New energy ship electric propulsion device

Abstract

The invention relates to the field of new energy ships, in particular to a new energy ship electric propulsion device which is characterized in that a shaft cavity is formed in an electric propulsion device body, a tail shaft is rotationally arranged in the shaft cavity, a propeller blade body and a mounting part are sequentially assembled on the tail shaft, and a connecting cavity is formed in the tail shaft; the fixing piece is fixedly arranged on the tail shaft, a fixing cavity is formed in the propeller blade body corresponding to the fixing piece in a matched mode, and a plurality of limiting rods are movably arranged on the fixing piece. According to the propeller blade, the locking threads and the locking screw grooves are arranged in a meshed mode, locking between the limiting rods and the limiting cavities is matched, the propeller blade body and the mounting piece can be fixedly assembled on the tail shaft, the ejection distance of the movable ring can be controlled by controlling opening and closing of the spoiler, a user can conveniently adjust the limiting rods, and the practicability of the propeller blade is improved. The disassembly and assembly mode of the propeller blade body is simple and convenient, and underwater operation of a user is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy ships, and particularly relates to a new energy ship electric propulsion device. Background Art

[0002] A ship electric propulsion device refers to a propulsion method that uses an electric motor to drive a propeller blade to propel the ship. The tail shaft and the propeller blade are key components in the ship electric propulsion device. The tail shaft is the shaft connecting the motor drive mechanism and the propeller, and it is responsible for transmitting the power generated by the electric motor to the propeller to generate thrust through rotation and push the ship forward.

[0003] Traditional propeller blades are often installed on the tail shaft by means of keyway installation, epoxy resin bonding, or hydraulic sleeve connection. The operation steps of these installation methods are relatively troublesome and require a lot of time. Especially in some cases where the propeller blade needs to be replaced underwater, these assembly methods are more disadvantageous for replacing and maintaining the propeller blade. Therefore, there is an urgent need for a new energy ship electric propulsion device that is convenient for replacing and maintaining the propeller blade. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and propose a new energy ship electric propulsion device.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions: A new energy ship electric propulsion device includes an electric propulsion device body. An axial cavity is provided inside the electric propulsion device body. A tail shaft is rotatably provided in the axial cavity. A propeller blade body and a mounting member are sequentially assembled on the tail shaft, and a connection cavity is opened inside the tail shaft; The fixing member is fixedly provided on the tail shaft. A fixing cavity is correspondingly and adaptively opened on the propeller blade body for the fixing member. A plurality of limiting rods are movably provided on the fixing member. One ends of the limiting rods are fixedly connected to a snap ring, and limiting cavities are correspondingly and adaptively opened on the mounting member for the limiting rods; The movable ring is adaptively located and movable on the tail shaft. An inner ring is fixedly provided inside the movable ring. A first spring is installed behind the inner ring, and an adjusting rod for pushing the inner ring is movably provided on the mounting member; The clamping member cavities are arranged in an annular array on the tail shaft. Elastic clamping members for clamping the snap ring are installed in the clamping member cavities. Traction ropes are connected to the bottoms of the elastic clamping members, and movable plates for pulling the traction ropes are movably provided in the clamping member cavities; Friction cavities are arranged in an annular array on the inner ring. Side plates are movably provided on both sides of the friction cavities through second springs, and rough surfaces and smooth surfaces are provided on the side plates; An elongating rod is movably provided on the adjusting rod, and a plurality of flow blocking plates are opened and closed on the elongating rod.

[0006] In addition, a preferred structure is that a plurality of limiting rod cavities are formed in the fixing member, the limiting rods are all adapted to move within the limiting rod cavities, through cavities are correspondingly and adaptively formed in the propeller blade body for the limiting rods, limiting cavities are correspondingly and adaptively formed in the mounting member for the limiting rods, one ends of the limiting rods are fixedly connected to the clamping rings, the clamping rings are adapted to sleeved on the tail shaft and move, clamping grooves are correspondingly and adaptively formed in the inner walls of the clamping rings for the elastic clamping members, and the clamping rings and the movable rings are adapted to attract each other.

[0007] In addition, a preferred structure is that a middle tail shaft cavity adapted to the tail shaft is formed in the propeller blade body, the middle tail shaft cavity and the through cavity are both communicated with the fixing cavity, an outer tail shaft cavity is correspondingly and adaptively formed in the mounting member for the tail shaft, a locking thread is provided on the inner wall of the outer tail shaft cavity, and locking screw grooves are correspondingly and adaptively formed at the ends of the tail shaft for the locking thread.

[0008] In addition, a preferred structure is that an adjustment cavity is formed in the mounting member, an adjustment rod is movably arranged in the adjustment cavity, and a connection cavity is correspondingly and adaptively formed in the tail shaft for the adjustment rod.

[0009] In addition, a preferred structure is that an inner ring is fixedly arranged inside the movable ring through a plurality of connecting rods, inner cavities are correspondingly and adaptively formed in the tail shaft for the connecting rods and the inner ring, a spring cavity communicated with each other is formed at the end of the tail shaft located in the inner cavity, a first spring is installed in the spring cavity towards the inner cavity, the other end of the first spring is connected to the inner ring, and one end of the inner cavity is communicated with the spring cavity and the other end is communicated with the connection cavity.

[0010] In addition, a preferred structure is that elastic clamping members are arranged outwardly in the clamping member cavities, traction ropes are arranged downwardly at the bottoms of the elastic clamping members, and the other ends of the traction ropes are connected to the bottoms of the clamping member cavities.

[0011] In addition, a preferred structure is that movable plates are movably arranged in the clamping member cavities, the traction ropes are all adapted to pass through through holes in the movable plates, a plurality of second springs are installed at one ends of the movable plates, the other ends of the second springs are connected to the inner walls of the clamping member cavities, and the other ends of the movable plates extend out of the clamping member cavities and extend into the inner cavities.

[0012] In addition, a preferred structure is that through friction cavities are correspondingly and adaptively formed in the inner ring for the movable plates, side cavities are formed on both sides of the friction cavity, a plurality of third springs are installed in the inner walls of the side cavities towards the friction cavity, the other ends of the third springs are connected to the side plates, rough surfaces and smooth surfaces are respectively arranged on the side plates, and a transition slope is arranged between the rough surface and the smooth surface.

[0013] In addition, a preferred structure is that a receiving cavity is formed at one end of the adjusting rod inwards, the elongating rod is adaptively stored in the receiving cavity, an internal thread groove is formed at the end of the receiving cavity, and first external threads and second external threads adapted to the internal thread groove are respectively arranged at both ends of the elongating rod.

[0014] In addition, a preferred structure is that a plurality of receiving grooves are formed on one side of the first external threads on the elongating rod, flow blocking plates are rotatably arranged in the receiving grooves through rotating hinges, an adjusting ring adapted to the outside of the first external threads is sleeved on the elongating rod, and a handle is fixedly arranged at the end of the elongating rod.

[0015] The beneficial effects of the present invention are as follows: Through the meshing setting between the locking thread and the locking thread groove, and in cooperation with the locking between the limiting rod and the limiting cavity, the propeller blade body and the mounting part can be fixedly assembled on the tail shaft. By controlling the opening and closing of the flow blocking plate, the ejection distance of the movable ring can be controlled, so as to facilitate the user to adjust the limiting rod. This disassembly and assembly method of the propeller blade body is simple and convenient, and is convenient for the user to operate underwater. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a new energy ship electric propulsion device proposed by the present invention; Figure 2 is Figure 1 the schematic structural diagram after the propeller blade body, the mounting part and the adjusting rod in Figure 3 is a schematic split structural diagram among the propeller blade body, the mounting part, the adjusting rod and the tail shaft proposed by the present invention; Figure 4 is a schematic structural diagram of the propeller blade body proposed by the present invention; Figure 5 is a schematic structural diagram of the mounting part proposed by the present invention; Figure 6 is a schematic structural diagram of the tail shaft and the movable ring proposed by the present invention; Figure 7 is Figure 6 the schematic structural diagram after the movable ring and the snap ring in Figure 8 is Figure 7 the internal structural schematic diagram of the tail shaft in Figure 9 is a schematic structural diagram of the first spring, the movable ring, the snap ring, the adjusting rod and the elastic clamping member proposed by the present invention; Figure 10 is a schematic structural diagram of the clamping member cavity proposed by the present invention; Figure 11 is Figure 10 the schematic structural diagram after the elastic clamping member is retracted in Figure 12 Schematic structural diagram of the movable ring proposed in the present invention; Figure 13 Schematic internal structural diagram of the friction cavity proposed in the present invention; Figure 14 Schematic structural diagram of the side plate proposed in the present invention; Figure 15 Schematic structural diagram of the snap ring proposed in the present invention; Figure 16 Schematic structural diagram of the adjusting rod proposed in the present invention; Figure 17 is Figure 16 explosion structural diagram between the adjusting rod and the lengthening rod in Figure 18 is Figure 17 structural diagram after the flow blocking plate in is opened.

[0017] In the figure: 1 power propulsion device body, 2 propeller blade body, 21 middle tail shaft cavity, 22 through cavity, 23 fixed cavity, 3 mounting part, 31 adjusting cavity, 32 limiting cavity, 33 outer tail shaft cavity, 331 locking thread, 4 adjusting rod, 41 internal thread groove, 411 first external thread, 412 second external thread, 42 lengthening rod, 421 receiving groove, 422 flow blocking plate, 43 handle, 431 adjusting ring, 5 tail shaft, 51 connecting cavity, 52 fixing part, 521 limiting rod cavity, 522 limiting rod, 523 snap ring, 524 clamping groove, 53 inner cavity, 54 spring cavity, 541 first spring, 55 clamping part cavity, 551 elastic clamping part, 552 traction rope, 56 movable plate, 561 second spring, 57 locking thread groove, 6 movable ring, 61 connecting rod, 62 inner ring, 63 friction cavity, 64 side cavity, 65 side plate, 651 rough surface, 652 smooth surface, 66 third spring. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] Refer to Figure 1-2, a shaft cavity is provided inside the main body 1 of the electric propulsion device. A tail shaft 5 is rotatably arranged inside the shaft cavity. A propeller blade body 2 and a mounting member 3 are sequentially assembled on the tail shaft 5. Among them, a motor is provided inside the main body 1 of the electric propulsion device, which converts electrical energy into mechanical energy and outputs it to the transmission mechanism to drive the tail shaft 5 to rotate through the transmission mechanism, so as to drive the propeller blade body 2 to rotate to achieve propulsion. It should be noted that the specific transmission structure inside the main body 1 of the electric propulsion device and the specific propulsion structure of the propeller blade body 2 are both prior arts and do not belong to the technical problem of quickly disassembling and assembling the propeller blade body 2 in this technical solution, so no more details will be given.

[0020] Among them, a suitable sealing structure is provided inside the main body 1 of the electric propulsion device corresponding to the tail shaft 5 to prevent external water from entering the main body 1 of the electric propulsion device through the gap of the tail shaft 5. This is a prior art, so no more details will be given.

[0021] Refer to Figure 2-7 , 15. An integrally formed fixing member 52 is provided on the tail shaft 5, and a fixing cavity 23 is correspondingly and adaptively opened on the propeller blade body 2 corresponding to the fixing member 52. Through the adaptive setting between the fixing member 52 and the fixing cavity 23, the propeller blade body 2 and the tail shaft 5 can be connected together so that the propeller blade body 2 can rotate synchronously with the tail shaft 5.

[0022] Among them, a middle tail shaft cavity 21 adapted to the tail shaft 5 is opened on the propeller blade body 2, an outer tail shaft cavity 33 adapted to the tail shaft 5 is correspondingly opened on the mounting member 3, a locking thread 331 is provided on the inner wall of the outer tail shaft cavity 33, and locking screw grooves 57 are correspondingly and adaptively opened at the ends of the tail shaft 5 corresponding to the locking thread 331.

[0023] A plurality of limiting rod cavities 521 are opened on the fixing member 52, the limiting rods 522 are all adaptively located and movable inside the limiting rod cavities 521, through cavities 22 are correspondingly and adaptively opened on the propeller blade body 2 corresponding to the limiting rods 522, limiting cavities 32 are correspondingly and adaptively opened on the mounting member 3 corresponding to the limiting rods 522, one ends of the limiting rods 522 are fixedly connected to a snap ring 523, the snap ring 523 is sleeved and movable on the tail shaft 5, and clamping grooves 524 are correspondingly and adaptively opened on the inner wall of the snap ring 523 corresponding to the elastic clamping members 551.

[0024] When the user installs the propeller blade body 2 and the mounting member 3, the user only needs to insert the propeller blade body 2 on the tail shaft 5 so that the fixing member 52 is inserted into the fixing cavity 23. At this time, the tail shaft 5 passes through the middle tail shaft cavity 21, and the limiting rods 522 all pass through the through cavity 22. Then the user only needs to assemble the mounting member 3 on the tail shaft 5 through the locking thread 331 and the locking groove 57. When the mounting member 3 is assembled, the limiting cavities 32 on the mounting member 3 are all adapted and aligned with the limiting rods 522. Then the user only needs to adjust the adjusting rod 4 to drive the limiting rods 522 to be inserted into the limiting cavities 32 in a matching manner. In this way, the rotation of the mounting member 3 can be prevented by the matching clamping between the limiting rods 522 and the limiting cavities 32, so as to prevent the loosening between the meshed locking thread 331 and the locking groove 57, and to ensure the installation stability of the propeller blade body 2 and the mounting member 3.

[0025] It should be noted that guide blocks are fixedly arranged on the inner walls of the limiting rod cavities 521, and guide grooves are correspondingly and adaptively formed on the limiting rods 522 for the guide blocks. Through the matching arrangement between the guide blocks and the guide grooves, not only can the stability of the limiting rods 522 during movement be improved, but also the movement stroke of the limiting rods 522 can be limited, and the limiting rods 522 can be prevented from falling off the limiting rod cavities 521.

[0026] Refer to Figure 3-5 As shown in FIGS. 7-9, an adjusting cavity 31 is formed in the mounting member 3, an adjusting rod 4 is movably arranged in the adjusting cavity 31, and a connecting cavity 51 is correspondingly and adaptively formed on the tail shaft 5 for the adjusting rod 4. When the mounting member 3 is assembled on the tail shaft 5, the adjusting rod 4 is adapted and aligned with the connecting cavity 51.

[0027] It should be noted that guide blocks are fixedly arranged on the inner walls of the adjusting cavity 31, and guide grooves are correspondingly and adaptively formed on the adjusting rod 4 for the guide blocks. Through the matching arrangement between the guide blocks and the guide grooves, not only can the stability of the adjusting rod 4 during movement be improved, but also the movement stroke of the adjusting rod 4 can be limited, and the adjusting rod 4 can be prevented from falling off the adjusting cavity 31.

[0028] Wherein, an inner cavity 53 is formed in the tail shaft 5, the inner ring 62 is adapted to be located and move in the inner cavity 53, and the inner ring 62 is fixedly connected to the movable ring 6 through a plurality of connecting rods 61. One end of the inner cavity 53 communicates with the spring cavity 54, and the other end communicates with the connecting cavity 51. A first spring 541 is installed in the spring cavity 54 towards the inner cavity 53, and the other end of the first spring 541 is connected to the inner ring 62.

[0029] A snap ring 523 is movably arranged on the tail shaft 5. The snap ring 523 is fixedly connected to the limit rod 522, and both the snap ring 523 and the movable ring 6 are made of magnetic materials that are adapted to attract each other. It should be noted that the inner diameter of the snap ring 523 is the same as the outer diameter of the tail shaft 5, and the outer diameter of the inner ring 62 is the same as the inner diameter of the inner cavity 53. This enables both the snap ring 523 and the movable ring 6 to move stably on the tail shaft 5 and rotate synchronously with the tail shaft 5.

[0030] Among them, when the installation part 3 is assembled on the tail shaft 5, the adjusting rod 4 is adapted and aligned with the connection cavity 51. At this time, when the user pushes the adjusting rod 4, the adjusting rod 4 can be successively pushed into the connection cavity 51 and the inner cavity 53. Thus, the inner ring 62 can be pushed by the adjusting rod 4 to drive the movable ring 6 to move.

[0031] Moreover, the end of the adjusting rod 4 and the inner ring 62 are both made of magnetic materials that are adapted to attract each other, which enables the adjusting rod 4 to stably contact the inner ring 62. And when the device is working, the adjusting rod 4 and the inner ring 62 can be connected together to prevent the adjusting rod 4 from protruding from the installation part 3.

[0032] Refer to Figure 6 、 10 Referring to FIGS. -11, a plurality of card cavities 55 are arranged in a circular array on the tail shaft 5. Elastic cards 551 are arranged outward in each of the card cavities 55, and card slots 524 are adaptively provided on the inner wall of the snap ring 523 corresponding to the elastic cards 551. Through the mutual engagement between the elastic cards 551 and the card slots 524, the fixing of the snap ring 523 can be achieved, and thus the limit rod 522 can be stably clamped in the limit cavity 32. It should be noted that even when the tail shaft 5 is rotating, the elastic cards 551 are also subject to an outward inertial force, which enables the elastic cards 551 to be more stably clamped in the card slots 524. Therefore, the clamping effect between the elastic cards 551 and the card slots 524 is relatively firm.

[0033] Among them, a movable plate 56 is movably arranged in each of the card cavities 55. The traction ropes 552 are adapted to pass through the through holes on the movable plate 56. A plurality of second springs 561 are installed at one end of the movable plate 56, and the other ends of the second springs 561 are connected to the inner wall of the card cavity 55. The other ends of the movable plates 56 extend out of the card cavities 55 and extend into the inner cavity 53.

[0034] When the movable plate 56 is pushed to the innermost side, the second springs 561 are compressed, and the movement of the movable plate 56 can pull the traction ropes 552 to deform. Thus, the elastic cards 551 can be pulled through the deformation of the traction ropes 552. In this way, the mutual engagement between the elastic cards 551 and the card slots 524 can be released, and at this time, the snap ring 523 can move.

[0035] When the force pushing the movable plate 56 disappears, the compressed second spring 561 can automatically reset by its own elastic force. In cooperation with the elastic force of the elastic clamping member 551, the traction rope 552 can also be automatically straightened. In this way, the double elastic forces between the second spring 561 and the elastic clamping member 551 can drive the movable plate 56 to automatically reset, so that the elastic clamping member 551 is re-engaged with the card slot 524.

[0036] It should be noted that guide blocks are fixedly arranged on both sides of the movable plate 56, and guide grooves are correspondingly and adaptively formed on the inner wall of the clamping member cavity 55 for the guide blocks. Through the adaptive arrangement between the guide blocks and the guide grooves, not only can the stability of the movable plate 56 during movement be improved, but also the movement stroke of the movable plate 56 can be restricted to ensure the accuracy of the movable plate 56 during movement. Figure 10 is the longest extension distance of the movable plate 56, Figure 11 is the deepest distance that the movable plate 56 is pushed in.

[0037] Refer to Figure 12-14 , through holes of friction cavities 63 are correspondingly and adaptively formed on the inner ring 62 for the movable plate 56. Side cavities 64 are formed on both sides of the friction cavity 63, and a plurality of third springs 66 are mounted on the inner walls of the side cavities 64 facing the friction cavity 63. The other ends of the third springs 66 are connected to the side plates 65 respectively. Rough surfaces 651 and smooth surfaces 652 are arranged on the side plates 65, and a transition slope is arranged between the rough surface 651 and the smooth surface 652.

[0038] When the inner ring 62 moves towards the snap ring 523, the movable plate 56 can be adaptively inserted into the friction cavity 63. Since the distance between the two side plates 65 is adapted to the movable plate 56, at this time, the movable plate 56 first contacts the rough surface 651 on the side plate. This enables the movable plate 56 to be pushed by the frictional force between the rough surface 651 and the movable plate 56 when the movable ring 6 moves, so as to push the movable plate 56 inward.

[0039] When the movable plate 56 is pushed to the innermost side, the movable plate 56 cannot move further. At this time, during the movement of the movable ring 6 and the side plate 65, the movable plate 56 cannot be pushed continuously, so the movable ring 6 and the side plate 65 will move directly.

[0040] As the side plate 65 moves, when the smooth surface 652 on the side plate 65 contacts the movable plate 56, the third springs 66 on both sides are compressed. At this time, the rough surfaces 651 do not contact the movable plate 56, and the smooth surface 652 contacts the movable plate 56. At this time, the movable plate 56 can automatically reset through the elastic force of the second spring 561 and the elastic clamping member 551. And during the subsequent movement of the movable ring 6 and the side plate 65, since the smooth surface 652 always contacts the movable plate 56, the side plate 65 cannot continue to push the movable plate 56 inward.

[0041] And when the movable ring 6 and the side plate 65 retract and reset subsequently, even if the rough surface 651 contacts the movable plate 56 again, at this time, since the movable plate 56 is already at the outermost side, the frictional force generated between the rough surface 651 and the movable plate 56 cannot continue to pull out the movable plate 56.

[0042] Refer to Figure 16-18 , a receiving cavity is provided at one end of the adjusting rod 4 inwards, the lengthening rod 42 is adaptively stored in the receiving cavity, an internal thread groove 41 is provided at the end of the receiving cavity, and the two ends of the lengthening rod 42 are respectively provided with adapted first external threads 411 and second external threads 412 corresponding to the internal thread groove 41. When the user needs to store the lengthening rod 42 in the receiving cavity inside the adjusting rod 4, only need to rotate and engage the first external thread 411 and the internal thread groove 41 together, and in this way, the storage of the lengthening rod 42 can be realized.

[0043] When the user needs to pull out the lengthening rod 42, only need to rotate the handle 43 in the reverse direction to release the mutual clamping between the first external thread 411 and the internal thread groove 41. Subsequently, the user only needs to pull out the lengthening rod 42 outwards and rotate the handle 43 appropriately to make the second external thread 412 and the internal thread groove 41 engage and clamp together, and in this way, the extraction of the lengthening rod 42 can be realized. In this way, the lengthening rod 42 can be pulled out during use to ensure the length of the adjusting rod 4. And when not in use, the lengthening rod 42 can be stored to avoid the overly long adjusting rod 4 being exposed outside.

[0044] It should be noted that the diameter of the receiving cavity is adapted to the first external thread 411 and the second external thread 412, so that the first external thread 411 and the second external thread 412 can move inside the receiving cavity.

[0045] Among them, a plurality of receiving grooves 421 are provided on one side of the lengthening rod 42 where the first external thread 411 is located, flow blocking plates 422 are rotatably arranged in the receiving grooves 421 through rotating hinges, an adapted adjusting ring 431 is sleeved on the outside of the lengthening rod 42 where the first external thread 411 is located, and a handle 43 is fixedly arranged at the end of the lengthening rod 42.

[0046] It should be noted that the rotary hinge is a right-angle damping hinge in the prior art to ensure that the baffle 422 will not automatically retract when opening and closing.

[0047] A screw groove adapted to the first external thread 411 is provided on the inner wall of the adjusting ring 431, so that the adjusting ring 431 can rotate on the first external thread 411. Through the setting of the adjusting ring 431, when the baffle 422 is received in the receiving groove 421, the user can rotate one side of the adjusting ring 431 to the outside of the receiving groove 421 to prevent the baffle 422 from unfolding from the receiving groove 421.

[0048] In this embodiment, by installing the propeller blade body 2 on the tail shaft 5 in the electric propulsion device body 1 and cooperating with the locking of the mounting member 3, the fixed connection between the propeller blade body 2 and the tail shaft 5 can be realized. This assembly method of the propeller blade body 2 is simple and fast, especially when installing in an underwater environment, which is convenient for the user to operate.

[0049] Furthermore, when the user needs to install the propeller blade body 2, only need to insert the propeller blade body 2 on the tail shaft 5, so that the fixing member 52 on the tail shaft 5 is inserted into the fixing cavity 23 on the propeller blade body 2. The end of the tail shaft 5 passes through and extends from the middle tail shaft cavity 21 on the propeller blade body 2, and the limiting rods 522 on the fixing member 52 all pass through the through cavity 22.

[0050] Subsequently, the user only needs to connect the outer tail shaft cavity 33 on the mounting member 3 with the tail shaft 5 and rotate the mounting member 3, so that it is fixedly installed on the tail shaft 5 through the engagement of the locking thread 331 and the locking screw groove 57. Through the setting of the mounting member 3, the locking of the propeller blade body 2 can be realized to prevent the propeller blade body 2 from falling off the tail shaft 5.

[0051] Furthermore, after the mounting member 3 is assembled, the limiting rods 522 are all aligned with the limiting cavity 32, and one end of the adjusting rod 4 on the mounting member 3 is inserted into the connecting cavity 51.

[0052] At this time, the elongating rod 42 on the adjusting rod 4 is in the extended state, and the baffle 422 is in the received state. The user only needs to push the handle 43 inward, then the adjusting rod 4 can be pushed through the connecting cavity 51 and extend into the inner cavity 53 to push the inner ring 62. In this way, the inner ring 62 can be pushed to the innermost side of the inner cavity 53 through the adjusting rod 4, and at this time the first spring 541 is compressed.

[0053] When the adjusting rod 4 is pushed to the innermost side and cannot be pushed anymore, the user only needs to release the adjusting rod 4. At this time, the adjusting rod 4 no longer pushes the inner ring 62, and the inner ring 62 and the movable ring 6 can automatically pop out outward by the elastic force of the first spring 541.

[0054] During the process of the movable ring 6 popping outwards, it can push the snap ring 523 outwards, so that the limiting rod 522 can be pushed outwards by the movement of the snap ring 523, and the limiting rod 522 can be adaptively inserted into the limiting cavity 32. When the limiting rod 522 completely enters the limiting cavity 32, the snap ring 523 is adaptively pushed to the outside of the clamping member cavity 55. At this time, the elastic clamping member 551 in the clamping member cavity 55 can automatically be clamped in the clamping groove 524 to fix the snap ring 523. After the snap ring 523 is locked and fixed, the movable ring 6 without power can be automatically pulled back to its original position by the elastic force of the first spring 541 again.

[0055] Through the adaptive clamping between the limiting rod 522 and the limiting cavity 32, the locking of the mounting member 3 can be realized to prevent the mounting member 3 from rotating, thereby preventing loosening between the locking thread 331 for engaging the mounting member 3 and the locking groove 57. Through this locking structure, the quick installation of the propeller blade body 2 and the mounting member 3 can be realized. Subsequently, the user only needs to rotate the mounting member 3. If the mounting member 3 cannot rotate, it proves that the limiting rod 522 and the limiting cavity 32 are adaptively clamped together. If the mounting member 3 can rotate, it means that the limiting rod 522 and the limiting cavity 32 are not locked together, and then this operation is continued.

[0056] Finally, the user only needs to first drive the lengthening rod 42 to rotate through the handle 43 to release the engagement between the second external thread 412 and the internal thread groove 41. Subsequently, the user can push the lengthening rod 42 into the storage cavity. Finally, the user drives the lengthening rod 42 to rotate through the handle 43 again to engage and clamp the first external thread 411 at the other end of the lengthening rod 42 on the internal thread groove 41 to fix the lengthening rod 42 in the storage cavity, thereby realizing the storage of the lengthening rod 42. In this way, the lengthening rod 42 can be pulled out during use to ensure the length of the adjusting rod 4. And when not in use, the lengthening rod 42 can be stored to avoid the too long adjusting rod 4 being exposed outside.

[0057] Furthermore, when the user needs to disassemble and overhaul the propeller blade body 2, only need to first drive the lengthening rod 42 to rotate through the handle 43 to release the engagement between the first external thread 411 and the internal thread groove 41. Subsequently, the lengthening rod 42 can be pulled out from the storage cavity. Then continue to drive the lengthening rod 42 to rotate through the handle 43 to engage the second external thread 412 on the internal thread groove 41, thereby realizing the stable pulling out of the lengthening rod 42.

[0058] Next, the user only needs to pull out the baffle plates 422 in the storage groove 421 outwards evenly to switch the baffle plates 422 to the unfolded state. Subsequently, the user only needs to push the handle 43 inwards to drive the adjusting rod 4 to push the inner ring 62 inwards again, so as to compress the first spring 541 again. When the adjusting rod 4 is pushed into the innermost side, the user only needs to release the adjusting rod 4. At this time, the inner ring 62 and the movable ring 6 can move outwards again through the elastic force of the first spring 541. However, at this time, since the baffle plates 422 on the lengthening rod 42 are in the unfolded state and are underwater, the lengthening rod 42 will receive a large resistance from the water flow during reset, so as to reduce the distance when the inner ring 62, the movable ring 6 and the adjusting rod 4 are ejected by the first spring 541.

[0059] When the ejected inner ring 62 moves to the movable plate 56, it can push the movable plate 56 inwards through the rough surface 651 on the side plate 65, so as to pull the traction rope 552 through the movable plate 56, thereby pulling the clamping end of the elastic clamping member 551 inwards. In this way, the mutual clamping between the elastic clamping member 551 and the clamping groove 524 can be released, and at this time the clamping ring 523 is no longer fixed.

[0060] Since the movable ring 6 and the clamping ring 523 are made of magnetic materials that are adapted to attract each other, when the clamping ring 523 is no longer fixed, it can automatically move towards the movable ring 6 through the magnetic attraction force and adsorb together with the movable ring 6. Subsequently, the movable ring 6 is pulled back to the reset position again by the first spring 541, and drives the clamping ring 523 to move inwards as well. Thus, the limiting rod 522 can be driven to move inwards synchronously through the movement of the clamping ring 523, so as to release the mutual clamping between the limiting rod 522 and the limiting cavity 32. At this time, the installation part 3 can be rotated. It should be noted that due to the movement stroke limit of the clamping ring 523 by the limiting rod 522, when the movable ring 6 is completely reset by the first spring 541, since the clamping ring 523 cannot move such a long distance, the clamping ring 523 and the movable ring 6 are separated.

[0061] Finally, the user only needs to rotate and unscrew the installation part 3, and then pull the propeller blade body 2 outwards to remove it, so as to realize the removal of the propeller blade body 2.

[0062] In this technical solution, since the installation environment of the propeller blade body 2 is underwater, during the installation process, by controlling the unfolding or closing of the baffle plates 422, the distance between the ejected inner ring 62 and the movable ring 6 can be controlled. When the user needs to operate in a dock on the water, only the assembly part needs to be soaked in water to perform the operation.

[0063] When the baffle plates 422 are closed, the distance of the movable ring 6 ejected by the first spring 541 is longer. At this time, the clamping ring 523 can be pushed into the clamping part cavity 55 and fixed through the movable ring 6, so as to realize the mutual clamping between the limiting rod 522 and the limiting cavity 32.

[0064] When the baffle 422 is opened, due to the limitation of water flow resistance, the distance that the movable ring 6 ejected by the first spring 541 shortens. At this time, the movable ring 6 cannot push the snap ring 523. And at this time, the ejected movable ring 6 can move to the movable plate 56 to release the engagement between the elastic fastener 551 and the card slot 524 through the movable plate 56, thereby releasing the fixation of the snap ring 523. At this time, the snap ring 523 can be adsorbed to the movable ring 6 by magnetic attraction force, so that the engagement between the limiting rod 522 and the limiting cavity 32 can be released by the movement of the snap ring 523.

[0065] Further, when the baffle 422 is closed, the ejection distance of the inner ring 62 is longer. At this time, when the inner ring 62 ejects, the movable plate 56 is adaptively inserted into the friction cavity 63. Since the distance between the two side plates 65 is adapted to the movable plate 56, the movable plate 56 first contacts the rough surface 651 on the side plate 65 at this time. This enables the movable plate 56 to be pushed by the frictional force between the rough surface 651 and the movable plate 56 when the inner ring 62 moves, so as to push the movable plate 56 inward.

[0066] When the movable plate 56 is pushed to the innermost side, the second spring 561 is compressed and the towing rope 552 is bent, so that the engaging end of the elastic fastener 551 can be pulled into the fastener cavity 55 through the towing rope 552. At this time, the movable plate 56 cannot move further due to the stroke limitation. Therefore, during the movement of the movable ring 6 and the side plate 65, the movable plate 56 cannot be pushed continuously, so the movable ring 6 and the side plate 65 will move directly.

[0067] With the continuous movement of the side plate 65, when the smooth surface 652 on the side plate 65 contacts the movable plate 56, the two third springs 66 are compressed, and the side plate 65 also moves into the side cavity 64. At this time, the rough surface 651 does not contact the movable plate 56, and the smooth surface 652 contacts the movable plate 56, and the frictional force at this time decreases. At this time, the movable plate 56 can automatically reset through the elastic force of the second spring 561 and the elastic fastener 551. The movable plate 56 no longer pulls the towing rope 552, and the elastic fastener 551 also automatically resets. And during the subsequent inward movement of the movable ring 6 and the side plate 65, since the smooth surface 652 always contacts the movable plate 56, the side plate 65 cannot continue to push the movable plate 56 inward.

[0068] And during the subsequent retraction and reset of the movable ring 6 and the side plate 65, although the rough surface 651 contacts the movable plate 56 again, at this time, since the side plate 65 is moving inward, it cannot pull the movable plate 56, so it has no influence on the elastic fastener 551.

[0069] Further, when the baffle 422 is opened, the ejection distance of the inner ring 62 is shortened. At this time, when the inner ring 62 ejects, its ejection distance can only support the rough surface 651 to contact the movable plate 56, but cannot support the smooth surface 652 to contact the movable plate 56.

[0070] Therefore, when the inner ring 62 ejects at this time, it can still push the movable plate 56 through the frictional force between the rough surface 651 and the movable plate 56, so as to push the movable plate 56 inward, and pull the elastic latch 551 downward through the movement of the movable plate 56.

[0071] However, subsequently, the thrust of the inner ring 62 basically disappears. Therefore, at this time, the inner ring 62 is about to retract through the first spring 541. During the process of about to retract, since the locking between the elastic latch 551 and the card slot 524 has been released, the snap ring 523 can be adsorbed onto the movable ring 6 through magnetic attraction. Therefore, when the inner ring 62 is pulled back to its original position through the first spring 541, it can drive the snap ring 523 to retract. And when the inner ring 62 retracts, the movable plate 56 can also automatically return to its original position.

[0072] Through this setting method, the movable plate 56 can be pushed inward only when it contacts the rough surface 651, so as to realize the pulling of the elastic latch 551. When the movable plate 56 contacts the smooth surface 652 or does not contact the side plate 65, the movable plate 56 will not be pushed, so it will not affect the elastic latch 551. It should be noted that when the inner ring 62 retracts, even if the movable plate 56 contacts the rough surface 651, it cannot push the movable plate 56 inward.

[0073] In the present invention, through the meshing setting between the locking thread 331 and the locking groove 57, and the locking between the limiting rod 522 and the limiting cavity 32, the propeller blade body 2 and the mounting member 3 can be fixedly assembled on the tail shaft 5. By controlling the opening and closing of the baffle 422, the ejection distance of the movable ring 6 can be controlled, so as to facilitate the user to adjust the limiting rod 522. This disassembly and assembly method of the propeller blade body 2 is simple and convenient, and is convenient for the user to operate underwater.

[0074] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A new energy ship electric propulsion device, characterized in that: include: An electric propulsion device body (1), wherein an axial cavity is provided in the electric propulsion device body (1), a tail shaft (5) is rotatably provided in the axial cavity, a propeller blade body (2) and a mounting member (3) are sequentially mounted on the tail shaft (5), and a connecting cavity (51) is provided in the tail shaft (5); A fixing member (52), the fixing member (52) being fixedly arranged on the tail shaft (5), a fixing cavity (23) being adapted to be opened on the propeller blade body (2) corresponding to the fixing member (52), a plurality of limit rods (522) being movably arranged on the fixing member (52), one end of each of the limit rods (522) being fixedly connected to a clamping ring (523), and a limit cavity (32) being adapted to be opened on the mounting member (3) corresponding to the limit rods (522); A movable ring (6), the movable ring (6) being adapted to be movably disposed on the tail shaft (5), an inner ring (62) being fixedly disposed inside the movable ring (6), a first spring (541) being mounted behind the inner ring (62), and an adjusting rod (4) for pushing the inner ring (62) being movably disposed on the mounting member (3); A clamping piece cavity (55), the clamping piece cavity (55) being provided in a ring array on the tail shaft (5), wherein elastic clamping pieces (551) for clamping the clamping ring (523) are installed in the clamping piece cavity (55), the bottom of each elastic clamping piece (551) is connected to a traction rope (552), and a movable plate (56) for pulling the traction rope (552) is movably provided in each clamping piece cavity (55); Friction chambers (63), the friction chambers (63) being arranged in an annular array on the inner ring (62), side plates (65) being movably provided on both sides of the friction chambers (63) via second springs (561), and the side plates (65) being provided with a rough surface (651) and a smooth surface (652); A stretch rod (42), wherein the adjustment rod (4) is movably provided with the stretch rod (42), and a plurality of spoiler plates (422) are opened and closed on the stretch rod (42).

2. A new energy ship electric propulsion device according to claim 1, characterized in that: The fixing member (52) is provided with a plurality of limit rod cavities (521), the limit rods (522) are adapted to be positioned and movable in the limit rod cavities (521), the corresponding limit rods (522) on the propeller blade body (2) are adapted to be provided with through cavities (22), the corresponding limit rods (522) on the mounting member (3) are adapted to be provided with limit cavities (32), one end of the limit rods (522) is fixedly connected to a clamping ring (523), the clamping ring (523) is adapted to be mounted and movable on the tail shaft (5), the inner wall of the clamping ring (523) is adapted to be provided with clamping grooves (524) corresponding to the elastic clamping member (551), and the clamping ring (523) and the movable ring (6) are adapted to be attracted to each other.

3. A new energy ship electric propulsion device according to claim 1, characterized in that: The propeller blade body (2) is provided with a middle tail shaft cavity (21) adapted to the tail shaft (5); the middle tail shaft cavity (21) and the through cavity (22) are both communicated with the fixed cavity (23); an outer tail shaft cavity (33) is adapted to correspond to the tail shaft (5) on the mounting member (3); a locking thread (331) is provided on the inner wall of the outer tail shaft cavity (33); and a locking screw groove (57) is adapted to correspond to the locking thread (331) at the end of the tail shaft (5).

4. A new energy ship electric propulsion device according to claim 1, characterized in that: The mounting member (3) is provided with an adjustment cavity (31), an adjustment rod (4) is movably arranged in the adjustment cavity (31), and a connection cavity (51) is adapted to be provided on the tail shaft (5) corresponding to the adjustment rod (4).

5. A new energy ship electric propulsion device according to claim 4, characterized in that: An inner ring (62) is fixedly arranged inside the movable ring (6) via a plurality of connecting rods (61); an inner cavity (53) is adapted to be opened in the tail shaft (5) corresponding to the connecting rods (61) and the inner ring (62); a spring cavity (54) is opened at the end of the inner cavity (53) on the tail shaft (5); a first spring (541) is installed in the spring cavity (54) facing the inner cavity (53); the other end of the first spring (541) is connected to the inner ring (62); one end of the inner cavity (53) is connected to the spring cavity (54), and the other end is connected to the connecting cavity (51).

6. A new energy ship electric propulsion device according to claim 5, characterized in that: An elastic clamp (551) is disposed outwardly in the clamp cavity (55), a traction rope (552) is disposed downwardly at the bottom of the elastic clamp (551), and the other end of the traction rope (552) is connected to the bottom of the clamp cavity (55).

7. A new energy ship electric propulsion device according to claim 6, characterized in that: A movable plate (56) is movably arranged in the clamp cavity (55), and the traction rope (552) is adapted to pass through a through hole on the movable plate (56). A plurality of second springs (561) are installed at one end of the movable plate (56), and the other ends of the second springs (561) are connected to the inner wall of the clamp cavity (55). The other ends of the movable plates (56) extend out from the clamp cavity (55) and extend into the inner cavity (53).

8. A new energy ship electric propulsion device according to claim 7, characterized in that: The inner ring (62) is adapted to be provided with a friction cavity (63) passing through the corresponding movable plate (56), and side cavities (64) are provided on both sides of the friction cavity (63). A plurality of third springs (66) are installed on the inner wall of the side cavity (64) facing the friction cavity (63), and the other ends of the third springs (66) are connected to the side plates (65). The side plates (65) are respectively provided with a rough surface (651) and a smooth surface (652), and a transition slope is provided between the rough surface (651) and the smooth surface (652).

9. A new energy ship electric propulsion device according to claim 1, characterized in that: One end of the adjusting rod (4) is provided with a storage cavity inwardly, and the elongated rod (42) is adapted to be stored in the storage cavity. An inner screw groove (41) is provided at the end of the storage cavity, and the two ends of the elongated rod (42) are respectively provided with a first outer thread (411) and a second outer thread (412) adapted to correspond to the inner screw groove (41).

10. A new energy ship electric propulsion device according to claim 9, characterized in that: The elongated rod (42) is provided with a plurality of receiving grooves (421) on one side of the first external thread (411), each receiving groove (421) being provided with a baffle (422) rotatably arranged via a rotary hinge, an adaptable adjustment ring (431) is sleeved on the outer side of the elongated rod (42) on the first external thread (411), and a handle (43) is fixedly arranged at the end of the elongated rod (42).

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