Automobile power assembly start-stop endurance test system with monitoring function

Abstract

The utility model discloses an automobile power assembly start-stop endurance test system with a monitoring function, and relates to the technical field of automobile power testing, the automobile power assembly start-stop endurance test system with the monitoring function comprises an engine flywheel simulation test bench, and the side surface of the engine flywheel simulation test bench is provided with a starter installation groove. The end part of the starter installation groove is provided with a positioning column which is integrated with the engine flywheel simulation test bench. An electric starter is placed in the starter mounting groove, and a quick locker corresponding to the electric starter is movably connected in the starter mounting groove; according to the electric starter dismounting device, the locking pressing plate gradually gets close to the electric starter through threaded fit between the threaded lead screw and the locking pressing plate, the electric starter is clamped, the positioning sleeves at the two ends of the locking pressing plate are connected to the ends of the positioning columns in a sleeving mode, the electric starter is limited, and therefore the dismounting efficiency of the electric starter is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile power test, specifically is automobile power assembly start -stop endurance test system with monitoring function. BACKGROUND

[0002] The automobile power assembly start -stop endurance test is an important test for evaluating the reliability and durability of the automobile power assembly under frequent start -stop conditions, verifying whether the power assembly can maintain normal performance and function under the conditions of simulating frequent start -stop in actual use, and detecting possible wear, fatigue, failure and other problems of the power assembly components during long -term start -stop cycles.

[0003] At present, most of the start -stop endurance tests mainly monitor the starter in the power assembly, including the starting torque and rotating speed of the starter, and after frequent starting, the durability of the starter can be directly observed through the changes of the above two data.

[0004] However, in practice, when installing the starter, the starter is usually fixed on the detection table by bolts, and professional tools are also needed to assemble and disassemble the bolts, which consumes a lot of time, resulting in a long preparation time before detection and low efficiency, and in the simulation process, the vibration caused by frequent start -stop of the starter will cause the bolts to loosen, which will affect the normal detection. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing automobile power assembly start -stop endurance test system with monitoring function, simulating the engine by flywheel, and testing the starter, and the dynamic torque sensor on the side of the flywheel and the photoelectric sensor at the end of the flywheel, monitoring the data during the simulation start -stop process of the starter, and the locking structure and supporting mechanism movably connected to the side of the shell, quickly locking and positioning the starter, thereby improving the installation efficiency of the starter.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The automobile power assembly start -stop endurance test system with monitoring function comprises an engine flywheel simulation test bench, a starter installation slot is arranged on the side of the engine flywheel simulation test bench, and a positioning column integrally arranged with the engine flywheel simulation test bench is arranged at the end of the starter installation slot.

[0008] An electric starter is placed in the starter installation slot, a quick locker corresponding to the electric starter is movably connected in the starter installation slot, and an end limiter in transmission cooperation with the quick locker is further arranged at the other end of the electric starter.

[0009] As a further technical scheme of the utility model, the quick locker includes end support frame fixedly connected with the end of engine flywheel simulation test bench, and a threaded lead screw is movably connected in the end support frame, wherein one end of the threaded lead screw is movably connected with the engine flywheel simulation test bench, and the other end penetrates through the end support frame.

[0010] As a further technical scheme of the utility model, the side surface of the end support frame is fixedly connected with a servo motor, the end of the servo motor is drivingly connected with the end of the threaded lead screw through a shaft coupling, and the side surface of the threaded lead screw is drivingly connected with a locking pressing plate.

[0011] Both ends of the locking pressing plate are integrally provided with positioning sleeve pipes corresponding to the positioning columns, and the end of the positioning column penetrates through the electric starter and is inserted into the positioning sleeve pipe.

[0012] As a further technical scheme of the utility model, the side surface of the starter mounting groove is provided with a through hole, the end of the electric starter extends to the side surface of the engine flywheel simulation test bench through the through hole, and the side surface of the engine flywheel simulation test bench is movably connected with a driving gear corresponding to the electric starter.

[0013] As a further technical scheme of the utility model, the end limiter includes a sliding sleeve plate, the side surface of the sliding sleeve plate is provided with a threaded cooperation hole, the threaded lead screw and the threaded cooperation hole are threadedly cooperated, and the other end of the sliding sleeve plate is slidingly cooperated with a fixed sliding rod.

[0014] As a further technical scheme of the utility model, the sliding sleeve plate is provided with a positioning clamping groove corresponding to the electric starter, and the end of the electric starter is inserted into the inner side of the positioning clamping groove, and both ends of the positioning column are fixedly connected with the engine flywheel simulation test bench.

[0015] As a further technical scheme of the utility model, the sliding sleeve plate is provided with a positioning clamping groove corresponding to the electric starter, and the end of the electric starter away from the driving gear is inserted into the positioning clamping groove.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model places the electric starter into the starter mounting groove, inserts the bolt hole of the electric starter into the corresponding positioning column, drives the threaded lead screw to rotate through the servo motor, threadedly cooperates the threaded lead screw and the locking pressing plate, makes the locking pressing plate gradually close to the electric starter, clamps the electric starter, inserts the positioning sleeve pipes at both ends of the locking pressing plate into the end of the positioning column, positions the electric starter, and improves the dismounting efficiency of the electric starter.

[0018] 2. The utility model discloses, the threaded screw rod rotates simultaneously, and the sliding cover board passes through the thread cooperation with threaded screw rod, makes the sliding cover board also close to the electric starter, until the end of electric starter inserts into the positioning clamping groove, and the other end of electric starter is limited, thereby reducing the vibration of electric starter when starting, improve the stability of the testing process,

[0019] 3. The utility model discloses, the dynamic torque sensor of engine flywheel simulation test bench inboard detects the starting torque when the driving gear rotates, and passes the data to data processing host computer and processes, and the power supply component in data processing host computer carries out periodic power supply to electric starter, and the power supply frequency and current voltage are monitored at any time, cooperate the change of starting torque to the electric starter and carry out start-stop endurance test. DRAWINGS

[0020] Figure 1 It is the use state structure schematic diagram of the utility model.

[0021] Figure 2 It is the partial enlarged diagram of the utility model Figure 1 .

[0022] Figure 3 It is another perspective drawing of the utility model Figure 1 .

[0023] Figure 4 It is the partial structure schematic diagram of the utility model Figure 3 .

[0024] Figure 5 It is the partial enlarged diagram of the utility model Figure 4 .

[0025] Figure 6 It is the position structure schematic diagram of end limit stopper and quick lock of the utility model.

[0026] Figure 7 It is another perspective drawing of the utility model Figure 6 .

[0027] In the drawing,

[0028] Detection workbench-1, engine flywheel simulation test bench-2, driving gear-3, electric starter-4, end limit stopper-5, sliding cover board-51, positioning clamping groove-52, fixed sliding rod-53, quick lock-6, threaded screw rod-61, end support frame-62, servo motor-63, locking pressure plate-64, positioning sleeve-65, data processing host computer-7, display screen-8, starter installation groove-9, positioning column-10. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] Please refer to Figures 1-7 The utility model embodiment provides with monitoring function's automobile power assembly start -stop endurance test system, including engine flywheel simulation test bench 2, the side of engine flywheel simulation test bench 2 is provided with starter installation groove 9, and the end of starter installation groove 9 is equipped with the positioning column 10 of integral setting with engine flywheel simulation test bench 2;

[0031] The starter installation groove 9 is placed with the electric starter 4, and the starter installation groove 9 is also movably connected with the quick lock 6 corresponding to the electric starter 4, and the other end of the electric starter 4 is also provided with the end positioner 5 driven in cooperation with the quick lock 6.

[0032] In the embodiment, the quick lock 6 includes an end support frame 62 fixedly connected to the end of the engine flywheel simulation test bench 2, and a threaded lead screw 61 movably connected in the end support frame 62. One end of the threaded lead screw 61 is movably connected to the engine flywheel simulation test bench 2, and the other end penetrates through the end support frame 62.

[0033] Further, the side of the end support frame 62 is fixedly connected with a servo motor 63, and the end of the servo motor 63 is drivingly connected with the end of the threaded lead screw 61 through a shaft coupling, and the side of the threaded lead screw 61 is drivingly matched with a locking pressing plate 64.

[0034] The locking pressing plate 64 has a positioning sleeve 65 corresponding to the positioning column 10 integrally formed at both ends thereof, and the end of the positioning column 10 penetrates through the electric starter 4 and is inserted into the positioning sleeve 65.

[0035] By adopting the above technical scheme, the electric starter 4 is placed into the starter installation groove 9, and the bolt hole of the electric starter 4 is sleeved onto the corresponding positioning column 10, then the servo motor 63 drives the threaded lead screw 61 to rotate, and through the thread cooperation between the threaded lead screw 61 and the locking pressing plate 64, the locking pressing plate 64 gradually approaches the electric starter 4, clamps the electric starter 4, and the positioning sleeves 65 at both ends of the locking pressing plate 64 are sleeved onto the ends of the positioning columns 10 to limit the electric starter 4, thereby improving the dismounting efficiency of the electric starter 4.

[0036] Further, the side of the starter installation slot 9 is provided with a through hole, and the end of the electric starter 4 extends to the side of the engine flywheel simulation test bench 2 through the hole, and the side of the engine flywheel simulation test bench 2 is movably connected with the drive gear 3 corresponding to the electric starter 4.

[0037] Further, the end limiter 5 comprises a sliding sleeve plate 51, the side of the sliding sleeve plate 51 is provided with a threaded hole, and the threaded rod 61 and the threaded hole are threadedly connected, and the other end of the sliding sleeve plate 51 is slidably connected with a fixed sliding rod 53.

[0038] Specifically, the sliding sleeve plate 51 is provided with a positioning slot 52 corresponding to the electric starter 4, and the end of the electric starter 4 is inserted into the inside of the positioning slot 52, and the two ends of the positioning column 10 are fixedly connected with the engine flywheel simulation test bench 2.

[0039] Further, the sliding sleeve plate 51 is provided with a positioning slot 52 corresponding to the electric starter 4, and the end of the electric starter 4 away from the drive gear 3 is inserted into the positioning slot 52.

[0040] By adopting the above technical scheme, when the threaded rod 61 rotates, the sliding sleeve plate 51 is also moved towards the electric starter 4 through the threaded connection with the threaded rod 61, until the end of the electric starter 4 is inserted into the positioning slot 52, and the other end of the electric starter 4 is limited, thereby reducing the vibration of the electric starter 4 during starting, and improving the stability of the test process.

[0041] Further, the engine flywheel simulation test bench 2 is fixedly connected with a detection workbench 1 below, the other end of the detection workbench 1 is fixedly connected with a data processing host 7, and the data processing host 7 is provided with a display screen 8.

[0042] Further, the inside of the engine flywheel simulation test bench 2 is provided with a flywheel simulating the starting of an engine, and the side of the flywheel is provided with a dynamic torque sensor, which can monitor the change of torque during starting in real time when the flywheel rotates.

[0043] Further, the end of the drive gear 3 is provided with a rotating shaft, and the other end of the rotating shaft is movably connected in the engine flywheel simulation test bench 2, and the other end of the rotating shaft is connected with the end of the flywheel through gear transmission, and the drive gear 3 rotates to rotate the flywheel inside.

[0044] Further, the engine flywheel simulation test bench 2 is provided with a photoelectric sensor at the end away from the driving gear 3, the rotation speed of the flywheel is detected by the photoelectric sensor, and the detected data is transmitted to the data processing host 7, and the data processor in the data processing host 7 displays the data on the display screen 8.

[0045] By adopting the technical scheme, the dynamic torque sensor on the inner side of the engine flywheel simulation test bench 2 detects the starting torque when the driving gear 3 rotates, and transmits the data to the data processing host 7 for processing, and the power supply assembly in the data processing host 7 periodically supplies power to the electric starter 4, and the number of power supply and the current and voltage are monitored at any time, and the change of the starting torque is matched, so that the electric starter 4 is subjected to start-stop durability test.

[0046] The working principle of the utility model is: when using, first, the electric starter 4 is placed into the starter mounting groove 9, and the end of the electric starter 4 passes through the hole at the end of the starter mounting groove 9, and the positioning column 10 around the hole corresponds to the bolt hole on the electric starter 4, then the servo motor 63 drives the threaded lead screw 61 to rotate, the threaded cooperation between the threaded lead screw 61 and the locking pressure plate 64 makes the locking pressure plate 64 move to the electric starter 4, until the positioning sleeve 65 at both ends of the locking pressure plate 64 is sleeved to the end of the positioning column 10, the electric starter 4 is quickly fixed by extruding the locking pressure plate 64 and the side of the engine flywheel simulation test bench 2, and when the threaded lead screw 61 rotates, the sliding sleeve plate 51 slides on the outside of the fixed slide rod 53 by the threaded cooperation between the threaded lead screw 61 and the sliding sleeve plate 51, and the sliding sleeve plate 51 approaches the electric starter 4, until the other end of the electric starter 4 is inserted into the positioning slot 52, supporting the end of the electric starter 4, reducing the vibration of the electric starter 4 during use, then the power supply assembly in the data processing host 7 is connected with the electric starter 4 by wires, the electric starter 4 is periodically powered by the data processing host 7, and the current and voltage are monitored, and the results are displayed on the display screen 8, after the electric starter 4 is powered on, the output rod at the end of the electric starter 4 moves to the side of the driving gear 3 and engages with the driving gear 3, and drives the driving gear 3 to rotate, the driving gear 3 drives the flywheel on the inner side of the engine flywheel simulation test bench 2 to rotate through internal gear cooperation, and the dynamic torque sensor on the side of the flywheel monitors the starting torque.

[0047] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0048] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single preferred embodiment, it being understood that this single preferred embodiment can exhibit not every aspect or feature of the present specification. The specification can also be described in terms of a generic statement that the disclosure can include one, some, or all of a list of features. It is further understood that the specification is to be considered as a whole and not with reference to a single feature or design element alone.

Claims

1. A system for endurance test of vehicle powertrain start-stop with monitoring function, characterized in that: The engine flywheel simulation test bench (2) is provided with a starter installation groove (9) on the side, and the end of the starter installation groove (9) is provided with a positioning column (10) integrally arranged with the engine flywheel simulation test bench (2); The electric starter (4) is placed in the starter installation groove (9), and the quick locking device (6) corresponding to the electric starter (4) is movably connected in the starter installation groove (9), and the other end of the electric starter (4) is provided with an end position limiter (5) in transmission cooperation with the quick locking device (6).

2. The automobile powertrain start-stop endurance test system with monitoring function according to claim 1, characterized in that: The quick locking device (6) includes an end support frame (62) fixedly connected with the end of the engine flywheel simulation test bench (2), and a threaded lead screw (61) movably connected in the end support frame (62), wherein one end of the threaded lead screw (61) is movably connected with the engine flywheel simulation test bench (2), and the other end penetrates through the end support frame (62). 3.The automobile powertrain start-stop endurance test system with monitoring function according to claim 2, characterized in that: The side of the end support frame (62) is fixedly connected with a servo motor (63), and the end of the servo motor (63) is drivingly connected with the end of the threaded lead screw (61) through a shaft coupling, and the side of the threaded lead screw (61) is drivingly matched with a locking pressing plate (64); Both ends of the locking pressing plate (64) are integrally provided with a positioning sleeve (65) corresponding to the positioning column (10), and the end of the positioning column (10) penetrates through the electric starter (4) and is inserted into the positioning sleeve (65).

4. The automobile powertrain start-stop endurance test system with monitoring function according to claim 3, characterized in that: The side of the starter installation groove (9) is provided with a through hole, and the end of the electric starter (4) extends to the side of the engine flywheel simulation test bench (2) through the hole, and the side of the engine flywheel simulation test bench (2) is movably connected with a drive gear (3) corresponding to the electric starter (4).

5. The automobile powertrain start-stop endurance test system with monitoring function according to claim 4, characterized in that: The end position limiter (5) includes a sliding sleeve plate (51), the side of the sliding sleeve plate (51) is provided with a threaded cooperation hole, the threaded lead screw (61) and the threaded cooperation hole are threadedly matched, and the other end of the sliding sleeve plate (51) is slidingly matched with a fixed sliding rod (53). 6.The automobile powertrain start-stop endurance test system with monitoring function according to claim 5, characterized in that: The sliding sleeve plate (51) is provided with a positioning clamping groove (52) corresponding to the electric starter (4), and the end of the electric starter (4) is inserted into the inner side of the positioning clamping groove (52), and both ends of the positioning column (10) are fixedly connected with the engine flywheel simulation test bench (2).

7. The automobile powertrain start-stop endurance test system with monitoring function according to claim 6, characterized in that: The sliding sleeve plate (51) is provided with a positioning clamping groove (52) corresponding to the electric starter (4), and the end of the electric starter (4) away from the drive gear (3) is inserted into the positioning clamping groove (52).

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