CN216638761U - Permanent magnet variable frequency motor reducer direct-drive hoister - Google Patents
Permanent magnet variable frequency motor reducer direct-drive hoister Download PDFInfo
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- CN216638761U CN216638761U CN202123145489.6U CN202123145489U CN216638761U CN 216638761 U CN216638761 U CN 216638761U CN 202123145489 U CN202123145489 U CN 202123145489U CN 216638761 U CN216638761 U CN 216638761U
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- bearing beam
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- variable frequency
- frequency motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a permanent magnet variable frequency motor reducer direct-drive hoister and relates to the field of coal mine hoisters. The permanent magnet variable frequency motor speed reducer is fixed on a motor base through a bolt assembly and is cooled by a water cooling station; the output shaft of the main shaft device is connected with a gear coupling, and the left side and the right side in the axial direction of the main shaft device are respectively provided with a left bearing beam and a right bearing beam which are both connected to the main shaft and drive the main shaft to rotate; the right bearing beam is connected with the output end of the gear coupling; an encoder is arranged in the center of the left side of the left bearing beam; the right bearing beam is connected with the main shaft through a bevel gear; a depth indicator transmission device is arranged outside the conical gear and connected with the depth indicator; the main shaft device is braked by a disc brake which is driven by hydraulic pressure. The utility model has high efficiency after use; the noise is reduced, the structure is compact, and the space is saved; and the environmental adaptability is strong.
Description
Technical Field
The utility model relates to the field of coal mine hoists, in particular to a permanent magnet variable frequency motor reducer direct-drive hoister, namely a permanent magnet synchronous motor stator is internally provided with a roller (rotor).
Background
Because of being limited by geographical conditions, in order to solve the problem that large-scale hoisting equipment cannot be installed due to limited site, the originally used hoisting machine is basically of an asynchronous motor, a speed reducer and a roller spindle type, is used by adopting frequency conversion control, needs to be provided with a lubricating station to lubricate the speed reducer, occupies a large space and has large overhauling and maintenance amount. After investigation, demonstration and analysis and demonstration on site actual exploration, the permanent magnet variable frequency motor reducer direct drive hoister is designed.
Disclosure of Invention
The utility model provides a permanent magnet variable frequency motor reducer direct-drive elevator, which aims to solve the problems that large-scale hoisting equipment cannot be installed due to geographical condition limitation, and the problems that an original elevator has many important parts and large maintenance amount.
The utility model is realized by the following technical scheme: a direct-drive hoister of a permanent magnet variable frequency motor reducer comprises a main shaft device and the permanent magnet variable frequency motor reducer, wherein the main shaft device comprises a winding drum and a main shaft, the main shaft is positioned at the center of the winding drum, the permanent magnet variable frequency motor reducer is fixed on a motor base through a bolt assembly, the motor base is also fixed on the ground through the bolt assembly, and the bolt assembly comprises a plurality of bolts, nuts and washers; the permanent magnet variable frequency motor speed reducer is cooled by a water cooling station, the water cooling station is provided with a circulating water cooling pipeline device, and the water cooling pipeline device surrounds the periphery of the permanent magnet variable frequency motor speed reducer; the output shaft of the permanent magnet variable frequency motor reducer is connected with a gear coupling, the gear coupling is connected with the main shaft, and a gear coupling shield is further arranged on the outer side of the gear coupling; the left bearing beam and the right bearing beam are respectively arranged on the left side and the right side of the main shaft device in the axial direction, and are sleeved on the main shaft and support the main shaft; the right bearing beam is connected to a right bearing seat through a bearing beam bolt assembly, the left bearing beam is also connected to a left bearing seat through a bearing beam bolt assembly, the bearing seats on the two sides are fixedly arranged on the ground, and an encoder is arranged in the center of the left side of the left bearing beam; a conical gear is arranged on the main shaft on the left side of the right bearing beam, and a conical gear shield is arranged outside the conical gear; a depth indicator transmission device is arranged outside the conical gear and connected with the depth indicator; the left bearing seat and the right bearing seat are both provided with wedges; a pair of disc brakes are respectively arranged at the left side and the right side of the axial direction of the main shaft device, and the disc brakes are fixed on the ground through a bottom plate; the two pairs of disc brakes are respectively opposite and mutually connected, and the pair of disc brakes positioned on the left side is driven by hydraulic pressure and is connected to the hydraulic station through a pipe B; the pair of disc brakes on the right side are hydraulically driven and connected to the hydraulic station through an a pipe.
The permanent magnet variable frequency motor reducer direct-drive hoister provided by the utility model directly drives the winding drum to rotate by adopting the permanent magnet variable frequency motor reducer without adopting an original motor, a reducer and the like and an additional lubricating station. The elevator mainly comprises a main shaft device and a permanent magnet variable frequency motor reducer, wherein the permanent magnet variable frequency motor reducer drives the main shaft device to rotate; the permanent magnet variable frequency motor reducer is fixed on a motor base through a bolt assembly, the motor base is also fixed on the ground through the bolt assembly, and the bolt assembly is a general name of a plurality of bolts, nuts and washers; the permanent magnet variable frequency motor reducer is cooled by a water cooling station, the water cooling station is provided with a circulating water cooling pipeline device, the water cooling pipeline device surrounds the periphery of the permanent magnet variable frequency motor reducer, and the permanent magnet variable frequency motor reducer is cooled by adopting a heat exchange principle. The output shaft of the permanent magnet variable frequency motor reducer is connected with a gear coupling, a gear coupling shield is further arranged on the outer side of the gear coupling, and the gear coupling is used for connecting the motor output shaft and the main shaft. The left bearing beam and the right bearing beam are respectively arranged on the left side and the right side of the main shaft device in the axial direction and support the whole main shaft device to rotate together, and the left bearing beam and the right bearing beam are sleeved outside the main shaft; the right bearing beam is connected with the output end of the gear coupling; the right bearing beam is connected to the right bearing seat through a bearing beam bolt assembly, the left bearing beam is connected to the left bearing seat through a bearing beam bolt assembly, the bearing seats on the two sides are fixedly mounted on the ground, and the left center of the left bearing beam is provided with an encoder for collecting physical quantities such as rotating speed. A conical gear is arranged on the main shaft positioned on the left side of the right bearing beam, and a conical gear shield is arranged outside the conical gear; a depth indicator transmission device is arranged outside the conical gear, is connected with the depth indicator and is used for displaying the depth of the elevator; and wedge irons are arranged on the left bearing seat and the right bearing seat respectively and used for preventing the bearing from shifting in the rotation process. The left side and the right side of the axial direction of the main shaft device are respectively provided with a pair of disc brakes, the disc brakes are fixed on the ground through a bottom plate, and the disc brakes are used for braking, are driven by hydraulic pressure and control the elevator to stop in place as the name suggests; the two pairs of disc brakes are respectively opposite and mutually connected, and the pair of disc brakes positioned on the left side is connected to the hydraulic station through a pipe B; a pair of disc brakes located on the right side are connected to the hydraulic station through an a pipe. The utility model has the following specific operations: the permanent magnet variable frequency motor reducer is started, power is transmitted to the main shaft through the gear coupling, the main shaft rotates to drive the winding drum to rotate, meanwhile, the encoder at the left bearing beam collects rotating speed information and the like, the winding drum drives the devices related to the winding drum to ascend or descend, and in the working process of the permanent magnet variable frequency motor reducer, a water cooling pipeline device circulating in a water cooling station cools the permanent magnet variable frequency motor reducer; when parking is required, the disc brake is driven by the hydraulic station, so that the drum brakes and the vehicle is parked in place.
Preferably, the side of the main shaft device facing the staff is provided with a reel guard plate, so that the staff can be injured in order to prevent the rope from breaking and flying.
Compared with the prior art, the utility model has the following beneficial effects: the permanent magnet variable frequency motor reducer direct-drive hoister provided by the utility model has high efficiency: compared with the conventional motor and the reducer, the power factor of the motor of the permanent magnet variable frequency motor reducer is increased from 0.82 to 0.96, and the mechanical efficiency is increased from 0.85 to 0.95; and (3) noise reduction: the highest rotating speed of the permanent magnet variable frequency motor reducer is only 146r/min, the noise is only 60-65 dBA, and the noise of a conventional motor is 80-85 dBA; compact structure saves space: compared with the conventional motor and the reducer, the axial size of the permanent magnet variable frequency motor reducer is reduced by at least 30 percent; the permanent magnet variable frequency motor speed reducer does not need to be provided with a special lubricating station; the permanent magnet synchronous frequency converter is used as a digital speed regulating device of the winch, stepless speed regulation is realized, and stable speed operation is really realized; the high-performance vector control and synchronous control ensure accurate motor control; the anti-interference power supply has strong anti-interference capability, strong environmental adaptability, small harmonic component and no public hazard to a power grid; the permanent magnet synchronous frequency conversion technology is adopted, the speed stabilizing precision is high, the speed regulating range is wide, the actual speed is changed along with the preset speed, the excessive smoothness from the constant speed section to the speed reducing section and from the speed reducing section to the crawling section is good, and the speed regulating performance is excellent; and simultaneously has great economic benefit.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the hydraulic station of the present invention.
The figures are labeled as follows: 1-spindle device, 2-left bearing beam, 3-bearing beam bolt assembly, 4-encoder, 5-disc brake, 6-bottom plate, 7-permanent magnet variable frequency motor reducer, 8-wedge, 9-right bearing beam, 10-drum guard plate, 11-B tube, 12-hydraulic station, 13-bevel gear shield, 14-depth indicator transmission device, 15-depth indicator, 16-gear coupling shield, 17-gear coupling, 18-bolt assembly, 19-motor base, 20-water cooling station, 21-water cooling pipeline device and 22-A tube.
Detailed Description
The following describes an embodiment of the present invention with reference to the drawings.
A permanent magnet variable frequency motor reducer direct drive elevator is shown in figures 1 and 2: the permanent magnet variable frequency motor speed reducer is characterized by comprising a main shaft device 1 and a permanent magnet variable frequency motor speed reducer 7, wherein the main shaft device 1 comprises a winding drum 101 and a main shaft 102, the main shaft 102 is positioned at the center of the winding drum, the permanent magnet variable frequency motor speed reducer 7 is fixed on a motor base 19 through a bolt assembly 18, the motor base 19 is also fixed on the ground through the bolt assembly 18, and the bolt assembly 18 comprises a plurality of bolts, nuts and washers; the permanent magnet variable frequency motor reducer 7 is cooled by a water cooling station 20, the water cooling station is provided with a circulating water cooling pipeline device 21, and the water cooling pipeline device 21 surrounds the periphery of the permanent magnet variable frequency motor reducer 7; the output shaft of the permanent magnet variable frequency motor reducer 7 is connected with a gear coupling 17, the gear coupling 17 is connected with the main shaft 102, and a gear coupling shield 16 is further arranged on the outer side of the gear coupling 17; the left bearing beam 2 and the right bearing beam 9 are respectively arranged on the left side and the right side of the main shaft device 1 in the axial direction, and the main shaft 102 is sleeved with the left bearing beam 2 and the right bearing beam 9 and supports the main shaft 102; the right bearing beam 9 is connected to a right bearing seat through a bearing beam bolt assembly 3, the left bearing beam 2 is also connected to a left bearing seat through the bearing beam bolt assembly 3, the bearing seats on two sides are fixedly arranged on the ground, and an encoder 4 is arranged in the center of the left side of the left bearing beam 2; a conical gear is arranged on the main shaft 102 positioned on the left side of the right bearing beam 9, and a conical gear shield 13 is arranged outside the conical gear; a depth indicator transmission device 14 is arranged outside the conical gear, and the depth indicator transmission device 14 is connected with a depth indicator 15; the left bearing seat and the right bearing seat are both provided with a wedge iron 8; a pair of disc brakes 5 are respectively arranged at the left side and the right side of the axial direction of the main shaft device 1, and the disc brakes 5 are fixed on the ground through a bottom plate 6; two pairs of disc brakes 5 are respectively opposite and mutually connected, and the disc brakes 5 on the left side are driven by hydraulic pressure and are connected to a hydraulic station 12 through a B pipe 11; the pair of disc brakes 5 on the right side are hydraulically driven and connected to the hydraulic station 12 through an a pipe 22.
The preferred scheme is adopted in the embodiment: the side of the main shaft device 1 facing the working personnel is provided with a reel guard plate 10.
The embodiment specifically operates as follows: the permanent magnet variable frequency motor reducer 7 is started, power is transmitted to the main shaft 102 through the gear coupling 17, the main shaft 102 rotates to drive the winding drum 101 to rotate, the left bearing beam 2 and the right bearing beam 9 jointly support the main shaft 102 to rotate, meanwhile, the encoder 4 at the position of the left bearing beam 2 collects rotating speed information and the like, the winding drum 101 drives devices related to the winding drum to ascend or descend, and in the working process of the permanent magnet variable frequency motor reducer 7, a water cooling pipeline device 32 circulating in a water cooling station 20 cools the permanent magnet variable frequency motor reducer 7; when parking is required, the disc brake 5 is actuated by the hydraulic station, so that the spool 101 is braked and parked in place.
The scope of the utility model is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the utility model should be included in the scope of the utility model.
Claims (2)
1. The utility model provides a permanent magnet variable frequency motor reduction gear directly drives lifting machine which characterized in that: the spindle device (1) comprises a winding drum (101) and a spindle (102), the spindle (102) is located at the center of the winding drum, the permanent magnet variable frequency motor reducer (7) is fixed on a motor base (19) through a bolt assembly (18), the motor base (19) is also fixed on the ground through the bolt assembly (18), and the bolt assembly (18) comprises a plurality of bolts, nuts and gaskets; the permanent magnet variable frequency motor reducer (7) is cooled by a water cooling station (20), the water cooling station is provided with a circulating water cooling pipeline device (21), and the water cooling pipeline device (21) surrounds the periphery of the permanent magnet variable frequency motor reducer (7); the output shaft of the permanent magnet variable frequency motor reducer (7) is connected with a gear coupling (17), the gear coupling (17) is connected with the main shaft (102), and a gear coupling shield (16) is further arranged on the outer side of the gear coupling (17);
the left bearing beam (2) and the right bearing beam (9) are respectively arranged on the left side and the right side of the main shaft device (1) in the axial direction, and the left bearing beam (2) and the right bearing beam (9) are sleeved on the main shaft (102) and support the main shaft (102); the right bearing beam (9) is connected to a right bearing seat through a bearing beam bolt assembly (3), the left bearing beam (2) is connected to a left bearing seat through a bearing beam bolt assembly (3), the bearing seats on the two sides are fixedly arranged on the ground, and an encoder (4) is arranged in the center of the left side of the left bearing beam (2); a conical gear is arranged on a main shaft (102) positioned on the left side of the right bearing beam (9), and a conical gear shield (13) is arranged outside the conical gear; a depth indicator transmission device (14) is arranged outside the conical gear, and the depth indicator transmission device (14) is connected with a depth indicator (15); the left bearing seat and the right bearing seat are both provided with a wedge iron (8);
a pair of disc brakes (5) are respectively arranged on the left side and the right side of the axial direction of the main shaft device (1), and the disc brakes (5) are fixed on the ground through a bottom plate (6); the two pairs of disc brakes (5) are respectively opposite and mutually connected, and the pair of disc brakes (5) positioned on the left side is driven by hydraulic pressure and is connected to a hydraulic station (12) through a B pipe (11); a pair of disc brakes (5) on the right side are hydraulically driven and connected to the hydraulic station (12) through an A pipe (22).
2. The permanent magnet variable frequency motor reducer direct drive hoister according to claim 1, characterized in that: and a winding drum protective plate (10) is arranged on one side, facing the working personnel, of the main shaft device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145489.6U CN216638761U (en) | 2021-12-15 | 2021-12-15 | Permanent magnet variable frequency motor reducer direct-drive hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123145489.6U CN216638761U (en) | 2021-12-15 | 2021-12-15 | Permanent magnet variable frequency motor reducer direct-drive hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216638761U true CN216638761U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123145489.6U Active CN216638761U (en) | 2021-12-15 | 2021-12-15 | Permanent magnet variable frequency motor reducer direct-drive hoister |
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| Country | Link |
|---|---|
| CN (1) | CN216638761U (en) |
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2021
- 2021-12-15 CN CN202123145489.6U patent/CN216638761U/en active Active
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