CN216580958U

CN216580958U - Drum-shaped gear coupling circulating oil lubrication mechanism

Info

Publication number: CN216580958U
Application number: CN202220118215.3U
Authority: CN
Inventors: 张宏飞; 王晨
Original assignee: Wuxi Oriental Changfeng Marine Propulsion Co ltd
Current assignee: Wuxi Oriental Changfeng Marine Propulsion Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-24
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a lubricated mechanism of drum-type tooth shaft coupling circulating oil, including motor and base, the base is connected on the drive end one side of motor, the drive end of motor extends to in the base, the drive end of motor has the vertical scroll of first vertical through-hole through drum-type tooth shaft coupling connection center, the vertical scroll passes in the lubricating oil cavity of base, drum-type tooth shaft coupling is including the first external tooth of connecting the motor drive shaft and the second external tooth of connecting the vertical scroll, first external tooth and the outer meshing connecting axle sleeve of second external tooth, the opening that allows lubricating oil to spill over is seted up to the at least upper end of axle sleeve, the second external tooth lower extreme is connected and is pressed the oil screw rod, press the oil screw rod outside and connect helical blade, and press the oil screw rod to soak in the lubricating oil of lubricating oil cavity, the lubricated mechanism of drum-type tooth shaft coupling circulating oil provides and does not soak in lubricating oil in sealed cavity, can need not frequently add the lubricating mechanism of lubricating grease again, frequent disassembly in maintenance is reduced or eliminated, so that the effects of saving cost and time are achieved.

Description

Drum-shaped gear coupling circulating oil lubrication mechanism

Technical Field

The utility model relates to a marine equipment especially relates to a lubricated mechanism of drum-shaped tooth shaft coupling circulating oil.

Background

With the improvement of noise, vibration and environmental requirements of people, the full-turning rudder propeller gradually develops from the traditional diesel engine propulsion to the electric motor propulsion; compared with diesel engine propulsion, the arrangement form of motor propulsion is more flexible; the diesel engine can be generally placed horizontally, and the motor can also be vertically installed, namely vertically installed; the general diesel engine propelled rudder propeller needs two pairs of external teeth of an upper box body and a lower box body to form two-stage speed reduction, and the arrangement of the rudder propeller is similar to a letter Z, so the rudder propeller is also called as a Z-type propeller in the industry; the motor which is vertically installed can directly drive the vertical shaft by propulsion, so that a pair of external teeth of the upper box body can be omitted, and only a pair of circular arc cone external teeth of the lower box body are needed; the structure is similar to the letter L, so the propeller is generally called L-shaped propeller in the industry; a drum-shaped tooth-shaped coupling is generally needed between a motor overflow shaft of the L-shaped propeller and a vertical shaft of the propeller to transmit power, and the coupling also has the effects of compensating machining errors and centering deviations; the traditional drum-type gear coupling is generally lubricated by grease, is generally exposed in the air, and has to be manually supplemented or replaced by grease when running for hundreds of hours, so that the operation is complicated; when the gear coupling is applied to the full-rotation rudder propeller, the gear coupling must be installed in a sealing cavity due to the structural specificity or the limitation of height space, and the oil level is generally below the drum-shaped teeth due to the fact that the motor cannot be soaked in oil and certain rolling motion is caused during ship navigation, so that lubricating grease is difficult to supplement or replace, oil immersion lubrication cannot be performed, and the motor is required to be detached during each supplement, so that time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In view of the above-discussed shortcomings of the prior art, it is an object of the present invention to provide a drum-type tooth coupling circulating oil lubricated mechanism to solve one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a lubricated mechanism of drum type tooth shaft coupling circulating oil, includes motor and base, pedestal connection is on the drive end one side of motor, the drive end of motor extends to in the base, the drive end of motor has the vertical scroll of first vertical through-hole through drum type tooth shaft coupling connection center, the lubricating oil intracavity at the base is worn to the vertical scroll, drum type tooth shaft coupling is including the first external tooth of connecting the motor drive axle and the second external tooth of connecting the vertical scroll, first external tooth with second external tooth external toothing connecting sleeve, the opening that allows lubricating oil to spill over is seted up to the axle sleeve upper end at least, the pressure oil screw rod is connected to second external tooth lower extreme, press the oil screw rod outside and connect helical blade, just press the oil screw rod to soak in the lubricating oil of lubricating oil chamber.

As a further improvement of the above technical solution:

the oil distribution joint is connected to the upper end of the vertical shaft and comprises a second vertical through hole communicated with the first vertical through hole of the vertical shaft, and a plurality of oil distribution holes are uniformly formed in the periphery of the second vertical through hole in the circumferential direction of the oil distribution joint.

The oil distribution joint is in threaded connection with the upper end of the vertical shaft.

The upper end of the second outer gear is connected with a first pressing plate, and the first pressing plate is provided with a first oil through hole.

The shaft sleeve is formed by connecting an upper shaft sleeve and a lower shaft sleeve through a bolt, the upper shaft sleeve is meshed with the first external teeth, and the lower shaft sleeve is meshed with the second external teeth.

The lower end of the lower shaft sleeve is integrally connected with a lower platform, and a gap is reserved between the inner wall of the lower platform and the second outer teeth.

The upper shaft sleeve and the lower shaft sleeve are fixedly clamped with a second pressing plate, the second pressing plate can press the first pressing plate, and a second oil through hole is formed in the second pressing plate.

The lower side of the center of the second pressing plate is connected with a pressing head, and the lower end of the pressing head is provided with a pressing spherical surface.

The position near the upper end of the first external teeth is connected with a baffle.

Compared with the prior art, the utility model discloses a beneficial technological effect as follows:

1) the motor is connected with the vertical shaft through the drum-shaped gear coupling, the center of the vertical shaft is provided with a first vertical through hole, the lower end of the drum-shaped gear coupling is connected with the oil pressing screw rod, the motor can drive the vertical shaft to rotate through the drum-shaped gear coupling, the oil pressing screw rod rotates along with the rotation of the vertical shaft, a section of structure similar to a screw pump is formed in a cylindrical space of the base, the oil pressing screw rod presses lubricating oil downwards, and due to the fact that the whole structure is of a sealing structure, the lubricating oil reaches the inside of the shaft sleeve through the first vertical hole of the vertical shaft under the action of pressure and is used for lubricating the first outer tooth, the second outer tooth and the tooth surface of the shaft sleeve, finally overflows from the upper end of the shaft sleeve and flows back to the lubricating oil cavity, circulating lubrication operation can be achieved, namely, the lubricating mechanism which does not soak in the lubricating oil in the sealing cavity and does not need to frequently add lubricating grease is provided, and frequent disassembly in maintenance is reduced or cancelled, so as to achieve the effects of saving cost and time;

2) the upper end of the vertical shaft is connected with an oil distribution joint to ensure that lubricating oil is uniformly distributed;

3) lower axle sleeve lower extreme body coupling lower platform, the clearance between the outer tooth of reducible lower axle sleeve and second can guarantee that the outer tooth of second part fluid is full of the back, continues to the partial reposition of redundant personnel of first external tooth, finally spills over from axle sleeve upper portion, and this has just guaranteed that first external tooth and second can both have the circulating oil to lubricate between the outer tooth.

4) The position of the first outer teeth close to the upper end is connected with a baffle plate, so that oil overflowing from the upper end of the shaft sleeve is prevented from splashing on the motor;

drawings

Fig. 1 is a sectional view showing a mechanism for circulating oil lubrication of a drum-tooth coupling according to a first embodiment.

Fig. 2 is a sectional view showing a mechanism for circulating oil lubrication of a drum-tooth coupling of the second embodiment.

Fig. 3 is a sectional view showing a mechanism oil distribution joint for circulating oil lubrication of a drum-tooth coupling according to a second embodiment.

In the drawings, the reference numbers:

1. a motor; 2. a base; 21. a lubricating oil cavity; 3. a drum-type tooth coupling; 31. a first external tooth; 32. a second external tooth; 33. a shaft sleeve; 331. an upper shaft sleeve; 332. a lower shaft sleeve; 34. a first platen; 35. a second platen; 351. a compression head; 4. a vertical shaft; 41. a first vertical through hole; 5. pressing a oil screw; 51. a helical blade; 6. an oil distribution joint; 61. a second vertical through hole; 62. an oil distributing hole; 7. and a baffle plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and clearly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

Example one

As shown in figure 1, the mechanism for circulating oil lubrication of the drum-type gear coupling of the embodiment comprises a motor 1 and a base 2, the base 2 is connected on one side of the driving end of the motor 1, the driving end of the motor 1 extends into the base 2, the driving end of the motor 1 is connected with a vertical shaft 4 with a first vertical through hole 41 at the center through a drum-type gear coupling 3, the vertical shaft 4 passes through a lubricating oil cavity 21 of the base 2, the drum-type gear coupling 3 comprises a first external tooth 31 connected with the driving shaft of the motor 1, a second external tooth 32 connected with the vertical shaft 4 and a shaft sleeve 33, the shaft sleeve 33 is formed by connecting an upper shaft sleeve 331 and a lower shaft sleeve 332 through a bolt and a nut, the first external tooth 31 is meshed with an upper shaft sleeve 331, the second external tooth 32 is meshed with the lower shaft sleeve 332, the upper end of the second external tooth 32 is connected with a first pressure plate 34, the first pressure plate 34 is provided with a first oil through hole, a second pressure plate 35 is positioned and clamped between the upper shaft sleeve 331 and the lower shaft sleeve 332, the second pressing plate 35 can press the first pressing plate 34, a second oil passing through hole is formed in the second pressing plate 35, an opening allowing lubricating oil to overflow is formed in the upper end of the upper shaft sleeve 331, the lower end of the second outer tooth 32 is connected with the oil pressing screw rod 5 in an interference fit mode, the outer side of the oil pressing screw rod 5 is connected with the spiral blade 51, and the oil pressing screw rod 5 is soaked in the lubricating oil cavity 21.

The lower side of the center of the second pressing plate 35 is connected with a pressing head 351 for pressing the first pressing plate 34, the lower end of the pressing head 351 is provided with a pressing spherical surface, the second pressing plate 35 can have a certain inclination angle through the pressing spherical surface, and the first external teeth 31 and the upper shaft sleeve 331 as well as the second external teeth 32 and the lower shaft sleeve 332 have a certain angle compensation.

Lower axle sleeve 332 lower extreme body coupling lower platform, leave the clearance between lower platform inner wall and the second outer tooth 32, because lower platform inner wall is less with the second outer tooth 32 clearance, can guarantee that lubricating oil fluid fills up axle sleeve 332 and the second outer tooth 32 back down, continue upwards flow, flow between upper axle sleeve 331 and the first external tooth 31, the opening overflow of final follow upper end of upper axle sleeve 331 flows, guarantee that lubricating oil can both lubricate upper axle sleeve 331 and first external tooth 31 and lower axle sleeve 332 and the second outer tooth 32.

The baffle 7 is connected to the upper end of the first outer teeth 31 to prevent the lubricant oil overflowing from the upper end of the upper sleeve 331 from splashing to the motor 1.

When the drum-type gear coupling circulating oil lubrication mechanism of the embodiment is used, the motor 1 can drive the vertical shaft 4 to rotate through the drum-type gear coupling 3 when being started, meanwhile, the drum-type gear coupling 3 can also drive the oil pressing screw rod 5 to rotate, the oil pressing screw rod 5 can rotate to press the lubricating oil in the lubricating oil cavity 21 downwards through the spiral blade 51, and due to the fact that the base 2 is integrally sealed, the lubricating oil is conveyed upwards from the first vertical through hole 41 under the action of pressure and flows into the drum-type gear coupling 3 to be respectively used for lubricating the upper shaft sleeve 331, the first external teeth 31, the lower shaft sleeve 332 and the second external teeth 32, finally overflows out of the drum-type gear coupling 3 from an opening in the upper end of the upper shaft sleeve 331 and then flows back into the lubricating oil cavity 21, and the circulating oil lubrication operation of the drum-type gear coupling 3 is achieved.

Example two

As shown in fig. 2 and 3, the mechanism for circulating oil lubrication of the drum-tooth coupling of the present embodiment differs from the first embodiment in that: an internal threaded hole is formed in the upper end of the vertical shaft 4, the vertical shaft 4 is in threaded connection with the oil distribution joint 6 through the internal threaded hole, the oil distribution joint 6 comprises a second vertical through hole 61 communicated with the first vertical through hole 41 of the vertical shaft 4, and four oil distribution holes 62 are uniformly formed in the periphery of the second vertical through hole 61 in the circumferential direction of the oil distribution joint 6.

Lubricating oil enters the first vertical through hole 41 and then is conveyed upwards, enters the oil distribution joint 6, passes through the second vertical through hole 61 and the four oil distribution holes 62 and then enters the drum-shaped tooth coupling 3 after being uniformly distributed, so that the uniform distribution of the lubricating oil is ensured, and the lubricating effect is good.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several edges and improvements can be made, which shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A mechanism for lubricating a drum-shaped gear coupling with circulating oil is characterized in that: including motor and base, pedestal connection is on the drive end one side of motor, the drive end of motor extends to in the base, the drive end of motor has the vertical scroll of first vertical through-hole through drum type tooth shaft coupling connection center, the vertical axis is worn in the lubricating oil cavity of base, drum type tooth shaft coupling is including the first external tooth of connecting the motor drive axle and the second external tooth of connecting the vertical scroll, first external tooth with second external tooth external toothing connecting sleeve, the opening that allows lubricating oil to spill over is seted up to the at least upper end of axle sleeve, the pressure oil screw rod is connected to the second external tooth lower extreme, press the oil screw rod outside and connect helical blade, just it soaks in the lubricating oil of lubricating oil cavity to press the oil screw rod.

2. The drum tooth coupling circulating oil lubricated mechanism as claimed in claim 1, wherein: the oil distribution joint is connected to the upper end of the vertical shaft and comprises a second vertical through hole communicated with the first vertical through hole of the vertical shaft, and a plurality of oil distribution holes are uniformly formed in the periphery of the second vertical through hole in the circumferential direction of the oil distribution joint.

3. The drum tooth coupling circulating oil lubricating mechanism as claimed in claim 2, wherein: the oil distribution joint is in threaded connection with the upper end of the vertical shaft.

4. The drum tooth coupling circulating oil lubricating mechanism as claimed in claim 2, wherein: the upper end of the second outer gear is connected with a first pressing plate, and the first pressing plate is provided with a first oil through hole.

5. The drum tooth coupling circulating oil lubricating mechanism as claimed in claim 4, wherein: the shaft sleeve is formed by connecting an upper shaft sleeve and a lower shaft sleeve through a bolt, the upper shaft sleeve is meshed with the first external teeth, and the lower shaft sleeve is meshed with the second external teeth.

6. The drum tooth coupling circulating oil lubricating mechanism as claimed in claim 5, wherein: the lower end of the lower shaft sleeve is integrally connected with a lower platform, and a gap is reserved between the inner wall of the lower platform and the second outer teeth.

7. The drum tooth coupling circulating oil lubricating mechanism as claimed in claim 5, wherein: the upper shaft sleeve and the lower shaft sleeve are fixedly clamped with a second pressing plate, the second pressing plate can press the first pressing plate, and a second oil through hole is formed in the second pressing plate.

8. The drum tooth coupling circulating oil lubricated mechanism as claimed in claim 7, wherein: the lower side of the center of the second pressing plate is connected with a pressing head, and the lower end of the pressing head is provided with a pressing spherical surface.

9. The drum tooth coupling circulating oil lubricated mechanism as claimed in claim 1, wherein: the position near the upper end of the first external teeth is connected with a baffle.