CN113184155B - Overturning locking mechanism and marine propeller hanger - Google Patents

Abstract

The application relates to the technical field of marine equipment, in particular to a turnover locking mechanism and a marine paddle hanging machine, wherein the turnover locking mechanism comprises a mounting hook, an angle adjusting bracket and a lifting motor, the mounting hook is fixedly arranged, a sliding groove is formed in the mounting hook, the angle adjusting bracket is movably assembled in the sliding groove, the lifting motor is fixedly arranged on the mounting hook, the output end of the lifting motor is connected with a lifting shaft, a lifting belt is arranged on the lifting shaft, one end of the lifting belt is fixed on the lifting shaft, the other end of the lifting belt is fixed on the angle adjusting bracket, and when the lifting shaft winds the lifting belt, the angle adjusting bracket moves along the sliding groove. The marine propeller hanging machine provided by the application not only can realize electric lifting of the machine body, but also can reduce the water resistance, and can rectify water flow, thereby reducing noise and improving efficiency.

Description

Overturning locking mechanism and marine propeller hanger

Technical Field

The application relates to the technical field of marine equipment, in particular to a turnover locking mechanism and a marine propeller hanging machine.

Background

The marine propeller-hanging machine is formed by combining a gasoline engine and a propeller into a whole, is hung at the stern, the propeller stretches into water, the gasoline engine drives the propeller to rotate, the water is pushed to the ship, the ship is pushed to advance by the reaction force of the water, and the whole machine body moves during steering, so that the direction of pushing the water by the propeller is changed, and the ship is steered.

The application patent with the application number of '201609399615. X' and the name of 'electric marine propeller hanging machine' discloses an electric marine propeller hanging machine, the propeller hanging machine comprises a machine body and a turnover locking mechanism, the turnover locking mechanism comprises a rotating shaft mounting seat and a mounting hook, the rotating shaft mounting seat is rotationally connected with the machine body through a first rotating shaft so that the machine body can turn, the rotating shaft mounting seat is rotationally connected with the mounting hook through a second rotating shaft so that the machine body can be subjected to angle adjustment and turnover, the machine body is locked with the machine body through a second bolt after the angle adjustment, the machine body is simultaneously locked with the machine body through a first bolt and a second bolt after the turnover, and the structure has the following problems:

when the machine body is turned over or the height is adjusted, the machine body is required to be manually adjusted, and parts such as a motor, an impeller and the like are fixed on the machine body, so that the whole volume and the whole weight are large, and the machine body is very laborious in turning over or the height is adjusted.

The second bolt is pulled open before the machine body is turned over, then the machine body is turned over manually, and the stop lever is inserted into a new second stop lever hole after the manual turning over is finished, so that the operation is inconvenient; the pin shaft is required to be pulled out first when the height is adjusted, and then the pin shaft is reinserted after the height is adjusted, so that the device is inconvenient.

The body has a limited turning angle, and the body is difficult to turn over to be higher than the water surface, so that the body is still immersed in water to be eroded by water, and the service life is reduced.

Disclosure of Invention

The application provides a turnover locking mechanism which can electrically control the turnover operation and the height adjustment and is very convenient and fast, and solves the technical problems that in the prior art, the turnover operation or the height adjustment is laborious and inconvenient due to the turnover locking mechanism on a marine propeller hanging machine.

The technical scheme of the application is as follows:

a flip-flop locking mechanism comprising:

the installation hook is configured to be fixedly installed, and a sliding groove is formed in the installation hook;

the angle adjusting bracket is movably assembled on the sliding groove;

the lifting motor is fixedly mounted on the mounting hook, the output end of the lifting motor is connected with a lifting shaft, a lifting belt is arranged on the lifting shaft, one end of the lifting belt is fixed on the lifting shaft, the other end of the lifting belt is fixed on the angle adjusting support, and when the lifting shaft is used for winding and unwinding the lifting belt, the angle adjusting support moves along the sliding groove.

Further, a first sliding shaft and a second sliding shaft are arranged on the angle adjusting support, the first sliding shaft and the second sliding shaft are relatively fixed, and the first sliding shaft and the second sliding shaft are both assembled in the sliding groove in a sliding mode.

Further, the sliding groove comprises a vertical section, a horizontal section and a transition section, the first end of the sliding groove is formed in the vertical section, the tail end of the sliding groove is formed in the horizontal section, when the first sliding shaft slides to the first end of the sliding groove, the angle adjusting bracket is positioned at an initial position, and when the second sliding shaft slides to the tail end of the sliding groove, the angle adjusting bracket is tilted.

Further, the installation couple includes first couple board and second couple board, first couple board and second couple board fixed connection, the sliding tray is including the first sliding tray and the second sliding tray of symmetry setting, first sliding tray is disposed on the first couple board, the second sliding tray is disposed on the second couple board, the first end of first sliding shaft and the first end sliding assembly of second sliding shaft are in the first sliding tray, the second end sliding assembly of first sliding shaft and the second end sliding assembly of second sliding shaft are in the second sliding tray.

Further, a tensioning rod is arranged between the first hook plate and the second hook plate, the tensioning rod is arranged at the corner of the sliding groove, and the tensioning rod is arranged below the lifting belt and is used for tensioning the lifting belt.

In another aspect of the present application, a marine propeller hanging machine is provided, including a flip locking mechanism as described in any one of the above, the flip locking mechanism further includes a body mounting bracket and a positioning pin, the body mounting bracket is hinged to the angle adjusting bracket through the second sliding shaft, a plurality of adjusting holes are formed in the angle adjusting bracket, positioning holes are correspondingly formed in the body mounting bracket, and the positioning pin is inserted into the positioning hole and one of the adjusting holes to lock the body mounting bracket and the angle adjusting bracket.

Further, the marine propeller hanging machine further comprises a machine body, and the machine body is rotatably connected with the machine body mounting bracket.

Further, the marine oar machine of hanging still includes first steering spindle and second steering spindle, the organism installing support includes first steering hole and second steering hole, first steering spindle's first end passes first steering hole, first steering spindle's second end by the first fastening structure fastening on the organism, second steering spindle's first end passes the second steering hole, second steering spindle's second end by the second fastening structure fastening on the organism, first steering spindle and second steering spindle's middle part all are equipped with the axle fender that is used for spacing.

Further, the marine paddle hanging machine further comprises a propulsion motor, a transmission assembly and an impeller, a propulsion motor shaft of the propulsion motor is in transmission connection with an impeller shaft of the impeller through the transmission assembly, the transmission assembly is arranged in the machine body, the transmission assembly comprises a driving belt wheel assembled on the propulsion motor shaft and a driven belt wheel assembled on the impeller shaft, the driving belt wheel is in transmission connection with the driven belt wheel through a transmission belt, the machine body comprises a first cavity and a second cavity, and loose edges and tight edges of the transmission belt are respectively arranged in the first cavity and the second cavity.

Further, a guide cover is fixed on the machine body, the guide cover is fixed above the impeller, and the guide cover, the first cavity and the second cavity form a guide area.

After the technical scheme is adopted, compared with the prior art, the application has the following beneficial effects:

according to the lifting hook, the lifting motor is arranged on the mounting hook, and the lifting belt can be retracted and released by the lifting motor to conduct height adjustment and overturning operation on the machine body, so that the labor is saved, and the operation is convenient.

According to the application, the sliding groove is arranged in the mounting hook, so that the guiding and limiting functions can be simultaneously realized, and the angle adjusting bracket and the machine body can be kept stable and cannot shake in the moving process.

The sliding groove comprises the vertical section, the horizontal section and the transition section, wherein the vertical section is arranged to enable the angle adjusting bracket and the machine body to be adjusted in height, the horizontal section and the transition section are arranged to enable the angle adjusting bracket and the machine body to be turned over in a large angle, and the turning angle is larger than 90 degrees, so that the whole machine body can be turned over to be above the water surface when the sliding groove is not used, and long-term erosion by water is avoided.

According to the application, the loose edge of the driving belt is arranged in the first cavity of the machine body, and the tight edge of the driving belt is arranged in the second cavity, and a distance space which is larger than or equal to the outer diameter of the driving belt pulley or the driven belt pulley is required to be reserved between the loose edge and the tight edge of the driving belt.

According to the application, the guide cover, the first cavity and the second cavity form the guide area by arranging the guide cover, and the guide area can rectify water flowing from the side, so that the water flows axially flow through the impeller after rectification, the influence of the lateral water flow on the operation of the impeller is reduced, cavitation is not generated at the upper half part of the impeller, noise is reduced, and the operation efficiency is further improved.

Drawings

FIG. 1 is a schematic view showing the installation of a mounting hook and an angle adjusting bracket according to the first embodiment;

FIG. 2 is an overall schematic diagram of a flip lock mechanism according to the first embodiment;

fig. 3 is a schematic structural view of a first sliding shaft and a second sliding shaft according to the first embodiment;

fig. 4 is a schematic structural diagram of a sliding groove according to the first embodiment;

fig. 5 is a schematic structural view of a mounting hook according to the first embodiment;

FIG. 6 is a schematic view showing the installation of a body mounting bracket and an angle adjusting bracket according to the first embodiment;

FIG. 7 is a side view of the flip locking mechanism of the first embodiment;

FIG. 8 is a cross-sectional view of the flip lock mechanism of the first embodiment;

FIG. 9 is a side view of the flip lock mechanism of the first embodiment after the body angle is adjusted;

FIG. 10 is a side view of the flip lock mechanism of the first embodiment after the body is flipped;

fig. 11 is a schematic structural view of a body and a body mounting bracket according to the second embodiment;

FIG. 12 is an exploded view of the mounting of the body and body mounting bracket of the second embodiment;

fig. 13 is a schematic structural diagram of a machine body according to the second embodiment under a first view angle;

fig. 14 is a schematic structural diagram of the body of the second embodiment under a second view angle;

fig. 15 is a schematic structural view of a separator according to the second embodiment;

FIG. 16 is a schematic view of a transmission assembly according to a second embodiment;

fig. 17 is a schematic diagram of a motor installation position according to the second embodiment;

fig. 18 is a schematic structural view of a transmission assembly according to the third embodiment.

Wherein,,

the device comprises a turnover locking mechanism 1, a mounting hook 11, a lifting motor 111, a lifting shaft 112, a lifting belt 113, a sliding groove 114, a vertical section 1141, a horizontal section 1142, a transition section 1143, an ear plate 115, a first hook plate 116, a second hook plate 117, a supporting rod 118, a tensioning rod 119, an angle adjusting bracket 12, a first sliding shaft 121, a second sliding shaft 122, an adjusting hole 123, a machine body mounting bracket 13, a first steering hole 131, a second steering hole 132, a positioning hole 133 and a positioning pin 14; the steering device comprises a machine body 2, a first cavity 21, a second cavity 22, a third cavity 23, a fourth cavity 24, a mounting seat 25, a partition plate 26, a first hoop seat 27, a second hoop seat 28 and a steering operation handle 29; the steering device comprises a first steering shaft 31, a second steering shaft 32, a shaft block 33, a steering shaft sleeve 34, a first hoop 35 and a second hoop 36; a propulsion motor 4 for propelling the motor shaft 41, the impeller shaft 42, the tensioning shaft 43 and the tensioning shaft 44; the belt conveyer comprises a driving belt pulley 51, a driven belt pulley 52, a tension pulley 53, a tension pulley 54, a driving belt 55, a loose edge 551 and a tight edge 552; an impeller 6; a deflector 7 and a deflector area 71.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

Example 1

As shown in fig. 1 to 10, the present embodiment provides a flip lock mechanism 1, which includes a mounting hook 11, an angle adjusting bracket 12 and a lifting motor 111, wherein the mounting hook 11 is fixedly mounted on a hull (not shown in the drawings) through an ear plate 115, a sliding groove 114 is provided on the mounting hook 11, the angle adjusting bracket 12 is slidably fitted in the sliding groove 114, and the angle adjusting bracket 12 is further connected to an organism 2. Further, the lifting motor 111 is fixedly installed on the installation hook 11, the output end of the lifting motor 111 is connected with the lifting shaft 112, the lifting shaft 112 is provided with the lifting belt 113, one end of the lifting belt 113 is fixed on the lifting shaft 112, the other end of the lifting belt 113 is fixed on the angle adjusting bracket 12, and when the lifting shaft 112 winds or drops the lifting belt 113, the angle adjusting bracket 12 drives the machine body 2 to slide along the sliding groove 114.

Thus, in this embodiment, by providing the lifting motor 111 on the mounting hook 11, when the height of the machine body 2 is adjusted, the sliding groove 114 is set to be vertical, and the lifting belt 113 is retracted by the lifting motor 111, so that the height of the angle adjusting bracket 12 and the machine body 2 can be adjusted; when the machine body 2 is turned over, the sliding groove 114 is arranged to be in a bent shape, the lifting belt 113 is retracted through the lifting motor 111, and the angle adjusting bracket 12 and the machine body 2 can be turned over along the bent sliding groove 114, so that the height adjusting and turning operation are electrically controlled, labor is saved, and the operation is quite convenient. And a desired turning angle can be obtained by providing the size and shape of the bent sliding groove 114, preventing the body 2 from being corroded by water for a long period of time. In addition, the sliding groove 114 plays a role of guiding and limiting at the same time, so that the angle adjusting bracket 12 and the body 2 are kept stable without shaking during movement.

As shown in fig. 1 and 3, the angle adjusting bracket 12 of the present embodiment is provided with a first sliding shaft 121 and a second sliding shaft 122, where the positions of the first sliding shaft 121 and the second sliding shaft 122 are relatively fixed, and the first sliding shaft 121 and the second sliding shaft 122 are both slidably or rollably assembled in the sliding groove 114, so that the angle adjusting bracket 12 slides along the sliding groove 114 through the first sliding shaft 121 and the second sliding shaft 122 at the same time, so that the angle adjusting bracket 12 is more stable in the sliding process.

Preferably, as shown in fig. 1 and 4, the sliding groove 114 of the present embodiment includes a vertical section 1141, a horizontal section 1142 and a transition section 1143, the head end of the sliding groove 114 is formed in the vertical section 1141, the tail end of the sliding groove 114 is formed in the horizontal section 1142, when the angle adjustment bracket 12 is in the initial position, the first sliding shaft 121 is at the head end of the sliding groove 114, and the second sliding shaft 122 is above the first sliding shaft 121; when the angle adjusting bracket 12 starts to turn over, the second sliding shaft 122 and the first sliding shaft 121 slide along the track of the sliding groove 114; when the second slide shaft 122 slides to the end of the slide groove 114, the angle adjustment bracket 12 is tilted. The vertical section 1141 is provided in this embodiment to enable the angle adjusting bracket 12 and the machine body 2 to be highly adjusted, and the horizontal section 1142 and the transition section 1143 are provided to enable the angle adjusting bracket 12 and the machine body 2 to be turned over at a large angle, and the turning angle is greater than 90 degrees, as shown in fig. 10, so that the whole machine body 2 can be turned over to above the water surface when not in use, thereby avoiding long-term erosion by water.

As shown in fig. 5, the mounting hook 11 of the present embodiment includes a first hook plate 116 and a second hook plate 117, the first hook plate 116 and the second hook plate 117 are fixedly connected by a plurality of support rods 118, the sliding groove 114 includes a first sliding groove and a second sliding groove that are symmetrically disposed, the first sliding groove is disposed inside the first hook plate 116, the second sliding groove is disposed inside the second hook plate 117, and the first sliding groove and the second sliding groove are disposed opposite to each other. The first end of the first sliding shaft 121 and the first end of the second sliding shaft 122 are slidably fitted in the first sliding groove, and the second end of the first sliding shaft 121 and the second end of the second sliding shaft 122 are slidably fitted in the second sliding groove. The provision of two sliding grooves in this way further prevents the angle adjusting bracket 12 and the machine body 2 from rocking during movement. In this embodiment, the first sliding shaft 121 is in interference fit with the angle adjusting bracket 12, the second sliding shaft 122 is in interference fit with the angle adjusting bracket 12, and two ends of the first sliding shaft 121 and two ends of the second sliding shaft 122 are arranged to slide in the sliding groove, and in other embodiments, bearings or sliding sleeves can be respectively arranged at two ends of the two sliding shafts to realize rolling assembly, so that friction is reduced.

As shown in fig. 1, the lifting motor 111 is fixedly mounted on the second hook plate 117, the lifting shaft 112 is rotatably mounted between the first hook plate 116 and the second hook plate 117, further, a tension rod 119 is provided between the first hook plate 116 and the second hook plate 117, the tension rod 119 is disposed at a corner of the transition section 1143 on the sliding groove 114, and the tension rod 119 is disposed below the lifting belt 113 and tensions the lifting belt 113. Thus, by providing the tension lever 119, on the one hand, tension is provided so that the lifting belt 113 can well pull the angle-adjusting bracket 12, and on the other hand, the lifting belt 113 is facilitated to pull the angle-adjusting bracket 12 upward, thereby facilitating the turning of the angle-adjusting bracket 12.

As shown in fig. 6-9, the turnover locking mechanism 1 of the present embodiment further includes a body mounting bracket 13 and a positioning pin 14, the body mounting bracket 13 is hinged to the angle adjusting bracket 12 through a second sliding shaft 122, a plurality of adjusting holes 123 are formed in the angle adjusting bracket 12, a positioning hole 133 is correspondingly formed in the body mounting bracket 13, and the body mounting bracket 13 is locked to the angle adjusting bracket 12 when the positioning pin 14 is inserted into the positioning hole 133 and one of the adjusting holes 123. When the pushing angle needs to be changed, only the positioning pin 14 needs to be pulled out, the angle of the machine body mounting bracket 13 is manually adjusted, and after the adjustment is completed, the positioning pin 14 is inserted into the positioning hole 133 and the new adjusting hole 123 to be locked.

From the above, it can be seen that the overturning locking mechanism provided by the embodiment can electrically lift, is convenient and fast to operate, can realize large-angle overturning of the machine body, prevents the machine body from being corroded by water for a long time, and prolongs the service life.

Example two

As shown in fig. 11-17, the present embodiment provides a paddle hanging machine, which includes the flip locking mechanism 1 of the first embodiment, and further includes a machine body 2, where the machine body 2 is rotatably connected with the machine body mounting bracket 13. Specifically, as shown in fig. 8-12, the marine propeller apparatus of the present embodiment includes a first steering shaft 31 and a second steering shaft 32, a body mounting bracket 13 includes a first steering hole 131 and a second steering hole 132, a first end of the first steering shaft 31 passes through the first steering hole 131 and is fixedly connected with a steering operation handle 29, a second end of the first steering shaft 31 is fastened by a first fastening structure on the body 2, and a shaft stop 33 for performing up-down limiting after mounting is provided in the middle of the first steering shaft 31; the first end of the second steering shaft 32 passes through the second steering hole 132, the second end of the second steering shaft 32 is fastened by a second fastening structure on the machine body 2, and a shaft stop 33 for limiting up and down after installation is also provided in the middle of the second steering shaft 32. So that the first steering shaft 31 and the second steering shaft 32 are fixed to the machine body 2, the steering shaft sleeve 34 may be disposed in the first steering hole 131 and the second steering hole 132 to facilitate the relative rotation of the machine body 2 and the machine body mounting bracket 13.

Further, the first fastening structure includes a first anchor ear seat 27 and a first anchor ear 35, the first anchor ear seat 27 is formed above the third cavity 23 of the machine body 2 by screw fastening, the second fastening structure includes a second anchor ear seat 28 and a second anchor ear 36, and the second anchor ear seat 28 is formed below the third cavity 23 of the machine body 2 by screw fastening. In the embodiment, the first hoop seat 27 and the second hoop seat 28 are integrally formed on the machine body 2, and the first hoop seat 27 and the second hoop seat 28 are provided with the reinforcing ribs, so that the strength is improved.

As shown in fig. 13-17, the marine propeller apparatus of this embodiment further includes a propulsion motor 4, a transmission assembly and an impeller 6, wherein a propulsion motor shaft 41 of the propulsion motor 4 is in transmission connection with an impeller shaft 42 of the impeller 6 through the transmission assembly, the transmission assembly is configured in the apparatus body 2, the transmission assembly includes a driving pulley 51 assembled on the propulsion motor shaft 41 and a driven pulley 52 assembled on the impeller shaft 42, the driving pulley 51 is in transmission connection with the driven pulley 52 through a transmission belt 55, further, the apparatus body 2 of this embodiment includes a first cavity 21 and a second cavity 22, a loose edge 551 of the transmission belt 55 is configured in the first cavity 21, and a tight edge 552 of the transmission belt 55 is configured in the second cavity 22.

Thus, in this embodiment, the loose edge 551 of the driving belt 55 is disposed in the first cavity 21, and the tight edge 552 of the driving belt 55 is disposed in the second cavity 22, and a distance space larger than the outer diameter of the driving pulley 51 or the driven pulley 52 needs to be left between the loose edge 551 and the tight edge 552 of the driving belt 55, in the prior art, the distance space is disposed in the machine body 2, which results in a larger volume of the machine body 2, whereas in this embodiment, the distance space is disposed outside the machine body 2, in this embodiment, the sum of the thicknesses of the first cavity 21 and the second cavity 22 is smaller than the thickness of the machine body 2 in the prior art, so that the thickness of the machine body 2 in this embodiment is reduced, the water resistance received by the paddle hanging machine is greatly reduced during operation, and the operation efficiency is greatly improved.

Further, as shown in fig. 13, in this embodiment, a guide cover 7 is fixed above the impeller 6, specifically, a mounting seat 25 for mounting the guide cover 7 is respectively provided on the first cavity 21 and the second cavity 22, the guide cover 7 is fixedly mounted on the two mounting seats 25, the guide cover 7 is preferably arc-shaped, the impeller 6 is configured at the inner side of the arc-shaped guide cover 7, so that the guide cover 7, the first cavity 21 and the second cavity 22 form a fan-shaped guide area 71, and the fan-shaped guide area 71 can rectify water flowing from the front side, so that the water flows axially through the impeller 6 after rectification, the influence of lateral water flow on the operation of the impeller 6 is reduced, cavitation bubbles are not generated at the upper half of the impeller 6 any more, noise is reduced, and operation efficiency is further improved. Of course, in other embodiments, the air guide sleeve 7 may be configured in a plate shape, so as to form the triangular air guide area 71 to rectify the lateral water flow.

In the prior art, when the power is smaller, the size of the driving belt wheel and the driven belt wheel is smaller due to the small propulsion motor, the machine body is not very large, and the machine can be used barely, but when the power is larger, the machine body is very large, the noise is very large, and the efficiency is very low. The structure of the propeller hanging machine of the embodiment can be applied to a low-power propeller hanging machine and a high-power propeller hanging machine, and has low noise and high pushing efficiency.

As shown in fig. 15-17, two propulsion motors 4 in this embodiment are provided, a driving pulley 51 is installed on the propulsion motor shaft 41 of each propulsion motor 4, the two driving pulleys 51 are respectively disposed above the first cavity 21 and the second cavity 22, a tensioning shaft 43 is further disposed between the two driving pulleys 51, a tensioning wheel 53 is installed on the tensioning shaft 43, and the two driving pulleys 51 are simultaneously connected with the driven pulley 52 and the tensioning wheel 53 in a transmission manner through a transmission belt 55. Further, the machine body 2 of the present embodiment further includes a third cavity 23 and a fourth cavity 24, the third cavity 23 and the fourth cavity 24 are both communicated with the first cavity 21 and the second cavity 22, two propulsion motors 4, two driving pulleys 51 and one tensioning pulley 53 are disposed in the third cavity 23, and a driven pulley 52 is disposed in the fourth cavity 24.

In the prior art, the propulsion motor is arranged in the propulsion motor mounting box, the propulsion motor mounting box is fixedly mounted on the machine body by the clamp, the clamp is not very firm, the strength is low, but the embodiment directly forms the mounting space of the propulsion motor 4 in the machine body 2, and the propulsion motor 4 is directly mounted on the machine body 2, so that the overall strength is increased, and the anti-collision performance is improved.

Further, as shown in fig. 15-17, in the present embodiment, a partition plate 26 is further disposed in the third cavity 23, one side of the partition plate 26 is configured with a body of the propulsion motor 4, the other side of the partition plate 26 is configured with a driving pulley 51 and a tension pulley 53, and the propulsion motor shaft 41 passes from one side of the partition plate 26 to the other side and is assembled with the driving pulley 51 in a rotating manner. In this way, in this embodiment, the partition plate 26 is disposed in the installation space of the propulsion motor 4, and when the propulsion motor is impacted, the partition plate 26 can further protect the propulsion motor 4 body and the propulsion motor shaft 41, so as to further improve the anti-collision performance.

From the above, it can be seen that the marine propeller hanger provided in this embodiment not only can realize electric lifting, but also can reduce the water resistance that receives, can also rectify the rivers, has reduced the noise, has improved efficiency.

Example III

The difference between the present embodiment and the second embodiment is that the structure of the transmission assembly is different, and the present embodiment is only provided with one propulsion motor, specifically, as shown in fig. 18, the transmission assembly of the present embodiment includes one propulsion motor and a driving pulley 51, and further includes two supporting shafts 44 and two supporting wheels 54, each supporting wheel 54 is correspondingly assembled on one supporting shaft 44, the two supporting wheels 54 are respectively configured above the first cavity 21 and the second cavity 22, and the driving pulley 51 is simultaneously connected with the driven pulley 52 and the two supporting wheels 54 in a transmission manner through a transmission belt 55. The machine body 2 of the present embodiment also includes a third cavity 23 and a fourth cavity 24, the third cavity 23 and the fourth cavity 24 are both communicated with the first cavity 21 and the second cavity 22, a propulsion motor, a driving pulley 51, two tightening shafts 44 and two tightening pulleys 54 are disposed in the third cavity 23, and a driven pulley 52 is disposed in the fourth cavity 24.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.

Claims (7)

1. A flip-flop locking mechanism, comprising:

a mounting hook (11), wherein the mounting hook (11) is configured to be fixedly mounted, and a sliding groove (114) is formed in the mounting hook (11);

an angle adjusting bracket (12), wherein the angle adjusting bracket (12) is movably assembled in the sliding groove (114);

the lifting motor (111), lifting motor (111) is fixedly installed on the installation couple (11), the output of lifting motor (111) is connected with lifting shaft (112), be equipped with on lifting shaft (112) and promote area (113), the one end of lifting belt (113) is fixed in lifting shaft (112), the other end of lifting belt (113) is fixed in angle adjusting bracket (12), when lifting shaft (112) receive and release lifting belt (113), angle adjusting bracket (12) are followed sliding groove (114) removes;

a first sliding shaft (121) and a second sliding shaft (122) are arranged on the angle adjusting bracket (12), the first sliding shaft (121) and the second sliding shaft (122) are relatively fixed, and the first sliding shaft (121) and the second sliding shaft (122) are both assembled in the sliding groove (114) in a sliding manner;

the sliding groove (114) comprises a vertical section (1141), a horizontal section (1142) and a transition section (1143), the head end of the sliding groove (114) is formed in the vertical section (1141), the tail end of the sliding groove (114) is formed in the horizontal section (1142), when the first sliding shaft (121) slides to the head end of the sliding groove (114), the angle adjusting bracket (12) is positioned at an initial position, and when the second sliding shaft (122) slides to the tail end of the sliding groove (114), the angle adjusting bracket (12) is tilted, and can be turned over at a large angle, and the turning angle is larger than 90 degrees;

the installation couple (11) includes first couple board (116) and second couple board (117), first couple board (116) and second couple board (117) fixed connection, sliding tray (114) are including the first sliding tray and the second sliding tray of symmetry setting, first sliding tray is disposed on first couple board (116), the second sliding tray is disposed on second couple board (117), the first end of first sliding shaft (121) and the first end sliding assembly of second sliding shaft (122) are in first sliding tray is interior, the second end sliding assembly of first sliding shaft (121) and the second end sliding assembly of second sliding shaft (122) are interior.

2. The flip-lock mechanism according to claim 1, characterized in that a tension rod (119) is provided between the first hook plate (116) and the second hook plate (117), the tension rod (119) being arranged at a corner of the sliding groove (114), the tension rod (119) being arranged below the lifting belt (113) and tensioning the lifting belt (113).

3. The marine propeller hanging machine is characterized by comprising the turnover locking mechanism according to any one of claims 1-2, further comprising a machine body mounting bracket (13) and a positioning pin (14), wherein the machine body mounting bracket (13) is hinged with the angle adjusting bracket (12) through a second sliding shaft (122), a plurality of adjusting holes (123) are formed in the angle adjusting bracket (12), positioning holes (133) are correspondingly formed in the machine body mounting bracket (13), and the positioning pin (14) is inserted into the positioning holes (133) and one of the adjusting holes (123) to lock the machine body mounting bracket (13) and the angle adjusting bracket (12).

4. A marine propeller as claimed in claim 3, further comprising a machine body (2), the machine body (2) being rotatably connected to the machine body mounting bracket (13).

5. The marine propeller as claimed in claim 4, further comprising a first steering shaft (31) and a second steering shaft (32), the machine body mounting bracket (13) comprising a first steering hole (131) and a second steering hole (132), a first end of the first steering shaft (31) passing through the first steering hole (131), a second end of the first steering shaft (31) being secured by a first securing structure on the machine body (2), a first end of the second steering shaft (32) passing through the second steering hole (132), a second end of the second steering shaft (32) being secured by a second securing structure on the machine body (2), the middle portions of the first steering shaft (31) and the second steering shaft (32) each being provided with a boss (33) for limiting.

6. The marine propeller as claimed in claim 5, further comprising a propulsion motor (4), a transmission assembly and an impeller (6), wherein a propulsion motor shaft (41) of the propulsion motor (4) is in transmission connection with an impeller shaft (42) of the impeller (6) via the transmission assembly, wherein the transmission assembly is arranged in the machine body (2), wherein the transmission assembly comprises a driving pulley (51) arranged on the propulsion motor shaft (41) and a driven pulley (52) arranged on the impeller shaft (42), wherein the driving pulley (51) is in transmission connection with the driven pulley (52) via a transmission belt (55), wherein the machine body (2) comprises a first cavity (21) and a second cavity (22), and wherein a loose edge (551) and a tight edge (552) of the transmission belt (55) are arranged in the first cavity (21) and the second cavity (22), respectively.

7. The marine propeller as claimed in claim 6, wherein a guide shell (7) is further fixed to the body (2), the guide shell (7) being fixed above the impeller (6), the guide shell (7), the first cavity (21) and the second cavity (22) forming a guide zone (71).