CN107081712A - Bucket wheel bearing dismounting tool and its method for dismounting - Google Patents
Bucket wheel bearing dismounting tool and its method for dismounting Download PDFInfo
- Publication number
- CN107081712A CN107081712A CN201710538544.7A CN201710538544A CN107081712A CN 107081712 A CN107081712 A CN 107081712A CN 201710538544 A CN201710538544 A CN 201710538544A CN 107081712 A CN107081712 A CN 107081712A
- Authority
- CN
- China
- Prior art keywords
- bearing
- shaft end
- removal part
- jack
- axle
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of bucket wheel bearing dismounting tool and its method for dismounting, include shaft end fixture, bearing removal part, some jack and support bar, shaft end fixture is detachable to be fixed on axle upper end end, through hole is provided with the middle of bearing removal part and is set on axle, through-hole diameter is less than bearing outside diameter and more than taper spacer external diameter, the diameter of shaft end fixture and bearing removal part is all higher than shaft diameter and shaft end fixture and bearing removal part are oppositely arranged side for plane, support bar one end withstands on jack one end, the support bar other end is directly withstood on the fixture underside plan of shaft end, jack other end vertical top is on bearing removal part upper side plane, some jack and support bar are circumferentially set in qually spaced between shaft end fixture and bearing removal part along axle.Economical rationality of the present invention, dismounting work well.
Description
Technical field
The present invention relates to a kind of bearing dismounting tool and its method for dismounting, particularly a kind of bucket wheel bearing dismounting tool and its
Method for dismounting.
Background technology
In bucket-wheel stacker reclaimer, the installation accuracy of bucket wheel bearing is high, and difficulty is big, has hair during once mounting situation not in place
It is raw；Bearing belongs to consumable accessory simultaneously, and the probability of replacing is also very big, so the dismounting of bearing is frequently encountered in the project.Bearing Factory
The hydraulic withdrawal tool of family is sufficiently expensive, and high to dismounting personnel's skill set requirements, and easily bearing and axle surface are produced and damages, draw
The phenomenons such as hair, can face the risk scrapped.This class bearing and axle are all the core component of bucket wheel, and specification is nonstandard, size
Greatly, Purchasing specification is expensive, and procurement cycle is long.The duration of project can be had a strong impact on.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of bucket wheel bearing dismounting tool and its method for dismounting, and it is economical
Rationally, dismounting works well.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of bucket wheel bearing dismounting tool, it is characterised in that：Include shaft end fixture, bearing removal part, some jack and branch
Strut, shaft end fixture detachable be fixed on is provided with through hole in the middle of axle upper end end, bearing removal part and is set in axle
On, through-hole diameter is less than bearing outside diameter and is more than taper spacer external diameter, and the diameter of shaft end fixture and bearing removal part is big
Side is oppositely arranged for plane in shaft diameter and shaft end fixture and bearing removal part, and support bar one end withstands on jack one
End, the support bar other end is directly withstood on the fixture underside plan of shaft end, and jack other end vertical top is on the upside of bearing removal part
In plane, some jack and support bar are circumferentially set in qually spaced between shaft end fixture and bearing removal part along axle.
Further, the circular hole matched with shaft end screw is provided with the shaft end fixture, shaft end fixture passes through spiral shell
Bolt is fixed on shaft end.
Further, it is provided with lifting eye of crane on the upside of the shaft end fixture.
Further, the bearing removal part is made up of sleeve, planar rings and some reinforcements, and planar rings are fixed on sleeve
Upper end and planar rings internal diameter is matched with sleeve diameter, reinforcement is radially arranged along sleeve and is fixed on the outside of sleeve and plane
On the downside of ring, some reinforcements are along the circumferential equidistantly distributed of sleeve.
Further, the jack is 10T jack, and jack uses signal for QLD 10 rotation jack.
A kind of bucket wheel bearing removal method, it is characterised in that comprise the steps of：
Step one：Head removes bearing block, then unclamps locking nut, using the conical surface before bearing inner race and spacer, by axle
The inner ring held unclamps with spacer top；
Step 2：Bearing removal part, which is enclosed on axle, makes bearing removal part side withstand on bearing inner race；
Step 3：Axle is placed vertically, shaft end fixture is bolted on shaft end and will hang axle by crane
Lifting eye of crane on the upside of fixture is held, axle lower end is supported on the ground；
Step 4：Some groups of jack and support bar are arranged between shaft end fixture and bearing removal part and ensure several places thousand
Jin top uniform force；
Step 5：Pressure is steadily slowly applied to jack simultaneously, until bearing's looseness successful disengagement.
Further, it is provided with rubber blanket between the step 3 axis lower end and ground.
Further, some pieces of flitches placed vertically are set on the downside of the step 3 middle (center) bearing.
The present invention compared with prior art, with advantages below and effect：The bucket wheel bearing dismounting tool structure of the present invention
Simply, the raw material used enterprise can gather materials on the spot again, easy to process, with low cost, remove it is easy to operate and
Dismounting works well, and does not damage bearing and axle.
Brief description of the drawings
Fig. 1 is the schematic diagram of the bucket wheel bearing dismounting tool of the present invention.
Fig. 2 is the shaft end fixture top view of the present invention.
Fig. 3 is the schematic diagram of the bearing removal part of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As illustrated, the present invention a kind of bucket wheel bearing dismounting tool, if comprising shaft end fixture 1, bearing removal part 2,
Dry jack 3 and support bar 4, detachable be fixed in the middle of the upper end end of axle 5, bearing removal part 2 of shaft end fixture 1 are provided with
Through hole and it is set on axle 5, through-hole diameter is less than the external diameter of bearing 6 and more than the external diameter of taper spacer 7, the He of shaft end fixture 1
The diameter of bearing removal part 2 is all higher than the diameter of axle 5 and shaft end fixture 1 and bearing removal part 2 are oppositely arranged side for plane,
The one end of support bar 4 withstands on the one end of jack 3, and the other end of support bar 4 is directly withstood on the underside plan of shaft end fixture 1, and jack 3 is another
One end vertical top is on the upper side plane of bearing removal part 2, and some jack 3 and support bar 4 are circumferentially set in qually spaced in axle along axle
Hold between fixture 1 and bearing removal part 2.
The circular hole 8 matched with the end screw of axle 5 is provided with shaft end fixture 1, shaft end fixture 1 is bolted on axle
5 ends.The upside of shaft end fixture 1 is provided with lifting eye of crane 9.
Bearing removal part 2 is made up of sleeve 10, planar rings 11 and some reinforcements 12, and planar rings 11 are fixed on sleeve 10
Hold and the internal diameter of planar rings 11 is matched with the internal diameter of sleeve 10, reinforcement 12 is radially arranged and is fixed on outside sleeve 10 along sleeve 10
Side and the downside of planar rings 11, some reinforcements 12 are along the circumferential equidistantly distributed of sleeve 10.Jack 3 is 10T jack, jack
Signal is used for QLD 10 rotation jack.
A kind of bucket wheel bearing removal method, is comprised the steps of：
Step one：Head removes bearing block, then unclamps locking nut, using the conical surface before the inner ring of bearing 6 and spacer 7, will
The inner ring of bearing unclamps with spacer top；
Step 2：Bearing removal part 2, which is enclosed on axle 5, makes bearing removal part side withstand on the inner ring of bearing 6；Bearing removal part 2 is made
Machined when making using postwelding, it is ensured that the contact surface with bearing is smooth, does not injure bearing；Bearing removal part 2 is interior simultaneously
Footpath needs machining, it is ensured that hole size is more than the external diameter of taper spacer, without impinging on taper spacer during jacking.Such taper spacer
With axle without relative motion, axle will not be injured.
Step 3：Axle 5 is placed vertically, shaft end fixture 1 is bolted on the end of axle 5 and will by crane
Hang lifting eye of crane 9 on the upside of the fixture of shaft end, it is ensured that axle is not toppled over, axle lower end is supported on the ground, ground and rubber before axle
Rubber cushion is protected, it is to avoid direct contact damage axle bottom.
Step 4：Supported in the lower end of bearing with 3 ~ 5 flitch protections, axle is worked as in flitch and bearing lower end interval 2mm gaps
Hold after loosening, directly fall on flitch, directly will not fall on locking nut.From the screw thread without the tight nut of damage lock.If will
Dry group jack 3 and support bar 4 are arranged between shaft end fixture 1 and bearing removal part 2 and ensure that a few place's jack stress are equal
It is even；
Step 5：Pressure is steadily slowly applied to jack simultaneously, until bearing's looseness successful disengagement.When being needed in operating process
Carve and check whether pressure is uniform at three.
Above content described in this specification is only illustration made for the present invention.Technology belonging to of the invention
The technical staff in field can be made various modifications or supplement to described specific embodiment or be substituted using similar mode, only
Will without departing from description of the invention content or surmount scope defined in the claims, all should belong to the present invention guarantor
Protect scope.
Claims (8)
1. a kind of bucket wheel bearing dismounting tool, it is characterised in that：Comprising shaft end fixture, bearing removal part, some jack and
Support bar, shaft end fixture detachable be fixed on is provided with through hole in the middle of axle upper end end, bearing removal part and is set in
On axle, through-hole diameter is less than bearing outside diameter and is more than taper spacer external diameter, and the diameter of shaft end fixture and bearing removal part is equal
Side is oppositely arranged for plane more than shaft diameter and shaft end fixture and bearing removal part, and support bar one end withstands on jack one
End, the support bar other end is directly withstood on the fixture underside plan of shaft end, and jack other end vertical top is on the upside of bearing removal part
In plane, some jack and support bar are circumferentially set in qually spaced between shaft end fixture and bearing removal part along axle.
2. according to the bucket wheel bearing dismounting tool described in claim 1, it is characterised in that：It is provided with and axle on the shaft end fixture
The circular hole of end screw matching, shaft end fixture is bolted on shaft end.
3. according to the bucket wheel bearing dismounting tool described in claim 1 or 2, it is characterised in that：Set on the upside of the shaft end fixture
It is equipped with lifting eye of crane.
4. according to the bucket wheel bearing dismounting tool described in claim 1, it is characterised in that：The bearing removal part is by sleeve, flat
Face ring and some reinforcements are constituted, and planar rings are fixed on sleeve upper end and planar rings internal diameter is matched with sleeve diameter, reinforcement
Be radially arranged along sleeve and be fixed on the outside of sleeve and planar rings on the downside of, some reinforcements are along the circumferential equidistantly distributed of sleeve.
5. according to the bucket wheel bearing dismounting tool described in claim 1, it is characterised in that：The jack is 10T jack, thousand
Jin top uses signal for QLD 10 rotation jack.
6. a kind of bucket wheel bearing removal method, it is characterised in that comprise the steps of：
Step one：Head removes bearing block, then unclamps locking nut, using the conical surface before bearing inner race and spacer, by axle
The inner ring held unclamps with spacer top；
Step 2：Bearing removal part, which is enclosed on axle, makes bearing removal part side withstand on bearing inner race；
Step 3：Axle is placed vertically, shaft end fixture is bolted on shaft end and will hang axle by crane
Lifting eye of crane on the upside of fixture is held, axle lower end is supported on the ground；
Step 4：Some groups of jack and support bar are arranged between shaft end fixture and bearing removal part and ensure several places thousand
Jin top uniform force；
Step 5：Pressure is steadily slowly applied to jack simultaneously, until bearing's looseness successful disengagement.
7. according to the bucket wheel bearing removal method described in claim 6, it is characterised in that：The step 3 axis lower end and ground
Between be provided with rubber blanket.
8. according to the bucket wheel bearing removal method described in claim 6, it is characterised in that：Set on the downside of the step 3 middle (center) bearing
Some pieces of flitches placed vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538544.7A CN107081712A (en) | 2017-07-04 | 2017-07-04 | Bucket wheel bearing dismounting tool and its method for dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538544.7A CN107081712A (en) | 2017-07-04 | 2017-07-04 | Bucket wheel bearing dismounting tool and its method for dismounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107081712A true CN107081712A (en) | 2017-08-22 |
Family
ID=59606932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538544.7A Pending CN107081712A (en) | 2017-07-04 | 2017-07-04 | Bucket wheel bearing dismounting tool and its method for dismounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107081712A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202525A (en) * | 2019-06-28 | 2019-09-06 | 马鞍山钢铁股份有限公司 | A kind of large size bearing nondestructive demounting device and method for dismounting |
| CN110873118A (en) * | 2019-12-29 | 2020-03-10 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Composite thrust tapered roller turntable bearing |
Citations (5)
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| CN201960529U (en) * | 2011-02-15 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Dismounting device for cylinder jacket of engine |
| CN202165460U (en) * | 2011-07-14 | 2012-03-14 | 金真 | Bearing seat for fixing bucket wheel shaft |
| CN204486508U (en) * | 2015-03-12 | 2015-07-22 | 中国人民解放军61330部队 | Adjustable supports formula helicopter metallic oil tank shaping special purpose device |
| JP6041609B2 (en) * | 2012-10-01 | 2016-12-14 | 日新工機株式会社 | Coupling sampling device |
| CN206952896U (en) * | 2017-05-18 | 2018-02-02 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Screw rod large power multifunctional is pulled out to wheel apparatus |
-
2017
- 2017-07-04 CN CN201710538544.7A patent/CN107081712A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201960529U (en) * | 2011-02-15 | 2011-09-07 | 东风朝阳柴油机有限责任公司 | Dismounting device for cylinder jacket of engine |
| CN202165460U (en) * | 2011-07-14 | 2012-03-14 | 金真 | Bearing seat for fixing bucket wheel shaft |
| JP6041609B2 (en) * | 2012-10-01 | 2016-12-14 | 日新工機株式会社 | Coupling sampling device |
| CN204486508U (en) * | 2015-03-12 | 2015-07-22 | 中国人民解放军61330部队 | Adjustable supports formula helicopter metallic oil tank shaping special purpose device |
| CN206952896U (en) * | 2017-05-18 | 2018-02-02 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Screw rod large power multifunctional is pulled out to wheel apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202525A (en) * | 2019-06-28 | 2019-09-06 | 马鞍山钢铁股份有限公司 | A kind of large size bearing nondestructive demounting device and method for dismounting |
| CN110202525B (en) * | 2019-06-28 | 2024-05-03 | 马鞍山钢铁股份有限公司 | Nondestructive dismounting device and dismounting method for large bearing |
| CN110873118A (en) * | 2019-12-29 | 2020-03-10 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Composite thrust tapered roller turntable bearing |
| CN110873118B (en) * | 2019-12-29 | 2023-10-27 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Composite thrust tapered roller turntable bearing |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |