Automobile power system working condition demonstration device capable of realizing layered display

Abstract

The invention discloses an automobile power system working condition demonstration device capable of layered display, and relates to the field of automobile power system teaching and display equipment, the automobile power system working condition demonstration device comprises an automobile power unit, the automobile power unit comprises an auxiliary frame, the auxiliary frame is cut into two parts from the middle, the top of one part is provided with an engine, and the top of the other part is provided with a gearbox; a swing arm is arranged in the width direction of the auxiliary frame, the supporting unit is arranged at the bottom of the auxiliary frame, and the supporting unit comprises supporting columns fixedly installed at the corners of the bottom of the auxiliary frame and a bearing plate fixedly installed at the bottoms of the supporting columns; according to the automobile power system working condition demonstration device capable of being displayed in a layered mode, the auxiliary frame is cut into the engine side and the gearbox side from the middle, and the power system is displayed in a split mode through connection of the swing arm; the supporting columns and the bearing plates form a modularized basic frame, independent installation and combined display of the split type auxiliary frame are supported, and teaching intuition is improved.

Description

Technical Field

[0001] The present invention relates to the technology of teaching and demonstration equipment for automotive power systems, and particularly to a working condition demonstration device for automotive power systems that can be displayed in layers. Background Art

[0002] An automotive power system usually consists of an engine, a transmission, a drive train, a fuel system, etc., and its working state changes with different working conditions (such as acceleration, constant speed, climbing, etc.). In order to study, develop, and optimize the performance of the power system, it is of great significance to be able to intuitively display the power transmission and power output under various working conditions. In the prior art, the performance evaluation of many automotive power systems needs to be carried out through test drives, test benches, etc. In view of the limitations of traditional methods, devices that can be portable, intuitive, and accurately display the response of the power system under different working conditions are attracting more and more attention. By means of a simple mechanical structure or an electronic control system, the operating state of the engine under different loads is simulated, providing a convenient tool for the development, debugging, and training of automotive power systems.

[0003] Most existing automotive power system demonstration devices are static models, which are difficult to dynamically simulate the power transmission process, and have a high degree of structural integration, making it impossible to display the linkage relationship of the internal structures of the engine and the transmission during transmission in layers. In addition, traditional devices cannot adjust the height and angle to meet the viewing requirements from different perspectives, and the teaching effect is limited. Summary of the Invention

[0004] The purpose of the present invention is to provide a working condition demonstration device for automotive power systems that can be displayed in layers to solve the above deficiencies in the prior art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A working condition demonstration device for automotive power systems that can be displayed in layers, including an automotive power unit, which includes a subframe. The subframe is cut into two parts from the middle. An engine is arranged on the top of one part, and a transmission is arranged on the top of the other part. Swing arms are arranged in the width direction of the subframe. The device further includes:

[0006] A support unit, which is arranged at the bottom of the subframe. The support unit includes support columns fixedly installed at the bottom corners of the subframe and a bearing plate fixedly installed at the bottom of the support columns;

[0007] A power transmission unit, which is arranged between the engine and the transmission. The power transmission unit includes a first transmission unit and a second transmission unit. One side of the first transmission unit includes a first transmission rotating shaft, and the second transmission unit includes a second transmission rotating shaft. The first transmission rotating shaft and the second transmission rotating shaft are rotatably connected by a rotating pin;

[0008] Lifting unit, which is arranged on the top of the bearing plate. The lifting unit includes a height adjustment unit for lifting the engine and the transmission. The height adjustment unit includes a translation drive member fixedly installed on the top of the bearing plate. The top end of the translation drive member is fixedly installed with a driving rack. The driving rack is meshed with a gear, and the gear is meshed with a driven rack arranged obliquely. The top of the driven rack is rotatably connected with a second support plate;

[0009] Adjusting unit, which is arranged at the bottom of the bearing plate. The adjusting unit includes a connecting block fixedly installed at the bottom of the bearing plate, and a bidirectional drive member is fixedly installed between the connecting blocks.

[0010] Furthermore, the support unit further includes:

[0011] A plurality of first support seats, which are fixedly installed on the top of a part of the subframe supporting the transmission. A first inclined slot is formed through one side of the first support seat towards the swing arm on one side of the transmission. A fixing pin fixedly connected with the transmission is slidably installed inside the first inclined slot;

[0012] A plurality of second support seats, which are fixedly installed on the top of a part of the subframe supporting the engine. A second inclined slot is formed through one side of the second support seat towards the swing arm on one side of the engine. A fixing pin fixedly connected with the engine is slidably installed inside the second inclined slot.

[0013] Furthermore, the first transmission unit includes:

[0014] The first power transmission shaft, which is fixedly installed on the input shaft of the transmission through a coupling;

[0015] The first transmission disc, which is fixedly installed at the end of the first power transmission shaft away from the transmission. The first transmission rotating shafts are distributed in a circumferential array and penetrate through the first transmission disc. The outer side of the first transmission rotating shaft is slidably connected with the penetrated part of the first transmission disc;

[0016] The second transmission unit includes:

[0017] The second power transmission shaft, which is fixedly installed on the output shaft of the engine through a coupling;

[0018] The second transmission disc, which is fixedly installed at the other end of the second power transmission shaft. The second transmission rotating shafts are distributed in a circumferential array and penetrate through the second transmission disc. The outer side of the second transmission rotating shaft is slidably connected with the penetrated part of the second transmission disc;

[0019] The rotating pin is located between the first transmission disc and the second transmission disc.

[0020] Furthermore, the lifting unit further includes:

[0021] Support piles, which are fixedly installed on the top of the bearing plate and are located below the swing arm;

[0022] The first support plate is rotatably installed at the top of the support pile, and the top of the first support plate is connected to the bottom of the swing arm;

[0023] The protective housing is arranged outside the gear, and the protective housing is rotatably connected to the gear;

[0024] The limiting plate has one side fixedly connected to the outside of the protective housing and the other side fixedly connected to the subframe;

[0025] The driven block is fixedly installed at the bottom of one side of the driven rack;

[0026] The adjusting threaded rod obliquely penetrates through the driven block, the outside of the adjusting threaded rod is threadedly connected to the penetrated part of the driven block, and the top of the adjusting threaded rod is connected to the bottom of the second support plate.

[0027] Further, the adjusting unit further includes:

[0028] The sliders are fixedly installed at the bottom of the bearing plate in a linear array;

[0029] The optical axis is arranged at the bottom of the bearing plate and is slidably connected to the slider;

[0030] The longitudinal struts are fixedly installed at the ends of the optical axis.

[0031] Further, a collection unit is further included. The two collection units are respectively arranged at the bottoms of the engine and the gearbox. The collection unit includes:

[0032] The collection box is fixedly installed at the top of the bearing plate;

[0033] The inclined plate is obliquely arranged and fixedly installed inside the collection box. A plurality of through holes are opened at the lowest part of the inclined plate, and a plurality of arc-shaped strips are fixedly installed at the top of the inclined plate in a linear array;

[0034] The oil collection box is slidably installed inside the collection box and is located below the inclined plate;

[0035] The oil scraping rod is slidably installed at the top of the inclined plate.

[0036] Further, a support pedal unit is further included. The support pedal unit is arranged at the side of the bottom of the bearing plate. The support pedal unit includes:

[0037] Two fixed shafts are respectively fixedly installed at the bottoms of the two bearing plates;

[0038] Two connecting rods are respectively rotatably installed outside the fixed shafts;

[0039] The driven plate is rotatably installed between the two connecting rods;

[0040] The foot pedal is fixedly installed on one side of the driven plate close to the side of the bearing plate.

[0041] Furthermore, a base is fixedly installed at the bottom of the longitudinal pillar.

[0042] Compared with the prior art, a working condition demonstration device for an automotive power system capable of hierarchical display provided by the present invention has the following effects:

[0043] First, the subframe is cut in half from the middle into an engine side and a transmission side, and is connected by a swing arm to achieve a split display of the power system;

[0044] The support column and the bearing plate form a modular basic framework, which supports the independent installation and combined display of the split subframe, improving the teaching intuitiveness;

[0045] Second, the first transmission rotating shaft and the second transmission rotating shaft of the power transmission unit are hinged through a rotating pin to form a telescopic transmission chain, which can still maintain the continuity of power transmission when the engine or the transmission is tilted and adjusted, and truly simulates the torque change under actual working conditions.

[0046] The first transmission disk and the second transmission disk are slidably connected through the first transmission rotating shaft and the second transmission rotating shaft, adapting to the change in the length of the transmission shaft and avoiding transmission interruption caused by lifting or angle adjustment;

[0047] Third, multi-degree-of-freedom adjustment and precise control

[0048] The translation driving member is engaged through the driving rack, the driven gear and the gear, and combined with the screw drive of the adjusting threaded rod, to convert the horizontal driving force into an oblique lifting action, realizing the lifting separation and fine adjustment of the inclination angle of the engine and the transmission. Brief Description of the Drawings

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0050] Figure 1 It is the first schematic diagram of the overall structure provided by the embodiment of the present invention;

[0051] Figure 2 It is the second schematic diagram of the overall structure provided by the embodiment of the present invention;

[0052] Figure 3 It is provided by the embodiment of the present invention Figure 2 The enlarged view of A in;

[0053] Figure 4 It is the structural schematic diagram of the power transmission unit provided by the embodiment of the present invention;

[0054] Figure 5 The partial structural schematic diagram provided by the embodiment of the present invention;

[0055] Figure 6 The structural schematic diagram of the collection unit provided by the embodiment of the present invention;

[0056] Figure 7 The structural schematic diagram of the adjustment unit and the support pedal unit provided by the embodiment of the present invention;

[0057] Figure 8 Provided by the embodiment of the present invention Figure 7 The enlarged view of B in

[0058] Explanation of reference numerals in the drawings:

[0059] 1. Base; 2. Support unit; 21. Bearing plate; 22. Support column; 23. First support seat; 24. Second support seat; 3. Automotive power unit; 31. Subframe; 32. Swing arm; 33. Transmission; 34. Engine; 4. Power transmission unit; 41. First drive disk; 42. First drive rotating shaft; 43. First power drive shaft; 44. Second drive disk; 45. Second drive rotating shaft; 46. Second power drive shaft; 47. Rotating pin; 5. Collection unit; 51. Collection box; 52. Inclined plate; 53. Oil collection box; 54. Oil scraping rod; 6. Lifting unit; 61. Support pile; 62. First support plate; 63. Translation driving member; 64. Active rack; 65. Protective housing; 66. Limiting plate; 67. Driven rack; 68. Driven block; 69. Second support plate; 610. Adjusting threaded rod; 611. Gear; 7. Adjustment unit; 71. Longitudinal support; 72. Slide block; 73. Optical axis; 74. Connecting block; 75. Bidirectional driving member; 8. Support pedal unit; 81. Connecting rod; 82. Fixed shaft; 83. Driven plate; 84. Foot pedal. Detailed implementation manners

[0060] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further introduced in detail below in conjunction with the accompanying drawings.

[0061] Embodiment 1:

[0062] Please refer to Figures 1-5 and Figure 7 , a vehicle power system condition demonstration device that can be displayed in layers, including an automotive power unit 3, which includes a subframe 31. The subframe 31 is cut into two parts in the middle. An engine 34 is arranged on the top of one part, and a transmission 33 is arranged on the top of the other part. A swing arm 32 is arranged in the width direction of the subframe 31. It further includes:

[0063] The support unit 2 is disposed at the bottom of the subframe 31. The support unit 2 includes support columns 22 fixedly installed at the bottom corners of the subframe 31 and a bearing plate 21 fixedly installed at the bottom of the support columns 22;

[0064] The power transmission unit 4 is disposed between the engine 34 and the transmission 33. The power transmission unit 4 includes a first transmission unit and a second transmission unit. One side of the first transmission unit includes a first transmission rotating shaft 42. The second transmission unit includes a second transmission rotating shaft 45. The first transmission rotating shaft 42 and the second transmission rotating shaft 45 are rotatably connected by a rotating pin 47;

[0065] The lifting unit 6 is disposed on the top of the bearing plate 21. The lifting unit 6 includes a height adjustment unit for lifting the engine 34 and the transmission 33. The height adjustment unit includes a translation driving member 63 fixedly installed on the top of the bearing plate 21. A driving rack 64 is fixedly installed at the top end of the translation driving member 63. The driving rack 64 is meshed with a gear 611. The gear 611 is meshed with an inclined driven rack 67. The top of the driven rack 67 is rotatably connected to a second support plate 69. The height adjustment unit can work independently to control the synchronous or asynchronous lifting of the engine 34 and the transmission 33 respectively;

[0066] The adjustment unit 7 is disposed at the bottom of the bearing plate 21. The adjustment unit 7 includes a connecting block 74 fixedly installed at the bottom of the bearing plate 21. A bidirectional driving member 75 is fixedly installed between the connecting blocks 74.

[0067] The subframe 31 is cut from the middle and divided into an engine 34 side and a transmission 33 side. The support columns 22 and the bearing plate 21 form a basic frame to support the split subframe 31. Swing arms 32 are connected to both sides of the subframe 31 to form a separable display structure. The translation driving member 63 drives the driving rack 64 to move up and down, meshing the gear 611 to rotate. By the gear 611 meshing with the inclined driven rack 67 to move, the driven rack 67 slides along the inner side of the protective housing 65, driving the second support plate 69 to lift obliquely, realizing the vertical stratified display of the engine 34 and the transmission 33, which is convenient for visitors to observe the rotation dynamics of the gears at the bottom of the sides of the engine 34 and the transmission 33. The bidirectional driving member 75 drives the slider 72 to move along the optical axis 73 through the connecting block 74 to adjust the horizontal position of the bearing plate 21 to adapt to different display layouts. The translation driving member 63 includes but is not limited to an electric telescopic rod, which is electrically connected to an external power supply and is simultaneously controlled by an external PLC programming program. The bidirectional driving member 75 includes but is not limited to a bidirectional electric telescopic rod, which is electrically connected to an external power supply and is simultaneously controlled by an external PLC programming program.

[0068] The support unit 2 further includes:

[0069] A number of first support seats 23 are fixedly installed on the top of a part of the subframe 31 that supports the transmission 33. One side of the first support seat 23 is provided with a first inclined slot facing the swing arm 32 on one side of the transmission 33, and a fixing pin fixedly connected to the transmission 33 is slidably installed inside the first inclined slot;

[0070] A number of second support seats 24 are fixedly installed on the top of a part of the subframe 31 that supports the engine 34. One side of the second support seat 24 is provided with a second inclined slot facing the swing arm 32 on one side of the engine 34, and a fixing pin fixedly connected to the engine 34 is slidably installed inside the second inclined slot.

[0071] The first support seat 23 and the second support seat 24 respectively fix the transmission 33 and the engine 34, and are slidably connected through the inclined slots and fixing pins provided thereon, which is convenient for disassembly and maintenance. At the same time, the inclined slots provide a moving path.

[0072] The first transmission unit includes:

[0073] A first power transmission shaft 43 is fixedly installed on the input shaft of the transmission 33 through a coupling;

[0074] A first transmission disc 41 is fixedly installed at one end of the first power transmission shaft 43 away from the transmission 33. The first transmission rotating shafts 42 are distributed in a circumferential array and penetrate through the first transmission disc 41. The outer side of the first transmission rotating shaft 42 is slidably connected to the penetrated part of the first transmission disc 41;

[0075] The second transmission unit includes:

[0076] A second power transmission shaft 46 is fixedly installed on the output shaft of the engine 34 through a coupling;

[0077] A second transmission disc 44 is fixedly installed at the other end of the second power transmission shaft 46. The second transmission rotating shafts 45 are distributed in a circumferential array and penetrate through the second transmission disc 44. The outer side of the second transmission rotating shaft 45 is slidably connected to the penetrated part of the second transmission disc 44;

[0078] The rotating pin 47 is located between the first transmission disc 41 and the second transmission disc 44.

[0079] The first transmission disc 41 is connected to the input shaft of the transmission 33 through the first power transmission shaft 43, and the first transmission rotating shafts 42 slide through the transmission disc along the circumferential array.

[0080] The second transmission disc 44 is connected to the output shaft of the engine 34 through the second power transmission shaft 46, and the second transmission rotating shafts 45 slide through the transmission disc.

[0081] The first transmission rotating shaft 42 and the second transmission rotating shaft 45 are hinged by a rotating pin 47 to form a telescopic transmission chain, which transmits power for the engine 34 to drive the gearbox 33 to rotate, and can provide power transmission when the engine 34 or the gearbox 33 is tilted, and can adjust the tilt angle when the engine 34 or the gearbox 33 is working without interrupting power transmission;

[0082] The lifting unit 6 further includes:

[0083] A support pile 61, which is fixedly installed on the top of the bearing plate 21 and is located below the swing arm 32;

[0084] A first support plate 62, which is rotatably installed on the top of the support pile 61, and the top of the first support plate 62 is connected to the bottom of the swing arm 32;

[0085] A protective housing 65, which is arranged outside the gear 611, and the protective housing 65 is rotatably connected to the gear 611;

[0086] A limit plate 66, one side of which is fixedly connected to the outside of the protective housing 65, and the other side of which is fixedly connected to the subframe 31;

[0087] A driven block 68, which is fixedly installed at the bottom of one side of the driven rack 67;

[0088] An adjusting threaded rod 610, which obliquely penetrates through the driven block 68, the outside of the adjusting threaded rod 610 is threadedly connected to the penetrated part of the driven block 68, and the top end of the adjusting threaded rod 610 is connected to the bottom of the second support plate 69.

[0089] The support pile 61 and the first support plate 62 are used to support the swing arm 32. One end of the limit plate 66 is fixed to the protective housing 65, and the other end is fixedly connected to the subframe 31, restricting the displacement range of the gear 611 during transmission and preventing transmission overload. The protective housing 65 covers the gear 611 to avoid foreign object interference during the meshing process. The protective housing 65 is also provided with a groove for restricting the oblique movement direction of the driven rack 67. When the adjusting threaded rod 610 rotates, it adjusts the tilt angle of the second support plate 69 to adapt to the bottom shells of engines 34 or gearboxes 33 with different shapes and provide support, and can adjust the support angle.

[0090] The adjusting unit 7 further includes:

[0091] Sliders 72, which are fixedly installed at the bottom of the bearing plate 21 in a linear array;

[0092] A smooth shaft 73, which is arranged at the bottom of the bearing plate 21 and is slidably connected to the slider 72;

[0093] A longitudinal support 71, which is fixedly installed at the end of the smooth shaft 73.

[0094] A base 1 is fixedly installed at the bottom of the longitudinal support 71.

[0095] The bidirectional driving member 75 drives the slider 72 at the bottom of the bearing plate 21 to move along the outside of the optical axis 73 through the connecting block 74, adjusting the horizontal positions of the engine 34 and the transmission 33. The base 1 serves as a supporting carrier and is isolated from the ground.

[0096] Embodiment Two:

[0097] Please refer to Figure 1 、 Figure 2 、 Figure 5 and Figure 6 On the basis of Embodiment One, this embodiment provides a technical solution: It further includes a collection unit 5. Two collection units 5 are respectively arranged at the bottoms of the engine 34 and the transmission 33. The collection unit 5 includes:

[0098] A collection box 51, which is fixedly installed on the top of the bearing plate 21;

[0099] An inclined plate 52, which is inclined and fixedly installed inside the collection box 51. A plurality of through holes are opened at the lowest part of the inclined plate 52, and a plurality of arc-shaped strips are fixedly installed on the top of the inclined plate 52 in a linear array;

[0100] An oil collection box 53, which is slidably installed inside the collection box 51 and is located below the inclined plate 52;

[0101] An oil scraping rod 54, which is slidably installed on the top of the inclined plate 52.

[0102] The inclined plate 52 and the oil scraping rod 54 are arranged inside the collection box 51 to collect the oil leaked from the engine 34 and the transmission 33 and avoid pollution. The arc-shaped strips are used to deposit the sundries in the oil on the top of the inclined plate 52. The through holes provide a path for the oil to drip into the oil collection box 53. The oil scraping rod 54 is used to scrape the oil deposited on the top of the inclined plate 52 so that it flows into the collection box 51.

[0103] Embodiment Three:

[0104] Please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 8 On the basis of Embodiment One, this embodiment provides a technical solution: It further includes a support pedal unit 8. The support pedal unit 8 is arranged at the bottom side of the bearing plate 21. The support pedal unit 8 includes:

[0105] Two fixed shafts 82, which are respectively fixedly installed at the bottoms of the two bearing plates 21;

[0106] Two connecting rods 81, which are respectively rotatably installed on the outside of the fixed shafts 82;

[0107] The driven plate 83 is rotatably mounted between two connecting rods 81;

[0108] The foot pedal 84 is fixedly mounted on one side of the driven plate 83 close to the side of the bearing plate 21.

[0109] The foot pedal 84 and the driven plate 83 form a foldable structure through the connecting rod 81. During display, it can extend to provide a stepping fulcrum for visitors to observe closely. When the two bearing plates 21 move away from each other, the two connecting rods 81 move towards a parallel state, causing part of the foot pedal 84 to extend out of the bottom of the bearing plate 21 for providing a fulcrum for stepping.

[0110] Only some exemplary embodiments of the present invention have been described by way of illustration. Undoubtedly, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A vehicle power system operating condition demonstration device capable of hierarchical display, comprising a vehicle power unit (3), which includes a subframe (31). The subframe (31) is cut in half from the middle, with an engine (34) arranged on the top of one part and a gearbox (33) arranged on the top of the other part. Swing arms (32) are arranged in the width direction of the subframe (31), and it is characterized in that, Further included are: A support unit (2) which is arranged at the bottom of the subframe (31). The support unit (2) includes support columns (22) fixedly installed at the bottom corners of the subframe (31) and a bearing plate (21) fixedly installed at the bottom of the support columns (22); A power transmission unit (4) which is arranged between the engine (34) and the gearbox (33). The power transmission unit (4) includes a first transmission unit and a second transmission unit. One side of the first transmission unit includes a first transmission rotating shaft (42), and the second transmission unit includes a second transmission rotating shaft (45). The first transmission rotating shaft (42) and the second transmission rotating shaft (45) are rotatably connected by a rotating pin (47); A lifting unit (6) which is arranged at the top of the bearing plate (21). The lifting unit (6) includes a height adjustment unit for lifting the engine (34) and the gearbox (33). The height adjustment unit includes a translation driving member (63) fixedly installed at the top of the bearing plate (21). A driving rack (64) is fixedly installed at the top end of the translation driving member (63). The driving rack (64) is meshed with a gear (611). The gear (611) is meshed with an inclined driven rack (67). The top of the driven rack (67) is rotatably connected with a second support plate (69); An adjusting unit (7) which is arranged at the bottom of the bearing plate (21). The adjusting unit (7) includes a connecting block (74) fixedly installed at the bottom of the bearing plate (21), and a bidirectional driving member (75) is fixedly installed between the connecting blocks (74).

2. The working condition demonstration device of an automotive power system capable of hierarchical display according to claim 1, characterized in that, The support unit (2) further includes: A plurality of first support seats (23) which are fixedly installed at the top of the part of the subframe (31) supporting the gearbox (33). A first inclined slot is formed through one side of the first support seat (23) towards the swing arm (32) on one side of the gearbox (33), and a fixing pin fixedly connected with the gearbox (33) is slidably installed inside the first inclined slot; A plurality of second support seats (24) which are fixedly installed at the top of the part of the subframe (31) supporting the engine (34). A second inclined slot is formed through one side of the second support seat (24) towards the swing arm (32) on one side of the engine (34), and a fixing pin fixedly connected with the engine (34) is slidably installed inside the second inclined slot.

3. The vehicle power system operating condition demonstration device capable of hierarchical display according to claim 1, characterized in that, The first transmission unit includes: A first power transmission shaft (43) which is fixedly installed on the input shaft of the gearbox (33) through a coupling; A first transmission disc (41) which is fixedly installed at the end of the first power transmission shaft (43) far away from the gearbox (33). The first transmission rotating shafts (42) are distributed in a circumferential array and penetrate through the first transmission disc (41). The outer sides of the first transmission rotating shafts (42) are slidably connected with the penetrated parts of the first transmission disc (41); The second transmission unit includes: A second power transmission shaft (46) which is fixedly installed on the output shaft of the engine (34) through a coupling; The second transmission disc (44) is fixedly installed at the other end of the second power transmission shaft (46). The second transmission rotating shafts (45) are distributed in a circumferential array and penetrate through the second transmission disc (44). The outer sides of the second transmission rotating shafts (45) are slidably connected to the penetrated parts of the second transmission disc (44). The rotating pin (47) is located between the first transmission disc (41) and the second transmission disc (44).

4. The working condition demonstration device of an automobile power system capable of hierarchical display according to claim 1, characterized in that, The lifting unit (6) further includes: The support pile (61) is fixedly installed at the top of the bearing plate (21) and is located below the swing arm (32). The first support plate (62) is rotatably installed at the top of the support pile (61). The top of the first support plate (62) is connected to the bottom of the swing arm (32). The protective housing (65) is arranged outside the gear (611). The protective housing (65) is rotatably connected to the gear (611). The limiting plate (66) has one side fixedly connected to the outside of the protective housing (65) and the other side fixedly connected to the subframe (31). The driven block (68) is fixedly installed at the bottom of one side of the driven rack (67). The adjusting threaded rod (610) obliquely penetrates through the driven block (68). The outer side of the adjusting threaded rod (610) is threadedly connected to the penetrated part of the driven block (68). The top end of the adjusting threaded rod (610) is connected to the bottom of the second support plate (69).

5. The working condition demonstration device of an automotive power system capable of hierarchical display according to claim 1, wherein, The adjusting unit (7) further includes: The sliders (72) are fixedly installed at the bottom of the bearing plate (21) in a linear array. The optical axis (73) is arranged at the bottom of the bearing plate (21) and is slidably connected to the sliders (72). The longitudinal struts (71) are fixedly installed at the ends of the optical axis (73).

6. The vehicle power system condition demonstration device capable of hierarchical display according to claim 1, characterized in that, A collection unit (5) is further included. The two collection units (5) are respectively arranged at the bottoms of the engine (34) and the gearbox (33). The collection unit (5) includes: The collection box (51) is fixedly installed at the top of the bearing plate (21). The inclined plate (52) is inclined and fixedly installed inside the collection box (51). A plurality of through holes are opened at the lowest part of the inclined plate (52). A plurality of arc-shaped strips are fixedly installed at the top of the inclined plate (52) in a linear array. The oil collection box (53) is slidably installed inside the collection box (51) and is located below the inclined plate (52). The oil scraping rod (54) is slidably installed at the top of the inclined plate (52).

7. The working condition demonstration device for an automotive power system capable of hierarchical display according to claim 1, wherein A support pedal unit (8) is further included. The support pedal unit (8) is arranged at the side of the bottom of the bearing plate (21). The support pedal unit (8) includes: Two fixed shafts (82) are respectively fixedly installed at the bottoms of the two bearing plates (21). Two connecting rods (81) are respectively rotatably installed outside the fixed shafts (82). The driven plate (83) is rotatably installed between the two connecting rods (81). The foot pedal (84) is fixedly installed on one side of the driven plate (83) close to the side of the bearing plate (21).

8. The working condition demonstration device for an automotive power system capable of hierarchical display according to claim 5, characterized in that, A base (1) is fixedly installed at the bottom of the longitudinal strut (71).

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