Automobile power assembly test tool
By designing an automotive powertrain testing fixture that includes temperature detection and fire suppression components, the problems of lack of protective measures and adaptability to engines of different sizes in engine testing have been solved, achieving high-temperature protection and multi-size adaptability testing capabilities.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YOUKE (JIANGSU) TESTING & CERTIFICATION CO LTD
- Filing Date
- 2025-06-16
- Publication Date
- 2026-04-17
AI Technical Summary
Existing engine testing tools lack protective measures and are not suitable for testing engines of different sizes.
A test fixture for automotive powertrains was designed, comprising an upper support and a lower support, equipped with a temperature detection device and a fire extinguishing component for high-temperature protection; and capable of fixing and adapting to engines of different sizes through an adjustment module and a hydraulic cylinder system.
It achieves high-temperature protection for the engine and adapts to the testing needs of engines of different sizes, improving the safety and versatility of the test.
Smart Images
Figure CN224136899U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of engine testing tools, specifically to a testing fixture for automotive powertrains. Background Technology
[0002] Engine diagnostic tools are essential equipment for evaluating and diagnosing engine performance and faults, and are widely used in automotive repair, testing, and maintenance. Common engine diagnostic tools include engine performance analyzers, OBD2 diagnostic tools, cylinder pressure gauges, tachometers, oil pressure gauges, smoke leak detectors, engine oscilloscopes, ignition system testers, and fuel injector testers. These tools can detect and analyze key parameters of the engine such as power, torque, cylinder sealing, ignition system, fuel injection system, and emissions, helping technicians quickly locate faults and perform repairs.
[0003] A test fixture for a vertical engine of a miniature car, as disclosed in announcement number CN212059362U, includes a platform. Two vertically arranged guide rods are slidably connected to both sides of the top of the platform. A horizontally arranged limiting rod is fixedly connected to the top of the two guide rods on the same side. A pressure plate is slidably sleeved on the outer side of the limiting rod, and an insert rod is fixedly connected to the bottom of the pressure plate. A vertical plate is fixedly connected to the bottom of the platform. Two sprockets are rotatably connected to the front of the vertical plate, and the same chain is driven through the two sprockets. The bottom ends of the two guide rods on the same side extend to the bottom of the platform and are fixedly connected to a horizontal frame. This invention is reasonably designed, enabling convenient and quick fixation of a vertical engine of a miniature car on the platform. The clamping is stable and reliable, unlikely to damage the bolt fixing plates on the engine, and the testing time is short, thus improving testing efficiency. It is extremely suitable for use in engine testing.
[0004] The aforementioned device lacks protective measures during use and cannot be used to test engines of different sizes; therefore, we propose an automotive powertrain testing fixture to address the problems mentioned above. Utility Model Content
[0005] The purpose of this invention is to provide a testing fixture for automotive powertrains to solve the problems mentioned in the background art, such as the lack of protective measures and the inability to test engines of different sizes.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a test fixture for an automotive powertrain, comprising a base, guide grooves symmetrically formed on both sides of the upper end of the base, an adjustment module disposed within the guide grooves, a support seat disposed at the front end of the base, a first manual adjustment device disposed within the support seat, a support device disposed above the first manual adjustment device, the support device comprising a lower support member and an upper support member, guide grooves symmetrically formed within the support seat, a lower support member disposed within the guide grooves, the upper support member disposed below the adjustment module, a second protective device disposed within the support seat, the second protective device disposed below the lower support member, and first protective devices disposed on both sides of the upper support member.
[0007] Preferably, the adjustment module includes a lifting device, an electric adjustment device, a support frame, and a fixing plate. The support frame is disposed in a guide groove. An electric adjustment device is disposed at the lower end of the support frame. A lifting device is disposed at the lower side of the upper end of the support frame. The lifting device includes a guide rod and a hydraulic cylinder. The hydraulic cylinder is disposed at the lower end of the support frame. A fixing plate is disposed at the lower end of the hydraulic cylinder. Four sets of guide rods are evenly disposed in four groups on the hydraulic cylinder. The upper ends of the four sets of guide rods all pass through and extend to the upper end of the support frame.
[0008] Preferably, the first protection device includes a fire extinguishing agent tank and fire extinguishing components. The fire extinguishing agent tank is provided in two sets, and four sets are symmetrically arranged on both sides of the fixing plate. Multiple sets of fire extinguishing components are provided at the lower end of the fire extinguishing agent tank, and the multiple sets of fire extinguishing components are evenly arranged at the lower end of the fire extinguishing agent tank.
[0009] Preferably, the second protection device includes a water storage tank, a water spray assembly, and spray heads. The water storage tank is installed in a support base, and a water spray assembly is installed on the upper end of the water storage tank. Multiple sets of spray heads are installed on the upper end of the water spray assembly, and the multiple sets of spray heads are evenly distributed on the upper end of the water spray assembly.
[0010] Preferably, the lower support includes a fixed frame, a movable frame, a second manual adjustment device, a first clamp, and a docking frame. The fixed frame is disposed in the middle of the support base. Two sets of movable frames are symmetrically arranged on the front and rear sides of the fixed frame. A docking frame is disposed inside both the fixed frame and the movable frame. A first clamp is disposed at the upper end of each docking frame. The first clamps are symmetrically arranged at the upper end of the docking frame. A second manual adjustment device is disposed inside the upper end of the docking frame. Both sets of first clamps are disposed inside the second manual adjustment device.
[0011] Preferably, the upper support includes an adjusting seat, a second clamp, and a third manual adjusting device. The adjusting seat is provided in three sets and is evenly arranged at the lower end of the fixed plate. Each adjusting seat is provided with a third manual adjusting device, and each third manual adjusting device is symmetrically provided with two sets of second clamps.
[0012] Preferably, both the first clamp and the second clamp are provided with anti-slip pads.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) This utility model has a first protective device symmetrically arranged on both sides of the upper support member. The temperature detection device connected to the engine surface transmits the real-time temperature to the signal receiver set in the fire extinguishing agent tank. When the threshold is exceeded, multiple fire extinguishing components are automatically opened to extinguish the fire on the engine surface. The lower support member set on the lower side of the engine has a second protective device. When the high temperature threshold is exceeded, the fire extinguishing components are used to cool the engine. This provides high temperature protection for the engine during testing and solves the problem of lack of protection measures.
[0015] (2) By setting the engine in the upper and lower support members, and cooperating with the upper support member set at the lower end of the adjustment module, the electric adjustment device in the adjustment module moves the support frame back and forth. In conjunction with the hydraulic cylinder set at the upper end of the support frame, the upper support member moves up and down. In conjunction with the lower support member, the engine is fixed. In conjunction with the manual adjustment device set in the upper and lower support members, the support device can cope with engines of different sizes, thus solving the problem of not being able to test engines of different sizes. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a diagram showing the movement of the adjustment module of this utility model;
[0018] Figure 3 This is a front view of the present invention;
[0019] Figure 4 This is a partial exploded view of the lower support component of this utility model;
[0020] In the diagram: 1. Base; 2. Support seat; 3. Support device; 31. Lower support component; 311. Fixed frame; 312. Moving frame; 313. Second manual adjustment device; 314. First clamp; 315. Connecting frame; 32. Upper support component; 321. Adjustment seat; 322. Second clamp; 323. Third manual adjustment device; 4. Adjustment module; 41. Support frame; 42. Fixed plate; 5. Anti-slip mat; 6. Lifting device; 61. Guide rod; 62. Hydraulic cylinder; 7. Electric adjustment device; 8. First protection device; 81. Extinguishing agent tank; 82. Extinguishing assembly; 9. Second protection device; 91. Water tank; 92. Spray assembly; 93. Spray head; 10. First manual adjustment device. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0022] Please see Figure 1-4 This utility model provides an embodiment of an automotive powertrain testing fixture, comprising a base 1, with guide grooves symmetrically formed on both sides of the upper end of the base 1, an adjustment module 4 disposed within the guide grooves, a support seat 2 disposed at the front end of the base 1, a first manual adjustment device 10 disposed within the support seat 2, a support device 3 disposed above the first manual adjustment device 10, the support device 3 comprising a lower support member 31 and an upper support member 32, the guide grooves symmetrically formed within the support seat 2, the lower support member 31 disposed within the guide grooves, the upper support member 32 disposed below the adjustment module 4, a second protection device 9 disposed within the support seat 2, the second protection device 9 disposed below the lower support member 31, and first protection devices 8 disposed on both sides of the upper support member 32. By symmetrically arranging the first protection devices 8 on both sides of the upper support member 32, and through a temperature detection device connected to the engine surface, the real-time temperature is transmitted to a signal device disposed within a fire extinguishing agent tank 81. Inside the receiver, when the threshold is exceeded, multiple fire extinguishing components 82 are automatically activated to extinguish the fire on the engine surface. In conjunction with the lower support 31 located on the lower side of the engine, a second protective device 9 is installed at the lower section. When the high temperature threshold is exceeded, this device, along with the fire extinguishing components 82, cools the engine, thus providing high-temperature protection during engine testing and solving the problem of insufficient protection measures. By placing the engine within the upper support 32 and lower support 31, and with the upper support 32 located at the lower end of the adjustment module 4, the electric adjustment device 7 within the adjustment module 4 moves the support frame 41 forward and backward. The hydraulic cylinder 62 at the upper end of the support frame 41 moves the upper support 32 up and down, and the lower support 31 fixes the engine. Combined with the manual adjustment device within the upper and lower support 31, the support device 3 can accommodate engines of different sizes, thus solving the problem of not being able to test engines of different sizes.
[0023] Please see Figure 2The adjustment module 4 includes a lifting device 6, an electric adjustment device 7, a support frame 41, and a fixing plate 42. The support frame 41 is set in a guide groove. The electric adjustment device 7 is set at the lower end of the support frame 41. The lifting device 6 is set at the lower side of the upper end of the support frame 41. The lifting device 6 includes a guide rod 61 and a hydraulic cylinder 62. The hydraulic cylinder 62 is set at the lower end of the support frame 41. The fixing plate 42 is set at the lower end of the hydraulic cylinder 62. Four sets of guide rods 61 are evenly arranged in four groups on the hydraulic cylinder 62. The upper ends of the four sets of guide rods 61 all pass through and extend to the upper end of the support frame 41, which plays an adjustment role.
[0024] Please see Figure 1 The first protective device 8 includes a fire extinguishing agent tank 81 and fire extinguishing components 82. The fire extinguishing agent tank 81 is provided with two sets, and four sets are symmetrically arranged on both sides of the fixing plate 42. Multiple sets of fire extinguishing components 82 are provided at the lower end of the fire extinguishing agent tank 81. The multiple sets of fire extinguishing components 82 are evenly arranged at the lower end of the fire extinguishing agent tank 81.
[0025] Please see Figure 3 The second protection device 9 includes a water tank 91, a water spray assembly 92, and spray heads 93. The water tank 91 is installed inside the support base 2. The water spray assembly 92 is installed on the upper end of the water tank 91. Multiple sets of spray heads 93 are installed on the upper end of the water spray assembly 92. The multiple sets of spray heads 93 are evenly distributed on the upper end of the water spray assembly 92. The first protection device 8 is symmetrically arranged on both sides of the upper support member 32. The real-time temperature is transmitted to the signal receiver installed in the fire extinguishing agent tank 81 through a temperature detection device connected to the engine surface. When the temperature exceeds the threshold, the multiple sets of fire extinguishing assemblies 82 are automatically controlled to open to extinguish the fire on the engine surface. The second protection device 9 is installed on the lower section of the lower support member 31 located on the lower side of the engine. When the high temperature threshold is exceeded, the fire extinguishing assembly 82 is used to cool down the engine, thereby providing high temperature protection for the engine during testing and solving the problem of lack of protection measures.
[0026] Please see Figure 2 The lower support member 31 includes a fixed frame 311, a movable frame 312, a second manual adjustment device 313, a first clamp 314, and a docking frame 315. The fixed frame 311 is located in the middle of the support base 2. Two sets of movable frames 312 are symmetrically arranged on the front and rear sides of the fixed frame 311. A docking frame 315 is provided in both the fixed frame 311 and the movable frame 312. A first clamp 314 is provided on the upper end of each docking frame 315. The first clamp 314 is symmetrically arranged on the upper end of the docking frame 315. A second manual adjustment device 313 is provided in the upper end of the docking frame 315. Both sets of first clamps 314 are located in the second manual adjustment device 313.
[0027] Please see Figure 3The upper support 32 includes an adjusting seat 321, a second clamp 322, and a third manual adjusting device 323. Three sets of adjusting seats 321 are evenly distributed at the lower end of the fixed plate 42. Each adjusting seat 321 contains a third manual adjusting device 323, and each third manual adjusting device 323 contains two sets of second clamps 322 symmetrically arranged. By placing the engine within the upper support 32 and the lower support 31, and cooperating with the upper support 32 at the lower end of the adjusting module 4, the electric adjusting device 7 within the adjusting module 4 moves the support frame 41 forward and backward. This, combined with the hydraulic cylinder 62 at the upper end of the support frame 41, allows the upper support 32 to move up and down, thus fixing the engine in place. The manual adjusting devices within the upper and lower support 31 enable the support device 3 to accommodate engines of different sizes, thereby solving the problem of not being able to test engines of different sizes.
[0028] Please see Figure 2 The surfaces of the first clamp 314 and the second clamp 322 are both provided with anti-slip pads 5, which serve to prevent slipping.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A test rig for a motor vehicle powertrain comprising a base (1) characterised in that: The base (1) has symmetrical guide grooves on both sides of its upper end. An adjustment module (4) is provided in the guide groove. A support seat (2) is provided at the front end of the base (1). A first manual adjustment device (10) is provided in the support seat (2). A support device (3) is provided at the upper end of the first manual adjustment device (10). The support device (3) includes a lower support member (31) and an upper support member (32). The support seat (2) has symmetrical guide grooves. A lower support member (31) is provided in the guide groove. The upper support member (32) is provided at the lower end of the adjustment module (4). A second protection device (9) is provided in the support seat (2). The second protection device (9) is provided at the lower end of the lower support member (31). A first protection device (8) is provided on both sides of the upper support member (32).
2. The test fixture of claim 1, wherein: The adjustment module (4) includes a lifting device (6), an electric adjustment device (7), a support frame (41), and a fixing plate (42). The support frame (41) is set in the guide groove. The lower end of the support frame (41) is provided with an electric adjustment device (7). The lower side of the upper end of the support frame (41) is provided with a lifting device (6). The lifting device (6) includes a guide rod (61) and a hydraulic cylinder (62). The hydraulic cylinder (62) is set at the lower end of the support frame (41). The lower end of the hydraulic cylinder (62) is provided with a fixing plate (42). The hydraulic cylinder (62) has four sets of guide rods (61) evenly arranged in four groups. The upper ends of the four sets of guide rods (61) all penetrate and extend to the upper end of the support frame (41).
3. The test fixture of claim 2, wherein: The first protection device (8) includes a fire extinguishing agent tank (81) and fire extinguishing components (82). The fire extinguishing agent tank (81) is provided with two sets, and four sets are symmetrically arranged on both sides of the fixing plate (42). Multiple sets of fire extinguishing components (82) are provided at the lower end of the fire extinguishing agent tank (81). The multiple sets of fire extinguishing components (82) are evenly arranged at the lower end of the fire extinguishing agent tank (81).
4. The test fixture of claim 3, wherein: The second protection device (9) includes a water storage tank (91), a water spray assembly (92), and a spray head (93). The water storage tank (91) is installed in the support base (2). The water spray assembly (92) is installed on the upper end of the water storage tank (91). Multiple sets of spray heads (93) are installed on the upper end of the water spray assembly (92). The multiple sets of spray heads (93) are evenly distributed on the upper end of the water spray assembly (92).
5. The test fixture of claim 4, wherein: The lower support member (31) includes a fixed frame (311), a movable frame (312), a second manual adjustment device (313), a first clamp (314), and a docking frame (315). The fixed frame (311) is located in the middle of the support base (2). Two sets of movable frames (312) are symmetrically arranged on the front and rear sides of the fixed frame (311). A docking frame (315) is provided in both the fixed frame (311) and the movable frame (312). A first clamp (314) is provided on the upper end of each docking frame (315). The first clamps (314) are symmetrically arranged on the upper end of the docking frame (315). A second manual adjustment device (313) is provided in the upper end of the docking frame (315). Both sets of first clamps (314) are located in the second manual adjustment device (313).
6. The test fixture of claim 5, wherein: The upper support (32) includes an adjustment seat (321), a second clamp (322), and a third manual adjustment device (323). The adjustment seat (321) is provided in three sets and is evenly arranged at the lower end of the fixed plate (42). Each adjustment seat (321) is provided with a third manual adjustment device (323), and each third manual adjustment device (323) is symmetrically provided with two sets of second clamps (322).
7. The test fixture of claim 6, wherein: The surfaces of the first clamp (314) and the second clamp (322) are both provided with anti-slip pads (5).