Auxiliary starting tool for detecting automobile range extender

Abstract

The utility model relates to the technical field of range extender detection equipment, and particularly discloses an auxiliary starting tool for detecting an automobile range extender, which is used for assisting the starting of the range extender and comprises a starting motor and a connecting piece, and the starting motor is arranged on a cylinder body of the range extender; the connecting piece is detachably arranged on a flywheel of the range extender, and the connecting piece is in transmission connection with the output end of the starting motor; the connecting piece comprises a connecting body, a butt joint cavity is formed in one end of the connecting body, and the flywheel is embedded into the butt joint cavity. A plurality of protruding blocks are annularly arranged at the cavity bottom of the butt joint cavity, a plurality of grooves are annularly formed in the end face of the flywheel in an array mode, and the protruding blocks are embedded into the grooves respectively. A gear ring is arranged on the connecting main body; a driving gear is arranged at the output end of the starting motor, the driving gear is meshed with the gear ring, the starting motor is fixedly arranged on a mounting bracket, and the mounting bracket is fixed with a cylinder body of the range extender through a plurality of screw rods; the range extender can start detection without using a vehicle motor.

Description

Technical Field

[0001] This utility model relates to the technical field of range extender testing equipment, and more specifically, to an auxiliary starting fixture for testing automotive range extenders. Background Technology

[0002] Currently, new energy vehicles mainly fall into four categories: pure electric vehicles, hybrid electric vehicles, range-extended electric vehicles, and fuel cell electric vehicles. Range-extended electric vehicles are similar to pure electric vehicles, but they are equipped with a small range extender (an upgraded version of the internal combustion engine) to drive a generator to produce electricity so that the vehicle can continue to drive when the battery is depleted.

[0003] In a car, the range extender is connected to the generator and is started by the generator. Therefore, the range extender does not have a starting gear like the flywheel of a traditional internal combustion engine. This means that the range extender cannot be started directly with a starter motor during factory testing. If the generator is directly installed on the range extender for starting, not only is it time-consuming and labor-intensive to assemble and disassemble because the generator is large and heavy, but it is also costly to use a generator to start the vehicle. Therefore, an auxiliary starting device is needed for starting the range extender during factory testing. Utility Model Content

[0004] The purpose of this utility model is to provide an auxiliary starting fixture for testing automotive range extenders, which enables the range extender to be started and tested without the need for an automotive motor.

[0005] This utility model is achieved through the following technical solution: an auxiliary starting tool for testing an automobile range extender, used to assist in starting the range extender, including a starter motor and a connecting part, wherein the starter motor is mounted on the cylinder of the range extender;

[0006] The connector is detachably mounted on the flywheel of the range extender, and the connector is connected to the output end of the starter motor.

[0007] Furthermore, the connector includes a connecting body, one end of which is provided with a docking cavity, and the flywheel is fitted into the docking cavity.

[0008] Furthermore, the bottom of the docking cavity is provided with a number of protrusions in an annular arrangement, and the end face of the flywheel is provided with a number of grooves in an annular arrangement, with the number of protrusions respectively engaging with the number of grooves.

[0009] Furthermore, the connecting body is provided with a number of positioning pins in a ring array, and the end face of the flywheel is provided with a number of pin holes, with one end of each positioning pin placed in one of the pin holes.

[0010] Furthermore, the connecting body is fixed to the flywheel by a number of bolts.

[0011] Furthermore, a toothed ring is provided on the connecting body;

[0012] The output end of the starter motor is provided with a drive gear, which meshes with the gear ring.

[0013] Furthermore, it also includes a mounting bracket, on which the starter motor is fixed, and the mounting bracket is fixed to the cylinder of the range extender by a plurality of screws.

[0014] The technical solution of this utility model has at least the following advantages and beneficial effects:

[0015] A connecting piece with a gear ring is installed on the flywheel of the range extender, and a small starter motor is installed on the cylinder of the range extender. The output end of the starter motor meshes with the gear ring through a drive gear, thereby enabling the starter motor to drive the flywheel to rotate and start the range extender, which facilitates various tests of the range extender. This device has a simple structure, is small and light, and is easy to manufacture. Compared with using an automotive motor for starting, it can effectively reduce the cost of use. Assembly and disassembly are convenient and quick, improving efficiency and reducing the labor intensity of employees. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A three-dimensional structural diagram of an auxiliary starting tool for testing an automobile range extender, provided by this utility model, mounted on the range extender;

[0018] Figure 2 A side view of the auxiliary starting fixture for testing an automobile range extender, provided by this utility model, mounted on the range extender.

[0019] Figure 3 A schematic diagram of the connecting component in an auxiliary starting fixture for testing an automobile range extender provided by this utility model;

[0020] Figure 4 A schematic diagram of the flywheel structure in an auxiliary starting fixture for testing an automobile range extender provided by this utility model;

[0021] Icons: 1. Starter motor, 11. Drive gear, 12. Mounting bracket, 2. Connector, 21. Connecting body, 211. Docking cavity, 212. Protrusion, 22. Positioning pin, 23. Bolt, 24. Gear ring, 3. Range extender, 31. Cylinder block, 32. Flywheel, 321. Groove, 33. Pin hole. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0024] Reference Figures 1 to 4 As shown, this embodiment provides an auxiliary starting fixture for testing a vehicle range extender, used to assist in starting the range extender 3. It includes a starter motor 1 and a connector 2. The starter motor 1 is mounted on the cylinder 31 of the range extender 3. More specifically, the starter motor 1 is fixed on a mounting bracket 12, and the mounting bracket 12 is fixed to the cylinder 31 of the range extender 3 by a number of screws.

[0025] The connector 2 is detachably mounted on the flywheel 32 of the range extender 3, and the connector 2 is connected to the output end of the starter motor 1.

[0026] In specific implementation, such as Figure 1 and Figure 2 As shown, the connector 2 includes a connecting body 21, one end of which is provided with a docking cavity 211, and the flywheel 32 is fitted into the docking cavity 211. When the range extender 3 needs to be tested, the range extender 3 is first placed on the mounting tray, then the tray is placed on the testing frame and fixed to the testing frame. Then, various electrical lines are connected to the range extender 3, and then the connector 2 is docked with the flywheel 32 of the range extender 3.

[0027] like Figures 1-4As shown, several protrusions 212 are arranged in a ring at the bottom of the docking cavity 211, and several grooves 321 are arranged in a ring on the end face of the flywheel 32. After the connecting body 21 and the flywheel 32 are docked, the protrusions 212 need to be engaged with the grooves 321 respectively. Then, the torque is transmitted by the cooperation of the supporting protrusions 212 and the grooves 321, so that the connecting body 21 can drive the flywheel 32 to rotate and start the range extender 3.

[0028] More specifically, such as Figures 2-4 As shown, the connecting body 21 is provided with a number of positioning pins 22 in a ring array, and the end face of the flywheel 32 is provided with a number of pin holes 33. One end of a positioning pin 22 is placed in a pin hole 33. The positioning pin 22 can facilitate the quick positioning of the connecting body 21 and the flywheel 32, so that the number of protrusions 212 can quickly dock with the number of grooves 321, and can also transmit the torque between the two.

[0029] like Figures 2-4 As shown, after the connecting body 21 and the flywheel 32 are in place, several bolts 23 are used to fix the connecting body 21 and the flywheel 32 to ensure that the connection between the two is tight and will not separate from the flywheel 32 after the range extender 3 starts, thus ensuring the stability and safety of the connection during the start-up process.

[0030] More specifically, such as Figures 1-4 As shown, a gear ring 24 is provided on the connecting body 21, and a drive gear 11 is provided at the output end of the starter motor 1. The drive gear 11 meshes with the gear ring 24. In specific implementation, while fixing the connecting bracket to the cylinder 31 of the range extender 3, the drive gear 11 meshes with the gear ring 24. Then, only the small starter motor 1 is needed to drive the flywheel 32 to rotate and start the range extender 3, which facilitates various tests of the range extender 3 in the future.

[0031] In summary, this device has a simple structure, is small and lightweight, and is easy to manufacture. Compared with using a vehicle motor for starting, it can effectively reduce the cost of use. Assembly and disassembly are convenient and quick, improving efficiency and reducing the labor intensity of employees.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An auxiliary starting fixture for testing a vehicle range extender, used to assist in starting the range extender (3), characterized in that: It includes a starter motor (1) and a connector (2), wherein the starter motor (1) is mounted on the cylinder (31) of the range extender (3); The connector (2) is detachably mounted on the flywheel (32) of the range extender (3), and the connector (2) is connected to the output end of the starter motor (1) via a transmission. The connector (2) includes a connecting body (21), one end of which is provided with a docking cavity (211), and the flywheel (32) is fitted into the docking cavity (211); The bottom of the docking cavity (211) is provided with a number of protrusions (212) in an annular arrangement, and the end face of the flywheel (32) is provided with a number of grooves (321) in an annular arrangement, and the number of protrusions (212) respectively engage with the number of grooves (321).

2. The auxiliary starting fixture for testing an automobile range extender according to claim 1, characterized in that, The connecting body (21) is provided with a number of positioning pins (22) arranged in a ring array, and the end face of the flywheel (32) is provided with a number of pin holes (33), with one end of the positioning pin (22) placed in one of the pin holes (33).

3. The auxiliary starting fixture for testing an automobile range extender according to claim 1, characterized in that, The connecting body (21) is fixed to the flywheel (32) by a number of bolts (23).

4. An auxiliary starting fixture for testing an automobile range extender according to any one of claims 1-3, characterized in that, A toothed ring (24) is provided on the connecting body (21); The output end of the starter motor (1) is provided with a drive gear (11), which meshes with the gear ring (24).

5. The auxiliary starting fixture for testing an automobile range extender according to claim 4, characterized in that, It also includes a mounting bracket (12), on which the starter motor (1) is fixed, and the mounting bracket (12) is fixed to the cylinder (31) of the range extender (3) by a number of screws.

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