CN112871324A - Permanent magnet motor direct-drive vertical mill - Google Patents
Permanent magnet motor direct-drive vertical mill Download PDFInfo
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- CN112871324A CN112871324A CN202110299128.2A CN202110299128A CN112871324A CN 112871324 A CN112871324 A CN 112871324A CN 202110299128 A CN202110299128 A CN 202110299128A CN 112871324 A CN112871324 A CN 112871324A
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- 230000007246 mechanism Effects 0.000 claims abstract description 214
- 238000000227 grinding Methods 0.000 claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 53
- 238000013016 damping Methods 0.000 claims description 27
- 230000003139 buffering effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
A permanent magnet motor direct-drive vertical mill comprises a vertical mill, a power system for driving the vertical mill and a power system limiting device, wherein the power system comprises a rotor mechanism and an annular stator mechanism, the rotor mechanism is sleeved inside the annular stator mechanism, the rotor mechanism is annularly arranged on the outer surface of a rotary drum and drives the rotary drum to rotate, the rotary drum is connected with a grinding disc of the vertical mill, the annular stator mechanism at least comprises one stator mechanism, a base of the power system limiting device is used for supporting the stator mechanism, and the rotary drum is connected with the base through a bearing mechanism and enables the rotary drum to rotate relative to the base. The millstone of the vertical mill directly driven by the low-speed large-torque permanent magnet synchronous motor is realized.
Description
Technical Field
The invention relates to the technical field of vertical mills, in particular to a permanent magnet motor direct-drive vertical mill.
Background
In recent years, the grinding mill is unique in the technological innovation of the cement raw material, clinker and slag powder grinding process, integrates crushing, drying, grinding, sorting and conveying, and has the advantages of high yield, low unit consumption, high intensification degree, small floor area, low civil engineering and transportation cost and the like. However, the asynchronous motor is matched with the speed reducer, so that the equipment is large in size and weight, high in manufacturing difficulty and maintenance cost, high in vibration noise, leakage pollution exists in lubricating oil, the operation efficiency is reduced, particularly, the vertical grinding roller is unstable in operation, the grinding roller is large in vibration, and the yield is not easy to promote.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a permanent magnet motor direct-drive vertical mill, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a permanent-magnet machine directly drives vertical mill, includes vertical mill, the driving system and the driving system stop device of drive vertical mill, its characterized in that: the power system is composed of a rotor mechanism and an annular stator mechanism, the rotor mechanism is sleeved inside the annular stator mechanism, the rotor mechanism is annularly arranged on the outer surface of the rotary drum and drives the rotary drum to rotate, the rotary drum is connected with a grinding disc of the vertical grinding machine, the annular stator mechanism is composed of at least one stator mechanism, a base of the power system limiting device is used for supporting the stator mechanism, and the rotary drum is connected with the base through a bearing mechanism so that the rotary drum rotates relative to the base.
Further, when the number of the stator mechanisms is larger than 1, the stator mechanisms comprise fan-shaped shells and stator cores in the fan-shaped shells, stator windings wound with the cores are arranged on the stator cores, and the fan-shaped shells are integrally spliced into an annular structure.
Furthermore, the fan-shaped shell is connected with the fan-shaped shell through a connecting piece I.
Furthermore, power stop device includes base and connecting piece II, and the base is used for supporting stator mechanism's bottom, and II one end of connecting piece are connected with stator mechanism, and the other end is connected with the base.
Furthermore, a limiting rolling device is arranged in a gap between the rotor mechanism and the annular stator mechanism, and the limiting rolling device keeps the gap between the stator mechanism and the annular rotor mechanism and simultaneously ensures normal relative rotation between the annular stator mechanism and the rotor mechanism.
Furthermore, the limiting rolling device comprises a rolling body and a retainer for limiting the rolling body, the rolling body rolls between the rotor mechanism and the stator mechanism, between the stator mechanism and the rotary drum or between the stator mechanism and the grinding roller, annular grooves are formed in the surfaces of the rotor mechanism, the stator mechanism, the rotary drum or the grinding roller which are in contact with the rolling body, and the retainer ensures the relative position between the rolling bodies when the rolling body rolls.
Furthermore, the limiting rolling device is composed of a roller and a connecting seat which is connected with the roller and provided with a rotating shaft, the limiting rolling device is arranged between the rotor mechanism and the stator mechanism, between the rotor mechanism and the roller or between the rotor mechanism and the grinding roller, when the limiting rolling device is arranged between the rotor mechanism and the stator mechanism, the connecting seat is connected with the rotor mechanism or the stator mechanism, when the limiting rolling device is arranged between the rotor mechanism and the roller, the connecting seat is connected with the rotor mechanism or the roller, and when the limiting rolling device is arranged between the rotor mechanism and the grinding roller, the connecting seat is connected with the rotor mechanism or the grinding roller. The rollers roll when the rotor mechanism and the stator mechanism rotate relatively, and are used for limiting a gap between the rotor mechanism and the stator mechanism.
Furthermore, the connecting piece II specifically comprises a slow damping device, one end of the damping device is connected with the base, and the other end of the damping device is connected with the stator mechanism and used for buffering and consuming the amplitude transmitted to the stator mechanism when the rotary drum rotates, so that the amplitude of the rotary drum is released.
Furthermore, damping device is wire rope, spring or the spring damper of contractility, and wire rope, spring or spring damper's both ends one end is connected with stator mechanism, and the other end is connected with the base.
Further, damping device includes cushion chamber, elastic component, connecting rod I and connecting rod II, I one end of connecting rod is hung in the last port of cushion chamber, and the other end is connected with braced frame, and II one ends of connecting rod are hung in the port under the cushion chamber, and the other end is connected with the stator, and the connecting rod II is hung and is provided with the elastic component between the tip of cushion chamber and the port under the cushion chamber.
Furthermore, a length adjusting device is arranged between the damping device and the stator mechanism and used for adjusting the tightness of the stator mechanism and the traction buffering mechanism.
Furthermore, length adjustment device includes adjusting collar and adjusting nut, and adjusting nut is fixed in the adjusting collar both ends, and the adjusting nut is passed and extends to in the adjusting collar to the tip of the adjusting screw thread of adjusting pole I that the damping device was last to set up, and the adjusting nut that the adjusting screw thread on adjusting pole II that the adjusting collar other end set up passed the adjusting collar other end extends to in the adjusting collar, and the adjusting screw thread on adjusting pole I is each other with the adjusting screw thread on adjusting pole II is opposite.
Furthermore, the bearing mechanism comprises a positioning bearing and a thrust bearing arranged between the positioning bearing and the base, and the surface of the rotary drum is sleeved with the inner ring of the positioning bearing.
Furthermore, a magnetism isolating sleeve is arranged between the rotor mechanism and the rotary drum.
Compared with the prior art, the invention has the following advantages:
1. through setting up the driving system, after alternating current was let in to the driving system, the magnetic field of stator mechanism responds to rotor mechanism magnetic field, and then it is rotatory to be directly driven the rotary drum by rotor mechanism, form PMSM under the rotating magnetic field effect, it is rotatory to directly drive the rotary drum by rotor mechanism, realize that low-speed big torque PMSM directly drives the mill of vertical mill, stator mechanism adopts the concatenation formula structure, make things convenient for the mill to make the transportation, on-the-spot assembly and follow-up maintenance, fix the mill direct spiro union on the rotor, system architecture is more simplified, replace the trouble unit when easy to assemble and maintain, fundamentally changes the shortcoming that traditional mechanical transmission system drive chain is lengthy, bulky and heavy, can extensively be applied to large-scale vertical mill technique. The problems of difficulty in shipping, hoisting, maintaining, processing and manufacturing caused by large volume and overweight of the traditional driving system can be avoided, and the operating power of the gear box is reduced, so that the manufacturing cost is reduced.
2. Through setting up spacing rolling device, keep minimum clearance between stator mechanism and the rotor mechanism, be difficult to mechanical chamber cleaning, manufacturing cost can be practiced thrift to both minimum clearances, and the design of minimum clearance has obtained the purpose that uses the electric quantity less in long-time operation process, and the effect of economizing on electricity is more obvious.
3. The annular stator mechanism can be formed by splicing one or more stator mechanisms, the number of the stator mechanisms can be flexibly adjusted according to the size of the rotary drum, the whole annular stator mechanism is broken into parts, and the production, the transportation and the assembly are convenient.
4. Through setting up tractive bradyseism device for the amplitude that transmits to the stator mechanism when buffering and consuming the rotary drum and rotate releases the amplitude volume of rotary drum, makes equipment operation more stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view A of FIG. 1;
FIG. 3 is a schematic structural diagram of a spacing rolling device;
FIG. 4 is a schematic structural diagram of a connecting piece I;
FIG. 5 is another schematic structural diagram of the rolling limit device;
FIG. 6 is a view showing the construction of the pulling shock absorber.
Reference numerals: 1. the vertical mill comprises a vertical mill body, 2, an annular stator mechanism, 3, a rotor mechanism, 4, a rotary drum, 5, a grinding disc, 6, a base, 7, a fan-shaped shell, 8, connecting pieces I and 9, permanent magnets, 10, rolling bodies, 11, a retainer, 12, connecting pieces II and 13, rollers, 14, a rotating shaft, 15, a buffering damping device, 16, a buffering cavity, 17, an elastic piece, 18, connecting rods I and 19, connecting rods II and 20, an adjusting sleeve, 21, an adjusting nut, 22, a positioning bearing, 23 and a thrust bearing.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The technical scheme of the invention is described in detail by combining the attached drawings, the permanent magnet motor direct-drive vertical mill comprises a vertical mill 1, a power system for driving the vertical mill and a power system limiting device, wherein the power system consists of a rotor mechanism 3 and an annular stator mechanism 2, the rotor mechanism is sleeved in the annular stator mechanism, the rotor mechanism is annularly arranged on the outer surface of a rotary drum 4 and drives the rotary drum to rotate, the rotor mechanism can be directly and annularly arranged on the surface of the rotary drum to be in contact with the surface of the rotary drum, or is in screwed connection with the surface of the rotary drum by using a flange, or indirectly drives the rotary drum to rotate by using connecting devices of flanges, for example, the rotor mechanism and the surface of the rotary drum are respectively provided with the connecting device of the flange, the rotor mechanism drives the rotary drum to rotate by the transmission of the flange, or, the rotor mechanism indirectly drives the rotary drum to rotate through the rotating shaft connecting device, the rotary drum is connected with a grinding disc 5 of the vertical grinding machine, the rotary drum and the grinding disc can be fixedly connected or detachably connected in a flange mode or can be of an integrally formed structure, the annular stator mechanism at least comprises a stator mechanism, the stator mechanism can comprise a stator iron core and a winding wound on the iron core, the rotor mechanism can comprise a plurality of permanent magnets 9 attached to the surface of the rotary drum, the centripetal part of the surface magnetic block does not need to be magnetically isolated at the moment, or the rotor mechanism comprises the rotor iron core and permanent magnets distributed in the rotor iron core, the centripetal part needs to be magnetically isolated by a magnetic isolation sleeve at the moment, a base 6 of the power system limiting device is used for supporting the stator mechanism, and the rotary drum is connected with the base through a bearing mechanism to enable the rotary drum to rotate relative to the base, preferably, the rotary drum is guaranteed to rotate, meanwhile, the base needs to share the gravity of the whole equipment, therefore, the bearing mechanism can comprise a positioning bearing 22 and a thrust bearing 23 arranged between the positioning bearing and the base, the inner ring of the positioning bearing is sleeved on the surface of the rotary drum or the shaft surface of the lower end of the rotary drum, a magnetism isolating sleeve is arranged between the rotor mechanism and the rotary drum, and the rotor mechanism is composed of a rotor iron core and permanent magnets distributed in the rotor iron core. The centripetal part needs to be additionally provided with a magnetic isolation aluminum plate for magnetic isolation, and the centripetal part with the surface pasted with the magnetic block does not need to be magnetically isolated. After the power system is electrified, a gap between the stator core and the permanent magnet generates a rotating magnetic field, a permanent magnet synchronous motor is formed under the action of the rotating magnetic field, the rotor mechanism directly drives the rotary drum to rotate, the rotating magnetic field interacts with a magnetic pole field of the permanent magnet on the rotor mechanism, and electromagnetic force is generated to drive the rotary drum to rotate.
The annular stator mechanism can be an independent stator mechanism and integrally surrounds the outside of the rotor mechanism, when the diameters of the grinding roller and the rotary drum are larger, the grinding roller and the rotary drum can also be formed by combining a plurality of stator mechanisms, when the number of the stator mechanisms is larger than 1, the stator mechanism comprises a fan-shaped shell 7 and a stator core in the fan-shaped shell, a stator winding for winding the core is arranged on the stator core, the fan-shaped shell and the fan-shaped shell are integrally spliced to form an annular structure, and the stator mechanism is provided with a splicing structure, so that shells and stator cores in different numbers can be selected according to the diameters of different rotary drums and the required magnetic poles to be spliced to form the whole annular stator mechanism; be connected through connecting piece I8 between fan-shaped casing and the fan-shaped casing, make detachable splice into the annular appearance of whole annular stator mechanism between the fan-shaped casing, the connecting piece can be holistic ring flange, and during the installation, the ring flange sets up in one side or both sides of fan-shaped casing, and ring flange accessible screw is connected with annular casing, fan-shaped casing also can be the connection pad of segmentation, can be according to the needs of difference, and two or more fan-shaped casings are connected simultaneously to connection pad accessible bolt, make the annular appearance of whole stator mechanism of the whole concatenation of a plurality of fan-shaped casings.
The power limiting device comprises a base and a connecting piece II 12, the base is used for supporting the bottom of the stator mechanism, the stator mechanism can be positioned and installed on the surface of the base during installation, one end of the connecting piece II is connected with the stator mechanism, the other end of the connecting piece II is connected with the base, preferably, one end of the connecting piece II is connected with the middle upper portion or the top of the stator mechanism, and the other end of the connecting piece II is connected with the base, so that the stator mechanism is more stable.
In the process of the rotation of the grinding disc, the vibration or the jumping can occur, in order to ensure that the rotor mechanism and the annular stator mechanism roll at the relative positions, a limit rolling device is arranged in a gap between the rotor mechanism and the annular stator mechanism, the limit rolling device keeps the gap between the stator mechanism and the annular rotor mechanism and simultaneously ensures that the annular stator mechanism and the rotor mechanism rotate normally relative to each other, at the moment, the limit rolling device can be arranged between the rotor mechanism and the annular stator mechanism, when the length of the rotary drum is greater than that of the rotor mechanism, the limit rolling device is arranged between the annular stator mechanism and the rotary drum, or the limit rolling device can be arranged between the stator mechanism and the grinding disc, and the three arrangement modes can effectively ensure the gap between the rotor mechanism and the stator mechanism.
The limiting rolling device comprises a rolling body 10 and a retainer 11 for limiting the rolling body, the rolling body rolls between the rotor mechanism and the stator mechanism, between the stator mechanism and the rotary drum or between the stator mechanism and the grinding disc, when the rolling body is between the rotor mechanism and the stator mechanism, an annular groove can be arranged on the surface of the rotor mechanism opposite to the stator mechanism, and the annular groove plays a role in positioning, so that the rolling body rolls in the annular groove; when the rolling body is arranged between the stator mechanism and the rotary drum, an annular groove can be arranged on the opposite surface between the stator mechanism and the rotary drum, and the annular groove plays a role in positioning so that the rolling body rolls in the annular groove; when the rolling body is arranged between the stator mechanism and the grinding roller, an annular groove can be arranged on the opposite surface between the stator mechanism and the grinding roller, and the annular groove plays a positioning role so that the rolling body rolls in the annular groove; the cage ensures the relative position between the rolling bodies as they roll.
The limiting rolling device consists of a roller 13 and a connecting seat which is connected with the roller and provided with a rotating shaft 14, the limiting rolling device can be arranged between the rotor mechanism and the stator mechanism and between the rotor mechanism and the roller or between the rotor mechanism and the grinding roller, when the limiting rolling device is arranged between the rotor mechanism and the stator mechanism, the connecting seat is connected with the rotor mechanism or the stator mechanism, the roller rolls on a mechanism which is not connected with the connecting seat, the specific connecting seat is connected with the rotor mechanism, the roller rolls on the surface of the stator mechanism, the connecting seat is connected with the stator mechanism, and the roller rolls on the surface of the rotor mechanism; when the limiting rolling device is arranged between the rotor mechanism and the roller, the connecting seat is connected with the rotor mechanism or the roller, the roller rolls on a part which is not connected with the connecting seat, and when the limiting rolling device is arranged between the rotor mechanism and the grinding roller, the connecting seat is connected with the rotor mechanism or the grinding disc, and the roller rolls on a mechanism which is not connected with the connecting seat.
The connecting piece II specifically comprises a slow damping device 15, one end of the damping device is connected with the base, the other end of the damping device is connected with the stator mechanism, when the grinding disc rotates, large vibration can be generated and transmitted to the roller, the vibration is sequentially transmitted to the stator mechanism through the rotor mechanism and the roller and transmitted to the power system limiting device through the stator mechanism, at the moment, the damping device is arranged and used for buffering and consuming the amplitude transmitted to the stator mechanism when the roller rotates and releasing the amplitude of the roller, the damping device is a contractible steel wire rope, a spring or a spring damper, one end of each of two ends of the steel wire rope, the spring or the spring damper is connected with the stator mechanism, the other end of each of the two ends of the steel wire rope, the spring or the spring damper is connected with the base, the damping device can be in various forms, and one specific structure of the damping device comprises a buffer cavity 16, Elastic component 17, connecting rod I18 and connecting rod II 19, I one end of connecting rod is hung in the cushion chamber and is gone up the port, and the other end is connected with braced frame, and II one ends of connecting rod are hung in the cushion chamber port down, and the other end is connected with the stator, and II tip of hanging the cushion chamber of connecting rod are provided with the elastic component under the cushion chamber between the port, specific elastic components such as disc spring, block rubber, polytetrafluoroethylene piece are selected to the elastic component, when stator mechanism produces the runout, through the transmission of energy, make II tip tensile or the extrusion elastic component of hanging the cushion chamber of connecting rod, the elastic component and then comes the energy that the consumption vibration produced.
The length adjusting device is arranged between the damping device and the stator mechanism and used for adjusting the tightness of the stator mechanism and the traction buffering mechanism, the length adjusting device comprises an adjusting sleeve 20 and an adjusting nut 21, the adjusting nut is fixed at two ends of the adjusting sleeve, the end part of an adjusting thread of an adjusting rod I arranged on the damping device penetrates through the adjusting nut and extends into the adjusting sleeve, the end part of an adjusting thread on an adjusting rod II arranged at the other end of the adjusting sleeve penetrates through the adjusting nut at the other end of the adjusting sleeve and extends into the adjusting sleeve, and the adjusting thread on the adjusting rod I and the adjusting thread on the adjusting rod II are opposite.
When damping device is wire rope, spring or spring damper, adjust I one end of pole and be connected with wire rope, spring or spring damper's one end, the tip of adjusting the screw thread that the other end of adjusting pole I set up passes adjusting nut and extends to in the adjusting sleeve, adjusts II tip that do not set up adjusting the screw thread and is connected with stator mechanism. The distance between the adjusting rod I and the adjusting rod II can be increased or reduced through the rotating connecting sleeves in different directions, and the effect of adjusting the tightness between the damping device and the motor device is further achieved; when damping device is provided with connecting rod I and connecting rod II, connecting rod I can be connected with the tip that does not set up the condition screw thread on adjusting pole I, perhaps the lower tip of connecting rod I can directly replace adjusting pole I, sets up the regulation screw thread opposite with adjusting pole II regulation screw thread direction at the lower tip of connecting rod I to make the lower tip of connecting rod I pass adjusting nut and extend to in the adjusting collar, adjust the tip that II did not set up the regulation screw thread of pole and be connected with stator mechanism.
While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, the invention further resides in various changes and modifications which fall within the scope of the invention as claimed.
Claims (14)
1. The utility model provides a permanent-magnet machine directly drives vertical mill, includes vertical mill, the driving system and the driving system stop device of drive vertical mill, its characterized in that: the power system is composed of a rotor mechanism and an annular stator mechanism, the rotor mechanism is sleeved inside the annular stator mechanism, the rotor mechanism is annularly arranged on the outer surface of the rotary drum and drives the rotary drum to rotate, the rotary drum is connected with a grinding disc of the vertical grinding machine, the annular stator mechanism is composed of at least one stator mechanism, a base of the power system limiting device is used for supporting the stator mechanism, and the rotary drum is connected with the base through a bearing mechanism so that the rotary drum rotates relative to the base.
2. The permanent magnet motor direct-drive vertical mill according to claim 1, characterized in that: when the number of the stator mechanisms is larger than 1, the stator mechanisms comprise fan-shaped shells and stator cores in the fan-shaped shells, stator windings wound with the cores are arranged on the stator cores, and the fan-shaped shells are integrally spliced into an annular structure.
3. The permanent magnet motor direct-drive vertical mill according to claim 2, characterized in that: the fan-shaped shell is connected with the fan-shaped shell through a connecting piece I.
4. The permanent magnet motor direct drive vertical mill according to claim 1 or 2, characterized in that: the power limiting device comprises a base and a connecting piece II, wherein the base is used for supporting the bottom of the stator mechanism, one end of the connecting piece II is connected with the stator mechanism, and the other end of the connecting piece II is connected with the base.
5. The permanent magnet motor direct-drive vertical mill according to claim 4, characterized in that: and a limiting rolling device is arranged in a gap between the rotor mechanism and the annular stator mechanism, and the limiting rolling device keeps the gap between the stator mechanism and the annular rotor mechanism and simultaneously ensures normal relative rotation between the annular stator mechanism and the rotor mechanism.
6. The permanent magnet motor direct-drive vertical mill according to claim 5, characterized in that: the limiting rolling device comprises a rolling body and a retainer for limiting the rolling body, the rolling body rolls between the rotor mechanism and the stator mechanism, between the stator mechanism and the rotary drum or between the stator mechanism and the grinding roller, annular grooves are formed in the surfaces of the rotor mechanism, the stator mechanism, the rotary drum or the grinding roller which are in contact with the rolling body, and the retainer ensures the relative position between the rolling bodies when the rolling body rolls.
7. The permanent magnet motor direct-drive vertical mill according to claim 5, characterized in that: the limiting rolling device is composed of a roller and a connecting seat which is connected with the roller and provided with a rotating shaft, the limiting rolling device is arranged between the rotor mechanism and the stator mechanism, between the rotor mechanism and the roller or between the rotor mechanism and the grinding roller, when the limiting rolling device is arranged between the rotor mechanism and the stator mechanism, the connecting seat is connected with the rotor mechanism or the stator mechanism, when the limiting rolling device is arranged between the rotor mechanism and the roller, the connecting seat is connected with the rotor mechanism or the roller, when the limiting rolling device is arranged between the rotor mechanism and the grinding roller, the connecting seat is connected with the rotor mechanism or the grinding roller, and the roller rolls when the rotor mechanism and the stator mechanism rotate relatively, so that a gap between the rotor mechanism and the stator mechanism is limited.
8. The permanent magnet motor direct-drive vertical mill according to claim 5, characterized in that: and the connecting piece II specifically comprises a slow damping device, one end of the damping device is connected with the base, and the other end of the damping device is connected with the stator mechanism and is used for buffering and consuming the amplitude transmitted to the stator mechanism when the rotary drum rotates, so that the amplitude of the rotary drum is released.
9. The permanent magnet synchronous motor direct-drive energy-saving ball mill according to claim 8, characterized in that: the damping device is a contractible steel wire rope, a spring or a spring damper, one end of each of two ends of the steel wire rope, the spring or the spring damper is connected with the stator mechanism, and the other end of each of the two ends of the steel wire rope, the spring or the spring damper is connected with the base.
10. The permanent magnet motor direct-drive vertical mill according to claim 8, characterized in that: damping device includes cushion chamber, elastic component, connecting rod I and connecting rod II, I one end of connecting rod is hung in the last port of cushion chamber, and the other end is connected with braced frame, and II one ends of connecting rod are hung in the port under the cushion chamber, and the other end is connected with the stator, and II tip of hanging in the cushion chamber of connecting rod are provided with the elastic component under the cushion chamber between the port.
11. A permanent magnet motor direct drive vertical mill according to claim 8 or 9 or 10, characterized in that: and a length adjusting device is arranged between the damping device and the stator mechanism and is used for adjusting the tightness of the stator mechanism and the traction buffer mechanism.
12. The permanent magnet motor direct drive vertical mill of claim 11, wherein: the length adjusting device comprises an adjusting sleeve and an adjusting nut, the adjusting nut is fixed at two ends of the adjusting sleeve, the end part of an adjusting thread of an adjusting rod I arranged on the damping device penetrates through the adjusting nut and extends into the adjusting sleeve, the end part of an adjusting thread on an adjusting rod II arranged at the other end of the adjusting sleeve penetrates through the adjusting nut at the other end of the adjusting sleeve and extends into the adjusting sleeve, and the adjusting thread on the adjusting rod I and the adjusting thread on the adjusting rod II are opposite.
13. The permanent magnet motor direct-drive vertical mill according to claim 1, characterized in that: the bearing mechanism comprises a positioning bearing and a thrust bearing arranged between the positioning bearing and the base, and the inner ring of the positioning bearing is sleeved on the surface of the rotating drum.
14. The permanent magnet motor direct-drive vertical mill according to claim 1, characterized in that: a magnetism isolating sleeve is arranged between the rotor mechanism and the rotary drum.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021202447195 | 2021-01-28 | ||
| CN2021202459474 | 2021-01-28 | ||
| CN202120245947 | 2021-01-28 | ||
| CN202120244719 | 2021-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112871324A true CN112871324A (en) | 2021-06-01 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120569895.6U Active CN215956192U (en) | 2021-01-28 | 2021-03-20 | Traction cushioning device for connecting stator and stator support |
| CN202110299128.2A Withdrawn CN112871324A (en) | 2021-01-28 | 2021-03-20 | Permanent magnet motor direct-drive vertical mill |
| CN202110299136.7A Pending CN112865401A (en) | 2021-01-28 | 2021-03-20 | Traction cushioning device for connecting stator and stator support |
| CN202120569901.8U Active CN214811362U (en) | 2021-01-28 | 2021-03-20 | Permanent magnet motor direct-drive vertical mill |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120569895.6U Active CN215956192U (en) | 2021-01-28 | 2021-03-20 | Traction cushioning device for connecting stator and stator support |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110299136.7A Pending CN112865401A (en) | 2021-01-28 | 2021-03-20 | Traction cushioning device for connecting stator and stator support |
| CN202120569901.8U Active CN214811362U (en) | 2021-01-28 | 2021-03-20 | Permanent magnet motor direct-drive vertical mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN215956192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751137A (en) * | 2021-10-02 | 2021-12-07 | 河南全新机电设备有限公司 | Permanent magnet motor direct-drive vertical mill with bidirectional load buffer device |
-
2021
- 2021-03-20 CN CN202120569895.6U patent/CN215956192U/en active Active
- 2021-03-20 CN CN202110299128.2A patent/CN112871324A/en not_active Withdrawn
- 2021-03-20 CN CN202110299136.7A patent/CN112865401A/en active Pending
- 2021-03-20 CN CN202120569901.8U patent/CN214811362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751137A (en) * | 2021-10-02 | 2021-12-07 | 河南全新机电设备有限公司 | Permanent magnet motor direct-drive vertical mill with bidirectional load buffer device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112865401A (en) | 2021-05-28 |
| CN215956192U (en) | 2022-03-04 |
| CN214811362U (en) | 2021-11-23 |
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Application publication date: 20210601 |