Polar high-power pod rotation lock pin device

Abstract

The invention relates to the technical field of pod rotation lock pins, and discloses a polar high-power pod rotation lock pin device which comprises a steering oar and a rotation gear ring, the top of the rotation gear ring is fixedly connected with an inner ring, the bottom of a motor is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is fixedly connected with a gear. A hydraulic cylinder is arranged in the equipment shell, a connecting rod is fixedly connected to the bottom of the hydraulic cylinder, a lock pin plate is fixedly connected to the bottom of the connecting rod, and one end of the lock pin plate is connected with the interior of the rotary gear ring in a clamped mode. The rotating gear ring drives the pod shell, the steering oar and the oar blade to rotate, so that steering operation of the ship pod is completed, the hydraulic cylinder is started, the connecting rod and the lock pin plate are driven to move downwards, the rotating gear ring is limited and locked, and the situation that the rotating gear ring drives the pod shell to rotate and deviate is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of pod rotation lock pins, in particular to a polar-level high-power pod rotation lock pin device. Background Art

[0002] Polar-class high-power pods are propulsion devices used in polar research vessels, icebreakers and other ships. They are compact, low-noise and high-power. This type of pod propulsion device has broad market prospects in the context of the polar strategic position and polar resources.

[0003] The polar-grade high-power pod slewing lock pin refers to an important component in ship design that is used to fix the pod on the hull and realize the slewing function. In high-end ships such as polar icebreakers, the pod thruster plays a key role. It can rotate 360 ​​degrees to realize the vector propulsion of the ship. Therefore, its slewing lock pin is a key component to ensure that the pod is firmly installed on the hull and realizes the slewing function.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: due to the extreme navigation conditions in the polar environment, polar-grade high-power pods often collide with broken ice, causing wear on the pod rotating lock pin in the prior art, thereby affecting the stability of the pod rotating lock pin. Summary of the invention

[0005] In order to solve the technical problem that the existing polar-level high-power pod often collides with crushed ice, causing wear of the pod rotation lock pin in the prior art, thereby affecting the stability of the pod rotation lock pin, the present invention provides a polar-level high-power pod rotation lock pin device.

[0006] The present invention is implemented by the following technical scheme: a polar-level high-power pod slewing lock pin device, comprising a rudder propeller and a slewing gear ring, one end of the rudder propeller is assembled and connected with a blade, the top of the rudder propeller is fixedly connected with a pod shell, the top of the pod shell is fixedly connected with a slewing gear ring, the top of the slewing gear ring is fixedly connected with an inner ring, the outside of the inner ring is rotatably connected with a fixed ring, the top of the fixed ring is fixedly connected with a top plate, the top of the top plate is fixedly connected with an equipment housing, one side of the equipment housing is fixedly connected with a motor, the bottom of the motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a gear, and one end of the gear is meshingly connected with the inside of the slewing gear ring; Among them, a hydraulic cylinder is arranged inside the equipment housing, the bottom of the hydraulic cylinder is fixedly connected to a connecting rod, the bottom of the connecting rod is fixedly connected to a locking pin plate, and one end of the locking pin plate is snap-connected to the inside of the rotating gear ring.

[0007] Preferably, the top of the inner ring is fixedly connected to a limit ring, a limit ring groove is processed on the top of the fixed ring, and the limit ring is rotatably connected inside the limit ring groove.

[0008] Preferably, the top of the locking plate is fixedly connected to a plurality of sliding rods, and the sliding rods all pass through the interior of the top plate. The tops of the plurality of sliding rods are fixedly connected to an annular block, and the annular block is movably connected to the interior of the device housing.

[0009] Preferably, one end of the locking pin plate is fixedly connected to a connecting plate, the bottom of the connecting plate is fixedly connected to a positioning pin, one end of the gear is internally plug-connected to a calibration block, and the bottom of the positioning pin is plug-connected to the inside of the calibration block.

[0010] Preferably, a fixed shaft is provided inside one end of the calibration block, the bottom of the fixed shaft is fixedly connected to the bottom of the inner wall of the rotating gear ring, and one end of the calibration block is rotatably connected to the outside of the fixed shaft.

[0011] Preferably, the top of the fixed shaft is fixedly connected to a limit block, and the limit block is located on the top of the calibration block.

[0012] Preferably, a guide groove is processed at one end of the calibration block, and the bottom of the positioning pin is plug-connected inside the guide groove.

[0013] Preferably, one side of the calibration block is fixedly connected to a first return spring, one end of the first return spring is fixedly connected to a first fixed block, the bottom of the first fixed block is fixedly connected to the bottom of the inner wall of the rotating gear ring, and the other side of the calibration block is fixedly connected to a second return spring, one end of the second return spring is fixedly connected to a second fixed block, and the bottom of the second fixed block is fixedly connected to the bottom of the inner wall of the rotating gear ring.

[0014] Preferably, a rotating groove is processed inside the top plate, one end of the rotating shaft is rotatably connected inside the rotating groove, a lifting groove is processed inside the top plate, the connecting rod is movably connected inside the lifting groove, a plurality of sliding grooves are processed inside the top plate, and the sliding rod is movably connected inside the sliding groove.

[0015] Preferably, the top and bottom of the limit ring are processed with multiple grooves, and the inside of the grooves is rollingly connected with balls. The balls on the top of the limit ring are rollingly connected to the bottom of the top plate, and the balls at the bottom of the limit ring are rollingly connected to the inside of the limit ring groove.

[0016] Compared with the prior art, the present invention has the following beneficial effects: When the present invention is in use, by starting the motor, the motor will drive the rotating shaft and the gear to rotate, the gear will drive the rotating gear ring to rotate, the rotating gear ring will drive the pod shell, the rudder propeller and the blade to rotate, thereby completing the steering operation of the ship pod; after completing the pod steering, the hydraulic cylinder is started, the hydraulic cylinder will drive the connecting rod to move downward, the connecting rod will drive the locking plate to move downward, so that the multiple teeth at one end of the locking plate are inserted into the tooth grooves of the rotating gear ring, thereby limiting and locking the rotating gear ring to prevent the rotating gear ring from driving the pod shell to rotate and deviate.

[0017] When the present invention is in use, by starting the hydraulic cylinder, the hydraulic cylinder will drive the locking pin plate and the connecting plate to move downward, the connecting plate will drive the positioning pin to move downward, so that the positioning pin is inserted into the interior of the calibration block, and the calibration block is limited and fixed, and the calibration block will drive the rotating gear ring to move and calibrate through the gear, so that the interior of the tooth groove of the rotating gear ring is located directly below the teeth of the locking pin plate, so that the hydraulic cylinder continues to drive the locking pin plate to be inserted into the interior of the tooth groove of the rotating gear ring to limit the position, thereby avoiding wear of the locking pin plate when it is inserted downward, thereby affecting the service life of the locking pin mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is an exploded view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the rotary gear ring of the present invention; Figure 4 It is a schematic diagram of the connection structure of the gear and the calibration block of the present invention; Figure 5 It is a schematic diagram of the connection structure between the inner ring and the limiting ring of the present invention; Figure 6 It is a schematic diagram of the connection structure between the top plate and the limiting ring of the present invention; Figure 7 It is a schematic diagram of the internal structure of the limiting ring of the present invention.

[0019] In the figure: 1, rudder propeller; 2, rotating gear ring; 3, blade; 4, pod shell; 5, fixed ring; 6, top plate; 601, rotating groove; 602, lifting groove; 603, slide groove; 7, equipment shell; 8, inner ring; 9, limit ring; 10, limit ring groove; 11, motor; 12, rotating shaft; 13, gear; 14, hydraulic cylinder; 15, connecting rod; 16, slide rod; 17, annular block; 18, locking pin plate; 19, connecting plate; 20, positioning pin; 21, calibration block; 22, guide groove; 23, fixed shaft; 24, limit block; 25, first return spring; 26, first fixed block; 27, second return spring; 28, second fixed block; 29, groove; 30, ball. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0021] Example 1: Please refer to Figure 1 - Figure 7 A polar-level high-power pod slewing lock pin device of the present embodiment comprises a steering propeller 1 and a slewing gear ring 2, one end of the steering propeller 1 is assembledly connected with a blade 3, the top of the steering propeller 1 is fixedly connected with a pod shell 4, the top of the pod shell 4 is fixedly connected with a slewing gear ring 2, the top of the slewing gear ring 2 is fixedly connected with an inner ring 8, the outer part of the inner ring 8 is rotatably connected with a fixing ring 5, the top of the fixing ring 5 is fixedly connected with a top plate 6, the top of the top plate 6 is fixedly connected with an equipment housing 7, one side of the equipment housing 7 is fixedly connected with a motor 11, the bottom of the motor 11 is fixedly connected with a rotating shaft 12, the bottom of the rotating shaft 12 is fixedly connected with a gear 13, one end of the gear 13 is meshingly connected with the inside of the slewing gear ring 2, a hydraulic cylinder 14 is arranged inside the equipment housing 7, the bottom of the hydraulic cylinder 14 is fixedly connected with a connecting rod 15, the bottom of the connecting rod 15 is fixedly connected with a lock pin plate 18, and one end of the lock pin plate 18 is snap-connected with the inside of the slewing gear ring 2; When the pod at the bottom of the polar research vessel needs to turn, the motor 11 is started, the motor 11 will drive the rotating shaft 12 to rotate, the rotating shaft 12 will drive the gear 13 to rotate, the rotation of the gear 13 will drive the rotating gear ring 2 to rotate, the rotation of the rotating gear ring 2 will drive the pod shell 4 to rotate, the rotation of the pod shell 4 will drive the steering propeller 1 and the blade 3 to rotate, thereby completing the pod steering operation; Secondly, after the pod is turned, the hydraulic cylinder 14 is started, and the hydraulic cylinder 14 will drive the connecting rod 15 to move downward, and the connecting rod 15 will drive the lock plate 18 to move downward, so that the multiple teeth at one end of the lock plate 18 are inserted into the tooth grooves of the rotating gear ring 2, thereby limiting and fixing the rotating gear ring 2 to prevent the rotating gear ring 2 from driving the pod shell 4 to rotate and deviate; Furthermore, the top of the inner ring 8 is fixedly connected to a limit ring 9, and a limit ring groove 10 is processed on the top of the fixed ring 5. The limit ring 9 is rotatably connected to the inside of the limit ring groove 10. When the rotary gear ring 2 rotates, the rotary gear ring 2 will drive the inner ring 8 to rotate along the inside of the fixed ring 5, and the inner ring 8 will drive the limit ring 9 to rotate, and the limit ring 9 will rotate along the inside of the limit ring groove 10. By providing the limit ring groove 10, the movement of the limit ring 9 is limited, and then the rotation of the rotary gear ring 2 is limited. Furthermore, the top of the lock plate 18 is fixedly connected to a plurality of slide bars 16, and the slide bars 16 all penetrate the interior of the top plate 6. The tops of the plurality of slide bars 16 are fixedly connected to an annular block 17, and the annular block 17 is movably connected to the interior of the device housing 7. Among them, when the hydraulic cylinder 14 drives the lock pin plate 18 to move downward, the lock pin plate 18 will drive multiple sliding rods 16 to move downward, the sliding rods 16 will move downward along the inside of the top plate 6, and the multiple sliding rods 16 will drive the annular block 17 to move downward. By setting multiple sliding rods 16, the lock pin plate 18 can maintain a stable state when moving downward. At the same time, the multiple sliding rods 16 form a triangle, and the multiple sliding rods 16 are inserted into the inside of the top plate 6 to limit the lock pin plate 18, so as to prevent the rotating gear ring 2 from driving the inner ring 8 to move and causing wear to the lock pin structure. Embodiment 2: Based on Embodiment 1, this embodiment introduces the specific structure of the calibration block 21, one end of the lock pin plate 18 is fixedly connected to the connecting plate 19, the bottom of the connecting plate 19 is fixedly connected to the positioning pin 20, one end of the gear 13 is plug-in connected to the calibration block 21, the bottom of the positioning pin 20 is plug-in connected to the inside of the calibration block 21, one end of the calibration block 21 is internally provided with a fixed shaft 23, the bottom of the fixed shaft 23 is fixedly connected to the bottom of the inner wall of the rotating gear ring 2, and one end of the calibration block 21 is rotatably connected to the outside of the fixed shaft 23; When it is necessary to limit and fix the rotary gear ring 2, the hydraulic cylinder 14 is started, and the hydraulic cylinder 14 will drive the lock pin plate 18 to move downward, and the lock pin plate 18 will drive the connecting plate 19 to move downward, and the connecting plate 19 will drive the positioning pin 20 to move downward, so that the positioning pin 20 is inserted into the inside of the calibration block 21, and the calibration block 21 is limited and fixed, and the calibration block 21 will calibrate and fix the gear 13, so that the gear 13 drives the rotary gear ring 2 to move and calibrate, so that the inside of the tooth groove of the rotary gear ring 2 is located directly below the teeth of the lock pin plate 18, so that when the hydraulic cylinder 14 continues to drive the connecting rod 15 and the lock pin plate 18 to continue to move downward, the lock pin plate 18 can be inserted into the inner limit of the tooth groove of the rotary gear ring 2, so as to avoid wear of the lock pin plate 18 when it is inserted downward, thereby affecting the service life of the lock pin mechanism; Furthermore, the top of the fixed shaft 23 is fixedly connected to a limiting block 24, and the limiting block 24 is located at the top of the calibration block 21. By setting the limiting block 24, when the calibration block 21 rotates around the outside of the fixed shaft 23, the calibration block 21 is limited to prevent the calibration block 21 from being disconnected from the fixed shaft 23. Furthermore, a guide groove 22 is processed at one end of the calibration block 21, and the bottom of the positioning pin 20 is plug-connected inside the guide groove 22. The guide groove 22 is processed into an inverted conical groove, so that when the calibration block 21 is offset, the positioning pin 20 moves downward along the inside of the guide groove 22, which will drive the calibration block 21 to move and calibrate, so that the bottom of the positioning pin 20 moves to the bottom of the guide groove 22; Further, a first return spring 25 is fixedly connected to one side of the calibration block 21, one end of the first return spring 25 is fixedly connected to a first fixed block 26, the bottom of the first fixed block 26 is fixedly connected to the bottom of the inner wall of the rotating gear ring 2, and a second return spring 27 is fixedly connected to the other side of the calibration block 21, one end of the second return spring 27 is fixedly connected to a second fixed block 28, and the bottom of the second fixed block 28 is fixedly connected to the bottom of the inner wall of the rotating gear ring 2; When the rotating shaft 12 drives the gear 13 to rotate, the gear 13 will drive the calibration block 21 to move, and the calibration block 21 will drive the first return spring 25 to stretch, and at the same time drive the second return spring 27 to compress. When the rotating shaft 12 stops moving, the first return spring 25 will be reset and contracted, and the second return spring 27 will be reset and extended, so that the calibration block 21 is calibrated and reset, so that the angle of the rotating gear ring 2 is calibrated, which is convenient for the lock pin plate 18 to be inserted into the tooth groove of the rotating gear ring 2 and locked; Further, a rotating groove 601 is processed inside the top plate 6, one end of the rotating shaft 12 is rotatably connected inside the rotating groove 601, a lifting groove 602 is processed inside the top plate 6, the connecting rod 15 is movably connected inside the lifting groove 602, a plurality of slide grooves 603 are processed inside the top plate 6, and the slide rod 16 is movably connected inside the slide groove 603; Among them, by providing the rotating groove 601, one end of the rotating shaft 12 will rotate inside the rotating groove 601, by providing the lifting groove 602, one end of the connecting rod 15 will move up and down along the inside of the lifting groove 602, by providing the sliding groove 603, one end of the plurality of sliding rods 16 will move up and down along the inside of the plurality of sliding grooves 603, and the sliding groove 603 will limit the inner ring 8 by limiting the sliding rod 16; Furthermore, a plurality of grooves 29 are machined on the top and bottom of the limit ring 9, and balls 30 are rollingly connected inside the grooves 29. The balls 30 on the top of the limit ring 9 are rollingly connected to the bottom of the top plate 6, and the balls 30 on the bottom of the limit ring 9 are rollingly connected to the inside of the limit ring groove 10. By providing the balls 30, when the limit ring 9 moves along the inside of the limit ring groove 10, the balls 30 on the bottom of the limit ring 9 will roll along the inside of the limit ring groove 10, and the balls 30 on the top of the limit ring 9 will roll on the bottom of the top plate 6, thereby reducing the friction force when the limit ring 9 rotates. Working principle: by starting the motor 11, the motor 11 will drive the rotating shaft 12 to rotate, the rotating shaft 12 will drive the gear 13 to rotate, the rotation of the gear 13 will drive the rotating gear ring 2 to rotate, the rotation of the rotating gear ring 2 will drive the pod shell 4 to rotate, the rotation of the pod shell 4 will drive the rudder propeller 1 and the blade 3 to rotate, thereby completing the steering operation of the ship pod. After the pod steering is completed, start the hydraulic cylinder 14, the hydraulic cylinder 14 will drive the connecting rod 15 to move downward, the connecting rod 15 will drive the lock pin plate 18 to move downward, so that the multiple teeth at one end of the lock pin plate 18 are inserted into the tooth groove of the rotating gear ring 2, thereby limiting the rotation of the gear ring 2 and locking it to prevent the rotating gear ring 2 from driving the pod shell 4 to rotate and deviate.

[0022] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A polar-level high-power pod slewing lock pin device, comprising a rudder propeller (1) and a slewing gear ring (2), characterized in that: One end of the steering propeller (1) is assembledly connected to a blade (3), the top of the steering propeller (1) is fixedly connected to a pod shell (4), the top of the pod shell (4) is fixedly connected to a rotating gear ring (2), the top of the rotating gear ring (2) is fixedly connected to an inner ring (8), the outer part of the inner ring (8) is rotatably connected to a fixing ring (5), the top of the fixing ring (5) is fixedly connected to a top plate (6), the top of the top plate (6) is fixedly connected to a device shell (7), one side of the device shell (7) is fixedly connected to a motor (11), the bottom of the motor (11) is fixedly connected to a rotating shaft (12), the bottom of the rotating shaft (12) is fixedly connected to a gear (13), and one end of the gear (13) is meshingly connected to the inside of the rotating gear ring (2); A hydraulic cylinder (14) is disposed inside the device housing (7), a connecting rod (15) is fixedly connected to the bottom of the hydraulic cylinder (14), a locking plate (18) is fixedly connected to the bottom of the connecting rod (15), and one end of the locking plate (18) is snap-connected to the inside of the rotary gear ring (2).

2. A polar-level high-power pod rotation lock pin device according to claim 1, characterized in that: The top of the inner ring (8) is fixedly connected to a limit ring (9), a limit ring groove (10) is processed on the top of the fixed ring (5), and the limit ring (9) is rotatably connected inside the limit ring groove (10).

3. The polar-level high-power pod rotation lock pin device according to claim 1, characterized in that: The top of the locking plate (18) is fixedly connected to a plurality of sliding rods (16), each of which penetrates the interior of the top plate (6); the tops of the plurality of sliding rods (16) are fixedly connected to an annular block (17), and the annular block (17) is movably connected to the interior of the device housing (7).

4. The polar-level high-power pod rotation lock pin device according to claim 1, characterized in that: One end of the locking pin plate (18) is fixedly connected to a connecting plate (19), the bottom of the connecting plate (19) is fixedly connected to a positioning pin (20), one end of the gear (13) is plug-connected to a calibration block (21) inside, and the bottom of the positioning pin (20) is plug-connected inside the calibration block (21).

5. The polar-level high-power pod rotation lock pin device according to claim 4, characterized in that: A fixed shaft (23) is disposed inside one end of the calibration block (21), the bottom of the fixed shaft (23) is fixedly connected to the bottom of the inner wall of the rotating gear ring (2), and one end of the calibration block (21) is rotatably connected to the outside of the fixed shaft (23).

6. The polar-level high-power pod rotation lock pin device according to claim 5, characterized in that: The top of the fixed shaft (23) is fixedly connected to a limit block (24), and the limit block (24) is located on the top of the calibration block (21).

7. The polar-level high-power pod rotation lock pin device according to claim 4, characterized in that: A guide groove (22) is machined on one end of the calibration block (21), and the bottom of the positioning pin (20) is plug-connected inside the guide groove (22).

8. The polar-level high-power pod rotation lock pin device according to claim 4, characterized in that: A first return spring (25) is fixedly connected to one side of the calibration block (21), one end of the first return spring (25) is fixedly connected to a first fixed block (26), the bottom of the first fixed block (26) is fixedly connected to the bottom of the inner wall of the rotating gear ring (2), and a second return spring (27) is fixedly connected to the other side of the calibration block (21), one end of the second return spring (27) is fixedly connected to a second fixed block (28), the bottom of the second fixed block (28) is fixedly connected to the bottom of the inner wall of the rotating gear ring (2).

9. The polar-level high-power pod rotation lock pin device according to claim 3, characterized in that: A rotating groove (601) is machined inside the top plate (6), one end of the rotating shaft (12) is rotatably connected inside the rotating groove (601), a lifting groove (602) is machined inside the top plate (6), the connecting rod (15) is movably connected inside the lifting groove (602), a plurality of sliding grooves (603) are machined inside the top plate (6), and the sliding rod (16) is movably connected inside the sliding groove (603).

10. The polar-level high-power pod rotation lock pin device according to claim 2, characterized in that: The top and bottom of the limiting ring (9) are both machined with a plurality of grooves (29), the interior of the grooves (29) being rollingly connected with balls (30), the balls (30) at the top of the limiting ring (9) being rollingly connected to the bottom of the top plate (6), and the balls (30) at the bottom of the limiting ring (9) being rollingly connected to the interior of the limiting ring groove (10).

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