CN104014977A - Method for repairing front bottom hole of longitudinal shaft of electric shovel chassis girder - Google Patents
Method for repairing front bottom hole of longitudinal shaft of electric shovel chassis girder Download PDFInfo
- Publication number
- CN104014977A CN104014977A CN201310614745.2A CN201310614745A CN104014977A CN 104014977 A CN104014977 A CN 104014977A CN 201310614745 A CN201310614745 A CN 201310614745A CN 104014977 A CN104014977 A CN 104014977A
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- China
- Prior art keywords
- longitudinal axis
- front bottom
- bottom outlet
- copper sheathing
- power shovel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a method for repairing a front bottom hole of a longitudinal shaft of an electric shovel chassis girder, and relates to the technical field of electric shovel repair. The method comprises the following steps that the longitudinal shaft and a front bottom hole copper sleeve of the electric shovel chassis girder are detached, whether a middle hole copper sleeve of the electric shovel chassis girder is abraded is detected, and if the middle hole copper sleeve of the electric shovel chassis girder is abraded, the middle hole copper sleeve is replaced; one end of the longitudinal shaft is arranged in the middle hole copper sleeve, so that the axial direction of the longitudinal shaft is consistent with that of the middle hole copper sleeve, and the other end of the longitudinal shaft extends into the front bottom hole of the electric shovel chassis girder; the longitudinal shaft is sleeved with a copper sleeve which is located between the longitudinal shaft and the front bottom hole, and the gap part between the copper sleeve and the front bottom hole is the abrasion part of the front bottom hole; metal healant is injected into the gap part, and the gap part is fully filled with the metal healant; 2 hours after solidification of the metal healant, repair is completed. Compared with the prior art, repair operation is simple, overhaul work efficiency is greatly improved, labor intensity of repair workers is lowered, and repair precision is high.
Description
Technical field
The present invention relates to power shovel maintenance technique field, especially a kind of for the renovation technique after bottom outlet wearing and tearing before the large-scale power shovel underframe Beam longitudinal axis.
Background technology
The advantages such as power shovel is one of main extractive equipment of ten-million-ton scale surface mine, and it is high that it has productivity ratio, and operating rate is high, and running cost is low, are the generally acknowledged types of current mining industry, are widely used in the industry surface mine exploitations such as domestic lime stone, colliery, iron ore.Renovation technique after the front bottom outlet wearing and tearing of the daily power shovel underframe Beam longitudinal axis has two kinds: a kind of is round according to greatest wear amount car bottom outlet position before the power shovel underframe Beam longitudinal axis wearing and tearing, then according to the equipped copper sheathing of interior hole dimension after processing; Another kind is that bottom outlet abrading section before the power shovel underframe Beam longitudinal axis is carried out to built-up welding, with grinder buffing, then is equipped with copper sheathing according to hole dimension in actual and size.There is following technical problem in above-mentioned two kinds of renovation techniques: 1, power shovel underframe Beam weighs 11.634 tons, after complete machine all will being taken apart, power shovel underframe Beam is delivered to machine shop processing endoporus, labour intensity is large, repair time needs about 60 days, and whole power shovel dismounting quantities is larger, transport is wasted time and energy back and forth; If 2 build the boring machine of the processing power shovel underframe Beam bottom outlet of 1 o'clock at the scene, the bottom outlet position of wearing and tearing is round according to the boring of greatest wear amount, can be because reasons such as on-the-spot place out-of-flatnesses, machining accuracy is greatly affected, the roughness of bottom outlet and all very poor with circularity before the power shovel underframe Beam longitudinal axis, the copper sheathing faying face of assembling is less, easily occurs the phenomenon of decentraction when the longitudinal axis is installed; 3, bottom outlet abrading section before the power shovel underframe Beam longitudinal axis is carried out to built-up welding, with grinder buffing, then be equipped with copper sheathing according to hole dimension in actual and size, the method there will be axiality and all very poor with circularity, and equipment easily goes wrong after installing and using.
Summary of the invention
The object of this invention is to provide bottom outlet restorative procedure before a kind of power shovel underframe Beam longitudinal axis, this method can solve that the labour intensity that bottom outlet reparation exists before the existing power shovel underframe Beam longitudinal axis is large, overhaul efficiency is low and repair the low problem of precision.
In order to address the above problem, the technical solution used in the present invention is: before this power shovel underframe Beam longitudinal axis, bottom outlet restorative procedure comprises the following steps:
A, the longitudinal axis of power shovel underframe Beam and front bottom outlet copper sheathing are pulled down, whether the interstitial hole copper sheathing that detects power shovel underframe Beam weares and teares, and replaces interstitial hole copper sheathing if any wearing and tearing;
B, one end of the described longitudinal axis is packed in interstitial hole copper sheathing, make the described longitudinal axis axially and described interstitial hole axial consistent, the other end of the described longitudinal axis stretches in the front bottom outlet of described power shovel underframe Beam;
D, inject metal repairing agent towards described gap portion, make described metal repairing agent fill up described gap portion;
E, solidify after 2 hours until described metal repairing agent, complete reparation.
In the technical scheme of the front bottom outlet restorative procedure of the above-mentioned power shovel underframe Beam longitudinal axis, technical scheme can also be more specifically: before packing the longitudinal axis into interstitial hole in step B, in power shovel underframe Beam, between described front bottom outlet and interstitial hole, place a spacing adjusting device, described spacing adjusting device comprises adjustment block, jack and plain cushion, described plain cushion is arranged at described jack lower end, and described adjustment block is connected in the push rod external part of described jack; Regulate the height of described adjustment block with described jack, alignd with the bottom of the bore area of described interstitial hole copper sheathing in the top of described adjustment block.
Further, described metal repairing agent adopts and can match the super metal repairing agent of new TS2111.
The above-mentioned super metal repairing agent of new TS2111 of matching is the compound two combination patching materials of polymer/metallic taking metal and alloy as aggregate.
Owing to having adopted technique scheme, the present invention compared with prior art has following beneficial effect: without whole power shovel of dismounting, only need dismounting part parts, repair simple to operate, before and after dismounting, fill up to repair and share 4 day time, greatly improved the operating efficiency of maintenance; Reduce the labour intensity of service worker, saved more than 10 ten thousand maintenance costs nearly; Accurate positioning, reparation precision is high.
Brief description of the drawings
Fig. 1 is the schematic diagram that prosthetic device that the present invention adopts is installed on power shovel underframe Beam.
Fig. 2 is the left view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Embodiment 1
Prosthetic device shown in Fig. 1 mainly comprises interstitial hole copper sheathing 2, the longitudinal axis 3, repairs copper sheathing 1 and spacing adjusting device that front bottom outlet is used, spacing adjusting device comprises that adjustment block 4, jack 5 and thickness are the plain cushion 6 of 10 millimeters, plain cushion 6 is arranged at jack 5 lower ends, and adjustment block 4 is connected in the push rod external part of jack 5.
In practical condition, the front bottom outlet copper sheathing of power shovel underframe Beam and the wearing and tearing of front bottom outlet itself are comparatively serious, and there is not wear phenomenon in the interstitial hole of power shovel underframe Beam, utilize this feature, adopt above-mentioned prosthetic device to carry out the front bottom outlet restorative procedure of the power shovel underframe Beam longitudinal axis and comprise the following steps:
A, the longitudinal axis 3 of power shovel underframe Beam and front bottom outlet copper sheathing are pulled down, whether the interstitial hole copper sheathing 2 that detects power shovel underframe Beam weares and teares, and replaces interstitial hole copper sheathing 2 if any wearing and tearing;
B, in power shovel underframe Beam, between front bottom outlet and interstitial hole, place spacing adjusting device, adjust adjustment block 4 height with the jack 5 of spacing adjusting device, make the top of the adjustment block 4 formation horizontal line that aligns with copper sheathing 2 endoporus bottom surfaces, again one end of the longitudinal axis 3 is inserted in copper sheathing 2, adjustment block 4 connects with the longitudinal axis 3, make the axis of the longitudinal axis 3 consistent with the interior axially bored line of copper sheathing 2, the other end of the longitudinal axis 3 stretches in the front bottom outlet of the power shovel underframe Beam longitudinal axis, thereby can easily find by the longitudinal axis 3 center of front bottom outlet;
C, on the longitudinal axis 3, be set with copper sheathing 1, copper sheathing 1 is placed between the longitudinal axis 3 and front bottom outlet, the gap portion 7 forming between copper sheathing 1 and front bottom outlet is the wearing part of front bottom outlet;
D, can match new TS2111 super metal healant A, B two components are put together and are in harmonious proportion rapidly, pack in applying glue cylinder after being in harmonious proportion evenly, inject metal repairing agent by applying glue cylinder towards gap portion 7, make metal repairing agent fill up gap portion 7;
E, solidify after 2 hours until metal repairing agent, complete reparation.
Embodiment 2
In the present embodiment, be 2 hours the hardening time of injecting the metal repairing agent of gap portion 7, and all the other features are identical with embodiment 1.
Claims (3)
1. a bottom outlet restorative procedure before the power shovel underframe Beam longitudinal axis, is characterized in that comprising the following steps:
A, the longitudinal axis of power shovel underframe Beam and front bottom outlet copper sheathing are pulled down, whether the interstitial hole copper sheathing that detects power shovel underframe Beam weares and teares, and replaces interstitial hole copper sheathing if any wearing and tearing;
B, one end of the described longitudinal axis is packed in interstitial hole copper sheathing, make the described longitudinal axis axially and described interstitial hole axial consistent, the other end of the described longitudinal axis stretches in the front bottom outlet of described power shovel underframe Beam;
C, on the described longitudinal axis, be set with copper sheathing, described copper sheathing is placed between the described longitudinal axis and described front bottom outlet, the gap portion forming between described copper sheathing and described front bottom outlet is the wearing part of front bottom outlet;
D, inject metal repairing agent towards described gap portion, make described metal repairing agent fill up described gap portion;
E, solidify after 2 hours until described metal repairing agent, complete reparation.
2. bottom outlet restorative procedure before the power shovel underframe Beam longitudinal axis according to claim 1, it is characterized in that: before packing the longitudinal axis into interstitial hole in step B, in power shovel underframe Beam, between described front bottom outlet and interstitial hole, place a spacing adjusting device, described spacing adjusting device comprises adjustment block, jack and plain cushion, described plain cushion is arranged at described jack lower end, and described adjustment block is connected in the push rod external part of described jack; Regulate the height of described adjustment block with described jack, alignd with the bottom of the bore area of described interstitial hole copper sheathing in the top of described adjustment block.
3. bottom outlet restorative procedure before the power shovel underframe Beam longitudinal axis according to claim 1 and 2, is characterized in that: described metal repairing agent adopts can match the super metal repairing agent of new TS2111.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614745.2A CN104014977B (en) | 2013-11-28 | 2013-11-28 | Bottom outlet restorative procedure before the power shovel underframe longitudinal axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310614745.2A CN104014977B (en) | 2013-11-28 | 2013-11-28 | Bottom outlet restorative procedure before the power shovel underframe longitudinal axis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104014977A true CN104014977A (en) | 2014-09-03 |
| CN104014977B CN104014977B (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310614745.2A Active CN104014977B (en) | 2013-11-28 | 2013-11-28 | Bottom outlet restorative procedure before the power shovel underframe longitudinal axis |
Country Status (1)
| Country | Link |
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| CN (1) | CN104014977B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834668A (en) * | 2016-05-31 | 2016-08-10 | 上海祥贸实业有限公司 | Wear and corrosion resisting repair method for draught fan |
| CN114643453A (en) * | 2020-12-17 | 2022-06-21 | 国家电投集团黄河上游水电开发有限责任公司 | Repairing method suitable for deformation of anode guide rod lifting hole |
Citations (4)
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| CN101850490A (en) * | 2010-05-31 | 2010-10-06 | 南通中远船务工程有限公司 | Rudder pintle bearing body repairing process based on metal repairing agent casting |
| JP2011088227A (en) * | 2009-10-20 | 2011-05-06 | Nippon Steel Corp | Method and apparatus for repairing bolt hole of shaft coupling |
| CN201922258U (en) * | 2010-12-20 | 2011-08-10 | 浙江赛豪实业有限公司 | Processing worktable for three-dimensional cavity of mould of car lamp |
| CN202240253U (en) * | 2011-06-03 | 2012-05-30 | 浙江精工钢结构有限公司 | Chain steel pipe butt joint device |
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2013
- 2013-11-28 CN CN201310614745.2A patent/CN104014977B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2011088227A (en) * | 2009-10-20 | 2011-05-06 | Nippon Steel Corp | Method and apparatus for repairing bolt hole of shaft coupling |
| CN101850490A (en) * | 2010-05-31 | 2010-10-06 | 南通中远船务工程有限公司 | Rudder pintle bearing body repairing process based on metal repairing agent casting |
| CN201922258U (en) * | 2010-12-20 | 2011-08-10 | 浙江赛豪实业有限公司 | Processing worktable for three-dimensional cavity of mould of car lamp |
| CN202240253U (en) * | 2011-06-03 | 2012-05-30 | 浙江精工钢结构有限公司 | Chain steel pipe butt joint device |
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| 刘进林: "电铲底架梁二顺轴基孔的堆焊修复", 《中国设备管理》 * |
| 黄小荣: "电铲履带架支撑孔的堆焊修复", 《焊接 》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834668A (en) * | 2016-05-31 | 2016-08-10 | 上海祥贸实业有限公司 | Wear and corrosion resisting repair method for draught fan |
| CN114643453A (en) * | 2020-12-17 | 2022-06-21 | 国家电投集团黄河上游水电开发有限责任公司 | Repairing method suitable for deformation of anode guide rod lifting hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104014977B (en) | 2017-01-04 |
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