CN113890247A - Permanent-magnet direct-drive device of outer rotor cable winch - Google Patents

Permanent-magnet direct-drive device of outer rotor cable winch Download PDF

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Publication number
CN113890247A
CN113890247A CN202010546141.9A CN202010546141A CN113890247A CN 113890247 A CN113890247 A CN 113890247A CN 202010546141 A CN202010546141 A CN 202010546141A CN 113890247 A CN113890247 A CN 113890247A
Authority
CN
China
Prior art keywords
end bearing
roller
fastened
stator
outer cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010546141.9A
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Chinese (zh)
Inventor
戴大利
熊超
熊麒麟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Dema Frequency Conversion Motor R & D Co ltd
Original Assignee
Chongqing Dema Frequency Conversion Motor R & D Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Dema Frequency Conversion Motor R & D Co ltd filed Critical Chongqing Dema Frequency Conversion Motor R & D Co ltd
Priority to CN202010546141.9A priority Critical patent/CN113890247A/en
Publication of CN113890247A publication Critical patent/CN113890247A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/0004—Control strategies in general, e.g. linear type, e.g. P, PI, PID, using robust control

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The permanent magnetic direct drive device of the outer rotor cable winch is provided; two ends of a roller (9) are respectively positioned with a seam allowance of a rotor outer cover (4) and fastened by bolts, bearing chambers at two ends are respectively matched with a non-outgoing line end bearing (5) and an outgoing line end bearing (6), the middle section of the inner wall of the roller is in bonding fit with magnetic steel (10), two ends and the middle of the outer wall of the roller are respectively provided with 1 rolling wheel disc, and the outer sides of the rolling wheel discs at two ends are respectively provided with 7-13 radial reinforcing ribs; the stator (11) with the winding is a stator outer slot lower line and is in interference fit with the main shaft (12); two end faces are respectively positioned with the rabbet of the supporting seat (2) and fastened with a bolt. The winch has the characteristics of simple structure, small volume, light weight, low noise, high efficiency, energy conservation, ordered cable arrangement, large roller capacity, safe and reliable operation, low operation cost, long service life, convenient use and maintenance, firm base installation, avoidance of winch displacement and overturning and the like.

Description

Permanent-magnet direct-drive device of outer rotor cable winch
Technical Field
The invention relates to a permanent magnet motor, in particular to a winch driving device for a cable or an optical fiber cable.
Background
The traditional cable winch mainly takes a common motor as driving power, and finishes traction and winding a cable by driving a cable winch drum through an elastic coupling, a three-stage closed gear reduction box and a jaw coupling, so that the efficiency is low, the energy consumption is high, the noise is large, and the equipment volume is large; in order to popularize a direct-drive energy-saving motor, the company designs a permanent-magnet direct-drive device special for an outer rotor cable winch.
Disclosure of Invention
The invention aims to provide a special permanent magnetic direct drive device for an outer rotor cable winch, which is characterized in that according to the mechanical characteristics of motor drive, a motor is designed into an outer rotor permanent magnetic motor, a motor rotor shell is taken as a roller, the motor is integrated with an underground crawler, a rope arranger and a control system, and an intelligent display panel is used for carrying out speed control, torque control, safety setting, safety warning, safety protection, equipment state monitoring, fault diagnosis, data query and the like on the whole process of a working condition so as to realize informatization, intellectualization and remote monitoring; the device of the traditional equipment such as a gear, a reduction gearbox, an elastic coupling, a jaw coupling and the like is eliminated, the efficiency is improved by 30 percent, the energy is saved by 40 percent, the service life is prolonged by 50 percent, and the use and the maintenance are more convenient.
The technical scheme adopted by the invention is as follows:
the method comprises the following steps: base, supporting seat, stator outer cover, rotor outer cover, non-outlet end bearing, outlet end bearing and non-outlet
The device comprises a line end bearing block, a line outlet end bearing, a roller, rotor magnetic steel, a stator with a winding, a main shaft and a line pressing clamp.
1. The base is box-shaped, the two ends of the table-board are provided with fastening screw holes which are matched and installed with the supporting seat, and the bottom plate is provided with a fixed installation hole.
2. The support seat is L-shaped, and is provided with a positioning spigot matched with the two ends of the main shaft, a connecting through hole assembled and mounted, and a connecting through hole assembled and mounted with the two ends of the table-board of the base.
3. The stator outer cover is provided with a bearing oil protection groove, and a positioning spigot and a combined installation connecting through hole which are matched with the non-leading-out terminal bearing seat and the leading-out terminal bearing seat are respectively arranged on the stator outer cover.
4. The rotor outer cover is provided with a positioning spigot matched with the two ends of the roller and a combined installation connecting through hole.
5. The non-leading-out end bearing is a cylindrical roller bearing.
6. The outlet end bearing is a double-row centripetal spherical roller bearing.
7. The non-outlet end bearing seat is provided with a bearing position which is matched with the inner circle of the non-outlet end bearing, a bearing oil protection groove, a matching hole which is hot-assembled with the main shaft and a fastening screw hole which is combined and installed with the outer cover of the stator.
8. The outlet end wire outlet seat is provided with a bearing position matched with the inner circle of the outlet end bearing, a bearing oil protection groove, a matching hole hot-assembled with the main shaft, a wire outlet hole provided with a winding lead wire and a fastening screw hole combined with the outer cover of the stator.
9. The two ends of the roller are respectively provided with a positioning spigot matched with the outer cover of the rotor and a matched mounting connecting hole, the two ends are respectively provided with a bearing chamber, the middle section of the inner wall of the roller is provided with a surface-mounted bonding matching position with the magnetic steel, the two ends and the middle of the outer wall are respectively provided with 1 reel disc to form 2 cable reel grooves, and the outer sides of the reel discs at the two ends are respectively provided with 7-13 radial reinforcing ribs.
10. The rotor magnetic steel is provided with an outer arc matching surface which is in adhesive fit with the surface of the middle section of the inner wall of the roller, and the magnetic pole separation surface of the rotor magnetic steel is provided with an insulating processing film.
11. The stator with the windings is provided with the outer coil groove, the outer coil groove is provided with an interference fit hole assembled with the spindle liquid nitrogen freezing combination, and the end parts of the two windings are provided with epoxy heat-conducting silica gel ZB6255 for conducting heat in a sealing contact mode.
12. The main shaft is provided with an interference fit surface cooled by liquid nitrogen with the winding stator, two end surfaces are respectively provided with a positioning spigot matched with the supporting seat, a fastening screw hole and a hoisting hole which are assembled, and the wire outlet position is provided with a fastening screw hole which is assembled with the wire pressing clamp.
13. The wire clamp is of an upper and lower block combined structure, the upper and lower blocks are provided with wire passing grooves and mounting and connecting through holes, and the mounting bottom of the lower block is provided with a mounting matching surface with the main shaft.
The invention is directly driven by the permanent magnet motor special for the outer rotor cable winch, the system control is rapid and accurate, and the invention has the characteristics of simple structure, small volume, light weight, small noise, high efficiency, energy conservation, ordered cable arrangement, large drum capacity, safe and reliable operation, low operation cost, long service life, convenient use and maintenance, firm base installation, avoidance of winch displacement and overturning and the like; through the relation between the tension set value and the variable-frequency torque control, PID control software is established between the tension and the set value, so that the constant tension in the working process is controlled, and the control system can be used as supporting equipment of an intelligent electric control automatic operating line.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the general structure of the present invention;
in the figure: 1-base 2-supporting base 3-stator outer cover 4-rotor outer cover 5-non-leading-out terminal bearing
6-outlet end bearing 7-non-outlet end bearing seat 8-outlet end bearing seat 9-roller
10-rotor magnetic steel 11-stator with winding 12-main shaft 13-wire clamp.
Detailed Description
Referring to fig. 1, the stator comprises a base 1, a support base 2, a front stator outer cover 3, a rear stator outer cover 3, a rotor outer cover 4, a non-leading-out end bearing 5,
The wire-outgoing end bearing comprises a wire-outgoing end bearing seat 6, a non-wire-outgoing end bearing seat 7, a wire-outgoing end bearing seat 8, a roller 9, rotor magnetic steel 10, a winding stator 11, a main shaft 12 and a wire-pressing clamp 13, wherein the two ends of a table top of the base 1 are matched with the supporting seat 2 for installation and bolt fastening, a bottom plate is provided with a fixed installation hole and is formed by casting HT150-200 gray cast iron or welding and processing Q235 steel plates, and the shape and the size of the wire-outgoing end bearing are designed according to requirements; the support seat 2 is positioned and fastened with rabbets at two ends of the main shaft 12, is matched and installed with two ends of the table surface of the base 1 and is fastened with bolts, is formed by casting HT150-200 gray cast iron or welding and processing Q235 steel plates, and is designed according to the shape and size; the stator outer cover 3 is provided with a bearing oil protection groove, is positioned by adopting rabbets of a non-outlet end bearing seat 7 and an outlet end bearing seat 8 and is fastened by bolts, is processed by selecting an HT150-200 gray iron casting or a Q235 steel plate, and is designed according to the shape and the size; the rotor outer cover 4 is respectively positioned and fastened with rabbets at two ends of the roller 8 through bolts, and is formed by processing HT150-200 gray iron castings or Q235 steel plates, and the shape and the size of the rotor outer cover are designed according to requirements; the non-leading-out end bearing 5 is a cylindrical roller bearing and is assembled on a non-leading-out end bearing seat 7, and the specification and model are selected according to the power, rotating speed, torque and working condition requirements of the motor; the leading-out end bearing 6 is a double-row centripetal spherical roller bearing and is assembled on a leading-out end bearing seat 8, and the specification and the model are selected according to the power, the rotating speed, the torque and the working condition requirements of the motor; the non-leading-out end bearing seat 7 and the main shaft 12 adopt a hot sleeve assembly process, the non-leading-out end bearing 5 adopts a hot sleeve assembly process, is positioned with a spigot of the outer stator cover 3 and fastened by a bolt, is processed by 45 steel, and is designed according to the shape and the size; the outlet end bearing seat 8 and the main shaft 12 adopt a hot sleeve assembly process, the outlet end bearing seat 6 adopts a hot sleeve assembly process, the outlet end bearing seat is positioned with a spigot of the outer stator cover 3 and fastened by bolts, the outlet end bearing seat is processed by 45 steel, and the shape and the size of the outlet end bearing seat are designed according to requirements; the roller 9 is positioned at two ends of the roller respectively with a seam allowance of the outer cover 4 of the rotor and is fastened by bolts, bearing chambers at two ends are respectively in sliding fit with a non-leading-out end bearing 5 and a leading-out end bearing 6, two ends and the middle of the outer wall of the roller are respectively provided with 1 reel disc to form 2 cable reel grooves, the outer sides of the reel discs at two ends are respectively provided with 7-13 radial reinforcing ribs, the middle section of the inner wall and the magnetic steel 10 are formed by adopting a matching bonding process and selecting ZG200-400 cast steel for casting, and the shape and the size of the roller are designed according to requirements; the rotor magnetic steel 10 adopts a structure that an outer circular arc is adhered to the surface of the middle section of the inner wall of the roller 9, an insulating processing film is arranged on a magnetic pole separation surface of the rotor magnetic steel, an XGS222/199 or NNF48SH permanent magnet material is selected, and the shape, the size, the magnetizing direction and the number of the permanent magnet materials are designed according to the size of the inner circular arc of the middle section of the roller 9 and the number of poles, the rated power and the rated frequency of a motor; the stator 11 with the windings adopts a stator outer groove coil, is in interference fit with the main shaft 12, is assembled after the main shaft 12 is frozen by liquid nitrogen, the magnetic sheet material of the stator adopts a silicon steel sheet 35W270 or 50W470, the end parts of the two windings are in sealed contact with and conduct heat through epoxy heat conduction silica gel ZB6255, the winding material adopts QP-2/200 corona-proof polyester enameled round copper wire, and the winding data and the electrical distribution of the winding material are designed according to the requirements of the number of poles, rated power and rated frequency of the motor; the main shaft 12 and the stator 11 with windings are in interference fit, the liquid nitrogen is frozen and loaded into the main shaft, two end faces are respectively positioned and fastened with a spigot of the supporting seat 2 by bolts, the main shaft is assembled with a wire clip in a matching way at a specified position of a wire outlet end by screws, the main shaft is formed by hardening and tempering 75 round steel and then processing the hardened material, and the shape and the size of the hardened material are designed according to requirements; the wire clamp 13 is assembled with the outlet end of the main shaft 12 in a regular positioning and positioning manner, is fastened by screws, is made of a silk board or nylon board insulating material, and is designed in shape and size according to the outer diameter and the number of the motor outlet wires.
1. Combining a motor:
a. assembling a stator: referring to fig. 1, firstly, a main shaft 12 is frozen by liquid nitrogen at-180 ℃ to-190 ℃, a winding stator 11 is arranged, the sleeving size is ensured to be in place, the normal temperature is recovered, and a winding lead wire is fixed at a specified position of the main shaft 12 by a wire pressing clamp 13; and respectively hot-mounting the non-outgoing line end bearing seat 7 and the outgoing line end bearing seat 8 at the specified positions of the main shaft 12, recovering to normal temperature, hot-mounting the non-outgoing line end bearing 5 on the bearing position of the non-outgoing line end bearing seat 7, hot-mounting the outgoing line end bearing 6 on the bearing position of the outgoing line end bearing seat 8, and after recovering to normal temperature, penetrating the winding lead out through an outgoing line hole of the outgoing line end bearing seat 8.
b. Assembling a rotor: referring to fig. 1, the magnetic steel is distributed and adhered to the inner wall surface of the roller 9 according to the requirement to set the matching position, and the spare outer ring taken off from the non-leading-out end bearing 5 is pressed into the non-leading-out end bearing chamber of the roller 9.
c. Assembling a motor: referring to fig. 1, a rotor assembly non-leading-out end is vertically and downwards placed on a special tooling bottom ring, an outer ring of a stator assembly non-leading-out end bearing 5 is taken down for assembly, a hanging ring is screwed into a leading-out end hoisting screw hole of a stator assembly main shaft 12, the stator assembly non-leading-out end is vertically and downwards placed into rotor assembly, the outer circle of the leading-out end bearing 6 is in circular contact with a bearing chamber of a roller 9 in rotor assembly, a special tooling sleeve is placed on the end face of an outer ring of the leading-out end bearing 6, the leading-out end bearing 6 is pressed into a specified position of the leading-out end bearing chamber of the roller 9 by a press, a stator outer cover 3 is fastened on a leading-out end bearing seat 7 by bolts, and a rotor outer cover 4 is fastened on a leading-out end of the roller 9; the directions of the non-leading-out end and the leading-out end are changed up and down, the non-leading-out end assembled by the motor is enabled to be vertically upward, then a special tooling sleeve is placed on the end face of the outer ring of the non-leading-out end bearing 5, the outer ring of the non-leading-out end bearing 5 is pressed into the non-leading-out end bearing chamber of the roller 9 by a press machine and is assembled with the inner ring (comprising a retainer and a roller) of the non-leading-out end bearing 5, and then the stator outer cover 3 is fastened on the non-leading-out end bearing block 8 by bolts and the rotor outer cover 4 is fastened on the non-leading-out end of the roller 9.
2. The permanent magnetic direct drive device combination of the outer rotor cable winch comprises:
a. referring to fig. 1, the supporting seat 2 is butted with a non-outgoing line end and an outgoing line end of a main shaft 12 in the assembled motor assembly by spigot positioning and matching respectively, and is fastened by bolts.
b. Referring to fig. 1, the assembled combination in the previous process is placed on the specified position of the table top of the base 1, and the supporting seats 2 are fastened at the two ends of the table top of the base 1 by bolts.

Claims (1)

1. An outer rotor cable winch permanent magnet direct-drive device comprises a base (1), a supporting seat (2), a front stator outer cover and a rear stator outer cover (3), a rotor outer cover (4), a non-wire-outlet end bearing (5), a wire-outlet end bearing (6), a non-wire-outlet end bearing seat (7), a wire-outlet end bearing seat (8), a roller (9), rotor magnetic steel (10), a winding stator (11), a main shaft (12) and a wire pressing clamp (13), and is characterized in that the base (1) is provided with fixed mounting holes, the shape and the size of the fixed mounting holes are designed according to needs, and two ends of a table top are matched with the supporting seat (2) for mounting and fastening bolts; the supporting seat (2) is positioned with rabbets at two ends of the main shaft (12) and fastened by bolts, and is installed and fastened by bolts in a matched manner with two ends of the table top of the base (1), and the shape and the size of the supporting seat are designed according to requirements; the stator outer cover (3) is positioned and fastened by bolts through the non-leading-out terminal bearing seat (7) and the leading-out terminal bearing seat (8), and the shape and the size of the stator outer cover are designed according to requirements; the rotor outer cover (4) is respectively positioned with the rabbets at the two ends of the roller (8) and fastened by bolts, and the shape and the size of the rotor outer cover are designed according to requirements; the non-leading-out end bearing (5) is a cylindrical roller bearing and is assembled on a non-leading-out end bearing seat (7), and the specification and model are selected according to the power, rotating speed, torque and working condition requirements of the motor; the outgoing line end bearing (6) is a double-row centripetal spherical roller bearing and is assembled on an outgoing line end bearing seat (8), and the specification and model are selected according to the power, rotating speed, torque and working condition requirements of the motor; the non-outgoing line end bearing seat (7) and the main shaft (12) adopt a hot sleeve assembly process, the non-outgoing line end bearing (5) adopts a hot sleeve assembly process, and is positioned with a spigot of the stator outer cover (3) and fastened by a bolt, and the shape and the size of the non-outgoing line end bearing seat are designed according to requirements; the outlet end bearing seat (8) and the main shaft (12) adopt a hot sleeve assembly process, the outlet end bearing seat (6) adopts a hot sleeve assembly process, the outlet end bearing seat is positioned with a spigot of the stator outer cover (3) and fastened by a bolt, and the shape and the size of the outlet end bearing seat are designed according to requirements; the roller (9) adopts the two ends to be respectively positioned with the seam allowance of the outer cover (4) of the rotor and fastened by bolts, the bearing chambers at the two ends are respectively in sliding fit with the non-outgoing line end bearing (5) and the outgoing line end bearing (6), two ends and the middle of the outer wall of the roller are respectively provided with 1 rolling wheel disc to form 2 cable rolling grooves, the outer sides of the rolling wheel discs at the two ends are respectively provided with 7-13 radial reinforcing ribs, the middle section of the inner wall and the magnetic steel (10) adopt the matching bonding process, and the shape and the size of the roller are designed according to requirements; the rotor magnetic steel (10) adopts a structure that an outer circular arc is adhered to the surface of the middle section of the inner wall of the roller (9), an insulating processing film is arranged on a magnetic pole separation surface, and the shape, the size, the magnetizing direction and the number are designed according to the size of the inner circle of the middle section of the roller (9) and the requirements of the number of poles, the rated power and the rated frequency of a motor; the stator (11) with the windings adopts a stator outer groove to be inserted and is in interference fit with the main shaft (12), the main shaft (12) is assembled after liquid nitrogen is frozen, the end parts of the two windings are in sealed contact heat conduction through epoxy heat conduction silica gel, and the winding data and the electrical distribution are designed according to the requirements of the pole number, the rated power and the rated frequency of the motor; the main shaft (12) and the stator (11) with the winding adopt interference fit, and adopt the liquid nitrogen freezing and loading process, two end faces are positioned and fastened with the seam allowance of the supporting seat (2) and a bolt respectively, the specified position of the wire outlet end is assembled with a wire clip in a matching way, the bolt is fastened, and the shape and the size are designed according to the requirement; the wire pressing clamp (13) is assembled in a matched mode with the specified position of the wire outlet end of the main shaft (12) and fastened by screws, and the shape and the size of the wire pressing clamp are designed according to the outer diameter and the number of the outgoing wires of the motor.
CN202010546141.9A 2020-06-16 2020-06-16 Permanent-magnet direct-drive device of outer rotor cable winch Pending CN113890247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010546141.9A CN113890247A (en) 2020-06-16 2020-06-16 Permanent-magnet direct-drive device of outer rotor cable winch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010546141.9A CN113890247A (en) 2020-06-16 2020-06-16 Permanent-magnet direct-drive device of outer rotor cable winch

Publications (1)

Publication Number Publication Date
CN113890247A true CN113890247A (en) 2022-01-04

Family

ID=79011770

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010546141.9A Pending CN113890247A (en) 2020-06-16 2020-06-16 Permanent-magnet direct-drive device of outer rotor cable winch

Country Status (1)

Country Link
CN (1) CN113890247A (en)

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