High-power electric tugboats with dual stators and dual rotors using permanent magnet energy-saving propulsion motors

Abstract

This invention relates to the field of electric motor technology and provides a high-power permanent magnet energy-saving propulsion motor for electric tugboats with dual stators and dual rotors. The motor includes a base plate with two upright plates fixedly mounted on its top. A motor body is fixedly mounted on one side of each of the upright plates. Multiple springs are fixedly mounted on one side of one of the upright plates. In this embodiment, gas exits through an air vent and pushes an air-blocking plug to slide on the surface of a short rod. The pressure of the gas exiting the air vent is greater than the repulsive magnetic force between magnet one and magnet two. After entering the interior of a thick tube, the gas passes through the thick tube into the interior of a U-shaped tube. Then, the gas passes through the U-shaped tube and then through an air inlet into the interior of the motor body, allowing the high-temperature gas inside the motor body to dissipate through the air outlet. As long as the motor body is running, the gas inside the air vent will continuously enter the interior of the motor body through the U-shaped tube, dissipating heat from the motor body.

Description

Technical Field

[0001] This invention relates to the field of electric motor technology, and in particular to a permanent magnet energy-saving propulsion motor for a high-power electric tugboat with dual stators and dual rotors. Background Technology

[0002] With the rapid development of the shipbuilding industry, the demand for high-power, high-efficiency propulsion motors for electric tugboats is increasing. Permanent magnet energy-saving propulsion motors, due to their high power density, high efficiency, and excellent dynamic performance, have been widely used in the field of electric tugboats. However, high-power motors generate a large amount of heat during long-term operation. If heat dissipation is inadequate, the motor temperature will rise excessively, affecting its performance and service life. Traditional heat dissipation methods, such as air cooling or liquid cooling, suffer from problems such as complex structure, high energy consumption, or inconvenient maintenance. Therefore, there is an urgent need for a highly efficient, energy-saving, and easy-to-maintain heat dissipation solution.

[0003] Furthermore, high-power motors generate vibrations during operation. If these vibrations are transmitted to the motor housing or other components, they may affect the overall structural stability. Additionally, routine maintenance and repair of motors require easily disassembled structures, but traditional motor housings are typically secured with bolts, making disassembly and assembly cumbersome and hindering rapid maintenance. Summary of the Invention

[0004] The purpose of this invention is to solve the problem in existing technologies where high-power motors generate a large amount of heat during long-term operation. Poor heat dissipation can lead to excessive temperature rise in the motor, affecting its performance and service life. Traditional heat dissipation methods, such as air cooling or liquid cooling, are complex in structure, have high energy consumption, or are inconvenient to maintain. Routine maintenance and repair of motors require easy disassembly of the structure, but traditional motor housings are usually fixed with bolts, making the disassembly and assembly process cumbersome and not conducive to rapid maintenance.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a high-power electric tugboat permanent magnet energy-saving propulsion motor with dual stators and dual rotors, comprising: a base plate, two upright plates fixedly installed on the top of the base plate, a motor body fixedly installed on one side of the two upright plates, multiple springs fixedly installed on one side of one of the upright plates, a vibrating plate fixedly connected to one end of the multiple springs, multiple limiting rods fixedly installed on one side of one of the upright plates near the multiple springs, a vibrating plate movably sleeved on the surface of the multiple limiting rods, a linkage block fixedly installed on one side of the vibrating plate, an airbag fixedly installed on the top of the base plate, and the linkage block located on one side of the airbag.

[0006] The technical effect of adopting the above-mentioned further solution is that the motor body is fixed above the base plate. When the motor body is running, it will vibrate, which will cause the upright plate to vibrate slightly. After the vibration, the spring generates elastic force, causing the vibrating plate to slide back and forth on the outer surface of the limit rod. At this time, it drives the linkage block to move and squeeze the surface of the airbag.

[0007] In a preferred embodiment, an electric air pump is fixedly installed on the bottom plate near the top of the airbag. The electric air pump is fixedly connected to one side of the airbag via an air pipe. An air hole is opened on one side of the airbag. Multiple short rods are fixedly installed on one side of the airbag. An air-blocking plug is movably sleeved on the outer surface of the multiple short rods. The air-blocking plug is located inside the air hole. A magnet is fixedly installed on the side of the air-blocking plug away from the air hole.

[0008] The technical effect of adopting the above-mentioned further solution is that the electric air pump can inflate the airbag through the pipeline. When the airbag is squeezed, the gas comes out through the air hole and pushes the air stopper to slide on the surface of the short rod. The pressure of the gas pushed out of the air hole is greater than the magnetic force repulsing between magnet one and magnet two, and the gas enters the interior of the thick tube.

[0009] In a preferred embodiment, a limiting block is fixedly installed at one end of each of the short rods, and a magnet is fixedly installed on the side of the limiting block near the first magnet. The first magnet and the second magnet repel each other. A thick tube is installed on the side of the airbag near the limiting block, and the limiting block is located inside the thick tube. A U-shaped tube is fixedly embedded inside the thick tube. An air inlet is opened on one side of the motor body, and one end of the U-shaped tube is fixedly embedded inside the air inlet. Multiple fixing frames are fixedly installed on the surface around the motor body.

[0010] The technical effect of adopting the above-mentioned further solution is as follows: the gas enters the U-shaped tube through the thick tube, and then enters the motor body through the U-shaped tube and the air inlet. This allows the high-temperature gas inside the motor body to be released through the air outlet. As long as the motor body is running, the gas inside the air bag will continuously enter the motor body through the U-shaped tube to dissipate heat from the inside of the motor body.

[0011] In a preferred embodiment, the inner walls of the plurality of fixed frames are provided with vertical grooves, the interiors of the plurality of vertical grooves are slidably connected with blocks, the tops of the plurality of blocks are provided with first movable blocks, the tops of the plurality of first movable blocks are provided on the inner walls of the fixed frames, the interiors of the fixed frames are movably connected with first movable blocks, one side of the first movable blocks is fixedly connected with second movable blocks, one side of the motor body is detachably connected with an outer cover, and the outer surface of the outer cover is fixedly connected with a plurality of fixed blocks.

[0012] The technical effect of adopting the above-mentioned further solution is that the second movable block fits against the surface of the abutment block, limits the fixing strip, and thus installs the outer cover. After the outer cover is removed, it is more convenient to repair and inspect the inside of the motor body.

[0013] In a preferred embodiment, a rotating rod is movably embedded inside each of the plurality of fixed blocks, a fixing strip is movably sleeved on the outer surface of each of the plurality of rotating rods, a stop block is fixedly connected to one end of each of the plurality of fixing strips, the plurality of stop blocks are located on the surface of the plurality of second movable blocks, and a rotating rod is movably embedded inside the outer cover.

[0014] The technical effect of adopting the above-mentioned further solution is that the stop block can move up and down under the limitation of the first movable block. At this time, the first movable block and the second movable block are limited, and the second movable block fits against the surface of the abutment block to limit the fixing strip.

[0015] In a preferred embodiment, the rotating rod is located inside the motor body, and the surface of the outer cover is provided with an air vent.

[0016] The technical effect of adopting the above-mentioned further solution is that the rotating rod rotates, which is used for the operation of the entire motor body.

[0017] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0018] 1. In this embodiment of the invention, the electric air pump can inflate the airbag through the pipeline. When the airbag is compressed, the gas comes out through the air hole and pushes the air stopper to slide on the surface of the short rod. The pressure of the gas pushed out through the air hole is greater than the magnetic force repulsing between magnet one and magnet two. After the gas enters the interior of the thick tube, it enters the interior of the U-shaped tube through the thick tube. Then the gas enters the interior of the motor body through the air inlet through the U-shaped tube, so that the high temperature gas inside the motor body is released through the air outlet. As long as the motor body is running, the gas inside the airbag will continuously enter the interior of the motor body through the U-shaped tube to dissipate heat from the motor body.

[0019] 2. In this embodiment of the invention, the motor body is fixed above the base plate. When the motor body is running, it will vibrate, which will cause the upright plate to vibrate slightly. After the vibration, the spring generates elastic force, causing the vibrating plate to slide back and forth on the outer surface of the limit rod. At this time, the linkage block moves to squeeze the surface of the airbag.

[0020] 3. In this embodiment of the invention, after the motor body stops running, the airbag is not compressed. Under the repulsive magnetic force of magnet one and magnet two, the air-blocking plug is embedded inside the air hole, blocking the gas inside the airbag. By pushing the stop block to move inside the vertical groove, the stop block moves upward and disengages from one side of the first movable block. The first and second movable blocks move to one side. At this time, the fixing strip is rotated around the rotating rod as the center. The outer cover can be removed. The stop block is located on one side of the first movable block, which can limit the second movable block. The second movable block is attached to the surface of the stop block, limiting the fixing strip, thereby installing the outer cover. After the outer cover is removed, it is more convenient to repair and inspect the inside of the motor body. Attached Figure Description

[0021] Figure 1 A three-dimensional structural schematic diagram of a high-power electric tugboat with dual stators and dual rotors provided by the present invention;

[0022] Figure 2 A first top view schematic diagram of the permanent magnet energy-saving propulsion motor for a high-power electric tugboat with dual stators and dual rotors provided by the present invention;

[0023] Figure 3 A second top view schematic diagram of the permanent magnet energy-saving propulsion motor for a high-power electric tugboat with dual stators and dual rotors provided by the present invention;

[0024] Figure 4 An enlarged structural schematic diagram at point A of the high-power electric tugboat permanent magnet energy-saving propulsion motor with dual stators and dual rotors provided by the present invention;

[0025] Figure 5 An enlarged structural schematic diagram of point B of the high-power electric tugboat permanent magnet energy-saving propulsion motor with dual stators and dual rotors provided by the present invention;

[0026] Figure 6 An enlarged structural schematic diagram of the fixed frame of the high-power electric tugboat with dual stators and dual rotors provided by the present invention;

[0027] Figure 7 A side view schematic diagram of the permanent magnet energy-saving propulsion motor for a high-power electric tugboat with dual stators and dual rotors provided by the present invention;

[0028] Figure 8 This is an enlarged structural diagram of point C of the high-power electric tugboat permanent magnet energy-saving propulsion motor with dual stators and dual rotors provided by the present invention.

[0029] Legend:

[0030] 101. Base plate; 102. Motor body; 103. Outer cover; 104. Rotating rod; 105. Fixing block; 106. Fixing strip; 107. Abutment block; 108. Fixing frame; 109. Stop block; 110. Vertical groove; 111. First movable block; 112. Second movable block; 113. Rotating rod; 114. Vertical plate; 115. Limiting rod; 116. Vibrating plate; 117. Spring; 118. Linkage block; 119. Airbag; 120. Electric air pump; 121. Short rod; 122. Limiting block; 123. Air stopper; 124. Air hole; 125. Magnet one; 126. Magnet two; 127. Thick tube; 128. U-shaped tube; 129. Air inlet; 130. Air outlet. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0032] Please see Figures 1 to 8 This embodiment provides a technical solution: a permanent magnet energy-saving propulsion motor for a high-power electric tugboat with dual stators and dual rotors, comprising: a base plate 101, two upright plates 114 fixedly installed on the top of the base plate 101, a motor body 102 fixedly installed on one side of the two upright plates 114, a plurality of springs 117 fixedly installed on one side of one of the upright plates 114, a vibrating plate 116 fixedly connected to one end of the plurality of springs 117, a plurality of limiting rods 115 fixedly installed on one side of one of the upright plates 114 near the plurality of springs 117, the vibrating plate 116 movably sleeved on the surface of the plurality of limiting rods 115, a linkage block 118 fixedly installed on one side of the vibrating plate 116, an airbag 119 fixedly installed on the top of the base plate 101, and the linkage block 118 located on one side of the airbag 119.

[0033] When in use, the motor body 102 is fixed above the base plate 101. When the motor body 102 is running, it will vibrate, which will cause the upright plate 114 to vibrate slightly. After the vibration, the spring 117 generates elastic force, causing the vibrating plate 116 to slide back and forth on the outer surface of the limit rod 115. At this time, the linkage block 118 moves to squeeze the surface of the airbag 119.

[0034] like Figures 1 to 8As shown, in one embodiment, an electric air pump 120 is fixedly installed on the bottom plate 101 near the top of the airbag 119. The electric air pump 120 is fixedly connected to one side of the airbag 119 through an air pipe. An air hole 124 is opened on one side of the airbag 119. A plurality of short rods 121 are fixedly installed on one side of the airbag 119. An air-blocking plug 123 is movably sleeved on the outer surface of the plurality of short rods 121. The air-blocking plug 123 is located inside the air hole 124. A magnet 125 is fixedly installed on the side of the air-blocking plug 123 away from the air hole 124. The electric air pump 120 can inflate the airbag 119 through the pipe. When the airbag 119 is squeezed, the gas comes out through the air hole 124 and pushes the air-blocking plug 123 to slide on the surface of the short rod 121. The pressure of the gas pushed out of the air hole 124 is greater than the repulsive magnetic force between the magnet 125 and the magnet 26, and the gas enters the interior of the thick tube 127.

[0035] like Figures 1 to 8 As shown, in one embodiment, a limiting block 122 is fixedly installed at one end of a plurality of short rods 121. A magnet 126 is fixedly installed on the side of the limiting block 122 near the magnet 125. The magnet 125 and the magnet 126 repel each other. A thick tube 127 is installed on the side of the airbag 119 near the limiting block 122. The limiting block 122 is located inside the thick tube 127. A U-shaped tube 128 is fixedly embedded inside the thick tube 127. An air inlet 129 is opened on one side of the motor body 102. One end of the U-shaped tube 128 is fixedly embedded inside the air inlet 129. The motor body 102 has multiple fixed frames 108 fixedly installed on its surrounding surface. The gas enters the U-shaped tube 128 through the thick tube 127, and then enters the motor body 102 through the U-shaped tube 128 and then through the air inlet 129. This allows the high-temperature gas inside the motor body 102 to be released through the air outlet 130. As long as the motor body 102 is running, the gas inside the air bag 119 will continuously enter the motor body 102 through the U-shaped tube 128 to dissipate heat from the inside of the motor body 102.

[0036] like Figures 1 to 8As shown, in one embodiment, the inner walls of multiple fixed frames 108 are provided with vertical grooves 110, and the interiors of multiple vertical grooves 110 are slidably connected with blocks 109. The tops of multiple blocks 109 are provided with first movable blocks 111, and the tops of multiple first movable blocks 111 are located on the inner walls of fixed frames 108. The interiors of fixed frames 108 are movably connected with first movable blocks 111. A second movable block 112 is fixedly connected to one side of the first movable block 111. An outer cover 103 is detachably connected to one side of the motor body 102. Multiple fixed blocks 105 are fixedly connected to the outer surface of the outer cover 103. The second movable block 112 fits against the surface of the abutment block 107 to limit the fixing strip 106, thereby installing the outer cover 103. After the outer cover 103 is removed, it is more convenient to repair and inspect the interior of the motor body 102.

[0037] like Figures 1 to 8 As shown, in one embodiment, a rotating rod 113 is movably embedded inside the multiple fixed blocks 105, and a fixing strip 106 is movably sleeved on the outer surface of the multiple rotating rods 113. One end of each fixing strip 106 is fixedly connected to a stop block 107. The multiple stop blocks 107 are located on the surface of the multiple second movable blocks 112. A rotating rod 104 is movably embedded inside the outer cover 103. The stop block 109 can move up and down under the limitation of the first movable block 111. At this time, the first movable block 111 and the second movable block 112 are limited. The second movable block 112 fits against the surface of the stop block 107 to limit the fixing strip 106.

[0038] like Figures 1 to 8 As shown, in one embodiment, the rotating rod 104 is located inside the motor body 102, and the surface of the outer cover 103 is provided with an air vent 130. The rotating rod 104 rotates to operate the entire motor body 102.

[0039] Working principle: During use, the motor body 102 is fixed above the base plate 101. When the motor body 102 runs, it will vibrate, which will cause the upright plate 114 to vibrate slightly. After vibration, the spring 117 generates elastic force, causing the vibrating plate 116 to slide back and forth on the outer surface of the limit rod 115. At this time, the linkage block 118 moves and compresses the surface of the airbag 119. The electric air pump 120 can inflate the airbag 119 through the pipeline. When the airbag 119 is compressed, the gas comes out through the air hole 124 and pushes the air stopper 123 to slide on the surface of the short rod 121. The pressure of the gas pushed out of the air hole 124 is greater than the repulsive magnetic force between the first magnet 125 and the second magnet 126. After the gas enters the interior of the thick pipe 127, it enters the interior of the U-shaped pipe 128 through the thick pipe 127. Then, the gas enters the interior of the motor body 102 through the air inlet 129 through the U-shaped pipe 128. This allows the high-temperature gas inside the motor body 102 to be released through the air outlet 130. As long as the motor body 102 is running, the gas inside the airbag 119 will continuously enter the interior of the motor body 102 through the U-shaped pipe 128. After the motor body 102 stops running, the airbag 119 is not compressed. Under the repulsive magnetic force of magnet one 125 and magnet two 126, the air blocker 123 is embedded inside the air hole 124 to block the gas inside the airbag 119. By pushing the stop block 109 to move inside the vertical groove 110, the stop block 109 moves upward and disengages from one side of the first movable block 111. The first movable block 111 and the second movable block 112 move to one side. At this time, the fixing bar 106 is rotated around the rotating rod 113 as the center. The outer cover 103 can be removed. The stop block 109 is located on one side of the first movable block 111 and can limit the second movable block 112. The second movable block 112 fits against the surface of the abutment block 107 and limits the fixing bar 106, thereby installing the outer cover 103. After the outer cover 103 is removed, it is more convenient to perform maintenance and inspection inside the motor body 102.

[0040] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0041] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments that can be applied to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the protection scope of the present invention.

Claims

1. A high-power permanent magnet energy-saving propulsion motor for dual-stator, dual-rotor electric tugboats, including: The base plate (101) is characterized in that two upright plates (114) are fixedly installed on the top of the base plate (101), and a motor body (102) is fixedly installed on the opposite side of the two upright plates (114), and a plurality of fixed frames (108) are fixedly installed on the surface around the motor body (102). The inner walls of the multiple fixed frames (108) are provided with vertical grooves (110), and the interiors of the multiple vertical grooves (110) are slidably connected with blocks (109). The tops of the multiple blocks (109) are provided with first movable blocks (111), and the tops of the multiple first movable blocks (111) are provided on the inner walls of the fixed frames (108). The fixed frame (108) is movably connected to a first movable block (111), and a second movable block (112) is fixedly connected to one side of the first movable block (111). The motor body (102) is detachably connected to one side of an outer cover (103), and a plurality of fixed blocks (105) are fixedly connected to the outer surface of the outer cover (103). Each of the multiple fixing blocks (105) has a rotating rod (113) movably embedded inside, and a fixing strip (106) movably sleeved on the outer surface of each of the multiple rotating rods (113). One end of each of the multiple fixing strips (106) is fixedly connected to a stop block (107). The plurality of abutments (107) are located on the surface of the plurality of second movable blocks (112), and the second movable blocks (112) are attached to the surface of the abutments (107) to limit the fixing strip (106).

2. The high-power permanent magnet energy-saving propulsion motor for electric tugboats with dual stators and dual rotors as described in claim 1, characterized in that: One of the upright plates (114) is fixedly installed with a plurality of springs (117) on one side, and a vibrating plate (116) is fixedly connected to one end of the plurality of springs (117). One of the upright plates (114) is fixedly installed with a plurality of limiting rods (115) on one side near the plurality of springs (117). The vibrating plate (116) is movably sleeved on the surface of the plurality of limiting rods (115). A linkage block (118) is fixedly installed on one side of the vibrating plate (116). An airbag (119) is fixedly installed on the top of the bottom plate (101). The linkage block (118) is located on one side of the airbag (119). An electric air pump (120) is fixedly installed on the bottom plate (101) near the top of the airbag (119), and the electric air pump (120) is fixedly connected to one side of the airbag (119) through an air tube. An air hole (124) is provided on one side of the airbag (119). A plurality of short rods (121) are fixedly installed on one side of the airbag (119). An air-blocking plug (123) is movably sleeved on the outer surface of the plurality of short rods (121). The air-blocking plug (123) is located inside the air hole (124). A magnet (125) is fixedly installed on the side of the air-blocking plug (123) away from the air hole (124). A limiting block (122) is fixedly installed at one end of each of the short rods (121). A magnet (126) is fixedly installed on the side of the limiting block (122) near the magnet (125). The magnet (125) and the magnet (126) repel each other. A thick tube (127) is installed on the side of the airbag (119) near the limiting block (122). The limiting block (122) is located inside the thick tube (127), and a U-shaped tube (128) is fixedly embedded inside the thick tube (127). An air inlet (129) is opened on one side of the motor body (102), and one end of the U-shaped tube (128) is fixedly embedded inside the air inlet (129). The outer cover (103) is movably embedded with a rotating rod (104), which is located inside the motor body (102). The outer cover (103) has an air vent (130) on its surface.

Images