CN117895705B - Permanent magnet synchronous motor for driving underground fan - Google Patents
Permanent magnet synchronous motor for driving underground fan Download PDFInfo
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- CN117895705B CN117895705B CN202410303730.2A CN202410303730A CN117895705B CN 117895705 B CN117895705 B CN 117895705B CN 202410303730 A CN202410303730 A CN 202410303730A CN 117895705 B CN117895705 B CN 117895705B
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- 238000005096 rolling process Methods 0.000 claims description 9
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- 230000008439 repair process Effects 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
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Abstract
The invention relates to the technical field of motors, and discloses a permanent magnet synchronous motor for driving an underground fan, which solves the problem that the safety of underground workers is affected once the rush-repair time exceeds a preset time range, and comprises a motor shell, wherein the motor shell is of a cavity structure with two open ends, two ends of the motor shell are respectively provided with a cover plate, the cover plates and the motor shell are connected through locking fixing pieces, a switching seat is arranged in the motor shell, a switching adjustment assembly matched with the switching seat is arranged in the motor shell, two racks are arranged on one side of the switching seat, the racks are connected with the switching seat through a guide unit, a first motor body is fixedly connected to the racks, a transmission shaft is rotationally connected in the motor shell, and the output end of the first motor body is fixedly connected with a first damping disc; during rush repair or regular inspection, workers can make the underground fan continuously work, the ventilation safety coefficient is increased, and the safety of the workers is improved.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a permanent magnet synchronous motor for driving an underground fan.
Background
The performance parameters of the underground fan mainly comprise flow, pressure, power, efficiency and rotating speed. In addition, the size of noise and vibration is also a main technical index of the underground fan. The flow rate is also called air quantity and is expressed by the volume of air flowing through the underground fan in unit time. The pressure is also called wind pressure, and refers to the pressure rise value of the gas in the underground fan, and the pressure is divided into static pressure, dynamic pressure and full pressure. In order to ensure the safety of underground work, the underground fan must be ensured to work continuously so as to increase the safety factor of ventilation, wherein when a permanent magnet synchronous motor for driving the underground fan fails, the underground fan is stopped, the time for rush repair of a worker determines how long later the underground fan is started, and once the rush repair time exceeds a preset time range, the safety of the underground worker is influenced, so that certain limitation exists.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the permanent magnet synchronous motor for driving the underground fan, which effectively solves the problem that the safety of underground staff is affected once the rush-repair time exceeds the preset time range in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a permanent magnet synchronous motor of drive underground fan, which comprises a motor housing, motor housing is both ends open-ended cavity structure, motor housing's both ends are equipped with the apron respectively, apron and motor housing are connected through the dead mounting of lock, be equipped with in the motor housing and switch the seat, be equipped with in the motor housing with switch seat matched with switch adjustment subassembly, one side of switch the seat is equipped with two frames, frame and switch the seat and pass through the guide unit and connect, fixedly connected with first motor body in the frame, the motor housing internal rotation is connected with the transmission shaft, the output fixedly connected with first damping dish of first motor body, the one end fixedly connected with second damping dish of transmission shaft, the other end of transmission shaft runs through motor housing, it is connected with the connecting axle to rotate on the switch seat, connecting axle and motor housing pass through rolling rotation structure and connect, the outside fixed cover of connecting axle is equipped with first gear, one side of switch the seat is equipped with two first pinion, and two first pinion racks are located the both sides of first gear respectively, first pinion and first gear meshes mutually, one side that two first pinion kept away from is fixedly connected with the connecting plate respectively, fixedly connected with in the frame, fixedly connected with the transmission shaft has the first guide post, first guide post is equipped with first guide post and first guide post, first guide post and first guide post are equipped with the first guide post, first guide post and first guide post is equipped with the first guide chute, first guide post is connected with first according to the inside fixedly to the first guide post, first guide post is connected to the inside the first guide post, and the first guide post is connected inside the first guide post, and the inside is pressed down fixedly is pressed.
Preferably, the switching adjustment assembly comprises a second motor body fixedly mounted in the motor shell, the output end of the second motor body is fixedly connected with a rotating shaft, a thread bush is sleeved outside the rotating shaft, two fixing plates are sleeved at two ends of the thread bush respectively, a bearing is arranged at the joint of the fixing plates and the thread bush, the fixing plates are fixedly connected with the inner wall of the motor shell, a supporting part is arranged between the two fixing plates, the supporting part is fixedly connected with a switching seat, the thread bush penetrates through the supporting part, the thread bush and the supporting part are connected in a threaded manner, a first guide column penetrates through the supporting part, two ends of the first guide column are connected with the two fixing plates respectively, and the thread bush and the rotating shaft are connected through a damping synchronization unit.
Preferably, the damping synchronization unit comprises two third damping discs fixedly sleeved outside the rotating shaft, the fourth damping discs are respectively arranged on one sides of the two third damping discs, which are close to each other, the rotating shaft penetrates through the fourth damping discs, two ends of the threaded sleeve are respectively fixedly connected with the two fourth damping discs, and the fourth damping discs are in contact with the third damping discs.
Preferably, the fixed cover in both ends of pivot is equipped with the cam respectively, and one side of cam is equipped with the fly leaf, fixedly connected with and cam matched with support on the fly leaf, and support and cam contact, run through on the fly leaf has two at least second guide posts, and second guide post and motor housing's inner wall fixed connection, fly leaf and push down the board and pass through the push mechanism and connect.
Preferably, the pushing mechanism comprises first supporting blocks symmetrically arranged on two sides of the fixed column, rectangular holes are respectively formed in inner walls of two sides of the first sliding groove, connecting blocks are arranged in the rectangular holes, two sides of each connecting block are fixedly connected with the first supporting blocks and the pressing plates respectively, first pressing columns are respectively arranged on two sides of each fixed column, inclined faces matched with the first pressing columns are arranged on the first supporting blocks, and the first pressing columns are connected with the movable plates through sliding pressing devices.
Preferably, the sliding presser comprises a side plate fixedly mounted on the movable plate, a second pressing column is arranged on one side of the side plate, a second guide groove is formed in the side plate, a second guide block is arranged in the second guide groove, the second guide block is fixedly connected with the second pressing column, two fixing frames are fixedly connected to the switching seat, the second pressing column penetrates through the fixing frames, a second supporting block is arranged on one side of the fixing frames, inclined faces matched with the second pressing column are arranged on the second supporting block, movable columns are fixedly connected to two sides of the second supporting block respectively, a second sliding groove is formed in the movable columns, one end of the first pressing column is located in the corresponding second sliding groove, and the inner walls of the first pressing column and the second sliding groove are connected through second compression springs.
Preferably, the guide unit comprises a third guide block fixedly installed on the frame, two third guide grooves are formed in the switching seat, and the third guide block is located in the corresponding third guide groove.
Preferably, the locking fixing piece comprises a plurality of mounting plates fixedly mounted in the motor casing, and the mounting plates are connected with the cover plate through a plurality of bolts.
Preferably, a plurality of positioning holes are formed in the cover plate, positioning columns are arranged in the positioning holes, and the positioning columns are fixedly connected with the corresponding mounting plates.
Preferably, the rolling rotation structure comprises a worm wheel fixedly arranged on the connecting shaft, a support frame is fixedly connected to the switching seat, a worm is rotationally connected to the support frame and meshed with the worm wheel, a second gear is fixedly connected to the worm, and a second toothed plate meshed with the second gear is fixedly connected to the motor casing.
Compared with the prior art, the invention has the beneficial effects that:
When the first motor body used for driving the second damping disk and the first damping disk rotate fails or needs to be checked regularly, the switching seat is driven to move in the vertical direction through the switching adjusting component so that the two first motor bodies positioned on the switching seat synchronously move, meanwhile, the connecting shaft is driven to rotate through the rolling rotating structure, the first gear is driven to rotate by the connecting shaft, the first gear drives the two first toothed plates to move in opposite directions, one first toothed plate drives the first motor body and the first damping disk which fail or need to be checked regularly through the connecting plate, the sliding block, the fixed column and the frame to move in the direction away from the second damping disk, the other first motor body and the first damping disk which do not fail or need to be checked regularly move to one side of the second damping disk, and the like, the other first toothed plate drives the first motor body which is not failed or does not need to be checked regularly and the first damping disc to move horizontally so that the first damping disc moves towards the direction close to the second damping disc, after the final switching seat moves to a preset position, the first damping disc positioned on the first motor body which is not failed or does not need to be checked regularly contacts with the second damping disc, the first motor body which is not failed or does not need to be checked regularly can drive the second damping disc to synchronously rotate through the first damping disc, a cover plate close to one side of the first motor body which is failed or needs to be checked regularly is detached from the motor shell through the locking fixing piece by a worker, the worker can detach the first motor body which is failed or needs to be checked regularly, and the worker can continuously work the underground fan in the process of rush repair or periodic check, the safety coefficient of ventilation is increased, and the safety of staff is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the motor housing of the present invention;
FIG. 3 is a schematic diagram of a switching adjustment assembly according to the present invention;
FIG. 4 is a schematic view of the structure of the thread bushing of the present invention;
FIG. 5 is a schematic view of a spindle according to the present invention;
FIG. 6 is a schematic view of a rolling and rotating structure according to the present invention;
FIG. 7 is a schematic diagram of a switch seat according to the present invention;
FIG. 8 is a schematic view of the structure of the frame of the present invention;
FIG. 9 is a schematic view of the structure of the inside of the fixing column of the present invention after being cut;
Fig. 10 is a schematic structural view of the mounting plate of the present invention.
In the figure: 1. a motor housing; 2. a cover plate; 3. a switching seat; 4. a frame; 5. a transmission shaft; 6. a first motor body; 7. a first damping disk; 8. a second damping disk; 9. a connecting shaft; 10. a first gear; 11. a first toothed plate; 12. a connecting plate; 13. fixing the column; 14. a first chute; 15. a slide block; 16. a first guide groove; 17. a first guide block; 18. pressing the plate; 19. a first compression spring; 20. a second motor body; 21. a rotating shaft; 22. a thread sleeve; 23. a support part; 24. a first guide post; 25. a third damping disk; 26. a fourth damping disk; 27. a cam; 28. a movable plate; 29. a bracket; 30. a second guide post; 31. a first support block; 32. a rectangular hole; 33. a connecting block; 34. a second support block; 35. a movable column; 36. a second chute; 37. a first pressing column; 38. a second compression spring; 39. a second pressing column; 40. a fixing frame; 41. a side plate; 42. a second guide groove; 43. a second guide block; 44. a third guide block; 45. a third guide groove; 46. a worm wheel; 47. a worm; 48. a support frame; 49. a second gear; 50. a second toothed plate; 51. a mounting plate; 52. a bolt; 53. positioning holes; 54. positioning columns; 55. and a fixing plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the first embodiment, as shown in fig. 1 to 10, the invention comprises a motor housing 1, the motor housing 1 is of a cavity structure with two open ends, two ends of the motor housing 1 are respectively provided with a cover plate 2, the cover plate 2 and the motor housing 1 are connected through a locking fixing piece, a switching seat 3 is arranged in the motor housing 1, a switching adjustment component matched with the switching seat 3 is arranged in the motor housing 1, one side of the switching seat 3 is provided with two racks 4, the racks 4 and the switching seat 3 are connected through a guiding unit, a first motor body 6 is fixedly connected on the racks 4, a transmission shaft 5 is rotationally connected on the motor housing 1, the output end of the first motor body 6 is fixedly connected with a first damping disc 7, one end of the transmission shaft 5 is fixedly connected with a second damping disc 8, the other end of the transmission shaft 5 penetrates the motor housing 1, a connecting shaft 9 is rotationally connected on the switching seat 3, the connecting shaft 9 is connected with the motor housing 1 through a rolling rotation structure, the external fixing sleeve of the connecting shaft 9 is provided with a first gear 10, one side of the switching seat 3 is provided with two first toothed plates 11, the two first toothed plates 11 are respectively positioned at two sides of the first gear 10, the first toothed plates 11 are meshed with the first gear 10, one side of the two first toothed plates 11, which is far away from each other, is respectively fixedly connected with a connecting plate 12, the frame 4 is fixedly connected with a fixing column 13, the fixing column 13 is provided with a first chute 14, a slide block 15 is arranged in the first chute 14, the slide block 15 is fixedly connected with the connecting plate 12, a pressing plate 18 is arranged in the first chute 14, the pressing plate 18 is connected with one side inner wall of the first chute 14 through a first compression spring 19, the pressing plate 18 is contacted with the slide block 15, a first guide groove 16 is arranged on the inner wall of the first chute 14, a first guide block 17 is arranged in the first guide groove 16, the first guide block 17 is fixedly connected with the slide block 15, during rush repair or regular inspection, workers can make the underground fan continuously work, the ventilation safety coefficient is increased, and the safety of the workers is improved.
Based on the first embodiment, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the switching adjustment assembly comprises a second motor body 20 fixedly installed in the motor housing 1, the output end of the second motor body 20 is fixedly connected with a rotating shaft 21, a threaded sleeve 22 is sleeved outside the rotating shaft 21, two fixing plates 55 are sleeved at two ends of the threaded sleeve 22 respectively, a bearing is arranged at the connection position of the fixing plates 55 and the threaded sleeve 22, the fixing plates 55 are fixedly connected with the inner wall of the motor housing 1, a supporting part 23 is arranged between the two fixing plates 55, the supporting part 23 is fixedly connected with a switching seat 3, the threaded sleeve 22 penetrates through the supporting part 23, the threaded sleeve 22 and the supporting part 23 are connected in a threaded manner, a first guide column 24 penetrates through the supporting part 23, two ends of the first guide column 24 are respectively connected with the two fixing plates 55, the threaded sleeve 22 and the rotating shaft 21 are connected through a damping synchronization unit, the damping synchronization unit comprises two fixing sleeves and is arranged on a third damping disc 25 outside the rotating shaft 21, a fourth damping disc 26 is respectively arranged at one side, which is close to the two third damping discs 25, the fourth damping disc 26 penetrates through the fourth damping disc 26, and the two damping discs 25 are respectively, and the two ends of the fourth damping disc 26 are fixedly connected with the fourth damping disc 25, and the damping disc is fixedly connected with the fourth damping disc and the damping disc respectively;
Through the rotation of the second motor body 20 driving rotation shaft 21, the rotation shaft 21 drives the third damping disk 25 to rotate, the third damping disk 25 drives the fourth damping disk 26 and the threaded sleeve 22 to rotate through friction force, the threaded sleeve 22 can drive the supporting part 23 and the switching seat 3 to move in the vertical direction in the motor housing 1, when the switching seat 3 moves to a preset position, the supporting part 23 contacts with one of corresponding fixing plates 55, the threaded sleeve 22 and the fourth damping disk 26 stop rotating, and along with the continuous rotation of the rotation shaft 21, the third damping disk 25 cannot drive the fourth damping disk 26 and the threaded sleeve 22 to rotate through friction force, the supporting part 23 and the switching seat 3 keep static, and the switching seat 3 is ensured to stop moving to the preset position.
In the third embodiment, based on the second embodiment, as shown in fig. 3, fig. 4, fig. 6, fig. 7, fig. 8 and fig. 9, cams 27 are respectively and fixedly sleeved at two ends of the rotating shaft 21, one side of each cam 27 is provided with a movable plate 28, a support 29 matched with each cam 27 is fixedly connected to each movable plate 28, each support 29 is contacted with each cam 27, at least two second guide posts 30 penetrate through each movable plate 28, the second guide posts 30 are fixedly connected with the inner wall of the motor housing 1, each movable plate 28 and each pressing plate 18 are connected through a pressing and pushing mechanism, each pressing and pushing mechanism comprises first support blocks 31 symmetrically arranged at two sides of each fixed post 13, rectangular holes 32 are respectively formed in the inner walls of the two sides of each first sliding slot 14, connecting blocks 33 are arranged in the rectangular holes 32, two sides of each connecting block 33 are respectively and fixedly connected with each first support block 31 and each pressing plate 18, first pressing posts 37 are respectively arranged at two sides of each fixed post 13, the first supporting block 31 is provided with an inclined plane matched with the first pressing column 37, the first pressing column 37 and the movable plate 28 are connected through a sliding pressing device, the sliding pressing device comprises a side plate 41 fixedly arranged on the movable plate 28, one side of the side plate 41 is provided with a second pressing column 39, the side plate 41 is provided with a second guide groove 42, the second guide groove 42 is internally provided with a second guide block 43, the second guide block 43 is fixedly connected with the second pressing column 39, the switching seat 3 is fixedly connected with two fixing frames 40, the second pressing column 39 penetrates through the fixing frames 40, one side of the fixing frames 40 is provided with a second supporting block 34, the second supporting block 34 is provided with an inclined plane matched with the second pressing column 39, two sides of the second supporting block 34 are respectively fixedly connected with the movable column 35, the movable column 35 is provided with a second chute 36, one end of the first pressing column 37 is positioned in the corresponding second chute 36, and the first pressing column 37 and the inner wall of the second chute 36 are connected by a second compression spring 38;
In the vertical direction moving process of the switching seat 3, the switching seat 3 drives the second pressing column 39 to synchronously move in the vertical direction through the fixing frame 40, the second pressing column 39 drives the second guide block 43 to slide in the second guide groove 42, when the vertical direction of the switching seat 3 stops moving, the first motor body 6 and the first damping disk 7 which do not have faults or do not need to be checked regularly move to one side of the second damping disk 8, the inclined surfaces on the first support blocks 31 positioned on two sides of the fixing column 13 are contacted with the first pressing column 37 at the moment, along with the continuous rotation of the rotating shaft 21, the vertical direction of the switching seat 3 cannot move at the moment, the rotating shaft 21 drives the cam 27 to continuously rotate, the cam 27 drives the bracket 29 and the movable plate 28 to horizontally move synchronously, the movable plate 28 drives the second pressing column 39 to horizontally move synchronously through the second guide block 43, the second pressing column 39 presses the inclined surface of the second supporting block 34, the second pressing column 39 drives the second supporting block 34 and the movable column 35 to move vertically, the movable column 35 moves towards the corresponding first supporting block 31, the length of the second compression spring 38 positioned in the second sliding groove 36 is shortened, the pressure exerted by the second compression spring 38 on the first pressing column 37 is increased, the first pressing column 37 slides on the inclined surface of the first supporting block 31, the first pressing column 37 can drive the first supporting block 31 to move horizontally, so that the first supporting block 31 drives the pressing plate 18 to move towards a direction far away from the sliding block 15 through the connecting block 33, the deformed length of the first compression spring 19 is changed, the pressure exerted by the first compression spring 19 on the fixed column 13 and the frame 4 can be changed, the pressure of the first damping disc 7 pressed on the second damping disc 8 is further adjusted, and according to practical requirements, the friction force between the first damping disk 7 and the second damping disk 8 is adjusted to ensure that the first damping disk 7 can drive the second damping disk 8 to rotate synchronously.
In the fourth embodiment, based on the first embodiment, as shown in fig. 2, fig. 6, fig. 7, fig. 8 and fig. 10, the guiding unit includes a third guiding block 44 fixedly installed on the frame 4, two third guiding grooves 45 are formed on the switching seat 3, the third guiding block 44 is located in the corresponding third guiding groove 45, the locking fixing piece includes a plurality of mounting plates 51 fixedly installed in the motor housing 1, the mounting plates 51 are connected with the cover plate 2 through a plurality of bolts 52, a plurality of positioning holes 53 are formed in the cover plate 2, positioning posts 54 are provided in the positioning holes 53, the positioning posts 54 are fixedly connected with the corresponding mounting plates 51, the rolling rotation structure includes a worm wheel 46 fixedly installed on the connecting shaft 9, a support frame 48 is fixedly connected on the switching seat 3, a worm 47 is rotatably connected on the support frame 48, the worm 47 is meshed with the worm wheel 46, a second gear 49 is fixedly connected on the worm 47, and a second toothed plate 50 meshed with the second gear 49 is fixedly connected in the motor housing 1;
Through the design of the third guide block 44 and the third guide groove 45, so that the frame 4 and the first motor body 6 stably move in the horizontal direction relative to the switching seat 3, when the switching seat 3 moves in the vertical direction relative to the motor housing 1, the switching seat 3 drives the worm 47 and the second gear 49 to move in the vertical direction through the support frame 48, so that the second gear 49 rolls on the second toothed plate 50, the second gear 49 can drive the worm wheel 46 and the connecting shaft 9 to rotate through the worm 47, the connecting shaft 9 can drive the two first toothed plates 11 to move in opposite directions through the first gear 10, so that the two first motor bodies 6 move in opposite directions in the horizontal direction, through the design of the positioning posts 54 and the positioning holes 53, the cover plate 2 is prevented from shaking relative to the motor housing 1, when the cover plate 2 needs to be dismounted, a worker can drive the cover plate 2 to move through the positioning posts 54 to be separated from the mounting plate 51 and the cover plate 2 through the tool driving bolts 52, the limitation of the position of the cover plate 2 can be relieved, and the positioning posts 54 are separated from the corresponding positioning holes 53, and the dismounting of the cover plate 2 can be completed.
Working principle: during operation, a worker installs the motor housing 1 at a preset position, one end of the transmission shaft 5 far away from the motor housing 1 is connected with the driving end of the underground fan, one of the first motor bodies 6 is started, the first motor body 6 drives the first damping disk 7 to rotate, the first damping disk 7 drives the second damping disk 8 and the transmission shaft 5 to rotate through friction force, the transmission shaft 5 can drive the driving end of the underground fan to rotate, when the first motor body 6 used for driving the second damping disk 8 and the first damping disk 7 to rotate fails or needs to be checked regularly, the switching seat 3 is driven to move in the vertical direction through the switching adjustment assembly, so that the two first motor bodies 6 positioned on the switching seat 3 synchronously move, meanwhile, the connecting shaft 9 is driven to rotate through the rolling rotation structure, the connecting shaft 9 drives the first gear 10 to rotate, the first gear 10 drives two first toothed plates 11 to move in opposite directions, wherein one first toothed plate 11 drives the first motor body 6 and the first damping disk 7 which are failed or need to be checked periodically to move away from the second damping disk 8 through the connecting plate 12, the sliding block 15, the fixed column 13 and the frame 4, the other first motor body 6 and the first damping disk 7 which are not failed or need to be checked periodically move to one side of the second damping disk 8 along with the continuous movement of the switching seat 3 in the vertical direction, and the other first toothed plate 11 drives the first motor body 6 and the first damping disk 7 which are not failed or need to be checked periodically to move in the horizontal direction, so that the first damping disk 7 moves towards the direction close to the second damping disk 8, and after the switching seat 3 moves to the preset position finally, the first damping disc 7 on the first motor body 6 which is not in fault or does not need to be checked regularly is contacted with the second damping disc 8, the first compression spring 19 is in a compressed state, the first compression spring 19 applies pressure to the fixed column 13, the frame 4 and the first motor body 6, so that the first damping disc 7 is elastically pressed on the second damping disc 8, the first motor body 6 which is not in fault or does not need to be checked regularly can drive the second damping disc 8 to synchronously rotate through the first damping disc 7, a worker can detach one cover plate 2 close to one side of the first motor body 6 which is in fault or needs to be checked regularly from the motor housing 1 through a locking fixing piece, the worker can detach the first motor body 6 which is in fault or needs to be checked regularly, the worker can continuously work a downhole fan in the process of rush repair or periodic check, the safety coefficient of ventilation is increased, and the safety of the worker is improved;
The second motor body 20 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the third damping disc 25 to rotate, the third damping disc 25 drives the fourth damping disc 26 and the threaded sleeve 22 to rotate through friction force, the threaded sleeve 22 can drive the supporting part 23 and the switching seat 3 to move in the vertical direction in the motor shell 1, when the switching seat 3 moves to a preset position, the supporting part 23 contacts with one corresponding fixing plate 55, the threaded sleeve 22 and the fourth damping disc 26 stop rotating, and as the rotating shaft 21 continuously rotates, the third damping disc 25 cannot drive the fourth damping disc 26 and the threaded sleeve 22 to rotate through friction force, the supporting part 23 and the switching seat 3 keep static, and the switching seat 3 is ensured to stop moving to the preset position;
In the vertical direction moving process of the switching seat 3, the switching seat 3 drives the second pressing column 39 to synchronously move in the vertical direction through the fixing frame 40, the second pressing column 39 drives the second guide block 43 to slide in the second guide groove 42, when the vertical direction of the switching seat 3 stops moving, the first motor body 6 and the first damping disk 7 which do not have faults or do not need to be checked regularly move to one side of the second damping disk 8, the inclined surfaces on the first support blocks 31 positioned on two sides of the fixing column 13 are contacted with the first pressing column 37 at the moment, along with the continuous rotation of the rotating shaft 21, the vertical direction of the switching seat 3 cannot move at the moment, the rotating shaft 21 drives the cam 27 to continuously rotate, the cam 27 drives the bracket 29 and the movable plate 28 to horizontally move synchronously, the movable plate 28 drives the second pressing column 39 to horizontally move synchronously through the second guide block 43, the second pressing column 39 presses the inclined surface of the second supporting block 34, the second pressing column 39 drives the second supporting block 34 and the movable column 35 to move vertically, the movable column 35 moves towards the corresponding first supporting block 31, the length of the second compression spring 38 positioned in the second sliding groove 36 is shortened, the pressure exerted by the second compression spring 38 on the first pressing column 37 is increased, the first pressing column 37 slides on the inclined surface of the first supporting block 31, the first pressing column 37 can drive the first supporting block 31 to move horizontally, so that the first supporting block 31 drives the pressing plate 18 to move towards a direction far away from the sliding block 15 through the connecting block 33, the deformed length of the first compression spring 19 is changed, the pressure exerted by the first compression spring 19 on the fixed column 13 and the frame 4 can be changed, the pressure of the first damping disc 7 pressed on the second damping disc 8 is further adjusted, and according to practical requirements, adjusting the friction force between the first damping disc 7 and the second damping disc 8 to ensure that the first damping disc 7 can drive the second damping disc 8 to synchronously rotate;
Through the design of the third guide block 44 and the third guide groove 45, so that the frame 4 and the first motor body 6 stably move in the horizontal direction relative to the switching seat 3, when the switching seat 3 moves in the vertical direction relative to the motor housing 1, the switching seat 3 drives the worm 47 and the second gear 49 to move in the vertical direction through the support frame 48, so that the second gear 49 rolls on the second toothed plate 50, the second gear 49 can drive the worm wheel 46 and the connecting shaft 9 to rotate through the worm 47, the connecting shaft 9 can drive the two first toothed plates 11 to move in opposite directions through the first gear 10, so that the two first motor bodies 6 move in opposite directions in the horizontal direction, through the design of the positioning posts 54 and the positioning holes 53, the cover plate 2 is prevented from shaking relative to the motor housing 1, when the cover plate 2 needs to be dismounted, a worker can drive the cover plate 2 to move through the positioning posts 54 to be separated from the mounting plate 51 and the cover plate 2 through the tool driving bolts 52, the limitation of the position of the cover plate 2 can be relieved, and the positioning posts 54 are separated from the corresponding positioning holes 53, and the dismounting of the cover plate 2 can be completed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a permanent magnet synchronous motor of drive fan in pit, includes motor housing (1), its characterized in that: the motor shell (1) is of a cavity structure with two open ends, two ends of the motor shell (1) are respectively provided with a cover plate (2), the cover plate (2) and the motor shell (1) are connected through locking fixing pieces, a switching seat (3) is arranged in the motor shell (1), a switching adjusting component matched with the switching seat (3) is arranged in the motor shell (1), one side of the switching seat (3) is provided with two racks (4), the racks (4) and the switching seat (3) are connected through a guide unit, a first motor body (6) is fixedly connected to the racks (4), a transmission shaft (5) is rotationally connected to the motor shell (1), the output end of the first motor body (6) is fixedly connected with a first damping disc (7), one end of the transmission shaft (5) is fixedly connected with a second damping disc (8), the other end of the transmission shaft (5) penetrates through the motor shell (1), a connecting shaft (9) is rotationally connected to the switching seat (3), the connecting shaft (9) and the motor shell (1) are connected through a rolling rotating structure, an external fixed sleeve of the connecting shaft (9) is provided with a first gear (10), the first gear (11) is arranged on one side of the switching seat (3), two first gear plates (11) are respectively arranged on two sides of the first gear plates (11), the first toothed plates (11) are meshed with the first gear (10), one sides, away from each other, of the two first toothed plates (11) are fixedly connected with connecting plates (12) respectively, fixed columns (13) are fixedly connected to the frame (4), first sliding grooves (14) are formed in the fixed columns (13), sliding blocks (15) are arranged in the first sliding grooves (14), the sliding blocks (15) are fixedly connected with the connecting plates (12), pressing plates (18) are arranged in the first sliding grooves (14), one side inner walls of the pressing plates (18) and one side of the first sliding grooves (14) are connected through first compression springs (19), the pressing plates (18) are in contact with the sliding blocks (15), first guide grooves (16) are formed in the inner walls of the first sliding grooves (14), and first guide blocks (17) are fixedly connected with the sliding blocks (15);
The switching adjustment assembly comprises a second motor body (20) fixedly mounted in a motor shell (1), the output end of the second motor body (20) is fixedly connected with a rotating shaft (21), a threaded sleeve (22) is sleeved outside the rotating shaft (21), two fixing plates (55) are sleeved at two ends of the threaded sleeve (22) respectively, bearings are arranged at the connecting positions of the fixing plates (55) and the threaded sleeve (22), the fixing plates (55) are fixedly connected with the inner wall of the motor shell (1), a supporting portion (23) is arranged between the two fixing plates (55), the supporting portion (23) is fixedly connected with a switching seat (3), the threaded sleeve (22) penetrates through the supporting portion (23), the threaded sleeve (22) and the supporting portion (23) are connected in a threaded mode, a first guide column (24) penetrates through the supporting portion (23), two ends of the first guide column (24) are connected with the two fixing plates (55) respectively, and the threaded sleeve (22) and the rotating shaft (21) are connected through damping synchronization units.
2. A permanent magnet synchronous motor for driving a downhole fan according to claim 1, wherein: the damping synchronization unit comprises two third damping discs (25) fixedly sleeved outside the rotating shaft (21), one sides, close to the two third damping discs (25), of the two third damping discs are respectively provided with a fourth damping disc (26), the rotating shaft (21) penetrates through the fourth damping discs (26), two ends of the threaded sleeve (22) are respectively fixedly connected with the two fourth damping discs (26), and the fourth damping discs (26) are in contact with the third damping discs (25).
3. A permanent magnet synchronous motor for driving a downhole fan according to claim 1, wherein: the fixed cover in both ends of pivot (21) is equipped with cam (27) respectively, and one side of cam (27) is equipped with fly leaf (28), fixedly connected with on fly leaf (28) with cam (27) matched with support (29), support (29) and cam (27) contact, run through on fly leaf (28) have two at least second guide posts (30), the inner wall fixed connection of second guide post (30) and motor housing (1), fly leaf (28) and push down board (18) and pass through push away pushing mechanism and connect.
4. A permanent magnet synchronous motor for driving a downhole fan according to claim 3, wherein: the pushing mechanism comprises first supporting blocks (31) symmetrically arranged on two sides of the fixed column (13), rectangular holes (32) are respectively formed in the inner walls of two sides of the first sliding groove (14), connecting blocks (33) are arranged in the rectangular holes (32), two sides of each connecting block (33) are fixedly connected with the corresponding first supporting block (31) and the corresponding pressing plate (18), first pressing columns (37) are respectively arranged on two sides of the fixed column (13), inclined faces matched with the corresponding first pressing columns (37) are arranged on the corresponding first supporting blocks (31), and the corresponding first pressing columns (37) are connected with the corresponding movable plates (28) through sliding presses.
5. A permanent magnet synchronous motor for driving a downhole fan according to claim 4, wherein: the sliding presser comprises a side plate (41) fixedly mounted on a movable plate (28), a second pressing column (39) is arranged on one side of the side plate (41), a second guide groove (42) is formed in the side plate (41), a second guide block (43) is arranged in the second guide groove (42), the second guide block (43) and the second pressing column (39) are fixedly connected, two fixing frames (40) are fixedly connected to the switching seat (3), the second pressing column (39) penetrates through the fixing frames (40), a second supporting block (34) is arranged on one side of the fixing frames (40), inclined faces matched with the second pressing column (39) are arranged on the second supporting block (34), movable columns (35) are fixedly connected to two sides of the second supporting block (34), second sliding grooves (36) are formed in the movable columns (35), one ends of the first pressing columns (37) are located in the corresponding second sliding grooves (36), and the inner walls of the first pressing columns (37) and the second sliding grooves (36) are connected through second compression springs (38).
6. A permanent magnet synchronous motor for driving a downhole fan according to claim 1, wherein: the guide unit comprises a third guide block (44) fixedly mounted on the frame (4), two third guide grooves (45) are formed in the switching seat (3), and the third guide block (44) is located in the corresponding third guide groove (45).
7. A permanent magnet synchronous motor for driving a downhole fan according to claim 1, wherein: the locking fixing piece comprises a plurality of mounting plates (51) fixedly mounted in the motor shell (1), and the mounting plates (51) and the cover plate (2) are connected through a plurality of bolts (52).
8. A permanent magnet synchronous motor for driving a downhole fan according to claim 7, wherein: a plurality of positioning holes (53) are formed in the cover plate (2), positioning columns (54) are arranged in the positioning holes (53), and the positioning columns (54) are fixedly connected with corresponding mounting plates (51).
9. A permanent magnet synchronous motor for driving a downhole fan according to claim 1, wherein: the rolling rotating structure comprises a worm wheel (46) fixedly arranged on a connecting shaft (9), a supporting frame (48) is fixedly connected to the switching seat (3), a worm (47) is rotatably connected to the supporting frame (48), the worm (47) is meshed with the worm wheel (46), a second gear (49) is fixedly connected to the worm (47), and a second toothed plate (50) meshed with the second gear (49) is fixedly connected to the inside of the motor shell (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410303730.2A CN117895705B (en) | 2024-03-18 | 2024-03-18 | Permanent magnet synchronous motor for driving underground fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410303730.2A CN117895705B (en) | 2024-03-18 | 2024-03-18 | Permanent magnet synchronous motor for driving underground fan |
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| CN117895705A CN117895705A (en) | 2024-04-16 |
| CN117895705B true CN117895705B (en) | 2024-05-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204392066U (en) * | 2015-02-06 | 2015-06-10 | 磁谷科技（集团）有限公司 | Based on the standby usage motor automatic moving type switching device shifter of permanent magnet transmission technology |
| CN208862704U (en) * | 2018-10-10 | 2019-05-14 | 黄石市威劲科贸有限责任公司 | A kind of spare motor automatic switchover operating component |
| CN210349598U (en) * | 2019-08-13 | 2020-04-17 | 大冶有色设计研究院有限公司 | Power supply device capable of automatically switching underground fan |
| CN112113331A (en) * | 2020-08-27 | 2020-12-22 | 耒阳市亚湘电子科技有限公司 | Temperature-adjustable hot air gun for replacing processor |
| CN216464730U (en) * | 2021-12-01 | 2022-05-10 | 河南轩明实业有限公司 | Power assembly for industrial robot operation and maintenance equipment |
| CN115742714A (en) * | 2022-11-23 | 2023-03-07 | 吉林大学 | Mutual redundancy dual-motor drive axle and control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6700266B2 (en) * | 2002-01-02 | 2004-03-02 | Intel Corporation | Multiple fault redundant motor |
-
2024
- 2024-03-18 CN CN202410303730.2A patent/CN117895705B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204392066U (en) * | 2015-02-06 | 2015-06-10 | 磁谷科技（集团）有限公司 | Based on the standby usage motor automatic moving type switching device shifter of permanent magnet transmission technology |
| CN208862704U (en) * | 2018-10-10 | 2019-05-14 | 黄石市威劲科贸有限责任公司 | A kind of spare motor automatic switchover operating component |
| CN210349598U (en) * | 2019-08-13 | 2020-04-17 | 大冶有色设计研究院有限公司 | Power supply device capable of automatically switching underground fan |
| CN112113331A (en) * | 2020-08-27 | 2020-12-22 | 耒阳市亚湘电子科技有限公司 | Temperature-adjustable hot air gun for replacing processor |
| CN216464730U (en) * | 2021-12-01 | 2022-05-10 | 河南轩明实业有限公司 | Power assembly for industrial robot operation and maintenance equipment |
| CN115742714A (en) * | 2022-11-23 | 2023-03-07 | 吉林大学 | Mutual redundancy dual-motor drive axle and control method thereof |
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| CN117895705A (en) | 2024-04-16 |
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