CN106925939A - The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle - Google Patents

The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle Download PDF

Info

Publication number
CN106925939A
CN106925939A CN201511019302.4A CN201511019302A CN106925939A CN 106925939 A CN106925939 A CN 106925939A CN 201511019302 A CN201511019302 A CN 201511019302A CN 106925939 A CN106925939 A CN 106925939A
Authority
CN
China
Prior art keywords
gudgeon
online
bag cage
cage shoe
ultrasonic
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
CN201511019302.4A
Other languages
Chinese (zh)
Inventor
倪士军
于敏
陈健
孟繁亮
王盛
苗本松
王文勇
孙继坦
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.)
Laiwu Iron and Steel Group Co Ltd
Original Assignee
Laiwu Iron and Steel Group 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 Laiwu Iron and Steel Group Co Ltd filed Critical Laiwu Iron and Steel Group Co Ltd
Priority to CN201511019302.4A priority Critical patent/CN106925939A/en
Publication of CN106925939A publication Critical patent/CN106925939A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects
    • B23P6/002Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/007Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

The present invention provides a kind of online prosthetic device of bag cage shoe axle, including welder, for carrying out soldering filling to the damaged gudgeon;With ultrasonic impact device, for carrying out ultrasonication at the welding filling to the damaged gudgeon.The scaling loss and micro-crack that gudgeon occurs in the present invention carry out soldering filling, then with ultrasonic impact to being processed at soldering, so as to eliminate the welding stress that gudgeon inside is present, and produce a kind of metal structure for only existing compression, evade the possibility cracked from inside gudgeon, meanwhile, intensity metal structure higher is obtained, extend gudgeon service life.A variety of drawbacks of the replacing gudgeon of prior art presence can be solved, and substantially reduces production cost.The present invention also provides a kind of online restorative procedure of bag cage shoe axle simultaneously.

Description

The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle
Technical field
The invention belongs to metallurgical machinery equipment reparation, the technical field such as remanufacture, specifically, the present invention It is related to the online prosthetic device and online restorative procedure of a kind of bag cage shoe axle.
Background technology
In modern field of metallurgy, in production process accumulating molten steel and molten iron it is most widely used be steel ladle and Hot-metal bottle.In steel ladle and this kind of steel construction Vessel Design of hot-metal bottle and manufacturing process, trunnion configuration is Using the most universal.
Used as the important component of steel construction container hoist tool, gudgeon has for ensureing production safety Highly important meaning, but during handling, gudgeon is subject to shear-type load and temperature field stress for a long time The effect of change, and higher by probability that molten slag corrodes so that gudgeon not still whole steel knot Structure container is mostly important, and is most flimsy part.
Safe status and its particularity of material due to gudgeon, the gudgeon being damaged is not allow to take What other means were repaired, if being repaired, tendency easily is cracked from reparation position, cause Gudgeon is broken, and brings bigger potential safety hazard, to there is damaged gudgeon, can only scrap, or change. Therefore, the operation that steel ladle, hot-metal bottle change gudgeon is frequently encountered in production, due to gudgeon Renewal process Ensure the operation such as coaxial including removing old gudgeon, Boring machine processing gudgeon hole, and new gudgeon manufacturing process is needed By multiple operations such as forging and stamping, machining, quenched, flaw detection, high processing costs, the production cycle is long, make Quantity into online military service bag tank increases, and spare part cost of capital increases.
Repairing the mode of bag cage shoe axle currently on the market has many kinds, and such as applying date is July 12 in 2012 Day, Application No. 201210241614.X, entitled " a kind of restorative procedure for trunnion of converter " Patent document, the restorative procedure includes:1) top chock is pulled down, converter jack-up, and dismounting has been damaged Split bearing and its both sides ball pad;2) inner ring and the ball pad with material hole are assembled;3) along gudgeon Radial direction adjustment inner ring, to ensure that inner ring is positioned at the position with trunnion, then fix inner ring;4) Bonding agent is set and ball pad and inner ring between ball pad and gudgeon, to block between ball pad and gudgeon and Gap between ball pad and inner ring;5) space encircled a city to gudgeon, inner ring and ball pad by above-mentioned material hole Metal repairing agent is inside pumped into, and makes to fill up metal repairing agent in above-mentioned space;6) to the gold in above-mentioned space Category healant is incubated, so that it solidifies.The restorative procedure that the patent document is provided can reduce gudgeon Rehabilitation cost.The patent document is repaired by way of changing, and the patent document is repaiied Compound formula needs multiple operations, directly results in high processing costs, the production cycle is long, cause online bag of being on active service The quantity of tank increases, and spare part cost of capital increases, that is to say, that the patent document can not be substantive It is cost-effective.
By upper analysis, it is known that the gudgeon repair mode of prior art has following characteristics and defect:
1st, the gudgeon cycle is changed long.The gudgeon repair mode of prior art needs multiple working procedure, directly increases Change time of gudgeon.
2nd, holistic cost is high.The gudgeon repair mode of prior art although with it is cost-effective be its purpose, But because the quantity for needing online military service bag tank increases, so being unable to reach the cost-effective effect of essence.
The content of the invention
It is an object of the invention to provide the online prosthetic device and online restorative procedure of a kind of bag cage shoe axle, The problems such as gudgeon cycle is long, holistic cost is high is changed to solve bag tank.
To achieve these goals, the present invention provides following technical scheme:
A kind of online prosthetic device of bag cage shoe axle, including welder, for the damaged gudgeon Carry out soldering filling;With ultrasonic impact device, for being carried out at the welding filling to the damaged gudgeon Ultrasonication.
In the online prosthetic device of above-mentioned bag cage shoe axle, it is preferable that the ultrasonic impact device includes: Ultrasonic impact gun, for carrying out ultrasonication at the welding filling to the damaged gudgeon;And control Case, is connected with the ultrasonic impact gun by cable.
In the online prosthetic device of above-mentioned bag cage shoe axle, it is preferable that the ultrasonic impact device it is super The frequency of acoustic shock treatment is more than 20,000 times per second.
Meanwhile, the present invention also provides a kind of online restorative procedure of bag cage shoe axle, and it is comprised the following steps:
Step one, the method using welding, the scaling loss and micro-crack occurred to the gudgeon carry out soldering and fill out Fill;
Step 2, to carrying out ultrasonic implement treatment at the soldering filling, eliminate the gudgeon inside and exist Welding stress.
In the online restorative procedure of above-mentioned bag cage shoe axle, it is preferable that the frequency of the ultrasonic implement treatment It is more than 20,000 times per second.
In the online restorative procedure of above-mentioned bag cage shoe axle, it is preferable that when carrying out the ultrasonic implement treatment, Also include that butt welding toe position carries out ultrasonic implement treatment.
Analysis understands that method of the present invention using welding, the scaling loss and micro-crack that gudgeon is occurred is welded Filling is mended, then with ultrasonic impact to being processed at soldering, so as to eliminate the welding that gudgeon inside is present Stress, and produce a kind of metal structure for only existing compression, evade cracked from inside gudgeon can Can property, a variety of drawbacks of the replacing gudgeon of prior art presence can be solved, and substantially reduce and be produced into This.Generally, the present invention takes full advantage of the mode that solder technology and ultrasonic impact technology are combined Gudgeon is repaired online, solder technology is combined and the respective advantage of ultrasonic impact technology is right to realize The reparation of gudgeon so that the gudgeon after reparation is not in the problem of welding stress, obtains intensity higher Metal structure, extends gudgeon service life.
Brief description of the drawings
Fig. 1 is the structural representation of the online prosthetic device of the bag cage shoe axle of the preferred embodiment of the present invention.
In figure, 1- bag tanks;2- gudgeons;3- welders;4- ultrasonic impact devices;41- ultrasonic impact guns; 42- control cabinets.
Specific embodiment
The present invention is described in further details with reference to specific embodiment.
It is long for the replacing cycle of gudgeon 2 of the bag such as steel ladle, hot-metal bottle tank 1, the present situation of production is restricted, this Invention provides a kind of online prosthetic device of bag cage shoe axle, and it mainly includes welder 3, for right Damaged gudgeon 2 carries out soldering filling;With ultrasonic impact device 4, for the weldering to damaged gudgeon 2 Connecing carries out ultrasonication at filling.
Specifically, the online prosthetic device of the bag cage shoe axle that the present invention is provided, needs to repair in discovery gudgeon When multiple, the scaling loss and micro-crack first occurred to gudgeon 2 by welder 3 carry out soldering filling;In weldering After benefit, can there is welding stress in the inside of gudgeon 2, may result in the inside of gudgeon 2 there may be splitting Ultrasonication is carried out at line, then welding filling by ultrasonic impact device 4 to gudgeon 2 and eliminates gudgeon The welding stress that 2 inside are present, produces a kind of metal structure for only existing compression, has evaded from gudgeon 2 The possibility that cracks of inside, obtain intensity metal structure higher;A kind of height can so be obtained Intensity, the welded joint structure of high pressure stress effect, make gudgeon 2 occur to break by being cracked after reparation The risk split levels off to zero, effectively extends the service life of bag cage shoe axle, greatly reduces production cost.
In the present invention, as shown in figure 1, ultrasonic impact device 4 includes ultrasonic impact gun 41, for right Ultrasonication is carried out at the welding filling of damaged gudgeon 2;With control cabinet 42, with ultrasonic impact gun 41 It is connected by cable.
In order to carry out effective ultrasonication, ultrasound of the invention at the welding filling to gudgeon 2 The frequency of the ultrasonic implement treatment of percussion mechanism 4 is at least 20,000 times per second, that is to say, that ultrasonic impact gun The frequency of 41 ultrasonic implement treatment is at least 20,000 times per second.
Meanwhile, present invention also offers a kind of restorative procedure of bag cage shoe axle, it uses the method for welding, The scaling loss and micro-crack occurred to gudgeon carry out soldering filling, and soldering is filled out with ultrasonic impact device 4 then Processed at benefit, eliminated the welding stress that the inside of gudgeon 2 is present, produce one kind to only exist compression Metal structure, it is to avoid the possibility that the inside of gudgeon 2 cracks, while obtaining intensity gold higher Category tissue.
Specifically, it is found that when gudgeon needs to repair, using the method for welding, the burning occurred to gudgeon 2 Damage and micro-crack carries out soldering filling.
To carrying out ultrasonic implement treatment at soldering, it is preferable that the frequency of ultrasonic implement treatment is at least per second 20000 times.The position of ultrasonic implement treatment not only carries out ultrasonically treated, and butt welding to soldering filling part position Toe position is also carried out processing ultrasonic implement treatment.
Research shows why the inside of gudgeon 2 crackle occurs, because the inside of gudgeon 2 is present very Big internal stress, tension is a kind of form of expression of internal stress, when internal tension is more than its material Tensile strength when, gudgeon 2 will be broken, crack.Ultrasonic implement treatment can make metal Top layer produces larger compressive plastic deformation.Meanwhile, ultrasonic impact can change original stress field, produce The beneficial compression of life, not only eliminates the tension inside gudgeon 2, but also produce one kind to be conducive to ear The compression of axle tissue, improves the fatigue behaviour of welding point and structure, the wind for being broken gudgeon 2 Danger substantially reduces.
Ultrasonic impact device category is more, in the present invention, carries out the ultrasonic impact dress of ultrasonic implement treatment Putting 4 should include ultrasonic impact gun 41, control power supply box 42.It utilizes powerful energy to promote ultrasound punching Hit the impact head of rifle 41 and metal object surface impacted with the frequency of more than 20,000 times per second, high frequency, efficiently and The big energy for focusing on makes metal surface produce larger compressive plastic deformation.Meanwhile, ultrasonic impact changes former Some stress fields, produce beneficial compression.Metallic surface temperature is very fast under high energy impact events raises and fast Quickly cooling but, makes active region coating metal tissue change, and impact site is strengthened.
In addition, often having the defects such as slag at the near surface of toe of weld position, it is easily caused fatigue crack and germinates in advance. Ultrasonic implement treatment toe of weld position after soldering, is allowed to seamlessly transit, so as to reduce the stress collection that reinforcement is caused In, eliminate the defect on toe of weld surface.Meanwhile, welding toe is produced larger compressive plastic deformation, so that The compressive residual stress of certain numerical value is produced, Residual stresses are adjusted.And obtain toe of weld part material To strengthen and harden.
It can be seen that, the present invention can improve the anti-fatigue performance of welding point and structure with many-side.
Analysis understands that compared with prior art, the advantages of the present invention are:
First, the bag cage shoe axle that the present invention is provided in line prosthetic device and in line restorative procedure to soldering after Gudgeon, compression is changed into using ultrasonic impact by welded tension, can effectively control gudgeon to repair The generation of crackle after multiple, extends the service life of steel construction container, and reduces cost is raised labour efficiency, It is significant to repairing re-manufacturing technology development, in can be widely applied to the reparation of metallurgical equipment, Practical value is high.
2nd, the set of frequency of ultrasonic implement treatment of the present invention, can be to carrying out at the welding filling of gudgeon 2 Effective ultrasonication, ultrasonic impact changes original stress field, produces beneficial compression.High energy Metallic surface temperature is very fast under stroke raises again rapid cooling, becomes active region coating metal tissue Change, impact site is strengthened.
3rd, the present invention also butt welding toe position carries out ultrasonic implement treatment, further enhances bag cage shoe axle Stress.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or essential feature Embodiment realize.Therefore, embodiment disclosed above, for each side, all simply lifts Example explanation, is not only.It is all within the scope of the present invention or to be equal in the scope of the present invention Change is included in the invention.

Claims (6)

1. a kind of online prosthetic device of bag cage shoe axle, it is characterised in that including:
Welder, for carrying out soldering filling to the damaged gudgeon;With
Ultrasonic impact device, for carrying out ultrasonication at the welding filling to the damaged gudgeon.
2. the online prosthetic device of bag cage shoe axle according to claim 1, it is characterised in that described Ultrasonic impact device includes:
Ultrasonic impact gun, for carrying out ultrasonication at the welding filling to the damaged gudgeon;With
Control cabinet, is connected with the ultrasonic impact gun by cable.
3. the online prosthetic device of bag cage shoe axle according to claim 1 and 2, it is characterised in that:
The frequency of the ultrasonic implement treatment of the ultrasonic impact device is more than 20,000 times per second.
4. a kind of online restorative procedure of bag cage shoe axle, it is characterised in that comprise the following steps:
Step one, the method using welding, the scaling loss and micro-crack occurred to the gudgeon carry out soldering and fill out Fill;
Step 2, to carrying out ultrasonic implement treatment at soldering filling, eliminate the weldering that the gudgeon inside is present Scoop out power.
5. the online restorative procedure of bag cage shoe axle according to claim 4, it is characterised in that:
The frequency of the ultrasonic implement treatment is more than 20,000 times per second.
6. the online restorative procedure of bag cage shoe axle according to claim 4, it is characterised in that:
When carrying out the ultrasonic implement treatment, also ultrasonic implement treatment is carried out including butt welding toe position.
CN201511019302.4A 2015-12-29 2015-12-29 The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle Pending CN106925939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511019302.4A CN106925939A (en) 2015-12-29 2015-12-29 The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511019302.4A CN106925939A (en) 2015-12-29 2015-12-29 The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle

Publications (1)

Publication Number Publication Date
CN106925939A true CN106925939A (en) 2017-07-07

Family

ID=59442284

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511019302.4A Pending CN106925939A (en) 2015-12-29 2015-12-29 The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle

Country Status (1)

Country Link
CN (1) CN106925939A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101152689A (en) * 2006-09-28 2008-04-02 上海宝冶工程技术公司 Renovation technology for ladle
CN101890610A (en) * 2010-08-09 2010-11-24 中信重工机械股份有限公司 Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill
CN102002581A (en) * 2010-12-17 2011-04-06 南车长江车辆有限公司 Method for eliminating residual stress in welding by ultrasonic peening and use thereof
CN102152058A (en) * 2011-05-11 2011-08-17 天津冶金集团重型机械制造有限公司 Surfacing repair method for large cold-rolled supporting roll
CN102267012A (en) * 2010-06-01 2011-12-07 鞍钢重型机械有限责任公司 On-line repairing method for fractured upper beam for hydraulic press casting and structure reinforcing device
CN102430889A (en) * 2011-09-09 2012-05-02 沈阳黎明航空发动机(集团)有限责任公司 Method for repairing crack and chipping of shunt ring of case
CN102756235A (en) * 2012-07-23 2012-10-31 苏州热工研究院有限公司 Field welding repair method especially for larger and penetrating defects in steel casting with heavy wall thickness
CN103231201A (en) * 2013-04-24 2013-08-07 彭兴礼 Method for repairing abrasion of drive housing seal position of shield machine
CN104726687A (en) * 2014-10-15 2015-06-24 哈尔滨工业大学(威海) Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening
CN104924018A (en) * 2015-07-06 2015-09-23 山东钢铁股份有限公司 On-site repairing method for large motor rotor large section cracks
CN205380403U (en) * 2015-12-29 2016-07-13 莱芜钢铁集团有限公司 Online prosthetic devices of package cage shoe axle

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101152689A (en) * 2006-09-28 2008-04-02 上海宝冶工程技术公司 Renovation technology for ladle
CN102267012A (en) * 2010-06-01 2011-12-07 鞍钢重型机械有限责任公司 On-line repairing method for fractured upper beam for hydraulic press casting and structure reinforcing device
CN101890610A (en) * 2010-08-09 2010-11-24 中信重工机械股份有限公司 Field repairing method of welding cracks of feeding slip-ring body of large-sized slide mill
CN102002581A (en) * 2010-12-17 2011-04-06 南车长江车辆有限公司 Method for eliminating residual stress in welding by ultrasonic peening and use thereof
CN102152058A (en) * 2011-05-11 2011-08-17 天津冶金集团重型机械制造有限公司 Surfacing repair method for large cold-rolled supporting roll
CN102430889A (en) * 2011-09-09 2012-05-02 沈阳黎明航空发动机(集团)有限责任公司 Method for repairing crack and chipping of shunt ring of case
CN102756235A (en) * 2012-07-23 2012-10-31 苏州热工研究院有限公司 Field welding repair method especially for larger and penetrating defects in steel casting with heavy wall thickness
CN103231201A (en) * 2013-04-24 2013-08-07 彭兴礼 Method for repairing abrasion of drive housing seal position of shield machine
CN104726687A (en) * 2014-10-15 2015-06-24 哈尔滨工业大学(威海) Technique for reducing or eliminating welding deformation and residual stress by trailing welding ultrasonic peening
CN104924018A (en) * 2015-07-06 2015-09-23 山东钢铁股份有限公司 On-site repairing method for large motor rotor large section cracks
CN205380403U (en) * 2015-12-29 2016-07-13 莱芜钢铁集团有限公司 Online prosthetic devices of package cage shoe axle

Similar Documents

Publication Publication Date Title
CN104924018B (en) A kind of Large Rotor big cross section crackle field repairing method
CN102114597B (en) Forge welding method for manufacturing wind power main shaft
CN103481010A (en) Novel full-automatic online cold welding repairing process for roll squeezers
CN106475735B (en) The restorative procedure of mining large-sized structural parts
CN111318781A (en) Repair process for repairing, welding and reinforcing cracks of engine room chassis of wind generating set
CN109141849A (en) A method of improving boom structure fatigue life
CN105803453B (en) A kind of device and method of engine crankshaft fatigue crack laser repairing and reinforcing
CN205380403U (en) Online prosthetic devices of package cage shoe axle
CN110405375A (en) The method of double transition zone REPAIR WELDING residual crackles
CN107964573B (en) A kind of medium blast furnace furnace shell Replacement procedure
CN103406642B (en) A kind of cold-welding recovery method of flank of tooth chipping of squeezer cast iron pressure roller roller shell
CN106925939A (en) The online prosthetic device and online restorative procedure of a kind of bag cage shoe axle
CN104924017B (en) A kind of roller shell squeezing sugared machine collapses the impaired restorative procedure of tooth
CN102267012B (en) On-line repairing method for fractured upper beam for hydraulic press casting and structure reinforcing device
Maury et al. Failure assessment of a weld-cracked mining excavator boom
CN101831529B (en) Laser impacting treatment reinforcing method for crankshaft fillet
CN204602909U (en) A kind of device correcting C type steel-casting
CN106825358A (en) A kind of new V anvils and the forging method using the V anvils
CN102000922A (en) Cast iron welding technique using cold welding and bead welding
CN107433382A (en) Cobalt-based resurfacing welding material and the top restorative procedure based on the material
CN114559206A (en) Repairing method for repairing, welding and reinforcing cracks of engine room chassis of wind generating set
CN106337111B (en) A kind of surface reinforcing method based on heat radiation and laser impact intensified combination
CN206232825U (en) Anode steel claw is recycled after one kind corrosion
JP2014172043A (en) Method of executing peening and weld joint executed thereby
CN103952984B (en) A kind of steel bridge fatigue crackle hammering closure techniques application process

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: 20170707

RJ01 Rejection of invention patent application after publication