Cold type rack of extended-range engine
By combining a motor-driven threaded rod and a hydraulic rod with a buffer and limiting structure, the engine's position adjustment and clamping are automated, solving the problems of high manpower consumption and poor adaptability of traditional bench manual operation, and improving the safety and versatility of testing.
Patent Information
- Application Number
- CN202520124770.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional engine test benches are problematic when dealing with range-extended engines. They require a lot of manpower and resources for manual operation, are prone to errors, and have poor adaptability. They are also unable to meet the height and clamping requirements of different models and sizes of engines.
The system employs a combination of motor-driven threaded rods and hydraulic rods to achieve automatic movement and height adjustment of the engine. Combined with a buffer pad, springs, and limit groove structure, it ensures stability and safety. The system also utilizes a two-way screw and clamping blocks to reliably clamp engines of different sizes.
It reduces labor costs and operational errors, improves the safety and accuracy of testing, enhances the versatility and compatibility of the test bench, and ensures the engine is securely fixed during testing.
Smart Images
Figure CN223783906U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of engine test bench technology, specifically a cold test bench for a range-extended engine. Background Technology
[0002] Against the backdrop of rapid development in the automotive industry and energy transition, range-extended engines, as a key technology combining traditional fuel engines and electric drive systems, are gradually emerging. Their working principle is that the engine does not directly participate in driving the vehicle, but charges the battery and then drives the electric motor to drive the vehicle. This unique working method combines the continuous range of fuel engines with the high efficiency and low emission advantages of electric drives.
[0003] Traditional engine test benches have revealed many limitations when dealing with range-extended engines. In terms of engine position adjustment, they have previously relied on manual operation, which not only consumes a lot of manpower and resources, but is also prone to operational errors due to human factors, which may damage both the engine and the test bench itself. At the same time, different models and sizes of engines place stringent requirements on the compatibility of the test bench. Traditional test benches are often unable to be adjusted flexibly and cannot meet the height and clamping requirements of various engines. Therefore, we propose a cold test bench for range-extended engines. Utility Model Content
[0004] The purpose of this invention is to provide a cold test bench for range-extended engines.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a range-extended engine cold test bench, including an operating table, wherein a sliding assembly is provided on the front side of the operating table;
[0006] The sliding assembly includes a motor, a threaded rod, a movable plate, a connecting block, and rollers. The front of the operating platform has a mounting groove, in which the motor is installed. A slide rail is mounted on the front of the operating platform, and the movable plate is located above the slide rail. Four sets of rollers are provided, all mounted on the bottom surface of the movable plate. The rollers are positioned inside the slide rail. The connecting block is installed in the middle of the bottom surface of the movable plate. One end of the threaded rod is fixedly connected to the output end of the motor, and the other end is movably connected to the inner side of the slide rail. The threaded rod passes through the surface of the connecting block.
[0007] As a further embodiment of this utility model: a buffer pad is installed in the middle of the back of the movable plate, and a placement groove is opened on the back of the movable plate. A spring is installed on the bottom surface of the placement groove, and a contact block is installed on the other end of the spring. Limiting grooves are opened on both sides of the inner wall of the placement groove, and limiting blocks are installed on both sides of the outer wall of the contact block. The limiting blocks are adapted to the limiting grooves.
[0008] As a further embodiment of this utility model: a lifting and clamping assembly is provided above the movable plate. The lifting and clamping assembly includes a lifting frame, a hydraulic rod, a base, a support platform, a two-way lead screw, a movable block, a slider, and a clamping block. The lifting frame is installed on the top of the movable plate, the base is installed on the front side of the movable plate, the bottom of the hydraulic rod is installed inside the base, the upper end of the hydraulic rod is installed on the surface of the lifting frame, the support platform is installed on the upper end of the lifting frame, a slot is provided in the middle of the support platform, the two-way lead screw is movably installed in the slot, the movable block is installed on both sides of the two-way lead screw, and sliding grooves are provided on both sides of the support platform. The slider is set in the sliding groove, and the inner side of the slider is fixedly connected to the outer side of the movable block. The clamping block is installed on the top of the slider.
[0009] As a further embodiment of this utility model: a drive shaft is fixedly connected to one end of the bidirectional lead screw, the drive shaft passes through one side of the support platform, a handwheel is installed at one end of the drive shaft, and anti-slip pads are evenly installed on the inner side of the clamping block.
[0010] As a further embodiment of this utility model: a support frame is installed on the operating table, a rotor is installed inside the support frame, and detectors are installed on both sides of the rotor.
[0011] As a further embodiment of this utility model, a connection port is provided on the front side of the rotor.
[0012] As a further embodiment of this utility model: a controller is installed on the back of the operating table, and the controller is equipped with buttons and a display screen.
[0013] Compared with the prior art, the beneficial effects of this utility model by adopting the above technical solution are as follows:
[0014] 1. This utility model uses a motor to drive the threaded rod to rotate, which in turn moves the connecting block and the movable plate on the slide rail to achieve position adjustment. This reduces the need for manpower, reduces labor costs and labor intensity, and avoids damage to the engine and the test bench caused by human operation errors. At the same time, it can automatically move the engine to be tested to the front of the operating table. Through the combination of buffer pads, springs and contact blocks on the back of the movable plate, as well as the cooperation of limit grooves and limit blocks, the collision energy is converted into elastic potential energy when in contact with the operating table, reducing the impact force on the equipment and enhancing the overall stability and safety.
[0015] 2. This utility model utilizes the movement of a hydraulic rod to achieve the lifting and lowering operation of the lifting frame, enabling engines of different models to be raised to the required height. This facilitates the alignment of the engine with the rotor above the operating platform, avoiding the difficulties of manual handling. Through the cooperation of a double-acting screw, movable block, slider, and clamping block, rotating the handwheel drives the double-acting screw to rotate, causing the movable block to move towards or away from the screw, thereby moving the clamping block. This achieves reliable clamping of engines of different sizes, improving the compatibility and versatility of the test bench. Furthermore, the anti-slip pads on the inner side of the clamping block increase friction, ensuring that the engine is firmly fixed during testing and preventing displacement due to vibration or other external forces, thus guaranteeing the safety and accuracy of the test.
[0016] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description
[0017] Figure 1 This is an overall schematic diagram of an embodiment of the present utility model;
[0018] Figure 2 for Figure 1 Enlarged diagram of A in the middle;
[0019] Figure 3 This is a schematic diagram of the overall bottom surface in an embodiment of this utility model;
[0020] Figure 4 This is a cross-sectional schematic diagram of the movable plate portion in an embodiment of this utility model;
[0021] Figure 5 for Figure 4 Enlarged diagram of B in the diagram.
[0022] In the diagram: 1. Control panel; 2. Sliding assembly; 21. Motor; 22. Threaded rod; 23. Movable plate; 24. Connecting block; 25. Roller; 26. Slide rail; 27. Buffer pad; 28. Spring; 29. Contact block; 3. Lifting and clamping assembly; 31. Lifting frame; 32. Hydraulic rod; 33. Base; 34. Support platform; 35. Two-way lead screw; 36. Movable block; 37. Slider; 38. Clamping block; 39. Handwheel; 5. Rotor; 6. Controller. Detailed Implementation
[0023] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that the description of these embodiments is for the purpose of helping to understand this utility model, but does not constitute a limitation on this utility model.
[0024] Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0025] Please see the appendix Figure 1 - Appendix Figure 5 This utility model discloses a cold-type test bench for a range-extended engine, including an operating platform 1. A sliding assembly 2 is installed on the front side of the operating platform 1. The sliding assembly 2 mainly consists of a motor 21, a threaded rod 22, a movable plate 23, a connecting block 24, and rollers 25. A mounting groove is provided on the front of the operating platform 1, and the motor 21 is installed in the mounting groove. A slide rail 26 is also installed on the front side of the operating platform 1, and the movable plate 23 is positioned precisely on the slide rail 26. To ensure smooth movement of the movable plate 23, four sets of rollers 25 are installed on its bottom surface. These rollers 25 are tightly fitted with the slide rail 26, allowing for smooth movement. The connecting block 24 is installed in the middle of the bottom surface of the movable plate 23, tightly connecting the two. One end of the threaded rod 22 is fixedly connected to the output end of the motor 21, while the other end is movably connected to the inside of the slide rail 26 and precisely passes through the connecting block 24. When the motor 21 starts and drives the threaded rod 22 to rotate, the connecting block 24 will move accordingly, thereby pushing the movable plate 23 to move precisely on the slide rail 26. This ingenious design realizes the automatic movement of the engine under test, reduces labor costs, reduces human operation errors, and greatly improves the ease of use and safety of the test bench.
[0026] In embodiment one, a buffer pad 27 is installed in the middle of the back of the movable plate 23. A placement groove is opened on the back of the movable plate 23, and a spring 28 is installed on the bottom surface of the placement groove. A contact block 29 is installed on the other end of the spring 28. Limiting grooves are opened on both sides of the inner wall of the placement groove, and limiting blocks are installed on both sides of the outer wall of the contact block 29. The limiting blocks are adapted to the limiting grooves. A lifting and clamping assembly 3 is provided above the movable plate 23. The lifting and clamping assembly 3 includes a lifting frame 31, a hydraulic rod 32, a base 33, a support platform 34, a two-way lead screw 35, a movable block 36, a slider 37, and a clamping block 38. 1. Installed on the upper part of the movable plate 23, the base 33 is installed on the front side of the upper part of the movable plate 23, the bottom of the hydraulic rod 32 is installed in the base 33, the upper end of the hydraulic rod 32 is installed on the surface of the lifting frame 31, the support platform 34 is installed on the upper end of the lifting frame 31, the support platform 34 has a slot in the middle, the double-acting screw 35 is movably installed in the slot, the movable block 36 is installed on both sides of the double-acting screw 35, the support platform 34 has a sliding groove on both sides, the slider 37 is set in the sliding groove, and the inner side of the slider 37 is fixedly connected to the outer side of the movable block 36, and the clamping block 38 is installed on the upper part of the slider 37;
[0027] Specifically, a buffer pad 27 is installed in the middle of the back of the movable plate 23 to cushion the contact between the movable plate 23 and the contact block 29. Multiple placement slots are evenly distributed on both sides of the buffer pad 27. A spring 28 is installed at the bottom of each placement slot, and the other end of the spring 28 is connected to the contact block 29. Limiting slots are provided on both sides of the inner wall of the placement slot, corresponding to limiting blocks installed on both sides of the outer wall of the contact block 29. The two fit precisely; in the event of a collision, the contact block 29 is compressed, the spring 28 contracts, converting the impact force into elastic potential energy. The limiting slots and limiting blocks ensure stable movement of the contact block 29, preventing abnormal displacement and enhancing overall stability. Above the movable plate 23, the lifting clamping assembly 3 further enhances the functionality of the platform. The lifting frame 31 is stably placed on the movable plate 23. The bottom of the hydraulic rod 32 is embedded in the base 33, and the upper end is connected to the lifting frame 31. Through hydraulic extension and retraction, different heights can be easily adjusted to meet the testing needs of various engines. The support platform 34 is located at the top of the lifting frame 31. In the hollow groove in the middle of its upper part, the double-acting screw 35 moves flexibly. The movable blocks 36 installed on both sides of the double-acting screw 35 are closely connected to the sliders 37 in the sliding grooves on both sides of the support platform 34. The clamping blocks 38 are installed on the sliders 37. By rotating the double-acting screw 35, the opening and closing of the clamping blocks 38 can be precisely controlled to achieve reliable clamping of engines of different sizes, ensuring that the engine is stable and without displacement during the test, which greatly improves the versatility and safety of the test bench.
[0028] In embodiment 2, a drive shaft is fixedly connected to one end of a bidirectional lead screw 35. The drive shaft passes through one side of a support platform 34. A handwheel 39 is installed at one end of the drive shaft. Anti-slip pads are evenly installed on the inner side of the clamping block 38. A support frame is installed on the operating table 1. A rotor 5 is installed inside the support frame. Detectors are installed on both sides of the rotor 5. A connection port is provided on the front side of the rotor 5. A controller 6 is installed on the back of the operating table 1. The controller 6 is equipped with buttons and a display screen.
[0029] Specifically, one end of the bidirectional lead screw 35 is securely connected to the drive shaft and passes through one side of the support platform 34. A handwheel 39 is installed at the drive shaft end for easy operation. The anti-slip pad on the inner side of the clamping block 38 ensures a good clamping effect. The support frame on the operating table 1 plays an important supporting role. Detectors are installed on both sides of the rotor 5 inside the frame to accurately detect relevant data. The connection port on the front of the rotor 5 is used to connect to the engine. On the back of the operating table 1, the buttons on the controller 6 allow for operation input, and the display screen clearly displays various information, providing a convenient operation and information display interface for the entire testing operation.
[0030] Working principle:
[0031] First, the motor 21 in the sliding assembly 2 is started. The motor 21 drives the threaded rod 22 to rotate, and the connecting block 24, which is threaded to the threaded rod 22, moves accordingly. This, in turn, pushes the movable plate 23 to slide smoothly on the slide rail 26, automatically transporting the engine to be tested to the designated position, effectively reducing manual operation and errors. When the movable plate 23 moves to the front of the operating table 1, the buffer structure on its back plays its role. The contact block 29 is compressed, and the spring 28 contracts to convert the impact force. The limit groove and the limit block ensure the stable movement of the contact block 29, protecting the equipment. Next, using the lifting clamping assembly 3, the hydraulic rod 32 is started. The extension and retraction of the hydraulic rod 32 drives the lifting frame 31 to rise or fall, accurately lifting the engine to the required height. For easy docking, the bidirectional lead screw 35 is rotated, which drives the movable blocks 36 on both sides to move, and then moves the clamping block 38 through the slider 37, so as to reliably clamp engines of different sizes. The anti-slip pad on the inside of the clamping block 38 can effectively prevent the engine from shifting during the test. After that, the engine is connected to the rotor 5 through the connection port on the front side of the rotor 5. The detectors on both sides of the rotor 5 start to work, accurately detecting various parameters during the engine operation. At the same time, the operator can input commands through the buttons on the controller 6 on the back of the control panel 1 to adjust the equipment operation status in real time. The display screen clearly displays the detection data, equipment operation status and other information. At this point, the entire workflow is completed.
[0032] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0033] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.
[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments.
[0035] For those skilled in the art, various changes, modifications, substitutions, and alterations to these embodiments without departing from the principles and spirit of this utility model will still fall within the protection scope of this utility model.
Claims
1. A cold test bench for a range-extended engine, comprising an operating platform (1), characterized in that: A sliding assembly (2) is provided on the front side of the operating table (1); The sliding assembly (2) includes a motor (21), a threaded rod (22), a movable plate (23), a connecting block (24), and rollers (25). The operating table (1) has a mounting groove on its front side, and the motor (21) is installed in the mounting groove. The operating table (1) has a slide rail (26) installed on its front side, and the movable plate (23) is located on top of the slide rail (26). There are four sets of rollers (25), and all rollers (25) are installed on the bottom surface of the movable plate (23). The rollers (25) are located inside the slide rail (26). The connecting block (24) is installed in the middle of the bottom surface of the movable plate (23). One end of the threaded rod (22) is fixedly connected to the output end of the motor (21), and the other end of the threaded rod (22) is movably connected to the inside of the slide rail (26). The threaded rod (22) passes through the surface of the connecting block (24).
2. The range-extender engine cold test bench according to claim 1, characterized in that: A buffer pad (27) is installed in the middle of the back of the movable plate (23). A placement groove is opened on the back of the movable plate (23). A spring (28) is installed on the bottom surface of the placement groove. A contact block (29) is installed on the other end of the spring (28). Limiting grooves are opened on both sides of the inner wall of the placement groove. Limiting blocks are installed on both sides of the outer wall of the contact block (29). The limiting blocks are adapted to the limiting grooves.
3. The range-extender engine cold test bench according to claim 1, characterized in that: A lifting and clamping assembly (3) is provided above the movable plate (23). The lifting and clamping assembly (3) includes a lifting frame (31), a hydraulic rod (32), a base (33), a support platform (34), a two-way lead screw (35), a movable block (36), a slider (37), and a clamping block (38). The lifting frame (31) is installed on the top of the movable plate (23), the base (33) is installed on the front side of the upper part of the movable plate (23), and the bottom of the hydraulic rod (32) is installed inside the base (33). The end is installed on the surface of the lifting frame (31), the support platform (34) is installed on the upper end of the lifting frame (31), the support platform (34) has a slot in the middle, the double-acting screw (35) is movably installed in the slot, the movable block (36) is installed on both sides of the double-acting screw (35), the support platform (34) has a sliding groove on both sides, the slider (37) is set in the sliding groove, and the inner side of the slider (37) is fixedly connected to the outer side of the movable block (36), and the clamping block (38) is installed on the slider (37).
4. The range-extender engine cold test bench according to claim 3, characterized in that: One end of the bidirectional lead screw (35) is fixedly connected to a drive shaft, which passes through one side of the support platform (34). A handwheel (39) is installed at one end of the drive shaft, and anti-slip pads are evenly installed on the inner side of the clamp (38).
5. The range-extender engine cold test bench according to claim 1, characterized in that: The operating table (1) is equipped with a support frame, and a rotor (5) is installed on the inner side of the support frame. Detectors are installed on both sides of the rotor (5).
6. The range-extender engine cold test bench according to claim 5, characterized in that: A connection port is provided on the front side of the rotor (5).
7. The range-extender engine cold test bench according to claim 1, characterized in that: The control panel (1) is equipped with a controller (6) on its back, and the controller (6) is equipped with buttons and a display screen.