阅读说明：本技术 一种电子助力转向系统的转向情况实验装置 (Steering condition experimental device of electronic power-assisted steering system ) 是由 卢素云 于 2021-08-25 设计创作，主要内容包括：本发明涉及一种实验装置,尤其涉及一种电子助力转向系统的转向情况实验装置。本发明提供一种能够满足在不同路面上进行测试,并且能够清晰的看到实验结果的电子助力转向系统的转向情况实验装置。一种电子助力转向系统的转向情况实验装置,包括有外罩和底框,外罩内底部设有底框；上框,外罩内中部设有上框,上框与底框连接；转向机构,上框顶部一侧设有转向机构；轮子,转向机构下部转动式设有轮子。本发明通过将电子助力转向系统的数据导入控制模块,转向机构与转动机构配合,使得整个实验在室内即可进行,无需调试汽车数据,也无需驾驶汽车,更不用寻找不同情况的路面,节省资源,同时也保证了人员的安全性。(The invention relates to an experimental device, in particular to a steering condition experimental device of an electronic power steering system. The invention provides a steering condition experimental device of an electronic power steering system, which can meet the requirements of testing on different road surfaces and can clearly see experimental results. A steering condition experimental device of an electronic power steering system comprises an outer cover and a bottom frame, wherein the bottom frame is arranged at the bottom in the outer cover; the upper frame is arranged in the middle of the outer cover and is connected with the bottom frame; the steering mechanism is arranged on one side of the top of the upper frame; the wheels are rotatably arranged at the lower part of the steering mechanism. According to the invention, data of the electronic power-assisted steering system is led into the control module, and the steering mechanism is matched with the rotating mechanism, so that the whole experiment can be carried out indoors, the automobile data does not need to be debugged, the automobile does not need to be driven, the road surfaces under different conditions do not need to be searched, the resource is saved, and meanwhile, the safety of personnel is also ensured.)

1. The utility model provides an electron power assisted steering system's steering situation experimental apparatus which characterized in that, including:

the device comprises an outer cover (1) and a bottom frame (2), wherein the bottom frame (2) is arranged at the bottom in the outer cover (1);

the inner middle part of the outer cover (1) is provided with an upper frame (3);

a steering mechanism (6), wherein the steering mechanism (6) is arranged on one side of the top of the upper frame (3);

the lower part of the steering mechanism (6) is rotatably provided with the wheel (4) used for performing a steering test;

a rotating mechanism (7), wherein the rotating mechanism (7) is arranged between the upper frame (3) and the bottom frame (2);

control box (5), dustcoat (1) upper portion is equipped with control box (5), install switching power supply in control box (5), control module and power module, switching power supply is the power supply of electron power assisted steering system's the condition of turning to experimental apparatus, switching power supply and power module pass through electric connection, there is the power master switch through the line connection on the power module, control module and power module pass through electric connection, the last DS1302 clock circuit and the 24C02 circuit of being connected with of control module.

2. The steering situation experiment apparatus of an electric power steering system according to claim 1, wherein the steering mechanism (6) comprises:

the top of the upper frame (3) is provided with a support frame (61);

the middle of the top of the support frame (61) is provided with a first connecting plate (62);

the connecting pore plate (63) is arranged on one side of the first connecting plate (62);

the stabilizing block (66) is rotatably arranged on one side of the connecting pore plate (63);

the primary connecting rod (69) is connected with the stabilizing block (66) in an inward sliding manner;

the upper part of the primary connecting rod (69) is provided with a large gear (610) in a sliding way;

the lower part of the primary connecting rod (69) is provided with a belt rod square frame (67);

the bottom of the frame with the rod (67) is provided with a lower fixed frame (68), and the wheels (4) are rotatably connected with the lower fixed frame (68);

the fixing plate (64) is arranged on the upper part of the frame (67) with the rod in a sliding way;

the top of the fixing plate (64) is provided with a limiting disc (65), the limiting disc (65) is connected with the connecting hole plate (63) in a sliding manner, and the large gear (610) is fixedly connected with the fixing plate (64);

the first speed reducing motor (612) is mounted at the bottom of the limiting disc (65), and the first speed reducing motor (612) is connected with the control module through a direct current motor positive and negative rotation module;

a pinion (611), the output shaft of the first reduction motor (612) is connected with the pinion (611), and the pinion (611) is meshed with the gearwheel (610);

four first return springs (613) are connected between the fixing plate (64) and the belt rod frame (67), and the first return springs (613) are wound on the belt rod frame (67).

3. The steering situation experiment apparatus of an electric power steering system according to claim 2, wherein the turning mechanism (7) comprises:

the contact switch (71) is arranged at the upper part of the outer cover (1), and the contact switch (71) is electrically connected with the control module;

the top of each second connecting plate (72) is connected with the bottom of the upper frame (3);

the rotating columns (73) are rotatably arranged between the two second connecting plates (72) on one side and between the two second connecting plates (72) on the other side;

the two sides of the top of the bottom frame (2) are respectively provided with a first limiting plate (74), and one side of each of the two first limiting plates (74) is rotatably connected with the rotating column (73) on one side;

the two sides of the top of the bottom frame (2) are respectively provided with a second limiting plate (75), and one side of each of the two second limiting plates (75) is rotatably connected with the rotating column (73) on the other side;

a second top plate (710), wherein the second top plate (710) is arranged between the tops of the two first limiting plates (74);

a third top plate (711), wherein the third top plate (711) is arranged between the lower sides of the two first limiting plates (74);

a first top plate (76) is arranged between the tops of the two second limiting plates (75);

the second speed reducing motor (77) is mounted on one side of the first limiting plate (74) on one side and one side of the second limiting plate (75) on the other side, and the second speed reducing motor (77) is connected with the control module through a direct current motor forward and reverse rotation module;

the first transmission belt (78) is wound between the output shaft of the second speed reducing motor (77) on one side and the middle part of the rotating column (73) on one side and between the output shaft of the second speed reducing motor (77) on the other side and the middle part of the rotating column (73) on the other side through belt pulleys;

the road surface simulation device comprises a flat belt (79), wherein the flat belt (79) which plays a role in simulating a road surface is wound between two rotary columns (73) through belt pulleys, wheels (4), a first top plate (76), a second top plate (710) and a third top plate (711) are all in contact with the flat belt (79), and the first top plate (76) is located right below the wheels (4).

4. The steering condition experiment device of the electric power steering system according to claim 3, further comprising a recording mechanism (8), wherein the recording mechanism (8) comprises:

the limiting round-head columns (81) are arranged on two sides of the top of the supporting frame (61);

a limiting rod frame (82), wherein the limiting rod frame (82) is connected between one side of the two limiting round-head columns (81) and one side of the top of the support frame (61);

the indicating box (83) is arranged, and the indicating box (83) used for observing experimental data is arranged on each of the two sides of the top of the supporting frame (61);

the top block (84) is connected between the stabilizing block (66) and the upper part of the primary connecting rod (69);

the two sides of the top block (84) are provided with the hollow plates (85);

the upper parts of the limiting round-head columns (81) are both provided with connecting round rods (86) in a sliding manner, and the two connecting round rods (86) are respectively connected with the hollow plates (85) on the same side in the longitudinal direction in a sliding manner;

narrow round head plates (87) are arranged on one sides of the connecting round rods (86), and the narrow round head plates (87) are connected with the limiting rod frame (82) in a sliding mode;

the second return springs (88) are connected between the connecting round rod (86) and the limiting round-head column (81);

the limiting round rods (89) are arranged in the indicating boxes (83);

the third return springs (810) are wound on the limiting round rods (89);

third connecting plate (811), all slidingtype are equipped with third connecting plate (811) on spacing round bar (89), and two third connecting plates (811) all are connected with narrow head board (87) that is close to mutually, and third reset spring (810) both ends are connected with indicating box (83) inside and third connecting plate (811) inboard respectively.

5. The steering condition experiment device of the electric power steering system according to claim 4, further comprising a stone spreading mechanism (9), wherein the stone spreading mechanism (9) comprises:

the first distance sensors (91) are arranged on one sides of the narrow round head plates (87), and the first distance sensors (91) are electrically connected with the control module;

the front fixing columns (92) are arranged on the two sides of the top of the upper frame (3);

the front fixing column (92) is positioned on one side of the side fixing rod group (93);

a storage box (94) for storing materials simulating a road surface is arranged between the two groups of side fixing rod groups (93) and the two front fixing columns (92);

the upper part of the storage box (94) is uniformly provided with a plurality of hinges (96);

the rotary mounting plate (95) is connected between one sides of the hinges (96) and used for sealing the object containing box (94), and the rotary mounting plate (95) is positioned at the top of the object containing box (94);

the bottom of the storage box (94) is provided with two first electric push rods (97), and the first electric push rods (97) are connected with the control module through the relay control module;

the second top plate (710) is positioned under the movable inserting plate (98);

the lower part of the storage box (94) is provided with a limit rod group (99), and the limit rod group (99) is connected with the movable inserting plate (98) in a sliding way;

a plurality of fourth return springs (910) are connected between the movable inserting plate (98) and the inner wall of the storage box (94), and the fourth return springs (910) are wound on the limiting rod set (99).

6. The experimental device for the steering condition of the electronic power steering system according to claim 5, further comprising a glue coating mechanism (10), wherein the glue coating mechanism (10) comprises:

the middle part of the movable plug board (98) is provided with a second distance sensor (101), and the second distance sensor (101) is electrically connected with the control module;

the connecting rod groups (104) are arranged on both sides of the upper frame (3);

the upper frame (3) is symmetrically provided with special-shaped connecting rods (105);

the liquid containing square box (106) is connected between the two groups of connecting rod groups (104) and the special-shaped connecting rod (105) and is used for containing glue;

the bottom of the liquid containing square box (106) is connected with a slide way (107) for glue circulation, and one side of the bottom of the liquid containing square box (106) is provided with a square opening matched with the slide way (107);

a first moving plate (108), wherein the first moving plate (108) is arranged on one side of the top of the liquid containing square box (106) in a sliding manner;

a second moving plate (109) is arranged on the other side of the top of the liquid containing square box (106) in a sliding manner;

the lower part of the slideway (107) is rotatably provided with a smearing round rod (1010), and the smearing round rod (1010) is contacted with the flat belt (79);

the induction block (102) is arranged on one side of the slide way (107);

the third speed reducing motor (103) is installed on one side of the slide way (107), and the third speed reducing motor (103) is connected with the control module through a direct current motor forward and reverse rotation module;

a rotating plate (1012) is rotatably arranged on one side of the slideway (107), and the rotating plate (1012) is positioned in the front upper part of the smearing round rod (1010);

and a second transmission belt (1011) is wound between one side of the rotating plate (1012) and the output shaft of the third speed reducing motor (103) through a belt pulley.

7. The steering condition experiment device of the electric power steering system according to claim 6, further comprising a removing mechanism (11), wherein the removing mechanism (11) comprises:

the water flow sensor (111) is arranged on one side of the slide way (107), and the water flow sensor (111) is electrically connected with the control module;

a fixed flat plate (112), wherein the fixed flat plate (112) is arranged inside one side of the bottom frame (2);

the two sides of the top of the fixed flat plate (112) are provided with the limiting square rod frame (113);

the second electric push rod (114) is installed on one side of the top of the fixed flat plate (112), and the second electric push rod (114) is connected with the control module through the relay control module;

the connecting bracket is connected with a bull horn block (115), the connecting bull horn block (115) is connected between the two limiting square rod frames (113) in a sliding mode, and a telescopic rod of the second electric push rod (114) is connected with the connecting bull horn block (115);

the movable connecting rod (117) is rotatably arranged on both sides of the bull horn block (115);

the rotary sharp plate (116) used for scraping materials is rotatably arranged between the two movable connecting rods (117), and one side of the rotary sharp plate (116) is positioned right below the third top plate (711).

8. The device for testing the steering condition of an electric power steering system according to claim 4, wherein the connecting rod (86) is retractable on the side near the limit button (81), and the second return spring (88) is wound around the retractable portion on the side of the connecting rod (86).

Technical Field

The invention relates to an experimental device, in particular to a steering condition experimental device of an electronic power steering system.

Background

In the early automobiles, a driver is very laboriously required to steer by operating an automobile steering wheel, in recent years, the technology for steering by operating the automobile steering wheel by the driver is greatly improved, so that the driver can easily and stably steer when driving the automobile, people generally test by improving data of an electronic power steering system, generally, people try the data in the automobile, detect whether the data is qualified or not by the steering difficulty degree of driving the automobile on different road surfaces, and when the proper data is tested, the power steering system is shown to be in accordance with the standard; the test range comprises steering at the same angle on different road surfaces, whether the data can reach the steering angle is observed, if the data can reach the steering angle, the data of the steering system is good, if the data can not reach the corresponding angle, the data of the steering system needs to be improved, the behavior of directly applying the data to the automobile has certain danger for a driver, resources are wasted, meanwhile, the driving of the automobile to search for different road surfaces is troublesome, and the statistics of artificial driving test results are unclear and have errors.

Therefore, aiming at the situation of the test of the conventional electronic power steering system, the steering situation experiment device of the electronic power steering system, which can meet the requirement of testing on different road surfaces and can clearly see the experiment result, is designed.

Disclosure of Invention

In order to overcome the defects that the data of a steering system is directly applied to an automobile, which has certain danger and wastes resources for a driver, and the steering test of the manually driven automobile is troublesome and has the defects of unclear test result statistics and errors, the technical problems to be solved are as follows: the steering condition experimental device of the electronic power steering system can meet the requirement of testing on different road surfaces and can clearly see experimental results.

The technical scheme is as follows: a steering condition experimental device of an electronic power steering system comprises:

the bottom frame is arranged at the bottom in the outer cover;

the upper frame is arranged in the middle of the outer cover;

the steering mechanism is arranged on one side of the top of the upper frame;

the lower part of the steering mechanism is rotatably provided with wheels for steering test;

the rotating mechanism is arranged between the upper frame and the bottom frame;

the control box, dustcoat upper portion is equipped with the control box, install switching power supply, control module and power module in the control box, switching power supply is the power supply of electron power assisted steering system's the condition of turning to experimental apparatus, switching power supply and power module pass through electric connection, there is the power master switch through line connection on the power module, control module and power module pass through electric connection, the last DS1302 clock circuit and the 24C02 circuit of being connected with of control module.

Preferably, the steering mechanism includes:

the top of the upper frame is provided with a support frame;

the middle of the top of the support frame is provided with a first connecting plate;

the connecting pore plate is arranged on one side of the first connecting plate;

the stabilizing block is rotatably arranged on one side of the connecting pore plate;

the primary connecting rod is connected in the stabilizing block in a sliding manner;

the upper part of the primary connecting rod is provided with a large gear in a sliding manner;

the lower part of the primary connecting rod is provided with a belt rod square frame;

the bottom of the square frame with the rod is provided with a lower fixed frame, and the wheels are rotatably connected with the lower fixed frame;

the upper part of the square frame with the rod is provided with a fixed plate in a sliding way;

the top of the fixed plate is provided with a limiting plate, the limiting plate is connected with the connecting pore plate in a sliding manner, and the large gear is fixedly connected with the fixed plate;

the bottom of the limiting disc is provided with a first speed reducing motor, and the first speed reducing motor is connected with the control module through a direct current motor forward and reverse rotation module;

the output shaft of the first speed reducing motor is connected with a pinion which is meshed with the bull gear;

four first return springs are connected between the fixing plate and the square frame with the rods, and the first return springs are wound on the square frame with the rods.

Preferably, the rotating mechanism includes:

the contact switch is arranged on the upper part of the outer cover and is electrically connected with the control module;

the top parts of the four second connecting plates are connected with the bottom part of the upper frame;

the rotating columns are rotatably arranged between the two second connecting plates on one side and between the two second connecting plates on the other side;

the two sides of the top of the bottom frame are respectively provided with a first limiting plate, and one side of each of the two first limiting plates is rotatably connected with the rotating column on one side;

the two sides of the top of the bottom frame are respectively provided with a second limiting plate, and one side of each of the two second limiting plates is rotatably connected with the rotating column on the other side;

a second top plate is arranged between the tops of the two first limiting plates;

a third top plate is arranged between the lower sides of the two first limiting plates;

a first top plate is arranged between the tops of the two second limiting plates;

the second speed reducing motor is arranged on one side of the first limiting plate on one side and one side of the second limiting plate on the other side, and the second speed reducing motor is connected with the control module through a direct current motor forward and reverse rotation module;

the first transmission belts are wound between the output shaft of the second speed reducing motor on one side and the middle part of the rotary column on one side and between the output shaft of the second speed reducing motor on the other side and the middle part of the rotary column on the other side through belt pulleys;

the flat belt of having played the simulation road surface effect is around having through the belt pulley between two column spinner, and wheel, first roof, second roof and third roof all contact with the flat belt, and first roof is located under the wheel.

Preferably, the recording apparatus further comprises a recording mechanism, the recording mechanism comprising:

the two sides of the top of the support frame are provided with the limiting round-head columns;

the limiting rod frame is connected between one side of the two limiting round-head columns and one side of the top of the supporting frame;

the two sides of the top of the support frame are provided with indicating boxes for observing experimental data;

the top block is connected between the stabilizing block and the upper part of the primary connecting rod;

the two sides of the top block are provided with the hollow plates;

the upper parts of the limiting round-head columns are both provided with connecting round rods in a sliding manner, and the two connecting round rods are respectively connected with the hollow plates on the same longitudinal side in a sliding manner;

the narrow round head plates are arranged on one sides of the connecting round rods and are connected with the limiting rod frame in a sliding manner;

the second return springs are connected between the connecting round rod and the limiting round-head column;

the limiting round rods are arranged in the indicating boxes;

the third return springs are wound on the limiting round rods;

and the third connecting plates are arranged on the limiting round rods in a sliding manner, the two third connecting plates are connected with the narrow round head plates close to each other, and two ends of a third reset spring are respectively connected with the inner side of the indicating box and the inner side of the third connecting plate.

Preferably, the stone spreading machine further comprises a stone spreading mechanism, wherein the stone spreading mechanism comprises:

the first distance sensor is arranged on one side of the narrow round head plate and electrically connected with the control module;

the front fixing columns are arranged on two sides of the top of the upper frame;

the two sides of the top of the upper frame are provided with the side fixing rod groups, and the front fixing column is positioned on one side of the side fixing rod groups;

the object containing box is arranged between the two groups of side fixing rod groups and the two front fixing columns and used for containing materials simulating the road surface;

the upper part of the storage box is uniformly provided with a plurality of hinges;

the rotary mounting plate is connected between one sides of the hinges and used for sealing the storage box, and the rotary mounting plate is positioned at the top of the storage box;

the bottom of the storage box is provided with two first electric push rods, and the first electric push rods are connected with the control module through the relay control module;

a movable inserting plate for blocking blanking is arranged between one sides of the telescopic rods of the two first electric push rods, and the second top plate is positioned right below the movable inserting plate;

the lower part of the storage box is provided with a limiting rod group, and the limiting rod group is connected with the movable inserting plate in a sliding manner;

and a plurality of fourth reset springs are connected between the movable inserting plate and the inner wall of the storage box, and the fourth reset springs are wound on the limiting rod set.

Preferably, still including rubber coating mechanism, rubber coating mechanism is including:

the middle part of the movable plug board is provided with a second distance sensor which is electrically connected with the control module;

the two sides of the upper frame are provided with the connecting rod groups;

the upper frame is symmetrically provided with special-shaped connecting rods;

the liquid containing square box is connected between the two groups of connecting rod groups and the special-shaped connecting rods and is used for containing glue;

the bottom of the liquid containing square box is connected with a slideway for glue circulation, and one side of the bottom of the liquid containing square box is provided with a square opening matched with the slideway;

the first moving plate is arranged on one side of the top of the liquid containing square box in a sliding mode;

the second moving plate is arranged on the other side of the top of the liquid containing square box in a sliding mode;

the lower part of the slideway is rotatably provided with a smearing round rod which is contacted with the flat belt;

the induction block is arranged on one side of the slideway;

the third speed reducing motor is arranged on one side of the slideway and is connected with the control module through a direct current motor forward and reverse rotation module;

the rotating plate is rotatably arranged on one side of the slideway and is positioned in the front upper part of the smearing round rod;

and a second transmission belt is wound between one side of the rotating plate and the output shaft of the third speed reducing motor through a belt pulley.

Preferably, the device further comprises a removing mechanism, wherein the removing mechanism comprises:

one side of the slideway is provided with a water flow sensor which is electrically connected with the control module;

the fixing flat plate is arranged inside one side of the bottom frame;

the two sides of the top of the fixed flat plate are provided with the limiting square rod frames;

the second electric push rod is arranged on one side of the top of the fixed flat plate and is connected with the control module through the relay control module;

the connecting horn block is connected, the connecting horn block is connected between the two limiting square rod frames in a sliding manner, and the telescopic rod of the second electric push rod is connected with the connecting horn block;

the movable connecting rods are rotatably arranged on two sides of the connecting horn block;

the rotary sharp plate is rotationally arranged between the two movable connecting rods and used for scraping materials, and one side of the rotary sharp plate is located under the third top plate.

Preferably, the connecting round rod is telescopic at one side close to the limiting round head column, and the second return spring is wound on the telescopic part at one side of the connecting round rod.

The beneficial effects are that: 1. according to the invention, data of the electronic power-assisted steering system is led into the control module, and the steering mechanism is matched with the rotating mechanism, so that the whole experiment can be carried out indoors, the automobile data does not need to be debugged, the automobile does not need to be driven, the road surfaces under different conditions do not need to be searched, the resources are saved, and meanwhile, the safety of personnel is also ensured;

2. the top block and the hollow plate are matched with the connecting round rod, so that the narrow round head plate can move adaptively, the third connecting plate is driven to move, people can determine the rotation experiment result of the steering system by recording the moving distance of the third connecting plate in the indicating box, and the result is more accurate and more definite than the result of manually measuring the angle;

3. the stone spreading and glue spreading are matched, so that not only can a stone pavement be simulated, but also a mountain pavement can be simulated, and different data of a steering condition experiment of the electronic steering power-assisted system under various environments can be conveniently obtained;

4. the rotary sharp plate can scrape the adhered small stones and glue after the experiment is finished, the situation that the glue on the flat belt adheres the small stones to influence the subsequent experiment process is prevented, and the accuracy of the test result is guaranteed.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the present invention with the outer cover removed.

Fig. 3 is a schematic perspective view of the steering mechanism of the present invention.

Fig. 4 is a schematic sectional perspective view of the steering mechanism of the present invention.

Fig. 5 is a schematic perspective view of the rotating mechanism of the present invention.

Fig. 6 is a partial perspective view of the rotating mechanism of the present invention.

Fig. 7 is a schematic perspective view of the present invention at a.

Fig. 8 is a schematic perspective view of a recording mechanism according to the present invention.

Fig. 9 is a schematic perspective view of the present invention at B.

Fig. 10 is a schematic perspective view of the present invention at C.

Fig. 11 is a schematic perspective view of the stone spreader of the present invention.

Fig. 12 is a schematic perspective view of the present invention at D.

Fig. 13 is a schematic perspective view of the glue application mechanism of the present invention.

Fig. 14 is a partial perspective view of the glue application mechanism of the present invention.

Fig. 15 is a schematic perspective view of a first embodiment of the removing mechanism of the present invention.

Fig. 16 is a schematic perspective view of a second embodiment of the removal mechanism of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

Description of reference numerals: 1_ housing, 2_ bottom frame, 3_ top frame, 4_ wheels, 5_ control box, 6_ steering mechanism, 61_ support frame, 62_ first connecting plate, 63_ connection hole plate, 64_ fixed plate, 65_ spacing plate, 66_ stable block, 67_ belt rod box, 68_ bottom fixed frame, 69_ primary connecting rod, 610_ large gear, 611_ small gear, 612_ first speed reduction motor, 613_ first return spring, 7_ rotating mechanism, 71_ contact switch, 72_ second connecting plate, 73_ rotation column, 74_ first spacing plate, 75_ second spacing plate, 76_ first top plate, 77_ second speed reduction motor, 78_ first transmission belt, 79_ flat belt, 710_ second top plate, 711_ third top plate, 8_ recording mechanism, 81_ spacing round post, 82_ spacing rod frame, 83_ indication box, 84_ top block, 85_ hollow plate, 86_ connection round rod, 87_ narrow circular head plate, 88_ second return spring, 89_ limit circular rod, 810_ third return spring, 811_ third connecting plate, 9_ stone spreader, 91_ first distance sensor, 92_ front fixed column, 93_ side fixed rod group, 94_ storage box, 95_ screwing plate, 96_ hinge, 97_ first electric push rod, 98_ mobile insertion plate, 99_ limit rod group, 910_ fourth return spring, 10_ glue spreader, 101_ second distance sensor, 102_ sensing block, 103_ third reduction motor, 104_ connecting rod group, 105_ profile connecting rod, 106_ liquid storage square box, 107_ slide, 108_ first moving plate, 109_ second moving plate, 1010_ paint circular rod, 1011_ second drive belt, 1012_ rotating plate, 11_ removal mechanism, 111_ water flow sensor, 112_ fixed flat plate, 113_ limit square rod frame, 114_ second electric push rod, 115_ connecting bullhorn block, 116_ rotating tip plate, 117_ movable connecting rod.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

A steering condition experimental device of an electronic power steering system is disclosed, as shown in figures 1-18, comprising an outer cover 1, a bottom frame 2, an upper frame 3, wheels 4, a control box 5, a steering mechanism 6 and a rotating mechanism 7, wherein the bottom frame 2 is arranged at the bottom in the outer cover 1, the upper frame 3 is arranged at the middle part in the outer cover 1, the upper frame 3 is connected with the bottom frame 2, the steering mechanism 6 is arranged at the rear side of the top of the upper frame 3, the wheels 4 are rotatably arranged at the lower part of the front side of the steering mechanism 6, the rotating mechanism 7 is arranged between the upper frame 3 and the bottom frame 2, the wheels 4 roll on the rotating mechanism 7, the control box 5 is arranged at the upper right part of the front side of the outer cover 1, a switching power supply, a control module and a power supply module are arranged in the control box 5, the switching power supply supplies power for the steering condition experimental device of the electronic power steering system, the switching power supply is electrically connected with the power supply module, a power supply main switch is connected with the power supply main switch through a line, the control module is electrically connected with the power supply module, and a DS1302 clock circuit and a 24C02 circuit are connected to the control module.

The steering mechanism 6 comprises a supporting frame 61, a first connecting plate 62, a connecting hole plate 63, a fixing plate 64, a limiting plate 65, a stabilizing block 66, a frame 67 with a rod, a lower fixing frame 68, a primary connecting rod 69, a large gear 610, a small gear 611, a first speed reducing motor 612 and a first return spring 613, wherein the supporting frame 61 is arranged on the rear side of the top of the upper frame 3, the first connecting plate 62 is arranged in the middle of the top of the supporting frame 61, the connecting hole plate 63 is arranged on the front side of the first connecting plate 62, a hole is formed in the middle of the front side of the connecting hole plate 63, the stabilizing block 66 is rotatably arranged on the front side of the connecting hole plate 63, the primary connecting rod 69 is connected in an inner sliding manner, the large gear 610 is rotatably arranged on the upper portion of the primary connecting rod 69, the frame 67 with the rod is arranged on the lower portion of the primary connecting rod 69, the lower fixing frame 68 is arranged on the bottom of the frame 67 with the rod, the wheel 4 is connected with the lower fixing frame 68 in a rotating manner, the fixing plate 64 is rotatably arranged on the upper portion of the frame 67 with the rod, the top of the fixing plate 64 is provided with a limiting disc 65, the limiting disc 65 is connected with the connecting hole plate 63 in a sliding manner, the large gear 610 is fixedly connected with the fixing plate 64, the right side of the bottom of the limiting disc 65 is provided with a first speed reducing motor 612, the first speed reducing motor 612 is connected with the control module through a direct current motor forward and backward rotation module, an output shaft of the first speed reducing motor 612 is connected with a small gear 611, the small gear 611 is meshed with the large gear 610, four first return springs 613 are connected between the fixing plate 64 and the belt rod frame 67, and the first return springs 613 are all wound on the belt rod frame 67.

The rotating mechanism 7 comprises a contact switch 71, a second connecting plate 72, a rotating column 73, a first limiting plate 74, a second limiting plate 75, a first top plate 76, a second reducing motor 77, a first transmission belt 78, a flat belt 79, a second top plate 710 and a third top plate 711, the contact switch 71 is arranged on the upper portion of the left front side of the outer cover 1, the contact switch 71 is electrically connected with the control module, the second connecting plates 72 are symmetrically arranged on the front and back sides of the bottom frame 2, the tops of the four second connecting plates 72 are connected with the bottom of the upper frame 3, the rotating columns 73 are rotatably arranged between the two second connecting plates 72 on the front side and between the two second connecting plates 72 on the back side, the first limiting plates 74 are arranged on the left and right portions of the front side of the top of the bottom frame 2, the front sides of the two first limiting plates 74 are rotatably connected with the rotating columns 73 on the front side, the left and right portions of the back side of the top of the bottom frame 2 are provided with the second limiting plates 75, the rear sides of the two second limit plates 75 are rotatably connected with the rotating columns 73 at the rear sides, a second top plate 710 is arranged between the tops of the two first limit plates 74, a third top plate 711 is arranged between the lower sides of the two first limit plates 74, a first top plate 76 is arranged between the tops of the two second limit plates 75, second speed reducing motors 77 are arranged in the middle parts of the right front parts of the left first limit plates 74 and the left sides of the second limit plates 75 at the right sides, the second speed reducing motors 77 are connected with the control module through direct current motor forward and reverse rotation modules, first transmission belts 78 are wound between the output shafts of the second speed reducing motors 77 at the front sides and the middle parts of the rotating columns 73 at the rear sides through belt pulleys, flat belts 79 are wound between the two rotating columns 73 through belt pulleys, the wheels 4, the first top plates 76, the second top plates 710 and the third top plates 711 are all in contact with the flat belts 79, the first top plate 76 is located directly below the wheels 4.

When people need to test the steering condition of the electronic power-assisted steering system, firstly, a power main switch is pressed down, the device is electrified, the time for rotating the first speed reducing motor 612 by a fixed angle is set by the control module, then, people press the contact switch 71, the control module controls the two second speed reducing motors 77 to be started, the output shafts of the two second speed reducing motors 77 drive the first transmission belt 78 to rotate, so as to drive the two rotary columns 73 to rotate, so that the flat belt 79 rotates, the flat belt 79 rotates to drive the wheels 4 to rotate, people can arrange various obstacles on the flat belt 79 to meet the test requirements of the electronic power-assisted steering system on different pavements, then, people start the first speed reducing motor 612, the output shaft of the first speed reducing motor 612 rotates to a set angle, and the rotating time of the output shaft of the first speed reducing motor 612 is consistent with the set time, the output shaft of the first speed reducing motor 612 rotates to drive the pinion gear 611 to rotate, the gearwheel 610 is meshed with the pinion gear 611 to drive the gearwheel 610 to rotate, so that the primary connecting rod 69 drives the stabilizing block 66, the belt rod frame 67 and the wheel 4 to rotate, and therefore the fixing plate 64 and the limiting disc 65 to rotate, because the flat belt 79 is provided with an obstacle, when the wheel 4 moves onto the obstacle, the wheel 4 moves upwards, so that the whole belt rod frame 67 moves upwards, and therefore the fixing plate 64 and the limiting disc 65 move upwards, because the moving distance of the fixing plate 64 and the limiting disc 65 is limited by the connecting hole plate 63, when the fixing plate 64 and the limiting disc 65 cannot move, the belt rod frame 67 can still move upwards, so that the first return spring 613 is compressed, when the wheel 4 moves onto the flat ground, the first return spring 613 returns, so that the belt rod frame 67 moves downwards and returns, the wheel 4 can resume the normal position, the fixed plate 64 and the spacing disc 65 also reset simultaneously, and in the process that the first gear motor 612 drives the wheel 4 to rotate, because the barrier restriction, the wheel 4 can not rotate to the predetermined angle in the scheduled time, after the experiment is completed, people measure the rotation angle of the record wheel 4, and compare with the rotation angle that has set for, can obtain the experimental data, people press the contact switch 71 once more, make the output shaft of first gear motor 612 and the output shaft of second gear motor 77 all stop moving, clear away the barrier on the flat belt 79 simultaneously, and start first gear motor 612, make the output shaft of first gear motor 612 rotate backward and close after resetting, the experiment stops, people press the power master switch once more, it can with this device outage.

The recording mechanism 8 comprises a limiting round-head column 81, a limiting rod frame 82, an indicating box 83, a top block 84, a hollow plate 85, a connecting round rod 86, a narrow round-head plate 87, a second reset spring 88, a limiting round rod 89, a third reset spring 810 and a third connecting plate 811, wherein the limiting round-head column 81 is arranged on the left and right parts of the front side of the top of the supporting frame 61, the limiting rod frame 82 is connected between the rear sides of the two limiting round-head columns 81 and the rear side of the top of the supporting frame 61, the indicating box 83 is arranged on the left and right parts of the rear side of the top of the supporting frame 61, the top block 84 is connected between the stabilizing block 66 and the upper part of the front side of the primary connecting rod 69, the hollow plates 85 are arranged on the left and right sides of the top block 84, the connecting round-head column 81 is provided with the connecting round rod 86 in a sliding manner, the two connecting round rods 86 are respectively connected with the hollow plates 85 on the same longitudinal side in a sliding manner, the rear sides of the connecting round-head rods 86 are provided with the narrow round-head plates 87, narrow round head board 87 all with stop lever frame 82 sliding connection, it is scalable to connect round bar 86 rear side, it all is connected with second reset spring 88 to connect between round bar 86 and the spacing button head post 81, second reset spring 88 is around connecting the telescopic part in round bar 86 rear side, all be equipped with spacing round bar 89 in the instruction box 83, all around having third reset spring 810 on the spacing round bar 89, it is equipped with third connecting plate 811 all to slide on the spacing round bar 89, two third connecting plates 811 all are connected with the narrow round head board 87 that is close to mutually, third reset spring 810 both ends are connected with inside and the third connecting plate 811 inboard of instruction box 83 respectively.

In order to facilitate the clear acquisition of experimental data, the connecting rod 86 is compressed to the shortest length in the initial state, to obtain more obvious experimental data, as the stabilizing block 66 rotates, the top block 84 is driven to rotate, thereby driving the two hollow plates 85 to rotate, the left connecting round bar 86 is stretched, the left second return spring 88 is stretched, the right connecting round bar 86 is pushed to move backwards, the right second return spring 88 is compressed, the right connecting round bar 86 moves backwards to drive the right narrow round head plate 87 to move backwards on the limit rod frame 82, so that the right third connecting plate 811 moves backwards in the indicator box 83, the right third return spring 810 is compressed, and the left third return spring 810 is not moved, one can clarify the data of the turning of the steering system by recording the distance the right third connecting plate 811 moves in the indicator box 83; when the stabilizing block 66 rotates reversely, the top block 84 is driven to rotate reversely, so that the two hollow plates 85 are driven to rotate reversely, the connecting round rod 86 on the right side is stretched, the second return spring 88 on the right side is stretched, the connecting round rod 86 on the left side is pushed to move backwards, the second return spring 88 on the left side is compressed, the connecting round rod 86 on the left side moves backwards to drive the narrow round head plate 87 on the left side to move backwards on the limit rod frame 82, so that the third connecting plate 811 on the left side moves backwards in the indication box 83, the third return spring 810 on the left side is compressed, and at the moment, the third return spring 810 on the right side returns to the initial state, and people can determine the data of the rotation of the steering system again by recording the moving distance of the third connecting plate 811 on the left side in the indication box 83; after the experiment, when the stabilizing block 66 is restored to the initial state, the second return spring 88 drives the connecting rod 86 to be restored to the initial state, and meanwhile, the third return spring 810, the third connecting plate 811 and the narrow round head plate 87 are also restored to the initial state.

The stone spreading mechanism comprises a stone spreading mechanism 9, the stone spreading mechanism 9 comprises a first distance sensor 91, a front fixed column 92, a side fixed rod group 93, a storage box 94, a rotary mounting plate 95, hinges 96, a first electric push rod 97, a movable inserting plate 98, a limiting rod group 99 and a fourth return spring 910, the first distance sensor 91 is arranged on the rear side of the narrow round head plate 87, the first distance sensor 91 is electrically connected with a control module, the front fixed column 92 is arranged on the left and right sides of the front side of the top of the upper frame 3, the side fixed rod group 93 is arranged on the left and right sides of the front side of the top of the upper frame 3, the front fixed column 92 is positioned on the rear side of the side fixed rod group 93, the storage boxes 94 are arranged between the two side fixed rod groups 93 and the two front fixed columns 92, a plurality of hinges 96 are uniformly arranged on the upper portion of the front side of the storage box 94, the rotary mounting plate 95 is connected between the rear sides of the plurality of hinges 96, the rotary mounting plate 95 is positioned on the top of the storage box 94, the bottom of the storage box 94 is provided with two first electric push rods 97, the first electric push rods 97 are connected with the control module through the relay control module, a movable insertion plate 98 is arranged between the rear sides of the telescopic rods of the two first electric push rods 97, the second top plate 710 is located under the movable insertion plate 98, a limiting rod group 99 is arranged on the rear side of the lower portion of the storage box 94, the limiting rod group 99 is connected with the movable insertion plate 98 in a sliding mode, a plurality of fourth reset springs 910 are connected between the movable insertion plate 98 and the inner wall of the storage box 94, and the fourth reset springs 910 are wound on the limiting rod group 99.

In order to obtain different data of a steering condition experiment of the electronic steering power-assisted system under various environments, people can open the screwing plate 95, pour small stones into the containing box 94, cover the screwing plate 95 after the containing box 94 is filled, when the stabilizing block 66 rotates, the narrow round head plate 87 on the right carries the first distance sensor 91 on the right to move backwards, the first distance sensor 91 on the right senses that the distance between the first distance sensor and the limiting rod frame 82 reaches a preset value, the control module controls the telescopic rod of the first electric push rod 97 to contract, so that the movable inserting plate 98 moves forwards, the fourth reset spring 910 is stretched, at the moment, the movable inserting plate 98 does not block the outlet of the containing box 94, the small stones fall from the outlet of the containing box 94 to a position above the second top plate 710 on the flat belt 79, the second top plate 710 can prevent the stones from falling to influence the movement of the flat belt 79, and therefore the steering condition of the electronic steering system on a road surface with the stones can be met, when the stabilizing block 66 rotates reversely gradually, the first distance sensor 91 on the right side senses that the distance between the first distance sensor and the limiting rod frame 82 is greater than the preset value, at this time, the control module controls the extension of the telescopic rod of the first electric push rod 97, the movable inserting plate 98 moves backwards to cover the outlet of the storage box 94, the fourth return spring 910 resets, when the stabilizing block 66 rotates reversely, the left narrow round head plate 87 drives the left first distance sensor 91 to move backwards, and at the moment, the left first distance sensor 91 senses that the distance between the left first distance sensor 91 and the limiting rod frame 82 reaches a preset value, the control module controls the telescopic rod of the first electric push rod 97 to contract, the movable insert plate 98 is moved forward, the fourth return spring 910 is stretched, at this time, the movable insert plate 98 no longer blocks the outlet of the storage box 94, small stones fall from the outlet of the storage box 94 onto the flat belt 79, therefore, the experiment of the steering condition that the electronic steering system turns to the left on the road surface with stones is met.

The glue coating device further comprises a glue coating mechanism 10, wherein the glue coating mechanism 10 comprises a second distance sensor 101, an induction block 102, a third speed reduction motor 103, a connecting rod group 104, a special-shaped connecting rod 105, a liquid containing square box 106, a slide way 107, a first moving plate 108, a second moving plate 109, a coating round rod 1010, a second transmission belt 1011 and a rotating plate 1012, the second distance sensor 101 is arranged in the middle of the front side of the movable plug-in board 98, the second distance sensor 101 is electrically connected with the control module, the connecting rod groups 104 are arranged on the left side and the right side of the front part of the upper frame 3, the special-shaped connecting rods 105 are symmetrically arranged on the left side and the right side of the front side of the upper frame 3, the liquid containing square box 106 is connected between the two connecting rod groups 104 and the special-shaped connecting rods 105, the slide way 107 is connected to the front side of the bottom of the liquid containing square box 106, a square opening matched with the slide way 107 is formed in the front side of the bottom of the liquid containing square box 106, the first moving plate 108 is movably arranged on the front side of the top of the liquid containing square box 106, the second moving plate 109 is movably arranged on the back side of the top of the liquid containing square box 106, the rotary type of slide 107 rear side lower part is equipped with scribbles round bar 1010, scribble round bar 1010 and flat belt 79 contact, slide 107 rear side left part is equipped with induction block 102, induction block 102 is located same water flat line with second distance sensor 101, slide 107 left side rear portion is installed third gear motor 103, third gear motor 103 passes through direct current motor with control module and just reverses the module and is connected, slide 107 rear side rotary type is equipped with rotor plate 1012, rotor plate 1012 is located scribble round bar 1010 front upper place, around there being second drive belt 1011 through the belt pulley between rotor plate 1012 left side and the output shaft of third gear motor 103.

In order to set actual conditions of different stages for a road surface, a user can move the first moving plate 108 and the second moving plate 109, then pour glue into the liquid containing square box 106, move the first moving plate 108 and the second moving plate 109 again after the glue is fully poured, close the liquid containing square box 106, move the inserting plate 98 forward to drive the second distance sensor 101 to move forward, when the second distance sensor 101 senses that the distance between the second distance sensor 101 and the sensing block 102 reaches a preset value, the control module controls the output shaft of the third speed reducing motor 103 to rotate 180 degrees and then stop rotating, the output shaft of the third speed reducing motor 103 rotates to drive the second transmission belt 1011 to rotate, and further drives the rotating plate 1012 to rotate, so that the rotating plate 1012 does not block the slide way 107 any more, at the moment, the glue slides down to the position of the smearing round rod 1010 from the slide way 107, and the smearing round rod 1010 rotates due to the fact that the flat belt 79 continuously moves to be in contact with the smearing round rod 1010, thereby paint glue on flat belt 79, make the follow-up trails that drop on the flat belt 79 that has glue, the road surface in simulation mountain region, when removing picture peg 98 backward movement and reseing, can drive second distance sensor 101 rearward movement, make second distance sensor 101 sense and the distance between the response piece 102 be greater than the default, control module control third gear motor 103 output shaft counter-rotation 180 back stall, the output shaft counter-rotation of third gear motor 103 drives second drive belt 1011 counter-rotation, and then drive rotor plate 1012 counter-rotation, make rotor plate 1012 block up slide 107, glue is no longer followed slide 107 internal slipping to the position of paining round bar 1010 at this moment.

The device also comprises a removing mechanism 11, the removing mechanism 11 comprises a water flow sensor 111, a fixed flat plate 112, a limit square rod frame 113, a second electric push rod 114, a connecting horn block 115, a rotary sharp plate 116 and a movable connecting rod 117, the water flow sensor 111 is arranged at the rear part of the right side of the slide way 107, the water flow sensor 111 is electrically connected with a control module, the fixed flat plate 112 is arranged inside the front side of the bottom frame 2, the limit square rod frames 113 are arranged at the left and right sides of the top of the fixed flat plate 112, the second electric push rod 114 is arranged at the front side of the top of the fixed flat plate 112, the second electric push rod 114 is connected with the control module through a relay control module, the horn block 115 is connected between the two limit square rod frames 113 in a sliding manner, the telescopic rod of the second electric push rod 114 is connected with the connecting horn block 115, the movable connecting rod 117 is arranged at the left and right sides of the connecting horn block 115 in a rotating manner, the rotary sharp plate 116 is arranged between the two movable connecting rods 117 in a rotating manner, the rear side of the rotating tip plate 116 is located directly below the third top plate 711.

In order to prevent the glue on the flat belt 79 from adhering small stones to affect the subsequent experimental process, when the glue slides from the slide way 107 to the position of the coating round bar 1010, and the water flow sensor 111 senses the glue flow, the control module controls the telescopic rod of the second electric push rod 114 to shorten for one second and then stop moving, so that the telescopic rod of the second electric push rod 114 drives the connecting bull horn block 115 to move forward, thereby driving the rotating sharp plate 116 to move upward through the movable connecting rod 117 and cling to the lower side of the flat belt 79, meanwhile, because the third top plate 711 is positioned on the upper side of the rotating sharp plate 116 and also cling to the flat belt 79, under the cooperation of the third top plate 711, the rotating sharp plate 116 can scrape off the small stones and the glue which are adhered after the experiment is finished, when the glue does not slide from the slide way 107 to the position of the coating round bar 1010 any more, the water flow sensor 111 cannot sense the glue flow, the control module controls the telescopic rod of the second electric push rod 114 to extend for one second, so that the telescopic rod of the second electric push rod 114 drives the connecting horn block 115 to move backwards, thereby driving the rear side of the rotating sharp plate 116 to move downwards through the movable connecting rod 117, so that the rotating sharp plate 116 is separated from the lower side of the flat belt 79.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.