Mining flame-proof permanent magnet synchronous disc type motor

Abstract

The invention relates to the technical field of motors, in particular to a mining flame-proof permanent magnet synchronous disc type motor which comprises a motor body, a disc type machine base is arranged on the surface of the motor body, a stator assembly is fixedly connected to the disc type machine base, and a rotor assembly is borne on the surface of the disc type machine base. The rotor assembly comprises magnetic steel and a motor mandrel, and the bottom of the motor body is provided with an adjusting mechanism. When the installation area of the motor body settles, the transverse horizontal angle, the longitudinal horizontal angle and the horizontal height of the motor body can be adjusted through the adjusting mechanism, the original use environment of the motor body is restored, the motor body does not need to be installed again in a complex environment, and the installation efficiency is improved. Therefore, the reliability and the maintenance efficiency of the disc type motor are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric motors, in particular to a flameproof permanent magnet synchronous disc motor for mining. Background Art

[0002] Mining flameproof permanent magnet synchronous disc motor is a special motor designed for underground coal mines or other environments with explosive gases (such as gas) and dust (such as coal dust). In order to meet the needs of special environments such as coal mines, this type of motor is usually designed to be relatively large in order to provide sufficient power and torque.

[0003] Mining flameproof permanent magnet synchronous disc motors are usually fixedly installed on underground mechanical equipment or at specific locations within the mine to drive key equipment such as ventilation, drainage, and transportation. Due to their relatively complex operating environment, they are affected by underground moisture, water, temperature changes, and movement of surrounding rocks. The foundation structure may sink, which may cause slight changes in the height and angle of the motor, thereby affecting the operating efficiency and stability of the motor. Since the existing disc motors are not relatively fixed in position after installation, after sinking, the installation position of the disc motor needs to be adjusted to ensure that the motor can operate continuously and safely, which greatly reduces the reliability and maintenance efficiency of the disc motor. Therefore, it is urgent to design a mining flameproof permanent magnet synchronous disc motor to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a flameproof permanent magnet synchronous disc motor for mining, so as to solve the problem raised in the above background technology that since the existing disc motor is not relatively fixed in position after installation, it is necessary to adjust the installation position of the disc motor after settlement to ensure that the motor can operate continuously and safely, which greatly reduces the reliability and maintenance efficiency of the disc motor.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mining explosion-proof permanent magnet synchronous disc motor: comprising a motor body, a disc-type machine base is provided on the surface of the motor body, a stator assembly is fixedly connected to the disc-type machine base, a rotor assembly is carried on the surface of the disc-type machine base, the rotor assembly comprises a magnetic steel and a motor core shaft, a flat key is provided between the rotor assembly and the motor core shaft, and the rotor assembly and the motor core shaft are connected by a flat key, a right end cover and a left end cover are respectively provided on both sides of the disc-type machine base, a bearing body is provided on the left end cover and the right end cover to support the rotor assembly, a bearing through cover is installed on the bearing cavity of the left end cover, and a bearing through cover is installed on the bearing cavity of the right end cover. A bearing cover is provided, a skeleton oil seal is provided at the shaft end of the bearing body, a junction box assembly is provided on the motor body, the junction box assembly includes a junction box seat, a junction box cover, a flameproof terminal and a lead device, a rubber solid round bar is filled between the junction box cover and the junction box seat, bolts and flat washers are provided on the junction box cover, the right end cover and the left end cover are provided with a hexagonal cylindrical head and a spring washer, a round nut and a stop washer are provided on the bearing body, a joint is provided on the surface of the left end cover, a flameproof terminal is provided on the surface of the junction box seat, and the flameproof terminal is connected to the external circuit and the flameproof terminal, and an adjustment mechanism is provided at the bottom of the motor body.

[0006] Preferably, the disc-type machine base is fixedly connected to the left end cover and the right end cover via a hexagonal cylindrical head, and the stator assembly and the rotor assembly realize power transmission via a flat key.

[0007] Preferably, a bearing body is provided in the left end cover and the right end cover, the bearing body is fixed by a spring washer and a round nut, and is used in conjunction with a bearing cover and a bearing cover, and the bearing cover fits tightly with the skeleton oil seal.

[0008] Preferably, the junction box seat of the junction box assembly is fixed to the surface of the disc-type machine base by bolts and flat washers, and the junction box cover and the junction box seat are sealed by a solid rubber round strip, and the flameproof terminal is connected to the external circuit through a lead device.

[0009] Preferably, the junction box seat of the junction box assembly is connected to the junction box cover by explosion-proof threads, a flat washer is embedded in the junction box cover for evenly distributing pressure, and the round nut is used in conjunction with the stop washer, the motor core shaft extends to the axial end of the bearing body, and the magnetic steel is embedded in the surface of the motor core shaft.

[0010] Preferably, the adjusting mechanism includes a base plate, which is arranged at the bottom of the motor body, a support rod fixedly connected to the surface of the base plate, an adjusting plate rotatably connected to the surface of the support rod, an adjusting cylinder rotatably connected to the surface of the base plate, the piston end of the spring washer is rotatably connected to the bottom of the adjusting plate, the surface of the adjusting plate is fixedly connected to the support frame, the surface of the support frame is rotatably connected to the rotating rod, the surface of the rotating rod is fixedly connected to the guide base frame, the surface of the adjusting plate is rotatably connected to the ball screw, the surface of the ball screw is threadedly connected to a first square nut, one end of the ball screw is fixedly connected to a first hexagonal knob, the surface of the first square nut is rotatably connected to The worm gear of the first adjusting rod is fixedly mounted on the support frame, and the worm gear of the second adjusting rod is fixedly mounted on the support frame. The worm gear of the second adjusting rod is fixedly mounted on the support frame. The worm gear of the second adjusting rod is fixedly mounted on the support frame.

[0011] Preferably, a mounting mechanism is provided on the surface of the base plate, and the mounting mechanism includes a second bidirectional screw rod, which is rotatably connected to the surface of the base plate, a third shaped nut is threadedly connected to the surface of the second bidirectional screw rod, one end of the second bidirectional screw rod is fixedly connected to a third hexagonal knob, a third adjusting rod is rotatably connected to the surface of the third shaped nut, a guide plate is slidably connected to the surface of the base plate, the end of the lifting rod away from the third shaped nut is rotatably connected to the surface of the guide plate, and a mounting plate is fixedly connected to the surface of the guide plate.

[0012] Preferably, the adjusting cylinder drives the adjusting plate to rotate longitudinally on the surface of the support rod through the piston rod, the support frame is overall in a "U" shape, the rotating rod is in a cross shape, the guide base frame rotates laterally on the surface of the support frame through the rotating rod, and the ball screw drives the first square nut to slide on the surface of the adjusting plate through rotation, and the first square nut pushes the guide base frame to rotate during the sliding process.

[0013] Preferably, a guide groove is provided on the surface of the guide base, the lifting rod slides and rises and falls on the guide groove of the guide base, the first bidirectional screw drives the second square nut to slide on the guide groove of the guide base by rotation, two groups of second square nuts are provided, and the sliding directions of the two groups of second square nuts are opposite, and the second square nut drives the lifting rod to slide and rise and fall on the guide groove of the guide base through the second adjusting rod during the sliding process, the worm wheel and the double-headed worm are engaged with each other, and the double-headed worm is engaged with the two groups of worm wheels at the same time, and the double-headed worm drives the two groups of first bidirectional screws to rotate synchronously through the worm wheel, and the rotation directions are the same.

[0014] Preferably, a guide hole is provided on the surface of the base plate, the guide plate slides on the guide hole of the base plate, the mounting plate slides on the surface of the base plate through the guide plate, a waist hole is provided on the surface of the mounting plate, the second bidirectional screw drives the third-party nut to slide on the guide hole of the base plate by rotation, the third-party nut is provided in two groups, and the sliding directions of the two groups of third-party nut are opposite, and the third-party nut pushes the guide plate to slide on the guide groove of the base plate through the third hexagonal knob during the sliding process.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. When the installation area of ​​the motor body sinks, the piston rod of the adjusting cylinder can be used to drive the adjusting plate to rotate on the support rod, thereby changing the longitudinal inclination angle of the motor body. The first hexagonal knob is then driven to rotate by a wrench, and the first hexagonal knob drives the ball screw to rotate, thereby driving the first square nut to move on the surface of the adjusting plate. During the movement, the first square nut drives the guide base to rotate on the support frame through the first adjusting rod, thereby changing the lateral horizontal angle of the motor body. Finally, the second hexagonal knob is driven to rotate by a wrench, and the second hexagonal knob drives the double-headed worm to rotate. The double-headed worm drives two sets of first bidirectional screws to rotate through the worm gear. The first bidirectional screw drives the second square nut to slide on the guide groove of the guide base through rotation. During the sliding process, the second square nut drives the lifting rod to rise and fall through the second adjusting rod, thereby changing the horizontal height of the motor body, thereby restoring the original use environment of the motor body. There is no need to reinstall the motor body in a complex environment, thereby greatly improving the reliability and maintenance efficiency of the disc motor.

[0016] 2. The motor drives the second bidirectional screw to rotate through a wrench, and the second bidirectional screw drives two sets of third-party shaped nuts to slide on the guide holes of the base plate through rotation. During the sliding process, the third-party shaped nuts drive the guide plates to slide on the guide holes of the base plate through the third adjusting rod. The guide plates change the positions of the mounting plates on both sides of the base plate through sliding, thereby changing the positions of the waist holes on the mounting plates, and thus the motor body can be installed in an installation environment where the width is not determined, thereby improving the adaptability of the motor body installation.

[0017] 3. This motor achieves efficient electromagnetic conversion by embedding magnets on the surface of the motor core shaft and combining them with permanent magnet synchronous technology. The magnets are made of high-magnetic-energy-product neodymium iron boron material and are tightly connected to the rotor assembly via a flat key, ensuring synchronous rotation of the rotor and motor core shaft and reducing mechanical friction loss. The disc coil structure of the stator assembly optimizes the magnetic field distribution, reduces copper and iron losses, and the combined sealing design of the bearing body and skeleton oil seal reduces energy leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram showing the internal structure of the motor body of the present invention; Figure 2 It is a schematic front perspective view of the structure of the present invention; Figure 3 It is a schematic front perspective view of the structure of the present invention; Figure 4 It is a front perspective schematic diagram of the adjustment mechanism of the present invention; Figure 5 For the present invention Figure 3 Schematic diagram of the enlarged structure at A in the middle; Figure 6 This is a rear perspective view of the guide chassis structure of the present invention; Figure 7 It is a perspective schematic diagram of a guide chassis structure of the present invention, viewed from the back and upward; Figure 8 This is a front view sectional perspective diagram of the bottom plate structure of the present invention Figure 9 For the present invention Figure 7 Schematic diagram of the enlarged structure at point B in the middle.

[0019] In the figure: 1. Right end cover; 2. Hexagon socket head; 3. Spring washer; 4. Bearing body; 5. Bearing cover; 6. Stator assembly; 7. Disc base; 8. Flameproof terminal; 9. Terminal box base; 10. Lead device; 11. Bolt; 12. Flat washer; 13. Terminal box cover; 14. Rubber solid round bar; 15. Flameproof terminal; 16. Magnet; 17. Connector; 18. Left end cover; 19. Rotor assembly; 20. Motor core shaft; 21. Bearing cover; 22. Skeleton oil seal; 23. Flat key; 24. Round nut; 25. Lock washer; 26. Motor body ;27. Base plate;28. Support rod;29. Adjustment plate;30. Adjustment cylinder;31. Support frame;32. Rotating rod;33. Guide base frame;34. Ball screw;35. First square nut;36. First hexagonal knob;37. First adjusting rod;38. Lifting rod;39. First bidirectional screw;40. Second square nut;41. Second adjusting rod;42. Worm gear;43. Double-headed worm;44. Second hexagonal knob;45. Second bidirectional screw;46. Third square nut;47. Third hexagonal knob;48. Third adjusting rod;49. Guide plate;50. Mounting plate. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-9 , an embodiment provided by the present invention: Mining explosion-proof permanent magnet synchronous disc motor: includes a motor body 26, a disc base 7 is provided on the surface of the motor body 26, the disc base 7 is fixedly connected to the stator assembly 6, the surface of the disc base 7 carries a rotor assembly 19, the rotor assembly 19 includes a magnetic steel 16 and a motor core shaft 20, a flat key 23 is provided between the rotor assembly 19 and the motor core shaft 20, and the rotor assembly 19 and the motor core shaft 20 are connected by the flat key 23, and the right side of the disc base 7 are respectively provided with a right end cover 1 and a left end cover 18, and the left end cover 18 and the right end cover 1 are provided with a bearing body 4 to support the rotor assembly 19, a bearing transparent cover 21 is installed on the bearing cavity of the left end cover 18, and a bearing cover 5 is installed on the bearing cavity of the right end cover 1, and a skeleton oil seal 22 is provided on the shaft end of the bearing body 4, and a junction box assembly is provided on the motor body 26, and the junction box assembly includes a junction box seat 9 and a junction box cover 13. Flameproof terminal 15 and lead device 10. The junction box cover 13 and the junction box seat 9 are filled with rubber solid round strip 14. Bolts 11 and flat washers 12 are provided on the junction box cover 13. Hexagonal cylindrical heads 2 and spring washers 3 are provided on the right end cover 1 and the left end cover 18. Round nuts 24 and stop washers 25 are provided on the bearing body 4. A joint 17 is provided on the surface of the left end cover 18. Flameproof terminal 8 is provided on the surface of the junction box seat 9, and the flameproof terminal 8 connects the external circuit with the flameproof terminal 15. An adjustment mechanism is provided at the bottom of the motor body 26. After the height and angle of the motor body 26 are offset, the height and angle of the motor body 26 can be directly adjusted accordingly. There is no need to reinstall the motor body 26 in a complex environment, thereby greatly improving the reliability and maintenance efficiency of the disc motor.

[0022] Furthermore, the disc base 7 is fixedly connected to the left end cover 18 and the right end cover 1 through the hexagon socket head screw 2. The hexagon socket head screw 2 is made of high-strength alloy steel and the surface is carburized and quenched to enhance fatigue resistance; the left end cover 18 and the right end cover 1 are matched with the hexagon socket head screw 2 through the spring washer 3 to prevent the screws from loosening. The stator assembly 6 and the rotor assembly 19 realize power transmission through the flat key 23. The flat key 23 is made of high-quality carbon steel such as 45 steel and the surface is high-frequency quenching to ensure its wear resistance and shear strength; the two side surfaces of the flat key 23 are tightly matched with the keyways of the stator assembly 6 and the rotor assembly 19 to ensure the smoothness of power transmission.

[0023] Furthermore, a bearing body 4 is provided in the left end cover 18 and the right end cover 1. The bearing body 4 is a deep groove ball bearing or an angular contact bearing, and its outer ring is interference fit with the bearing cavity of the left end cover 18 and the right end cover 1 to ensure rotational stability; the bearing body 4 is fixed by a spring washer 3 and a round nut 24. The spring washer 3 is made of stainless steel and has excellent corrosion resistance. The round nut 24 is connected to the bearing body 4 through a stop washer 25 to prevent the thread from loosening. The bearing body 4 is used in conjunction with the bearing cover 21 and the bearing cover 5. The bearing cover 21 is a metal sealing cover with an O-ring on its inner side to prevent dust and grease leakage; the bearing cover 5 is a closed structure with a heat dissipation groove on its surface to enhance the heat dissipation performance of the bearing body 4. The bearing cover 21 is tightly fitted with the skeleton oil seal 22. The skeleton oil seal 22 is made of fluororubber, and its lip structure is in close contact with the shaft end of the bearing body 4 to prevent grease leakage and external contaminants from entering.

[0024] Furthermore, the junction box seat 9 is fixed to the surface of the disc machine base 7 by bolts 11 and flat washers 12. The bolts 11 are made of stainless steel and the surface is electroplated to enhance corrosion resistance; the flat washers 12 are spring washers, and their elastic force can effectively compensate for the pre-tightening force loss of the bolts 11. The junction box cover 13 is sealed with the junction box seat 9 by a solid rubber round bar 14. The solid rubber round bar 14 is made of nitrile rubber or silicone rubber, with a rectangular cross-section and a thickness of 3-5mm to ensure sealing performance; the junction box cover 13 is embedded with a flat washer 12 to evenly distribute pressure and prevent sealing failure. The explosion-proof terminal 15 is connected to the external circuit through a lead-in device 10. The lead-in device 10 includes a cable inlet and a sealing sleeve. Its outer surface is provided with an explosion-proof thread, which cooperates with the explosion-proof thread of the junction box seat 9 to ensure explosion-proof performance; an explosion-proof gap is provided in the wiring hole of the explosion-proof terminal 15.

[0025] Furthermore, the round nut 24 is used in conjunction with the stop washer 25. The stop washer 25 is a toothed washer with a serrated structure on its outer edge, which engages with the threaded surface of the round nut 24 to prevent loosening. The round nut 24 is manually tightened with an Allen wrench to ensure the axial positioning of the bearing body 4. The motor core shaft 20 extends to the axial end of the bearing body 4. An unnumbered keyway is provided on its surface to cooperate with the flat key 23 to achieve power transmission. The journal portion of the motor core shaft 20 is surface nitrided to improve wear resistance and hardness. The magnet 16 is embedded in the surface of the motor core shaft 20. The installation method is epoxy resin bonding or mechanical pressing. The magnet 16 uses neodymium iron boron permanent magnet material and the surface is covered with a coating.

[0026] Furthermore, the adjusting mechanism includes a base plate 27, which is arranged at the bottom of the motor body 26, and a support rod 28 is fixedly connected to the surface of the base plate 27, and an adjusting plate 29 is rotatably connected to the surface of the support rod 28, and an adjusting cylinder 30 is rotatably connected to the surface of the base plate 27, and the piston end of the spring washer 3 is rotatably connected to the bottom of the adjusting plate 29, and the surface of the adjusting plate 29 is fixedly connected to the support frame 31, and a rotating rod 32 is rotatably connected to the surface of the support frame 31, and a guide base frame 33 is fixedly connected to the surface of the rotating rod 32, and a ball screw 34 is rotatably connected to the surface of the adjusting plate 29, and a first square nut 35 is threadedly connected to the surface of the ball screw 34, and one end of the ball screw 34 is fixedly connected to the first hexagonal knob 36, and a first adjusting rod 37 is rotatably connected to the surface of the first square nut 35, and the end of the first adjusting rod 37 away from the first square nut 35 is rotatably connected to the guide base frame Towards the bottom of the base frame 33, a lifting rod 38 is slidably connected to the surface of the guide base frame 33, and a first bidirectional screw rod 39 is rotatably connected to the surface of the guide base frame 33, and a second square nut 40 is threadedly connected to the surface of the first bidirectional screw rod 39, and a second adjusting rod 41 is rotatably connected to the surface of the second square nut 40, and the end of the second adjusting rod 41 away from the second square nut 40 is rotatably connected to the bottom of the lifting rod 38, and one end of the first bidirectional screw rod 39 is fixedly connected to the bottom of the lifting rod 38, and a worm gear 42 is fixedly connected to the surface of the first bidirectional screw rod 39, and a double-headed worm gear 43 is rotatably connected to the surface of the guide base frame 33, and a second hexagonal knob 44 is fixedly connected to the surface of the double-headed worm gear 43. The bottom of the motor body 26 is fixedly connected to the surface of the guide base frame 33, and its adjustment structure adjusts the height, horizontal angle and longitudinal angle of the motor body 26 to ensure that the motor body 26 can be used stably after the adjustment is completed.

[0027] Furthermore, a mounting mechanism is provided on the surface of the base plate 27, and the mounting mechanism includes a second bidirectional screw rod 45, which is rotatably connected to the surface of the base plate 27, and a third shaped nut 46 is threadedly connected to the surface of the second bidirectional screw rod 45, and one end of the second bidirectional screw rod 45 is fixedly connected to a third hexagonal knob 47, and a third adjusting rod 48 is rotatably connected to the surface of the third shaped nut 46, and a guide plate 49 is slidably connected to the surface of the base plate 27, and one end of the lifting rod 38 away from the third shaped nut 46 is rotatably connected to the surface of the guide plate 49, and a mounting plate 50 is fixedly connected to the surface of the guide plate 49. The mounting mechanism can adjust to different installation widths, thereby greatly improving the adaptability of the motor body 26.

[0028] Furthermore, the adjusting cylinder 30 drives the adjusting plate 29 to rotate longitudinally on the surface of the support rod 28 through the piston rod. The support frame 31 is in a "U" shape as a whole, and the rotating rod 32 is in a cross shape. The guide base 33 rotates horizontally on the surface of the support frame 31 through the rotating rod 32. The ball screw 34 drives the first square nut 35 to slide on the surface of the adjusting plate 29 by rotation. The first square nut 35 pushes the guide base 33 to rotate during the sliding process. The ball screw 34 is driven to rotate by the first hexagonal knob 36, and the first hexagonal knob 36 is driven by a wrench. The ball screw 34 remains stable under the action of friction after the rotation is completed, and the position of the first square nut 35 on the surface of the adjustment plate 29 is self-locked after the ball screw 34 rotates, thereby ensuring the stability of the guide base 33 after the angle adjustment is completed. There are two groups of support rods 28 and they are located on one side of the base plate 27. There are two groups of adjusting cylinders 30 and they are located on the other side of the base plate 27. The two groups of adjusting cylinders 30 are controlled by the same control system, and the longitudinal inclination angle of the adjustment plate 29 can be fine-tuned by the piston rod, thereby adjusting the angle of the motor body 26.

[0029] Furthermore, a guide groove is provided on the surface of the guide base 33, and the lifting rod 38 slides and rises on the guide groove of the guide base 33. The first bidirectional screw 39 drives the second square nut 40 to slide on the guide groove of the guide base 33 by rotating. The second square nut 40 is provided with two groups, and the sliding directions of the two groups of second square nuts 40 are opposite. During the sliding process, the second square nut 40 drives the lifting rod 38 to slide and rise on the guide groove of the guide base 33 through the second adjusting rod 41. The worm gear 42 and the double-headed worm 43 They mesh with each other, and the double-headed worm 43 meshes with the two sets of worm wheels 42 at the same time. The double-headed worm 43 drives the two sets of first bidirectional screws 39 to rotate synchronously through the worm wheels 42, and the rotation directions are the same. The double-headed worm 43 is driven to rotate by the second hexagonal knob 44, and the second hexagonal knob 44 is operated and rotated by a wrench. The rotation angle and speed of the two sets of first bidirectional screws 39 are kept consistent, thereby ensuring the stable lifting of the lifting rod 38 on the guide groove of the guide base 33, thereby realizing the horizontal height adjustment of the motor body 26.

[0030] Furthermore, a guide hole is opened on the surface of the bottom plate 27, and the guide plate 49 slides on the guide hole of the bottom plate 27, and the mounting plate 50 slides on the surface of the bottom plate 27 through the guide plate 49. A waist hole is opened on the surface of the mounting plate 50, and the second bidirectional screw rod 45 drives the third shaped nut 46 to slide on the guide hole of the bottom plate 27 by rotation. There are two groups of third shaped nuts 46, and the sliding directions of the two groups of third shaped nuts 46 are opposite. During the sliding process, the third shaped nut 46 pushes the guide plate 49 to slide on the guide groove of the bottom plate 27 through the third hexagonal knob 47. The third hexagonal knob 47 drives the second bidirectional screw rod 45 to rotate on one side of the bottom plate 27. The third hexagonal knob 47 is rotated by a wrench. During the movement, the guide plate 49 changes the position of the mounting plate 50 on both sides of the bottom plate 27, thereby changing the position of the waist hole on the mounting plate 50, so that the motor body 26 can be installed in an installation environment where the width is not passed, thereby improving the adaptability of the installation of the motor body 26.

[0031] Working principle: When the installation area of ​​the motor body 26 sinks, the piston rod of the adjusting cylinder 30 can be used to drive the adjusting plate 29 to rotate on the support rod 28, thereby changing the longitudinal inclination angle of the motor body 26, and then the first hexagonal knob 36 is driven to rotate by the wrench, and the first hexagonal knob 36 drives the ball screw 34 to rotate, thereby driving the first square nut 35 to move on the surface of the adjusting plate 29. During the movement, the first square nut 35 drives the guide base 33 to rotate on the support frame 31 through the first adjusting rod 37, thereby changing the horizontal angle of the motor body 26, and finally the second hexagonal knob 36 is driven by the wrench. The hexagonal knob 44 rotates, and the second hexagonal knob 44 drives the double-headed worm 43 to rotate. The double-headed worm 43 drives the two sets of first bidirectional screws 39 to rotate through the worm gear 42. The first bidirectional screw 39 drives the second square nut 40 to slide on the guide groove of the guide base 33 through rotation. During the sliding process, the second square nut 40 drives the lifting rod 38 to rise and fall through the second adjusting rod 41, thereby changing the horizontal height of the motor body 26, thereby restoring the original use environment of the motor body 26, and there is no need to reinstall the motor body 26 in a complex environment, thereby greatly improving the reliability and maintenance efficiency of the disc motor.

[0032] The second bidirectional screw rod 45 is driven to rotate by a wrench, and the second bidirectional screw rod 45 drives two sets of third-party shaped nuts 46 to slide on the guide holes of the base plate 27 through rotation. During the sliding process, the third-party shaped nut 46 drives the guide plate 49 to slide on the guide hole of the base plate 27 through the third adjusting rod 48. The guide plate 49 changes the position of the mounting plate 50 on both sides of the base plate 27 by sliding, thereby changing the position of the waist hole on the mounting plate 50, and then the motor body 26 can be installed in an installation environment where the width is not passed, thereby improving the adaptability of the installation of the motor body 26.

[0033] The rotor assembly 19 is connected to the motor core shaft 20 through a flat key 23. The motor core shaft 20 is installed in the left end cover 18 and the right end cover 1 through the bearing body 4. The bearing body 4 is fixed by a spring washer 3 and a round nut 24. The bearing cover 21 and the bearing cover 5 prevent foreign matter from entering, and the skeleton oil seal 22 blocks grease leakage; the terminal box assembly includes a terminal box seat 9, a terminal box cover 13, a flameproof terminal 15 and a lead device 10, which are sealed by a solid rubber round bar 14. The flameproof terminal 8 and the connector 17 are connected to the external circuit. The hexagon socket head screw 2 and the bolt 11 fix the disc base 7 and the end cover. The flat washer 12 evenly distributes the pressure. The stop washer 25 prevents the round nut 24 from loosening. The magnetic steel 16 is embedded in the surface of the motor core shaft 20 to achieve efficient electromagnetic conversion.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. The flameproof permanent magnet synchronous disc motor for mining is characterized by: The motor body (26) comprises a motor body (26), a disc-type base (7) is provided on the surface of the motor body (26), the disc-type base (7) is fixedly connected to the stator assembly (6), a rotor assembly (19) is carried on the surface of the disc-type base (7), the rotor assembly (19) comprises a magnetic steel (16) and a motor core shaft (20), a flat key (23) is provided between the rotor assembly (19) and the motor core shaft (20), and the rotor assembly (19) and the motor core shaft (20) are connected via the flat key (23), a right end cover (1) and a left end cover (18) are provided on both sides of the disc-type base (7), a bearing body (4) is provided on the left end cover (18) and the right end cover (1) to support the rotor assembly (19), a bearing cover (21) is installed on the bearing cavity of the left end cover (18), a bearing cover (5) is installed on the bearing cavity of the right end cover (1), and the shaft of the bearing body (4) is provided with a bearing cover (21) and a bearing cover (5) is installed on the bearing cavity of the right end cover (1). A skeleton oil seal (22) is provided at the end, a junction box assembly is provided on the motor body (26), the junction box assembly includes a junction box seat (9), a junction box cover (13), a flameproof terminal (15) and a lead device (10), a rubber solid round bar (14) is filled between the junction box cover (13) and the junction box seat (9), a bolt (11) and a flat washer (12) are provided on the junction box cover (13), a hexagonal cylindrical head (2) and a spring washer (3) are provided on the right end cover (1) and the left end cover (18), a round nut (24) and a stop washer (25) are provided on the bearing body (4), a joint (17) is provided on the surface of the left end cover (18), a flameproof terminal (8) is provided on the surface of the junction box seat (9), and the flameproof terminal (8) is connected to the external circuit and the flameproof terminal (15), and an adjustment mechanism is provided at the bottom of the motor body (26).

2. The flameproof permanent magnet synchronous disc motor for mining according to claim 1, characterized in that: The disc-type machine base (7) is fixedly connected to the left end cover (18) and the right end cover (1) via the hexagonal cylindrical head (2), and the stator assembly (6) and the rotor assembly (19) realize power transmission via the flat key (23).

3. The flameproof permanent magnet synchronous disc motor for mining according to claim 1, characterized in that: A bearing body (4) is provided in the left end cover (18) and the right end cover (1). The bearing body (4) is fixed by a spring washer (3) and a round nut (24) and is used in conjunction with a bearing cover (21) and a bearing cover (5). The bearing cover (21) is tightly fitted with a skeleton oil seal (22).

4. The flameproof permanent magnet synchronous disc motor for mining according to claim 3, characterized in that: The junction box seat (9) of the junction box assembly is fixed to the surface of the disc-type machine base (7) by means of bolts (11) and flat washers (12), and the junction box cover (13) and the junction box seat (9) are sealed and connected by means of a rubber solid round strip (14), and the flameproof terminal (15) is connected to an external circuit by means of a lead device (10).

5. The flameproof permanent magnet synchronous disc motor for mining according to claim 4, characterized in that: The junction box seat (9) of the junction box assembly is connected to the junction box cover (13) through explosion-proof threads, a flat washer (12) is embedded in the junction box cover (13) for evenly distributing pressure, and the round nut (24) is used in conjunction with the stop washer (25), the motor core shaft (20) extends to the axial end of the bearing body (4), and the magnetic steel (16) is embedded in the surface of the motor core shaft (20).

6. The flameproof permanent magnet synchronous disc motor for mining according to claim 1, characterized in that: The adjustment mechanism includes a base plate (27), the base plate (27) is arranged at the bottom of the motor body (26), a support rod (28) is fixedly connected to the surface of the base plate (27), an adjustment plate (29) is rotatably connected to the surface of the support rod (28), an adjustment cylinder (30) is rotatably connected to the surface of the base plate (27), a piston end of the spring washer (3) is rotatably connected to the bottom of the adjustment plate (29), a surface of the adjustment plate (29) is fixedly connected to a support frame (31), a surface of the support frame (31) is rotatably connected to a rotating rod (32), a surface of the rotating rod (32) is fixedly connected to a guide base frame (33), a surface of the adjustment plate (29) is rotatably connected to a ball screw (34), a surface of the ball screw (34) is threadedly connected to a first square nut (35), one end of the ball screw (34) is fixedly connected to a first hexagonal knob (36), and a surface of the first square nut (35) is rotatably connected to a first hexagonal knob (36). A first adjusting rod (37), one end of the first adjusting rod (37) away from the first square nut (35) is rotatably connected to the bottom of the guide base (33), a lifting rod (38) is slidably connected on the surface of the guide base (33), a first bidirectional screw rod (39) is rotatably connected on the surface of the guide base (33), a second square nut (40) is threadedly connected on the surface of the first bidirectional screw rod (39), a second adjusting rod (41) is rotatably connected on the surface of the second square nut (40), one end of the second adjusting rod (41) away from the second square nut (40) is rotatably connected to the bottom of the lifting rod (38), one end of the first bidirectional screw rod (39) is fixedly connected to a worm wheel (42), a double-headed worm (43) is rotatably connected on the surface of the guide base (33), a second hexagonal knob (44) is fixedly connected on the surface of the double-headed worm (43), and the bottom of the motor body (26) is fixedly connected to the surface of the guide base (33).

7. The flameproof permanent magnet synchronous disc motor for mining according to claim 6, characterized in that: A mounting mechanism is provided on the surface of the base plate (27), and the mounting mechanism includes a second bidirectional screw rod (45), the second bidirectional screw rod (45) is rotatably connected to the surface of the base plate (27), a third shaped nut (46) is threadedly connected to the surface of the second bidirectional screw rod (45), one end of the second bidirectional screw rod (45) is fixedly connected to a third hexagonal knob (47), a third adjusting rod (48) is rotatably connected to the surface of the third shaped nut (46), a guide plate (49) is slidably connected to the surface of the base plate (27), an end of the lifting rod (38) away from the third shaped nut (46) is rotatably connected to the surface of the guide plate (49), and a mounting plate (50) is fixedly connected to the surface of the guide plate (49).

8. The flameproof permanent magnet synchronous disc motor for mining according to claim 6, characterized in that: The regulating cylinder (30) drives the regulating plate (29) to rotate longitudinally on the surface of the support rod (28) through the piston rod. The support frame (31) is in a "U" shape as a whole. The rotating rod (32) is in a cross shape. The guide base frame (33) rotates transversely on the surface of the support frame (31) through the rotating rod (32). The ball screw (34) drives the first square nut (35) to slide on the surface of the regulating plate (29) through rotation. The first square nut (35) pushes the guide base frame (33) to rotate during the sliding process.

9. The flameproof permanent magnet synchronous disc motor for mining according to claim 6, characterized in that: A guide groove is provided on the surface of the guide base (33), and the lifting rod (38) slides and rises on the guide groove of the guide base (33). The first bidirectional screw (39) drives the second square nut (40) to slide on the guide groove of the guide base (33) by rotating. The second square nut (40) is provided in two groups, and the sliding directions of the two groups of second square nuts (40) are opposite. During the sliding process, the second square nut (40) drives the lifting rod (38) to slide and rise on the guide groove of the guide base (33) through the second adjusting rod (41). The worm wheel (42) and the double-headed worm (43) are meshed with each other. The double-headed worm (43) is meshed with the two groups of worm wheels (42) at the same time. The double-headed worm (43) drives the two groups of first bidirectional screws (39) to rotate synchronously through the worm wheel (42), and the rotation directions are the same.

10. The flameproof permanent magnet synchronous disc motor for mining according to claim 7, characterized in that: A guide hole is provided on the surface of the base plate (27), the guide plate (49) slides on the guide hole of the base plate (27), the mounting plate (50) slides on the surface of the base plate (27) through the guide plate (49), a waist hole is provided on the surface of the mounting plate (50), the second bidirectional screw (45) drives the third shaped nut (46) to slide on the guide hole of the base plate (27) by rotation, the third shaped nut (46) is provided with two groups, and the sliding directions of the two groups of third shaped nuts (46) are opposite, and the third shaped nut (46) pushes the guide plate (49) to slide on the guide groove of the base plate (27) through the third hexagonal knob (47) during the sliding process.

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