一种超高压共轨系统电磁阀动态特性响应测试台架
By designing a test bench for the dynamic characteristic response of solenoid valves in ultra-high pressure common rail systems, the problem of the limited functionality of existing devices has been solved, and comprehensive support for dynamic characteristic testing of solenoid valves has been achieved, promoting design optimization and teaching research.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NAVAL UNIV OF ENG PLA
- Filing Date
- 2025-10-16
- Publication Date
- 2026-07-17
AI Technical Summary
The existing dynamic characteristic testing devices for solenoid valves in high-pressure common rail systems are few in number and have limited functions, which cannot meet the analysis and testing needs for further design optimization.
A dynamic characteristic response test bench for solenoid valves in ultra-high pressure common rail systems was designed, including a support frame, a solenoid valve fixing assembly, an elastic beam, an adjusting plate, and a connecting assembly. Combined with a displacement sensor, it is used to accurately measure the dynamic characteristics of the solenoid valve.
It enables comprehensive testing of the dynamic characteristics of solenoid valves, supports design optimization, has a stable structure, low maintenance costs, and is suitable for teaching and research on high-pressure common rail systems for fuel engines.
Smart Images
Figure CN224518152U_ABST
Abstract
Claims
1. A test bench for dynamic characteristic response of solenoid valve of ultra-high pressure common rail system, characterized in that, Includes a support frame (1), a solenoid valve fixing assembly (2), an elastic beam (3), an adjusting plate (4), and a connecting assembly; The support frame (1) includes a base plate (10), two parallel support plates (11) perpendicular to the base plate (10), and a mounting plate (12) horizontally disposed on the top of the two support plates (11); a first mounting hole (1a) is provided in the center of the mounting plate (12). The solenoid valve fixing assembly (2) includes a positioning sleeve (20) and a locking nut (21); the positioning sleeve (20) includes an annular positioning part (201) at the bottom and a mounting cylinder (202) at the top of the annular positioning part (201). The mounting cylinder (202) is inserted into the first mounting hole (1a) from the bottom and extends out from the top. Its protruding part is provided with external threads. The locking nut (21) is tightened on the external thread section and locks the positioning sleeve (20). The elastic beam (3) is located below the mounting plate (12). The center of the elastic beam (3) is provided with a first guide hole (3a) coaxial with the mounting cylinder (202). The first guide hole (3a) is surrounded by a first through hole (3b) arranged in a ring array. The bottom of the ring positioning part (201) or the mounting plate (12) is provided with a second connecting hole (2a) directly opposite to the first through hole (3b). The two ends of the elastic beam (3) are bent downward and extended outward to form a connecting part (30). A third connecting hole (3c) is provided on the connecting part (30). The adjusting plate (4) is horizontally set on the lower side of the elastic beam (3). The four corners of the adjusting plate (4) are respectively provided with fourth connecting holes (4a) that are directly opposite to the third connecting hole (3c). The left and right sides of the adjusting plate (4) abut against two support plates (11). The inner side of the two support plates (11) is provided with a strip-shaped limiting part (110) located below the adjusting plate (4). The bottom of the adjusting plate (4) is provided with guide plates (40) located on the front and rear sides of the strip-shaped limiting part (110). The connecting assembly includes: a first bolt group (50) inserted from the first through hole (3b) and screwed into the second connecting hole (2a), and a second bolt group (51) inserted from the third connecting hole (3c) and screwed into the fourth connecting hole (4a).
2. The test bench for dynamic response of solenoid valve of super-high pressure common rail system according to claim 1, characterized in that, It also includes a positioning plate (6) located on the lower side of the adjustment plate (4); the positioning plate (6) is provided with a sensor mounting hole (6a) coaxial with the positioning sleeve (20).
3. The test bench for dynamic response of solenoid valve of super-high pressure common rail system according to claim 1, characterized in that, The strip-shaped limiting part (110) is provided with an adjustment hole (11a) dug out from top to bottom. An adjustment spring is provided on the upper side of the adjustment hole (11a), and an adjustment bolt (53) is provided at the bottom.
4. The test bench for dynamic response of solenoid valve of super-high pressure common rail system according to claim 1, characterized in that, The top of the support plate (11) is provided with a positioning groove (111), and the left and right sides of the mounting plate (12) are provided with plug-in parts (120) that can be inserted into the positioning groove (111). The plug-in parts (120) and the positioning groove (111) are provided with connecting holes and are connected and fixed by bolt groups.
5. The test bench for dynamic response of solenoid valve of super-high pressure common rail system according to claim 2, characterized in that, It also includes a displacement sensor (7) located in the sensor mounting hole (6a).
6. The test bench for dynamic response of solenoid valve of super-high pressure common rail system according to claim 1, characterized in that, It also includes a power mounting plate frame (8) located on one side of the base plate (10). The power mounting plate frame (8) is fixed to the base plate (10) by bolts. The top of the power mounting plate frame (8) is provided with two strip power limiting plates (80).