挖掘机动臂前叉结构
By introducing an automatic lubrication component and a specific material design into the front fork structure of the excavator boom, the problem of high manpower consumption for manual lubrication has been solved, improving lubrication efficiency and equipment stability, and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI HEKUANG MACHINERY
- Filing Date
- 2025-06-18
- Publication Date
- 2026-07-17
Smart Images

Figure CN224514292U_ABST
Abstract
Claims
1. A structure of a front frame of a movable arm of a shovel, comprising a front frame body (1) of the movable arm, characterized by: The upper middle left side of the boom fork body (1) is rotatably connected to a mounting shaft one (3), and a hydraulic cylinder (5) is fixedly connected to the outside of the mounting shaft one (3). The output end of the hydraulic cylinder (5) is fixedly connected to a mounting shaft two (6). The upper middle left side of the boom fork body (1) is fixedly connected to a fixing shaft one (7), and a connecting rod one (8) is rotatably connected to the outside of the fixing shaft one (7). A connecting rod two (9) is rotatably connected to the outside of the mounting shaft two (6). The lower part of the boom fork body (1) is fixedly connected to a mounting frame (12), and an oil storage pipe (13) is fixedly connected inside the mounting frame (12). Lubrication components are provided on the front and rear sides of the boom fork body (1) for lubricating the fork structure.
2. The excavator boom front fork structure of claim 1, wherein: The lubrication assembly includes a micro pump (14), which is fixedly connected to the left side of the front and rear sides of the boom fork body (1). The input end of the micro pump (14) is fixedly connected to an oil suction pipe (15), and the output end of the micro pump (14) is fixedly connected to an oil delivery pipe (16). The end of the oil delivery pipe (16) away from the micro pump (14) is fixedly connected to a nozzle (17). The right side of the front and rear sides of the boom fork body (1) is fixedly connected to a micro pump (18), which is fixedly connected to an oil suction pipe (19) at its input end and an oil delivery pipe (20) at its output end. The end of the oil delivery pipe (20) away from the micro pump (18) is fixedly connected to a nozzle (21).
3. The excavator stick front fork structure of claim 1, wherein: The boom fork body (1) is made of alloy steel, the connecting rod one (8) and the connecting rod two (9) are both made of carbon steel, and the oil storage pipe (13) is made of stainless steel.
4. The excavator stick front fork structure of claim 1, wherein: The boom fork body (1) is rotatably connected to the right side of the inner side of the boom fork body (1) and the lower right side of the boom fork body (1) is rotatably connected to the second connecting shaft (4).
5. The excavator stick front frame structure of claim 1, wherein: The boom fork body (1) is rotatably connected to a fixed shaft three (11) on the left side inside, and the connecting rod two (9) is rotatably connected to a fixed shaft two (10) at the end away from the mounting shaft two (6).
6. The excavator stick front fork structure of claim 2, wherein: The end of the first oil extraction pipe (15) away from the first micro pump (14) is fixedly connected to the oil storage pipe (13), and the end of the second oil extraction pipe (19) away from the second micro pump (18) is fixedly connected to the oil storage pipe (13).
7. The excavator stick front fork structure of claim 4, wherein: The second connecting shaft (4) is fixedly connected to the boom, and the first connecting shaft (2) is fixedly connected to another hydraulic cylinder (5).
8. The excavator boom front fork structure of claim 5, wherein: Both the second fixed shaft (10) and the third fixed shaft (11) are fixedly connected to the bucket.