A composite roller gearbox for ships

Abstract

The utility model discloses a composite roller gearbox for ships, comprising a base, a box body for loading gears is connected to the upper end of the base, a plurality of second connecting ears are integrally formed on the outer edge of the outer wall of the upper end of the box body, a detachable upper cover is connected to the upper end of the box body, a first connecting ear corresponding to the second connecting ear is connected to the outer edge of the outer wall of the upper cover, the first connecting ear is fixedly connected to the second connecting ear by bolts and nuts, an oil guide assembly is connected to the upper end of the upper cover, and the oil guide assembly extends through the upper cover to the inside of the box body. The utility model solves the problem that the gearbox accelerates or decelerates the transmission speed by using internal gears, resulting in a large number of gears inside, and when the gears are meshed and transmitted, it is inconvenient to add lubricating oil in the gearbox in time because the gears are located in the box, resulting in a large friction force during transmission, thereby affecting the kinetic energy loss during transmission.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear boxes, and in particular relates to a composite roller gear box for ships. Background Art

[0002] A gearbox is a mechanical device that converts mechanical power. It can use several gears and several shafts to change the speed, torque and transmission direction of the motor output. It is widely used in motor groups and is an important mechanical component. Gearboxes are also used in ship power systems.

[0003] The ship power system is the main propulsion transmission device of the ship, which has the functions of reversing, clutching, deceleration and bearing propeller thrust. It is matched with the diesel engine to form the ship power system. It is widely used in various passenger and cargo ships, engineering ships, etc. It is an important key equipment in the shipbuilding industry.

[0004] However, there are some problems with the prior art: since the gearbox accelerates or decelerates the transmission speed by using internal gears, there will be a large number of gears inside. When the gears are meshed and transmitted, since the gears are located inside the box, it is not convenient to add lubricating oil in the gearbox in time, resulting in greater friction during transmission, thereby affecting the kinetic energy loss during transmission. Therefore, we propose a composite roller gearbox for ships. Utility Model Content

[0005] In view of the problems existing in the above-mentioned technology, the utility model provides a composite roller gearbox for ships, which solves the problem that the gearbox accelerates or decelerates the transmission speed by using internal gears, resulting in a large number of gears inside. When the gears are engaged and transmitted, it is inconvenient to add lubricating oil in the gearbox in time because the gears are located inside the box, resulting in greater friction during transmission, thereby affecting the problem of kinetic energy loss during transmission.

[0006] The utility model is implemented in this way, a composite roller gear box for ships, comprises a base, the upper end of the base is connected to a box body for loading gears, the outer edge of the outer wall of the upper end of the box body is integrally formed with a plurality of second connecting ears, the upper end of the box body is connected to a detachable upper cover, the outer edge of the outer wall of the upper cover is connected to a first connecting ear corresponding to the second connecting ear, the first connecting ear is fixedly connected to the second connecting ear by a bolt and a nut provided, the upper end of the upper cover is connected to an oil guide assembly, the oil guide assembly passes through the upper cover and extends to the inside of the box body, the oil guide assembly comprises a mounting plate and an oil tank, the lower end of the oil tank is connected to a connecting pipe, the connecting pipe passes through the mounting plate, the lower end of the connecting pipe is connected to an oil guide pipe, the oil guide pipe passes through the upper cover and extends to the inside of the box body, the upper end of the oil tank is connected to a piston, the upper and lower end surfaces of the mounting plate are both provided with slide grooves, a plurality of steel balls are provided inside the slide grooves, a plurality of fixed shafts are connected to the lower end of the mounting plate, and the mounting plate is fixedly connected to the upper cover through the fixed shaft.

[0007] As a preferred embodiment of the utility model, an inner cavity is provided inside the base, a drawer is connected to the inner cavity, and a discharge pipe with a control valve is connected to the right side of the drawer.

[0008] As a preferred embodiment of the utility model, the upper end surface of the base is provided with an arc surface, the arc surface is located at the lower end of the box body, and the upper end surface of the base is provided with a through hole, the through hole is located in the middle of the arc surface and communicates with the inner cavity.

[0009] As a preferred embodiment of the utility model, the outer wall of the connecting tube is symmetrically connected with a turntable, the turntable is located at the upper and lower ends of the mounting plate, and the corresponding end faces of the turntable are in contact with the mounting plate, and the corresponding end faces of the turntable are provided with auxiliary grooves, and the auxiliary grooves correspond to the slide grooves.

[0010] As a preferred embodiment of the present invention, the outer wall of the oil guide pipe located at the upper end of the upper cover is connected to a switch valve.

[0011] As a preferred embodiment of the present invention, the outer wall of the oil guide pipe located inside the box body is provided with a plurality of oil holes, and the oil holes are arranged in a line.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model rotates the oil guide assembly to facilitate the dripping of lubricating oil on different plane positions in the box body, so as to play a role in lubricating between the gears and reduce the friction resistance during transmission. When the gears are transmitting, they will be contaminated with other parts, ensuring the lubrication effect between the transmission parts, which is conducive to reducing friction resistance and reducing the loss during power transmission;

[0014] 2. The utility model is provided with an arc surface, which facilitates the recovery of the lubricating oil into the drawer after use. The lubricating oil collected in the drawer is introduced into the oil tank by using the discharge pipe connected to the drawer, so as to achieve the purpose of multiple utilization and avoid waste of resources.

[0015] 3. The utility model drives the connecting pipe to rotate by rotating the oil tank, and the connecting pipe drives the turntable. Through a plurality of steel balls arranged on the mounting plate, the steel balls respectively contact the inner walls of the slide groove and the auxiliary groove, so that the auxiliary turntable can rotate on the mounting plate, avoiding friction generated by the rotation between the two, thereby avoiding wear, and the mounting plate is connected to the upper end of the upper cover without affecting the rotation of the oil tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram provided by an embodiment of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the upper cover provided by the embodiment of the utility model;

[0019] Figure 4 It is a three-dimensional schematic diagram of an oil guide assembly provided by an embodiment of the utility model;

[0020] Figure 5 It is a front view schematic diagram of the oil guide assembly provided by the embodiment of the utility model;

[0021] Figure 6 It is a bottom view schematic diagram of the installation disk provided by the embodiment of the utility model.

[0022] In the figure: 1. base; 2. box body; 3. upper cover; 4. oil guide assembly; 11. drawer; 12. arc surface; 13. through hole; 14. inner cavity; 21. second connecting ear; 31. first connecting ear; 41. mounting plate; 42. turntable; 43. oil tank; 44. oil guide pipe; 45. connecting pipe; 111. discharge pipe; 411. fixed shaft; 412. slide groove; 413. steel ball; 421. auxiliary groove; 441. oil hole; 442. switch valve; 431. piston. DETAILED DESCRIPTION

[0023] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0024] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0025] Embodiment 1:

[0026] like Figure 1 As shown, a composite roller gearbox for ships provided by an embodiment of the utility model comprises a base 1, the upper end of the base 1 is connected to a box body 2 for loading gears, the outer edge of the outer wall of the upper end of the box body 2 is integrally formed with a plurality of second connecting ears 21, the upper end of the box body 2 is connected to a detachable upper cover 3, the outer edge of the outer wall of the upper cover 3 is connected to a first connecting ear 31 corresponding to the second connecting ear 21, the first connecting ear 31 is fixedly connected to the second connecting ear 21 by means of bolts and nuts, the upper end of the upper cover 3 is connected to an oil guide assembly 4, the oil guide assembly 4 penetrates the upper cover 3 and extends to the inside of the box body 2, the oil guide assembly 4 comprises a mounting plate 41 and an oil tank 43, the lower end of the oil tank 43 is connected to a connecting pipe 45, the connecting pipe 45 penetrates the mounting plate 41, the connecting The lower end of the tube 45 is connected with an oil guide pipe 44, and the oil guide pipe 44 passes through the upper cover 3 and extends to the inside of the box body 2. The upper end of the oil tank 43 is connected with a piston 431. The upper and lower end surfaces of the mounting plate 41 are provided with slide grooves 412, and a plurality of steel balls 413 are provided inside the slide grooves 412. The lower end of the mounting plate 41 is connected with a plurality of fixed shafts 411, and the mounting plate 41 is fixedly connected to the upper cover 3 through the fixed shafts 411. By rotating the oil guide assembly 4, it is convenient to drip lubricating oil to different plane positions in the box body 2, so as to play a role in lubrication between the gears and reduce the friction resistance during transmission. When the gears are transmitting, they will be transmitted with other components to ensure the lubrication effect between the transmission components, which is conducive to reducing the friction resistance and reducing the loss during power transmission.

[0027] like Figure 2 As shown, an inner cavity 14 is provided inside the base 1, a drawer 11 is connected inside the inner cavity 14, and a discharge pipe 111 with a control valve is connected to the right side of the drawer 11; an arcuate surface 12 is provided on the upper end surface of the base 1, and the arcuate surface 12 is located at the lower end of the box body 2; a through hole 13 is provided on the upper end surface of the base 1, and the through hole 13 is located in the middle of the arcuate surface 12 and communicated with the inner cavity 14; through the provision of the arcuate surface 12, it is convenient for the lubricating oil to be recovered into the drawer 11 after use, and by utilizing the discharge pipe 111 connected to the drawer 11, it is convenient to introduce the lubricating oil collected in the drawer 11 into the oil tank 43, so as to achieve the purpose of multiple utilization and avoid waste of resources.

[0028] like Figures 3 to 6As shown, the outer wall of the connecting pipe 45 is symmetrically connected with a rotating disk 42, and the rotating disk 42 is located at the upper and lower ends of the mounting plate 41, and the corresponding end faces of the rotating disk 42 are in contact with the mounting plate 41, and the corresponding end faces of the rotating disk 42 are provided with auxiliary grooves 421, and the auxiliary grooves 421 correspond to the slide grooves 412; the outer wall of the oil guide pipe 44 located at the upper end of the upper cover 3 is connected with a switch valve 442; the outer wall of the oil guide pipe 44 located inside the box body 2 is provided with a plurality of oil holes 441, and the oil holes 441 are arranged in a straight line; by rotating the oil tank 43, the connecting pipe 45 is driven to rotate, and the connecting pipe 45 drives the rotating disk 42, through the plurality of steel balls 413 provided on the mounting plate 41, the steel balls 413 are respectively in contact with the inner walls of the slide grooves 412 and the auxiliary grooves 421, so as to facilitate the auxiliary rotating disk 42 to rotate on the mounting plate 41, avoid the friction generated by the rotation between the two, thereby avoiding wear, and the mounting plate 41 is connected to the upper end of the upper cover 3 without affecting the rotation of the oil tank 43.

[0029] Working principle of embodiment 1:

[0030] When in use, open the switch valve 442, the lubricating oil flows from the oil tank 43 into the oil guide pipe 44, and is guided to the inside of the housing 2 through the oil hole 441, so that the lubricating oil drips onto the outer wall of the gear, and the oil tank 43 is rotated to drive the oil guide pipe 44 to rotate inside the housing 2, and the lubricating oil is dripped on different plane positions in the housing 2 to lubricate the gears and reduce the friction resistance during transmission. When the gears are transmitting, they will be contaminated with other components, ensuring the lubrication effect between the transmission components, which is beneficial to reducing the friction resistance and reducing the loss during power transmission. After the lubricating oil lubricates the gears, part of the lubricating oil drips onto the lower end surface of the housing 2, and is recovered to the inside of the drawer 11 by setting the arc surface 12 and the through hole 13, so as to facilitate the repeated use of the lubricating oil and reduce resource waste.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite roller gearbox for a ship, comprising a base (1), characterized in that: The upper end of the base (1) is connected to a box body (2) for loading gears, and the outer edge of the outer wall of the upper end of the box body (2) is integrally formed with a plurality of second connecting ears (21). The upper end of the box body (2) is connected to a detachable upper cover (3), and the outer edge of the outer wall of the upper cover (3) is connected to a first connecting ear (31) corresponding to the second connecting ear (21), and the first connecting ear (31) is fixedly connected to the second connecting ear (21) by means of bolts and nuts. The upper end of the upper cover (3) is connected to an oil guide assembly (4), and the oil guide assembly (4) passes through the upper cover (3) and extends into the interior of the box body (2). The oil guide assembly (4) includes a mounting plate (41) and an oil guide assembly (41). The oil tank (43) is provided with a connecting pipe (45) at the lower end thereof, the connecting pipe (45) passing through the mounting plate (41), the connecting pipe (45) being connected to an oil guide pipe (44) at the lower end thereof, the oil guide pipe (44) passing through the upper cover (3) and extending to the interior of the box body (2), the oil tank (43) being connected to a piston (431) at the upper end thereof, the mounting plate (41) being provided with sliding grooves (412) at both upper and lower end surfaces thereof, a plurality of steel balls (413) being provided inside the sliding grooves (412), the mounting plate (41) being connected to a plurality of fixed shafts (411) at the lower end thereof, the mounting plate (41) being fixedly connected to the upper cover (3) via the fixed shafts (411).

2. A composite roller gearbox for ships as claimed in claim 1, characterized in that: An inner cavity (14) is provided inside the base (1), a drawer (11) is connected inside the inner cavity (14), and a discharge pipe (111) with a control valve is connected to the right side of the drawer (11).

3. A composite roller gearbox for ships as claimed in claim 2, characterized in that: The upper end surface of the base (1) is provided with an arc surface (12), and the arc surface (12) is located at the lower end inside the box body (2). The upper end surface of the base (1) is provided with a through hole (13), and the through hole (13) is located in the middle of the arc surface (12) and communicates with the inner cavity (14).

4. A composite roller gearbox for ships as claimed in claim 1, characterized in that: The outer wall of the connecting pipe (45) is symmetrically connected with a rotating disk (42), the rotating disk (42) is located at the upper and lower ends of the mounting disk (41), and the corresponding end surfaces of the rotating disk (42) are in contact with the mounting disk (41), and the corresponding end surfaces of the rotating disk (42) are provided with auxiliary grooves (421), and the auxiliary grooves (421) correspond to the slide grooves (412).

5. A composite roller gearbox for ships as claimed in claim 4, characterized in that: The outer wall of the oil guide pipe (44) located at the upper end of the upper cover (3) is connected to a switch valve (442).

6. A composite roller gearbox for ships as claimed in claim 5, characterized in that: The outer wall of the oil guide pipe (44) located inside the box body (2) is provided with a plurality of oil holes (441), and the oil holes (441) are arranged in a line.

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