectangular support (77), a swing arm (79) is installed on one side of the first fixing shaft (78), one end of the swing arm (79) is hinged to the first fixing shaft (78), a second fixing shaft (80) is installed at one end of the swing arm (79), the swing arm (79) is hinged to the second fixing shaft (80), an annular fixing frame (81) is installed at one end of the second fixing shaft (80), a low-speed bearing (82) is installed on the inner ring of the annular fixing frame (81), a hub model (83) is installed on the inner ring of the low-speed bearing (82), an anti-tilt rod (84) is installed between the rectangular support (77) and the annular fixing frame (81), a vertical partition plate (85) is installed on the side surface of the rectangular support (77), a round hole (86) is formed in the side surface of the vertical partition plate (85), a roller bearing I (87) is installed on the inner surface of the round hole (86), a sun gear (88) is installed on the inner ring of the roller bearing I (87), a planetary gear (89) is installed at one end of the sun gear (88), a differential lock frame (90) is installed at one end of the sun gear (88), a rubber ring I (91) is installed at one side of the differential lock frame (90), through holes III (92) are formed in two sides of the rectangular support (77), a half shaft (93) is installed on the inner ring of the through holes III (92), a universal shaft I (94) is installed at one end of the half shaft (93), a rotating rod I (95) is installed at one end of the universal shaft I (94), a universal shaft II (96) is installed between the rotating rod I (95) and the hub model; the upper surface of the rectangular base (1) is provided with a vertical bearing six (98), the inner ring of the vertical bearing six (98) is provided with a rotating shaft four (99), one end of the rotating shaft four (99) is provided with a bevel gear II (100) which is meshed with the sun gear (88), and the other end of the rotating shaft four (99) is provided with a bevel gear III (101) which is meshed with the driving wheel II (6).
3. The automobile teaching aid for simulating the working conditions of the rear wheels of an automobile according to claim 1, wherein a rectangular opening (102) is formed in the upper surface of the rectangular base (1).
4. An automobile teaching aid for simulating the working conditions of rear wheels of an automobile as claimed in claim 2, wherein one end of the rotating shaft four (99) is provided with a spur gear four (103) which is meshed with the spur gear three (58).
5. The automobile teaching aid for simulating the working conditions of the rear wheels of an automobile according to claim 2, wherein the differential lock simulation mechanism further comprises a locking disc (104) at one end of the half shaft (93), a limiting strip (106) is mounted on the inner ring of the locking disc (104), a rectangular groove (105) is formed in the outer surface of the half shaft (93), the limiting strip (106) corresponds to the rectangular groove (105), and the locking disc (104) corresponds to the arc-shaped limiting groove (51).
6. A vehicle teaching aid for simulating the behaviour of the rear wheels of a vehicle as claimed in claim 5, wherein the axle shafts (93) pass through the rectangular box (59) by means of circular holes (60).
7. The automobile teaching aid for simulating the working conditions of the rear wheels of an automobile according to claim 5, wherein a second rubber ring (108) is installed on one side of the locking disc (104).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502466.7A CN111653179B (en) | 2020-06-05 | 2020-06-05 | Automobile teaching aid for simulating working conditions of rear wheels of automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010502466.7A CN111653179B (en) | 2020-06-05 | 2020-06-05 | Automobile teaching aid for simulating working conditions of rear wheels of automobile |
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| CN111653179A CN111653179A (en) | 2020-09-11 |
| CN111653179B true CN111653179B (en) | 2021-08-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112336134B (en) * | 2020-11-19 | 2022-10-14 | 段凯旋 | Automobile rear axle display stand |
| CN112258966B (en) * | 2020-11-19 | 2022-04-19 | 王明明 | Multifunctional automobile teaching aid display device |
| CN113570960B (en) * | 2021-09-09 | 2023-08-08 | 北京智扬北方国际教育科技有限公司 | Hybrid electric vehicle operating mode demonstration teaching aid |
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| CN201757939U (en) * | 2010-02-18 | 2011-03-09 | 蔡秋萍 | Simple small-sized model vehicle capable of visually simulating vehicle turning |
| DE102010003210A1 (en) * | 2010-03-24 | 2011-09-29 | Zf Lenksysteme Gmbh | Method for simulating critical driving state of motor car, involves actuating components of motor car according to control signal in order to simulate effects of variable disturbance experienced by motor car |
| CN206480294U (en) * | 2016-06-24 | 2017-09-08 | 北京智扬北方国际教育科技有限公司 | A kind of automobile gearbox support frame |
| CN207020877U (en) * | 2017-05-25 | 2018-02-16 | 中职北方智扬(北京)教育科技有限公司 | A kind of vehicle transmission teaching Demonstration table |
| CN209947266U (en) * | 2019-03-19 | 2020-01-14 | 江西江铃集团车桥齿轮有限责任公司 | Simulation differential gear assembly device |
| CN210243198U (en) * | 2019-06-14 | 2020-04-03 | 孙艳静 | Automobile chassis part detector |
| CN210271477U (en) * | 2019-06-28 | 2020-04-07 | 云南交通运输职业学院 | Automobile electric power steering system teaching aid |
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Effective date of registration: 20230104 Address after: No.9, Zhengyang Road, Xin'an Town, Zhengding County, Shijiazhuang, Hebei 050,899 Patentee after: Hebei Zhengkeda Education Technology Co.,Ltd. Address before: 057650 Business Incubation Center 200m West Kunshan Road, Shengying Town, Guangping County, Handan City, Hebei Province Patentee before: BEIJING ZHI YANG NORTH INTERNAITONAL EDUCATION TECHNOLOGY Co.,Ltd. |
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