CN210558908U - MW-level permanent magnet direct-drive generator bearing assembly tool - Google Patents

MW-level permanent magnet direct-drive generator bearing assembly tool Download PDF

Info

Publication number
CN210558908U
CN210558908U CN201921354757.5U CN201921354757U CN210558908U CN 210558908 U CN210558908 U CN 210558908U CN 201921354757 U CN201921354757 U CN 201921354757U CN 210558908 U CN210558908 U CN 210558908U
Authority
CN
China
Prior art keywords
connecting rod
special
chuck
crank
shaped crank
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.)
Active
Application number
CN201921354757.5U
Other languages
Chinese (zh)
Inventor
王波
郭志成
汤兰海
许军
张小攀
吴宗伦
王建潭
张玖昌
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.)
Hami CRRC New Energy Motor Co Ltd
Original Assignee
Hami CRRC New Energy Motor 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 Hami CRRC New Energy Motor Co Ltd filed Critical Hami CRRC New Energy Motor Co Ltd
Priority to CN201921354757.5U priority Critical patent/CN210558908U/en
Application granted granted Critical
Publication of CN210558908U publication Critical patent/CN210558908U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mounting Of Bearings Or Others (AREA)

Abstract

A MW-level permanent magnet direct-drive generator bearing assembly tool comprises a hanging rod, a connecting rod, a special-shaped crank and a chuck, wherein a hanging ring is arranged on the upper surface of the hanging rod, a connecting rod mounting seat is arranged at the lower end of the hanging ring, a connecting seat is arranged on the outer cylindrical surface of the hanging rod, one end of the connecting rod is connected with the connecting rod mounting seat, the other end of the connecting rod is connected with one end of the special-shaped crank, the middle part of the special-shaped crank is connected with the connecting seat, the other end of the special-shaped crank is connected with the chuck, three threaded holes; the utility model discloses an advantage carries out integral assembly to the bearing, has simplified the process steps of bearing assembly, and assembly efficiency improves greatly.

Description

MW-level permanent magnet direct-drive generator bearing assembly tool
Technical Field
The utility model belongs to the technical field of the bearing assembly, a assembly fixture is related to, especially, relate to a MW level permanent magnetism direct drive generator bearing assembly fixture.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. At present, the permanent magnet direct drive generator of megawatt level has the disadvantages that the bearings are large bearings, the assembly steps are more complicated, and the efficiency is lower. Most of the existing bearing assembly methods are a step-by-step assembly method, wherein an outer ring (or an inner ring) of a bearing is assembled in advance, and then the inner ring (or the outer ring) is assembled.
In order to improve the efficiency of the bearing assembly of the MW-level permanent magnet direct-drive generator, people need a tool capable of realizing the integral assembly of the bearing, so that the requirements of production and life are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of existence among the prior art, provide a MW level permanent magnetism direct drive generator bearing assembly fixture, have the advantage that assembly efficiency is high.
The purpose of the utility model is realized like this: the utility model provides a MW level permanent magnetism direct drive generator bearing assembly fixture, including the jib, the connecting rod, special-shaped crank, the chuck, the jib upper surface is provided with rings, the rings lower extreme is provided with the connecting rod mount pad, be provided with the connecting seat on the outer face of cylinder of jib, the one end and the connecting rod mount pad of connecting rod are connected, the other end and the articulate one end of special-shaped of connecting rod are connected, special-shaped crank middle part is connected with the connecting seat, special-shaped articulate other end and chuck are connected, circumference equidistance is provided with three screw hole on the face of cylinder of connecting seat.
Preferably, the connecting rod and the connecting rod mounting seat, the connecting rod and the special-shaped crank, the special-shaped crank and the connecting seat, and the special-shaped crank and the chuck are connected through bolts and nuts.
Preferably, the surface of the chuck is provided with a nylon plate.
The utility model has the advantages that:
1. the bearing is integrally assembled, so that the process steps of bearing assembly are simplified, and the assembly efficiency is greatly improved.
2. Connecting rod, special-shaped crank, connecting seat, chuck have constituted a slider-crank mechanism, the three slider-crank mechanism of the even distribution of MW level permanent magnetism direct drive generator bearing assembly fixture circumference for three chuck radially produces even clamping-force, realizes the centre gripping to the bearing, and can guarantee the dead weight auto-lock, ensures the security of assembling process.
Drawings
Fig. 1 is a front view of a MW-level permanent magnet direct-drive generator bearing assembly tool.
Fig. 2 is a top view of a MW grade permanent magnet direct drive generator bearing assembly tool.
1. The lifting rod 2, the connecting rod 3, the special-shaped crank 4, the clamping head 5, the lifting ring 6, the connecting rod mounting seat 7, the connecting seat 8, the connecting rod mounting surface 9, the nylon plate 10 and the lifting screw.
Detailed Description
Embodiment 1, as shown in fig. 1 and 2, a MW-level permanent magnet direct drive generator bearing assembly tool includes a suspension rod 1, a connecting rod 2, a special-shaped crank 3, and a chuck 4, wherein a suspension ring 5 is disposed on the upper surface of the suspension rod 1, the suspension ring 5 is disposed for facilitating operation by using a gantry crane, a connecting rod mounting seat 6 is disposed at the lower end of the outer surface of the suspension ring 5, a connecting seat 7 is disposed on the outer cylindrical surface of the suspension rod 1, the connecting seat 7 can move up and down on the suspension rod 1, the upper end of the connecting rod 2 is connected with the connecting rod mounting seat 6 through a bolt, three connecting rod mounting surfaces 8 are circumferentially and equidistantly distributed on the connecting rod mounting seat 6, a through hole is processed in the middle of each connecting rod mounting surface 8, through holes are also processed at the upper end and the lower end of the connecting rod 2, the connecting rod 2 is composed of two steel plates, the link 2 is connected to the link mounting surface 8. The lower extreme of connecting rod 2 and the upper end of dysmorphism crank 3 are connected through the bolt, and the upper end, the lower extreme and the middle part of dysmorphism crank 3 all process and have the through-hole, and the upper end of dysmorphism crank 3 is pressed from both sides to two steel sheet lower extremes that constitute connecting rod 2, and the bolt passes the through-hole of connecting rod 2 lower extreme and the through-hole of dysmorphism crank 3 upper end, links together connecting rod 2 and dysmorphism crank 3. The middle part of the special-shaped crank 3 is connected with the connecting seat 7 through a bolt, the bolt connects the special-shaped crank 3 with the connecting seat 7 through a through hole in the middle part of the special-shaped crank 3, the lower end of the special-shaped crank 3 is connected with the chuck 4 through a bolt, the bolt penetrates through the through hole in the lower end of the special-shaped crank 3 to connect the special-shaped crank 3 with the chuck 4, the chuck 4 is allowed to swing within +/-5 degrees, the chuck 4 with a swing angle can better clamp a bearing, the nylon plate 9 is arranged on the surface of the chuck 4, the nylon plate 9 can increase the friction force between a MW-level permanent magnet direct-drive generator bearing assembly tool and a bearing inner ring, the nylon plate 9 has excellent permanent magnet wear resistance and can prolong the service life of the chuck 4, three threaded holes are circumferentially arranged on the cylindrical surface of the connecting seat 7 at equal intervals, lifting screws 10 are arranged in the threaded holes, and the lifting screws 10 are used for utilizing a portal crane to directly And hoisting the generator bearing assembly tool. The connecting rod 2 and the connecting rod mounting seat 6, the connecting rod 2 and the special-shaped crank 3, the special-shaped crank 3 and the connecting seat 7, and the special-shaped crank 3 and the chuck 4 are connected through bolts and nuts, circular washers are arranged on the inner sides of the two connected ends, all required bolts are the same as the nut in specification, accurate calculation is carried out on bearings hoisted according to requirements, the specifications of the bolts and the nuts are finally determined, and the hoisting safety requirements are met. Preferably, the bolt specification is M16 × 5. The utility model discloses a connecting rod 2, special-shaped crank 3, connecting seat 7, chuck 4 have constituted a simple slider-crank mechanism, through the form that three slider-crank mechanism circumference equidistance was arranged, when the vertical bearing that hangs, jib 1 upwards slides, drives the crank link mechanism motion for three chuck 4 of circumference is along radially opening, comes centre gripping bearing inner circle, and realizes the dead weight auto-lock of bearing hoist and mount. After 4 centre gripping bearings of chuck, under the dead weight of bearing, pulling connecting seat 7 downstream for connecting rod mount pad 6 is 7 rebound relatively, makes connecting rod 2 rotate to jib 1 direction, thereby drives special-shaped crank 3 and rotates to jib 1 direction, makes chuck 4 outwards strut towards the direction that deviates from jib 1, finally realizes the dead weight auto-lock of bearing hoist and mount, ensures the security of hoist and mount process.
The utility model discloses when using:
1. before operation, the MW-level permanent magnet direct-drive generator bearing assembly tool is hoisted to the axis position of the bearing inner ring by using a gantry crane, and then a hoisting ring at the top of a hoisting rod is hoisted, so that the bearing inner ring is clamped by three chucks.
2. And hoisting the bearing to the position right above the shaft to be mounted, and slowly lowering the bearing to enable the bearing to be coaxial with the mounting surface of the shaft. And continuing to slowly drop the bearing, and rotating the bearing while dropping until the bearing is installed in place.
3. The hoisting ring at the top of the hoisting rod is lightly knocked to separate the chuck from the bearing inner ring, then a hoisting screw of the MW-level permanent magnet direct-drive generator bearing assembly tool is hoisted, and the MW-level permanent magnet direct-drive generator bearing assembly tool is hoisted away from the assembly area until the bearing assembly is finished.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (3)

1. The utility model provides a MW level permanent magnetism direct-driven generator bearing assembly fixture, includes jib (1), connecting rod (2), special-shaped crank (3), chuck (4), its characterized in that: the jib upper surface is provided with rings (5), rings (5) lower extreme is provided with connecting rod mount pad (6), be provided with connecting seat (7) on jib (1) outer face of cylinder, the one end and the connecting rod mount pad (6) of connecting rod (2) are connected, the other end and the one end of dysmorphism crank (3) of connecting rod (2) are connected, dysmorphism crank (3) middle part is connected with connecting seat (7), the other end and chuck (4) of dysmorphism crank (3) are connected, circumference equidistance is provided with three screw hole on the face of cylinder of connecting seat (7), threaded hole is provided with and lifts by crane screw (10).
2. The MW-level permanent magnet direct-drive generator bearing assembling tool of claim 1, characterized in that: the connecting rod (2) is connected with the connecting rod mounting seat (6), the connecting rod (2) is connected with the special-shaped crank (3), the special-shaped crank (3) is connected with the connecting seat (7), and the special-shaped crank (3) is connected with the chuck (4) through bolts and nuts.
3. The MW-level permanent magnet direct-drive generator bearing assembling tool of claim 1, characterized in that: the surface of the chuck (4) is provided with a nylon plate (9).
CN201921354757.5U 2019-08-20 2019-08-20 MW-level permanent magnet direct-drive generator bearing assembly tool Active CN210558908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921354757.5U CN210558908U (en) 2019-08-20 2019-08-20 MW-level permanent magnet direct-drive generator bearing assembly tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921354757.5U CN210558908U (en) 2019-08-20 2019-08-20 MW-level permanent magnet direct-drive generator bearing assembly tool

Publications (1)

Publication Number Publication Date
CN210558908U true CN210558908U (en) 2020-05-19

Family

ID=70672951

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921354757.5U Active CN210558908U (en) 2019-08-20 2019-08-20 MW-level permanent magnet direct-drive generator bearing assembly tool

Country Status (1)

Country Link
CN (1) CN210558908U (en)

Similar Documents

Publication Publication Date Title
CN115465768B (en) Large-scale bearing hoisting device
CN202880674U (en) Rotatable lifting hook assembly
CN205187730U (en) Electric power angle -steel tower is with supplementary hoisting device
CN210558908U (en) MW-level permanent magnet direct-drive generator bearing assembly tool
CN210884876U (en) Hoisting tool for marine low-speed diesel engine cylinder liner
CN203690797U (en) Cross arm side clamp used for insulator chain maintenance
CN215287725U (en) Movable pulley block assembling device of bridge crane
CN211614977U (en) Automatic centering and clamping machining tool for rotary workpieces
CN213356680U (en) Self-rotation-preventing lifting hook of crane
CN201665483U (en) Hoisting rack
CN210678558U (en) Bearing is overhauld and is used bearing dismounting device
CN202785289U (en) Three-jaw large bearing outer ring grasping and lifting device
CN213923761U (en) Special lifting tool for adjustable stator
CN215558526U (en) Mould crane
CN215831093U (en) UB-1B7 cun pulley
CN217413847U (en) Disassembly tool for guide vane shaft head
CN110630445A (en) Permanent magnet direct-drive wind driven generator and assembly method thereof
CN218472620U (en) Electric swing mechanism for holding pole
CN215439324U (en) Hoisting tool for connecting rod of WINGD type marine diesel engine
CN103879888A (en) Lifting balance device
CN219058259U (en) Special lifting appliance for horizontal assembly test of shield segment
CN214828357U (en) Hanging mechanism of electric tightening machine
CN208869140U (en) A kind of wheel hub structure for mine hoist head sheave
CN216638762U (en) Movable pulley block structure suitable for large-angle diagonal-pulling working condition gantry hoist
CN212050145U (en) Horizontal tail rotary hanger for airplane

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant