CN105252111A - Manufacturing method for mining BTW strong-toughness middle slot - Google Patents

Manufacturing method for mining BTW strong-toughness middle slot Download PDF

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Publication number
CN105252111A
CN105252111A CN201510763946.8A CN201510763946A CN105252111A CN 105252111 A CN105252111 A CN 105252111A CN 201510763946 A CN201510763946 A CN 201510763946A CN 105252111 A CN105252111 A CN 105252111A
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CN
China
Prior art keywords
welding
ledge
middle plate
plate
weld
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CN201510763946.8A
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Chinese (zh)
Inventor
董曼淑
宋智丽
王艳丽
王凤领
吴作斌
彭春涛
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Ningxia Tiandi Benniu Industrial Group Co Ltd
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Ningxia Tiandi Benniu Industrial Group Co Ltd
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Priority to CN201510763946.8A priority Critical patent/CN105252111A/en
Publication of CN105252111A publication Critical patent/CN105252111A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
    • B23K33/004—Filling of continuous seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/235—Preliminary treatment

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention discloses a manufacturing method for a mining BTW strong-toughness middle slot. The manufacturing method comprises the following steps: assembling a middle plate with slot sides; welding the middle plate with the slot sides; assembling a bottom plate with the slot sides; welding the bottom plate and the slot sides; and removing arc striking and withdrawing blocks, wherein the arc striking and withdrawing blocks are mounted on two end heads of each of the middle plate, the left side slot side and the right side slot side; and then, adopting a welding device to weld along the arc striking and withdrawing blocks, a left side reserved welding seam or a right side reserved welding seam. According to the manufacturing method, an arc striking and withdrawing technology is applied to manufacturing of the middle slot; arc striking blocks and arc withdrawing blocks are arranged on end heads of the middle plate and the slot sides, so that an arc striking point of the welding device is dropped on the arc striking blocks and an arc withdrawing point of the welding device is dropped on the arc withdrawing blocks, and therefore, length of a welding bead during welding is lengthened; and the arc striking point and the arc withdrawing point which easily generate arc pits and cracks are guided to the outer part of an effective welding bead between the middle plate and the slot sides, so that the welding quality of the effective welding bead is improved, and therefore, integral quality of the middle slot is improved.

Description

The manufacture method of mining BTW obdurability intermediate channel
Technical field
The present invention relates to the manufacturing technology field of mining intermediate channel, particularly relate to a kind of manufacture method of mining BTW obdurability intermediate channel.
Background technology
BTW obdurability wear-resisting steel plate belongs to the high-abrasive material of domestic novel research and development, it is the obdurability wear-resisting steel plate that the bright science and technology of Tianjin Weir and Baosteel are developed jointly, after one deck hardened material on surface is worn away, the surface of newly exposing can obtain from strengthening equally, its surface strengthening coefficient is up to 2.5 times, Depth of hardening layer is less than 1mm, and case hardness can improve significantly to HRC50-65.
BTW obdurability wear-resisting steel plate is owing to belonging to abrasion resistance material, nonmagnetic, and its gas cutting, processing and welding procedure means, without can refer to object, belong to the experimental study stage at home.
Plate in intermediate channel and base plate, in the intermediate channel that batch adopts BTW obdurability wear-resisting steel plate to be applied to cast-weld construction is manufactured, are selected BTW obdurability wear-resisting steel plate to manufacture, are greatly enhanced the anti-wear performance of middle plate and base plate by applicant.
In intermediate channel manufacture process, usually by middle plate, ledge, base plate assembly welding together, adopt the manufacture method of routine techniques by middle plate, when base plate and ledge are fixed, twice welding bead is had between middle plate and ledge, arc crater or crackle is often there is in beginning place of welding bead and ending place, the fastness of welding bead is had a greatly reduced quality, bonding strength between middle plate and ledge also declines thereupon, especially at middle plate, ledge is near end, two ends, when welding, due to arcing point, receiving acnode all drops on effective welding bead of close two ends of middle plate and ledge, because there is crackle in welding bead herein, arc crater, flaw and become the weakest position of connection.
Summary of the invention
Be necessary to propose a kind of manufacture method arcing point and receipts acnode being guided to the mining BTW obdurability intermediate channel of effective welding bead outside of middle plate and ledge.
A kind of manufacture method of mining BTW obdurability intermediate channel, left side ledge, right side ledge that described mining BTW obdurability intermediate channel comprises horizontally disposed middle plate, base plate and is welded to connect with the both sides of middle plate, base plate, the manufacture method of BTW obdurability intermediate channel that this is mining comprises the following steps:
Middle plate and ledge are assembled: middle plate, left side ledge, right side ledge are hung in the assembled mold for assembling, the both sides of plate and the butt welding gap of left side ledge and right side ledge in adjustment, to make reserved left side allowance weld between middle plate and left side ledge, reserved right side allowance weld between middle plate and right side ledge, described middle plate does not contact with between left side ledge and right side ledge;
Middle plate welds with ledge: plate in assembling and ledge are hung in the welding post for welding, in two ends of middle plate and left side ledge, left side striking block is installed respectively afterwards and arc block is received in left side, in two ends of middle plate and right side ledge, right side striking block is installed respectively and arc block is received on right side, arc block is received just to left side allowance weld in described left side striking block and left side, arc block is received just to right side allowance weld in described right side striking block and right side, then adopt welder along left side striking block, left side allowance weld, arc block welding is received in left side, again along right side striking block, right side allowance weld, arc block welding is received on right side, to complete middle plate and welding between ledge, board component in formation,
Base plate and ledge are assembled: use suspender to be hung in by base plate on described middle board component, base plate are placed on the below of middle plate and parallel with middle plate, and two sides of base plate overlap with left side ledge, right side ledge respectively;
Base plate welds with ledge: adopt welder to weld with the lap weld of right side ledge the lap weld of base plate and left side ledge, base plate, to complete welding between base plate with ledge, form intermediate channel;
Removal is drawn, receive arc block: remove on left side striking block, left side receipts arc block therefrom plate, left side ledge, removes on right side striking block, right side receipts arc block therefrom plate, right side ledge.
The present invention by striking, receive arc technology first Application in the manufacture of intermediate channel, by arranging striking block in the end of middle plate, ledge and receiving arc block, the arcing point of welder is made to drop on striking block, receiving acnode drops on receipts arc block, lengthen the length of welding bead during welding, by easily produce arc crater and crackle arcing point, receive acnode and guide to the outside of the effective welding bead between middle plate and ledge, improve the welding quality of effective welding bead, and then improve the total quality of intermediate channel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the intermediate channel in the present invention after assembling.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the front view of the intermediate channel of erecting and welding device.
Fig. 4 is the rearview of the intermediate channel of erecting and welding device.
Fig. 5 is the partial enlarged drawing of Fig. 1.
Fig. 6 is the partial enlarged drawing of left side striking block.
Fig. 7 is the left view of anti-skidding dop.
In figure: arc block 303, right side ledge 40, right side allowance weld 401, right side striking block 402, right side receipts arc block 403, bevel for welding α, middle plate side groove α 1, ledge side groove α 2, butt welding gap L are received in middle plate 10, base plate 20, left side ledge 30, left side allowance weld 301, left side striking block 302, left side weldering, auxiliary groove β, auxiliary butt-joint clearance L auxiliary, welder 50, anti-skidding dop 501, magnet 502, automatic welding carriage 503.
Detailed description of the invention
See Fig. 1 to Fig. 4, left side ledge 30, right side ledge 40 that mining BTW obdurability intermediate channel in the present invention comprises horizontally disposed middle plate 10, base plate 20 and is welded to connect with the both sides of middle plate 10, base plate 20, middle plate 10 wherein and base plate 20 adopt BTW obdurability wear-resisting steel plate.
The manufacture method of mining BTW obdurability intermediate channel comprises the following steps:
First step, middle plate and ledge are assembled: middle plate 10, left side ledge 30, right side ledge 40 are hung in the assembled mold for assembling, the both sides of plate 10 and the butt welding gap L of left side ledge 30 and right side ledge 40 in adjustment weldering, to make reserved left side allowance weld 301 between middle plate 10 and left side ledge 30, reserved right side allowance weld 401 between middle plate 10 and right side ledge 40, middle plate 10 does not contact with between left side ledge 30 and right side ledge 40.
Second step, middle plate welds with ledge: plate 10 in assembling and ledge are hung in the welding post for welding, on the left of middle plate 10 and two ends of left side ledge 30 are installed respectively, arc block 303 is received in striking block 302 and left side afterwards, on the right side of middle plate 10 and two ends of right side ledge 40 are installed respectively, arc block 403 is received on striking block 402 and right side, arc block 303 is received just to left side allowance weld 301 in left side striking block 302 and left side, arc block 403 is received just to right side allowance weld 401 in right side striking block 402 and right side, then adopt welder 50 along left side striking block 302, left side allowance weld 301, left side is received arc block 303 and is welded, again along right side striking block 402, right side allowance weld 401, right side is received arc block 403 and is welded, to complete middle plate 10 and welding between ledge, board component in formation.
Third step, base plate and ledge are assembled: use suspender to hang on middle board component by base plate 20, base plate 20 are placed on the below of middle plate 10 and parallel with middle plate 10, and two sides of base plate 20 overlap with left side ledge 30, right side ledge 40 respectively.
4th step, base plate welds with ledge: adopt the lap weld of welder 50 pairs of base plates 20 and left side ledge 30, base plate 20 welds with the lap weld of right side ledge 40, to complete base plate 20 and welding between ledge, form intermediate channel;
5th step, removal is drawn, is received arc block: remove on left side striking block 302, left side receipts arc block 303 therefrom plate 10, left side ledge 30, removes on right side striking block 402, right side receipts arc block 403 therefrom plate 10, right side ledge 40.
See Fig. 5, Fig. 6, wherein, in the second step, reserved bevel for welding α, butt welding gap L between middle plate 10 and left side ledge 30, right side ledge 40 weldering, left side striking block 302, left side receive arc block 303 also reserved and bevel for welding α, butt welding gap L between middle plate 10 and left side ledge 30 welderingidentical auxiliary groove β, auxiliary butt-joint clearance L auxiliary, right side striking block 402, right side receive arc block 403 also reserved and bevel for welding α, butt welding gap L between middle plate 10 and right side ledge 40 welderingidentical auxiliary groove β, auxiliary butt-joint clearance L auxiliary, the angle of auxiliary groove β is identical with the angle of bevel for welding α, auxiliary butt-joint clearance L auxiliarywidth and butt welding gap L welderingwidth identical.
Middle plate 10 in the present invention is connected with adopting V-type welding bead between ledge, on the left of being exactly, allowance weld 301 and right side allowance weld 401 are V-type weld seam, two limits of V-type weld seam form bevel for welding α, and left side allowance weld 301 and right side allowance weld 401 are respectively by up and down to the x-weld that two V-type weld seams on top form, in the drift angle place of x-weld, plate 10 does not contact with ledge, forms butt welding gap L weldering, this gap is preferably non-vanishing, wherein, and this butt welding gap L welderingwhen being 0 ~ 2mm, the penetration of weld seam is best, and the welding bead inside finally formed does not exist gap, flaw, and the welding quality between middle plate 10 and ledge is best.In like manner, the auxiliary butt-joint clearance L of left side striking block 302, left side receipts arc block 303, right side striking block 402, right side receipts arc block 403 auxiliarybe 0 ~ 2mm, this gap is preferably non-vanishing.
By left side striking block 302, arc block 303 is received in left side, right side striking block 402, the shape of arc block 403 is received on right side, bevel angle, groove size, butt-joint clearance is all designed to consistent with the parameter between middle plate 10 and ledge, guarantee welder 50 like this is in welding process, welding bead is from striking block to left side allowance weld 301 or right side allowance weld 401, when receiving transition between arc block, welding bead is indeformable, welding bead the path of process, the plane that welding bead is walked is completely the same, the arcing point of welder 50 is made to drop on striking block, receiving acnode drops on receipts arc block, lengthen the length of welding bead during welding, to easily produce the arcing point of arc crater and crackle and receive the outside that acnode guides to the effective welding bead between middle plate 10 and ledge, improve the welding quality of effective welding bead, and then improve the total quality of intermediate channel.
Further, in the second step, before adopting welder 50 to weld left side allowance weld 301, adopt high-power remelting torch to close bevel for welding α place's preheating of left side ledge 30, preheat temperature is 100 DEG C, before adopting welder 50 to weld right side allowance weld 401, adopt high-power remelting torch to close bevel for welding α place's preheating of right side ledge 40, preheat temperature is 100 DEG C.Because middle plate 10 adopts BTW obdurability steel plate, is cold welding part, without the need to preheating, and frid is conventional foundry goods, and solderability is low, in order to improve the rear quality of connection of welding, first ledge is preheating to 100 DEG C near the position of weld seam, to facilitate welding.
In like manner, in the 4th step, adopt high-power remelting torch to carry out preheating to the lap weld place near left side ledge 30, right side ledge 40 before adopting welder 50 pairs of base plates 20 to weld with the lap weld between left side ledge 30, right side ledge 40, preheat temperature is 100 DEG C.
Wherein, in the second step, when adopting welder 50 centering plate 10 to weld with ledge, welding sequence is: the left side allowance weld 301 in first centering plate 10 front welds together, secondly the right side allowance weld 401 in centering plate 10 front welds together, then middle plate 10 is overturn 180 °, the left side allowance weld 301 at first centering plate 10 back side welds together, secondly the right side allowance weld 401 at centering plate 10 back side welds together, complete the welding of first time circulation great-jump-forward, again middle plate 10 is overturn 180 °, the left side allowance weld 301 in centering plate 10 front successively again, the right side allowance weld 401 in middle plate 10 front, the left side allowance weld 301 at middle plate 10 back side, the right side allowance weld 401 at middle plate 10 back side welds, complete the welding of second time circulation great-jump-forward, by that analogy, according to above-mentioned circulation great-jump-forward welding, until the front end face of weld seam and middle plate 10 and ledge, back side end face level, to complete last welding.The easily distortion because BTW material is heated, adopts great-jump-forward welding effectively can prevent distortion.
See Fig. 3, Fig. 4, Fig. 7, further, welder 50 comprises two anti-skidding dops 501, two magnet 502, guide rail, automatic welding carriage 503, by two anti-skidding dops 501 dismountable two ends being connected to middle plate 10 respectively, anti-skidding dop 501 such as, offer screw, by screw rod being inserted screw with fixing by tightening between anti-skidding dop 501 and middle plate 10, two magnet 502 are absorbed and fixed on two anti-skidding dop 501 upper surfaces respectively, Slidway lap is fixed between two magnet 502, automatic welding carriage 503 comprises the engaging slide unit matched with guide rail, automatic welding carriage 503 is slided by engaging slide unit and is fixed on guide rail, to slidably reciprocate between two terminations of middle plate 10 welding along guide rail to make automatic welding carriage 503, to complete centering plate 10 and welding between ledge.
When in like manner base plate 20 being welded, anti-skidding dop 501 is connected to two terminations of base plate 20, then assembles magnet 502, guide rail, automatic welding carriage 503 successively.This intermediate channel needs just can complete through multiple welding, and so, welder 50 is detachable, for convenience detach and installation.
Wherein, adopt mixed gas arc welding to connect when automatic welding carriage 503 welds, mist is the mist of the argon gas of 80% ~ 82% and the carbon dioxide of 18% ~ 20%.
Further, in a first step, middle plate 10 and left side ledge 30, right side ledge 40 are being hung in the process in the assembled mold for assembling, first fixed lacing wire between left side ledge 30 and right side ledge 40, after in the assembled mold that middle plate 10 and left side ledge 30, right side ledge 40 hang in for being assembled, remove lacing wire.Because the volume of ledge is comparatively large, heavier-weight, move past easy positioning or instability in journey hanging, lacing wire is elongate steel sheet, elongate steel sheet is overlapped and is fixed on two ledges, play relatively-stationary effect, conveniently hang and move.
The inventive method have employed docking welding method, bevel for welding α wherein, auxiliary groove β is synchronous change, such as bevel for welding α is made up of middle plate side groove α 1 and ledge side groove α 2, certainly α 1 and α 2 can change within the scope of 0 ~ 90 ° in theory, also can change within the scope of 0 ~ 45 °, and α 1 and α 2 can change separately or synchronously change, auxiliary groove β also can comprise two parts groove corresponding with middle plate side groove α 1 and ledge side groove α 2 and form, in like manner this two parts groove also can change separately or synchronously change, the change of certainly auxiliary groove β or its two parts groove be with bevel for welding α or middle plate side groove α 1 and ledge side groove α 2 be changed to prerequisite, welding method is docked with between ledge to adapt to middle plate 10.
Certainly, in order to thought of the present invention being described in conjunction with the structure of intermediate channel, the left side mentioned in literary composition, the concept on right side are relative concept, do not form and limit qualitatively.

Claims (10)

1. the manufacture method of a mining BTW obdurability intermediate channel, left side ledge, right side ledge that described mining BTW obdurability intermediate channel comprises horizontally disposed middle plate, base plate and is welded to connect with the both sides of middle plate, base plate, is characterized in that the manufacture method of described mining BTW obdurability intermediate channel comprises the following steps:
Middle plate and ledge are assembled: middle plate, left side ledge, right side ledge are hung in the assembled mold for assembling, the both sides of plate and the butt welding gap of left side ledge and right side ledge in adjustment, to make reserved left side allowance weld between middle plate and left side ledge, reserved right side allowance weld between middle plate and right side ledge, described middle plate does not contact with between left side ledge and right side ledge;
Middle plate welds with ledge: plate in assembling and ledge are hung in the welding post for welding, in two ends of middle plate and left side ledge, left side striking block is installed respectively afterwards and arc block is received in left side, in two ends of middle plate and right side ledge, right side striking block is installed respectively and arc block is received on right side, arc block is received just to left side allowance weld in described left side striking block and left side, arc block is received just to right side allowance weld in described right side striking block and right side, then adopt welder along left side striking block, left side allowance weld, arc block welding is received in left side, again along right side striking block, right side allowance weld, arc block welding is received on right side, to complete middle plate and welding between ledge, board component in formation,
Base plate and ledge are assembled: use suspender to be hung in by base plate on described middle board component, base plate are placed on the below of middle plate and parallel with middle plate, and two sides of base plate overlap with left side ledge, right side ledge respectively;
Base plate welds with ledge: adopt welder to weld with the lap weld of right side ledge the lap weld of base plate and left side ledge, base plate, to complete welding between base plate with ledge, form intermediate channel;
Removal is drawn, receive arc block: remove on left side striking block, left side receipts arc block therefrom plate, left side ledge, removes on right side striking block, right side receipts arc block therefrom plate, right side ledge.
2. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 1, it is characterized in that: in described second step, described middle plate and left side ledge, reserved bevel for welding between the ledge of right side, butt welding gap, described left side striking block, arc block also reserved and bevel for welding between middle plate and left side ledge is received in left side, the auxiliary groove that butt welding gap is identical, auxiliary butt-joint clearance, described right side striking block, arc block also reserved and bevel for welding between middle plate and right side ledge is received on right side, the auxiliary groove that butt welding gap is identical, auxiliary butt-joint clearance, the angle of described auxiliary groove is identical with the angle of bevel for welding, the width of described auxiliary butt-joint clearance is identical with the width in butt welding gap.
3. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 2, it is characterized in that: the butt welding gap between described middle plate and left side ledge, right side ledge is 0 ~ 2mm, the auxiliary butt-joint clearance that described left side striking block, left side receipts arc block, right side striking block, right side receive arc block is 0 ~ 2mm, wherein, butt welding gap, auxiliary butt-joint clearance are not all 0mm.
4. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 2, it is characterized in that: in the second step, adopt welder to before the welding of left side allowance weld, adopt high-power remelting torch to the close bevel for welding place preheating of left side ledge, preheat temperature is 100 DEG C, adopt welder to before the welding of right side allowance weld, adopt high-power remelting torch to the close bevel for welding place preheating of right side ledge, preheat temperature is 100 DEG C.
5. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 2, it is characterized in that: in the 4th step, adopt high-power remelting torch to carry out preheating to the lap weld place near left side ledge, right side ledge before adopting welder to weld with the lap weld between left side ledge, right side ledge base plate, preheat temperature is 100 DEG C.
6. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 2, it is characterized in that: in the second step, when adopting welder centering plate to weld with ledge, welding sequence is: the left side allowance weld welding in first centering plate front together, secondly the right side allowance weld welding in centering plate front together, then middle plate is overturn 180 °, the left side allowance weld welding of first centering back together, secondly the right side allowance weld welding of centering back together, complete the welding of first time circulation great-jump-forward, again middle plate is overturn 180 °, the left side allowance weld in centering plate front successively again, the right side allowance weld in middle plate front, the left side allowance weld of middle back, the right side allowance weld welding of middle back, complete the welding of second time circulation great-jump-forward, by that analogy, according to above-mentioned circulation great-jump-forward welding, until the front end face of weld seam and middle plate and ledge, back side end face level, to complete last welding.
7. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 1, it is characterized in that: described welder comprises two anti-skidding dops, two magnet, guide rail, automatic welding carriage, by two anti-skidding dops dismountable two ends being connected to described middle plate respectively, two magnet are absorbed and fixed on two anti-skidding dop upper surfaces respectively, Slidway lap is fixed between two magnet, automatic welding carriage comprises the engaging slide unit matched with described guide rail, automatic welding carriage is slided by engaging slide unit and is fixed on described guide rail, to slidably reciprocate between two terminations of middle plate welding along guide rail to make automatic welding carriage, to complete centering plate and welding between ledge.
8. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 7; it is characterized in that: adopt mixed gas arc welding to connect during described automatic welding carriage welding, described mist is the mist of the argon gas of 80% ~ 82% and the carbon dioxide of 18% ~ 20%.
9. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 1, it is characterized in that: in a first step, middle plate and left side ledge, right side ledge are being hung in the process in the assembled mold for assembling, first fixed lacing wire between left side ledge and right side ledge, after in the assembled mold that middle plate and left side ledge, right side ledge hang in for being assembled, remove lacing wire.
10. the manufacture method of mining BTW obdurability intermediate channel as claimed in claim 1, it is characterized in that: described middle plate is BTW obdurability wear-resisting steel plate, described base plate is BTW obdurability wear-resisting steel plate.
CN201510763946.8A 2015-11-11 2015-11-11 Manufacturing method for mining BTW strong-toughness middle slot Pending CN105252111A (en)

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孙建新: "刮板机中部槽焊接变形的控制", 《热加工工艺》 *
薛淑杰: "刮板输送机中部槽焊接变形的组装工艺探讨", 《科技情报开发与经济》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470906A (en) * 2017-09-15 2017-12-15 阳煤忻州通用机械有限责任公司 The middle pan of scraper conveyor production line Transmission system
CN107470906B (en) * 2017-09-15 2023-08-18 阳煤忻州通用机械有限责任公司 Scraper conveyor middle groove production line transmission system

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