用于柴油发电机过滤器更换装置
By designing a replacement tool for the sun gear, planet gears, and ratchet structure of a diesel generator, the problem of unstable filter installation at offshore booster stations was solved, enabling reliable tightening in confined spaces, ensuring normal filter function, and preventing equipment damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THREE GORGES NEW ENERGY OFFSHORE WIND POWER OPERATION & MAINTENANCE JIANGSU CO LTD
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-17
AI Technical Summary
When installing filters for diesel generators at offshore substations, manual tightening cannot meet safety standards, which may lead to filter failure or equipment damage. Furthermore, specialized installation equipment is difficult to operate in confined spaces.
A replacement tooling consisting of a sun gear, planet gears, internal gear ring, base, and wrench was designed. Through the meshing structure and the cooperation of the pawl, the filter can be reliably tightened, avoiding loosening and equipment damage.
It enables the safe and reliable installation of filters in confined spaces, avoiding filter failure and equipment damage, and reducing the risk of equipment malfunction.
Smart Images

Figure CN224509593U_ABST
Abstract
Claims
1. A filter replacement device for a diesel generator, characterized by: It includes a generator (1) and a replacement fixture (3). The generator (1) is equipped with multiple filters (2). The replacement fixture (3) includes a sun gear (5) and an internal gear ring (4). The sun gear (5) is equipped with multiple meshing planet gears (6). The multiple planet gears (6) mesh with the internal gear ring (4). The bottom of the internal gear ring (4) is equipped with a base (7). The base (7) is equipped with a wrench (8). The planet gears (6) are equipped with pawls (601).
2. The device for replacing a filter of a diesel generator according to claim 1, characterized in that: The generator (1) is provided with multiple screws (101), and the filter (2) is provided with an internal thread on the top. The internal thread of the filter (2) is connected to the screws (101) of the generator (1).
3. The device for replacing a filter of a diesel generator according to claim 1, characterized in that: The top of the internal gear ring (4) is provided with a frame (9), the frame (9) is provided with a central hole (901), and the frame (9) is provided with multiple circumferential array side holes (902).
4. The filter replacement device for diesel generators according to claim 3, characterized in that: The planetary gear (6) is provided with a rotating shaft (602), which abuts against the side hole (902), and a bearing (10) is provided between the side hole (902) and the rotating shaft (602).
5. The device for replacing a filter of a diesel generator of claim 1, wherein: The base (7) has a bottom hole (705) at the bottom, an inner ring groove (702) at the top of the bottom hole (705), a second ring groove (703) on the base (7), and multiple bolt holes (704) on the base (7).
6. The device for replacing a filter of a diesel generator according to claim 5, characterized in that: The second bearing is provided in the second ring groove (703). The rotating shaft (602) of the planetary gear (6) is connected to the inner ring of the second bearing. The outer ring of the second bearing is connected to the inner wall of the inner ring groove (702). The base (7) is connected to the inner gear ring (4) by bolts.
7. The device for replacing a filter of a diesel generator according to claim 5, characterized in that: The base (7) has a handle (701) at the bottom.
8. The device for replacing a filter of a diesel generator of claim 1, wherein: The wrench (8) includes a rotating rocker arm (801), on which a turntable (802) is provided. The turntable (802) abuts against the inner ring groove (702), and one end of the rotating rocker arm (801) is connected to the sun gear (5).
9. The device for replacing a filter of a diesel generator according to claim 8, characterized in that: One end of the rotating rocker arm (801) rests against the central hole (901), and a third bearing is provided between the rotating rocker arm (801) and the central hole (901).