CN213461424U

CN213461424U - Integrated cable winch permanent magnetic direct-drive device with emergency starting function

Info

Publication number: CN213461424U
Application number: CN202021107246.6U
Authority: CN
Inventors: 戴大利; 熊超; 熊麒麟
Original assignee: Chongqing Dema Frequency Conversion Motor R & D Co ltd
Current assignee: Chongqing Dema Frequency Conversion Motor R & D Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-06-15
Anticipated expiration: 2030-06-16

Abstract

An integrated cable winch permanent magnetic direct drive device with emergency starting is characterized in that two ends of a roller (9) are respectively matched with a seam allowance of a rotor outer cover (4) for positioning and are fastened by bolts, bearing chambers at two ends are respectively in sliding fit with a non-outgoing line end bearing (5) and an outgoing line end bearing (6), the middle section of the inner wall is in surface-mounted fit and bonding with rotor magnetic steel (10), 3 uniformly distributed reel disks are arranged on the outer wall of the integrated cable winch permanent magnetic direct drive device, 7-13 radiation ribs are respectively arranged on the outer sides of the reel disks at the two ends, and straight teeth on the edge of a middle reel disk are meshed with a pinion (13) on a transmission shaft of a standby speed; the stator (11) with the winding adopts a stator outer slot and a stator lower line, and an inner hole is in interference fit with the main shaft (12); the main shaft (12) is in interference fit with an inner hole of the stator (11) with the winding, and is liquid nitrogen-cooled, and two end faces are respectively matched with a spigot of the supporting seat (2) for positioning and are fastened by bolts.

Description

Integrated cable winch permanent magnetic direct-drive device with emergency starting function

Technical Field

The patent of the utility model relates to a permanent-magnet machine, especially cable or optic fibre cable winch drive arrangement.

Background

The traditional cable winch mainly takes a common motor as driving power, and drives a cable winch drum through an elastic coupling, a three-stage closed gear reduction box and a jaw coupling to finish traction and wind a cable, has no emergency starting function, can only stop operation when a cable winch driving motor fails, and has low efficiency, high energy consumption, large noise and large equipment volume; in order to popularize a direct-drive energy-saving motor, the company designs a permanent-magnet direct-drive device special for an outer rotor integrated cable winch and having an emergency starting function.

Disclosure of Invention

The utility model aims at providing a special direct drive device of outer rotor integration cable winch that has emergent start-up, according to motor drive's mechanical characteristics, with the motor design as outer rotor permanent-magnet machine, use motor rotor shell as the cylinder, and through the gear wheel on the drum reel edge and the meshing of speed reducer pinion, when integration cable winch permanent-magnet direct drive device breaks down, start reserve speed reducer drive cylinder and continue the operation, ensure that the work progress goes on smoothly, and through with crawl ware in the pit, rope guide and control system integration, through intelligent display panel, to operating mode overall process speed control, torque control, safety setting, safety warning, safety protection and equipment state monitoring, failure diagnosis and data inquiry etc. realize informationization, intellectuality, remote monitoring; 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 utility model adopts the technical proposal that:

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 wire end bearing block, the wire outlet end bearing, the roller, the rotor magnetic steel, the stator with the winding, the main shaft, the pinion, the standby speed reducer and the wire pressing clamp.

1. The base is provided with two large and small integrated mounting table boards, the two ends of each large table board are provided with fastening screw holes matched with the supporting seat, the small table board is provided with fastening screw holes matched with the standby speed reducer, the bottom plate of the small table board is provided with a fixed mounting hole, the small table board is formed by casting HT150-200 gray cast iron or welding and processing Q235 steel plates, and the shape and the size of the small table board are designed according to requirements.

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 large 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 magnetic steel, the two ends and the middle of the outer wall of the roller are respectively provided with 1 coiling wheel disc to form 2 cable coiling grooves, the outer sides of the coiling wheel discs at the two ends are respectively provided with 7-13 radial reinforcing ribs, and the edge big wheel teeth of the middle coiling wheel disc are meshed with a small gear of a standby speed.

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 pinion is meshed with the gearwheel at the edge of the roller disc.

14. The standby speed reducer is a bipolar cycloidal pinwheel speed reducer.

15. 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 utility model is directly driven by the permanent magnet motor special for the outer rotor integrated cable winch with emergency starting, the system control is fast and accurate, and the large gear on the edge of the roller reel of the outer rotor is meshed with the small gear of the speed reducer, so as to realize the emergency driving of the device, and the device has the characteristics of simple structure, small volume, light weight, small 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, and 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 present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall 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-pinion 14-spare speed reducer 15-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, a pinion 13, a standby speed reducer 14 and a wire pressing clamp 15, wherein the base 1 adopts two large and small integrated table tops, two ends of the large table top are matched with the supporting seat 2 and are fastened by bolts, the small table top is matched with the standby speed reducer 14 and is fastened by bolts, a bottom plate is provided with a fixed mounting hole and is formed by casting HT150-200 gray cast iron or welding and processing a Q235 steel plate, and the shape and; 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 a large table-board 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 the 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 edge big gear teeth of the reel disc at the middle part are meshed with a pinion 13 of a standby speed reducer 14, the middle section of the inner wall and the magnetic steel 10 adopt a matching bonding process and are cast and processed by ZG310-570 cast steel, and the shape and the; 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 pinion 13 and the main shaft of the speed reducer 14 are matched with a flat key to be connected and installed, are meshed with a large gear on the edge of a rolling disc of the roller 9, are cast and processed by ZG310-570 cast steel, and are designed according to the requirements in speed ratio, modulus, tooth number, shape and size; the spare speed reducer 14 is assembled on the small table-board of the base 1, the main shaft of the spare speed reducer is connected and installed with the inner hole of the pinion 13 in a matched flat key manner, a bipolar cycloidal pin gear speed reducer is selected, and the speed ratio, the shaft extension diameter, the modulus, the tooth number, the shape, the size and the output torque of the speed reducer are selected according to requirements; the wire clamp 15 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 15; 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; 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.

2. Take emergent integration cable winch permanent magnetism direct drive device combination that starts:

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 a specified position of the large base table surface of the base 1, and the supporting seat 2 is fastened at two ends of the table surface of the base 1 by bolts.

c. Referring to fig. 1, a standby speed reducer 14 is placed on the table top of a small base of a base 1, a pinion 13 is assembled on a transmission shaft of the standby speed reducer 14 by adopting flat key connection, the pinion 13 is meshed with a large gear on the edge of a rolling wheel disc of a roller 9 in the assembled 2.b.

Claims

1. An integrated cable winch permanent magnetic direct-drive device with emergency starting comprises a base (1), a supporting seat (2), front and rear stator outer covers (3), a rotor outer cover (4), a non-outgoing line end bearing (5), an outgoing line end bearing (6), a non-outgoing line end bearing seat (7), an outgoing line end bearing seat (8), a roller (9), rotor magnetic steel (10), a stator with a winding (11), a main shaft (12), a small gear (13), a standby speed reducer (14) and a wire pressing clamp (15), and is characterized in that the two ends of the large table top are respectively matched and installed with the supporting seat (2) and fastened by bolts, the small table top is matched and installed with the standby speed reducer (14) and fastened by bolts, and a fixed mounting hole is formed in a bottom plate; the supporting seats (2) are respectively matched with and positioned and fastened by bolts at the rabbets at the two ends of the main shaft (12) and respectively matched with and installed and fastened by bolts at the two ends of the large table-board of the base (1); the stator outer cover (3) comprises 2 pieces, which are respectively matched with the stop mouths of a non-outlet end bearing seat (7) and an outlet end bearing seat (8) for positioning and fastened by bolts; the rotor outer cover (4) comprises 2 pieces which are respectively matched with rabbets at two ends of the roller (9) for positioning and fastened by bolts; the non-outgoing line end bearing (5) is a cylindrical roller bearing, and the hot sleeve is assembled on a bearing position of the non-outgoing line end bearing seat (7); the outgoing line end bearing (6) is a double-row centripetal spherical roller bearing, and the hot sleeve is assembled on the bearing position of the outgoing line end bearing seat (8); the non-outgoing line end bearing seat (7) is in interference fit with the main shaft (12) and is assembled in a hot sleeve mode, the bearing position of the non-outgoing line end bearing seat is in sliding fit with the non-outgoing line end bearing (5), and the non-outgoing line end bearing seat is matched with a spigot of the outer stator cover (3) for positioning and is fastened by bolts; the outlet end bearing seat (8) is in interference fit with the main shaft (12) and is assembled in a hot sleeve mode, the bearing position of the outlet end bearing seat is in sliding fit with the outlet end bearing (6), and the outlet end bearing seat is matched with a spigot of the outer stator cover (3) for positioning and is fastened by bolts; two ends of the roller (9) are respectively matched and positioned with a spigot of the rotor outer cover (4) and fastened by bolts, bearing chambers at two ends are respectively in sliding fit with an outer ring of the non-outgoing line end bearing (5) and an outer ring of the outgoing line end bearing (6), and the middle section of the inner wall is in surface-mounted fit and bonding with the rotor magnetic steel (10); 3 coiling wheel discs are uniformly distributed on the outer wall of the cable drum to form 2 cable coiling grooves, 7-13 radial reinforcing ribs are respectively arranged on the outer sides of the coiling wheel discs at two ends, and straight teeth on the edge of the middle coiling wheel disc are meshed with a pinion (13) on a transmission shaft of a standby speed reducer (14); the outer circular arc of the rotor magnetic steel (10) is in surface-mounted fit and bonding with the middle section of the inner wall of the roller (9), and the magnetic pole separation surface is provided with an insulation processing film; the stator (11) with the windings adopts a stator outer slot for inserting the wire, an inner hole is in interference fit with the main shaft (12), and the windings at two ends are in sealing contact with and conduct heat through epoxy heat-conducting silica gel ZB 6255; the main shaft (12) is in interference fit with an inner hole of the stator (11) with the winding, is liquid nitrogen-cooled, is respectively matched and positioned with a spigot of the supporting seat (2) and is fastened by a bolt at two end faces, and is assembled with a wire clip in a matching way at a specified position of a wire outlet end and is fastened by a screw; the pinion (13) is matched with a transmission shaft of a standby speed reducer (14) and is connected and installed in a flat key way and is meshed with straight teeth on the edge of a winding wheel disc in the middle of the roller (9); the standby speed reducer (14) is assembled on the small table surface of the base (1), the transmission shaft of the standby speed reducer is matched with the inner hole of the pinion (13) and is installed in a flat key connection mode, and a bipolar cycloidal pinwheel speed reducer is selected; the wire pressing clamp (15) is matched and assembled with the specified position of the wire outlet end of the main shaft (12) and is fastened by screws.