A new energy automobile rear axle assembly test drive high-voltage power supply quick docking tool
Patent Information
- Application Number
- CN202521670791.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-07
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2035-08-07
AI Technical Summary
[0007]潜在损伤风险： 反复的螺栓拧紧/松开操作可能导致电机接线柱螺纹磨损或滑丝
[0016] The beneficial effects of this utility model are as follows: The rapid connection tooling for high-voltage power supply during the testing of the rear axle assembly of a new energy vehicle, as described in this utility model, enables the supply of DC high-voltage power to the motor during the testing of the new energy rear axle assembly, achieving rapid connection and safe power supply. It replaces the traditional method of manually connecting the motor's DC high-voltage wire to the power supply using wrenches and bolts, reducing the operator's labor intensity and improving operator safety.
Smart Images
Figure CN224733182U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of new energy testing, and in particular to a quick docking tool for high-voltage power supply during the test run of a new energy vehicle rear axle assembly. Background Technology
[0002] The rear axle assembly of new energy vehicles typically includes core components such as a drive motor, reducer, and differential. After assembly, it requires rigorous performance testing, including no-load, load, and NVH (noise, vibration, and harshness) tests, to verify its functionality, efficiency, and reliability. These tests usually involve applying high-voltage electrical energy, such as hundreds of volts of DC or AC power from a factory transformer, to the drive motor in the rear axle assembly under simulated real-world operating conditions.
[0003] Currently, when testing the power supply cable of the rear axle assembly's motor, a traditional wiring method is commonly used. The common practice is to directly connect and secure the power cable terminals to the motor's power terminals using bolts. This method has the following significant problems: The process is cumbersome and time-consuming: Before and after each test, manual tightening and loosening of bolts using tools such as wrenches is required. For production lines or test benches that require frequent changes of test samples or multiple rounds of testing, this repetitive bolt tightening operation greatly reduces testing efficiency and becomes a bottleneck in production cycle time.
[0004] Electrical safety hazards exist: High-voltage wiring operations are inherently risky. During the tightening or loosening of bolts, improper tool use or operational errors can easily cause sparking or short circuits between terminals, and even pose a threat of electric shock to operators. Exposed live terminals also increase the risk of accidental contact.
[0005] Connection reliability depends on human skill: The tightness of bolt connections relies entirely on the operator's experience and sense of responsibility. A connection that is too loose may lead to increased contact resistance, overheating, or even burning of the connection point; a connection that is too tight may damage the terminal threads.
[0006] High labor intensity for workers: Frequent bolt tightening operations place a significant physical burden on workers, especially when test pieces need to be turned over quickly.
[0007] Potential damage risk: Repeated bolt tightening / loosening operations may cause wear or stripping of the motor terminal threads.
[0008] Therefore, there is an urgent need to develop a special tooling for the high-voltage power supply link of the rear axle assembly test of new energy vehicles, which can realize the rapid, safe and reliable connection and disconnection of the power supply, significantly improve test efficiency, reduce the labor intensity of operators and electrical safety risks, and ensure the stability and consistency of the connection. Utility Model Content
[0009] One of the objectives of this invention is to provide a quick-connect fixture for high-voltage power supply to the rear axle of new energy vehicles, enabling the supply of DC high-voltage power to the motor during the testing of the new energy rear axle assembly. This replaces the traditional method of manually connecting the motor's DC high-voltage wire to the power supply using wrenches and bolts, reducing the operator's workload and improving operator safety.
[0010] The second objective of this utility model is to provide a quick-connect clamp for high-voltage power supply to the rear axle of new energy vehicles, enabling rapid connection of cables for various types of motors, and achieving rapid access and safe power supply.
[0011] To achieve one of the objectives of this utility model, the technical solution adopted by this utility model is as follows: A quick-connection tooling for high-voltage power supply during the test run of a rear axle assembly of a new energy vehicle includes a quick-connection assembly and a power supply assembly; The quick-fit assembly includes: a manual clamp, an insulated nylon connecting block, and an insulated nylon clamping post; The power supply components include: a power connector, a cable, an insulated nylon mounting base, and a conductive copper block; The power connector is connected to the transformer power supply through the connector, the conductive copper block is pressed into the hole of the insulating nylon fixing seat, and one end of the cable is fixed in the conductive copper block by bolts; The insulating nylon pressure column is fixed to the insulating nylon connecting block by bolts; the manual clamp is fixed to the insulating nylon fixing seat by bolts; the insulating nylon connecting block is fixed to the manual clamp by bolts.
[0012] Furthermore, the power connector is connected to the output power port of the workshop transformer via a quick-connect plug. When the handle of the manual clamp is lifted, the power cord of the new energy motor is placed on the conductive copper block, and the manual clamp is manually pressed down to lock, thereby realizing the quick connection and disconnection of the power supply for the new energy rear axle drive.
[0013] Furthermore, the cable is a 95 square millimeter insulated copper wire cable.
[0014] Furthermore, the power connector plug is connected to the electrical cable.
[0015] The operating steps for the quick-connection tooling for high-voltage power supply during the test run of the rear axle assembly of a new energy vehicle are as follows: Step 1: Place the high-voltage power supply quick docking fixture for the rear axle of the new energy vehicle on one side of the test bench; Step 2: Connect the power connector to the output power port of the workshop transformer using a quick-connect plug; Step 3: Lift the handle of the manual clamp upwards, place the power cord of the new energy motor on the conductive copper block, and manually press down the manual clamp to lock it. Step 4: Turn on the power and connect the software to start driving the new energy motor; Step 5: After the test is completed, manually lift the handle of the clamp upwards to remove the new energy motor cable and end the test; Step 6: Repeat steps 3 to 5 to test the next part.
[0016] The beneficial effects of this utility model are as follows: The rapid connection tooling for high-voltage power supply during the testing of the rear axle assembly of a new energy vehicle, as described in this utility model, enables the supply of DC high-voltage power to the motor during the testing of the new energy rear axle assembly, achieving rapid connection and safe power supply. It replaces the traditional method of manually connecting the motor's DC high-voltage wire to the power supply using wrenches and bolts, reducing the operator's labor intensity and improving operator safety. Attached Figure Description
[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort. Figure 1 This is a schematic diagram of the structure of this application. Detailed Implementation
[0018] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0019] Example 1: Taking the test drive process of the Changan G393 as an example: The structure of the high-voltage power supply quick-connect fixture for the rear axle of new energy vehicles is as follows: Figure 1 As shown: The quick-connection assembly includes: a manual clamp 1, an insulated nylon connecting block 2, and an insulated nylon pressure post 3; the power supply assembly includes: a power connector 4, a 95 square millimeter insulated copper wire cable 5, an insulated nylon fixing base 6, and a conductive copper block 7.
[0020] The power connector 4 is connected to the transformer power supply through the connector. The conductive copper block 7 is pressed into the hole of the insulating nylon fixing seat 6. The 95 square millimeter insulated copper wire cable 5 is fixed to the conductive copper block 7 with bolts. The insulating nylon pressure column 3 is fixed to the insulating nylon connecting block 2 with bolts. The manual clamping device 1 is fixed to the insulating nylon fixing seat 6 with bolts. The insulating nylon connecting block 2 is fixed to the manual clamping device 1 with bolts.
[0021] The working principle of this utility model is briefly described as follows: After the rear axle assembly of the Changan G393 new energy vehicle is fully assembled, a high-voltage power supply can be quickly connected using the new energy vehicle rear axle high-voltage power supply quick docking fixture, and an electric drive test can be conducted on the test bench: Step 1: Place a high-voltage power supply quick docking fixture for the rear axle of a new energy vehicle on one side of the test bench; Step 2: Connect power connector 4 to the output power port of the workshop transformer using a quick-connect plug; Step 3: Lift the handle of manual clamp 1 upwards, place the power cord of the new energy motor at the conductive copper block 7, and manually press down and lock manual clamp 1. Step 4: Turn on the power and connect the software to start driving the new energy motor; Step 5: After the test is completed, manually tighten the handle of the clamp 1 and lift it up to remove the new energy motor cable, thus ending the test. Step 6: Repeat steps 3 to 5 to test the next part.
[0022] This invention relates to a rapid connection tooling system for high-voltage power supply during the testing of a new energy vehicle rear axle assembly. This system enables the supply of high-voltage DC power to the motor during the testing of the new energy vehicle rear axle assembly, allowing for rapid connection and safe power supply. It replaces the traditional method of manually connecting the motor's DC high-voltage wire to the power supply using wrenches and bolts, reducing operator workload and improving operator safety.
[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. A quick-connect tooling for high-voltage power supply during the test run of a rear axle assembly in a new energy vehicle, characterized in that, Includes quick-connect components and power supply components; The quick-press assembly includes: a manual presser (1), an insulating nylon connecting block (2), and an insulating nylon pressure post (3). The power supply components include: a power connector (4), a cable (5), an insulating nylon mounting base (6), and a conductive copper block (7); The power connector (4) is connected to the transformer power supply through the connector, the conductive copper block (7) is pressed into the hole of the insulating nylon fixing seat (6), and one end of the cable (5) is fixed in the conductive copper block (7) by bolts; The insulating nylon pressure column (3) is fixed to the insulating nylon connecting block (2) by bolts; the manual clamping device (1) is fixed to the insulating nylon fixing seat (6) by bolts; the insulating nylon connecting block (2) is fixed to the manual clamping device (1) by bolts.
2. The quick-connection tooling for high-voltage power supply during the test run of a new energy vehicle rear axle assembly according to claim 1, characterized in that, The power connector (4) is connected to the output power port of the workshop transformer via a quick-connect plug. When the handle of the manual clamp (1) is lifted, the power cord of the new energy motor is placed on the conductive copper block (7), and the manual clamp (1) is manually pressed down to lock, thereby realizing the quick connection and disconnection of the power supply for the new energy rear axle drive.
3. The quick-connection tooling for high-voltage power supply during the test run of a new energy vehicle rear axle assembly according to claim 1, characterized in that, The cable (5) is a 95 square millimeter insulated copper wire cable.
4. The quick-connection tooling for high-voltage power supply during the test run of a new energy vehicle rear axle assembly according to claim 1, characterized in that, The power connector (4) is electrically connected to the cable (5).