Intelligent underwater brushless DC motor assembly method and assembly system

By designing an intelligent underwater brushless DC motor assembly method and assembly system, the problems of difficulty in disassembly and increased friction force of the rotating shaft during installation and maintenance are solved, and the motor is conveniently disassembled, position adjustment and shaft lubrication are achieved, and the service life and operation efficiency of the motor are improved.

CN119787700APending Publication Date: 2025-04-08JIESHOU XINYANG ELECTROMECHANICAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411993441.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-04-08

AI Technical Summary

Technical Problem

现有智能化水下无刷直流电机在安装和维护过程中存在拆卸困难和转轴摩擦力增大的问题,影响电机的正常使用。

Method used

An intelligent underwater brushless DC motor assembly method and assembly system is designed. By setting up structures such as connecting seats, clamping slots, connecting plates, threaded pipes and screws, the motor base is easily disassembled and position adjustment. Through the coordination of the elastic oil bag and the magnetic pole cover, lubricant is automatically added to reduce shaft friction.

Benefits of technology

It realizes convenient disassembly and position adjustment of the motor, reduces shaft friction, extends the service life of the motor and improves operating efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119787700A_ABST
    Figure CN119787700A_ABST
Patent Text Reader

Abstract

The present invention relates to the technical field of underwater brushless DC motors, and in particular to an intelligent underwater brushless DC motor assembly method and assembly system, comprising a connecting seat, an inner wall of the connecting seat is provided with a clamping groove, a connecting disk is installed inside the clamping groove, the outer side of the connecting disk is fixedly connected to a motor seat, the outer side of the motor seat is fixedly connected to a motor body, the output end of the motor body is fixedly connected to a rotating shaft, the outer side of the rotating shaft is fixedly connected to a pushing fan blade, a positioning hole is provided inside the connecting disk, the outer side of the connecting seat is fixedly connected to a threaded tube, the inner side of the threaded tube is threadedly connected to a screw, and the outer side of the screw is fixedly connected to a rotating cover. The present invention has a simple structure and is easy to use. It can facilitate the disassembly of the motor and the connecting device, and can adjust the position of the motor and automatically add lubricant to the rotating shaft.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to an intelligent underwater brushless DC motor, an assembly method and an assembly system, and belongs to the technical field of underwater brushless DC motors. Background Art

[0002] Motor drive is one of the commonly used drive methods for underwater working tools and equipment. Under deep-sea working conditions, due to the influence of external seawater pressure, the cavity-type motor housing usually has a thicker wall to meet the strength and stability requirements, resulting in the motor being bulky in size and weight, and the motor shaft dynamic seal and motor efficiency are greatly affected. The pressure compensator is an auxiliary device that fills the motor cavity with oil and adjusts the internal and external pressures of the motor so that the pressure difference tends to a level that meets the requirements of dynamic sealing, housing strength and other conditions. In the past, motors with oil filling in the inner cavity or with pressure compensation usually adopted the form of DC brushes.

[0003] The existing intelligent underwater brushless DC motors, assembly methods and assembly systems still have some problems during use. For example, during installation, the motor base is fixedly connected to the outside of the connecting device, so when the motor needs to be repaired, it needs to be disassembled as a whole, and the position of the motor is moderately fixed, resulting in power being provided to the output end at one position during operation. At the same time, the friction of the rotating shaft inside the motor will increase after long-term use, thereby affecting the normal use of the motor. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent underwater brushless DC motor assembly method and assembly system. The present invention has a simple structure and is easy to use. It can facilitate the disassembly of the motor and the connecting device, and can adjust the position of the motor and automatically add lubricant to the rotating shaft to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An intelligent underwater brushless DC motor assembly method and assembly system include a connecting seat, an inner wall of the connecting seat is provided with a snap-in groove, a connecting disk is installed inside the snap-in groove, the outer side of the connecting disk is fixedly connected to a motor seat, the outer side of the motor seat is fixedly connected to a motor body, the output end of the motor body is fixedly connected to a rotating shaft, the outer side of the rotating shaft is fixedly connected to a pushing fan blade, a positioning hole is provided inside the connecting disk, the outer side of the connecting seat is fixedly connected to a threaded tube, the inner side of the threaded tube is threadedly connected to a screw, and the outer side of the screw is fixedly connected to a rotating cover.

[0007] Furthermore, a connecting plate is fixedly connected to the outer side of the motor seat, a sliding groove is provided inside the connecting plate, a sliding rod is slidably connected inside the sliding groove, a moving block is fixedly connected to the outer side of the sliding rod, an L-shaped plate is fixedly connected to the top of the moving block, a movable tube is fixedly connected to the top of the L-shaped plate, a moving rod is movably connected inside the movable tube, a compression spring is fixedly connected to the outer side of the moving rod, a clamping rod is fixedly connected to the bottom of the moving rod, and a connecting hole is provided inside the connecting plate.

[0008] Furthermore, a rotating rod is fixedly connected to the outer side of the rotating shaft, a running circle is fixedly connected to the outer side of the motor body, an oil inlet cover is fixedly connected to the top of the running circle, an elastic oil bag is fixedly connected to the inside of the running circle, an oil outlet pipe is fixedly connected to the outside of the elastic oil bag, a No. 1 magnetic pole cover is fixedly connected to the outer side of the rotating rod, a spring rod is movably connected to the inside of the running circle, and a No. 2 magnetic pole cover is fixedly connected to the outer side of the spring rod.

[0009] Furthermore, the motor seat is fixedly connected to the outer side of the connecting plate via a connecting disk, and the positioning holes are symmetrically distributed inside the connecting disk.

[0010] Furthermore, the threaded tubes are symmetrically distributed on the outside of the connecting seat, and the screw is rotatably connected to the inside of the positioning hole through a rotating cover.

[0011] Furthermore, the connecting plates are symmetrically distributed on the outside of the motor base, and the moving block is slidably connected to the outside of the connecting plates via a sliding rod.

[0012] Furthermore, one end of the sliding rod away from the moving block is fixedly connected to the outside of the motor body, and the connecting holes are evenly distributed inside the connecting plate.

[0013] Furthermore, the rotating rod and the No. 1 magnetic pole cover are symmetrically distributed on the outside of the rotating shaft, and the elastic oil bag is located inside the motor body.

[0014] Furthermore, the No. 1 magnetic pole cover and the No. 2 magnetic pole cover are magnetic poles of the same name, and the oil outlet pipe is located on the outside of the rotating shaft.

[0015] Furthermore, in the first step, the motor seat is first installed in the clamping groove inside the connecting seat, so that the motor body is installed outside the connecting seat, and the output end of the motor body is connected to the rotating shaft;

[0016] The second step is that after the motor body is installed, the motor body is started through an external control device, so that the motor body drives the fan blades outside the shaft to rotate;

[0017] The third step is to remove the motor base from the outside of the connecting base by rotating the screw to move it out from the inside of the positioning hole.

[0018] The beneficial effects of the present invention are:

[0019] (1) The present invention sets a connecting seat, firstly installs the connecting disk on the outside of the motor seat in the clamping groove inside the connecting seat, then rotates the cover to make the screw rotate inside the threaded tube, so that the screw rotates and moves inside the threaded tube, and the movement of the screw makes one end of the screw enter the positioning hole inside the connecting disk, then the connecting disk on the outside of the motor seat can be fixedly connected to the inside of the clamping groove, then the motor body can be firmly connected to the outside of the connecting seat, and when the motor body needs to be disassembled and repaired, the cover is used to drive the screw to reverse, so that one end of the screw is moved out of the positioning hole inside the connecting disk, thereby achieving the effect of convenient disassembly.

[0020] (ii) The present invention provides a motor seat and a motor body. When the position of the motor body needs to be adjusted, the moving rod is first moved inside the movable tube. At this time, the moving rod drives the clamping rod to move out of the connecting hole inside the connecting plate. At this time, the moving block is moved outside the connecting plate, so that the moving block drives the sliding rod to move. The movement of the sliding rod drives the motor body to move outside the motor seat. When it moves to the required position, the moving rod is loosened, so that the moving rod enters the connecting hole again under the action of the compression spring, thereby achieving the effect of being able to adjust the position of the motor body.

[0021] (III) The present invention sets a motor body, starts the motor body, and drives the rotating shaft to rotate. When the rotating shaft rotates, it can drive the No. 1 magnetic pole cover on the outside of the rotating rod to rotate. By using the No. 1 magnetic pole cover in conjunction with the No. 2 magnetic pole cover, when the two are on the same plane, they will repel each other, thereby causing the spring rod to move inside the operating circle. At this time, the spring rod will squeeze the elastic oil bag inside the operating circle, causing the lubricant inside the elastic oil bag to flow to the outside of the rotating shaft through the oil outlet pipe, thereby lubricating the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention, but do not constitute a limitation of the present invention.

[0023] Figure 1 It is a structural schematic diagram of the intelligent underwater brushless DC motor of the present invention;

[0024] Figure 2 It is a schematic diagram of the structure of the intelligent underwater brushless DC motor after it moves;

[0025] Figure 3It is a structural schematic diagram of the intelligent underwater brushless DC motor connection base and the outer side of the motor base of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the motor body of the intelligent underwater brushless DC motor of the present invention and the outer side of the connecting plate;

[0027] Figure 5 It is a structural schematic diagram of the running circle and the outer side of the rotating shaft of the intelligent underwater brushless DC motor of the present invention;

[0028] Figure 6 The intelligent underwater brushless DC motor, assembly method and assembly system of the present invention Figure 4 A magnified view of the structure at center A;

[0029] Numbers in the figure: 1. Connecting seat; 2. Snap-in groove; 3. Connecting plate; 4. Motor seat; 5. Motor body; 6. Rotating shaft; 7. Pushing blade; 8. Positioning hole; 9. Threaded tube; 10. Screw; 11. Rotating cover; 12. Connecting plate; 13. Slide groove; 14. Slide rod; 15. Moving block; 16. L-shaped plate; 17. Movable tube; 18. Moving rod; 19. Compression spring; 20. Snap-in rod; 21. Connecting hole; 22. Rotating rod; 23. Running circle; 24. Oil inlet cover; 25. Elastic oil bag; 26. Oil outlet pipe; 27. No. 1 magnetic pole cover; 28. Spring rod; 29. ​​No. 2 magnetic pole cover. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Example 1 Please refer to Figure 1-Figure 6 , the present invention provides a technical solution:

[0032] An intelligent underwater brushless DC motor, an assembly method and an assembly system include a connecting seat 1, an inner wall of the connecting seat 1 is provided with a snap-in groove 2, a connecting disk 3 is installed inside the snap-in groove 2, a motor seat 4 is fixedly connected to the outer side of the connecting disk 3, a motor body 5 is fixedly connected to the outer side of the motor seat 4, a rotating shaft 6 is fixedly connected to the output end of the motor body 5, a pushing fan blade 7 is fixedly connected to the outer side of the rotating shaft 6, a positioning hole 8 is provided inside the connecting disk 3, a threaded tube 9 is fixedly connected to the outer side of the connecting seat 1, a screw 10 is threadedly connected to the inner side of the threaded tube 9, and a rotating cover 11 is fixedly connected to the outer side of the screw 10.

[0033] Specifically, Figure 1As shown, the motor seat 4 is fixedly connected to the outside of the connecting seat 1 through the connecting disk 3, the positioning holes 8 are symmetrically distributed inside the connecting disk 3, the threaded tubes 9 are symmetrically distributed on the outside of the connecting seat 1, and the screw 10 is rotatably connected to the inside of the positioning holes 8 through the rotating cover 11.

[0034] In this embodiment: by setting up a connecting seat 1, first, the connecting disk 3 on the outside of the motor seat 4 is installed in the clamping groove 2 inside the connecting seat 1, and then the screw 10 is rotated inside the threaded tube 9 by rotating the cover 11, so that the screw 10 is rotated and moved inside the threaded tube 9, and the movement of the screw 10 causes one end of the screw to enter the positioning hole 8 inside the connecting disk 3, and then the connecting disk 3 on the outside of the motor seat 4 can be fixedly connected to the inside of the clamping groove 2, and then the motor body 5 can be firmly connected to the outside of the connecting seat 1, and when the motor body 5 needs to be disassembled and repaired, the screw 10 is driven to reverse by rotating the cover 11, so that one end of the screw 10 is moved out from the positioning hole 8 inside the connecting disk 3, thereby achieving the effect of convenient disassembly.

[0035] Example 2 Please refer to Figure 1 , Figure 2 and Figure 4 The difference between this embodiment and embodiment 1 is that: a connecting plate 12 is fixedly connected to the outer side of the motor base 4, a slide groove 13 is opened inside the connecting plate 12, a slide rod 14 is slidably connected inside the slide groove 13, a moving block 15 is fixedly connected to the outer side of the slide rod 14, an L-shaped plate 16 is fixedly connected to the top of the moving block 15, a movable tube 17 is fixedly connected to the top of the L-shaped plate 16, a moving rod 18 is movably connected inside the movable tube 17, a compression spring 19 is fixedly connected to the outer side of the moving rod 18, a clamping rod 20 is fixedly connected to the bottom of the moving rod 18, and a connecting hole 21 is opened inside the connecting plate 12.

[0036] Specifically, Figure 1-6 As shown, the connecting plate 12 is symmetrically distributed on the outside of the motor base 4, and the moving block 15 is slidably connected to the outside of the connecting plate 12 through the sliding rod 14. The end of the sliding rod 14 away from the moving block 15 is fixedly connected to the outer side of the motor body 5, and the connecting holes 21 are evenly distributed inside the connecting plate 12.

[0037] In this embodiment: by setting up the motor base 4 and the motor body 5, when it is necessary to adjust the position of the motor body 5, first move the moving rod 18 inside the movable tube 17, and then the moving rod 18 will drive the clamping rod 20 to move out of the connecting hole 21 inside the connecting plate 12, and then move the moving block 15 on the outside of the connecting plate 12, so that the moving block 15 drives the sliding rod 14 to move, and the movement of the sliding rod 14 drives the motor body 5 to move on the outside of the motor base 4. When it moves to the required position, the moving rod 18 is released, so that the moving rod 18 enters the inside of the connecting hole 21 again under the action of the compression spring 19, thereby achieving the effect of being able to adjust the position of the motor body 5.

[0038] Example 3, please refer to Figure 1 , Figure 2 and Figure 4 The difference between this embodiment and embodiment 1 is that: a rotating rod 22 is fixedly connected to the outer side of the rotating shaft 6, a running circle 23 is fixedly connected to the outer side of the motor body 5, an oil inlet cover 24 is fixedly connected to the top of the running circle 23, an elastic oil bag 25 is fixedly connected to the inside of the running circle 23, an oil outlet pipe 26 is fixedly connected to the outside of the elastic oil bag 25, a No. 1 magnetic pole cover 27 is fixedly connected to the outside of the rotating rod 22, a spring rod 28 is movably connected to the inside of the running circle 23, and a No. 2 magnetic pole cover 29 is fixedly connected to the outside of the spring rod 28.

[0039] Specifically, Figure 1-6 As shown, the rotating rod 22 and the No. 1 magnetic pole cover 27 are symmetrically distributed on the outside of the rotating shaft 6, the elastic oil bag 25 is located inside the motor body 5, the No. 1 magnetic pole cover 27 and the No. 2 magnetic pole cover 29 are the same magnetic poles, and the oil outlet pipe 26 is located on the outside of the rotating shaft 6.

[0040] In this embodiment: by setting up a motor body 5, by starting the motor body 5, the motor body 5 drives the rotating shaft 6 to rotate, and when the rotating shaft 6 rotates, it can drive the No. 1 magnetic pole cover 27 on the outside of the rotating rod 22 to rotate. By the coordinated use of the No. 1 magnetic pole cover 27 and the No. 2 magnetic pole cover 29, when the two are on the same plane, they will repel each other, and then the spring rod 28 will move inside the running circle 23. At this time, the spring rod 28 will squeeze the elastic oil bag 25 inside the running circle 23, so that the lubricant inside the elastic oil bag 25 flows to the outside of the rotating shaft 6 through the oil outlet pipe 26, so that the rotating shaft 6 can be lubricated.

[0041] An intelligent underwater brushless DC motor and an assembly method, comprising the following steps:

[0042] In the first step, the motor base 4 is first installed in the clamping groove 2 inside the connecting base 1, so that the motor body 5 is installed outside the connecting base 1, and the output end of the motor body 5 is connected to the rotating shaft 6;

[0043] In the second step, after the motor body 5 is installed, the motor body 5 is started by an external control device, so that the motor body 5 drives the push blades 7 on the outer side of the rotating shaft 6 to rotate;

[0044] In the third step, when the motor base 4 needs to be disassembled from the outer side of the connecting base 1 , the screw rod 10 can be rotated to move it out from the inside of the positioning hole 8 .

[0045] Working principle: by setting up the connecting seat 1, firstly, the connecting disk 3 on the outside of the motor seat 4 is installed in the clamping groove 2 inside the connecting seat 1, at this time, the screw 10 is rotated inside the threaded tube 9 by rotating the cover 11, so that the screw 10 is rotated and moved inside the threaded tube 9, and one end of the screw 10 enters the positioning hole 8 inside the connecting disk 3 through the movement of the screw 10, at this time, the connecting disk 3 on the outside of the motor seat 4 can be fixedly connected to the inside of the clamping groove 2, and the motor body 5 can be firmly connected to the outside of the connecting seat 1, when it is necessary to disassemble and repair the motor body 5, the screw 10 is driven to reverse by rotating the cover 11, so that one end of the screw 10 is moved out of the positioning hole 8 inside the connecting disk 3, so as to achieve the effect of convenient disassembly, by setting up the motor seat 4 and the motor body 5, when it is necessary to adjust the position of the motor body 5, firstly, the moving rod 18 is moved inside the movable tube 17, and the moving rod 18 will drive the clamping rod 20 to move out of the connecting hole 21 inside the connecting plate 12, and at this time, by moving The block 15 moves on the outside of the connecting plate 12, so that the moving block 15 drives the slide bar 14 to move, and the movement of the slide bar 14 drives the motor body 5 to move on the outside of the motor seat 4. When it moves to the required position, the moving rod 18 is loosened, so that the moving rod 18 enters the inside of the connecting hole 21 again under the action of the compression spring 19, so as to achieve the effect of being able to adjust the position of the motor body 5. By setting the motor body 5 and starting the motor body 5, the motor body 5 drives the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, it can drive the No. 1 magnetic pole cover 27 on the outside of the rotating rod 22 to rotate. Through the cooperation of the No. 1 magnetic pole cover 27 and the No. 2 magnetic pole cover 29, when the two are on the same plane, they will repel each other, thereby causing the spring rod 28 to move inside the running circle 23. At this time, the spring rod 28 will squeeze the elastic oil bag 25 inside the running circle 23, so that the lubricant inside the elastic oil bag 25 flows to the outside of the rotating shaft 6 through the oil outlet pipe 26, so that the rotating shaft 6 can be lubricated.

[0046] 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. An intelligent underwater brushless DC motor assembly system, comprising a connection seat (1), characterized in that: The inner wall of the connecting seat (1) is provided with a snap-in groove (2), a connecting plate (3) is installed inside the snap-in groove (2), the outer side of the connecting plate (3) is fixedly connected to a motor seat (4), the outer side of the motor seat (4) is fixedly connected to a motor body (5), the output end of the motor body (5) is fixedly connected to a rotating shaft (6), the outer side of the rotating shaft (6) is fixedly connected to a pushing blade (7), a positioning hole (8) is provided inside the connecting plate (3), the outer side of the connecting seat (1) is fixedly connected to a threaded tube (9), the inner side of the threaded tube (9) is threadedly connected to a screw rod (10), and the outer side of the screw rod (10) is fixedly connected to a rotating cover (11).

2. The intelligent underwater brushless DC motor assembly system according to claim 1 is characterized in that: The outer side of the motor seat (4) is fixedly connected with a connecting plate (12), the interior of the connecting plate (12) is provided with a slide groove (13), the interior of the slide groove (13) is slidably connected with a slide rod (14), the outer side of the slide rod (14) is fixedly connected with a moving block (15), the top of the moving block (15) is fixedly connected with an L-shaped plate (16), the top of the L-shaped plate (16) is fixedly connected with a movable tube (17), the interior of the movable tube (17) is movably connected with a moving rod (18), the outer side of the moving rod (18) is fixedly connected with a compression spring (19), the bottom of the moving rod (18) is fixedly connected with a clamping rod (20), and the interior of the connecting plate (12) is provided with a connecting hole (21).

3. The intelligent underwater brushless DC motor assembly system according to claim 1 is characterized in that: The outer side of the rotating shaft (6) is fixedly connected to a rotating rod (22), the outer side of the motor body (5) is fixedly connected to a running circle (23), the top of the running circle (23) is fixedly connected to an oil inlet cover (24), the inside of the running circle (23) is fixedly connected to an elastic oil bag (25), the outer side of the elastic oil bag (25) is fixedly connected to an oil outlet pipe (26), the outer side of the rotating rod (22) is fixedly connected to a No. 1 magnetic pole cover (27), the inside of the running circle (23) is movably connected to a spring rod (28), and the outer side of the spring rod (28) is fixedly connected to a No. 2 magnetic pole cover (29).

4. The intelligent underwater brushless DC motor assembly system according to claim 1 is characterized in that: The motor seat (4) is fixedly connected to the outside of the connecting seat (1) via a connecting plate (3), and the positioning holes (8) are symmetrically distributed inside the connecting plate (3).

5. The intelligent underwater brushless DC motor assembly system according to claim 1 is characterized in that: The threaded tubes (9) are symmetrically distributed on the outside of the connection seat (1), and the screw rod (10) is rotatably connected to the inside of the positioning hole (8) through a rotating cover (11).

6. The intelligent underwater brushless DC motor assembly system according to claim 2 is characterized in that: The connecting plates (12) are symmetrically distributed on the outside of the motor base (4), and the moving block (15) is slidably connected to the outside of the connecting plates (12) via a sliding rod (14).

7. The intelligent underwater brushless DC motor assembly system according to claim 2 is characterized in that: One end of the slide bar (14) away from the moving block (15) is fixedly connected to the outside of the motor body (5), and the connection holes (21) are evenly distributed inside the connecting plate (12).

8. The intelligent underwater brushless DC motor assembly system according to claim 3 is characterized by: The rotating rod (22) and the No. 1 magnetic pole cover (27) are symmetrically distributed on the outside of the rotating shaft (6), and the elastic oil bag (25) is located inside the motor body (5).

9. The intelligent underwater brushless DC motor assembly system according to claim 3 is characterized by: The first magnetic pole cover (27) and the second magnetic pole cover (29) are magnetic poles of the same name, and the oil outlet pipe (26) is located outside the rotating shaft (6).

10. An intelligent underwater brushless DC motor assembly method, comprising the following steps: In the first step, the motor base (4) is first installed in the clamping groove (2) inside the connecting base (1), so that the motor body (5) is installed outside the connecting base (1), and the output end of the motor body (5) is connected to the rotating shaft (6); In the second step, after the motor body (5) is installed, the motor body (5) is started by an external control device, so that the motor body (5) drives the push blades (7) outside the rotating shaft (6) to rotate; In the third step, when the motor base (4) needs to be disassembled from the outside of the connecting base (1), the screw (10) is rotated to move it out from the inside of the positioning hole (8).