Permanent magnet direct drive all-in-one machine

Abstract

The utility model belongs to the technical field of permanent magnet motors, and particularly relates to a permanent magnet direct drive all-in-one machine which comprises a machine base, a dustproof mechanism is arranged in the machine base and comprises a heat dissipation cover, the right side of the heat dissipation cover is connected with the left side of the machine base in a fastening mode through bolts, a rotating groove is formed in the heat dissipation cover, and a dustproof plate is movably connected to the inner wall of the rotating groove. The other face of the dustproof plate is fixedly connected with a rotating handle, the rotating handle is located outside the heat dissipation cover, an end plate mechanism is arranged on the right side of the machine base and comprises an end plate, the outer wall of the end plate is fixedly connected with a plurality of insertion blocks, the outer walls of the insertion blocks are provided with spring grooves, and the number of the spring grooves is two. The inner walls of the two spring grooves are fixedly connected with two springs, and the other ends of the two springs are fixedly connected with locking pins. Under the combined action of the rotating handle, the circular ring and the locking pin, the dustproof function is achieved, meanwhile, the end plate can be disassembled and assembled without tools, and time and labor are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of permanent magnet motors, in particular to a permanent magnet direct drive integrated machine. Background Art

[0002] The "permanent magnet direct drive motor" is the world's first set of 55 cubic meter super-large electric shovel hoists. This equipment realizes the direct drive of permanent magnet motors for large mining electric shovel hoists for the first time. Compared with AC motors, it can save 20% energy and greatly improve its operating efficiency and energy efficiency. According to the calculation that it saves 100 kWh of electricity per hour, it is expected to save 800,000 kWh of electricity throughout the year, which corresponds to a reduction of 225 tons of carbon dioxide emissions.

[0003] In order to save energy, more and more companies are using permanent magnet direct-drive all-in-one machines. When the existing permanent magnet direct-drive all-in-one machines are not in use, dust will enter the motor with the air, affecting the motor's use and heat dissipation performance. In addition, when installing the end plate, the end plate is usually fastened to the base with multiple bolts, and tools are required, which is time-consuming and labor-intensive. Summary of the invention

[0004] The utility model aims to provide a permanent magnet direct drive integrated machine, which has a dustproof function under the joint action of a turning handle, a ring and a locking pin, and at the same time, the end plate can be disassembled and assembled without the aid of tools, thus saving time and effort.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a permanent magnet direct-drive integrated machine is provided, including a machine base, a dustproof mechanism is arranged inside the machine base, the dustproof mechanism includes a heat dissipation cover, the right side of the heat dissipation cover is fastened to the left side of the machine base by bolts, a rotating groove is opened inside the heat dissipation cover, a dustproof plate is movably connected to the inner wall of the rotating groove, a turning handle is fixedly connected to the other side of the dustproof plate, the turning handle is located outside the heat dissipation cover, an end plate mechanism is arranged on the right side of the machine base, the end plate mechanism includes an end plate, an outer wall of the end plate is fixedly connected to an insert block, and the number of the insert blocks is There are multiple spring grooves, and the outer walls of the multiple plug blocks are provided with spring grooves, and the number of spring grooves is two. The inner walls of the two spring grooves are fixedly connected with springs, and the number of springs is two. The other ends of the two springs are fixedly connected with locking pins, and the surface of the locking pin located outside the spring groove is an inclined surface. The outer wall of the machine base is provided with a limiting groove, and the number of limiting grooves is multiple. A circular ring is arranged on the outside of the machine base, and the outer wall of the circular ring is fixedly connected with a limiting block, and the number of limiting blocks is multiple. The multiple limiting blocks are respectively located inside the multiple limiting grooves, and the outer wall of the circular ring is provided with a slot.

[0006] Optionally, a bearing is provided on the inner wall of the end plate, an outer ring of the bearing is fastened to the inner wall of the end plate by a plurality of bolts, and a rotating shaft is interference fitted on the inner wall of the bearing.

[0007] Optionally, the outer wall of the rotating shaft is provided with a keyway, and there are multiple keyways, and locking keys are installed inside the multiple keyways.

[0008] Optionally, a stator is fixedly connected to the inner wall of the base, a plurality of winding coils are installed inside the stator, a rotor is arranged inside the stator, and a plurality of permanent magnets are installed inside the rotor.

[0009] Optionally, the inner wall of the inner circle of the rotor is provided with a slide groove, and there are multiple slide grooves, the multiple slide grooves respectively correspond to the multiple key grooves, and the multiple locking keys are respectively located inside the multiple slide grooves and the multiple key grooves.

[0010] Optionally, a section of the rotating shaft located inside the base is movably connected to the inner wall of the heat dissipation cover, a section of the outer wall of the rotating shaft located inside the base is fixedly connected to fan blades, and there are multiple fan blades, and the outer wall of the base is fixedly connected to a junction box.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model is provided with a dustproof plate movably connected inside the heat dissipation cover. After the utility model stops working, the handle is turned to drive the dustproof plate to rotate. When the dustproof plate rotates to overlap with the heat dissipation holes inside the heat dissipation cover, dust can be prevented from entering the interior of the utility model, keeping the interior of the utility model clean. At the same time, a plurality of plug-ins are fixedly connected to the inner wall of the end plate, and a plurality of spring slots inside the plurality of plug-ins are respectively fixedly connected to the inner walls of the plurality of spring slots. In the process of the plurality of plug-ins passing through the plurality of slots provided by the circular ring, a plurality of locking pins are respectively compressed into the interior of the spring slots, so that the springs are in In the compressed state, when the multiple plug-in blocks completely enter the multiple slots, the multiple springs rebound and drive the multiple locking pins to return to their positions, so that the end plate and the machine base are locked and connected; when the end plate needs to be removed, the ring is pulled, and the multiple limit blocks fixedly connected to the outer wall of the ring move in the multiple limit grooves respectively. When the ring fits against the right side of the outer wall of the machine base, the multiple locking pins are compressed again to separate the end plate from the machine base. Compared with the prior art, the utility model has a dust-proof function by arranging a turning handle, a ring and a locking pin. At the same time, no tools are required to disassemble and assemble the end plate, which saves time and effort.

[0013] 2. The outer wall of the rotating shaft of the utility model is interference-fitted with the inner wall of the inner ring of the bearing, so that the inner ring of the bearing is tightly connected to the outer wall of the rotating shaft. When the rotating shaft rotates, the inner ring of the bearing is driven to rotate, thereby reducing the friction. The rotating shaft and the rotor are locked by a locking key. When power is turned on, the current passes through the multiple winding coils inside the stator to make the permanent magnet inside the rotor drive the rotor to rotate, thereby driving the rotating shaft to rotate, converting electrical energy into mechanical energy. When the rotating shaft rotates, it drives multiple fan blades to discharge the heat inside the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0019] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure at D in the middle;

[0020] Figure 6 This is a schematic diagram of the third perspective structure of the utility model;

[0021] Figure 7 It is a schematic diagram of the internal structure of the utility model;

[0022] Figure 8 For this utility model Figure 7 Schematic diagram of the enlarged structure at point C in the middle.

[0023] In the figure: 1. base; 2. dustproof mechanism; 201. heat dissipation cover; 202. rotating groove; 203. dustproof plate; 204. turning handle; 3. end plate mechanism; 301. end plate; 302. plug block; 303. spring groove; 304. spring; 305. locking pin; 306. limit groove; 307. ring; 308. limit block; 309. slot; 4. bearing; 5. rotating shaft; 6. keyway; 7. locking key; 8. stator; 9. rotor; 10. slide groove; 11. fan blade; 12. junction box. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] Reference Figure 1-8Now, a permanent magnet direct drive integrated machine provided by an embodiment of the utility model is described. The permanent magnet direct drive integrated machine comprises a machine base 1, a dustproof mechanism 2 is arranged inside the machine base 1, the dustproof mechanism 2 comprises a heat dissipation cover 201, the right side of the heat dissipation cover 201 is fastened to the left side of the machine base 1 by bolts, a rotating groove 202 is provided inside the heat dissipation cover 201, a dustproof plate 203 is movably connected to the inner wall of the rotating groove 202, and a turning handle 204 is fixedly connected to the other side of the dustproof plate 203, the turning handle 204 is located outside the heat dissipation cover 201, and the dustproof plate 203 is rotated when the dustproof plate 203 is connected to the multiple heat dissipation grooves inside the heat dissipation cover 201. When overlapped, the interior of the utility model is in a closed state, which can prevent dust from entering the interior of the utility model. An end plate mechanism 3 is arranged on the right side of the base 1, and the end plate mechanism 3 includes an end plate 301, and the outer wall of the end plate 301 is fixedly connected with an insert block 302, and the number of the insert blocks 302 is multiple, and the outer walls of the multiple insert blocks 302 are provided with spring grooves 303, and the number of the spring grooves 303 is two, and the inner walls of the two spring grooves 303 are fixedly connected with springs 304, and the number of the springs 304 is two, and the other ends of the two springs 304 are fixedly connected with locking pins 305, and the locking The surface of the pin 305 located outside the spring groove 303 is an inclined surface, the outer wall of the base 1 is provided with a limit groove 306, and the number of the limit grooves 306 is multiple, the outside of the base 1 is provided with a ring 307, the outer wall of the ring 307 is fixedly connected to the limit block 308, and the number of the limit block 308 is multiple, and the multiple limit blocks 308 are respectively located inside the multiple limit grooves 306, and the outer wall of the ring 307 is provided with a slot 309. When the end plate 301 is installed, the multiple plug blocks 302 respectively enter the multiple slots 309 opened inside the ring 307. In this process, the multiple locking pins 307 are locked. 05 are respectively compressed into the spring groove 303, at which time the spring 304 is in a compressed state, and when the end plate 301 is completely fitted with the outer wall of the base 1, the spring 304 rebounds, causing the multiple locking pins 305 to return to their positions, locking the end plate 301 and the base 1 together; when the end plate 301 needs to be removed, the ring 307 is pulled to one side of the end plate 301, so that the multiple plug blocks 302 enter the multiple slots 309 respectively, and the multiple locking pins 305 are compressed into the spring groove 303 again, until the ring 307 is completely fitted with the outer wall of the base 1, and the end plate 301 can be separated from the base 1.

[0029] In another embodiment of the present invention, please refer to Figures 2 to 7The inner wall of the end plate 301 is provided with a bearing 4, and the outer ring of the bearing 4 is fastened to the inner wall of the end plate 301 by a plurality of bolts. The inner wall of the bearing 4 is interference fitted with a rotating shaft 5. The interference fit means that the diameter of the rotating shaft 5 is slightly larger than the inner diameter of the inner ring of the bearing 4, so that the rotating shaft 5 is confidentially connected with the inner wall of the inner ring of the bearing 4, so that the rotating shaft 5 drives the inner ring of the bearing 4 to rotate in the outer ring. The outer wall of the rotating shaft 5 is provided with a keyway 6, and the number of keyways 6 is multiple. The multiple keyways 6 are all equipped with locking keys 7. The locking keys 7 lock the outer wall of the rotating shaft 5 with the rotor 9. When the rotating shaft 5 rotates, the rotor 9 is driven to rotate. The inner wall of the base 1 is fixedly connected with a stator 8, and a plurality of winding coils are installed inside the stator 8. The stator 8 is equipped with a rotor 9, and a plurality of permanent magnets are installed inside the rotor 9. When power is turned on, current enters the plurality of winding coils inside the stator 8, so that the permanent magnets inside the rotor 9 rotate under the action of the magnetic field, thereby driving the rotor 9 and the rotating shaft 5 to rotate, and converting electrical energy into mechanical energy.

[0030] In another embodiment of the present invention, please refer to Figure 5 The inner wall of the inner circle of the rotor 9 is provided with a slide groove 10, and there are multiple slide grooves 10, and the multiple slide grooves 10 correspond to the multiple key grooves 6 respectively, and the multiple locking keys 7 are respectively located inside the multiple slide grooves 10 and the multiple key grooves 6, so that the rotating shaft 5 and the rotor 9 rotate together.

[0031] In another embodiment of the present invention, please refer to Figure 2 A section of the rotating shaft 5 located inside the base 1 is movably connected to the inner wall of the heat dissipation cover 201, and a section of the outer wall of the rotating shaft 5 located inside the base 1 is fixedly connected with fan blades 11, and the number of fan blades 11 is multiple. When the rotating shaft 5 rotates, it drives the multiple fan blades 11 to rotate to discharge the heat inside the utility model, and the outer wall of the base 1 is fixedly connected with a junction box 12.

[0032] Working principle: When the utility model is not in use, the dustproof plate 203 corresponds to the multiple heat dissipation slots inside the heat dissipation cover 201, so that the interior of the utility model is in a closed state to prevent dust from entering the interior of the utility model. The junction box 12 is connected to the power supply, and the current enters the winding coil in the stator 8, so that the permanent magnet inside the rotor 9 generates a magnetic field. The rotor 9 and the multiple permanent magnets rotate under the influence of the magnetic field. At the same time, the shaft 5 rotates with the rotation of the rotor 9, converting electrical energy into mechanical energy. When the shaft 5 rotates, it drives the multiple fan blades 11 to rotate together to discharge the heat inside the utility model; when it is necessary to check the internal stator 8 and the rotor When the tool is moved, the ring 307 is pulled toward one side of the end plate 301, and the multiple plug blocks 302 on the outer wall of the end plate 301 respectively enter into the multiple slots 309 opened inside the ring 307. During the movement of the ring 307, the multiple locking pins 305 are compressed into the spring grooves 303, and then the end plate 301 together with the multiple plug blocks 302 are separated from the base 1. After the inspection is completed, the end plate 301 is installed back, and the multiple plug blocks 302 are returned to their positions. The multiple locking pins 305 are first compressed into the multiple spring grooves 303, and then due to the rebound of the springs 304, the multiple locking pins 305 are returned to their positions, and the end plate 301 is locked and connected to the right side of the base 1.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A permanent magnet direct drive integrated machine, comprising a machine base (1), characterized in that: A dustproof mechanism (2) is arranged inside the machine base (1), and the dustproof mechanism (2) comprises a heat dissipation cover (201). The right side of the heat dissipation cover (201) is fastened to the left side of the machine base (1) by bolts. A rotation groove (202) is arranged inside the heat dissipation cover (201). The inner wall of the rotation groove (202) is movably connected with a dustproof plate (203). The other side of the dustproof plate (203) is fixedly connected with a turning handle (204). The turning handle (204) is located outside the heat dissipation cover (201). An end plate mechanism (3) is arranged on the right side of the machine base (1). The end plate mechanism (3) comprises an end plate (301). The outer wall of the end plate (301) is fixedly connected with an insert block (302). There are a plurality of insert blocks (302). The outer walls of the plurality of insert blocks (302) are provided with spring grooves (304). 3), and there are two spring grooves (303), the inner walls of the two spring grooves (303) are fixedly connected with springs (304), and there are two springs (304), the other ends of the two springs (304) are fixedly connected with locking pins (305), and the surface of the locking pin (305) located outside the spring groove (303) is an inclined surface, the outer wall of the machine base (1) is provided with a limiting groove (306), and the number of the limiting grooves (306) is multiple, the outside of the machine base (1) is provided with a circular ring (307), the outer wall of the circular ring (307) is fixedly connected with a limiting block (308), and the number of the limiting blocks (308) is multiple, and the multiple limiting blocks (308) are respectively located inside the multiple limiting grooves (306), and the outer wall of the circular ring (307) is provided with a slot (309).

2. The permanent magnet direct drive integrated machine according to claim 1, characterized in that: A bearing (4) is provided on the inner wall of the end plate (301); an outer ring of the bearing (4) is fastened to the inner wall of the end plate (301) by a plurality of bolts; and a rotating shaft (5) is interference fitted on the inner wall of the bearing (4).

3. The permanent magnet direct drive integrated machine according to claim 2, characterized in that: The outer wall of the rotating shaft (5) is provided with a key slot (6), and there are a plurality of key slots (6), and locking keys (7) are installed inside the plurality of key slots (6).

4. The permanent magnet direct drive integrated machine according to claim 3, characterized in that: The inner wall of the machine base (1) is fixedly connected with a stator (8), a plurality of winding coils are installed inside the stator (8), a rotor (9) is arranged inside the stator (8), and a plurality of permanent magnets are installed inside the rotor (9).

5. The permanent magnet direct drive integrated machine according to claim 4, characterized in that: The inner wall of the inner circle of the rotor (9) is provided with a slide groove (10), and there are multiple slide grooves (10). The multiple slide grooves (10) respectively correspond to the multiple key grooves (6), and the multiple locking keys (7) are respectively located inside the multiple slide grooves (10) and the multiple key grooves (6).

6. The permanent magnet direct drive integrated machine according to claim 2, characterized in that: A section of the rotating shaft (5) located inside the machine base (1) is movably connected to the inner wall of the heat dissipation cover (201), a section of the outer wall of the rotating shaft (5) located inside the machine base (1) is fixedly connected to a fan blade (11), and the number of the fan blades (11) is multiple, and the outer wall of the machine base (1) is fixedly connected to a junction box (12).

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