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 PDFInfo
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- 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
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- stainless steel
- steel sleeve
- cylinder body
- piston rod
- hydraulic support
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 title claims abstract description 9
- 238000005260 corrosion Methods 0.000 title abstract description 7
- 239000011248 coating agent Substances 0.000 title abstract description 5
- 238000000576 coating method Methods 0.000 title abstract description 5
- 238000009434 installation Methods 0.000 title abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 41
- 239000010935 stainless steel Substances 0.000 claims abstract description 41
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 239000011651 chromium Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010304 firing Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
- Electroplating Methods And Accessories (AREA)
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
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.
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 |
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| 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 |
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| CN103758544A true CN103758544A (en) | 2014-04-30 |
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|---|---|---|---|
| CN201410029001.9A Pending 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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Cited By (6)
| 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 |
| CN108266425A (en) * | 2017-11-14 | 2018-07-10 | 徐州永佳液压设备有限公司 | A kind of bimetal structure piston rod and its processing method |
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| CN1058553A (en) * | 1990-05-11 | 1992-02-12 | 罗伯特·威廉·海利格尔 | Method for producing a piston cylinder unit and piston cylinder unit produced according to said method |
| JP2004131843A (en) * | 2002-09-18 | 2004-04-30 | Jfe Steel Kk | Structure building member and method of manufacturing the same |
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| CN102168568A (en) * | 2011-02-27 | 2011-08-31 | 山东能源机械集团有限公司 | New hydraulic support column with surface anticorrosion treatment and surface anticorrosion treatment method |
| 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 |
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2014
- 2014-01-22 CN CN201410029001.9A patent/CN103758544A/en active Pending
Patent Citations (9)
| 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 | Method for producing a piston cylinder unit and piston cylinder unit produced according to said method |
| JP2004131843A (en) * | 2002-09-18 | 2004-04-30 | Jfe Steel Kk | Structure building member and method of manufacturing the same |
| 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 hydraulic prop and processing method thereof |
| 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 | New hydraulic support column with surface anticorrosion treatment and surface anticorrosion treatment method |
| CN102959260A (en) * | 2011-06-29 | 2013-03-06 | 日本精工株式会社 | Telescoping shaft and production method therefor |
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Cited By (7)
| 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 |
| CN108266425A (en) * | 2017-11-14 | 2018-07-10 | 徐州永佳液压设备有限公司 | A kind of bimetal structure piston rod and its processing method |
| CN108266425B (en) * | 2017-11-14 | 2024-01-09 | 徐州永佳液压设备有限公司 | Double-metal-structure piston rod and processing method thereof |
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Application publication date: 20140430 |