CN103758544A - Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode - Google Patents

Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode Download PDF

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Publication number
CN103758544A
CN103758544A CN201410029001.9A CN201410029001A CN103758544A CN 103758544 A CN103758544 A CN 103758544A CN 201410029001 A CN201410029001 A CN 201410029001A CN 103758544 A CN103758544 A CN 103758544A
Authority
CN
China
Prior art keywords
cylinder
stainless steel
steel sleeve
piston rod
hydraulic support
Prior art date
Application number
CN201410029001.9A
Other languages
Chinese (zh)
Inventor
孙义之
缪保民
Original Assignee
淮南巨万实业有限责任公司
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 淮南巨万实业有限责任公司 filed Critical 淮南巨万实业有限责任公司
Priority to CN201410029001.9A priority Critical patent/CN103758544A/en
Publication of CN103758544A publication Critical patent/CN103758544A/en

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Abstract

The invention discloses a method for additionally arranging an anti-corrosion coating on a hydraulic-support stand column in a hot installation hole shrinkage welding mode. By the adoption of the method, the outer circumferential surfaces of a cylinder block, a movable column body and a jack piston rod of the hydraulic-support stand column can be prevented from being rusted, and the normal work of a hydraulic support is guaranteed. According to the method, stainless steel sleeves are fixedly installed on the outer circumferential surfaces of the cylinder block, the movable column body and the jack piston rod, the outer circumferential surfaces of the cylinder block, the movable column body and the jack piston rod of the stand column can be prevented from being corroded by emulsified liquid containing water, the phenomenon of rust is avoided, and therefore normal work of the hydraulic support is guaranteed.

Description

Anticorrosive coat hydraulic support column method is installed in a kind of hot charging undergauge welding additional
Technical field
The present invention relates to comprehensive mechanical coal mining equipment, particularly relate to cylinder body in a kind of hydraulic support column, cylinder alive and jack piston rod outer wall and by the welding of hot charging undergauge, install the method for anticorrosive coat additional.
 
Background technology
Hydraulic support is the important component part of fully-mechanized mining equipment.In coal mining manufacturing process, in order to realize the control to top board, maintain certain working space, guarantee carrying out smoothly of the installation of workman's person and every operation, must carry out supporting to top board, the supporting performance of hydraulic support is good, intensity is high, advancing velocity is fast, safe, therefore be often used to top board to carry out supporting, hydraulic support is to using highly pressurised liquid as power, the supporting being comprised of Hydraulic Elements and hardware and the equipment of controlroof, can realize support, cut top, move the operations such as frame and moving conveyor.The active force of hydraulic support stand is hydraulic support column, and the outer cylinder body bottom of hydraulic support column is landed in the base needling of hydraulic support, and the cylinder upper port of living is connected with back timber, by the supporting realizing top board of stretching of middle cylinder body and the cylinder of living.Hydraulic support column is the critical component that top board is supported, and the material of middle cylinder body and the cylinder of living is 27SiMn, present stage external peripheral surface mainly adopt chrome-plated process to process, big for environment pollution.Outside, often there is the phenomenon that from chromium coating spot corrosion starts to form gradually large area corrosion in most of outer circumference surface long term exposure in use, causes chromium coating to come off, and resistant to rust ability affects the functional performance of hydraulic support.During one section of all after date overhaul of production and application, need re-start plating to the chromium coating coming off again.To corrosion, seriously cannot repair, can only scrap processing.
 
Summary of the invention
The object of this invention is to provide a kind of hot charging undergauge welding and installed anticorrosive coat hydraulic support column method additional, middle cylinder body by column is, the outer round surface of live cylinder and jack piston rod is fixedly mounted with stainless steel sleeve, can permanently prevent the middle cylinder body of hydraulic support column, corrosion appears in the outer round surface of live cylinder and jack piston rod, assurance hydraulic support is normally worked, and has eliminated the environment pollution that electroplating technology brings.
The technical solution used in the present invention is as follows:
Anticorrosive coat hydraulic support column method is installed in a kind of hot charging undergauge welding additional, in hydraulic support column, on cylinder body, live cylinder and jack piston rod, pass through the method for hot charging undergauge, stainless steel sleeve is wrapped in closely to middle cylinder body, lives on cylinder and jack piston rod outer circumference surface;
The first step, processes at the excircle of needs being inlayed to former chromium plating section on the middle cylinder body of bag stainless steel sleeve, cylinder alive and jack piston rod, and its external peripheral surface has the matsurface of certain roughness; Work in-process is more fastening for what guarantee to make after soldering stainless steel cover it be connected with matrix, the Watch with magnifier surface roughness requirement of should trying one's best, and while external peripheral surface leaves suitable knife mark; After stainless steel sleeve insert completes, make its naturally cooling stainless steel sleeve and cylinder body of just making hold tightly, formation is fastenedly connected;
Second step, the stainless steel sleeve that adopts internal diameter to be slightly less than middle cylinder body, cylinder alive and jack piston rod cylindrical heats, and stainless steel sleeve is produced and expand with heat and contract with cold and the certain size of swell, and then internal diameter is slightly larger than cylinder body cylindrical;
The 3rd step, by the stainless steel sleeve stationary positioned of heating, then inserts middle cylinder body in stainless steel sleeve fast;
The 4th step, after stainless steel sleeve is cooling, Cheng Houxu carries out boxing to stainless steel sleeve upper and lower port and cylinder body.
The heating that adopts electromagnetic coil firing equipment to continue stainless steel sleeve in the process of stainless steel sleeve insert.
Compared with the prior art, beneficial effect of the present invention is as follows:
The method of hot charging undergauge of the present invention fixedly mounts stainless steel sleeve on the outer circumference surface of middle cylinder body, live cylinder and jack piston rod, replaces the technique of former chromium plating, has eliminated the pollution of chromium plating to environment, compares the molten arc technology of stainless steel laser, and production efficiency is higher.When hydraulic support column is used, the outer circumference surface of stainless steel sleeve can not be corroded, thereby avoids occurring corrosion phenomena, and assurance hydraulic support is normally worked, simplify the flow process of hydraulic support overhaul, and can extend the application life of three times to five times of hydraulic support columns.
 
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is housing structure schematic diagram in hydraulic support column of the present invention;
Fig. 2 is Figure 1A portion structure for amplifying schematic diagram.
The specific embodiment
Referring to accompanying drawing, anticorrosive coat hydraulic support column method is installed in a kind of hot charging undergauge welding additional, passes through the method for hot charging undergauge in hydraulic support column on cylinder body 1, and stainless steel sleeve 2 is wrapped in closely to middle cylinder body, lives on cylinder and jack piston rod outer circumference surface;
The first step, processes at the excircle of needs being inlayed to former chromium plating section on the middle cylinder body of bag stainless steel sleeve, cylinder alive and jack piston rod, and its external peripheral surface has the matsurface of certain roughness; Work in-process is more fastening for what guarantee to make after soldering stainless steel cover it be connected with matrix, the Watch with magnifier surface roughness requirement of should trying one's best, and while external peripheral surface leaves suitable knife mark; After stainless steel sleeve insert completes, make its naturally cooling stainless steel sleeve and cylinder body of just making hold tightly, formation is fastenedly connected;
Second step, the stainless steel sleeve that adopts internal diameter to be slightly less than middle cylinder body, cylinder alive and jack piston rod cylindrical heats, and stainless steel sleeve is produced and expand with heat and contract with cold and the certain size of swell, and then internal diameter is slightly larger than cylinder body cylindrical;
The 3rd step, by the stainless steel sleeve stationary positioned of heating, then inserts middle cylinder body, cylinder alive or jack piston rod in stainless steel sleeve fast;
The 4th step, after stainless steel sleeve is cooling, Cheng Houxu carries out boxing to stainless steel sleeve upper and lower port and cylinder body, and the weld seam 3 use grinding machines after boxing are carried out to grinding so that face of weld is smooth, is of the required size.The heating that adopts electromagnetic coil firing equipment to continue stainless steel sleeve in the process of stainless steel sleeve insert.

Claims (2)

1. anticorrosive coat hydraulic support column method is installed in a hot charging undergauge welding additional, it is characterized in that: in hydraulic support column, on cylinder body, live cylinder and jack piston rod, pass through the method for hot charging undergauge, stainless steel sleeve is wrapped on middle cylinder body outer circumference surface closely;
The first step, processes at the excircle of needs being inlayed to former chromium plating section on the middle cylinder body of bag stainless steel sleeve, cylinder alive and jack piston rod, and its external peripheral surface has the matsurface of certain roughness; External peripheral surface leaves suitable knife mark simultaneously;
Second step, the stainless steel sleeve that adopts internal diameter to be slightly less than middle cylinder body cylindrical heats, and stainless steel sleeve is produced and expand with heat and contract with cold and the certain size of swell, and then internal diameter is slightly larger than cylinder body cylindrical;
The 3rd step, by the stainless steel sleeve stationary positioned of heating, then inserts middle cylinder body, cylinder alive or jack piston rod in stainless steel sleeve fast;
The 4th step, after stainless steel sleeve is cooling, Cheng Houxu carries out boxing to stainless steel sleeve upper and lower port and cylinder body.
2. anticorrosive coat hydraulic support column method is installed in a kind of hot charging undergauge welding according to claim 1 additional, it is characterized in that: the heating that adopts electromagnetic coil firing equipment to continue stainless steel sleeve in the process of stainless steel sleeve insert.
CN201410029001.9A 2014-01-22 2014-01-22 Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode CN103758544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410029001.9A CN103758544A (en) 2014-01-22 2014-01-22 Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410029001.9A CN103758544A (en) 2014-01-22 2014-01-22 Method for additionally arranging anti-corrosion coating on hydraulic-support stand column in hot installation hole shrinkage welding mode

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Publication Number Publication Date
CN103758544A true CN103758544A (en) 2014-04-30

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191151A (en) * 2014-09-01 2014-12-10 中国煤矿机械装备有限责任公司平朔维修租赁中心 Method for repairing outer wall of stand column by means of stainless steel cylinder
CN104439882A (en) * 2014-11-21 2015-03-25 北京楠奇液压设备有限公司 Method for wrapping surface of piston rod with stainless steel
CN104801921A (en) * 2015-05-12 2015-07-29 北京朗德煤矿机械设备有限公司 Method for arranging stainless steel sleeve in large-diameter cylinder block in sleeving way
CN104842117A (en) * 2015-05-12 2015-08-19 北京朗德煤矿机械设备有限公司 Method for using stainless steel sleeve to coat large-diameter cylinder body
CN106223988A (en) * 2016-07-28 2016-12-14 中国神华能源股份有限公司 The column cylinder body of hydraulic vertical prop and intensifying method thereof

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* Cited by examiner, † Cited by third party
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CN1051783A (en) * 1988-05-09 1991-05-29 英国气体公司 The method of lining installed pipework
CN1058553A (en) * 1990-05-11 1992-02-12 罗伯特·威廉·海利格尔 The manufacture method of pistons work cylinder unit and the pistons work cylinder unit of making by this method
JP2004131843A (en) * 2002-09-18 2004-04-30 Jfe Steel Kk Construction member for structure, and its production method
CN101403310A (en) * 2008-11-24 2009-04-08 山东泰山建能集团莱芜通力机械有限公司 Corrosion-resistant single-body hydraulic supporter and its processing method
CN101497240A (en) * 2009-02-24 2009-08-05 广东联塑科技实业有限公司 On-line composition method of steel-plastic composite tube
CN102168568A (en) * 2011-02-27 2011-08-31 山东能源机械集团有限公司 Novel hydraulic support upright post for surface preservative treatment and surface preservative treatment method thereof
CN102506169A (en) * 2011-11-23 2012-06-20 江苏晨光盛得液压设备有限公司 Manufacturing process of piston rod coated by stainless steel on outer surface, piston rod and hydraulic oil cylinder
CN202659253U (en) * 2012-06-26 2013-01-09 姚鸿俊 Energy conservation and environmental protection type corrosion resistance single hydraulic prop
CN102959260A (en) * 2011-06-29 2013-03-06 日本精工株式会社 Telescoping shaft and production method therefor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1051783A (en) * 1988-05-09 1991-05-29 英国气体公司 The method of lining installed pipework
CN1058553A (en) * 1990-05-11 1992-02-12 罗伯特·威廉·海利格尔 The manufacture method of pistons work cylinder unit and the pistons work cylinder unit of making by this method
JP2004131843A (en) * 2002-09-18 2004-04-30 Jfe Steel Kk Construction member for structure, and its production method
CN101403310A (en) * 2008-11-24 2009-04-08 山东泰山建能集团莱芜通力机械有限公司 Corrosion-resistant single-body hydraulic supporter and its processing method
CN101497240A (en) * 2009-02-24 2009-08-05 广东联塑科技实业有限公司 On-line composition method of steel-plastic composite tube
CN102168568A (en) * 2011-02-27 2011-08-31 山东能源机械集团有限公司 Novel hydraulic support upright post for surface preservative treatment and surface preservative treatment method thereof
CN102959260A (en) * 2011-06-29 2013-03-06 日本精工株式会社 Telescoping shaft and production method therefor
CN102506169A (en) * 2011-11-23 2012-06-20 江苏晨光盛得液压设备有限公司 Manufacturing process of piston rod coated by stainless steel on outer surface, piston rod and hydraulic oil cylinder
CN202659253U (en) * 2012-06-26 2013-01-09 姚鸿俊 Energy conservation and environmental protection type corrosion resistance single hydraulic prop

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104191151A (en) * 2014-09-01 2014-12-10 中国煤矿机械装备有限责任公司平朔维修租赁中心 Method for repairing outer wall of stand column by means of stainless steel cylinder
CN104439882A (en) * 2014-11-21 2015-03-25 北京楠奇液压设备有限公司 Method for wrapping surface of piston rod with stainless steel
CN104801921A (en) * 2015-05-12 2015-07-29 北京朗德煤矿机械设备有限公司 Method for arranging stainless steel sleeve in large-diameter cylinder block in sleeving way
CN104842117A (en) * 2015-05-12 2015-08-19 北京朗德煤矿机械设备有限公司 Method for using stainless steel sleeve to coat large-diameter cylinder body
CN106223988A (en) * 2016-07-28 2016-12-14 中国神华能源股份有限公司 The column cylinder body of hydraulic vertical prop and intensifying method thereof

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Application publication date: 20140430