Electronic throttle fatigue test equipment

Abstract

The present invention discloses an electronic throttle fatigue test device, which specifically relates to the technical field of electronic throttle testing, including a test machine, a monitor is installed on the top of the test machine, a throttle mounting mechanism is installed on one side of the test machine, and a plurality of electronic throttle bodies are detachably fixedly mounted on the throttle mounting mechanism. The present invention uses an eccentric wheel group to test a plurality of electronic throttle bodies. In addition to applying a downward pressure action on the electronic throttle body by the outer circle of the eccentric wheel group, a sliding action is also superimposed synchronously. The advantage is that the force is varied and there is a certain lateral force component, and the test effect will be more sufficient. The adjustment unit can actively adapt to the electronic throttle body with different downward pressure without replacing the eccentric wheel group to complete the test. When the eccentric wheel group completes the eccentric distance adjustment, the counterweight can follow the offset of the eccentric wheel group to complete the follow-up adjustment, so that the eccentric wheel group obtains a balanced state, ensuring the stability of the test work.

Description

Technical Field

[0001] The invention relates to the technical field of electronic throttle testing, in particular to electronic throttle fatigue testing equipment. Background Art

[0002] According to the standard QC / T977-2014 "Technical Requirements for Automotive Electronic Accelerator Pedal Assembly", the electronic accelerator pedal should be no less than 14X10 5 Durability test, the agricultural machinery industry requires no less than 1X10 under normal temperature conditions 7 The method is to fix the accelerator pedal according to the installation method of the actual vehicle, and according to the force application point specified by the user, make the pedal move from the idle position to the full stroke position once, and conduct continuous durability test at the rate of 30 times / min-120 times / min under the test voltage;

[0003] Continuous durability test is also called fatigue test. Many manufacturers often use reciprocating linear motion mechanism or reciprocating circular motion mechanism to act on the pedal. The advantages are simple structure and convenient control, but the disadvantages are that the force is applied too uniformly and in a single direction. It cannot fully simulate the force application mode of the driver and passengers on the pedal. Therefore, the test is too theoretical and such a test is insufficient.

[0004] A car accelerator pedal durability testing machine is disclosed in the patent application with reference publication number CN101216377B. The power part of the testing machine drives the main rotating shaft to rotate through the output shaft of the reduction box. The step angle of the main rotating shaft is 0.18°, and then drives the slave rotating shaft to rotate synchronously with the main rotating shaft through the parallel connecting rod. The limiter limits the deflection position of the main and slave rotating shafts. When the stepper motor rotates rapidly, the rocker arms with rollers at 8 workstations will rotate synchronously to press down or lift the FPM to complete the test.

[0005] The above-mentioned test machine can well complete the downward pressure and lifting test work through the rocker arm, but the rocker arm is used to perform reciprocating linear motion testing. The force is too uniform and in a single direction, which cannot fully simulate the force mode of the driver and passenger on the pedal (the force is arbitrary and in multiple directions). Therefore, the test is too theoretical;

[0006] In addition, the downward pressure distance of the rocker arm of the above-mentioned testing machine needs to be repeatedly controlled by a limiter to complete the test work, which makes the throttle reciprocating test less efficient and the test speed slower, and increases the control difficulty, which is not conducive to the rapid and continuous progress of the detection work and cannot quickly adapt to throttle pedals of different strokes for testing. Summary of the invention

[0007] The purpose of the present invention is to provide an electronic throttle fatigue test device to solve the above technical problems.

[0008] To solve the above technical problems, the present invention is implemented through the following technical solutions.

[0009] The present invention is an electronic throttle fatigue test device, comprising a test machine, a monitor is installed on the top of the test machine, a throttle mounting mechanism is installed on one side of the test machine, a plurality of electronic throttle bodies are detachably fixedly installed on the throttle mounting mechanism, and the plurality of electronic throttle bodies are all connected to the monitor, a driving mechanism is installed on the other side of the test machine, and a test mechanism is assembled and installed on the driving mechanism, the test mechanism and the driving mechanism complete power connection, and the test mechanism and the throttle mounting mechanism are arranged in coordination, the driving mechanism drives the test mechanism to move to complete active testing of the electronic throttle body on the throttle mounting mechanism, and the test mechanism can quickly adjust the downward pressure distance for different electronic throttle bodies, and the test action of the electronic throttle body can be completed through the coordination of the test mechanism, the driving mechanism and the throttle mounting mechanism.

[0010] Furthermore, the throttle mounting mechanism includes a throttle mounting plate, the top of both sides of the throttle mounting plate are rotatably connected to the test machine through pins, and arc-shaped areas cooperating with the throttle mounting plate are opened on both sides of the test machine, a slider is slidably engaged in the arc-shaped area, an extension plate is detachably fixedly installed on the top of the slider, a positioning screw is passed through the extension plate by threaded engagement, and a plurality of positioning holes are evenly opened on one side of the arc-shaped area, the positioning screws are correspondingly inserted into the positioning holes to complete the restriction of the throttle mounting plate, and a plurality of electronic throttle bodies are detachably fixedly installed side by side on the throttle mounting plate.

[0011] Furthermore, a signal monitoring port is provided on each of the plurality of electronic throttle bodies, and the signal monitoring port is connected to a monitoring instrument via a wiring harness.

[0012] Furthermore, the driving mechanism includes a reduction motor installed on one side of the bottom of the test machine through a bracket, a No. 1 pulley is installed for transmission at the output end of the reduction motor, bearing seats are removably fixedly installed on both sides of the top of the test machine, a driving shaft is commonly passed through the two bearing seats, and a No. 2 pulley is removably fixedly installed at one end of the driving shaft, a power belt is commonly provided on the No. 1 pulley and the No. 2 pulley, and a protective cover is installed on one side of the test machine through the bracket.

[0013] Furthermore, the test mechanism includes multiple eccentric wheel groups, which are arranged on the drive shaft in a side-by-side and spaced manner. The multiple eccentric wheel groups are arranged in a one-to-one correspondence with the multiple electronic throttle bodies, and an adjustment unit is installed on the drive shaft. The adjustment unit completes power connection with the multiple eccentric wheel groups, and the eccentric distance positions of the multiple eccentric wheel groups are synchronously adjusted through the adjustment unit. Two counterweight units are added at both ends of the drive shaft. The two counterweight units are used to complete active counterweight actions for the multiple eccentric wheel groups, and the two counterweight units respectively complete follow-up cooperation with the two eccentric wheel groups. When the eccentric wheel group completes the eccentric distance adjustment, the counterweight unit synchronously retracts and moves to complete the active counterweight action.

[0014] Furthermore, multiple eccentric wheel groups all include a disc member, which is in contact with the electronic throttle body, and an adjustment area is opened through the middle position of the disc member, and a slide seat is slidably engaged in the adjustment area, and the slide seat is correspondingly detachably mounted on the outside of the drive shaft, and an adjustment frame is detachably fixedly installed on the top of the slide seat through a bracket, and a threaded rod is rotatably installed in the adjustment frame, and a threaded block is sleeved on the outside of the threaded rod through a threaded screw, and the threaded block is correspondingly slidably engaged in the adjustment frame, and transmission arms are detachably fixedly installed on both sides of the threaded block, and the top of the transmission arm is detachably fixedly connected to the top of both sides of the disc member, and a No. 1 bevel gear is rotatably installed at the bottom of the adjustment frame toward the slide seat.

[0015] Furthermore, the adjustment unit includes a rotating ring rotatably sleeved on one end of the outside of the driving shaft, an inner gear ring is fixedly welded on the front end of the rotating ring, a synchronous shaft is rotatably installed on the driving shaft through a bracket, the synchronous shaft is arranged at the bottom of an adjustment frame corresponding to the plurality of eccentric wheel groups, and a plurality of No. 2 bevel gears are fixedly sleeved on the outside of the synchronous shaft, and the plurality of No. 2 bevel gears are respectively meshed and transmission connected with the No. 1 bevel gears at the bottom of the plurality of adjustment frames, a driving gear is fixedly sleeved on one end of the synchronous shaft close to the rotating ring, the driving gear is meshed and transmission connected with the inner gear ring, and an outer gear ring is fixed on the outside of the driving shaft at one side of the rotating ring.

[0016] Furthermore, an L-shaped part is installed on one side of the rotating ring, and an arc-shaped tooth plate is slidably engaged in the L-shaped part. The arc-shaped tooth plate is engaged with the outer gear ring to limit the rotating ring. A locking screw is threaded through the L-shaped part, and the bottom of the locking screw is rotatably connected to the top of the arc-shaped tooth plate.

[0017] Furthermore, the two counterweight units each include a telescopic sleeve, which is detachably fixedly mounted on the bottom of the driving shaft, a telescopic member is slidably mounted in the telescopic sleeve, and a counterweight member is detachably fixedly mounted on the bottom of the telescopic member.

[0018] Furthermore, a slideway is detachably fixed on one side of each of the two slide seats, a slide table is slidably engaged in the slideway, two synchronous gears are symmetrically installed on the slide table for rotation, the two synchronous gears are correspondingly meshed and connected, and a synchronous arm is fixedly installed on one end of the two synchronous gears, the top of the synchronous arm on one of the synchronous gears is rotationally connected to the side wall of the transmission arm through a pin shaft, and the top of the synchronous arm on the other synchronous gear is rotationally connected to one side of the counterweight member through a pin shaft, and the synchronous linkage of the counterweight member and the disc member is completed through the two synchronous arms, so that the counterweight member follows the eccentric state of the disc member to complete the telescopic adjustment of its own position.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The present invention is provided with a driving mechanism, and the reciprocating downward pressure test is completed through the eccentric wheel group and the electronic throttle body, thereby improving the test efficiency, being able to more fully reflect the test results, and being more conducive to the optimization of the performance of new products. At the same time, the eccentric wheel group is used to replace the traditional linear motion mechanism and the circular motion mechanism. In addition to applying a downward pressure action on the electronic throttle body, the outer circle of the eccentric wheel group also simultaneously superimposes a sliding action, which has the advantage of varying the force application and having a certain lateral force component, so that the force application mode of the driver and passenger on the electronic throttle body can be better simulated. Therefore, the method is more scientific and the test effect will be more sufficient.

[0021] The present invention is provided with a test mechanism. When the synchronous shaft rotates, the threaded rod on the eccentric wheel group is synchronously driven to rotate, and the upward movement of the threaded block is transmitted to the disc member via the transmission arm, so that the eccentric distance of the disc member relative to the driving shaft is changed and adjusted. The disc member can obtain different eccentricities, and can quickly adapt to different electronic throttle body downward pressures and actively adjust them. There is no need to repeatedly replace the eccentric wheel group, and the adjustment range is wide. The test personnel can freely adjust according to the test conditions. Subsequently, the driving shaft drives the eccentric wheel group to rotate again to obtain different downward pressure states, and the adaptability is strong.

[0022] The present invention is provided with a counterweight unit. When the disc member is adjusting the eccentric distance, the transmission arm will synchronously pull the synchronization arm thereon to move when it moves upward, so that the other synchronization arm can complete the follow-up movement, and push the counterweight member to complete the synchronous offset, so that the counterweight member can follow the offset of the eccentric wheel group to complete the follow-up adjustment, so that the eccentric wheel group can obtain a balanced state, and the rotation of the eccentric wheel group in subsequent reciprocating test actions is more stable, avoiding the problem of interference with the test of the electronic throttle body caused by swinging.

[0023] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is the overall front view of the present invention;

[0025] Figure 2 It is a schematic diagram of installing the test mechanism of the present invention on a test machine;

[0026] Figure 3 It is a schematic diagram of installing the driving mechanism of the present invention on a test machine;

[0027] Figure 4 It is a schematic diagram of the distribution of the testing mechanism and the throttle mounting mechanism of the present invention;

[0028] Figure 5 It is a schematic diagram of installing the electronic throttle body of the present invention on the throttle mounting plate;

[0029] Figure 6 It is a schematic diagram of installing the eccentric wheel group of the present invention on the driving shaft;

[0030] Figure 7 It is a schematic diagram of the distribution of the eccentric wheel group and the electronic throttle body of the present invention;

[0031] Figure 8 It is a schematic diagram of the test mechanism of the present invention;

[0032] Fig. 9 It is a schematic diagram of the structure of the eccentric wheel group of the present invention;

[0033] Fig.10 It is a schematic diagram of installing the rotating collar of the present invention on the driving shaft;

[0034] Fig.11 It is a schematic diagram of the distribution of the eccentric wheel group and the counterweight unit of the present invention;

[0035] Fig.12 It is a structural schematic diagram of the counterweight unit of the present invention;

[0036] Fig.13 It is a schematic diagram of the connection between two synchronous arms, a counterweight and a transmission arm of the present invention;

[0037] Fig.14 It is a schematic diagram of the distribution of the slide table in the slideway of the present invention;

[0038] Fig.15 For the present invention Figure 3 Enlarged schematic diagram at point A in the middle.

[0039] In the figure: 1. Test bench; 2. Monitor; 3. Electronic throttle body; 4. Throttle mounting plate; 5. Arc area; 6. Slider; 7. Extension plate; 8. Positioning screw; 9. Positioning hole; 10. Signal monitoring port; 11. Speed ​​reducer motor; 12. Pulley No. 1; 13. Bearing seat; 14. Drive shaft; 15. Pulley No. 2; 16. Power belt; 17. Protective cover; 18. Eccentric wheel assembly; 181. Disc; 182. Adjustment area; 183. Sliding seat; 184. Adjustment frame; 185, threaded rod; 186, threaded block; 187, transmission arm; 188, bevel gear No. 1; 19, rotating collar; 20, inner gear ring; 21, synchronization shaft; 22, bevel gear No. 2; 23, driving gear; 24, outer gear ring; 25, L-shaped part; 26, arc-shaped tooth plate; 27, locking screw; 28, telescopic sleeve; 29, telescopic part; 30, counterweight; 31, slideway; 32, slide; 33, electromagnet; 34, synchronization gear; 35, synchronization arm. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] Embodiment 1: The present invention provides a technical solution: Figures 1 to 15As shown, the electronic throttle fatigue test equipment includes a test machine 1, which consists of a left wall panel, a right wall panel and a base. The left wall panel and the right wall panel are parallel and spaced apart. The base is detachably fixed on the top of the left wall panel and the right wall panel by screws, and a motor mounting plate is detachably fixed on the bottom between the left wall panel and the right wall panel by screws, and open areas are opened through the left wall panel and the right wall panel. A monitor 2 is installed on the top of the test machine 1. The monitor 2 can provide working power to multiple groups of electronic throttle bodies 3, and can also monitor and display the signal parameter output of the tested electronic throttle body 3 in real time. The monitor 2 is equipped with a recorder inside, which can record and synchronously store data in real time and generate curves. Retrieving data can realize process playback and monitor the test process. The monitor 2 has online monitoring and recording functions, which is different from the conventional manual recording method. , with a high degree of automation, accurate data, and playback capability. The electronic control part of the above-mentioned monitor 2 is all existing technology, and no further elaboration is given here. A throttle mounting mechanism is installed on one side of the test machine 1, and a plurality of electronic throttle bodies 3 are detachably fixedly mounted on the throttle mounting mechanism. The plurality of electronic throttle bodies 3 are all connected to the monitor 2. A driving mechanism is installed on the other side of the test machine 1, and a test mechanism is assembled and mounted on the driving mechanism. The test mechanism and the driving mechanism complete power connection, and the test mechanism and the throttle mounting mechanism are arranged in coordination. The driving mechanism drives the test mechanism to move to complete active testing of the electronic throttle body 3 on the throttle mounting mechanism, and the test mechanism can quickly adjust the downward pressure distance for different electronic throttle bodies 3. The test action of the electronic throttle body 3 can be completed through the cooperation of the test mechanism, the driving mechanism and the throttle mounting mechanism;

[0043] The throttle mounting mechanism includes a throttle mounting plate 4, the tops of both sides of the throttle mounting plate 4 are rotatably connected to the test machine 1 through pins, and arc areas 5 that cooperate with the throttle mounting plate 4 are opened on both sides of the test machine 1, and the arc area 5 is set with the pin point of the throttle mounting plate 4 and the test machine 1 as the center of the circle, and a slider 6 is slidably engaged in the arc area 5, and an extension plate 7 is detachably fixedly installed on the top of the slider 6, and a positioning screw 8 is penetrated on the extension plate 7 through threaded engagement, and a plurality of positioning holes are evenly opened on one side of the arc area 5 9, multiple positioning holes 9 are arranged in a circular array with the pin point of the throttle mounting plate 4 and the test machine 1 as the center, the positioning screw 8 is correspondingly inserted into the positioning hole 9 to complete the restriction of the throttle mounting plate 4, and multiple electronic throttle bodies 3 are detachably fixedly installed on the throttle mounting plate 4 side by side, and the electronic throttle bodies 3 are detachably fixed to the throttle mounting plate 4 by bolts, quick-release parts or card slot fasteners, and multiple electronic throttle bodies 3 are provided with signal monitoring ports 10, and the signal monitoring ports 10 are connected to the monitor 2 through a wiring harness;

[0044] It is worth mentioning that when the electronic throttle body 3 is fixed: by providing a throttle mounting mechanism, the electronic throttle body 3 is assembled on a predetermined position of the throttle mounting plate 4, and then the signal monitoring port 10 of the electronic throttle body 3 is connected to the monitor 2, and the signal of the electronic throttle body 3 is detected by the monitor 2, thereby ensuring the efficient and stable progress of the test work. When it is necessary to adjust the inclination angle of the electronic throttle body 3, it is only necessary to rotate the positioning screw 8 to move it out of the positioning hole 9, and then the throttle mounting plate 4 is rotated through the pin point between it and the test machine 1, so as to complete the adjustment of the inclination angle of the throttle mounting plate 4, and the throttle mounting plate 4 is guided by the arc area 5 and the slider 6. After the adjustment is completed, it is only necessary to rotate the positioning screw 8 again to drive it to be inserted into the positioning hole 9 to complete the locking. The operation is convenient, and it is convenient for the test personnel to fine-tune the position of the throttle mounting plate 4 within the adjustable range of multiple positioning holes 9.

[0045] Among them, each electrical component on the driving mechanism and the test mechanism and the electrical components involved in the test equipment are connected to a switch through a wire, and the switch is electrically connected to a controller, and the specific structure of the controller is not limited.

[0046] Embodiment 2: Based on the driving mechanism provided in Embodiment 1, this embodiment provides a further technical solution of the driving mechanism.

[0047] like Figure 3 and Figure 6 As shown, the driving mechanism includes a reduction motor 11 installed on one side of the bottom of the test machine 1 through a bracket, the reduction motor 11 is correspondingly installed on the motor mounting plate, and one end of the reduction motor 11 is arranged corresponding to the open area extending out of the right wall panel, a No. 1 pulley 12 is installed for transmission at the output end of the reduction motor 11, bearing seats 13 are detachably fixedly installed on both sides of the top of the test machine 1, a driving shaft 14 is commonly penetrated on the two bearing seats 13, a threading channel is penetrated at the center of the driving shaft 14, the driving shaft 14 completes the rotation under the guidance of the two bearing seats 13, and a No. 2 pulley 15 is detachably fixedly installed at one end of the driving shaft 14, a power belt 16 is commonly provided on the No. 1 pulley 12 and the No. 2 pulley 15, and a protective cover 17 is installed on one side of the test machine 1 through a bracket, and the protective cover 17 is used for safely protecting the working areas of the No. 1 pulley 12 and the No. 2 pulley 15;

[0048] It is worth mentioning that when the electronic throttle body 3 is continuously tested: a driving mechanism is provided to start the reduction motor 11, and the No. 1 pulley 12 and the No. 2 pulley 15 are connected via the power belt 16, so that the power of the reduction motor 11 is transmitted to the drive shaft 14, and the multiple eccentric wheel groups 18 are driven via the drive shaft 14 to complete the rotation, and the reciprocating downward pressure test is completed through the eccentric wheel group 18 and the electronic throttle body 3, which improves the test efficiency, can more fully reflect the test results, and is more conducive to the optimization of the performance of new products.

[0049] Embodiment 3: Based on the test mechanism provided in Embodiment 1, this embodiment provides a further technical solution for the test mechanism.

[0050] like Figure 4 and Figures 7 to 14 As shown, the test mechanism includes a plurality of eccentric wheel groups 18, and the plurality of eccentric wheel groups 18 are sleeved on the drive shaft 14 in parallel and at intervals. The plurality of eccentric wheel groups 18 are arranged one by one with the plurality of electronic throttle bodies 3, and an adjusting unit is installed on the drive shaft 14, and the adjusting unit completes power connection with the plurality of eccentric wheel groups 18, and the eccentric distance positions of the plurality of eccentric wheel groups 18 are synchronously adjusted through the adjusting unit, and two counterweight units are added at both ends of the drive shaft 14, and the counterweight units are arranged in coordination with the eccentric adjustment direction of the eccentric wheel groups 18, which can achieve a good counterweight effect, and the two counterweight units are used to complete active counterweight action for the plurality of eccentric wheel groups 18, and the two counterweight units respectively complete follow-up coordination with the two eccentric wheel groups 18, and when the eccentric distance adjustment of the eccentric wheel group 18 is completed, the counterweight unit synchronously retracts and follows to complete the active counterweight action;

[0051] It is worth noting that when the downward pressure on the electronic throttle body 3 is adjusted: a test mechanism is provided, and the different downward pressure required by different electronic throttle bodies 3 interferes. At present, it is necessary to repeatedly replace the eccentric wheel group 18 with different eccentricities to adapt to the use, which is time-consuming and labor-intensive. Therefore, with the assistance of the test mechanism, it is only necessary to operate the rotating ring 19 accordingly, and the internal gear ring 20 is meshed with the driving gear 23 for transmission, so that the synchronous shaft 21 completes the rotation. Since a plurality of No. 2 bevel gears 22 are provided on the synchronous shaft 21, and the No. 2 bevel gear 22 is meshed with the No. 1 bevel gear 188, when the synchronous shaft 21 rotates, the threaded rod 185 on the eccentric wheel group 18 is synchronously driven to rotate, driving the threaded block 186 to move up and down in the adjustment frame 184, and the upward movement of the threaded block 186 is transmitted to the disc via the transmission arm 187. The disc member 181 is mounted on the drive shaft 14, so that the eccentric distance of the disc member 181 relative to the drive shaft 14 is changed and adjusted. The disc member 181 can obtain different eccentricities, and can quickly adapt to the active adjustment of the downward pressure of different electronic throttle bodies 3. There is no need to repeatedly replace the eccentric wheel group 18, and the adjustment range is wide. The test personnel can freely adjust according to the test conditions. The eccentric wheel group 18 can be driven to rotate again by the drive shaft 14 to obtain different downward pressure states. The adaptability is strong. At the same time, after the adjustment is completed, the locking screw 27 is rotated to drive the arc-shaped tooth plate 26 to mesh with the outer gear ring 24, so that the rotating collar 19 is locked to prevent the free rotation of the rotating collar 19 from interfering with the position of the eccentric wheel group 18, so that the adjusted eccentric wheel group 18 obtains a stable operating state. When it needs to be unlocked later, it only needs to rotate the locking screw 27 again, which is convenient to operate.

[0052] In the embodiment of the present invention, the plurality of eccentric wheel groups 18 all include a disc member 181, which contacts the electronic throttle body 3, and an adjustment area 182 is provided through the middle position of the disc member 181, and the adjustment area 182 is provided along the center of the disc member 181, and a slide seat 183 is slidably engaged in the adjustment area 182, and the slide seat 183 is correspondingly detachably sleeved on the outside of the drive shaft 14, and the slide seat 183 is detachably fixedly connected to the drive shaft 14 by bolts, and a plurality of splines are provided around the drive shaft 14, and a plurality of spline grooves cooperating with the splines are provided on the inner wall of the slide seat 183, and a plurality of weight-reducing holes are provided through the disc member 181, and a bracket is provided at the top of the slide seat 183. An adjustment frame 184 is detachably fixedly installed, and the two sides of the adjustment frame 184 are designed to be through-opened. A threaded rod 185 is rotatably installed in the adjustment frame 184. A threaded block 186 is sleeved on the outside of the threaded rod 185 through a threaded screwing. The threaded block 186 is correspondingly slidably engaged in the adjustment frame 184. Transmission arms 187 are detachably fixedly installed on both sides of the threaded block 186. The top of the transmission arm 187 is detachably fixedly connected to the tops of both sides of the disc member 181. A No. 1 bevel gear 188 is rotatably installed at the bottom of the adjustment frame 184 toward the slide seat 183. The No. 1 bevel gear 188 is transmission-connected to the threaded rod 185. Under normal conditions, the slide seat 183 is located at the center of the disc member 181.

[0053] In the embodiment of the present invention, the adjustment unit includes a rotating sleeve 19 rotatably sleeved on one end of the outer side of the driving shaft 14, an inner gear ring 20 is coaxially fixedly welded on the front end of the rotating sleeve 19, a synchronous shaft 21 is rotatably mounted on the driving shaft 14 through a bracket, the synchronous shaft 21 is correspondingly extended to the bottom of the adjustment frame 184 on the plurality of eccentric wheel groups 18, and a plurality of second bevel gears 22 are fixedly sleeved on the outer side of the synchronous shaft 21, and the plurality of second bevel gears 22 are respectively meshed and transmission-connected with the first bevel gears 188 at the bottom of the plurality of adjustment frames 184, and the synchronous shaft 21 is close to the rotating sleeve 1 A driving gear 23 is fixedly sleeved at one end, and the driving gear 23 is meshed and transmission-connected with the inner gear ring 20. An outer gear ring 24 is fixed on the outside of the driving shaft 14 and located on one side of the rotating collar 19. An L-shaped member 25 is installed on one side of the rotating collar 19. An arc-shaped toothed plate 26 is slidably engaged in the L-shaped member 25. The arc-shaped toothed plate 26 meshes with the outer gear ring 24 to restrict the rotating collar 19. A locking screw 27 is threadedly screwed through the L-shaped member 25. The bottom of the locking screw 27 is rotationally connected to the top of the arc-shaped toothed plate 26, and a hand wheel is installed on the top of the locking screw 27.

[0054] In the embodiment of the present invention, the two counterweight units each include a telescopic sleeve 28, which is detachably fixedly mounted on the bottom of the drive shaft 14, a telescopic member 29 is slidably mounted in the telescopic sleeve 28, and two moving areas are provided through the telescopic sleeve 28, the telescopic member 29 is slidably engaged in the two moving areas, a counterweight member 30 is detachably fixedly mounted at the bottom of the telescopic member 29, and the counterweight member 30 is staggered with the electronic throttle body 3 to avoid motion interference, and the weight of the counterweight member 30 is The amount is adjusted according to the weight of the disc 181, so that the eccentrically adjusted disc 181 and the counterweight 30 complete the weight balance, reduce the load of the drive shaft 14, and ensure the stability of the rotation work. A slide 31 can be detachably fixed on one side of the two slide seats 183. The slide 31 is made of iron material. A slide table 32 is slidably engaged in the slide 31. An electromagnet 33 is hidden and installed on one side of the slide table 32. The electromagnet 33 and the slide 31 can be adsorbed and fixed. The sleeve is provided with a conductive slip ring, through which the electromagnet 33 is powered, and the counterweight unit is reinforced by the adsorption of the electromagnet 33 and the slideway 31. After the slide 32 moves to the predetermined position, the electromagnet 33 is energized to be locked. When the disc 181 needs to be adjusted, the electromagnet 33 only needs to be powered off. Two synchronous gears 34 are symmetrically installed on the slide 32 for rotation. The two synchronous gears 34 are correspondingly meshed and connected. A synchronous arm 35 is fixedly installed at one end of the two synchronous gears 34. The top of the synchronous arm 35 on one of the synchronous gears 34 is rotationally connected to the side wall of the transmission arm 187 through a pin shaft, and the top of the synchronous arm 35 on the other synchronous gear 34 is rotationally connected to one side of the counterweight 30 through a pin shaft, and the two synchronous arms 35 are symmetrically arranged with the slideway 31 as the center. The two synchronous arms 35 are used to complete the synchronous linkage of the counterweight 30 and the disc 181, so that the counterweight 30 follows the eccentric state of the disc 181 to complete the telescopic adjustment of its own position;

[0055] It is worth noting that when the eccentric wheel group 18 is provided with a counterweight unit, when the eccentric distance of the disc 181 is adjusted, the transmission arm 187 moves upward and synchronously pulls the synchronous arm 35 thereon to move, and the pull of the synchronous arm 35 causes the slide 32 to complete the following sliding in the slideway 31. Since the two synchronous arms 35 are respectively connected to the two synchronous gears 34, and the two synchronous gears 34 are meshed, the synchronous arm 35 on the transmission arm 187 transmits power to the other synchronous gear 34 in the path of driving the slide 32 forward. One synchronization arm 35 enables the other synchronization arm 35 to complete the follow-up movement, pushing the counterweight 30 to complete the synchronous offset, so that the counterweight 30 can follow the offset of the eccentric wheel group 18 to complete the follow-up adjustment, so that the eccentric wheel group 18 can obtain a balanced state, and the rotation of the eccentric wheel group 18 is more stable during the subsequent reciprocating test action, avoiding the problem of interference with the test of the electronic throttle body 3 caused by the swing, and the movement of the counterweight 30 can be actively guided through the telescopic sleeve 28 and the telescopic member 29, so that the counterweight 30 is more stable during movement.

[0056] The present invention provides an electronic throttle fatigue test device, and the specific working principle is as follows: first, a test machine 1 is fixed in a test area, and then an electronic throttle body 3 is assembled at a predetermined position on a throttle mounting mechanism. With the help of the throttle mounting mechanism, the test angle of the electronic throttle body 3 can be adjusted, which is convenient for completing the adjustment for electronic throttle bodies 3 of different sizes. Then, the electronic throttle body 3 is connected to a monitor 2 to complete the monitoring, and then a driving mechanism is started, and the driving mechanism drives the test mechanism set thereon to perform continuous rotation work, and the eccentric wheel group 18 on the test mechanism can be used to continuously test multiple electronic throttle bodies 3. In the test work, the eccentric wheel group 18 is used to replace the traditional linear motion mechanism and the circular motion mechanism. In addition to applying a downward pressure action on the electronic throttle body 3, the outer circle of the eccentric wheel group 18 also simultaneously superimposes a sliding action. The advantage is that the force is changed and there is a certain lateral force component, so it can better simulate the force application mode of the driver and passengers on the electronic throttle body 3. Therefore, this method is more scientific and the test effect will be more sufficient. Therefore, the electronic throttle body 3 is driven by the eccentric wheel group 18 to achieve a reciprocating stroke action from the idle position to the full stroke, and so on. The cycle is repeated, thereby realizing the fatigue test of the electronic throttle body 3 and improving the test efficiency;

[0057] At the same time, under the action of the adjusting unit, the eccentric distances of multiple eccentric wheel groups 18 can be actively adjusted synchronously through the adjusting unit, and the electronic throttle body 3 with different downward pressure can be actively adapted to complete the test without replacing the eccentric wheel group 18. There is no need to repeatedly disassemble and replace the eccentric wheel group 18, and the counterweight unit is linked with the multiple eccentric wheel groups 18. When the eccentric wheel group 18 completes the eccentric distance adjustment, the synchronously linked counterweight unit follows to complete the telescopic action, so that the active balancing counterweight is completed on both sides of the radial direction of the drive shaft 14, avoiding the problem of increased load on the drive shaft 14 due to the large eccentricity of the eccentric wheel group 18 during rotation, extending the service life of the drive shaft 14, and at the same time ensuring the accuracy of the test of the electronic throttle body 3, avoiding errors, so that the test work can be carried out safely and stably, and the safety is improved.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0059] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An electronic throttle fatigue test device, comprising a test bench (1), characterized in that: A monitor (2) is installed on the top of the test machine (1), a throttle mounting mechanism is installed on one side of the test machine (1), and a plurality of electronic throttle bodies (3) are detachably fixedly mounted on the throttle mounting mechanism, and the plurality of electronic throttle bodies (3) are all connected to the monitor (2); A driving mechanism is installed on the other side of the test machine (1), and a test mechanism is installed on the driving mechanism. The test mechanism and the driving mechanism are connected to each other in terms of power, and the test mechanism is arranged in coordination with the throttle mounting mechanism. The driving mechanism drives the test mechanism to move to complete active testing of the electronic throttle body (3) on the throttle mounting mechanism. The test mechanism can quickly adjust the downward pressure distance for different electronic throttle bodies (3). The test action on the electronic throttle body (3) can be completed through the coordination of the test mechanism, the driving mechanism and the throttle mounting mechanism. The driving mechanism comprises a reduction motor (11) mounted on one side of the bottom of the test machine (1) via a bracket, a first belt pulley (12) being installed for transmission at the output end of the reduction motor (11), bearing seats (13) being detachably fixedly installed on both sides of the top of the test machine (1), a driving shaft (14) being passed through the two bearing seats (13), a second belt pulley (15) being detachably fixedly installed at one end of the driving shaft (14), a power belt (16) being detachably installed on the first belt pulley (12) and the second belt pulley (15), and a protective cover (17) being installed on one side of the test machine (1) via a bracket; The test mechanism comprises a plurality of eccentric wheel groups (18), the plurality of eccentric wheel groups (18) being sleeved on a drive shaft (14) in a side-by-side manner and spaced apart from each other, the plurality of eccentric wheel groups (18) being arranged in a one-to-one correspondence with the plurality of electronic throttle bodies (3), and an adjustment unit being mounted on the drive shaft (14), the adjustment unit being connected to the plurality of eccentric wheel groups (18) in power connection; The eccentricity positions of the plurality of eccentric wheel groups (18) are synchronously adjusted by means of an adjustment unit, and two counterweight units are added at both ends of the drive shaft (14), the two counterweight units are used to complete active counterweighting actions for the plurality of eccentric wheel groups (18), and the two counterweight units are respectively coupled with the two eccentric wheel groups (18) to complete follow-up cooperation, and when the eccentric wheel groups (18) complete the eccentricity adjustment, the counterweight units are synchronously extended and retracted to complete the active counterweighting action; The plurality of eccentric wheel groups (18) each comprises a disc member (181), the disc member (181) being in contact with the electronic throttle body (3), an adjustment area (182) penetrating the middle of the disc member (181), a slide seat (183) slidably engaged in the adjustment area (182), the slide seat (183) being detachably sleeved on the outside of the drive shaft (14), an adjustment frame (184) being detachably fixedly mounted on the top of the slide seat (183) via a bracket, and a threaded rod (185) being rotatably mounted in the adjustment frame (184); The threaded rod (185) is externally sleeved with a threaded block (186) through a threaded engagement, and the threaded block (186) is correspondingly slidably engaged in the adjustment frame (184). Transmission arms (187) are detachably fixedly installed on both sides of the threaded block (186). The top of the transmission arm (187) is detachably fixedly connected to the top of both sides of the disc member (181), and a first bevel gear (188) is rotatably installed at the bottom of the adjustment frame (184) toward the slide seat (183).

2. The electronic throttle fatigue test equipment according to claim 1, characterized in that: The throttle mounting mechanism comprises a throttle mounting plate (4), the tops of both sides of the throttle mounting plate (4) being rotatably connected to a test machine (1) via pins, and arc-shaped areas (5) cooperating with the throttle mounting plate (4) are provided through both sides of the test machine (1), a slider (6) is slidably engaged in the arc-shaped area (5), an extension plate (7) is detachably fixedly mounted on the top of the slider (6), a positioning screw (8) is threadedly engaged through the extension plate (7), and a plurality of positioning holes (9) are evenly provided on one side of the arc-shaped area (5), the positioning screws (8) are correspondingly inserted into the positioning holes (9) to complete the restriction of the throttle mounting plate (4), and a plurality of electronic throttle bodies (3) are detachably fixedly mounted side by side on the throttle mounting plate (4).

3. The electronic throttle fatigue test equipment according to claim 2, characterized in that: A signal monitoring port (10) is provided on each of the plurality of electronic throttle bodies (3), and the signal monitoring port (10) is connected to the monitoring instrument (2) via a wiring harness.

4. The electronic throttle fatigue test equipment according to claim 3, characterized in that: The adjustment unit comprises a rotating sleeve (19) rotatably sleeved on one end of the outside of a driving shaft (14); an inner gear ring (20) is fixedly welded on the front end of the rotating sleeve (19); a synchronous shaft (21) is rotatably mounted on the driving shaft (14) via a bracket; the synchronous shaft (21) is arranged corresponding to the bottom of an adjustment frame (184) extending to a plurality of eccentric wheel groups (18); a plurality of second bevel gears (22) are fixedly sleeved on the outside of the synchronous shaft (21); the plurality of second bevel gears (22) are respectively meshed and transmission-connected with first bevel gears (188) at the bottom of a plurality of adjustment frames (184); a driving gear (23) is fixedly sleeved on one end of the synchronous shaft (21) close to the rotating sleeve (19); the driving gear (23) is meshed and transmission-connected with the inner gear ring (20); and an outer gear ring (24) is fixedly mounted on the outside of the driving shaft (14) and located on one side of the rotating sleeve (19).

5. The electronic throttle fatigue test equipment according to claim 4, characterized in that: An L-shaped member (25) is installed on one side of the rotating collar (19), and an arc-shaped toothed plate (26) is slidably engaged in the L-shaped member (25). The arc-shaped toothed plate (26) is meshed with the outer gear ring (24) to restrict the rotating collar (19). A locking screw (27) is threadedly screwed through the L-shaped member (25), and the bottom of the locking screw (27) is rotatably connected to the top of the arc-shaped toothed plate (26).

6. The electronic throttle fatigue test equipment according to claim 5, characterized in that: The two counterweight units both comprise a telescopic sleeve (28) which is detachably fixedly mounted on the bottom of the drive shaft (14), a telescopic member (29) is slidably mounted in the telescopic sleeve (28), and a counterweight member (30) is detachably fixedly mounted on the bottom of the telescopic member (29).

7. The electronic throttle fatigue test equipment according to claim 6, characterized in that: A slideway (31) is detachably fixed on one side of the two slide seats (183), a slide table (32) is slidably engaged in the slideway (31), two synchronous gears (34) are symmetrically rotatably mounted on the slide table (32), the two synchronous gears (34) are correspondingly meshed and connected, and a synchronous arm (35) is fixedly mounted on one end of the two synchronous gears (34), the top of the synchronous arm (35) on one synchronous gear (34) is rotatably connected to the side wall of the transmission arm (187) through a pin shaft, and the top of the synchronous arm (35) on the other synchronous gear (34) is rotatably connected to one side of the counterweight (30) through a pin shaft, and the counterweight (30) and the disc (181) are synchronously linked through the two synchronous arms (35), so that the counterweight (30) follows the eccentric state of the disc (181) to complete the telescopic adjustment of its own position.

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