CN102166703A - Single hydraulic prop head valve hole repairing process - Google Patents
Single hydraulic prop head valve hole repairing process Download PDFInfo
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- CN102166703A CN102166703A CN 201110132237 CN201110132237A CN102166703A CN 102166703 A CN102166703 A CN 102166703A CN 201110132237 CN201110132237 CN 201110132237 CN 201110132237 A CN201110132237 A CN 201110132237A CN 102166703 A CN102166703 A CN 102166703A
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- valve opening
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Abstract
The invention discloses a single hydraulic prop head valve hole repairing process, comprising the process steps of carrying out lathe groove, repair soldering and turning in sequence; turning a ring-shaped groove in the middle of the ring-shaped surface of the single hydraulic prop head valve hole; repair soldering and filling the ring-shaped groove by adopting solder wires; turning the repair soldering position to be with the size adapting to a three-purpose valve, so as to lead the repairing work on multiple corrosion parts on the single hydraulic prop head valve hole to be finished at one time, thus greatly saving the repairing time, improving the repairing efficiency, and avoiding the problem of cockamamie operation caused by the repeat soldering and repairing operations; and meanwhile, by the unitary repairing on the multiple spot-shaped corrosion parts on the ring-shaped seal surface of the single hydraulic prop head valve hole, the assembling precision between the repaired workpieces can be effectively improved, and the localized wear in the follow-up use process caused by unsynchronized repairing is avoided, thus effectively improving the repairing effect.
Description
Technical field
The present invention relates to mine equipment maintenance of equipment technical field, particularly a kind of single hydraulic prop cap valve opening renovation technique.
Background technology
In the mine equipment field, mine individual hydraulic prop is one of requisite support apparatus in the mining.
When the pillar operation, must on the column cap valve opening of pillar, triple-use valve be installed, and must keep sealing between this triple-use valve and the column cap valve opening, can guarantee the smooth implementation of operations such as follow-up fluid injection, support and unloading.
In the course of work, the column cap valve opening of pillar is exposed to the down-hole humidity as sealing surface and has in the acid gaseous environment, along with the continuous increase of pillar in the service time of down-hole, corrosion and pit can appear on the annular sealing surface of column cap valve opening, and cause its sealing surface coarse, and then cause seal failure between column cap valve opening and the triple-use valve, the liquid of hydraulic prop inside progressively exosmoses, and pillar shrinks downwards, empty top phenomenon occurs, even pillar can take place topple over, and then cause the generation of security incident.Therefore, after corrosion appears in the column cap valve opening, need in time keep in repair or change, to guarantee the operate as normal operation of hydraulic prop, because renewal cost is bigger, and serious waste of resources, so the means that generally can take to keep in repair address the above problem.
Present column cap valve opening recovery technique adopts the direct soldering valve opening restorative procedure of turning processing then usually.Normally adopt corrosion positions such as pit on the argon arc welding soldering valve opening annular sealing surface or pit in this method implementation process, after soldering is finished with size and the roughness of soldering position turning to regulation.
Yet, owing to be soldering to be carried out at corrosion positions such as pit or pit one by one in the above-mentioned mending course, to operate comparatively loaded down with trivial detailsly by the mode of spot welding, maintenance efficiency is low; And after repairing was finished, other not repairing position still can produce corrosion, and the hydraulic prop after causing repairing is shorter service life, and repair efficiency is relatively poor.
Therefore, how to improve the remediation efficiency of single hydraulic prop cap valve opening, make its repairing effect be more preferably the important technological problems that those skilled in the art need solve at present.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of individual prop column cap valve opening renovation technique, its remediation efficiency is higher, and repairing effect is better.
For solving the problems of the technologies described above, the invention provides a kind of single hydraulic prop cap valve opening renovation technique, comprise step:
Recessing, turning placed in the middle goes out annular ditch groove on the annular sealing surface of described single hydraulic prop cap valve opening;
Soldering adopts welding wire that described annular ditch groove soldering is filled up;
Turning, with the turning of soldering position to the suitable size of triple-use valve.
Preferably, the welding wire that adopted of described step soldering is specially stainless steel welding stick.
Preferably, described step soldering specifically adopts carbon-dioxide arc welding that described stainless steel welding stick soldering is filled up to described annular ditch groove.
Preferably, the weld seam after described step soldering is finished protrudes from described annular ditch groove.
Preferably, the weld seam after described step soldering is finished specifically protrudes from 1～2 millimeter of described annular ditch groove.
Preferably, described step recessing be specially turning placed in the middle on the correspondence position of the annular sealing surface of column cap valve opening is gone out wide 8 millimeters, dark 1 millimeter annular ditch groove.
Preferably, also comprise step after the described step turning:
Roll extrusion, with finish after the turning the roll extrusion of soldering position to suitable size and the roughness of triple-use valve.
Relative above-mentioned background technology, single hydraulic prop cap valve opening renovation technique provided by the present invention, by the recessing that carries out successively, soldering and turning process step, turning placed in the middle goes out annular ditch groove on the annular sealing surface of described single hydraulic prop cap valve opening, adopting welding wire that described annular ditch groove is carried out soldering then fills up, afterwards with the turning of soldering position to the suitable size of triple-use valve, make the repair at corrosion position, many places on the described single hydraulic prop cap valve opening can disposablely be finished, saved repair time greatly, improve remediation efficiency, avoided the problem of the complex operation that causes because of the spot welding repair operation that repeats.Simultaneously, assembly precision between the workpiece after reparation can effectively improve reparation is unified at pittingpiston position, many places on the annular sealing surface of described single hydraulic prop cap valve opening, avoid because of repairing the concentrated wear in the asynchronous follow-up use that causes, thereby effectively improved repairing effect.
In another preferred version of the present invention, the welding wire that described step soldering is adopted is specially stainless steel welding stick.Because stainless steel material is wear-resistant more corrosion-resistant, can effectively prolong the service life of repairing the workpiece after finishing so adopt stainless steel welding stick to carry out the soldering operation, make that the repairing effect of whole single hydraulic prop cap valve opening renovation technique is better.
Description of drawings
The flow chart of the single hydraulic prop cap valve opening renovation technique that Fig. 1 provides for the embodiment of the invention one;
The flow chart of the single hydraulic prop cap valve opening renovation technique that Fig. 2 provides for the embodiment of the invention two;
The soldering structure cutaway view of the single hydraulic prop cap valve opening renovation technique that provided in the embodiment of the invention is provided Fig. 3.
The specific embodiment
Core of the present invention provides a kind of single hydraulic prop cap valve opening renovation technique, and its remediation efficiency is higher, and repairing effect is better.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, the flow chart of the single hydraulic prop cap valve opening renovation technique that Fig. 1 provides for the embodiment of the invention one.
The single hydraulic prop cap valve opening renovation technique that the embodiment of the invention one provides comprises:
Step 101: recessing;
Turning placed in the middle goes out annular ditch groove 31 on the annular sealing surface of described single hydraulic prop cap valve opening.Particularly, adopt special fixture that single hydraulic prop cap is fixed, with lathe tool turning placed in the middle on the correspondence position of the annular sealing surface of column cap valve opening is gone out wide 8 millimeters, dark 1 millimeter annular ditch groove.Because the corrosion degree difference at each the corrosion position that occurs in the use reaches best for guaranteeing repairing effect, above-mentioned correspondence position is generally on 42 millimeters of diameters on the annular sealing surface of described column cap valve opening, the wide 14 millimeters size positions.
Please refer to Fig. 3, the soldering structural representation of the single hydraulic prop cap valve opening renovation technique that provided in the embodiment of the invention is provided Fig. 3.
Step 102: soldering;
Adopt welding wire that above-mentioned annular ditch groove 31 soldering are filled up.Particularly, the welding wire that is adopted in this welding repair process is a stainless steel welding stick.Because stainless steel material is wear-resistant more corrosion-resistant, can effectively prolong the service life of repairing the workpiece after finishing so adopt stainless steel welding stick to carry out the soldering operation, make that the repairing effect of whole single hydraulic prop cap valve opening renovation technique is better.
More specifically, above-mentioned welding repair process specifically adopts carbon-dioxide arc welding that the stainless steel welding stick soldering is filled up to described annular ditch groove.Carbon-dioxide arc welding can be realized the soldering operation by welding automatically, thereby has further improved the remediation efficiency of whole process flow.
Further, the weld seam 32 after above-mentioned welding repair process is finished protrudes from annular ditch groove.Thereby it is perfect to the further processing of repairing the position to help subsequent handling.In actual mechanical process, reach optimum in order to make repairing effect, generally make above-mentioned weld seam protrude from 1～2 millimeter of annular ditch groove.
Step 103: turning;
With the turning of soldering position to the suitable size of triple-use valve, to satisfy the integral body assembling needs of described hydraulic prop.
Please refer to Fig. 2, the flow chart of the single hydraulic prop cap valve opening renovation technique that Fig. 2 provides for the embodiment of the invention two.
The single hydraulic prop cap valve opening renovation technique that the embodiment of the invention two provides comprises:
Step 201: recessing;
Turning placed in the middle goes out annular ditch groove 31 on the annular sealing surface of described single hydraulic prop cap valve opening.Particularly, adopt special fixture that single hydraulic prop cap is fixed, with lathe tool turning placed in the middle on the correspondence position of the annular sealing surface of column cap valve opening is gone out wide 8 millimeters, dark 1 millimeter annular ditch groove.Because the corrosion degree difference at each the corrosion position that occurs in the use reaches best for guaranteeing repairing effect, above-mentioned correspondence position is generally on 42 millimeters of diameters on the annular sealing surface of described column cap valve opening, the wide 14 millimeters size positions.
Step 202: soldering;
Adopt welding wire that above-mentioned annular ditch groove soldering is filled up.Particularly, the welding wire that is adopted in this welding repair process is a stainless steel welding stick.Because stainless steel material is wear-resistant more corrosion-resistant, can effectively prolong the service life of repairing the workpiece after finishing so adopt stainless steel welding stick to carry out the soldering operation, make that the repairing effect of whole single hydraulic prop cap valve opening renovation technique is better.
More specifically, above-mentioned welding repair process specifically adopts carbon-dioxide arc welding that the stainless steel welding stick soldering is filled up to described annular ditch groove.Carbon-dioxide arc welding can be realized the soldering operation by welding automatically, thereby has further improved the remediation efficiency of whole process flow.
Further, the weld seam after above-mentioned welding repair process is finished protrudes from annular ditch groove.Thereby it is perfect to the further processing of repairing the position to help subsequent handling.In actual mechanical process, reach optimum in order to make repairing effect, generally make above-mentioned weld seam protrude from 1～2 millimeter of annular ditch groove.
Step 203: turning;
With the turning of soldering position to the suitable size of triple-use valve, to satisfy the integral body assembling needs of described hydraulic prop.
Step 204: roll extrusion;
With finish after the turning the roll extrusion of soldering position to suitable size and the roughness of triple-use valve.Particularly, can adopt milled head that the size roll extrusion of soldering position is extremely suitable with triple-use valve, to satisfy the assembling needs; The roll extrusion processing is carried out on the surface that the cover of butt welding is simultaneously put, so that its roughness satisfies the sealing needs after assembling is finished.
In summary, the single hydraulic prop cap valve opening renovation technique that provides among the present invention, by the recessing that carries out successively, soldering and turning process step, turning placed in the middle goes out annular ditch groove on the annular sealing surface of described single hydraulic prop cap valve opening, adopting welding wire that described annular ditch groove is carried out soldering then fills up, afterwards with the turning of soldering position to the suitable size of triple-use valve, make the repair at corrosion position, many places on the described single hydraulic prop cap valve opening can disposablely be finished, saved repair time greatly, improve remediation efficiency, avoided the problem of the complex operation that causes because of the spot welding repair operation that repeats.Simultaneously, assembly precision between the workpiece after reparation can effectively improve reparation is unified at pittingpiston position, many places on the annular sealing surface of described single hydraulic prop cap valve opening, avoid because of repairing the concentrated wear in the asynchronous follow-up use that causes, thereby effectively improved repairing effect.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
More than single hydraulic prop cap valve opening renovation technique provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (7)
1. a single hydraulic prop cap valve opening renovation technique is characterized in that, comprises step:
Recessing, turning placed in the middle goes out annular ditch groove on the annular sealing surface of described single hydraulic prop cap valve opening;
Soldering adopts welding wire that described annular ditch groove soldering is filled up;
Turning, with the turning of soldering position to the suitable size of triple-use valve.
2. single hydraulic prop cap valve opening renovation technique as claimed in claim 1 is characterized in that: the welding wire that described step soldering is adopted is specially stainless steel welding stick.
3. single hydraulic prop cap valve opening renovation technique as claimed in claim 2 is characterized in that: described step soldering specifically adopts carbon-dioxide arc welding that described stainless steel welding stick soldering is filled up to described annular ditch groove.
4. single hydraulic prop cap valve opening renovation technique as claimed in claim 3 is characterized in that: the weld seam after described step soldering is finished protrudes from described annular ditch groove.
5. single hydraulic prop cap valve opening renovation technique as claimed in claim 4 is characterized in that: the weld seam after described step soldering is finished specifically protrudes from 1～2 millimeter of described annular ditch groove.
6. single hydraulic prop cap valve opening renovation technique as claimed in claim 1 is characterized in that: described step recessing be specially turning placed in the middle on the correspondence position of the annular sealing surface of column cap valve opening is gone out wide 8 millimeters, dark 1 millimeter annular ditch groove.
7. as each described single hydraulic prop cap valve opening renovation technique of claim 1 to 6, it is characterized in that: also comprise step after the described step turning:
Roll extrusion, with finish after the turning the roll extrusion of soldering position to suitable size and the roughness of triple-use valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110132237 CN102166703A (en) | 2011-05-20 | 2011-05-20 | Single hydraulic prop head valve hole repairing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110132237 CN102166703A (en) | 2011-05-20 | 2011-05-20 | Single hydraulic prop head valve hole repairing process |
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| CN102166703A true CN102166703A (en) | 2011-08-31 |
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| CN 201110132237 Pending CN102166703A (en) | 2011-05-20 | 2011-05-20 | Single hydraulic prop head valve hole repairing process |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008966A (en) * | 2012-12-05 | 2013-04-03 | 中国海洋石油总公司 | Repairing method of scrapped mud pump cylinder sleeve |
| CN103521939A (en) * | 2013-10-31 | 2014-01-22 | 南通市电站阀门有限公司 | Valve sealing face repairing process method |
| CN103639643A (en) * | 2013-11-27 | 2014-03-19 | 江苏力沛电力工程技术服务有限公司 | Repair technology for valve sealing surface |
| CN105215624A (en) * | 2015-09-09 | 2016-01-06 | 成都华西堂阀门制造有限公司 | Cooling rolled-on method in Tong Gui Trace |
| CN107498273A (en) * | 2017-08-04 | 2017-12-22 | 原平市恒泰隆机械有限公司 | A kind of stainless steel welded and turning process of piston rod |
| CN110369946A (en) * | 2019-06-24 | 2019-10-25 | 王二刚 | A kind of movable post restorative procedure of hydraulic prop |
| CN110695608A (en) * | 2019-09-30 | 2020-01-17 | 阳泉煤业集团华越机械有限公司煤机装备研究院 | Hydraulic upright post guide sleeve repairing and remanufacturing method |
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| US5755030A (en) * | 1993-12-02 | 1998-05-26 | Turbine Blading Limited | Turbine blade repair |
| EP1916051A1 (en) * | 2006-10-27 | 2008-04-30 | United Technologies Corporation | Method of repairing an aperture and defect in a part with welding using an insert with top and runoff plates and backing |
| CN101404432A (en) * | 2008-11-28 | 2009-04-08 | 唐山轨道交通装备有限责任公司 | Main pole iron core screw repairing method of traction motor |
| CN101829879A (en) * | 2010-04-15 | 2010-09-15 | 张子益 | Method for restoring roll body of steel casting roll of twin-roll strip casting |
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2011
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Patent Citations (4)
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| US5755030A (en) * | 1993-12-02 | 1998-05-26 | Turbine Blading Limited | Turbine blade repair |
| EP1916051A1 (en) * | 2006-10-27 | 2008-04-30 | United Technologies Corporation | Method of repairing an aperture and defect in a part with welding using an insert with top and runoff plates and backing |
| CN101404432A (en) * | 2008-11-28 | 2009-04-08 | 唐山轨道交通装备有限责任公司 | Main pole iron core screw repairing method of traction motor |
| CN101829879A (en) * | 2010-04-15 | 2010-09-15 | 张子益 | Method for restoring roll body of steel casting roll of twin-roll strip casting |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008966A (en) * | 2012-12-05 | 2013-04-03 | 中国海洋石油总公司 | Repairing method of scrapped mud pump cylinder sleeve |
| CN103008966B (en) * | 2012-12-05 | 2015-07-01 | 中国海洋石油总公司 | Repairing method of scrapped mud pump cylinder sleeve |
| CN103521939A (en) * | 2013-10-31 | 2014-01-22 | 南通市电站阀门有限公司 | Valve sealing face repairing process method |
| CN103521939B (en) * | 2013-10-31 | 2015-10-14 | 南通市电站阀门有限公司 | A kind of valve sealing face repair process |
| CN103639643A (en) * | 2013-11-27 | 2014-03-19 | 江苏力沛电力工程技术服务有限公司 | Repair technology for valve sealing surface |
| CN103639643B (en) * | 2013-11-27 | 2016-01-20 | 江苏力沛电力工程技术服务有限公司 | Valve sealing face maintenance craft |
| CN105215624A (en) * | 2015-09-09 | 2016-01-06 | 成都华西堂阀门制造有限公司 | Cooling rolled-on method in Tong Gui Trace |
| CN107498273A (en) * | 2017-08-04 | 2017-12-22 | 原平市恒泰隆机械有限公司 | A kind of stainless steel welded and turning process of piston rod |
| CN110369946A (en) * | 2019-06-24 | 2019-10-25 | 王二刚 | A kind of movable post restorative procedure of hydraulic prop |
| CN110369946B (en) * | 2019-06-24 | 2021-04-06 | 王二刚 | Movable column repairing method for single hydraulic support column |
| CN110695608A (en) * | 2019-09-30 | 2020-01-17 | 阳泉煤业集团华越机械有限公司煤机装备研究院 | Hydraulic upright post guide sleeve repairing and remanufacturing method |
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Application publication date: 20110831 |