Hydraulic driving direction adjusting mechanism for marine propeller

Abstract

The utility model relates to a hydraulic drive direction adjusting mechanism for a marine propeller, in particular to the technical field of marine propulsion equipment. The device comprises a rack, a mounting shaft, a gear, a first moving block, a hydraulic cylinder, a second moving block, a first sliding rail, a first rack, a second sliding rail and a second rack, the hydraulic cylinder is controlled to drive a hydraulic rod to stretch out and draw back to drive the first rack and the second rack to move in a staggered mode so as to drive the gear to rotate, and therefore the rudder blade can swing to change the direction of a ship. The structure is simple, rapid adjustment can be achieved, and the response time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of ship propulsion equipment, and particularly relates to a hydraulic drive direction adjustment mechanism for a marine propeller. Background Technique

[0002] The direction adjustment of a marine propeller is mainly achieved by changing the pitch of the propeller. The pitch refers to the distance that the propeller blade advances in one revolution. A controllable pitch propeller (CPP) allows the propeller blade to rotate relative to the propeller hub through a control mechanism in the hub to adjust the pitch 567. This design enables the ship to make full use of the power of the main engine under different working conditions, such as forward, reverse or stop, improves the propulsion efficiency, and enhances the maneuverability of the ship.

[0003] Existing marine propeller direction adjustment mechanisms are mostly mechanical or electric, and have problems such as slow adjustment speed, long response time, and complex structure. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] The utility model provides a hydraulic drive direction adjustment mechanism for a marine propeller, which overcomes the shortcomings of existing marine propeller direction adjustment mechanisms being mostly mechanical or electric, having slow adjustment speed, long response time, and complex structure.

[0006] (2) Technical Solutions

[0007] To solve the above technical problems, the utility model provides a hydraulic drive direction adjustment mechanism for a marine propeller, which includes a frame, a mounting shaft, a gear, a first moving block, a hydraulic cylinder, a second moving block, a first slide rail, a first rack, a second slide rail, and a second rack. The mounting shaft is rotatably installed at the bottom of the frame, the upper end of the mounting shaft is fixedly connected with the gear, the first moving block is arranged on the top surface of one end of the frame, the hydraulic cylinder is installed on the first moving block, the second moving block is arranged above the top surface of the other end of the frame, the end of the hydraulic rod of the hydraulic cylinder away from the hydraulic cylinder faces the second moving block and is connected with the upper end of the second moving block. First slide rails are arranged on the edges of the frame corresponding to both sides of the second moving block, and the second moving block is slidably connected with the first slide rails. The first rack is meshed with one side of the gear, one end of the first rack is connected with the second moving block, the second rack is meshed with the other side of the gear, one end of the second rack is connected with the first moving block. Second slide rails are arranged on the edges of the frame corresponding to both sides of the first moving block, and the first moving block is slidably connected with the second slide rails.

[0008] Preferably, first sliders corresponding to and slidably connected to the two second slide rails are provided on both sides of the first moving block.

[0009] Preferably, second sliders corresponding to and slidably connected to the two first slide rails are provided on both sides of the second moving block.

[0010] Preferably, a third slider for slidably cooperating with one of the second slide rails is provided on the side of the other end of the first rack away from the gear.

[0011] Preferably, a fourth slider for slidably cooperating with one of the first slide rails is provided on the side of the other end of the second rack away from the gear.

[0012] (3) Beneficial effects

[0013] The utility model provides a hydraulic drive direction adjustment mechanism for a marine propeller, which overcomes the shortcomings of the existing marine propeller direction adjustment mechanisms being mostly mechanical or electric, with slow adjustment speed, long response time, and complex structure. Compared with the prior art, the utility model has the following beneficial effects: By controlling the telescopic movement of the hydraulic rod driven by the hydraulic cylinder to drive the staggered movement of the first rack and the second rack, and then drive the gear to rotate, the rudder blade can be swung to change the direction of the ship. It not only has a simple structure, but also can achieve rapid adjustment and shorten the response time. Description of the drawings

[0014] Figure 1 is the overall three-dimensional view of the utility model.

[0015] Figure 2 is the partial three-dimensional view of the utility model.

[0016] Figure 3 is the top view of the utility model.

[0017] The reference numerals are: 1 - frame, 2 - mounting shaft, 3 - gear, 4 - first moving block, 41 - first slider, 5 - hydraulic cylinder, 51 - hydraulic rod, 6 - second moving block, 61 - second slider, 7 - first slide rail, 8 - first rack, 81 - third slider, 9 - second slide rail, 10 - second rack, 101 - fourth slider. Specific embodiments

[0018] The utility model will be further described in conjunction with the drawings and embodiments.

[0019] As Figures 1 to 3As shown, a marine propeller hydraulic drive direction adjustment mechanism described in the utility model comprises a frame 1, a mounting shaft 2, a gear 3, a first moving block 4, a hydraulic cylinder 5, a second moving block 6, a first slide rail 7, a first rack 8, a second slide rail 9, and a second rack 10. The mounting shaft 2 is rotatably mounted on the bottom of the frame 1, the gear 3 is fixedly connected to the upper end of the mounting shaft 2, the first moving block 4 is arranged on the top surface of one end of the frame 1, the hydraulic cylinder 5 is mounted on the first moving block 4, the second moving block 6 is arranged above the top surface of the other end of the frame 1, and the hydraulic rod 51 of the hydraulic cylinder 5 is away from one end of the hydraulic cylinder 5. The first end faces the second moving block 6 and is connected to the upper end of the second moving block 6. The first slide rails 7 are provided on the edges of the frame 1 corresponding to the two sides of the second moving block 6. The second moving block 6 is slidably connected to the first slide rails 7. The first rack 8 is meshed on one side of the gear 3. One end of the first rack 8 is connected to the second moving block 6. The second rack 10 is meshed on the other side of the gear 3. One end of the second rack 10 is connected to the first moving block 4. Second slide rails 9 are provided on the edges of the frame 1 corresponding to the two sides of the first moving block 4. The first moving block 4 is slidably connected to the second slide rails 9.

[0020] Both sides of the first moving block 4 are provided with first sliding blocks 41 corresponding to and slidably connected to the two second sliding rails 9, and both sides of the second moving block 6 are provided with second sliding blocks 61 corresponding to and slidably connected to the two first sliding rails 7;

[0021] A third slider 81 for slidingly cooperating with one of the second slide rails 9 is provided on the other end of the first rack 8 away from the gear 3, and a fourth slider 101 for slidingly cooperating with one of the first slide rails 7 is provided on the other end of the second rack 10 away from the gear 3. The first slider 41 is correspondingly slidably connected with the second slide rail 9, the second slider 61 is correspondingly slidably connected with the first slide rail 7, the third slider 81 is slidably cooperating with the second slide rail 9, and the fourth slider 101 is slidably cooperating with the first slide rail 7. Such an arrangement makes the first rack 8 and the second rack 10 more stable during movement.

[0022] In actual use, it can be used in conjunction with a marine engine to change direction. The rudder blade is installed on the mounting shaft 2. The hydraulic cylinder 5 can be controlled to drive the extension and retraction of the hydraulic rod 51 to drive the staggered movement of the first rack 8 and the second rack 10, thereby driving the gear 3 to rotate, so that the rudder blade can be swung to change the direction of the ship.

[0023] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0024] The above-described embodiments only represent the preferred embodiments of the present utility model. The description is relatively specific and detailed, but the present utility model is not limited to these embodiments. It should be noted that for those of ordinary skill in the art, any improvement made without departing from the gist of the present utility model falls within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A marine propeller hydraulic drive direction adjustment mechanism, characterized in that: The invention comprises a frame (1), a mounting shaft (2), a gear (3), a first moving block (4), a hydraulic cylinder (5), a second moving block (6), a first slide rail (7), a first rack (8), a second slide rail (9), and a second rack (10); the mounting shaft (2) is rotatably mounted at the bottom of the frame (1); the gear (3) is fixedly connected to the upper end of the mounting shaft (2); the first moving block (4) is arranged on the top surface of one end of the frame (1); the hydraulic cylinder (5) is mounted on the first moving block (4); the second moving block (6) is arranged above the top surface of the other end of the frame (1); a hydraulic rod (51) of the hydraulic cylinder (5) is disposed at one end away from the hydraulic cylinder (5) and is oriented toward the second moving block ( 6) and is connected to the upper end of the second moving block (6), first slide rails (7) are provided on the edges of the frame (1) corresponding to both sides of the second moving block (6), the second moving block (6) is slidably connected to the first slide rails (7), the first rack (8) is meshed on one side of the gear (3), one end of the first rack (8) is connected to the second moving block (6), the second rack (10) is meshed on the other side of the gear (3), one end of the second rack (10) is connected to the first moving block (4), second slide rails (9) are provided on the edges of the frame (1) corresponding to both sides of the first moving block (4), the first moving block (4) is slidably connected to the second slide rails (9).

2. A marine propeller hydraulic drive direction adjustment mechanism according to claim 1, characterized in that: First sliding blocks (41) are provided on both sides of the first moving block (4) and are slidably connected to the two second sliding rails (9) accordingly.

3. A marine propeller hydraulic drive direction adjustment mechanism according to claim 1, characterized in that: Second sliding blocks (61) are provided on both sides of the second moving block (6) and are slidably connected to the two first sliding rails (7) accordingly.

4. A marine propeller hydraulic drive direction adjustment mechanism according to claim 1, characterized in that: A third sliding block (81) for slidingly cooperating with one of the second sliding rails (9) is provided on the side of the other end of the first rack (8) away from the gear (3).

5. A marine propeller hydraulic drive direction adjustment mechanism according to claim 1, characterized in that: A fourth sliding block (101) for slidingly cooperating with one of the first sliding rails (7) is provided on the side of the other end of the second rack (10) away from the gear (3).

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