CN103521988A - Water-cooling welding and locating device of 10'' piston component for railway carriage - Google Patents

Water-cooling welding and locating device of 10'' piston component for railway carriage Download PDF

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Publication number
CN103521988A
CN103521988A CN201310445947.9A CN201310445947A CN103521988A CN 103521988 A CN103521988 A CN 103521988A CN 201310445947 A CN201310445947 A CN 201310445947A CN 103521988 A CN103521988 A CN 103521988A
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China
Prior art keywords
water
piston
fixed
welding
positioning
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CN201310445947.9A
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CN103521988B (en
Inventor
赵长春
高峰
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CRRC Changchun Railway Vehicles Co Ltd
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Changchun Railway Vehicles Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/003Cooling means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/047Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention belongs to the field of clamping and water-cooling devices for welding brake cylinder piston components of railway carriages, and relates to a water-cooling welding and locating device of a 10'' piston component for a railway carriage. The device comprises a door-shaped support, a piston barrel axial lifting and locating mechanism, a piston barrel locating mechanism, a piston head locating mechanism, a water-cooling mechanism, a transmission flange, a water-cooling mechanism fixing seat, three conductive rings, an electric brush mechanism, a supporting platform, a platform support and a power mechanism. A weldment is driven by the device to carry out uniform rotation, welding personnel can achieve the welding work of a whole circumferential seam joint easily and stably without continuously changing positions around the weldment, welding efficiency and quality is improved, labor intensity is lowered, and operating safety is guaranteed. The cooling water of the device can wash the side wall of a piston head and the outer wall of a basin bottom in different directions, a large amount of heat generated in the welding process is absorbed and taken away, weldment welding deformation caused by overheating is avoided, the welding quality is guaranteed, and the rate of finished products is greatly improved.

Description

Passenger train is with 10 " the water-cooled apparatus for welding and positioning of piston component
Technical field
The invention belongs to clamping and water cooling plant field that welding railroad passenger vehicle checking cylinder piston component is used, " the water-cooled apparatus for welding and positioning of piston component that is specifically related to a kind of passenger train with 10.
Background technology
Railway high speed vehicle use 10 " checking cylinder piston component comprises piston head 13 and 14 two parts of piston cylinder; wherein; piston cylinder 14 processes for seamless steel pipe; piston head 13 is through the formed peviform structure of punching press by steel plate; the distolateral wall of basin mouth of this peviform structure is two-stage round platform; its first order round platform is upper, second level round platform under, the diameter at the bottom of two-stage round platform and basin successively decreases in turn.The lower end of piston cylinder 14 is coaxially connected by the upper surface of welding procedure and piston head 13 inside.The disposable welding of welding process requirement weldment seam adopting completes, the sweating heat distortion of the Avoids or reduces group of simultaneously also will trying one's best to workpiece.
Yet, owing to take piston head 13 and the piston cylinder 14 that sheet metal is material, all belong to thin-wall workpiece, cause the welding deformation while adopting conventional welding procedure to be almost difficult to avoid, often cannot meet tolerance.In addition, due to the seam of the two kinds of weldments circumference that is horizontal positioned, so during normal welding, operating personnel need to walk side weld around the workpiece limit of heating, causes the continuity of welding to be difficult to guarantee, has also increased labour intensity and the danger of weld job simultaneously.Above-mentioned combined factors causes 10, and " the weld job rework rate of checking cylinder piston component is high, labour intensity and dangerous large and operating efficiency is low.
Summary of the invention
In order to solve existing 10, " checking cylinder piston component belongs to thin-wall workpiece, causes while adopting normal welding technique, and two kinds of weldment welding deformations are almost difficult to avoid, and make it often cannot meet tolerance.Simultaneously, due to the seam of the two kinds of weldments circumference that is horizontal positioned, therefore during normal welding, operating personnel need to walk side weld around the workpiece limit of heating, cause the continuity of welding to be difficult to guarantee, also increased labour intensity and the danger of weld job, these factors cause that the rework rate of this weld job is high, labour intensity and the dangerous large and low technical problem of operating efficiency simultaneously, " the water-cooled apparatus for welding and positioning of piston component that the invention provides a kind of passenger train with 10.
The technical scheme that technical solution problem of the present invention is taked is as follows:
Passenger train is with 10, and " the water-cooled apparatus for welding and positioning of piston component comprises door shaped stent, the axial lift locating device of piston cylinder, piston cylinder detent mechanism, piston head detent mechanism, magnetism servo-electric motor water-cooling, drive flange, magnetism servo-electric motor water-cooling holder, three conducting rings, wiper mechanism, support platform, platform support and actuating units; The bottom of door shaped stent is fixed in support platform, and one end of the axial lift locating device of piston cylinder is fixed on the center of door shaped stent top crossbeam, and the other end is fixed on the middle beam of door shaped stent; Piston cylinder detent mechanism is fixed on the middle beam of door shaped stent, and piston head detent mechanism is fixed on drive flange; Magnetism servo-electric motor water-cooling is enclosed within the outside of piston head detent mechanism, and by magnetism servo-electric motor water-cooling holder, is fixed on the bottom of door shaped stent; Drive flange is fixed on actuating unit, and three conducting rings are fixed on the outside of drive flange; Wiper mechanism is placed in support platform, and wiper mechanism one end is connected with conducting ring, other end ground connection; Support platform is rectangular configuration, and it is fixed on platform support, and actuating unit is placed in support platform through support platform from bottom to top.
Described door shaped stent comprises two leads, two fairlead slide blocks, fairlead crossbeam, the axial lift locating device of piston cylinder and two lead holders; Two leads are fixed in support platform by a lead holder respectively, and two fairlead slide blocks are enclosed within respectively on a lead, and are slidably connected with lead; The two ends of fairlead crossbeam are connected with a fairlead slide block respectively, and the axial lift locating device of piston cylinder is fixed on the top of two leads.
The axial lift locating device of described piston cylinder comprises cylinder and suspension bracket; The cylinder body of cylinder is fixed on the middle part of the axial lift locating device of piston cylinder, and the piston rod top of cylinder is fixed on suspension bracket, and suspension bracket is fixed on fairlead crossbeam.
Described piston cylinder detent mechanism comprises piston cylinder positioning shaft sleeve, positioning shaft sleeve end cap, axle sleeve insulating barrier and bearing; Piston cylinder positioning shaft sleeve is rotationally connected by bearing and fairlead crossbeam, axle sleeve insulating barrier is fixed on the outside of piston cylinder positioning shaft sleeve and bearing, positioning shaft sleeve end cap is pressed in the top of piston cylinder positioning shaft sleeve, axle sleeve insulating barrier and bearing simultaneously, and is connected with fairlead crossbeam.
Described piston head detent mechanism comprises positioning disk under positioning disk on piston head, piston head, four screws, eight permeable holes and waterway, four briquetting screws and four piston briquettings; Positioning disk under positioning disk, piston head on piston head, waterway is one-body molded and form a bathtub construction, and on piston head, positioning disk is positioned under piston head on positioning disk, and under piston head, positioning disk is positioned on waterway; Waterway is a cylinder barrel shaped structure, and four screws are the symmetrical bottom that is opened in waterway between two; Eight permeable holes are divided into upper and lower two groups, above four permeable holes of a group be distributed on a circumference, and symmetrical being opened on the sidewall on waterway top, below four permeable holes of a group be distributed on a circumference, and symmetrical being opened on the sidewall of waterway bottom; Four briquetting screws are arranged on the same circumference of positioning disk upper surface on piston head equably; Four piston briquettings are being fixed on positioning disk by screw and briquetting screw respectively.
Described magnetism servo-electric motor water-cooling comprises water collar, water inlet pipe, outlet pipe and three water proof seal grooves; Water collar is enclosed within the outside of waterway, and be fixed on lead holder by magnetism servo-electric motor water-cooling holder, the position of organizing four permeable hole place circumference under the lower sidewall correspondence of water collar offers water inlet, and the position of organizing four permeable hole place circumference in the side wall upper part correspondence of water collar offers delivery port; Water inlet pipe is fixed on the lateral wall bottom of water collar, and communicates with water inlet; Outlet pipe is fixed on the lateral wall top of water collar, and communicates with delivery port; Three water proof seal grooves are set in parallel on the inwall of water collar, and the cavity that the lateral wall of waterway and the madial wall of water collar form is divided into disconnected upper and lower two circulation layers mutually by three water proof seal grooves.
Described drive flange comprises flange cylinder body, four connecting bolts and waterproof grommet; Waterproof grommet is fixed on the cylindrical cavity inwall on flange cylinder body top, has four bolts hole on it; The top of flange cylinder body is by four connecting bolt correspondences successively through being connected with the bottom of waterway after four bolts hole and four screws, and the outside of flange inferior part of the cylinder block and three conducting rings are connected.
Described actuating unit comprises power transmission shaft, insulating barrier, first key and the second key; Insulating barrier is fixed on the outside of power transmission shaft, and fixedlying connected to the inner side by first key, the second key and flange inferior part of the cylinder block.
Described wiper mechanism comprises three groups of herringbone making leaf springs, brush carrier, brush carrier set bolt and brush carrier holder; One end correspondence of three groups of herringbone making leaf springs is pressed on three conducting rings, and the other end is fixed on brush carrier; The lower end of brush carrier is provided with insulating barrier, and brush carrier compresses and be fixed in support platform by brush carrier holder; Brush carrier set bolt skin is insulating materials, and brush carrier holder is connected by brush carrier set bolt and support platform.
The invention has the beneficial effects as follows: passenger train of the present invention is with 10 that " the water-cooled apparatus for welding and positioning of piston component can drive the horizontal circumferential weld between weldment to do slow rotation at the uniform velocity by weldment clamping device; welding personnel can easily, steadily and surely complete the welding job to whole circumferential seam without the position that constantly changes oneself around weldment; not only improved welding efficiency and quality, also reduced labour intensity and ensured job safety simultaneously.The cooling water of this device can wash away outer wall at the bottom of the sidewall of piston head and basin from different directions, absorbs and takes away the amount of heat that welding process produces, thereby having avoided weldment because of the overheated welding deformation that occurs, and has ensured welding quality and yield rate is significantly improved.In addition, this device forms electric welding machine earthing pole loop jointly by three conducting rings, wiper mechanism and seals, is serving as the safety that has also ensured reliably equipment and operating personnel on the basis that current loop is unobstructed.
Accompanying drawing explanation
Fig. 1 is that passenger train of the present invention is with the 10 " front view of the water-cooled apparatus for welding and positioning of piston component;
Fig. 2 is the partial enlarged drawing of I part in Fig. 1;
Fig. 3 is the partial enlarged drawing of II part in Fig. 1;
Fig. 4 is the axial cutaway view of magnetism servo-electric motor water-cooling of the present invention;
Fig. 5 is the axial cutaway view of piston head detent mechanism of the present invention;
Fig. 6 is the axial cross-sectional schematic that magnetism servo-electric motor water-cooling of the present invention is connected with piston head detent mechanism;
Fig. 7 is the side view of Fig. 1;
Fig. 8 is the partial enlarged drawing of III part in Fig. 7;
Fig. 9 is the application schematic diagram while specifically applying the water-cooled apparatus for welding and positioning of piston component of the present invention;
Figure 10 is the partial enlarged drawing of IV part in Fig. 9.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figures 1 to 10, passenger train of the present invention is with 10, and " the water-cooled apparatus for welding and positioning of piston component comprises door shaped stent 1, the axial lift locating device 2 of piston cylinder, piston cylinder detent mechanism 3, piston head detent mechanism 4, magnetism servo-electric motor water-cooling 5, drive flange 6, magnetism servo-electric motor water-cooling holder 7, three conducting rings 8, wiper mechanism 9, support platform 10, platform support 11 and actuating units 12.
The bottom of door shaped stent 1 is fixed in support platform 10, and door shaped stent 1 comprises two lead 1-1, two fairlead slide block 1-2, fairlead crossbeam 1-3, piston cylinder axial lift locating device crossbeam 1-4 and two lead holder 1-5.Two lead 1-1 are fixed in support platform 10 by a lead holder 1-5 respectively, and two fairlead slide block 1-2 are enclosed within respectively a lead 1-1 above, and are slidably connected with lead 1-1.The two ends of fairlead crossbeam 1-3 are connected with a fairlead slide block 1-2 respectively, and the axial lift locating device crossbeam of piston cylinder 1-4 is fixed on the top of two lead 1-1.
One end of the axial lift locating device 2 of piston cylinder is fixed on the center of door shaped stent 1 top crossbeam, and the other end is fixed on the middle beam of door shaped stent 1.The axial lift locating device 2 of piston cylinder comprises cylinder 2-1 and suspension bracket 2-2.The cylinder body of cylinder 2-1 is fixed on the middle part of the axial lift locating device crossbeam of piston cylinder 1-4, and it is upper that the piston rod top of cylinder 2-1 is fixed on suspension bracket 2-2, and suspension bracket 2-2 is fixed on fairlead crossbeam 1-3.
Piston cylinder detent mechanism 3 is fixed on the middle beam of door shaped stent 1.Piston cylinder detent mechanism 3 comprises piston cylinder positioning shaft sleeve 3-1, positioning shaft sleeve end cap 3-2, axle sleeve insulating barrier 3-3 and bearing 3-4.Piston cylinder positioning shaft sleeve 3-1 is rotationally connected by bearing 3-4 and fairlead crossbeam 1-3, axle sleeve insulating barrier 3-3 is fixed on the outside of piston cylinder positioning shaft sleeve 3-1 and bearing 3-4, positioning shaft sleeve end cap 3-2 is pressed in the top of piston cylinder positioning shaft sleeve 3-1, axle sleeve insulating barrier 3-3 and bearing 3-4 simultaneously, and is connected with fairlead crossbeam 1-3.
Piston head detent mechanism 4 is fixed on drive flange 6, and magnetism servo-electric motor water-cooling 5 is enclosed within the outside of piston head detent mechanism 4, and by magnetism servo-electric motor water-cooling holder 7, is fixed on the bottom of door shaped stent 1.Piston head detent mechanism 4 comprises on piston head positioning disk 4-2 under positioning disk 4-1, piston head, four screw 4-3, eight permeable hole 4-4 and waterway 4-5, four briquetting screw 4-6 and four piston briquetting 4-7.On piston head, under positioning disk 4-1, piston head, positioning disk 4-2, waterway 4-5 are one-body molded and form a bathtub construction, and it is upper that on piston head, positioning disk 4-1 is positioned under piston head positioning disk 4-2, and under piston head, positioning disk 4-2 is positioned on waterway 4-5.Waterway 4-5 is a cylinder barrel shaped structure, and four screw 4-3 are the symmetrical bottom that is opened in waterway 4-5 between two.Eight permeable hole 4-4 are divided into upper and lower two groups, above four permeable hole 4-4 of a group be distributed on a circumference, and symmetrical being opened on the sidewall on waterway 4-5 top, below four permeable hole 4-4 of a group be distributed on a circumference, and symmetrical being opened on the sidewall of waterway 4-5 bottom.Four briquetting screw 4-6 are arranged on the same circumference of positioning disk 4-1 upper surface on piston head equably.Four piston briquetting 4-7 are being fixed on positioning disk 4-1 by screw and briquetting screw 4-6 respectively.
Magnetism servo-electric motor water-cooling 5 comprises water collar 5-1, water inlet pipe 5-2, outlet pipe 5-3 and three water proof seal groove 5-4.Water collar 5-1 is enclosed within the outside of waterway 4-5, and be fixed on lead holder 1-5 by magnetism servo-electric motor water-cooling holder 7, the position of organizing four permeable hole 4-4 place circumference under the lower sidewall correspondence of water collar 5-1 offers water inlet, and the position of organizing four permeable hole 4-4 place circumference in the side wall upper part correspondence of water collar 5-1 offers delivery port.Water inlet pipe 5-2 is fixed on the lateral wall bottom of water collar 5-1, and communicates with water inlet.Outlet pipe 5-3 is fixed on the lateral wall top of water collar 5-1, and communicates with delivery port.Three water proof seal groove 5-4 are set in parallel on the inwall of water collar 5-1, and the cavity that the madial wall of the lateral wall of waterway 4-5 and water collar 5-1 forms is divided into disconnected upper and lower two circulation layers mutually by three water proof seal groove 5-4.
Drive flange 6 is fixed on actuating unit 12, and three conducting rings 8 are fixed on the outside of drive flange 6.Drive flange 6 comprises flange cylinder body 6-1, four connecting bolt 6-2 and waterproof grommet 6-3.Waterproof grommet 6-3 is fixed on the cylindrical cavity inwall on flange cylinder body 6-1 top, has four bolts hole on it.The top of flange cylinder body 6-1 is by four connecting bolt 6-2 correspondences successively through being connected with the bottom of waterway 4-5 after four bolts hole and four screw 4-3, and the outside of flange cylinder body 6-1 bottom and three conducting rings 8 are connected.
Actuating unit 12 comprises power transmission shaft 12-1, insulating barrier 12-2, first key 12-3 and the second key 12-4 of motor, reduction box, vertically placement.Insulating barrier 12-2 is fixed on the outside of power transmission shaft 12-1, and fixedlying connected to the inner side by first key 12-3, the second key 12-4 and flange cylinder body 6-1 bottom.
Wiper mechanism 9 is placed in support platform 10, and it comprises three groups of herringbone making leaf spring 9-1, brush carrier 9-2, brush carrier set bolt 9-3 and brush carrier holder 9-4.One end correspondence of three groups of herringbone making leaf spring 9-1 is pressed on three conducting rings 8, and the other end is fixed on brush carrier 9-2.The lower end of brush carrier 9-2 is provided with insulating barrier, and brush carrier 9-2 compresses and is fixed in support platform 10 by brush carrier holder 9-4.Brush carrier holder 9-4 is connected by brush carrier set bolt 9-3 and support platform 10.Therefore the skin of brush carrier set bolt 9-3 is insulating materials, brush carrier 9-2 and conducting ring support 9-4 can be insulated and support platform 10 all insulate.Support platform 10 is rectangular configuration, and it is fixed on platform support 11, and the motor of actuating unit 12 and reduction box are positioned at support platform 10 belows, and the power transmission shaft 12-1 vertically placing passes support platform 10 from bottom to top by through hole.The axial lift locating device 2 of piston cylinder, piston cylinder detent mechanism 3, piston head detent mechanism 4, magnetism servo-electric motor water-cooling 5, drive flange 6 and three conducting rings 8 are all coaxially placed with power transmission shaft 12-1.
Concrete application passenger train of the present invention is with 10 " during the water-cooled apparatus for welding and positioning of piston component; first the basin mouth end of piston head 13 is upwards vertically embedded in piston head detent mechanism 4; and the first order round platform outer wall of piston head 13 is stuck under piston head on positioning disk 4-2; then;, and by four bolts, a piston briquetting 15 and a pressure pad screw 4-6 are fixed respectively the upper surface circumference compression of positioning disk 4-1 on the basin opening's edge piston head of piston head 13 with four piston briquettings 15.Now, piston head 13 is fixed in piston head detent mechanism 4, and the basin bottom part of piston head 13 divides in waterway 4-5 inside and in vacant state.
First, on the outer wall circumference of piston cylinder 14 one end, process a locating ring, then piston cylinder 14 band locating ring one end are placed in piston head 13 inner grooves.Open the source of the gas of cylinder 2-1, make the axial lift locating device 2 of piston cylinder drive piston cylinder detent mechanism 3 to move down along lead 1-1, the other end of piston cylinder 14 is inserted in piston cylinder positioning shaft sleeve 3-1, by piston cylinder 14 radial locations, utilize piston cylinder 14 deadweights simultaneously, piston cylinder 14 is placed on piston head 13.When cylinder 2-1 is stretched to the limit, piston cylinder detent mechanism 3 stops moving down, and now, between the top of piston cylinder 14 and the lower surface of positioning shaft sleeve end cap 3-2, leaves gap, insulated from each other.
The negative pole of electric welding machine is clipped in to metal electric brush holder 9-2 upper, opens electric welding machine, three solder joints of circumferential seam first-class interval spot welding with welding gun at piston head 13 and piston cylinder 14, by it, the two is coaxially fixing.
After the clamping position work of weldment completes, can start the motor of actuating unit 12, piston head detent mechanism 4, start at the uniform velocity to rotate lentamente by given speed with the power transmission shaft 12-1 vertically placing, the flange cylinder body 6-1 lower end inwall of drive flange 6 rotates with power transmission shaft 12-1 under the acting in conjunction of first key 12-3 and the second key 12-4.Flange cylinder body 6-1 turning moment is passed to waterway 4-5 by four connecting bolt 6-2 of its upper end, makes piston head detent mechanism 4 with its rotation.And then piston head detent mechanism 4 drives piston head 13, piston cylinder 14, piston cylinder positioning shaft sleeve 3-1 and bearing 3-4 together to rotate in turn.
Respectively water inlet pipe 5-2 is connected with cooling recirculation system with outlet pipe 5-3, and opens cooling water recirculation system.First cooling water flows into the lateral wall of waterway 4-5 and madial wall and three the formed lower circulation layers of water proof seal groove 5-4 of water collar 5-1 by water inlet pipe 5-2, lower group of four the permeable hole 4-4 that passes through again the lower sidewall of water collar 5-1 flows into waterway 4-5, when Coolant-Level reaches upper group of four permeable hole 4-4 of side wall upper part of water collar 5-1, cooling water starts to flow out into upper circulation layer from four permeable hole 4-4 of upper group, until cooling water is full of after waterway 4-5 completely, continuation increase along with hydraulic pressure, cooling water just starts to flow out in a large number from four permeable hole 4-4 of upper group and upper circulation layer, and get back in cooling recirculation system by outlet pipe 5-3.
After cooling water recirculation system steady operation, weld job personnel can, since a spot welding point, start continuous weld job with welding gun on the position, same point of contact of the circumferential seam of piston head 13 and piston cylinder 14.Be accompanied by rotatablely moving of piston head 13 and piston cylinder 14 weld seams, welding personnel can easily, steadily and surely complete the welding job to whole circumferential seam without the position that changes oneself, not only improved welding efficiency and quality, also reduced labour intensity and ensured job safety simultaneously.
In aforesaid weld job process, be accompanied by piston head detent mechanism 4 relatively rotating in magnetism servo-electric motor water-cooling 5, by eight permeable hole 4-4, constantly flow into or the cooling water that flows out waterway 4-5 can wash away outer wall at the bottom of the sidewall of piston head 13 and basin from different directions, absorb and take away the amount of heat of welding process generation, thereby avoided piston head 13 with or piston cylinder 14 there are welding deformations, ensured welding quality, the yield rate of this weld job is significantly improved.After assembly welding, the size of workpiece and distortion can meet Geometrical Tolerance Principle completely, and the yield rate of product can reach more than 98%.
In aforesaid weld job process, the electric current of electric welding machine in turn on welding gun, piston head 13, piston head positioning disk 4-1 or cooling water water body or connecting bolt 6-2, flange cylinder body 6-1, three conducting rings 8, three groups of herringbone making leaf spring 9-1, brush carrier 9-2 and electric welding machine negative pole cable get back to electric welding machine, form the closed-loop path of electric current.
Between flange cylinder body 6-1 and support platform 10, first key 12-3, the second key 12-4 and power transmission shaft 12-1 all by insulating barrier 12-2 isolated insulation.Simultaneously, positioning shaft sleeve end cap 3-2 and axle sleeve insulating barrier 3-3 also will insulate between bearing 3-4 and fairlead crossbeam 1-3, thereby the axial lift locating device 2 of the door shaped stent 1, the piston cylinder that make this water-cooled apparatus for welding and positioning, support platform 10, platform support 11 and actuating unit 12 are all not charged, have ensured job safety.
Passenger train of the present invention is with 10, and " the water-cooled apparatus for welding and positioning of piston component can drive the horizontal circumferential weld between weldment to do slow rotation at the uniform velocity by weldment clamping device; welding personnel can easily, steadily and surely complete the welding job to whole circumferential seam without the position that constantly changes oneself around weldment; not only improved welding efficiency and quality, also reduced labour intensity and ensured job safety simultaneously.The cooling water of this device can wash away outer wall at the bottom of the sidewall of piston head and basin from different directions, absorbs and takes away the amount of heat that welding process produces, thereby having avoided weldment because of the overheated welding deformation that occurs, and has ensured welding quality and yield rate is significantly improved.In addition, this device forms electric welding machine earthing pole loop jointly by three conducting rings, wiper mechanism and seals, is serving as the safety that has also ensured reliably equipment and operating personnel on the basis that current loop is unobstructed.

Claims (9)

1. passenger train is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: this device comprises door shaped stent (1), the axial lift locating device of piston cylinder (2), piston cylinder detent mechanism (3), piston head detent mechanism (4), magnetism servo-electric motor water-cooling (5), drive flange (6), magnetism servo-electric motor water-cooling holder (7), three conducting rings (8), wiper mechanism (9), support platform (10), platform support (11) and actuating unit (12); It is upper that the bottom of door shaped stent (1) is fixed on support platform (10), and one end of the axial lift locating device of piston cylinder (2) is fixed on the center of door shaped stent (1) top crossbeam, and the other end is fixed on the middle beam of door shaped stent (1); Piston cylinder detent mechanism (3) is fixed on the middle beam of door shaped stent (1), and piston head detent mechanism (4) is fixed on drive flange (6); Magnetism servo-electric motor water-cooling (5) is enclosed within the outside of piston head detent mechanism (4), and by magnetism servo-electric motor water-cooling holder (7), is fixed on the bottom of door shaped stent (1); It is upper that drive flange (6) is fixed on actuating unit (12), and three conducting rings (8) are fixed on the outside of drive flange (6); It is upper that wiper mechanism (9) is placed on support platform (10), and wiper mechanism (9) one end is connected with conducting ring (8), other end ground connection; Support platform (10) is rectangular configuration, and it is upper that it is fixed on platform support (11), and actuating unit (12) is placed in support platform (10) through support platform from bottom to top.
2. passenger train as claimed in claim 1 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described door shaped stent (1) comprises two leads (1-1), two fairlead slide blocks (1-2), fairlead crossbeam (1-3), the axial lift locating device of piston cylinder (1-4) and two lead holders (1-5); It is upper that two leads (1-1) are fixed on support platform (10) by a lead holder (1-5) respectively, and it is upper that two fairlead slide blocks (1-2) are enclosed within respectively a lead (1-1), and be slidably connected with lead (1-1); The two ends of fairlead crossbeam (1-3) are connected with a fairlead slide block (1-2) respectively, and the axial lift locating device of piston cylinder (1-4) is fixed on the top of two leads (1-1).
3. passenger train as claimed in claim 2 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: the axial lift locating device of described piston cylinder (2) comprises cylinder (2-1) and suspension bracket (2-2); The cylinder body of cylinder (2-1) is fixed on the middle part of the axial lift locating device of piston cylinder (1-4), and it is upper that the piston rod top of cylinder (2-1) is fixed on suspension bracket (2-2), and suspension bracket (2-2) is fixed on fairlead crossbeam (1-3).
4. passenger train as claimed in claim 2 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described piston cylinder detent mechanism (3) comprises piston cylinder positioning shaft sleeve (3-1), positioning shaft sleeve end cap (3-2), axle sleeve insulating barrier (3-3) and bearing (3-4); Piston cylinder positioning shaft sleeve (3-1) is rotationally connected by bearing (3-4) and fairlead crossbeam (1-3), axle sleeve insulating barrier (3-3) is fixed on the outside of piston cylinder positioning shaft sleeve (3-1) and bearing (3-4), positioning shaft sleeve end cap (3-2) is pressed in the top of piston cylinder positioning shaft sleeve (3-1), axle sleeve insulating barrier (3-3) and bearing (3-4) simultaneously, and is connected with fairlead crossbeam (1-3).
5. passenger train as claimed in claim 1 or 2 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described piston head detent mechanism (4) comprises positioning disk (4-2) under positioning disk on piston head (4-1), piston head, four screws (4-3), eight permeable holes (4-4) and waterway (4-5), four briquetting screws (4-6) and four piston briquettings (4-7); Positioning disk (4-2) under positioning disk on piston head (4-1), piston head, waterway (4-5) is one-body molded and form a bathtub construction, it is upper that positioning disk on piston head (4-1) is positioned at positioning disk under piston head (4-2), and positioning disk under piston head (4-2) is positioned on waterway (4-5); Waterway (4-5) is a cylinder barrel shaped structure, and four screws (4-3) between two symmetry are opened in the bottom of waterway (4-5); Eight permeable holes (4-4) are divided into upper and lower two groups, above four permeable holes (4-4) of a group be distributed on a circumference, and symmetry is opened on the sidewall on waterway (4-5) top, below four permeable holes (4-4) of a group be distributed on a circumference, and symmetry is opened on the sidewall of waterway (4-5) bottom; Four briquetting screws (4-6) are arranged on the same circumference of positioning disk on piston head (4-1) upper surface equably; Four piston briquettings (4-7) are being fixed on positioning disk (4-1) by screw and briquetting screw (4-6) respectively.
6. passenger train as claimed in claim 5 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described magnetism servo-electric motor water-cooling (5) comprises water collar (5-1), water inlet pipe (5-2), outlet pipe (5-3) and three water proof seal grooves (5-4); Water collar (5-1) is enclosed within the outside of waterway (4-5), and be fixed on lead holder (1-5) by magnetism servo-electric motor water-cooling holder (7), the position of organizing four permeable holes (4-4) place circumference under the lower sidewall correspondence of water collar (5-1) offers water inlet, and the position of organizing four permeable holes (4-4) place circumference in the side wall upper part correspondence of water collar (5-1) offers delivery port; Water inlet pipe (5-2) is fixed on the lateral wall bottom of water collar (5-1), and communicates with water inlet; Outlet pipe (5-3) is fixed on the lateral wall top of water collar (5-1), and communicates with delivery port; Three water proof seal grooves (5-4) are set in parallel on the inwall of water collar (5-1), and the cavity that the madial wall of the lateral wall of waterway (4-5) and water collar (5-1) forms is divided into disconnected upper and lower two circulation layers mutually by three water proof seal grooves (5-4).
7. passenger train as claimed in claim 5 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described drive flange (6) comprises flange cylinder body (6-1), four connecting bolts (6-2) and waterproof grommet (6-3); Waterproof grommet (6-3) is fixed on the cylindrical cavity inwall on flange cylinder body (6-1) top, has four bolts hole on it; The top of flange cylinder body (6-1) is connected through after four bolts hole and four screws (4-3) and the bottom of waterway (4-5) successively by four connecting bolts (6-2) correspondence, and outside and three conducting rings (8) of flange cylinder body (6-1) bottom are connected.
8. passenger train as claimed in claim 7 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described actuating unit (12) comprises power transmission shaft (12-1), insulating barrier (12-2), first key (12-3) and the second key (12-4); Insulating barrier (12-2) is fixed on the outside of power transmission shaft (12-1), and fixedly connected to the inner side with flange cylinder body (6-1) bottom by first key (12-3), the second key (12-4).
9. passenger train as claimed in claim 5 is with 10, and " the water-cooled apparatus for welding and positioning of piston component, is characterized in that: described wiper mechanism (9) comprises three groups of herringbone making leaf springs (9-1), brush carrier (9-2), brush carrier set bolt (9-3) and brush carrier holder (9-4); It is upper that one end correspondence of three groups of herringbone making leaf springs (9-1) is pressed in three conducting rings (8), and the other end is fixed on brush carrier (9-2); The lower end of brush carrier (9-2) is provided with insulating barrier, and brush carrier (9-2) compresses and is fixed in support platform (10) by brush carrier holder (9-4); Brush carrier set bolt (9-3) skin is insulating materials, and brush carrier holder (9-4) is connected by brush carrier set bolt (9-3) and support platform (10).
CN201310445947.9A 2013-09-26 2013-09-26 Water-cooling welding and locating device of 10'' piston component for railway carriage Active CN103521988B (en)

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CN106239001A (en) * 2016-08-29 2016-12-21 合肥常青机械股份有限公司 Bumper cross beam pie welding clamp
CN107199399A (en) * 2017-06-30 2017-09-26 安徽悦众车身装备有限公司 Automobile clutch pedal anti-deformation cools down laser soldering device
CN108296681A (en) * 2018-03-27 2018-07-20 斯沃博达汽车电子(昆山)有限公司 Auto parts weld cooling device
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Address after: 130052 Jilin City, Changchun city wide triumph Road, No. 2155

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Patentee before: Changchun Railway Vehicles Facilities Co., Ltd.