CN109834439A - The method of coal excavation apparatus wear-resistant middle plate surface cladding wear-resistant material - Google Patents
The method of coal excavation apparatus wear-resistant middle plate surface cladding wear-resistant material Download PDFInfo
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- CN109834439A CN109834439A CN201910217065.4A CN201910217065A CN109834439A CN 109834439 A CN109834439 A CN 109834439A CN 201910217065 A CN201910217065 A CN 201910217065A CN 109834439 A CN109834439 A CN 109834439A
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Abstract
The invention discloses a kind of coal excavation apparatus methods of wear-resistant middle plate surface cladding wear-resistant material, in the wear-resistant middle plate surface cladding wear-resistant material to coal excavation apparatus, pre-treatment first is carried out to the plate of wear-resistant middle plate, using hydraulic press by wear-resistant middle plate to needing the back side of cladding wear-resistant material to bend；Cleaning treatment is carried out to the surface of wear-resistant middle plate, and determines the claddings conditions such as electric current, voltage, gas flow；Wear-resistant material cladding processing is carried out using CO2 shield welder；And the wear-resistant middle plate completed to cladding makes annealing treatment；Alignment processing finally is carried out to wear-resistant middle plate.It can prevent the surface of wear-resistant middle plate from cracking after cladding wear-resistant material using this cladding method, tomography and phenomena such as peel off, and the abrasion resistant effect of wear-resistant middle plate be enhanced.
Description
Technical field
The present invention relates to coal excavation apparatus technical fields, specifically, it is molten to be related to a kind of coal excavation apparatus wear-resistant middle plate surface
Cover the method for wear-resistant material.
Background technique
The middle plate in wear-resistant middle plate, such as the tongue of scraper blade elevating conveyor is often used in coal excavation apparatus.Mining scraper is reprinted
Machine reprints conveying coal for plaing a part of between working face conveyor and crossheading extensible belt conveyor, uses scraper blade elevating conveyor
It afterwards, can be that scraper blade elevating conveyor is connect with crossheading extensible belt conveyor to avoid the frequent movement of gateway belt machine tail, tongue
Critical component, crossheading extensible belt conveyor are promoted on belt conveyor by tongue, to guarantee being normally carried out for working cycles.
When flight chain is run in elevating conveyor tongue or groove, due to the working environment very severe of coal working face,
Coal cinder is also very serious to the abrasion of the middle plate or bottom plate of elevating conveyor or extent of the destruction, and the rub proofness of middle plate or bottom plate is very big
The service life of tongue is affected in degree, and then the job schedule of coal mining is had an impact.
Under normal circumstances, the wearability of the wear-resistant middle plate used now has certain limitation, in order to achieve the desired results,
It needs to reach wear-resisting demand jointly in its surface cladding another kind wear-resistant material.Cladding method used in the prior art due to
Phenomena such as plate deflection is big after heated and cooling, and plate is caused to be prone to bending, cracked after alignment, tomography, peeling,
Cause wearability limited, appearance is impacted.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of coal excavation apparatus wear-resistant middle plate surface cladding wear-resistant material
Method, can prevent the surface of wear-resistant middle plate from cracking after cladding wear-resistant material, tomography and peel off phenomena such as, and
And the abrasion resistant effect of wear-resistant middle plate is enhanced.
In order to solve the above technical problems, the technical scheme is that
The method of coal excavation apparatus wear-resistant middle plate surface cladding wear-resistant material, comprising the following steps: S10, blanking: prepare resistance to
The plate of plate in mill；S20, plate pre-treatment: the wear-resistant middle plate is bent using hydraulic press, makes its reversal deformation, i.e.,
Bend towards the back side for needing cladding wear-resistant material；S30, cleaning prepare: carrying out cleaning treatment to the surface of the wear-resistant middle plate, select
YD55 flux-cored electrode is as material used by built-up welding；Welding current is 240-260A, weldingvoltage 26-28V, gas when welding
Body flow is 20-25L；S40, cladding processing: the middle line a of the wear-resistant middle plate, one end of the wear-resistant middle plate are cladding starting
End, the other end are cladding clearing end；Using CO2 shield welder, the side A of wear-resistant middle plate middle line a described in first cladding melts
Cover sequence are as follows: since the edge portion of the wear-resistant middle plate, since the cladding starting point cladding to the cladding clearing end,
Then, cladding is to the cladding clearing end then since the cladding starting point, if so according to the cladding of identical cladding direction
Dry time, until the middle line a of the cladding to the wear-resistant middle plate；In the same fashion, wear-resistant middle plate middle line a described in cladding
Other side B；The wear-resistant middle plate cladding is completed；S50, annealing: using gas furnace, and the wear-resistant middle plate after cladding is normal
After temperature enters furnace, 100 DEG C of temperature are promoted per hour, until being promoted to 550 ± 15 DEG C, are kept the temperature 2-5 hours, then, are cooled down per hour
It 50 DEG C, comes out of the stove after being down to 300 DEG C or less, carries out natural cooling using air；S60, alignment.
Further, the degree that cladding starting point described in the S20 step is bent is greater than the cladding clearing end.
It further, is 23mm with horizontal plane distance h1 at the top of the arc of the cladding starting point, the cladding terminates
Arc top and the horizontal plane distance h2 at end are 20mm.
Further, the welding current in the S30 step is 250A；The weldingvoltage is 27V；The welding
Gas flow is 22L.
Further, when the side A to the wear-resistant middle plate carries out cladding, the B of the padded wear-resistant middle plate
Side avoids melt from trickling；When the side B to the wear-resistant middle plate carries out cladding, the A of the padded wear-resistant middle plate
Side avoids melt from trickling.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
In the wear-resistant middle plate surface cladding wear-resistant material to coal excavation apparatus, first the plate of wear-resistant middle plate is become in advance
Shape processing, using hydraulic press by wear-resistant middle plate to needing the back side of cladding wear-resistant material to bend；The surface of wear-resistant middle plate is carried out
Cleaning treatment, and determine the claddings conditions such as electric current, voltage, gas flow；Wear-resistant material is carried out using CO2 shield welder
Cladding processing；And the wear-resistant middle plate completed to cladding makes annealing treatment；Alignment processing finally is carried out to wear-resistant middle plate.Using this
Kind of cladding method can prevent the surface of wear-resistant middle plate from cracking after cladding wear-resistant material, tomography and phenomena such as peel off,
And making the abrasion resistant effect of wear-resistant middle plate enhances.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of coal excavation apparatus wear-resistant middle plate involved in the present invention；
Fig. 2 is the structural schematic diagram of the welding sequence of coal excavation apparatus wear-resistant middle plate involved in the present invention；
Fig. 3 is the structural schematic diagram of the cladding starting point of coal excavation apparatus wear-resistant middle plate involved in the present invention；
Fig. 4 is the partial enlarged view of a-quadrant in Fig. 3；
Fig. 5 is the structural schematic diagram of the cladding end of coal excavation apparatus wear-resistant middle plate involved in the present invention；
Fig. 6 is the partial enlarged view of B area in Fig. 5；
In figure: 1- wear-resistant middle plate, 11- cladding initial position, 12- cladding final position.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
A kind of method of coal excavation apparatus wear-resistant middle plate surface cladding wear-resistant material, for jointly shown to such as Fig. 1 to Fig. 6
Wear-resistant middle plate 1 surface carry out cladding wear-resistant material.It comprising steps of
S10, blanking: prepare the plate of wear-resistant middle plate 1；The preferred length of the plate of wear-resistant middle plate 1 is 1500+7mm, width
For 470+4mm；Wear-resistant middle plate 1 after the completion of cladding can be shunk, and desired size is reached after contraction.
S20, plate pre-treatment: wear-resistant middle plate 1 is bent using hydraulic press, makes its reversal deformation, that is, bends towards needs
The back side of cladding wear-resistant material.
One end of wear-resistant middle plate 1 is cladding starting point, and the other end is cladding clearing end.It is risen according to the cladding of cladding starting point
Beginning position 11 is heated different situations from the cladding final position 12 of cladding clearing end, determines its deflection, cladding originates time-varying
Shape amount is big, and deflection is small at the end of cladding, so the degree of being bent of cladding starting point is preferably greater than being pressed for cladding clearing end
Curved degree.Be preferably 23mm with horizontal plane distance h1 at the top of the arc of cladding starting point, at the top of the arc of cladding clearing end and
The distance h2 of horizontal plane is preferably 20mm.
S30, cleaning prepare: cleaning treatment is carried out to the surface of wear-resistant middle plate 1, remove 1 surface of wear-resistant middle plate oxide skin,
Sundries, grease etc..Select YD55 flux-cored electrode as material used by built-up welding；Welding current is 240-260A, weldingvoltage
For 26-28V, gas flow is 20-25L when welding.Welding current in S30 step is preferably 250A；Weldingvoltage is preferably
27V；Welding gas flow is preferably 22L.
S40, cladding processing: one end of the middle line a of wear-resistant middle plate 1, wear-resistant middle plate 1 are cladding starting point, and the other end is molten
Cover clearing end；Using CO2 shield welder, the side A of first 1 middle line a of cladding wear-resistant middle plate, cladding sequence are as follows: from wear-resisting
The edge portion of plate 1 starts, and cladding is to cladding clearing end since cladding starting point, then, then the cladding since cladding starting point
To cladding clearing end, so several times according to the cladding of identical cladding direction, until middle line a of the cladding to wear-resistant middle plate 1, i.e. A
Side is overall to be moved towards according to arrow b as shown in Figure 2, first cladding edge portion, up to cladding to middle line a；In the same fashion, it melts
Cover the other side B of 1 middle line a of wear-resistant middle plate, i.e., the side B is overall moves towards according to arrow c as shown in Figure 2, first cladding edge portion, until
Cladding is to middle line a；Until 1 cladding of wear-resistant middle plate is completed.In above-mentioned cladding process, the width welded every time preferably uses 20mm.
When the side A to wear-resistant middle plate 1 carries out cladding, the side B of plate 1, avoids melt from trickling in preferred pad high abrasion；When right
When the side B of wear-resistant middle plate 1 carries out cladding, the side A of plate 1, avoids melt from trickling in preferred pad high abrasion.
Pay attention to observing cladding deformation while cladding, can suitably finely tune welding current, gradually to improve cladding deformation.
S50, annealing: gas furnace is used, it is preferred to use 1 room temperature of wear-resistant middle plate after cladding is entered furnace by 20T gas furnace
Afterwards, 100 DEG C of temperature are promoted per hour, until being promoted to 550 ± 15 DEG C, keeps the temperature 2-5 hours, and preferably soaking time is 3 hours, so
Afterwards, cool down 50 DEG C per hour, come out of the stove after being down to 300 DEG C or less, carry out natural cooling using air.
S60, alignment.Wear-resistant middle plate 1 after annealing is subjected to alignment processing.
In the description of this specification, it is to be understood that the orientation or positional relationship of the descriptions such as " middle line " are to be based on
Orientation or positional relationship shown in the drawings, it is only for convenient for describing the present invention and simplifying description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
The above is only the citing of best mode for carrying out the invention, wherein the part that do not address in detail is that this field is general
The common knowledge of logical technical staff.Protection scope of the present invention is based on the contents of the claims, any based on skill of the invention
The equivalent transformation of art enlightenment and progress, also within protection scope of the present invention.
Claims (5)
1. the coal excavation apparatus method of wear-resistant middle plate surface cladding wear-resistant material, which comprises the following steps:
S10, blanking: prepare the plate of wear-resistant middle plate；
S20, plate pre-treatment: being bent the wear-resistant middle plate using hydraulic press, make its reversal deformation, that is, it is molten to bend towards needs
Cover the back side of wear-resistant material；
S30, cleaning prepare: carrying out cleaning treatment to the surface of the wear-resistant middle plate, select YD55 flux-cored electrode as built-up welding institute
The material of use；Welding current is 240-260A, weldingvoltage 26-28V, and gas flow is 20-25L when welding；
S40, cladding processing: one end of the middle line a of the wear-resistant middle plate, the wear-resistant middle plate are cladding starting point, and the other end is
Cladding clearing end；Using CO2 shield welder, the side A of wear-resistant middle plate middle line a described in first cladding, cladding sequence are as follows: from
The edge portion of the wear-resistant middle plate starts, and cladding is to the cladding clearing end since the cladding starting point, then, then from institute
It states cladding starting point and starts cladding to the cladding clearing end, so several times according to the cladding of identical cladding direction, until molten
It covers to the middle line a of the wear-resistant middle plate；In the same fashion, the other side B of wear-resistant middle plate middle line a described in cladding；Institute
State wear-resistant middle plate cladding completion；
S50, annealing: temperature is promoted per hour after the wear-resistant middle plate room temperature after cladding is entered furnace using gas furnace
100 DEG C, until being promoted to 550 ± 15 DEG C, 2-5 hours are kept the temperature, then, is cooled down 50 DEG C per hour, is gone out after being down to 300 DEG C or less
Furnace carries out natural cooling using air；
S60, alignment.
2. the coal excavation apparatus as described in claim 1 method of wear-resistant middle plate surface cladding wear-resistant material, which is characterized in that institute
It states the degree that cladding starting point is bent described in S20 step and is greater than the cladding clearing end.
3. the coal excavation apparatus as claimed in claim 2 method of wear-resistant middle plate surface cladding wear-resistant material, which is characterized in that institute
Stating is 23mm with horizontal plane distance h1 at the top of the arc of cladding starting point, arc top and the water of the cladding clearing end
The distance h2 of plane is 20mm.
4. the coal excavation apparatus as claimed in claim 3 method of wear-resistant middle plate surface cladding wear-resistant material, which is characterized in that institute
Stating the welding current in S30 step is 250A；The weldingvoltage is 27V；The welding gas flow is 22L.
5. the coal excavation apparatus as claimed in claim 3 method of wear-resistant middle plate surface cladding wear-resistant material, which is characterized in that when
When carrying out cladding to the side A of the wear-resistant middle plate, the side B of the padded wear-resistant middle plate avoids melt from trickling；When right
When the side B of the wear-resistant middle plate carries out cladding, the side A of the padded wear-resistant middle plate avoids melt from trickling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910217065.4A CN109834439B (en) | 2019-03-21 | 2019-03-21 | Method for cladding wear-resistant material on surface of wear-resistant middle plate for coal mining equipment |
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| CN201910217065.4A CN109834439B (en) | 2019-03-21 | 2019-03-21 | Method for cladding wear-resistant material on surface of wear-resistant middle plate for coal mining equipment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201447214U (en) * | 2009-08-02 | 2010-05-05 | 山东泰山建能机械集团有限公司 | Laser intensified abrasion-proof scrapper |
| CN102703896A (en) * | 2012-06-07 | 2012-10-03 | 安阳市飞龙冶金设备制造有限公司 | Production technology for smelting and cladding alloy reinforced wear-resisting sliding plate |
| CN103061759A (en) * | 2012-12-11 | 2013-04-24 | 山西潞安环保能源开发股份有限公司五阳煤矿 | Coal mining cutting tooth processed through microbeam plasma arc surface cladding and processing method thereof |
| US20130142965A1 (en) * | 2011-01-13 | 2013-06-06 | Gerald J. Bruck | Laser microcladding using powdered flux and metal |
| CN104911583A (en) * | 2015-05-19 | 2015-09-16 | 山东能源重装集团大族再制造有限公司 | Scraper conveyor re-manufacturing method |
| CN105256308A (en) * | 2015-10-23 | 2016-01-20 | 宁夏天地奔牛实业集团有限公司 | Method for manufacturing whole surfaces of middle plates of middle troughs of laser cladding mining cast-welding structure |
| CN105800259A (en) * | 2016-04-08 | 2016-07-27 | 过秉坤 | Melting compound process for abrasion-resistant layers of scraper plate conveyor and scraper plate conveyor with abrasion-resistant layers |
| CN108179417A (en) * | 2018-01-17 | 2018-06-19 | 河南省煤科院耐磨技术有限公司 | A kind of manufacturing method of large scale bimetal wear resistant corrosion resistance composite board |
-
2019
- 2019-03-21 CN CN201910217065.4A patent/CN109834439B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201447214U (en) * | 2009-08-02 | 2010-05-05 | 山东泰山建能机械集团有限公司 | Laser intensified abrasion-proof scrapper |
| US20130142965A1 (en) * | 2011-01-13 | 2013-06-06 | Gerald J. Bruck | Laser microcladding using powdered flux and metal |
| CN102703896A (en) * | 2012-06-07 | 2012-10-03 | 安阳市飞龙冶金设备制造有限公司 | Production technology for smelting and cladding alloy reinforced wear-resisting sliding plate |
| CN103061759A (en) * | 2012-12-11 | 2013-04-24 | 山西潞安环保能源开发股份有限公司五阳煤矿 | Coal mining cutting tooth processed through microbeam plasma arc surface cladding and processing method thereof |
| CN104911583A (en) * | 2015-05-19 | 2015-09-16 | 山东能源重装集团大族再制造有限公司 | Scraper conveyor re-manufacturing method |
| CN105256308A (en) * | 2015-10-23 | 2016-01-20 | 宁夏天地奔牛实业集团有限公司 | Method for manufacturing whole surfaces of middle plates of middle troughs of laser cladding mining cast-welding structure |
| CN105800259A (en) * | 2016-04-08 | 2016-07-27 | 过秉坤 | Melting compound process for abrasion-resistant layers of scraper plate conveyor and scraper plate conveyor with abrasion-resistant layers |
| CN108179417A (en) * | 2018-01-17 | 2018-06-19 | 河南省煤科院耐磨技术有限公司 | A kind of manufacturing method of large scale bimetal wear resistant corrosion resistance composite board |
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