CN110886789A - Slewing bearing assembling method - Google Patents

Slewing bearing assembling method Download PDF

Info

Publication number
CN110886789A
CN110886789A CN201911202249.XA CN201911202249A CN110886789A CN 110886789 A CN110886789 A CN 110886789A CN 201911202249 A CN201911202249 A CN 201911202249A CN 110886789 A CN110886789 A CN 110886789A
Authority
CN
China
Prior art keywords
slewing bearing
hole
guide
slewing
rotary
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
CN201911202249.XA
Other languages
Chinese (zh)
Inventor
王立强
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.)
Ma'anshan Bochuang Slewing Ring Co Ltd
Original Assignee
Ma'anshan Bochuang Slewing Ring 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 Ma'anshan Bochuang Slewing Ring Co Ltd filed Critical Ma'anshan Bochuang Slewing Ring Co Ltd
Priority to CN201911202249.XA priority Critical patent/CN110886789A/en
Publication of CN110886789A publication Critical patent/CN110886789A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing

Abstract

The invention discloses a slewing bearing assembly method, which comprises the following steps: arranging a first positioning pin hole and a first guide hole on the slewing bearing, and fixing an inner ring of the slewing bearing on the chassis; installing a positioning pin in the first positioning pin hole; a second positioning pin hole and a second guide hole are formed in the rotary platform; hoisting the rotary platform above the rotary support; installing a guide pin in the second guide hole, and enabling the guide pin to face the slewing bearing; lowering the rotary platform, and adjusting the direction of the rotary platform to enable the guide pin to be inserted into the first guide hole; continuously lowering the rotary platform to the bottom surface of the gear below the rotary speed reducer to be close to the upper end surface of the gear of the rotary support; adjusting a gear below the rotary speed reducer to a position convenient for meshing by using an adjusting hook; continuing to lower the rotary platform until the positioning pin is inserted into the second positioning pin hole; the guide pin is removed and the fixing bolt is installed. To improve assembly efficiency.

Description

Slewing bearing assembling method
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a slewing bearing assembling method.
Background
The slewing bearing is a novel mechanical part, which is composed of an inner ring, an outer ring, a rolling body and the like, is a large bearing capable of bearing comprehensive loads and can simultaneously bear larger axial and radial loads and overturning moments. When the slewing bearing is installed, the slewing bearing needs to be installed on a chassis, a slewing platform is hoisted and slowly falls down, the meshing condition between a pinion and a gearwheel at the moment is observed, if the meshing condition is improper, the platform is lifted, the pinion is shifted, then the slewing platform continuously falls down, sometimes, the assembly can be successfully completed through multiple times of adjustment, or the slewing bearing is installed on the chassis, then the slewing bearing is directly positioned by a pin on the outer ring of the slewing bearing to determine the position of the slewing bearing, then the slewing reducer is hoisted to be installed, but because the gear of the slewing reducer is not easily adjusted through meshing with the gear of the slewing bearing, a large amount of time can be wasted in adjusting the angle of the pinion.
Therefore, it is desirable to develop a slewing bearing assembly method that allows gears to mesh quickly, and is safe and efficient.
Disclosure of Invention
The invention aims to provide a slewing bearing assembling method which enables gears to be meshed quickly, and is safe and efficient.
In order to achieve the above object, the present invention provides a slewing bearing assembling method, comprising the steps of:
1) arranging a first positioning pin hole and a first guide hole on the slewing bearing, and fixing an inner ring of the slewing bearing on the chassis;
2) mounting a locating pin in the first locating pin hole;
3) a second positioning pin hole and a second guide hole are formed in the rotary platform;
4) hoisting a rotary platform above the rotary support;
5) mounting a guide pin to the second guide hole and directing the guide pin toward the slewing bearing;
6) lowering a rotary platform, and adjusting the direction of the rotary platform to enable the guide pin to be inserted into the first guide hole;
7) continuously lowering the rotary platform to the bottom surface of the gear below the rotary speed reducer to be close to the upper end surface of the gear of the rotary support;
8) adjusting a gear below the rotary speed reducer to a position convenient for meshing by using an adjusting hook;
9) continuing to lower the rotary platform until the positioning pin is inserted into the second positioning pin hole;
10) the guide pin is removed and the fixing bolt is installed.
Preferably, one end of the guide pin is in threaded connection with the second guide hole, and the first guide hole is a smooth hole and has a diameter larger than that of the guide pin.
Preferably, the other end of the guide pin is tapered.
Preferably, the other end of the guide pin is provided with a through hole, and the axis of the through hole is perpendicular to the axis of the guide pin.
Preferably, the guide pin is larger than the thickness of the slewing bearing.
Preferably, the adjustment hook comprises a semi-annular head and a rod, a clamping portion is arranged at the end of the semi-annular head, the inner diameter of the semi-annular head is matched with the outer diameter of a gear below the rotary speed reducer, and the clamping portion can be inserted between two adjacent gear teeth of the gear below the rotary speed reducer.
Preferably, the rotary speed reducer is assembled on the rotary platform by bolts and washers.
Preferably, the slewing bearing inner ring is fixed on the chassis by adopting a bolt and a washer in a matching way.
Preferably, after the guide pin is screwed out, the slewing bearing and the slewing platform are fixed together through a bolt and a washer.
The invention has the beneficial effects that: when the large-scale slewing bearing is assembled, the holes between the slewing bearing and the slewing platform can be quickly aligned, and the angle of the gear of the slewing reducer can be quickly adjusted, so that the large-scale slewing bearing can be quickly assembled.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic view of an adjustment hook according to an embodiment of the invention.
Description of reference numerals:
1. a semi-annular head; 2. a rod portion; 3. a clamping part.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The invention provides a slewing bearing assembly method, which comprises the following steps:
1) arranging a first positioning pin hole and a first guide hole on the slewing bearing, and fixing an inner ring of the slewing bearing on the chassis;
2) installing a positioning pin in the first positioning pin hole;
3) a second positioning pin hole and a second guide hole are formed in the rotary platform;
4) hoisting the rotary platform above the rotary support;
5) installing a guide pin in the second guide hole, and enabling the guide pin to face the slewing bearing;
6) lowering the rotary platform, and adjusting the direction of the rotary platform to enable the guide pin to be inserted into the first guide hole;
7) continuously lowering the rotary platform to the bottom surface of the gear below the rotary speed reducer to be close to the upper end surface of the gear of the rotary support;
8) adjusting a gear below the rotary speed reducer to a position convenient for meshing by using an adjusting hook;
9) continuing to lower the rotary platform until the positioning pin is inserted into the second positioning pin hole;
10) the guide pin is removed and the fixing bolt is installed.
Particularly, when the large-scale slewing bearing is assembled, the hole between the slewing bearing and the slewing platform can be quickly aligned, and the angle of the gear of the slewing reducer can be quickly adjusted, so that the large-scale slewing bearing can be quickly assembled.
Preferably, one end of the guide pin is in threaded connection with the second guide hole, and the first guide hole is a smooth hole and is larger than the guide pin in diameter.
Preferably, the other end of the guide pin is tapered.
Preferably, the other end of the guide pin is provided with a through hole, and the axis of the through hole is perpendicular to the axis of the guide pin.
Preferably, the guide pin is larger than the thickness of the slewing bearing.
As preferred scheme, the adjustment is colluded including semi-annular head and pole portion, and the tip of semi-annular head is equipped with joint portion, and the internal diameter of semi-annular head agrees with the external diameter of the gear of rotary reducer below, and joint portion can insert between two adjacent teeth of a cogwheel of the gear of rotary reducer below.
Specifically, the length of the rod part is sufficient to ensure that the arm does not enter the lower part of the rotary speed reducer.
Preferably, the rotary speed reducer is assembled on the rotary platform by bolts and washers.
Preferably, the inner ring of the slewing bearing is fixed on the chassis by adopting a bolt and a washer in a matching way.
Preferably, after the guide pin is screwed out, the slewing bearing and the slewing platform are fixed together through a bolt and a washer.
Examples
Fig. 1 shows a schematic view of an adjustment hook according to the present embodiment.
As shown in fig. 1, the slewing bearing assembling method includes the steps of:
1) arranging a first positioning pin hole and a first guide hole on the slewing bearing, wherein the first guide hole is a unthreaded hole and fixes the inner ring of the slewing bearing on the chassis;
2) installing a positioning pin in the first positioning pin hole;
3) a second positioning pin hole and a second guide hole are formed in the rotary platform;
4) hoisting the rotary platform above the rotary support;
5) installing a guide pin in the second guide hole through threads, and enabling the conical end of the guide pin to face the slewing bearing;
6) lowering the rotary platform, and adjusting the direction of the rotary platform to enable the guide pin to be inserted into the first guide hole;
7) continuously lowering the rotary platform to the bottom surface of the gear below the rotary speed reducer to be close to the upper end surface of the gear of the rotary support;
8) adjusting a gear below the rotary speed reducer to a position convenient for meshing by using an adjusting hook;
9) continuing to lower the rotary platform until the positioning pin is inserted into the second positioning pin hole;
10) and screwing out the guide pin, and fixing the slewing bearing and the slewing platform together through a bolt and a washer.
The tapered end of the guide pin is provided with a through hole, and the axis of the through hole is perpendicular to the axis of the guide pin and used for inserting the rotating rod so as to facilitate screwing out of the guide pin.
The guide pin is larger than the thickness of the slewing bearing, and the diameter of the first guide hole is larger than that of the guide pin.
Wherein, the adjustment is colluded including semi-annular head and pole portion, and the tip of semi-annular head is equipped with joint portion, and the internal diameter of semi-annular head agrees with the external diameter of the gear of gyration speed reducer below, and joint portion can insert between two adjacent teeth of a cogwheel of the gear of gyration speed reducer below.
The rotary speed reducer is assembled on the rotary platform through bolts and gaskets, and the inner ring of the rotary support is fixed on the chassis through the bolts and the gaskets in a matched mode.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (9)

1. A method of assembling a slewing bearing, comprising the steps of:
1) arranging a first positioning pin hole and a first guide hole on the slewing bearing, and fixing an inner ring of the slewing bearing on the chassis;
2) mounting a locating pin in the first locating pin hole;
3) a second positioning pin hole and a second guide hole are formed in the rotary platform;
4) hoisting a rotary platform above the rotary support;
5) mounting a guide pin to the second guide hole and directing the guide pin toward the slewing bearing;
6) lowering a rotary platform, and adjusting the direction of the rotary platform to enable the guide pin to be inserted into the first guide hole;
7) continuously lowering the rotary platform to the bottom surface of the gear below the rotary speed reducer to be close to the upper end surface of the gear of the rotary support;
8) adjusting a gear below the rotary speed reducer to a position convenient for meshing by using an adjusting hook;
9) continuing to lower the rotary platform until the positioning pin is inserted into the second positioning pin hole;
10) the guide pin is removed and the fixing bolt is installed.
2. The slewing bearing assembling method according to claim 1, wherein one end of the guide pin is screwed with the second guide hole, and the first guide hole is a smooth hole and has a diameter larger than that of the guide pin.
3. The slewing bearing assembly method of claim 2, wherein the other end of the guide pin is tapered.
4. The slewing bearing assembling method according to claim 2, wherein the other end of the guide pin is provided with a through hole, and an axis of the through hole is perpendicular to an axis of the guide pin.
5. The slewing bearing assembly method of claim 1, wherein the guide pins are larger than a thickness of the slewing bearing.
6. The slewing bearing assembling method according to claim 1, wherein the adjusting hook comprises a semi-annular head and a rod, a clamping portion is arranged at the end of the semi-annular head, the inner diameter of the semi-annular head is matched with the outer diameter of a gear below the slewing reducer, and the clamping portion can be inserted between two adjacent gear teeth of the gear below the slewing reducer.
7. The method for assembling a slewing bearing according to the claim, wherein the slewing reducer is assembled on the slewing platform by using bolts and washers.
8. The method of assembling a slewing bearing according to claim 1, wherein the inner ring of the slewing bearing is fixed on the chassis by adopting a bolt and a washer in a matching way.
9. The method of assembling a slewing bearing according to claim 1, wherein the slewing bearing is fixed to the slewing platform by bolts and washers after the guide pins are unscrewed.
CN201911202249.XA 2019-11-29 2019-11-29 Slewing bearing assembling method Pending CN110886789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911202249.XA CN110886789A (en) 2019-11-29 2019-11-29 Slewing bearing assembling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911202249.XA CN110886789A (en) 2019-11-29 2019-11-29 Slewing bearing assembling method

Publications (1)

Publication Number Publication Date
CN110886789A true CN110886789A (en) 2020-03-17

Family

ID=69749622

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911202249.XA Pending CN110886789A (en) 2019-11-29 2019-11-29 Slewing bearing assembling method

Country Status (1)

Country Link
CN (1) CN110886789A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922941A (en) * 2021-01-11 2021-06-08 武汉船用机械有限责任公司 Positioning method of slewing bearing

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110370014A (en) * 2019-07-16 2019-10-25 徐州徐工矿业机械有限公司 A kind of large excavator pivoting support guiding assembly method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110370014A (en) * 2019-07-16 2019-10-25 徐州徐工矿业机械有限公司 A kind of large excavator pivoting support guiding assembly method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922941A (en) * 2021-01-11 2021-06-08 武汉船用机械有限责任公司 Positioning method of slewing bearing

Similar Documents

Publication Publication Date Title
CN106904532B (en) A kind of wind turbine gearbox is without outer ring cylinder roller bearing suspender
US10823137B2 (en) Methods and systems for disassembling a pitch bearing from a wind turbine hub
CN110886789A (en) Slewing bearing assembling method
CN105479373B (en) The supporting tool of wind generator unit wheel hub
CN203500245U (en) Self-locking nut for bearing location
CN210423334U (en) A bolt connecting device for bearing cut position
CN201412414Y (en) Locking device of guide sleeve of hydro cylinder
CN110370014A (en) A kind of large excavator pivoting support guiding assembly method
CN206105735U (en) A decomposition device for obturaging disc part
CN210188465U (en) Worn-out bearing position repairing device
CN111422765A (en) Slewing bearing device for hoisting equipment
CN220134410U (en) Eye nut convenient to dismouting
CN206643855U (en) A kind of axle sleeve disassembling fixture
CN207293912U (en) A kind of deep well pump pump housing decomposes and tears axis instrument open
CN206054520U (en) A kind of combination pin of fast changeable
CN208220852U (en) Auxiliary guide is used in the connection of gas-steam combined cycle set mesolow rotor
CN2136109Y (en) Internal jaw for bearing
CN212450387U (en) Slewing bearing device for hoisting equipment
CN205013516U (en) Novel off -centre connects shaft coupling soon
CN218169266U (en) Centering tool for inner gear ring of herringbone gear
CN207728601U (en) A kind of water pump vane coning sleeve
CN216504839U (en) Elastic support shaft tool convenient to disassemble and used for test run
CN201474599U (en) Double-thread fixed-type bearing of screw drill
CN218363332U (en) Auxiliary part for drilling at threaded connection part of spray pipe
CN216199606U (en) Accurate cold-drawn seamless steel tube

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200317

RJ01 Rejection of invention patent application after publication