Propeller for rotation test based on full-rotation double-propeller ship

Abstract

The invention relates to the technical field of ship steering, in particular to a propeller for a gyration test based on a full-gyration double-propeller ship, which comprises a suspension shaft body, a driven gear fixedly sleeves the upper end of the suspension shaft body, a hydraulic oil pipe is communicated with the outer side of an adjusting oil cylinder, and a branch oil pipe is formed at the communication part of the hydraulic oil pipe and the adjusting oil cylinder; a pushing piece is arranged on the surface of the middle of the connecting plate, and a gt is formed in the middle of one side of the pushing piece. An inverted-L-shaped jacking groove; the buffer assembly sleeves the outer side of the middle part of the suspension shaft body; the device has the beneficial effects that the adjusting oil cylinder and the positioning assembly are both communicated to one end of the hydraulic oil pipe, the positioning assembly comprises the jacking oil cylinder, and one end of the jacking oil cylinder is connected with the jacking piece, so that the stability of the positions of the driven gear and the suspension shaft body can be effectively guaranteed; the propeller at the lower end of the suspension shaft body is prevented from being influenced by the external environment to change the orientation, and it is ensured that the result of the gyration test is more accurate.

Claims

1. A propeller for a full-rotation double-propeller ship turning test, characterized in that: Including: A suspension shaft body (1), a driven gear (2) is fixedly sleeved on the upper end of the suspension shaft body (1), a propeller (12) is arranged at the lower end of the suspension shaft body (1), a strip-shaped tooth plate (3) meshing and driving with the driven gear (2) is arranged on the outer side of the driven gear (2), the strip-shaped tooth plate (3) is driven to slide by an adjusting oil cylinder (4), a hydraulic oil pipe (5) is communicated with the outer side of the adjusting oil cylinder (4), a branch oil pipe (6) is formed by forking at the communicating part of the hydraulic oil pipe (5) and the adjusting oil cylinder (4), and a positioning component (7) is arranged at one end of the branch oil pipe (6); The positioning component (7) includes a positioning block (72), an arc-shaped tooth (721) is arranged on one side surface of the positioning block (72) and meshes and clamps the driven gear (2), a connecting plate (73) is arranged on the other side of the positioning block (72), a connecting rod (731) is fixed between the connecting plate (73) and the positioning block (72), a pushing member (74) is arranged on the middle surface of the connecting plate (73), a pushing groove (741) in a ">" shape is arranged in the middle of one side of the pushing member (74) and extrudes the connecting plate (73) to cause displacement, the pushing member (74) is driven to move by a pushing oil cylinder (75), and the pushing oil cylinder (75) is communicated with the branch oil pipe (6); A buffer component (8) is sleeved on the outer side of the middle part of the suspension shaft body (1).

2. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 1, characterized in that: A protective shell (21) is sleeved on the outer side of the driven gear (2), a guiding frame (71) is arranged on the outer side of the positioning block (72), and the positioning block (72) slides in the inner cavity of the guiding frame (71), the guiding frame (71) is fixed on the side surface of the protective shell (21) and communicated with its inner cavity, the connecting rod (731) is movably penetrated and connected with the side wall of the guiding frame (71), a return spring (732) is sleeved on the outer side of the connecting rod (731), and the return spring (732) presses the positioning block (72) to be meshed on the outer side of the driven gear (2).

3. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 2, characterized in that: The connecting plate (73) is arranged in a split structure and a shaft rod (733) is fixed in the middle, a shaft sleeve (734) is movably sleeved on the outer side of the shaft rod (733), the shaft sleeve (734) is located in the middle of the bottom of the pushing groove (741), a guiding groove (742) is arranged on the other side surface of the pushing member (74), a guiding platform (711) is movably penetrated and arranged in the inner cavity of the guiding groove (742), and the guiding platform (711) is fixed on the side surface of the guiding frame (71).

4. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 2, characterized in that: An installation frame (22) is fixedly arranged on the outer side of the protective shell (21), and the cross section of the installation frame (22) is in a "C" shape, a guiding outer shell (31) is arranged on the outer side of the strip-shaped tooth plate (3), and the strip-shaped tooth plate (3) slides along its length direction in the inner cavity of the guiding outer shell (31), the adjusting oil cylinder (4) is installed at one end of the guiding outer shell (31), and the guiding outer shell (31) is installed in the inner cavity of the installation frame (22) and fixed by bolts.

5. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 4, characterized in that: A rolling body (32) is rotatably mounted on the surface of the bar-shaped toothed plate (3), a sliding member (33) is movably provided at one end of the bar-shaped toothed plate (3), and a contact switch (311) and a distance measuring sensor (312) are provided on the inner wall of one end of the guide housing (31), and both are directly opposite to the sliding member (33).

6. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 5, characterized in that: A limiting slide groove (331) is provided on one end surface of the strip-shaped toothed plate (3); one end of the sliding member (33) is inserted into the inner cavity of the limiting slide groove (331) and is slidably connected thereto; a thrust spring (332) is provided in the inner cavity of the limiting slide groove (331), and the thrust spring (332) abuts against one end surface of the sliding member (33).

7. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 1, characterized in that: The buffer assembly (8) comprises two arc-shaped cylinders (81) symmetrically distributed on the outside of the suspension shaft body (1); a crossbeam (86) is fixed on the outside of the arc-shaped cylinder (81); an oil chamber (811) is provided inside the arc-shaped cylinder (81) and is filled with hydraulic oil; a sealing piston (82) matching the oil chamber is slidably installed in the oil chamber (811); an arc-shaped rod (83) is fixedly provided in the middle of the sealing piston (82) and penetrates through the middle, and the two arc-shaped rods (83) form a circular structure and are sleeved on the outside of the suspension shaft body (1).

8. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 7, characterized in that: Oil passages (831) are provided at both ends of the arc-shaped rod (83), and the open ends of the four oil passages (831) are connected in pairs. Two cavities (821) are provided in the sealing piston (82), and the two cavities (821) are respectively connected to the two oil passages (831). Through holes (822) are provided on both side surfaces of the sealing piston (82), and the through holes (822) are connected to the cavities (821).

9. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 8, characterized in that: Bearing sleeves (812) are fixed to the upper and lower side surfaces of the arc-shaped cylinder (81), and a linkage block (85) is arranged between the two bearing sleeves (812); the linkage block (85) is arranged in a semicircular shape, and the two linkage blocks (85) are spliced ​​to form a ring structure; the inner side wall of the linkage block (85) is provided with a linkage slot (851); a linkage protrusion (11) is fixed to the surface of the suspension shaft body (1); the linkage protrusion (11) is located in the inner cavity of the linkage slot (851) and is adapted thereto.

10. The propeller for maneuvering test based on an azimuth double-propeller ship according to claim 9, characterized in that: Both ends of the bearing sleeve (812) are fixed with splicing blocks (813), the four splicing blocks (813) correspond to each other in pairs and are fixedly connected by bolts, a sealing block (84) is fixed between the end of the arc rod (83) and the end of the linkage block (85), a docking block (841) is fixed to the edge of the sealing block (84), the four docking blocks (841) correspond to each other in pairs and are fixedly connected by bolts, and a sealing pad (842) is provided on the surface of the sealing block (84).

Images