CN203495586U - Tilting type bearing bush laser repair device - Google Patents
Tilting type bearing bush laser repair device Download PDFInfo
- Publication number
- CN203495586U CN203495586U CN201320616243.9U CN201320616243U CN203495586U CN 203495586 U CN203495586 U CN 203495586U CN 201320616243 U CN201320616243 U CN 201320616243U CN 203495586 U CN203495586 U CN 203495586U
- Authority
- CN
- China
- Prior art keywords
- bearing shell
- bearing
- repair device
- laser repair
- bottom plate
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Laser Beam Processing (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The utility model relates to a tilting type bearing bush laser repair device. The tilting type bearing bush laser repair device comprises a front bottom plate, a rear bottom plate, at least three connection plates and fastening rings, wherein the front bottom plate and the rear bottom plate are of annular structures, the connection plates are connected between the front bottom plate and the rear bottom plate, and the fastening rings are arranged outside the connection plates in a sleeved mode. An arrangement gap for installing a bearing bush is formed between every two adjacent connection plates, rabbets corresponding to rabbets in the backs of the bearing bushes are formed in the front end and the rear end of the arrangement gap, and the width of the arrangement gap is matched with the width of the bearing bushes. The fastening rings are arranged outside the connection plates in the sleeved mode and installed outside the bearing bushes outside the arrangement gaps, and the bearing bushes are fixedly clamped by utilizing fastening bolts to spin the two sides of the backs of the bearing bushes. According to the tilting type bearing bush laser repair device, a plurality of the bearing bushes can be machined at the same time, the process of manual scraping and grinding is eliminated, automatic processing and machining are mainly adopted, the repair efficiency and the machining accuracy are improved, and the shortcomings that the efficiency is low and the quality is unstable in other processes are overcome.
Description
Technical field
The utility model relates to laser repairing process and supports the use equipment, refers in particular to a kind of tilting type bearing bush laser repair device.
Background technology
Tilting-type bearing is mainly comprised of bearing body, two side seals and 3～5 arc tile fragment not etc., and the external diameter of every bearing shell is all less than the internal diameter of bearing body, and tile fragment is uniformly distributed along the surrounding of axle journal, can freely swing around the fulcrum of self separately.When the service conditions such as generating unit speed, load change, tile fragment can freely swing on the supporting surface of bearing body, automatically regulates tile fragment position, forms best lubrication wedge, and high stability is very good, and therefore in high rotating speed compressor apparatus, application is general.Tilting type bearing bush, in unit running process, is affected by the various factors such as oil temperature, oil, vibration, can cause the babbit of bearing shell inwall to occur crackle, wearing and tearing, delamination or scaling loss, affects normal operation and the safety in production of whole unit.
Repair the babbit layer of tilting type bearing bush, mainly contain the method that the techniques such as spraying, built-up welding add artificial scraping grinding replica, but be not suitable for bearing shell babbit layer wound repair in a big way, and remediation efficiency and replica precision lower.And adopt laser melting and coating process to solve the techniques such as built-up welding, spraying in the deficiency of matrix and babbit poor bonding strength, the aspect such as thermal stress is high, repairable return rate is low.
Summary of the invention
The purpose of this utility model is for the shortcoming existing in background technology and problem improvement and bring new ideas in addition, provides a kind of employing to carry out at special tooling the tilting type bearing bush laser repair device that bearing shell processes to repair damage that babbit layer occurs, delamination, cracked, defects i.e.cracks.
The utility model is that the bearing shell of tilting-type bearing is repaired frock, it can synchronously clamp at least two bearing shells and complete turning fatigue layer and the operation of finish turning cladding layer, the noseplate and the rear base plate that comprise circulus, be connected at least three connecting plates between forward and backward base plate, with the dead ring being set in outside connecting plate, wherein:
Adjacent two connecting plates form the placement gap that bearing shell is installed, and the front and back ends in placement gap is provided with watt seam that back of the body seam is corresponding with bearing shell, and width and the bearing shell width of placing gap coincide;
Described dead ring is set in connecting plate and is installed on outside the bearing shell of placing in gap, and fixes clamping bearing shell by watt back of the body both sides that fastening bolt spinning is lived bearing shell.
Advantage of the present utility model and beneficial effect:
The utility model can carry out the laser melting coating repairing of whole area to the babbit layer of tilting type bearing bush, be easy to realize the large-scale production that laser is manufactured again; The utility model special tooling is that tilting type bearing bush laser repair device is realized polylith bearing shell and carried out machining simultaneously, reduced artificial scraping grinding step, the utility model restorative procedure be take automation processing and machining as main, improved remediation efficiency and machining accuracy, solved that other process efficiencies are low, the unsettled deficiency of quality.
Accompanying drawing explanation
Fig. 1 is that the utility model tilting type bearing bush laser repair device is used status architecture schematic diagram.
Fig. 2 is Fig. 1 decomposition texture schematic diagram.
The specific embodiment
From Fig. 1,2, the bearing shell that tilting type bearing bush laser repair device of the present utility model is tilting-type bearing is repaired frock, it can synchronously clamp at least two bearing shells 7 and complete turning fatigue layer and the operation of finish turning cladding layer, the noseplate 1 and the rear base plate 4 that comprise circulus, be connected at least three connecting plates 2 between forward and backward base plate, with the dead ring 10 being set in outside connecting plate 2, wherein:
Adjacent two connecting plates 2 form the placement gap 11 that bearing shell 7 is installed, and the front and back ends in placement gap 11 is provided with watt seam 3 that back of the body seam 5 is corresponding with bearing shell 7, and width and bearing shell 7 width of placing gap 11 coincide;
Described dead ring 10 is set in connecting plate 2 and is installed on outside the bearing shell 7 of placing in gap 11, and by fastening bolt 9, revolves watt back of the body 6 both sides of blocking bearing shell 7 and fix clamping bearing shell 7.
The excircle dimension of seam 3 described in the utility model and a watt inner circle consistent size for back of the body seam 5.The thickness of described connecting plate 2 is less than bearing shell 7 thickness.
The utility model is used as the method for laser repairing, comprises the following steps:
1) select frock, select the excircle dimension of seam and bearing shell to be repaired watt before the measure-alike tilting type bearing bush laser repair device of seam inner circle.
2) clamping bearing shell, take watt back of the body seam and the forward and backward base plate seam of frock is datum level, pack bearing shell into placement gap between connecting plate, then dead ring is enclosed within to connecting plate middle part, the position of adjusting dead ring makes fastening bolt aim at watt back of the body, fastening bolt is screwed to watt back of the body two ends of pushing down each bearing shell through dead ring, bearing shell is fixed tightly in frock.
3) turning fatigue layer, will assemble rear base plate clamping centering on lathe of the frock of bearing shell, the babbit fatigue layer on turning bearing shell surface.
4) carry out nondestructive inspection detection, confirmation bearing shell is treated basic unit's zero defect and the delamination of cladding.
5) laser repairing, utilizes KW level industry numerical control CO
2gas laser and powder feeder, used laser melting and coating process and tin-base babbit powder melting material, repairs piecewise the damage location of bearing shell, forms new babbit; Laser cladding technological parameter in laser repair process is: power 2000W, and spot diameter 3.5mm, hot spot form is circular, sweep speed 20mm/s, focal length 400mm, overlapping rate 20%, puts powder thickness 2.0mm.
6) finish turning cladding layer, presses 1 by the bearing shell by after laser melting coating) clamping is in frock again for one step process, and finish turning cladding layer is to design size or use size.
7) last, the nondestructiving inspecting test after repairing.
Embodiment:
1, prepare frock and assemble bearing shell to be repaired, this frock is comprised of noseplate 1, connecting plate 2, seam 3, rear base plate 4, fastening bolt 9, dead ring 10.The inner circle consistent size of the seam excircle dimension of frock connecting plate 2 both sides noseplates 1, rear base plate 4 and bearing shell watt back of the body seam 5.During clamping, take watt back of the body seam 5 and the forward and backward base plate seam 3 of frock is datum level, pack bearing shell 7 into placement gap 11 between connecting plate 2, then dead ring 10 is enclosed within to connecting plate 2 middle parts, adjust behind the position of dead ring 10, fastening bolt 9 is screwed to watt back of the body 6 two ends of blocking each bearing shell through dead ring 10, bearing shell 7 is fixed tightly in frock.
2, after having assembled, by rear base plate 4 clampings centering on lathe of frock, babbit 8 fatigue layer on turning bearing shell surface.
3, carry out nondestructive inspection detection, confirm to treat basic unit's zero defect and the delamination of cladding.
4, utilize KW level industry numerical control CO
2gas laser and powder feeder, used laser melting and coating process and tin-base babbit powder melting material, repairs piecewise bearing shell damage location.Optimum laser cladding technological parameter is: power 2000W, and spot diameter 3.5mm, hot spot form is circular, sweep speed 20mm/s, focal length 400mm, overlapping rate 20%, puts powder thickness 2.0mm.
5, by the bearing shell after laser melting coating 7, by 1 step mode, clamping is on special tooling again, and finish turning cladding layer is to design size or use size.
6, the nondestructiving inspecting test after repairing.
Embodiment described in the utility model is only the description that preferred embodiment of the present utility model is carried out; not the utility model design and scope are limited; do not departing under the prerequisite of the utility model design philosophy; various modification and improvement that in this area, engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection, is all documented in claims.
Claims (3)
1. a tilting type bearing bush laser repair device, for the bearing shell of tilting-type bearing is repaired frock, it is characterized in that it can synchronously clamp at least two bearing shells (7) and complete turning fatigue layer and the operation of finish turning cladding layer, the noseplate (1) and the rear base plate (4) that comprise circulus, be connected at least three connecting plates (2) between forward and backward base plate, with the dead ring (10) being set in outside connecting plate (2), wherein:
Adjacent two connecting plates (2) form the placement gap (11) that bearing shell (7) is installed, the front and back ends in placement gap (11) is provided with watt seam (3) that back of the body seam (5) is corresponding with bearing shell (7), and width and bearing shell (7) width of placing gap (11) coincide;
Described dead ring (10) is set in connecting plate (2) and is installed on outside the bearing shell (7) of placing in gap (11), and is fixed and clamped bearing shell (7) by watt back of the body (6) both sides that fastening bolt (9) spinning is lived bearing shell (7).
2. tilting type bearing bush laser repair device according to claim 1, is characterized in that the excircle dimension and a watt inner circle consistent size for back of the body seam (5) of described seam (3).
3. tilting type bearing bush laser repair device according to claim 1, is characterized in that the thickness of described connecting plate (2) is less than bearing shell (7) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616243.9U CN203495586U (en) | 2013-10-08 | 2013-10-08 | Tilting type bearing bush laser repair device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616243.9U CN203495586U (en) | 2013-10-08 | 2013-10-08 | Tilting type bearing bush laser repair device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203495586U true CN203495586U (en) | 2014-03-26 |
Family
ID=50326593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320616243.9U Withdrawn - After Issue CN203495586U (en) | 2013-10-08 | 2013-10-08 | Tilting type bearing bush laser repair device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203495586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465062A (en) * | 2013-10-08 | 2013-12-25 | 岳阳大陆激光技术有限公司 | Tilting-type bearing bush laser repair device and laser repair method |
| CN103949614A (en) * | 2014-05-06 | 2014-07-30 | 浙江机电职业技术学院 | Oppositely-open-type radial bearing bush product, and fabrication method and laser re-melting device thereof |
-
2013
- 2013-10-08 CN CN201320616243.9U patent/CN203495586U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465062A (en) * | 2013-10-08 | 2013-12-25 | 岳阳大陆激光技术有限公司 | Tilting-type bearing bush laser repair device and laser repair method |
| CN103465062B (en) * | 2013-10-08 | 2015-08-05 | 岳阳大陆激光技术有限公司 | A kind of tilting type bearing bush laser repair device |
| CN103949614A (en) * | 2014-05-06 | 2014-07-30 | 浙江机电职业技术学院 | Oppositely-open-type radial bearing bush product, and fabrication method and laser re-melting device thereof |
| CN103949614B (en) * | 2014-05-06 | 2015-12-30 | 浙江机电职业技术学院 | The preparation method of the radial bearing shell product of opposite opened |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103465062B (en) | A kind of tilting type bearing bush laser repair device | |
| CN101890610B (en) | Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill | |
| CN103481010B (en) | A kind of full-automatic online cold welding pattching roll squeezer technique | |
| CN106166660B (en) | A kind of smooth shaft wears online renovation technique | |
| CN102728993B (en) | Method for repairing roller sleeve of continuous casting roller | |
| CN102974916B (en) | HP series grinding roller open arc built-up welding slip-off preventing welding method | |
| CN110052728B (en) | Online welding repair method for end cover cracking of large ball mill | |
| CN110421238B (en) | Welding process for butt welding of high-strength barrel | |
| CN102423825A (en) | On-site splicing process of large-sized vacuum flange | |
| CN101885100A (en) | Nickel-chromium-molybdenum alloy automatic surfacing technology for diesel engine cylinder head for ship | |
| CN105965203A (en) | Bearing seat repairing technology of vacuum pump shaft | |
| US9242314B2 (en) | Machining method of welding ear plate on barrel of central cylinder of horizontal preheater | |
| CN102430893A (en) | Manufacturing method of small-inner-diameter hollow spindle | |
| CN105499891A (en) | Mounting assisting device for three-point spherical bearing and mounting-welding method of mounting assisting device | |
| CN113172361B (en) | Method and system for welding and repairing hub of wind generating set | |
| CN110453218A (en) | A kind of restorative procedure of the coalcutter planet carrier based on laser melting coating welding | |
| CN203495586U (en) | Tilting type bearing bush laser repair device | |
| CN105171330B (en) | Chilling ring of gasifying furnace restorative procedure | |
| CN109487265A (en) | A kind of large rotating machinery bearing shell laser broadband scanning process | |
| CN111318781A (en) | Repair process for repairing, welding and reinforcing cracks of engine room chassis of wind generating set | |
| CN110640393B (en) | Welding repair method for heavy gas turbine combustor | |
| CN101804494B (en) | Ultra supercritical Overlaying process for high-medium pressure rotor thrust disk made of 12% Cr steel | |
| CN102284772B (en) | Argon arc back sealing welding method for housing of low-pressure water supply heater of third-generation nuclear power steam turbine | |
| CN205342318U (en) | 3 self -aligning spherical support installation auxiliary device | |
| CN113843576B (en) | Composite repair method for high-temperature alloy casing damage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20150805 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |